diff options
62 files changed, 8742 insertions, 7605 deletions
diff --git a/assets/js/codemirror/addon/comment/comment.js b/assets/js/codemirror/addon/comment/comment.js new file mode 100644 index 00000000..8394e85a --- /dev/null +++ b/assets/js/codemirror/addon/comment/comment.js @@ -0,0 +1,209 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + + var noOptions = {}; + var nonWS = /[^\s\u00a0]/; + var Pos = CodeMirror.Pos; + + function firstNonWS(str) { + var found = str.search(nonWS); + return found == -1 ? 0 : found; + } + + CodeMirror.commands.toggleComment = function(cm) { + cm.toggleComment(); + }; + + CodeMirror.defineExtension("toggleComment", function(options) { + if (!options) options = noOptions; + var cm = this; + var minLine = Infinity, ranges = this.listSelections(), mode = null; + for (var i = ranges.length - 1; i >= 0; i--) { + var from = ranges[i].from(), to = ranges[i].to(); + if (from.line >= minLine) continue; + if (to.line >= minLine) to = Pos(minLine, 0); + minLine = from.line; + if (mode == null) { + if (cm.uncomment(from, to, options)) mode = "un"; + else { cm.lineComment(from, to, options); mode = "line"; } + } else if (mode == "un") { + cm.uncomment(from, to, options); + } else { + cm.lineComment(from, to, options); + } + } + }); + + // Rough heuristic to try and detect lines that are part of multi-line string + function probablyInsideString(cm, pos, line) { + return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line, 0))) && !/^[\'\"\`]/.test(line) + } + + function getMode(cm, pos) { + var mode = cm.getMode() + return mode.useInnerComments === false || !mode.innerMode ? mode : cm.getModeAt(pos) + } + + CodeMirror.defineExtension("lineComment", function(from, to, options) { + if (!options) options = noOptions; + var self = this, mode = getMode(self, from); + var firstLine = self.getLine(from.line); + if (firstLine == null || probablyInsideString(self, from, firstLine)) return; + + var commentString = options.lineComment || mode.lineComment; + if (!commentString) { + if (options.blockCommentStart || mode.blockCommentStart) { + options.fullLines = true; + self.blockComment(from, to, options); + } + return; + } + + var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1); + var pad = options.padding == null ? " " : options.padding; + var blankLines = options.commentBlankLines || from.line == to.line; + + self.operation(function() { + if (options.indent) { + var baseString = null; + for (var i = from.line; i < end; ++i) { + var line = self.getLine(i); + var whitespace = line.slice(0, firstNonWS(line)); + if (baseString == null || baseString.length > whitespace.length) { + baseString = whitespace; + } + } + for (var i = from.line; i < end; ++i) { + var line = self.getLine(i), cut = baseString.length; + if (!blankLines && !nonWS.test(line)) continue; + if (line.slice(0, cut) != baseString) cut = firstNonWS(line); + self.replaceRange(baseString + commentString + pad, Pos(i, 0), Pos(i, cut)); + } + } else { + for (var i = from.line; i < end; ++i) { + if (blankLines || nonWS.test(self.getLine(i))) + self.replaceRange(commentString + pad, Pos(i, 0)); + } + } + }); + }); + + CodeMirror.defineExtension("blockComment", function(from, to, options) { + if (!options) options = noOptions; + var self = this, mode = getMode(self, from); + var startString = options.blockCommentStart || mode.blockCommentStart; + var endString = options.blockCommentEnd || mode.blockCommentEnd; + if (!startString || !endString) { + if ((options.lineComment || mode.lineComment) && options.fullLines != false) + self.lineComment(from, to, options); + return; + } + if (/\bcomment\b/.test(self.getTokenTypeAt(Pos(from.line, 0)))) return + + var end = Math.min(to.line, self.lastLine()); + if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end; + + var pad = options.padding == null ? " " : options.padding; + if (from.line > end) return; + + self.operation(function() { + if (options.fullLines != false) { + var lastLineHasText = nonWS.test(self.getLine(end)); + self.replaceRange(pad + endString, Pos(end)); + self.replaceRange(startString + pad, Pos(from.line, 0)); + var lead = options.blockCommentLead || mode.blockCommentLead; + if (lead != null) for (var i = from.line + 1; i <= end; ++i) + if (i != end || lastLineHasText) + self.replaceRange(lead + pad, Pos(i, 0)); + } else { + self.replaceRange(endString, to); + self.replaceRange(startString, from); + } + }); + }); + + CodeMirror.defineExtension("uncomment", function(from, to, options) { + if (!options) options = noOptions; + var self = this, mode = getMode(self, from); + var end = Math.min(to.ch != 0 || to.line == from.line ? to.line : to.line - 1, self.lastLine()), start = Math.min(from.line, end); + + // Try finding line comments + var lineString = options.lineComment || mode.lineComment, lines = []; + var pad = options.padding == null ? " " : options.padding, didSomething; + lineComment: { + if (!lineString) break lineComment; + for (var i = start; i <= end; ++i) { + var line = self.getLine(i); + var found = line.indexOf(lineString); + if (found > -1 && !/comment/.test(self.getTokenTypeAt(Pos(i, found + 1)))) found = -1; + if (found == -1 && nonWS.test(line)) break lineComment; + if (found > -1 && nonWS.test(line.slice(0, found))) break lineComment; + lines.push(line); + } + self.operation(function() { + for (var i = start; i <= end; ++i) { + var line = lines[i - start]; + var pos = line.indexOf(lineString), endPos = pos + lineString.length; + if (pos < 0) continue; + if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length; + didSomething = true; + self.replaceRange("", Pos(i, pos), Pos(i, endPos)); + } + }); + if (didSomething) return true; + } + + // Try block comments + var startString = options.blockCommentStart || mode.blockCommentStart; + var endString = options.blockCommentEnd || mode.blockCommentEnd; + if (!startString || !endString) return false; + var lead = options.blockCommentLead || mode.blockCommentLead; + var startLine = self.getLine(start), open = startLine.indexOf(startString) + if (open == -1) return false + var endLine = end == start ? startLine : self.getLine(end) + var close = endLine.indexOf(endString, end == start ? open + startString.length : 0); + var insideStart = Pos(start, open + 1), insideEnd = Pos(end, close + 1) + if (close == -1 || + !/comment/.test(self.getTokenTypeAt(insideStart)) || + !/comment/.test(self.getTokenTypeAt(insideEnd)) || + self.getRange(insideStart, insideEnd, "\n").indexOf(endString) > -1) + return false; + + // Avoid killing block comments completely outside the selection. + // Positions of the last startString before the start of the selection, and the first endString after it. + var lastStart = startLine.lastIndexOf(startString, from.ch); + var firstEnd = lastStart == -1 ? -1 : startLine.slice(0, from.ch).indexOf(endString, lastStart + startString.length); + if (lastStart != -1 && firstEnd != -1 && firstEnd + endString.length != from.ch) return false; + // Positions of the first endString after the end of the selection, and the last startString before it. + firstEnd = endLine.indexOf(endString, to.ch); + var almostLastStart = endLine.slice(to.ch).lastIndexOf(startString, firstEnd - to.ch); + lastStart = (firstEnd == -1 || almostLastStart == -1) ? -1 : to.ch + almostLastStart; + if (firstEnd != -1 && lastStart != -1 && lastStart != to.ch) return false; + + self.operation(function() { + self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.length, close) == pad ? pad.length : 0)), + Pos(end, close + endString.length)); + var openEnd = open + startString.length; + if (pad && startLine.slice(openEnd, openEnd + pad.length) == pad) openEnd += pad.length; + self.replaceRange("", Pos(start, open), Pos(start, openEnd)); + if (lead) for (var i = start + 1; i <= end; ++i) { + var line = self.getLine(i), found = line.indexOf(lead); + if (found == -1 || nonWS.test(line.slice(0, found))) continue; + var foundEnd = found + lead.length; + if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd += pad.length; + self.replaceRange("", Pos(i, found), Pos(i, foundEnd)); + } + }); + return true; + }); +}); diff --git a/assets/js/codemirror/addon/comment/continuecomment.js b/assets/js/codemirror/addon/comment/continuecomment.js new file mode 100644 index 00000000..a5f957b7 --- /dev/null +++ b/assets/js/codemirror/addon/comment/continuecomment.js @@ -0,0 +1,78 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + function continueComment(cm) { + if (cm.getOption("disableInput")) return CodeMirror.Pass; + var ranges = cm.listSelections(), mode, inserts = []; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].head + if (!/\bcomment\b/.test(cm.getTokenTypeAt(pos))) return CodeMirror.Pass; + var modeHere = cm.getModeAt(pos) + if (!mode) mode = modeHere; + else if (mode != modeHere) return CodeMirror.Pass; + + var insert = null; + if (mode.blockCommentStart && mode.blockCommentContinue) { + var line = cm.getLine(pos.line).slice(0, pos.ch) + var end = line.lastIndexOf(mode.blockCommentEnd), found + if (end != -1 && end == pos.ch - mode.blockCommentEnd.length) { + // Comment ended, don't continue it + } else if ((found = line.lastIndexOf(mode.blockCommentStart)) > -1 && found > end) { + insert = line.slice(0, found) + if (/\S/.test(insert)) { + insert = "" + for (var j = 0; j < found; ++j) insert += " " + } + } else if ((found = line.indexOf(mode.blockCommentContinue)) > -1 && !/\S/.test(line.slice(0, found))) { + insert = line.slice(0, found) + } + if (insert != null) insert += mode.blockCommentContinue + } + if (insert == null && mode.lineComment && continueLineCommentEnabled(cm)) { + var line = cm.getLine(pos.line), found = line.indexOf(mode.lineComment); + if (found > -1) { + insert = line.slice(0, found); + if (/\S/.test(insert)) insert = null; + else insert += mode.lineComment + line.slice(found + mode.lineComment.length).match(/^\s*/)[0]; + } + } + if (insert == null) return CodeMirror.Pass; + inserts[i] = "\n" + insert; + } + + cm.operation(function() { + for (var i = ranges.length - 1; i >= 0; i--) + cm.replaceRange(inserts[i], ranges[i].from(), ranges[i].to(), "+insert"); + }); + } + + function continueLineCommentEnabled(cm) { + var opt = cm.getOption("continueComments"); + if (opt && typeof opt == "object") + return opt.continueLineComment !== false; + return true; + } + + CodeMirror.defineOption("continueComments", null, function(cm, val, prev) { + if (prev && prev != CodeMirror.Init) + cm.removeKeyMap("continueComment"); + if (val) { + var key = "Enter"; + if (typeof val == "string") + key = val; + else if (typeof val == "object" && val.key) + key = val.key; + var map = {name: "continueComment"}; + map[key] = continueComment; + cm.addKeyMap(map); + } + }); +}); diff --git a/assets/js/codemirror/addon/dialog/dialog.js b/assets/js/codemirror/addon/dialog/dialog.js index f10bb5bf..23b06a83 100644 --- a/assets/js/codemirror/addon/dialog/dialog.js +++ b/assets/js/codemirror/addon/dialog/dialog.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE // Open simple dialogs on top of an editor. Relies on dialog.css. @@ -25,6 +25,7 @@ } else { // Assuming it's a detached DOM element. dialog.appendChild(template); } + CodeMirror.addClass(wrap, 'dialog-opened'); return dialog; } @@ -47,6 +48,7 @@ } else { if (closed) return; closed = true; + CodeMirror.rmClass(dialog.parentNode, 'dialog-opened'); dialog.parentNode.removeChild(dialog); me.focus(); @@ -102,6 +104,7 @@ function close() { if (closed) return; closed = true; + CodeMirror.rmClass(dialog.parentNode, 'dialog-opened'); dialog.parentNode.removeChild(dialog); me.focus(); } @@ -141,6 +144,7 @@ if (closed) return; closed = true; clearTimeout(doneTimer); + CodeMirror.rmClass(dialog.parentNode, 'dialog-opened'); dialog.parentNode.removeChild(dialog); } diff --git a/assets/js/codemirror/addon/display/autorefresh.js b/assets/js/codemirror/addon/display/autorefresh.js index 1e0e8504..37014dc3 100644 --- a/assets/js/codemirror/addon/display/autorefresh.js +++ b/assets/js/codemirror/addon/display/autorefresh.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/display/fullscreen.js b/assets/js/codemirror/addon/display/fullscreen.js index cd3673b9..eda7300f 100644 --- a/assets/js/codemirror/addon/display/fullscreen.js +++ b/assets/js/codemirror/addon/display/fullscreen.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/display/panel.js b/assets/js/codemirror/addon/display/panel.js index ba29484d..5faf1d56 100644 --- a/assets/js/codemirror/addon/display/panel.js +++ b/assets/js/codemirror/addon/display/panel.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -17,13 +17,15 @@ var info = this.state.panels; var wrapper = info.wrapper; var cmWrapper = this.getWrapperElement(); + var replace = options.replace instanceof Panel && !options.replace.cleared; if (options.after instanceof Panel && !options.after.cleared) { wrapper.insertBefore(node, options.before.node.nextSibling); } else if (options.before instanceof Panel && !options.before.cleared) { wrapper.insertBefore(node, options.before.node); - } else if (options.replace instanceof Panel && !options.replace.cleared) { + } else if (replace) { wrapper.insertBefore(node, options.replace.node); + info.panels++; options.replace.clear(); } else if (options.position == "bottom") { wrapper.appendChild(node); @@ -37,7 +39,12 @@ var height = (options && options.height) || node.offsetHeight; this._setSize(null, info.heightLeft -= height); - info.panels++; + if (!replace) { + info.panels++; + } + if (options.stable && isAtTop(this, node)) + this.scrollTo(null, this.getScrollInfo().top + height) + return new Panel(this, node, options, height); }); @@ -54,6 +61,8 @@ this.cleared = true; var info = this.cm.state.panels; this.cm._setSize(null, info.heightLeft += this.height); + if (this.options.stable && isAtTop(this.cm, this.node)) + this.cm.scrollTo(null, this.cm.getScrollInfo().top - this.height) info.wrapper.removeChild(this.node); if (--info.panels == 0) removePanels(this.cm); }; @@ -61,7 +70,7 @@ Panel.prototype.changed = function(height) { var newHeight = height == null ? this.node.offsetHeight : height; var info = this.cm.state.panels; - this.cm._setSize(null, info.height += (newHeight - this.height)); + this.cm._setSize(null, info.heightLeft -= (newHeight - this.height)); this.height = newHeight; }; @@ -109,4 +118,10 @@ cm.setSize = cm._setSize; cm.setSize(); } + + function isAtTop(cm, dom) { + for (var sibling = dom.nextSibling; sibling; sibling = sibling.nextSibling) + if (sibling == cm.getWrapperElement()) return true + return false + } }); diff --git a/assets/js/codemirror/addon/display/placeholder.js b/assets/js/codemirror/addon/display/placeholder.js index 2f8b1f84..1a3fa337 100644 --- a/assets/js/codemirror/addon/display/placeholder.js +++ b/assets/js/codemirror/addon/display/placeholder.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -38,6 +38,7 @@ clearPlaceholder(cm); var elt = cm.state.placeholder = document.createElement("pre"); elt.style.cssText = "height: 0; overflow: visible"; + elt.style.direction = cm.getOption("direction"); elt.className = "CodeMirror-placeholder"; var placeHolder = cm.getOption("placeholder") if (typeof placeHolder == "string") placeHolder = document.createTextNode(placeHolder) diff --git a/assets/js/codemirror/addon/display/rulers.js b/assets/js/codemirror/addon/display/rulers.js index 73005447..0bb83bb0 100644 --- a/assets/js/codemirror/addon/display/rulers.js +++ b/assets/js/codemirror/addon/display/rulers.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -13,12 +13,12 @@ CodeMirror.defineOption("rulers", false, function(cm, val) { if (cm.state.rulerDiv) { - cm.display.lineSpace.removeChild(cm.state.rulerDiv) + cm.state.rulerDiv.parentElement.removeChild(cm.state.rulerDiv) cm.state.rulerDiv = null cm.off("refresh", drawRulers) } if (val && val.length) { - cm.state.rulerDiv = cm.display.lineSpace.insertBefore(document.createElement("div"), cm.display.cursorDiv) + cm.state.rulerDiv = cm.display.lineSpace.parentElement.insertBefore(document.createElement("div"), cm.display.lineSpace) cm.state.rulerDiv.className = "CodeMirror-rulers" drawRulers(cm) cm.on("refresh", drawRulers) diff --git a/assets/js/codemirror/addon/edit/closebrackets.js b/assets/js/codemirror/addon/edit/closebrackets.js index af7fce2a..ce1a4ac6 100644 --- a/assets/js/codemirror/addon/edit/closebrackets.js +++ b/assets/js/codemirror/addon/edit/closebrackets.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -23,6 +23,7 @@ cm.state.closeBrackets = null; } if (val) { + ensureBound(getOption(val, "pairs")) cm.state.closeBrackets = val; cm.addKeyMap(keyMap); } @@ -34,10 +35,14 @@ return defaults[name]; } - var bind = defaults.pairs + "`"; var keyMap = {Backspace: handleBackspace, Enter: handleEnter}; - for (var i = 0; i < bind.length; i++) - keyMap["'" + bind.charAt(i) + "'"] = handler(bind.charAt(i)); + function ensureBound(chars) { + for (var i = 0; i < chars.length; i++) { + var ch = chars.charAt(i), key = "'" + ch + "'" + if (!keyMap[key]) keyMap[key] = handler(ch) + } + } + ensureBound(defaults.pairs + "`") function handler(ch) { return function(cm) { return handleChar(cm, ch); }; @@ -45,7 +50,7 @@ function getConfig(cm) { var deflt = cm.state.closeBrackets; - if (!deflt) return null; + if (!deflt || deflt.override) return deflt; var mode = cm.getModeAt(cm.getCursor()); return mode.closeBrackets || deflt; } @@ -79,7 +84,8 @@ if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass; } cm.operation(function() { - cm.replaceSelection("\n\n", null); + var linesep = cm.lineSeparator() || "\n"; + cm.replaceSelection(linesep + linesep, null); cm.execCommand("goCharLeft"); ranges = cm.listSelections(); for (var i = 0; i < ranges.length; i++) { @@ -116,20 +122,21 @@ if (opening && !range.empty()) { curType = "surround"; } else if ((identical || !opening) && next == ch) { - if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch) + if (identical && stringStartsAfter(cm, cur)) + curType = "both"; + else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch) curType = "skipThree"; else curType = "skip"; } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 && - cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch && - (cur.ch <= 2 || cm.getRange(Pos(cur.line, cur.ch - 3), Pos(cur.line, cur.ch - 2)) != ch)) { + cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) { + if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass; curType = "addFour"; } else if (identical) { - if (!CodeMirror.isWordChar(next) && enteringString(cm, cur, ch)) curType = "both"; + var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur) + if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both"; else return CodeMirror.Pass; - } else if (opening && (cm.getLine(cur.line).length == cur.ch || - isClosingBracket(next, pairs) || - /\s/.test(next))) { + } else if (opening) { curType = "both"; } else { return CodeMirror.Pass; @@ -166,30 +173,15 @@ }); } - function isClosingBracket(ch, pairs) { - var pos = pairs.lastIndexOf(ch); - return pos > -1 && pos % 2 == 1; - } - function charsAround(cm, pos) { var str = cm.getRange(Pos(pos.line, pos.ch - 1), Pos(pos.line, pos.ch + 1)); return str.length == 2 ? str : null; } - // Project the token type that will exists after the given char is - // typed, and use it to determine whether it would cause the start - // of a string token. - function enteringString(cm, pos, ch) { - var line = cm.getLine(pos.line); - var token = cm.getTokenAt(pos); - if (/\bstring2?\b/.test(token.type)) return false; - var stream = new CodeMirror.StringStream(line.slice(0, pos.ch) + ch + line.slice(pos.ch), 4); - stream.pos = stream.start = token.start; - for (;;) { - var type1 = cm.getMode().token(stream, token.state); - if (stream.pos >= pos.ch + 1) return /\bstring2?\b/.test(type1); - stream.start = stream.pos; - } + function stringStartsAfter(cm, pos) { + var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1)) + return /\bstring/.test(token.type) && token.start == pos.ch && + (pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos))) } }); diff --git a/assets/js/codemirror/addon/edit/closetag.js b/assets/js/codemirror/addon/edit/closetag.js index a518da3e..25e62d54 100644 --- a/assets/js/codemirror/addon/edit/closetag.js +++ b/assets/js/codemirror/addon/edit/closetag.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE /** * Tag-closer extension for CodeMirror. @@ -53,13 +53,14 @@ function autoCloseGT(cm) { if (cm.getOption("disableInput")) return CodeMirror.Pass; var ranges = cm.listSelections(), replacements = []; + var opt = cm.getOption("autoCloseTags"); for (var i = 0; i < ranges.length; i++) { if (!ranges[i].empty()) return CodeMirror.Pass; var pos = ranges[i].head, tok = cm.getTokenAt(pos); var inner = CodeMirror.innerMode(cm.getMode(), tok.state), state = inner.state; if (inner.mode.name != "xml" || !state.tagName) return CodeMirror.Pass; - var opt = cm.getOption("autoCloseTags"), html = inner.mode.configuration == "html"; + var html = inner.mode.configuration == "html"; var dontCloseTags = (typeof opt == "object" && opt.dontCloseTags) || (html && htmlDontClose); var indentTags = (typeof opt == "object" && opt.indentTags) || (html && htmlIndent); @@ -81,13 +82,14 @@ newPos: indent ? CodeMirror.Pos(pos.line + 1, 0) : CodeMirror.Pos(pos.line, pos.ch + 1)}; } + var dontIndentOnAutoClose = (typeof opt == "object" && opt.dontIndentOnAutoClose); for (var i = ranges.length - 1; i >= 0; i--) { var info = replacements[i]; cm.replaceRange(info.text, ranges[i].head, ranges[i].anchor, "+insert"); var sel = cm.listSelections().slice(0); sel[i] = {head: info.newPos, anchor: info.newPos}; cm.setSelections(sel); - if (info.indent) { + if (!dontIndentOnAutoClose && info.indent) { cm.indentLine(info.newPos.line, null, true); cm.indentLine(info.newPos.line + 1, null, true); } @@ -97,6 +99,8 @@ function autoCloseCurrent(cm, typingSlash) { var ranges = cm.listSelections(), replacements = []; var head = typingSlash ? "/" : "</"; + var opt = cm.getOption("autoCloseTags"); + var dontIndentOnAutoClose = (typeof opt == "object" && opt.dontIndentOnSlash); for (var i = 0; i < ranges.length; i++) { if (!ranges[i].empty()) return CodeMirror.Pass; var pos = ranges[i].head, tok = cm.getTokenAt(pos); @@ -127,9 +131,11 @@ } cm.replaceSelections(replacements); ranges = cm.listSelections(); - for (var i = 0; i < ranges.length; i++) - if (i == ranges.length - 1 || ranges[i].head.line < ranges[i + 1].head.line) - cm.indentLine(ranges[i].head.line); + if (!dontIndentOnAutoClose) { + for (var i = 0; i < ranges.length; i++) + if (i == ranges.length - 1 || ranges[i].head.line < ranges[i + 1].head.line) + cm.indentLine(ranges[i].head.line); + } } function autoCloseSlash(cm) { diff --git a/assets/js/codemirror/addon/edit/continuelist.js b/assets/js/codemirror/addon/edit/continuelist.js index df5179fe..86a86d8a 100644 --- a/assets/js/codemirror/addon/edit/continuelist.js +++ b/assets/js/codemirror/addon/edit/continuelist.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -11,8 +11,8 @@ })(function(CodeMirror) { "use strict"; - var listRE = /^(\s*)(>[> ]*|[*+-]\s|(\d+)([.)]))(\s*)/, - emptyListRE = /^(\s*)(>[> ]*|[*+-]|(\d+)[.)])(\s*)$/, + var listRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/, + emptyListRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/, unorderedListRE = /[*+-]\s/; CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) { @@ -25,12 +25,13 @@ var inQuote = eolState.quote !== 0; var line = cm.getLine(pos.line), match = listRE.exec(line); - if (!ranges[i].empty() || (!inList && !inQuote) || !match) { + var cursorBeforeBullet = /^\s*$/.test(line.slice(0, pos.ch)); + if (!ranges[i].empty() || (!inList && !inQuote) || !match || cursorBeforeBullet) { cm.execCommand("newlineAndIndent"); return; } if (emptyListRE.test(line)) { - cm.replaceRange("", { + if (!/>\s*$/.test(line)) cm.replaceRange("", { line: pos.line, ch: 0 }, { line: pos.line, ch: pos.ch + 1 @@ -38,14 +39,51 @@ replacements[i] = "\n"; } else { var indent = match[1], after = match[5]; - var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0 - ? match[2] - : (parseInt(match[3], 10) + 1) + match[4]; - + var numbered = !(unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0); + var bullet = numbered ? (parseInt(match[3], 10) + 1) + match[4] : match[2].replace("x", " "); replacements[i] = "\n" + indent + bullet + after; + + if (numbered) incrementRemainingMarkdownListNumbers(cm, pos); } } cm.replaceSelections(replacements); }; + + // Auto-updating Markdown list numbers when a new item is added to the + // middle of a list + function incrementRemainingMarkdownListNumbers(cm, pos) { + var startLine = pos.line, lookAhead = 0, skipCount = 0; + var startItem = listRE.exec(cm.getLine(startLine)), startIndent = startItem[1]; + + do { + lookAhead += 1; + var nextLineNumber = startLine + lookAhead; + var nextLine = cm.getLine(nextLineNumber), nextItem = listRE.exec(nextLine); + + if (nextItem) { + var nextIndent = nextItem[1]; + var newNumber = (parseInt(startItem[3], 10) + lookAhead - skipCount); + var nextNumber = (parseInt(nextItem[3], 10)), itemNumber = nextNumber; + + if (startIndent === nextIndent && !isNaN(nextNumber)) { + if (newNumber === nextNumber) itemNumber = nextNumber + 1; + if (newNumber > nextNumber) itemNumber = newNumber + 1; + cm.replaceRange( + nextLine.replace(listRE, nextIndent + itemNumber + nextItem[4] + nextItem[5]), + { + line: nextLineNumber, ch: 0 + }, { + line: nextLineNumber, ch: nextLine.length + }); + } else { + if (startIndent.length > nextIndent.length) return; + // This doesn't run if the next line immediatley indents, as it is + // not clear of the users intention (new indented item or same level) + if ((startIndent.length < nextIndent.length) && (lookAhead === 1)) return; + skipCount += 1; + } + } + } while (nextItem); + } }); diff --git a/assets/js/codemirror/addon/edit/matchbrackets.js b/assets/js/codemirror/addon/edit/matchbrackets.js index 70e1ae18..c918c3f9 100644 --- a/assets/js/codemirror/addon/edit/matchbrackets.js +++ b/assets/js/codemirror/addon/edit/matchbrackets.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -16,12 +16,21 @@ var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; - function findMatchingBracket(cm, where, strict, config) { + function findMatchingBracket(cm, where, config) { var line = cm.getLineHandle(where.line), pos = where.ch - 1; - var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; + var afterCursor = config && config.afterCursor + if (afterCursor == null) + afterCursor = /(^| )cm-fat-cursor($| )/.test(cm.getWrapperElement().className) + + // A cursor is defined as between two characters, but in in vim command mode + // (i.e. not insert mode), the cursor is visually represented as a + // highlighted box on top of the 2nd character. Otherwise, we allow matches + // from before or after the cursor. + var match = (!afterCursor && pos >= 0 && matching[line.text.charAt(pos)]) || + matching[line.text.charAt(++pos)]; if (!match) return null; var dir = match.charAt(1) == ">" ? 1 : -1; - if (strict && (dir > 0) != (pos == where.ch)) return null; + if (config && config.strict && (dir > 0) != (pos == where.ch)) return null; var style = cm.getTokenTypeAt(Pos(where.line, pos + 1)); var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config); @@ -69,7 +78,7 @@ var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000; var marks = [], ranges = cm.listSelections(); for (var i = 0; i < ranges.length; i++) { - var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, false, config); + var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, config); if (match && cm.getLine(match.from.line).length <= maxHighlightLen) { var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style})); @@ -93,17 +102,24 @@ } } - var currentlyHighlighted = null; function doMatchBrackets(cm) { cm.operation(function() { - if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;} - currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets); + if (cm.state.matchBrackets.currentlyHighlighted) { + cm.state.matchBrackets.currentlyHighlighted(); + cm.state.matchBrackets.currentlyHighlighted = null; + } + cm.state.matchBrackets.currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets); }); } CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) { - if (old && old != CodeMirror.Init) + if (old && old != CodeMirror.Init) { cm.off("cursorActivity", doMatchBrackets); + if (cm.state.matchBrackets && cm.state.matchBrackets.currentlyHighlighted) { + cm.state.matchBrackets.currentlyHighlighted(); + cm.state.matchBrackets.currentlyHighlighted = null; + } + } if (val) { cm.state.matchBrackets = typeof val == "object" ? val : {}; cm.on("cursorActivity", doMatchBrackets); @@ -111,8 +127,17 @@ }); CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);}); - CodeMirror.defineExtension("findMatchingBracket", function(pos, strict, config){ - return findMatchingBracket(this, pos, strict, config); + CodeMirror.defineExtension("findMatchingBracket", function(pos, config, oldConfig){ + // Backwards-compatibility kludge + if (oldConfig || typeof config == "boolean") { + if (!oldConfig) { + config = config ? {strict: true} : null + } else { + oldConfig.strict = config + config = oldConfig + } + } + return findMatchingBracket(this, pos, config) }); CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){ return scanForBracket(this, pos, dir, style, config); diff --git a/assets/js/codemirror/addon/edit/matchtags.js b/assets/js/codemirror/addon/edit/matchtags.js index fb1911a8..2203d939 100644 --- a/assets/js/codemirror/addon/edit/matchtags.js +++ b/assets/js/codemirror/addon/edit/matchtags.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/edit/trailingspace.js b/assets/js/codemirror/addon/edit/trailingspace.js index fa7b56be..c39c310a 100644 --- a/assets/js/codemirror/addon/edit/trailingspace.js +++ b/assets/js/codemirror/addon/edit/trailingspace.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/fold/brace-fold.js b/assets/js/codemirror/addon/fold/brace-fold.js index 13c0f0cd..654d1fb6 100644 --- a/assets/js/codemirror/addon/fold/brace-fold.js +++ b/assets/js/codemirror/addon/fold/brace-fold.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -54,7 +54,7 @@ CodeMirror.registerHelper("fold", "brace", function(cm, start) { ++pos; } } - if (end == null || line == end && endCh == startCh) return; + if (end == null || line == end) return; return {from: CodeMirror.Pos(line, startCh), to: CodeMirror.Pos(end, endCh)}; }); diff --git a/assets/js/codemirror/addon/fold/comment-fold.js b/assets/js/codemirror/addon/fold/comment-fold.js index e8d800eb..836101d8 100644 --- a/assets/js/codemirror/addon/fold/comment-fold.js +++ b/assets/js/codemirror/addon/fold/comment-fold.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/fold/foldcode.js b/assets/js/codemirror/addon/fold/foldcode.js index 78b36c46..e146fb9f 100644 --- a/assets/js/codemirror/addon/fold/foldcode.js +++ b/assets/js/codemirror/addon/fold/foldcode.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -65,6 +65,8 @@ widget = document.createElement("span"); widget.appendChild(text); widget.className = "CodeMirror-foldmarker"; + } else if (widget) { + widget = widget.cloneNode(true) } return widget; } diff --git a/assets/js/codemirror/addon/fold/foldgutter.css b/assets/js/codemirror/addon/fold/foldgutter.css index ad19ae2d..678e9341 100644 --- a/assets/js/codemirror/addon/fold/foldgutter.css +++ b/assets/js/codemirror/addon/fold/foldgutter.css @@ -1,20 +1,24 @@ .CodeMirror-foldmarker { - color: blue; - text-shadow: #b9f 1px 1px 2px, #b9f -1px -1px 2px, #b9f 1px -1px 2px, #b9f -1px 1px 2px; - font-family: arial; - line-height: .3; - cursor: pointer; + color: blue; + text-shadow: #b9f 1px 1px 2px, #b9f -1px -1px 2px, #b9f 1px -1px 2px, #b9f -1px 1px 2px; + font-family: arial; + line-height: .3; + cursor: pointer; } + .CodeMirror-foldgutter { - width: .7em; + width: .7em; } + .CodeMirror-foldgutter-open, .CodeMirror-foldgutter-folded { - cursor: pointer; + cursor: pointer; } + .CodeMirror-foldgutter-open:after { - content: "\25BE"; + content: "\25BE"; } + .CodeMirror-foldgutter-folded:after { - content: "\25B8"; -} + content: "\25B8"; +}
\ No newline at end of file diff --git a/assets/js/codemirror/addon/fold/foldgutter.js b/assets/js/codemirror/addon/fold/foldgutter.js index 9d323265..988c67c4 100644 --- a/assets/js/codemirror/addon/fold/foldgutter.js +++ b/assets/js/codemirror/addon/fold/foldgutter.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/fold/indent-fold.js b/assets/js/codemirror/addon/fold/indent-fold.js index e29f15e9..0cc11264 100644 --- a/assets/js/codemirror/addon/fold/indent-fold.js +++ b/assets/js/codemirror/addon/fold/indent-fold.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -11,32 +11,36 @@ })(function(CodeMirror) { "use strict"; +function lineIndent(cm, lineNo) { + var text = cm.getLine(lineNo) + var spaceTo = text.search(/\S/) + if (spaceTo == -1 || /\bcomment\b/.test(cm.getTokenTypeAt(CodeMirror.Pos(lineNo, spaceTo + 1)))) + return -1 + return CodeMirror.countColumn(text, null, cm.getOption("tabSize")) +} + CodeMirror.registerHelper("fold", "indent", function(cm, start) { - var tabSize = cm.getOption("tabSize"), firstLine = cm.getLine(start.line); - if (!/\S/.test(firstLine)) return; - var getIndent = function(line) { - return CodeMirror.countColumn(line, null, tabSize); - }; - var myIndent = getIndent(firstLine); - var lastLineInFold = null; + var myIndent = lineIndent(cm, start.line) + if (myIndent < 0) return + var lastLineInFold = null + // Go through lines until we find a line that definitely doesn't belong in // the block we're folding, or to the end. for (var i = start.line + 1, end = cm.lastLine(); i <= end; ++i) { - var curLine = cm.getLine(i); - var curIndent = getIndent(curLine); - if (curIndent > myIndent) { + var indent = lineIndent(cm, i) + if (indent == -1) { + } else if (indent > myIndent) { // Lines with a greater indent are considered part of the block. lastLineInFold = i; - } else if (!/\S/.test(curLine)) { - // Empty lines might be breaks within the block we're trying to fold. } else { - // A non-empty line at an indent equal to or less than ours marks the - // start of another block. + // If this line has non-space, non-comment content, and is + // indented less or equal to the start line, it is the start of + // another block. break; } } if (lastLineInFold) return { - from: CodeMirror.Pos(start.line, firstLine.length), + from: CodeMirror.Pos(start.line, cm.getLine(start.line).length), to: CodeMirror.Pos(lastLineInFold, cm.getLine(lastLineInFold).length) }; }); diff --git a/assets/js/codemirror/addon/fold/markdown-fold.js b/assets/js/codemirror/addon/fold/markdown-fold.js index ce84c946..6a551786 100644 --- a/assets/js/codemirror/addon/fold/markdown-fold.js +++ b/assets/js/codemirror/addon/fold/markdown-fold.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/fold/xml-fold.js b/assets/js/codemirror/addon/fold/xml-fold.js index f8c67b89..13bc3838 100644 --- a/assets/js/codemirror/addon/fold/xml-fold.js +++ b/assets/js/codemirror/addon/fold/xml-fold.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -21,8 +21,8 @@ function Iter(cm, line, ch, range) { this.line = line; this.ch = ch; this.cm = cm; this.text = cm.getLine(line); - this.min = range ? range.from : cm.firstLine(); - this.max = range ? range.to - 1 : cm.lastLine(); + this.min = range ? Math.max(range.from, cm.firstLine()) : cm.firstLine(); + this.max = range ? Math.min(range.to - 1, cm.lastLine()) : cm.lastLine(); } function tagAt(iter, ch) { @@ -137,12 +137,14 @@ CodeMirror.registerHelper("fold", "xml", function(cm, start) { var iter = new Iter(cm, start.line, 0); for (;;) { - var openTag = toNextTag(iter), end; - if (!openTag || iter.line != start.line || !(end = toTagEnd(iter))) return; + var openTag = toNextTag(iter) + if (!openTag || iter.line != start.line) return + var end = toTagEnd(iter) + if (!end) return if (!openTag[1] && end != "selfClose") { var startPos = Pos(iter.line, iter.ch); var endPos = findMatchingClose(iter, openTag[2]); - return endPos && {from: startPos, to: endPos.from}; + return endPos && cmp(endPos.from, startPos) > 0 ? {from: startPos, to: endPos.from} : null } } }); @@ -163,10 +165,10 @@ } }; - CodeMirror.findEnclosingTag = function(cm, pos, range) { + CodeMirror.findEnclosingTag = function(cm, pos, range, tag) { var iter = new Iter(cm, pos.line, pos.ch, range); for (;;) { - var open = findMatchingOpen(iter); + var open = findMatchingOpen(iter, tag); if (!open) break; var forward = new Iter(cm, pos.line, pos.ch, range); var close = findMatchingClose(forward, open.tag); diff --git a/assets/js/codemirror/addon/hint/anyword-hint.js b/assets/js/codemirror/addon/hint/anyword-hint.js index dae78e2e..d27a9ec0 100644 --- a/assets/js/codemirror/addon/hint/anyword-hint.js +++ b/assets/js/codemirror/addon/hint/anyword-hint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/hint/css-hint.js b/assets/js/codemirror/addon/hint/css-hint.js index 22642727..6cdf7281 100644 --- a/assets/js/codemirror/addon/hint/css-hint.js +++ b/assets/js/codemirror/addon/hint/css-hint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/hint/html-hint.js b/assets/js/codemirror/addon/hint/html-hint.js index c6769bca..b5aeb47f 100644 --- a/assets/js/codemirror/addon/hint/html-hint.js +++ b/assets/js/codemirror/addon/hint/html-hint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/hint/javascript-hint.js b/assets/js/codemirror/addon/hint/javascript-hint.js index 7bcbf4a0..96a7fe01 100644 --- a/assets/js/codemirror/addon/hint/javascript-hint.js +++ b/assets/js/codemirror/addon/hint/javascript-hint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -32,7 +32,9 @@ // Find the token at the cursor var cur = editor.getCursor(), token = getToken(editor, cur); if (/\b(?:string|comment)\b/.test(token.type)) return; - token.state = CodeMirror.innerMode(editor.getMode(), token.state).state; + var innerMode = CodeMirror.innerMode(editor.getMode(), token.state); + if (innerMode.mode.helperType === "json") return; + token.state = innerMode.state; // If it's not a 'word-style' token, ignore the token. if (!/^[\w$_]*$/.test(token.string)) { @@ -92,11 +94,20 @@ var arrayProps = ("length concat join splice push pop shift unshift slice reverse sort indexOf " + "lastIndexOf every some filter forEach map reduce reduceRight ").split(" "); var funcProps = "prototype apply call bind".split(" "); - var javascriptKeywords = ("break case catch continue debugger default delete do else false finally for function " + - "if in instanceof new null return switch throw true try typeof var void while with").split(" "); + var javascriptKeywords = ("break case catch class const continue debugger default delete do else export extends false finally for function " + + "if in import instanceof new null return super switch this throw true try typeof var void while with yield").split(" "); var coffeescriptKeywords = ("and break catch class continue delete do else extends false finally for " + "if in instanceof isnt new no not null of off on or return switch then throw true try typeof until void while with yes").split(" "); + function forAllProps(obj, callback) { + if (!Object.getOwnPropertyNames || !Object.getPrototypeOf) { + for (var name in obj) callback(name) + } else { + for (var o = obj; o; o = Object.getPrototypeOf(o)) + Object.getOwnPropertyNames(o).forEach(callback) + } + } + function getCompletions(token, context, keywords, options) { var found = [], start = token.string, global = options && options.globalScope || window; function maybeAdd(str) { @@ -106,7 +117,7 @@ if (typeof obj == "string") forEach(stringProps, maybeAdd); else if (obj instanceof Array) forEach(arrayProps, maybeAdd); else if (obj instanceof Function) forEach(funcProps, maybeAdd); - for (var name in obj) maybeAdd(name); + forAllProps(obj, maybeAdd) } if (context && context.length) { diff --git a/assets/js/codemirror/addon/hint/show-hint.js b/assets/js/codemirror/addon/hint/show-hint.js index 604bd3b7..28025775 100644 --- a/assets/js/codemirror/addon/hint/show-hint.js +++ b/assets/js/codemirror/addon/hint/show-hint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -98,7 +98,7 @@ var pos = this.cm.getCursor(), line = this.cm.getLine(pos.line); if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch || pos.ch < this.startPos.ch || this.cm.somethingSelected() || - (pos.ch && this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) { + (!pos.ch || this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) { this.close(); } else { var self = this; @@ -121,7 +121,6 @@ var picked = (this.widget && this.widget.picked) || (first && this.options.completeSingle); if (this.widget) this.widget.close(); - if (data && this.data && isNewCompletion(this.data, data)) return; this.data = data; if (data && data.list.length) { @@ -135,11 +134,6 @@ } }; - function isNewCompletion(old, nw) { - var moved = CodeMirror.cmpPos(nw.from, old.from) - return moved > 0 && old.to.ch - old.from.ch != nw.to.ch - nw.from.ch - } - function parseOptions(cm, pos, options) { var editor = cm.options.hintOptions; var out = {}; @@ -204,19 +198,22 @@ this.data = data; this.picked = false; var widget = this, cm = completion.cm; + var ownerDocument = cm.getInputField().ownerDocument; + var parentWindow = ownerDocument.defaultView || ownerDocument.parentWindow; - var hints = this.hints = document.createElement("ul"); - hints.className = "CodeMirror-hints"; + var hints = this.hints = ownerDocument.createElement("ul"); + var theme = completion.cm.options.theme; + hints.className = "CodeMirror-hints " + theme; this.selectedHint = data.selectedHint || 0; var completions = data.list; for (var i = 0; i < completions.length; ++i) { - var elt = hints.appendChild(document.createElement("li")), cur = completions[i]; + var elt = hints.appendChild(ownerDocument.createElement("li")), cur = completions[i]; var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS); if (cur.className != null) className = cur.className + " " + className; elt.className = className; if (cur.render) cur.render(elt, data, cur); - else elt.appendChild(document.createTextNode(cur.displayText || getText(cur))); + else elt.appendChild(ownerDocument.createTextNode(cur.displayText || getText(cur))); elt.hintId = i; } @@ -225,9 +222,9 @@ hints.style.left = left + "px"; hints.style.top = top + "px"; // If we're at the edge of the screen, then we want the menu to appear on the left of the cursor. - var winW = window.innerWidth || Math.max(document.body.offsetWidth, document.documentElement.offsetWidth); - var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight); - (completion.options.container || document.body).appendChild(hints); + var winW = parentWindow.innerWidth || Math.max(ownerDocument.body.offsetWidth, ownerDocument.documentElement.offsetWidth); + var winH = parentWindow.innerHeight || Math.max(ownerDocument.body.offsetHeight, ownerDocument.documentElement.offsetHeight); + (completion.options.container || ownerDocument.body).appendChild(hints); var box = hints.getBoundingClientRect(), overlapY = box.bottom - winH; var scrolls = hints.scrollHeight > hints.clientHeight + 1 var startScroll = cm.getScrollInfo(); @@ -278,7 +275,7 @@ cm.on("scroll", this.onScroll = function() { var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect(); var newTop = top + startScroll.top - curScroll.top; - var point = newTop - (window.pageYOffset || (document.documentElement || document.body).scrollTop); + var point = newTop - (parentWindow.pageYOffset || (ownerDocument.documentElement || ownerDocument.body).scrollTop); if (!below) point += hints.offsetHeight; if (point <= editor.top || point >= editor.bottom) return completion.close(); hints.style.top = newTop + "px"; @@ -302,7 +299,7 @@ setTimeout(function(){cm.focus();}, 20); }); - CodeMirror.signal(data, "select", completions[0], hints.firstChild); + CodeMirror.signal(data, "select", completions[this.selectedHint], hints.childNodes[this.selectedHint]); return true; } @@ -339,7 +336,7 @@ i = avoidWrap ? 0 : this.data.list.length - 1; if (this.selectedHint == i) return; var node = this.hints.childNodes[this.selectedHint]; - node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, ""); + if (node) node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, ""); node = this.hints.childNodes[this.selectedHint = i]; node.className += " " + ACTIVE_HINT_ELEMENT_CLASS; if (node.offsetTop < this.hints.scrollTop) @@ -403,12 +400,13 @@ }); CodeMirror.registerHelper("hint", "fromList", function(cm, options) { - var cur = cm.getCursor(), token = cm.getTokenAt(cur); - var to = CodeMirror.Pos(cur.line, token.end); - if (token.string && /\w/.test(token.string[token.string.length - 1])) { - var term = token.string, from = CodeMirror.Pos(cur.line, token.start); + var cur = cm.getCursor(), token = cm.getTokenAt(cur) + var term, from = CodeMirror.Pos(cur.line, token.start), to = cur + if (token.start < cur.ch && /\w/.test(token.string.charAt(cur.ch - token.start - 1))) { + term = token.string.substr(0, cur.ch - token.start) } else { - var term = "", from = to; + term = "" + from = cur } var found = []; for (var i = 0; i < options.words.length; i++) { diff --git a/assets/js/codemirror/addon/hint/sql-hint.js b/assets/js/codemirror/addon/hint/sql-hint.js index 1ee4f0bb..9759b91e 100644 --- a/assets/js/codemirror/addon/hint/sql-hint.js +++ b/assets/js/codemirror/addon/hint/sql-hint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -14,6 +14,7 @@ var tables; var defaultTable; var keywords; + var identifierQuote; var CONS = { QUERY_DIV: ";", ALIAS_KEYWORD: "AS" @@ -28,6 +29,12 @@ return CodeMirror.resolveMode(mode).keywords; } + function getIdentifierQuote(editor) { + var mode = editor.doc.modeOption; + if (mode === "sql") mode = "text/x-sql"; + return CodeMirror.resolveMode(mode).identifierQuote || "`"; + } + function getText(item) { return typeof item == "string" ? item : item.text; } @@ -86,17 +93,25 @@ } function cleanName(name) { - // Get rid name from backticks(`) and preceding dot(.) + // Get rid name from identifierQuote and preceding dot(.) if (name.charAt(0) == ".") { name = name.substr(1); } - return name.replace(/`/g, ""); + // replace doublicated identifierQuotes with single identifierQuotes + // and remove single identifierQuotes + var nameParts = name.split(identifierQuote+identifierQuote); + for (var i = 0; i < nameParts.length; i++) + nameParts[i] = nameParts[i].replace(new RegExp(identifierQuote,"g"), ""); + return nameParts.join(identifierQuote); } - function insertBackticks(name) { + function insertIdentifierQuotes(name) { var nameParts = getText(name).split("."); for (var i = 0; i < nameParts.length; i++) - nameParts[i] = "`" + nameParts[i] + "`"; + nameParts[i] = identifierQuote + + // doublicate identifierQuotes + nameParts[i].replace(new RegExp(identifierQuote,"g"), identifierQuote+identifierQuote) + + identifierQuote; var escaped = nameParts.join("."); if (typeof name == "string") return escaped; name = shallowClone(name); @@ -106,13 +121,13 @@ function nameCompletion(cur, token, result, editor) { // Try to complete table, column names and return start position of completion - var useBacktick = false; + var useIdentifierQuotes = false; var nameParts = []; var start = token.start; var cont = true; while (cont) { cont = (token.string.charAt(0) == "."); - useBacktick = useBacktick || (token.string.charAt(0) == "`"); + useIdentifierQuotes = useIdentifierQuotes || (token.string.charAt(0) == identifierQuote); start = token.start; nameParts.unshift(cleanName(token.string)); @@ -127,12 +142,12 @@ // Try to complete table names var string = nameParts.join("."); addMatches(result, string, tables, function(w) { - return useBacktick ? insertBackticks(w) : w; + return useIdentifierQuotes ? insertIdentifierQuotes(w) : w; }); // Try to complete columns from defaultTable addMatches(result, string, defaultTable, function(w) { - return useBacktick ? insertBackticks(w) : w; + return useIdentifierQuotes ? insertIdentifierQuotes(w) : w; }); // Try to complete columns @@ -162,7 +177,7 @@ w = shallowClone(w); w.text = tableInsert + "." + w.text; } - return useBacktick ? insertBackticks(w) : w; + return useIdentifierQuotes ? insertIdentifierQuotes(w) : w; }); } @@ -170,12 +185,9 @@ } function eachWord(lineText, f) { - if (!lineText) return; - var excepted = /[,;]/g; - var words = lineText.split(" "); - for (var i = 0; i < words.length; i++) { - f(words[i]?words[i].replace(excepted, '') : ''); - } + var words = lineText.split(/\s+/) + for (var i = 0; i < words.length; i++) + if (words[i]) f(words[i].replace(/[,;]/g, '')) } function findTableByAlias(alias, editor) { @@ -210,18 +222,20 @@ prevItem = separator[i]; } - var query = doc.getRange(validRange.start, validRange.end, false); - - for (var i = 0; i < query.length; i++) { - var lineText = query[i]; - eachWord(lineText, function(word) { - var wordUpperCase = word.toUpperCase(); - if (wordUpperCase === aliasUpperCase && getTable(previousWord)) - table = previousWord; - if (wordUpperCase !== CONS.ALIAS_KEYWORD) - previousWord = word; - }); - if (table) break; + if (validRange.start) { + var query = doc.getRange(validRange.start, validRange.end, false); + + for (var i = 0; i < query.length; i++) { + var lineText = query[i]; + eachWord(lineText, function(word) { + var wordUpperCase = word.toUpperCase(); + if (wordUpperCase === aliasUpperCase && getTable(previousWord)) + table = previousWord; + if (wordUpperCase !== CONS.ALIAS_KEYWORD) + previousWord = word; + }); + if (table) break; + } } return table; } @@ -232,6 +246,7 @@ var disableKeywords = options && options.disableKeywords; defaultTable = defaultTableName && getTable(defaultTableName); keywords = getKeywords(editor); + identifierQuote = getIdentifierQuote(editor); if (defaultTableName && !defaultTable) defaultTable = findTableByAlias(defaultTableName, editor); @@ -249,7 +264,7 @@ token.string = token.string.slice(0, cur.ch - token.start); } - if (token.string.match(/^[.`\w@]\w*$/)) { + if (token.string.match(/^[.`"\w@]\w*$/)) { search = token.string; start = token.start; end = token.end; @@ -257,13 +272,26 @@ start = end = cur.ch; search = ""; } - if (search.charAt(0) == "." || search.charAt(0) == "`") { + if (search.charAt(0) == "." || search.charAt(0) == identifierQuote) { start = nameCompletion(cur, token, result, editor); } else { - addMatches(result, search, tables, function(w) {return w;}); - addMatches(result, search, defaultTable, function(w) {return w;}); + addMatches(result, search, defaultTable, function(w) {return {text:w, className: "CodeMirror-hint-table CodeMirror-hint-default-table"};}); + addMatches( + result, + search, + tables, + function(w) { + if (typeof w === 'object') { + w.className = "CodeMirror-hint-table"; + } else { + w = {text: w, className: "CodeMirror-hint-table"}; + } + + return w; + } + ); if (!disableKeywords) - addMatches(result, search, keywords, function(w) {return w.toUpperCase();}); + addMatches(result, search, keywords, function(w) {return {text: w.toUpperCase(), className: "CodeMirror-hint-keyword"};}); } return {list: result, from: Pos(cur.line, start), to: Pos(cur.line, end)}; diff --git a/assets/js/codemirror/addon/hint/xml-hint.js b/assets/js/codemirror/addon/hint/xml-hint.js index 9b9baa0c..e575fc43 100644 --- a/assets/js/codemirror/addon/hint/xml-hint.js +++ b/assets/js/codemirror/addon/hint/xml-hint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/lint/coffeescript-lint.js b/assets/js/codemirror/addon/lint/coffeescript-lint.js index 7e39428f..a54c7035 100644 --- a/assets/js/codemirror/addon/lint/coffeescript-lint.js +++ b/assets/js/codemirror/addon/lint/coffeescript-lint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE // Depends on coffeelint.js from http://www.coffeelint.org/js/coffeelint.js @@ -17,6 +17,12 @@ CodeMirror.registerHelper("lint", "coffeescript", function(text) { var found = []; + if (!window.coffeelint) { + if (window.console) { + window.console.error("Error: window.coffeelint not defined, CodeMirror CoffeeScript linting cannot run."); + } + return found; + } var parseError = function(err) { var loc = err.lineNumber; found.push({from: CodeMirror.Pos(loc-1, 0), diff --git a/assets/js/codemirror/addon/lint/css-lint.js b/assets/js/codemirror/addon/lint/css-lint.js index 1f61b479..6058a73e 100644 --- a/assets/js/codemirror/addon/lint/css-lint.js +++ b/assets/js/codemirror/addon/lint/css-lint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE // Depends on csslint.js from https://github.com/stubbornella/csslint @@ -15,10 +15,15 @@ })(function(CodeMirror) { "use strict"; -CodeMirror.registerHelper("lint", "css", function(text) { +CodeMirror.registerHelper("lint", "css", function(text, options) { var found = []; - if (!window.CSSLint) return found; - var results = CSSLint.verify(text), messages = results.messages, message = null; + if (!window.CSSLint) { + if (window.console) { + window.console.error("Error: window.CSSLint not defined, CodeMirror CSS linting cannot run."); + } + return found; + } + var results = CSSLint.verify(text, options), messages = results.messages, message = null; for ( var i = 0; i < messages.length; i++) { message = messages[i]; var startLine = message.line -1, endLine = message.line -1, startCol = message.col -1, endCol = message.col; diff --git a/assets/js/codemirror/addon/lint/html-lint.js b/assets/js/codemirror/addon/lint/html-lint.js index 1e841709..dae47649 100644 --- a/assets/js/codemirror/addon/lint/html-lint.js +++ b/assets/js/codemirror/addon/lint/html-lint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE // Depends on htmlhint.js from http://htmlhint.com/js/htmlhint.js @@ -11,8 +11,8 @@ else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror", "htmlhint"], mod); else // Plain browser env - mod(CodeMirror); -})(function(CodeMirror) { + mod(CodeMirror, window.HTMLHint); +})(function(CodeMirror, HTMLHint) { "use strict"; var defaultRules = { @@ -29,7 +29,14 @@ CodeMirror.registerHelper("lint", "html", function(text, options) { var found = []; - if (!window.HTMLHint) return found; + if (HTMLHint && !HTMLHint.verify) HTMLHint = HTMLHint.HTMLHint; + if (!HTMLHint) HTMLHint = window.HTMLHint; + if (!HTMLHint) { + if (window.console) { + window.console.error("Error: HTMLHint not found, not defined on window, or not available through define/require, CodeMirror HTML linting cannot run."); + } + return found; + } var messages = HTMLHint.verify(text, options && options.rules || defaultRules); for (var i = 0; i < messages.length; i++) { var message = messages[i]; diff --git a/assets/js/codemirror/addon/lint/javascript-lint.js b/assets/js/codemirror/addon/lint/javascript-lint.js index d4f2ae9a..cc132d7f 100644 --- a/assets/js/codemirror/addon/lint/javascript-lint.js +++ b/assets/js/codemirror/addon/lint/javascript-lint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -12,17 +12,15 @@ "use strict"; // declare global: JSHINT - var bogus = [ "Dangerous comment" ]; - - var warnings = [ [ "Expected '{'", - "Statement body should be inside '{ }' braces." ] ]; - - var errors = [ "Missing semicolon", "Extra comma", "Missing property name", - "Unmatched ", " and instead saw", " is not defined", - "Unclosed string", "Stopping, unable to continue" ]; - function validator(text, options) { - if (!window.JSHINT) return []; + if (!window.JSHINT) { + if (window.console) { + window.console.error("Error: window.JSHINT not defined, CodeMirror JavaScript linting cannot run."); + } + return []; + } + if (!options.indent) // JSHint error.character actually is a column index, this fixes underlining on lines using tabs for indentation + options.indent = 1; // JSHint default value is 4 JSHINT(text, options, options.globals); var errors = JSHINT.data().errors, result = []; if (errors) parseErrors(errors, result); @@ -31,105 +29,34 @@ CodeMirror.registerHelper("lint", "javascript", validator); - function cleanup(error) { - // All problems are warnings by default - fixWith(error, warnings, "warning", true); - fixWith(error, errors, "error"); - - return isBogus(error) ? null : error; - } - - function fixWith(error, fixes, severity, force) { - var description, fix, find, replace, found; - - description = error.description; - - for ( var i = 0; i < fixes.length; i++) { - fix = fixes[i]; - find = (typeof fix === "string" ? fix : fix[0]); - replace = (typeof fix === "string" ? null : fix[1]); - found = description.indexOf(find) !== -1; - - if (force || found) { - error.severity = severity; - } - if (found && replace) { - error.description = replace; - } - } - } - - function isBogus(error) { - var description = error.description; - for ( var i = 0; i < bogus.length; i++) { - if (description.indexOf(bogus[i]) !== -1) { - return true; - } - } - return false; - } - function parseErrors(errors, output) { for ( var i = 0; i < errors.length; i++) { var error = errors[i]; if (error) { - var linetabpositions, index; - - linetabpositions = []; - - // This next block is to fix a problem in jshint. Jshint - // replaces - // all tabs with spaces then performs some checks. The error - // positions (character/space) are then reported incorrectly, - // not taking the replacement step into account. Here we look - // at the evidence line and try to adjust the character position - // to the correct value. - if (error.evidence) { - // Tab positions are computed once per line and cached - var tabpositions = linetabpositions[error.line]; - if (!tabpositions) { - var evidence = error.evidence; - tabpositions = []; - // ugggh phantomjs does not like this - // forEachChar(evidence, function(item, index) { - Array.prototype.forEach.call(evidence, function(item, - index) { - if (item === '\t') { - // First col is 1 (not 0) to match error - // positions - tabpositions.push(index + 1); - } - }); - linetabpositions[error.line] = tabpositions; - } - if (tabpositions.length > 0) { - var pos = error.character; - tabpositions.forEach(function(tabposition) { - if (pos > tabposition) pos -= 1; - }); - error.character = pos; + if (error.line <= 0) { + if (window.console) { + window.console.warn("Cannot display JSHint error (invalid line " + error.line + ")", error); } + continue; } var start = error.character - 1, end = start + 1; if (error.evidence) { - index = error.evidence.substring(start).search(/.\b/); + var index = error.evidence.substring(start).search(/.\b/); if (index > -1) { end += index; } } // Convert to format expected by validation service - error.description = error.reason;// + "(jshint)"; - error.start = error.character; - error.end = end; - error = cleanup(error); - - if (error) - output.push({message: error.description, - severity: error.severity, - from: CodeMirror.Pos(error.line - 1, start), - to: CodeMirror.Pos(error.line - 1, end)}); + var hint = { + message: error.reason, + severity: error.code ? (error.code.startsWith('W') ? "warning" : "error") : "error", + from: CodeMirror.Pos(error.line - 1, start), + to: CodeMirror.Pos(error.line - 1, end) + }; + + output.push(hint); } } } diff --git a/assets/js/codemirror/addon/lint/json-lint.js b/assets/js/codemirror/addon/lint/json-lint.js index 9dbb616b..ac1d6ec2 100644 --- a/assets/js/codemirror/addon/lint/json-lint.js +++ b/assets/js/codemirror/addon/lint/json-lint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE // Depends on jsonlint.js from https://github.com/zaach/jsonlint @@ -17,6 +17,15 @@ CodeMirror.registerHelper("lint", "json", function(text) { var found = []; + if (!window.jsonlint) { + if (window.console) { + window.console.error("Error: window.jsonlint not defined, CodeMirror JSON linting cannot run."); + } + return found; + } + // for jsonlint's web dist jsonlint is exported as an object with a single property parser, of which parseError + // is a subproperty + var jsonlint = window.jsonlint.parser || window.jsonlint jsonlint.parseError = function(str, hash) { var loc = hash.loc; found.push({from: CodeMirror.Pos(loc.first_line - 1, loc.first_column), diff --git a/assets/js/codemirror/addon/lint/lint.js b/assets/js/codemirror/addon/lint/lint.js index e3a45276..aa75ba0e 100644 --- a/assets/js/codemirror/addon/lint/lint.js +++ b/assets/js/codemirror/addon/lint/lint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -112,7 +112,11 @@ if (!severity) severity = "error"; var tip = document.createElement("div"); tip.className = "CodeMirror-lint-message-" + severity; - tip.appendChild(document.createTextNode(ann.message)); + if (typeof ann.messageHTML != 'undefined') { + tip.innerHTML = ann.messageHTML; + } else { + tip.appendChild(document.createTextNode(ann.message)); + } return tip; } @@ -128,19 +132,28 @@ cm.off("change", abort) if (state.waitingFor != id) return if (arg2 && annotations instanceof CodeMirror) annotations = arg2 - updateLinting(cm, annotations) + cm.operation(function() {updateLinting(cm, annotations)}) }, passOptions, cm); } function startLinting(cm) { var state = cm.state.lint, options = state.options; - var passOptions = options.options || options; // Support deprecated passing of `options` property in options + /* + * Passing rules in `options` property prevents JSHint (and other linters) from complaining + * about unrecognized rules like `onUpdateLinting`, `delay`, `lintOnChange`, etc. + */ + var passOptions = options.options || options; var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint"); if (!getAnnotations) return; if (options.async || getAnnotations.async) { lintAsync(cm, getAnnotations, passOptions) } else { - updateLinting(cm, getAnnotations(cm.getValue(), passOptions, cm)); + var annotations = getAnnotations(cm.getValue(), passOptions, cm); + if (!annotations) return; + if (annotations.then) annotations.then(function(issues) { + cm.operation(function() {updateLinting(cm, issues)}) + }); + else cm.operation(function() {updateLinting(cm, annotations)}) } } @@ -226,7 +239,7 @@ var state = cm.state.lint = new LintState(cm, parseOptions(cm, val), hasLintGutter); if (state.options.lintOnChange !== false) cm.on("change", onChange); - if (state.options.tooltips != false) + if (state.options.tooltips != false && state.options.tooltips != "gutter") CodeMirror.on(cm.getWrapperElement(), "mouseover", state.onMouseOver); startLinting(cm); diff --git a/assets/js/codemirror/addon/lint/yaml-lint.js b/assets/js/codemirror/addon/lint/yaml-lint.js index 3f77e525..369c95b5 100644 --- a/assets/js/codemirror/addon/lint/yaml-lint.js +++ b/assets/js/codemirror/addon/lint/yaml-lint.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -17,10 +17,23 @@ CodeMirror.registerHelper("lint", "yaml", function(text) { var found = []; + if (!window.jsyaml) { + if (window.console) { + window.console.error("Error: window.jsyaml not defined, CodeMirror YAML linting cannot run."); + } + return found; + } try { jsyaml.load(text); } catch(e) { - var loc = e.mark; - found.push({ from: CodeMirror.Pos(loc.line, loc.column), to: CodeMirror.Pos(loc.line, loc.column), message: e.message }); + var loc = e.mark, + // js-yaml YAMLException doesn't always provide an accurate lineno + // e.g., when there are multiple yaml docs + // --- + // --- + // foo:bar + from = loc ? CodeMirror.Pos(loc.line, loc.column) : CodeMirror.Pos(0, 0), + to = from; + found.push({ from: from, to: to, message: e.message }); } return found; }); diff --git a/assets/js/codemirror/addon/mode/loadmode.js b/assets/js/codemirror/addon/mode/loadmode.js index 10117ec2..4ce716a0 100644 --- a/assets/js/codemirror/addon/mode/loadmode.js +++ b/assets/js/codemirror/addon/mode/loadmode.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/mode/multiplex.js b/assets/js/codemirror/addon/mode/multiplex.js index 3d8b34c4..738ea98a 100644 --- a/assets/js/codemirror/addon/mode/multiplex.js +++ b/assets/js/codemirror/addon/mode/multiplex.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -50,7 +50,15 @@ CodeMirror.multiplexingMode = function(outer /*, others */) { if (found == stream.pos) { if (!other.parseDelimiters) stream.match(other.open); state.innerActive = other; - state.inner = CodeMirror.startState(other.mode, outer.indent ? outer.indent(state.outer, "") : 0); + + // Get the outer indent, making sure to handle CodeMirror.Pass + var outerIndent = 0; + if (outer.indent) { + var possibleOuterIndent = outer.indent(state.outer, ""); + if (possibleOuterIndent !== CodeMirror.Pass) outerIndent = possibleOuterIndent; + } + + state.inner = CodeMirror.startState(other.mode, outerIndent); return other.delimStyle && (other.delimStyle + " " + other.delimStyle + "-open"); } else if (found != -1 && found < cutOff) { cutOff = found; diff --git a/assets/js/codemirror/addon/mode/multiplex_test.js b/assets/js/codemirror/addon/mode/multiplex_test.js index 24e5e670..c51cad45 100644 --- a/assets/js/codemirror/addon/mode/multiplex_test.js +++ b/assets/js/codemirror/addon/mode/multiplex_test.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function() { CodeMirror.defineMode("markdown_with_stex", function(){ diff --git a/assets/js/codemirror/addon/mode/overlay.js b/assets/js/codemirror/addon/mode/overlay.js index e1b9ed37..839d9e55 100644 --- a/assets/js/codemirror/addon/mode/overlay.js +++ b/assets/js/codemirror/addon/mode/overlay.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE // Utility function that allows modes to be combined. The mode given // as the base argument takes care of most of the normal mode @@ -76,8 +76,13 @@ CodeMirror.overlayMode = function(base, overlay, combine) { innerMode: function(state) { return {state: state.base, mode: base}; }, blankLine: function(state) { - if (base.blankLine) base.blankLine(state.base); - if (overlay.blankLine) overlay.blankLine(state.overlay); + var baseToken, overlayToken; + if (base.blankLine) baseToken = base.blankLine(state.base); + if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay); + + return overlayToken == null ? + baseToken : + (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken); } }; }; diff --git a/assets/js/codemirror/addon/mode/simple.js b/assets/js/codemirror/addon/mode/simple.js index df663365..655f9914 100644 --- a/assets/js/codemirror/addon/mode/simple.js +++ b/assets/js/codemirror/addon/mode/simple.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -77,6 +77,7 @@ function asToken(val) { if (!val) return null; + if (val.apply) return val if (typeof val == "string") return val.replace(/\./g, " "); var result = []; for (var i = 0; i < val.length; i++) @@ -133,17 +134,19 @@ state.indent.push(stream.indentation() + config.indentUnit); if (rule.data.dedent) state.indent.pop(); - if (matches.length > 2) { + var token = rule.token + if (token && token.apply) token = token(matches) + if (matches.length > 2 && rule.token && typeof rule.token != "string") { state.pending = []; for (var j = 2; j < matches.length; j++) if (matches[j]) state.pending.push({text: matches[j], token: rule.token[j - 1]}); stream.backUp(matches[0].length - (matches[1] ? matches[1].length : 0)); - return rule.token[0]; - } else if (rule.token && rule.token.join) { - return rule.token[0]; + return token[0]; + } else if (token && token.join) { + return token[0]; } else { - return rule.token; + return token; } } } diff --git a/assets/js/codemirror/addon/runmode/colorize.js b/assets/js/codemirror/addon/runmode/colorize.js index eb7060d0..3be54115 100644 --- a/assets/js/codemirror/addon/runmode/colorize.js +++ b/assets/js/codemirror/addon/runmode/colorize.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/runmode/runmode-standalone.js b/assets/js/codemirror/addon/runmode/runmode-standalone.js index f4f352c8..745eaf84 100644 --- a/assets/js/codemirror/addon/runmode/runmode-standalone.js +++ b/assets/js/codemirror/addon/runmode/runmode-standalone.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE window.CodeMirror = {}; @@ -65,7 +65,8 @@ StringStream.prototype = { this.lineStart += n; try { return inner(); } finally { this.lineStart -= n; } - } + }, + lookAhead: function() { return null } }; CodeMirror.StringStream = StringStream; diff --git a/assets/js/codemirror/addon/runmode/runmode.js b/assets/js/codemirror/addon/runmode/runmode.js index a51c6d0d..eb4cadf5 100644 --- a/assets/js/codemirror/addon/runmode/runmode.js +++ b/assets/js/codemirror/addon/runmode/runmode.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/runmode/runmode.node.js b/assets/js/codemirror/addon/runmode/runmode.node.js index b22a5187..53b6994c 100644 --- a/assets/js/codemirror/addon/runmode/runmode.node.js +++ b/assets/js/codemirror/addon/runmode/runmode.node.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE /* Just enough of CodeMirror to run runMode under node.js */ @@ -7,7 +7,7 @@ function splitLines(string){return string.split(/\r\n?|\n/);}; // Counts the column offset in a string, taking tabs into account. // Used mostly to find indentation. -var countColumn = function(string, end, tabSize, startIndex, startValue) { +var countColumn = exports.countColumn = function(string, end, tabSize, startIndex, startValue) { if (end == null) { end = string.search(/[^\s\u00a0]/); if (end == -1) end = string.length; @@ -22,12 +22,13 @@ var countColumn = function(string, end, tabSize, startIndex, startValue) { } }; -function StringStream(string, tabSize) { +function StringStream(string, tabSize, context) { this.pos = this.start = 0; this.string = string; this.tabSize = tabSize || 8; this.lastColumnPos = this.lastColumnValue = 0; this.lineStart = 0; + this.context = context }; StringStream.prototype = { @@ -91,6 +92,10 @@ StringStream.prototype = { this.lineStart += n; try { return inner(); } finally { this.lineStart -= n; } + }, + lookAhead: function(n) { + var line = this.context.line + n + return line >= this.context.lines.length ? null : this.context.lines[line] } }; exports.StringStream = StringStream; @@ -158,14 +163,27 @@ exports.getMode = function(options, spec) { return modeObj; }; + +exports.innerMode = function(mode, state) { + var info; + while (mode.innerMode) { + info = mode.innerMode(state); + if (!info || info.mode == mode) break; + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state}; +} + exports.registerHelper = exports.registerGlobalHelper = Math.min; exports.runMode = function(string, modespec, callback, options) { var mode = exports.getMode({indentUnit: 2}, modespec); var lines = splitLines(string), state = (options && options.state) || exports.startState(mode); - for (var i = 0, e = lines.length; i < e; ++i) { + var context = {lines: lines, line: 0} + for (var i = 0, e = lines.length; i < e; ++i, ++context.line) { if (i) callback("\n"); - var stream = new exports.StringStream(lines[i]); + var stream = new exports.StringStream(lines[i], 4, context); if (!stream.string && mode.blankLine) mode.blankLine(state); while (!stream.eol()) { var style = mode.token(stream, state); diff --git a/assets/js/codemirror/addon/scroll/annotatescrollbar.js b/assets/js/codemirror/addon/scroll/annotatescrollbar.js index 5e748e81..35662581 100644 --- a/assets/js/codemirror/addon/scroll/annotatescrollbar.js +++ b/assets/js/codemirror/addon/scroll/annotatescrollbar.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -77,17 +77,21 @@ curLine = pos.line; curLineObj = cm.getLineHandle(curLine); } - if (wrapping && curLineObj.height > singleLineH) + if ((curLineObj.widgets && curLineObj.widgets.length) || + (wrapping && curLineObj.height > singleLineH)) return cm.charCoords(pos, "local")[top ? "top" : "bottom"]; var topY = cm.heightAtLine(curLineObj, "local"); return topY + (top ? 0 : curLineObj.height); } + var lastLine = cm.lastLine() if (cm.display.barWidth) for (var i = 0, nextTop; i < anns.length; i++) { var ann = anns[i]; + if (ann.to.line > lastLine) continue; var top = nextTop || getY(ann.from, true) * hScale; var bottom = getY(ann.to, false) * hScale; while (i < anns.length - 1) { + if (anns[i + 1].to.line > lastLine) break; nextTop = getY(anns[i + 1].from, true) * hScale; if (nextTop > bottom + .9) break; ann = anns[++i]; diff --git a/assets/js/codemirror/addon/scroll/scrollpastend.js b/assets/js/codemirror/addon/scroll/scrollpastend.js index a2ed089b..2ed9d95e 100644 --- a/assets/js/codemirror/addon/scroll/scrollpastend.js +++ b/assets/js/codemirror/addon/scroll/scrollpastend.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/scroll/simplescrollbars.js b/assets/js/codemirror/addon/scroll/simplescrollbars.js index 23f3e03f..750a2bd3 100644 --- a/assets/js/codemirror/addon/scroll/simplescrollbars.js +++ b/assets/js/codemirror/addon/scroll/simplescrollbars.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/selection/active-line.js b/assets/js/codemirror/addon/selection/active-line.js index b0b3f61a..c7b14ce0 100644 --- a/assets/js/codemirror/addon/selection/active-line.js +++ b/assets/js/codemirror/addon/selection/active-line.js @@ -1,11 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -// Because sometimes you need to style the cursor's line. -// -// Adds an option 'styleActiveLine' which, when enabled, gives the -// active line's wrapping <div> the CSS class "CodeMirror-activeline", -// and gives its background <div> the class "CodeMirror-activeline-background". +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -21,16 +15,18 @@ var GUTT_CLASS = "CodeMirror-activeline-gutter"; CodeMirror.defineOption("styleActiveLine", false, function(cm, val, old) { - var prev = old && old != CodeMirror.Init; - if (val && !prev) { - cm.state.activeLines = []; - updateActiveLines(cm, cm.listSelections()); - cm.on("beforeSelectionChange", selectionChange); - } else if (!val && prev) { + var prev = old == CodeMirror.Init ? false : old; + if (val == prev) return + if (prev) { cm.off("beforeSelectionChange", selectionChange); clearActiveLines(cm); delete cm.state.activeLines; } + if (val) { + cm.state.activeLines = []; + updateActiveLines(cm, cm.listSelections()); + cm.on("beforeSelectionChange", selectionChange); + } }); function clearActiveLines(cm) { @@ -52,7 +48,9 @@ var active = []; for (var i = 0; i < ranges.length; i++) { var range = ranges[i]; - if (!range.empty()) continue; + var option = cm.getOption("styleActiveLine"); + if (typeof option == "object" && option.nonEmpty ? range.anchor.line != range.head.line : !range.empty()) + continue var line = cm.getLineHandleVisualStart(range.head.line); if (active[active.length - 1] != line) active.push(line); } diff --git a/assets/js/codemirror/addon/selection/mark-selection.js b/assets/js/codemirror/addon/selection/mark-selection.js index 5c42d21e..adfaa62d 100644 --- a/assets/js/codemirror/addon/selection/mark-selection.js +++ b/assets/js/codemirror/addon/selection/mark-selection.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE // Because sometimes you need to mark the selected *text*. // @@ -34,11 +34,12 @@ }); function onCursorActivity(cm) { - cm.operation(function() { update(cm); }); + if (cm.state.markedSelection) + cm.operation(function() { update(cm); }); } function onChange(cm) { - if (cm.state.markedSelection.length) + if (cm.state.markedSelection && cm.state.markedSelection.length) cm.operation(function() { clear(cm); }); } @@ -85,7 +86,7 @@ if (!array.length) return coverRange(cm, from, to); var coverStart = array[0].find(), coverEnd = array[array.length - 1].find(); - if (!coverStart || !coverEnd || to.line - from.line < CHUNK_SIZE || + if (!coverStart || !coverEnd || to.line - from.line <= CHUNK_SIZE || cmp(from, coverEnd.to) >= 0 || cmp(to, coverStart.from) <= 0) return reset(cm); diff --git a/assets/js/codemirror/addon/selection/selection-pointer.js b/assets/js/codemirror/addon/selection/selection-pointer.js index ef5e404a..f0bd61a3 100644 --- a/assets/js/codemirror/addon/selection/selection-pointer.js +++ b/assets/js/codemirror/addon/selection/selection-pointer.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS diff --git a/assets/js/codemirror/addon/wrap/hardwrap.js b/assets/js/codemirror/addon/wrap/hardwrap.js index 04851f99..29cc15f0 100644 --- a/assets/js/codemirror/addon/wrap/hardwrap.js +++ b/assets/js/codemirror/addon/wrap/hardwrap.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -52,6 +52,7 @@ var lines = cm.getRange(from, to, false); if (!lines.length) return null; var leadingSpace = lines[0].match(/^[ \t]*/)[0]; + if (leadingSpace.length >= column) column = leadingSpace.length + 1 for (var i = 0; i < lines.length; ++i) { var text = lines[i], oldLen = curLine.length, spaceInserted = 0; diff --git a/assets/js/codemirror/codemirror.css b/assets/js/codemirror/codemirror.css index 77ecd656..c7a8ae70 100644 --- a/assets/js/codemirror/codemirror.css +++ b/assets/js/codemirror/codemirror.css @@ -5,29 +5,22 @@ font-family: monospace; height: 300px; color: black; - width: 98%; + direction: ltr; } - /* PADDING */ .CodeMirror-lines { - padding: 4px 0; - /* Vertical padding around content */ + padding: 4px 0; /* Vertical padding around content */ } - .CodeMirror pre { - padding: 0 4px; - /* Horizontal padding of content */ + padding: 0 4px; /* Horizontal padding of content */ } -.CodeMirror-scrollbar-filler, -.CodeMirror-gutter-filler { - background-color: white; - /* The little square between H and V scrollbars */ +.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { + background-color: white; /* The little square between H and V scrollbars */ } - /* GUTTER */ .CodeMirror-gutters { @@ -35,9 +28,7 @@ background-color: #f7f7f7; white-space: nowrap; } - .CodeMirror-linenumbers {} - .CodeMirror-linenumber { padding: 0 3px 0 5px; min-width: 20px; @@ -46,14 +37,8 @@ white-space: nowrap; } -.CodeMirror-guttermarker { - color: black; -} - -.CodeMirror-guttermarker-subtle { - color: #999; -} - +.CodeMirror-guttermarker { color: black; } +.CodeMirror-guttermarker-subtle { color: #999; } /* CURSOR */ @@ -62,24 +47,24 @@ border-right: none; width: 0; } - - /* Shown when moving in bi-directional text */ - .CodeMirror div.CodeMirror-secondarycursor { border-left: 1px solid silver; } - .cm-fat-cursor .CodeMirror-cursor { width: auto; border: 0 !important; background: #7e7; } - .cm-fat-cursor div.CodeMirror-cursors { z-index: 1; } - +.cm-fat-cursor-mark { + background-color: rgba(20, 255, 20, 0.5); + -webkit-animation: blink 1.06s steps(1) infinite; + -moz-animation: blink 1.06s steps(1) infinite; + animation: blink 1.06s steps(1) infinite; +} .cm-animate-fat-cursor { width: auto; border: 0; @@ -88,201 +73,85 @@ animation: blink 1.06s steps(1) infinite; background-color: #7e7; } - @-moz-keyframes blink { 0% {} - 50% { - background-color: transparent; - } + 50% { background-color: transparent; } 100% {} } - @-webkit-keyframes blink { 0% {} - 50% { - background-color: transparent; - } + 50% { background-color: transparent; } 100% {} } - @keyframes blink { 0% {} - 50% { - background-color: transparent; - } + 50% { background-color: transparent; } 100% {} } - /* Can style cursor different in overwrite (non-insert) mode */ - .CodeMirror-overwrite .CodeMirror-cursor {} -.cm-tab { - display: inline-block; - text-decoration: inherit; -} +.cm-tab { display: inline-block; text-decoration: inherit; } .CodeMirror-rulers { position: absolute; - left: 0; - right: 0; - top: -50px; - bottom: -20px; + left: 0; right: 0; top: -50px; bottom: -20px; overflow: hidden; } - .CodeMirror-ruler { border-left: 1px solid #ccc; - top: 0; - bottom: 0; + top: 0; bottom: 0; position: absolute; } - /* DEFAULT THEME */ -.cm-s-default .cm-header { - color: blue; -} - -.cm-s-default .cm-quote { - color: #090; -} - -.cm-negative { - color: #d44; -} - -.cm-positive { - color: #292; -} - -.cm-header, -.cm-strong { - font-weight: bold; -} - -.cm-em { - font-style: italic; -} - -.cm-link { - text-decoration: underline; -} - -.cm-strikethrough { - text-decoration: line-through; -} - -.cm-s-default .cm-keyword { - color: #708; -} - -.cm-s-default .cm-atom { - color: #219; -} - -.cm-s-default .cm-number { - color: #164; -} - -.cm-s-default .cm-def { - color: #00f; -} - +.cm-s-default .cm-header {color: blue;} +.cm-s-default .cm-quote {color: #090;} +.cm-negative {color: #d44;} +.cm-positive {color: #292;} +.cm-header, .cm-strong {font-weight: bold;} +.cm-em {font-style: italic;} +.cm-link {text-decoration: underline;} +.cm-strikethrough {text-decoration: line-through;} + +.cm-s-default .cm-keyword {color: #708;} +.cm-s-default .cm-atom {color: #219;} +.cm-s-default .cm-number {color: #164;} +.cm-s-default .cm-def {color: #00f;} .cm-s-default .cm-variable, .cm-s-default .cm-punctuation, .cm-s-default .cm-property, .cm-s-default .cm-operator {} - -.cm-s-default .cm-variable-2 { - color: #05a; -} - -.cm-s-default .cm-variable-3 { - color: #085; -} - -.cm-s-default .cm-comment { - color: #a50; -} - -.cm-s-default .cm-string { - color: #a11; -} - -.cm-s-default .cm-string-2 { - color: #f50; -} - -.cm-s-default .cm-meta { - color: #555; -} - -.cm-s-default .cm-qualifier { - color: #555; -} - -.cm-s-default .cm-builtin { - color: #30a; -} - -.cm-s-default .cm-bracket { - color: #997; -} - -.cm-s-default .cm-tag { - color: #170; -} - -.cm-s-default .cm-attribute { - color: #00c; -} - -.cm-s-default .cm-hr { - color: #999; -} - -.cm-s-default .cm-link { - color: #00c; -} - -.cm-s-default .cm-error { - color: #f00; -} - -.cm-invalidchar { - color: #f00; -} - -.CodeMirror-composing { - border-bottom: 2px solid; -} - +.cm-s-default .cm-variable-2 {color: #05a;} +.cm-s-default .cm-variable-3, .cm-s-default .cm-type {color: #085;} +.cm-s-default .cm-comment {color: #a50;} +.cm-s-default .cm-string {color: #a11;} +.cm-s-default .cm-string-2 {color: #f50;} +.cm-s-default .cm-meta {color: #555;} +.cm-s-default .cm-qualifier {color: #555;} +.cm-s-default .cm-builtin {color: #30a;} +.cm-s-default .cm-bracket {color: #997;} +.cm-s-default .cm-tag {color: #170;} +.cm-s-default .cm-attribute {color: #00c;} +.cm-s-default .cm-hr {color: #999;} +.cm-s-default .cm-link {color: #00c;} + +.cm-s-default .cm-error {color: #f00;} +.cm-invalidchar {color: #f00;} + +.CodeMirror-composing { border-bottom: 2px solid; } /* Default styles for common addons */ -div.CodeMirror span.CodeMirror-matchingbracket { - color: #0f0; -} - -div.CodeMirror span.CodeMirror-nonmatchingbracket { - color: #f22; -} - -.CodeMirror-matchingtag { - background: rgba(255, 150, 0, .3); -} - -.CodeMirror-activeline-background { - background: #e8f2ff; -} - +div.CodeMirror span.CodeMirror-matchingbracket {color: #0b0;} +div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;} +.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); } +.CodeMirror-activeline-background {background: #e8f2ff;} /* STOP */ - /* The rest of this file contains styles related to the mechanics of the editor. You probably shouldn't touch them. */ @@ -293,118 +162,83 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket { } .CodeMirror-scroll { - overflow: scroll !important; - /* Things will break if this is overridden */ + overflow: scroll !important; /* Things will break if this is overridden */ /* 30px is the magic margin used to hide the element's real scrollbars */ /* See overflow: hidden in .CodeMirror */ - margin-bottom: -30px; - margin-right: -30px; + margin-bottom: -30px; margin-right: -30px; padding-bottom: 30px; height: 100%; - outline: none; - /* Prevent dragging from highlighting the element */ + outline: none; /* Prevent dragging from highlighting the element */ position: relative; } - .CodeMirror-sizer { position: relative; border-right: 30px solid transparent; } - /* The fake, visible scrollbars. Used to force redraw during scrolling before actual scrolling happens, thus preventing shaking and flickering artifacts. */ - -.CodeMirror-vscrollbar, -.CodeMirror-hscrollbar, -.CodeMirror-scrollbar-filler, -.CodeMirror-gutter-filler { +.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { position: absolute; z-index: 6; display: none; } - .CodeMirror-vscrollbar { - right: 0; - top: 0; + right: 0; top: 0; overflow-x: hidden; overflow-y: scroll; } - .CodeMirror-hscrollbar { - bottom: 0; - left: 0; + bottom: 0; left: 0; overflow-y: hidden; overflow-x: scroll; } - .CodeMirror-scrollbar-filler { - right: 0; - bottom: 0; + right: 0; bottom: 0; } - .CodeMirror-gutter-filler { - left: 0; - bottom: 0; + left: 0; bottom: 0; } .CodeMirror-gutters { - position: absolute; - left: 0; - top: 0; + position: absolute; left: 0; top: 0; min-height: 100%; z-index: 3; } - .CodeMirror-gutter { white-space: normal; height: 100%; display: inline-block; vertical-align: top; margin-bottom: -30px; - /* Hack to make IE7 behave */ - *zoom: 1; - *display: inline; } - .CodeMirror-gutter-wrapper { position: absolute; z-index: 4; background: none !important; border: none !important; } - .CodeMirror-gutter-background { position: absolute; - top: 0; - bottom: 0; + top: 0; bottom: 0; z-index: 4; } - .CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; } - -.CodeMirror-gutter-wrapper { - -webkit-user-select: none; - -moz-user-select: none; - user-select: none; -} +.CodeMirror-gutter-wrapper ::selection { background-color: transparent } +.CodeMirror-gutter-wrapper ::-moz-selection { background-color: transparent } .CodeMirror-lines { cursor: text; - min-height: 1px; - /* prevents collapsing before first draw */ + min-height: 1px; /* prevents collapsing before first draw */ } - .CodeMirror pre { /* Reset some styles that the rest of the page might have set */ - -moz-border-radius: 0; - -webkit-border-radius: 0; - border-radius: 0; + -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0; border-width: 0; background: transparent; font-family: inherit; @@ -418,10 +252,9 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket { position: relative; overflow: visible; -webkit-tap-highlight-color: transparent; - -webkit-font-variant-ligatures: none; - font-variant-ligatures: none; + -webkit-font-variant-ligatures: contextual; + font-variant-ligatures: contextual; } - .CodeMirror-wrap pre { word-wrap: break-word; white-space: pre-wrap; @@ -430,28 +263,25 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket { .CodeMirror-linebackground { position: absolute; - left: 0; - right: 0; - top: 0; - bottom: 0; + left: 0; right: 0; top: 0; bottom: 0; z-index: 0; } .CodeMirror-linewidget { position: relative; z-index: 2; - overflow: auto; + padding: 0.1px; /* Force widget margins to stay inside of the container */ } .CodeMirror-widget {} +.CodeMirror-rtl pre { direction: rtl; } + .CodeMirror-code { outline: none; } - /* Force content-box sizing for the elements where we expect it */ - .CodeMirror-scroll, .CodeMirror-sizer, .CodeMirror-gutter, @@ -473,17 +303,13 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket { position: absolute; pointer-events: none; } - -.CodeMirror-measure pre { - position: static; -} +.CodeMirror-measure pre { position: static; } div.CodeMirror-cursors { visibility: hidden; position: relative; z-index: 3; } - div.CodeMirror-dragcursors { visibility: visible; } @@ -492,52 +318,19 @@ div.CodeMirror-dragcursors { visibility: visible; } -.CodeMirror-selected { - background: #d9d9d9; -} - -.CodeMirror-focused { - outline: 1px solid #66AAFF; -} - -.CodeMirror-focused .CodeMirror-selected { - background: #d7d4f0; -} - -.CodeMirror-crosshair { - cursor: crosshair; -} - -.CodeMirror-line::selection, -.CodeMirror-line > span::selection, -.CodeMirror-line > span > span::selection { - background: #d7d4f0; -} - -.CodeMirror-line::-moz-selection, -.CodeMirror-line > span::-moz-selection, -.CodeMirror-line > span > span::-moz-selection { - background: #d7d4f0; -} +.CodeMirror-selected { background: #d9d9d9; } +.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } +.CodeMirror-crosshair { cursor: crosshair; } +.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; } +.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; } .cm-searching { - background: #ffa; - background: rgba(255, 255, 0, .4); -} - - -/* IE7 hack to prevent it from returning funny offsetTops on the spans */ - -.CodeMirror span { - *vertical-align: text-bottom; + background-color: #ffa; + background-color: rgba(255, 255, 0, .4); } - /* Used to force a border model for a node */ - -.cm-force-border { - padding-right: .1px; -} +.cm-force-border { padding-right: .1px; } @media print { /* Hide the cursor when printing */ @@ -546,16 +339,8 @@ div.CodeMirror-dragcursors { } } - /* See issue #2901 */ - -.cm-tab-wrap-hack:after { - content: ''; -} - +.cm-tab-wrap-hack:after { content: ''; } /* Help users use markselection to safely style text background */ - -span.CodeMirror-selectedtext { - background: none; -} +span.CodeMirror-selectedtext { background: none; } diff --git a/assets/js/codemirror/codemirror.js b/assets/js/codemirror/codemirror.js index 5009f836..c5a9da5f 100644 --- a/assets/js/codemirror/codemirror.js +++ b/assets/js/codemirror/codemirror.js @@ -1,23 +1,17 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE -// This is CodeMirror (http://codemirror.net), a code editor +// This is CodeMirror (https://codemirror.net), a code editor // implemented in JavaScript on top of the browser's DOM. // // You can find some technical background for some of the code below // at http://marijnhaverbeke.nl/blog/#cm-internals . -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - module.exports = mod(); - else if (typeof define == "function" && define.amd) // AMD - return define([], mod); - else // Plain browser env - (this || window).CodeMirror = mod(); -})(function() { - "use strict"; - - // BROWSER SNIFFING +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.CodeMirror = factory()); +}(this, (function () { 'use strict'; // Kludges for bugs and behavior differences that can't be feature // detected are enabled based on userAgent etc sniffing. @@ -27,108 +21,276 @@ var gecko = /gecko\/\d/i.test(userAgent); var ie_upto10 = /MSIE \d/.test(userAgent); var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); - var ie = ie_upto10 || ie_11up; - var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); - var webkit = /WebKit\//.test(userAgent); + var edge = /Edge\/(\d+)/.exec(userAgent); + var ie = ie_upto10 || ie_11up || edge; + var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]); + var webkit = !edge && /WebKit\//.test(userAgent); var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); - var chrome = /Chrome\//.test(userAgent); + var chrome = !edge && /Chrome\//.test(userAgent); var presto = /Opera\//.test(userAgent); var safari = /Apple Computer/.test(navigator.vendor); var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); var phantom = /PhantomJS/.test(userAgent); - var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); + var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); + var android = /Android/.test(userAgent); // This is woefully incomplete. Suggestions for alternative methods welcome. - var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); + var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); var mac = ios || /Mac/.test(platform); var chromeOS = /\bCrOS\b/.test(userAgent); var windows = /win/i.test(platform); var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); - if (presto_version) presto_version = Number(presto_version[1]); + if (presto_version) { presto_version = Number(presto_version[1]); } if (presto_version && presto_version >= 15) { presto = false; webkit = true; } // Some browsers use the wrong event properties to signal cmd/ctrl on OS X var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); var captureRightClick = gecko || (ie && ie_version >= 9); - // Optimize some code when these features are not used. - var sawReadOnlySpans = false, sawCollapsedSpans = false; + function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } - // EDITOR CONSTRUCTOR + var rmClass = function(node, cls) { + var current = node.className; + var match = classTest(cls).exec(current); + if (match) { + var after = current.slice(match.index + match[0].length); + node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + } + }; - // A CodeMirror instance represents an editor. This is the object - // that user code is usually dealing with. + function removeChildren(e) { + for (var count = e.childNodes.length; count > 0; --count) + { e.removeChild(e.firstChild); } + return e + } - function CodeMirror(place, options) { - if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); + function removeChildrenAndAdd(parent, e) { + return removeChildren(parent).appendChild(e) + } - this.options = options = options ? copyObj(options) : {}; - // Determine effective options based on given values and defaults. - copyObj(defaults, options, false); - setGuttersForLineNumbers(options); + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) { e.className = className; } + if (style) { e.style.cssText = style; } + if (typeof content == "string") { e.appendChild(document.createTextNode(content)); } + else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } } + return e + } + // wrapper for elt, which removes the elt from the accessibility tree + function eltP(tag, content, className, style) { + var e = elt(tag, content, className, style); + e.setAttribute("role", "presentation"); + return e + } - var doc = options.value; - if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); - this.doc = doc; + var range; + if (document.createRange) { range = function(node, start, end, endNode) { + var r = document.createRange(); + r.setEnd(endNode || node, end); + r.setStart(node, start); + return r + }; } + else { range = function(node, start, end) { + var r = document.body.createTextRange(); + try { r.moveToElementText(node.parentNode); } + catch(e) { return r } + r.collapse(true); + r.moveEnd("character", end); + r.moveStart("character", start); + return r + }; } - var input = new CodeMirror.inputStyles[options.inputStyle](this); - var display = this.display = new Display(place, doc, input); - display.wrapper.CodeMirror = this; - updateGutters(this); - themeChanged(this); - if (options.lineWrapping) - this.display.wrapper.className += " CodeMirror-wrap"; - if (options.autofocus && !mobile) display.input.focus(); - initScrollbars(this); + function contains(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + { child = child.parentNode; } + if (parent.contains) + { return parent.contains(child) } + do { + if (child.nodeType == 11) { child = child.host; } + if (child == parent) { return true } + } while (child = child.parentNode) + } - this.state = { - keyMaps: [], // stores maps added by addKeyMap - overlays: [], // highlighting overlays, as added by addOverlay - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info - overwrite: false, - delayingBlurEvent: false, - focused: false, - suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll - selectingText: false, - draggingText: false, - highlight: new Delayed(), // stores highlight worker timeout - keySeq: null, // Unfinished key sequence - specialChars: null - }; + function activeElt() { + // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. + // IE < 10 will throw when accessed while the page is loading or in an iframe. + // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. + var activeElement; + try { + activeElement = document.activeElement; + } catch(e) { + activeElement = document.body || null; + } + while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement) + { activeElement = activeElement.shadowRoot.activeElement; } + return activeElement + } - var cm = this; + function addClass(node, cls) { + var current = node.className; + if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; } + } + function joinClasses(a, b) { + var as = a.split(" "); + for (var i = 0; i < as.length; i++) + { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } } + return b + } - // Override magic textarea content restore that IE sometimes does - // on our hidden textarea on reload - if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); + var selectInput = function(node) { node.select(); }; + if (ios) // Mobile Safari apparently has a bug where select() is broken. + { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; } + else if (ie) // Suppress mysterious IE10 errors + { selectInput = function(node) { try { node.select(); } catch(_e) {} }; } - registerEventHandlers(this); - ensureGlobalHandlers(); + function bind(f) { + var args = Array.prototype.slice.call(arguments, 1); + return function(){return f.apply(null, args)} + } - startOperation(this); - this.curOp.forceUpdate = true; - attachDoc(this, doc); + function copyObj(obj, target, overwrite) { + if (!target) { target = {}; } + for (var prop in obj) + { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + { target[prop] = obj[prop]; } } + return target + } - if ((options.autofocus && !mobile) || cm.hasFocus()) - setTimeout(bind(onFocus, this), 20); - else - onBlur(this); + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + function countColumn(string, end, tabSize, startIndex, startValue) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) { end = string.length; } + } + for (var i = startIndex || 0, n = startValue || 0;;) { + var nextTab = string.indexOf("\t", i); + if (nextTab < 0 || nextTab >= end) + { return n + (end - i) } + n += nextTab - i; + n += tabSize - (n % tabSize); + i = nextTab + 1; + } + } - for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) - optionHandlers[opt](this, options[opt], Init); - maybeUpdateLineNumberWidth(this); - if (options.finishInit) options.finishInit(this); - for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); - endOperation(this); - // Suppress optimizelegibility in Webkit, since it breaks text - // measuring on line wrapping boundaries. - if (webkit && options.lineWrapping && - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") - display.lineDiv.style.textRendering = "auto"; + var Delayed = function() {this.id = null;}; + Delayed.prototype.set = function (ms, f) { + clearTimeout(this.id); + this.id = setTimeout(f, ms); + }; + + function indexOf(array, elt) { + for (var i = 0; i < array.length; ++i) + { if (array[i] == elt) { return i } } + return -1 + } + + // Number of pixels added to scroller and sizer to hide scrollbar + var scrollerGap = 30; + + // Returned or thrown by various protocols to signal 'I'm not + // handling this'. + var Pass = {toString: function(){return "CodeMirror.Pass"}}; + + // Reused option objects for setSelection & friends + var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + + // The inverse of countColumn -- find the offset that corresponds to + // a particular column. + function findColumn(string, goal, tabSize) { + for (var pos = 0, col = 0;;) { + var nextTab = string.indexOf("\t", pos); + if (nextTab == -1) { nextTab = string.length; } + var skipped = nextTab - pos; + if (nextTab == string.length || col + skipped >= goal) + { return pos + Math.min(skipped, goal - col) } + col += nextTab - pos; + col += tabSize - (col % tabSize); + pos = nextTab + 1; + if (col >= goal) { return pos } + } + } + + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + { spaceStrs.push(lst(spaceStrs) + " "); } + return spaceStrs[n] + } + + function lst(arr) { return arr[arr.length-1] } + + function map(array, f) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); } + return out + } + + function insertSorted(array, value, score) { + var pos = 0, priority = score(value); + while (pos < array.length && score(array[pos]) <= priority) { pos++; } + array.splice(pos, 0, value); + } + + function nothing() {} + + function createObj(base, props) { + var inst; + if (Object.create) { + inst = Object.create(base); + } else { + nothing.prototype = base; + inst = new nothing(); + } + if (props) { copyObj(props, inst); } + return inst + } + + var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + function isWordCharBasic(ch) { + return /\w/.test(ch) || ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) + } + function isWordChar(ch, helper) { + if (!helper) { return isWordCharBasic(ch) } + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } + return helper.test(ch) + } + + function isEmpty(obj) { + for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } + return true + } + + // Extending unicode characters. A series of a non-extending char + + // any number of extending chars is treated as a single unit as far + // as editing and measuring is concerned. This is not fully correct, + // since some scripts/fonts/browsers also treat other configurations + // of code points as a group. + var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; + function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } + + // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range. + function skipExtendingChars(str, pos, dir) { + while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; } + return pos } - // DISPLAY CONSTRUCTOR + // Returns the value from the range [`from`; `to`] that satisfies + // `pred` and is closest to `from`. Assumes that at least `to` + // satisfies `pred`. Supports `from` being greater than `to`. + function findFirst(pred, from, to) { + // At any point we are certain `to` satisfies `pred`, don't know + // whether `from` does. + var dir = from > to ? -1 : 1; + for (;;) { + if (from == to) { return from } + var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF); + if (mid == from) { return pred(mid) ? from : to } + if (pred(mid)) { to = mid; } + else { from = mid + dir; } + } + } // The display handles the DOM integration, both for input reading // and content drawing. It holds references to DOM nodes and @@ -146,7 +308,7 @@ d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); d.gutterFiller.setAttribute("cm-not-content", "true"); // Will contain the actual code, positioned to cover the viewport. - d.lineDiv = elt("div", null, "CodeMirror-code"); + d.lineDiv = eltP("div", null, "CodeMirror-code"); // Elements are added to these to represent selection and cursors. d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); d.cursorDiv = elt("div", null, "CodeMirror-cursors"); @@ -155,10 +317,11 @@ // When lines outside of the viewport are measured, they are drawn in this. d.lineMeasure = elt("div", null, "CodeMirror-measure"); // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], null, "position: relative; outline: none"); + var lines = eltP("div", [d.lineSpace], "CodeMirror-lines"); // Moved around its parent to cover visible view. - d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); + d.mover = elt("div", [lines], null, "position: relative"); // Set to the height of the document, allowing scrolling. d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); d.sizerWidth = null; @@ -177,11 +340,11 @@ // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } - if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; + if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; } if (place) { - if (place.appendChild) place.appendChild(d.wrapper); - else place(d.wrapper); + if (place.appendChild) { place.appendChild(d.wrapper); } + else { place(d.wrapper); } } // Current rendered range (may be bigger than the view window). @@ -232,109 +395,488 @@ input.init(d); } - // STATE UPDATES + // Find the line object corresponding to the given line number. + function getLine(doc, n) { + n -= doc.first; + if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } + var chunk = doc; + while (!chunk.lines) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break } + n -= sz; + } + } + return chunk.lines[n] + } - // Used to get the editor into a consistent state again when options change. + // Get the part of a document between two positions, as an array of + // strings. + function getBetween(doc, start, end) { + var out = [], n = start.line; + doc.iter(start.line, end.line + 1, function (line) { + var text = line.text; + if (n == end.line) { text = text.slice(0, end.ch); } + if (n == start.line) { text = text.slice(start.ch); } + out.push(text); + ++n; + }); + return out + } + // Get the lines between from and to, as array of strings. + function getLines(doc, from, to) { + var out = []; + doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value + return out + } - function loadMode(cm) { - cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); - resetModeState(cm); + // Update the height of a line, propagating the height change + // upwards to parent nodes. + function updateLineHeight(line, height) { + var diff = height - line.height; + if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } } } - function resetModeState(cm) { - cm.doc.iter(function(line) { - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - }); - cm.doc.frontier = cm.doc.first; - startWorker(cm, 100); - cm.state.modeGen++; - if (cm.curOp) regChange(cm); + // Given a line object, find its line number by walking up through + // its parent links. + function lineNo(line) { + if (line.parent == null) { return null } + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0;; ++i) { + if (chunk.children[i] == cur) { break } + no += chunk.children[i].chunkSize(); + } + } + return no + cur.first } - function wrappingChanged(cm) { - if (cm.options.lineWrapping) { - addClass(cm.display.wrapper, "CodeMirror-wrap"); - cm.display.sizer.style.minWidth = ""; - cm.display.sizerWidth = null; - } else { - rmClass(cm.display.wrapper, "CodeMirror-wrap"); - findMaxLine(cm); + // Find the line at the given vertical position, using the height + // information in the document tree. + function lineAtHeight(chunk, h) { + var n = chunk.first; + outer: do { + for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { + var child = chunk.children[i$1], ch = child.height; + if (h < ch) { chunk = child; continue outer } + h -= ch; + n += child.chunkSize(); + } + return n + } while (!chunk.lines) + var i = 0; + for (; i < chunk.lines.length; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) { break } + h -= lh; } - estimateLineHeights(cm); - regChange(cm); - clearCaches(cm); - setTimeout(function(){updateScrollbars(cm);}, 100); + return n + i } - // Returns a function that estimates the height of a line, to use as - // first approximation until the line becomes visible (and is thus - // properly measurable). - function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); - return function(line) { - if (lineIsHidden(cm.doc, line)) return 0; + function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} - var widgetsHeight = 0; - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) { - if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; + function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)) + } + + // A Pos instance represents a position within the text. + function Pos(line, ch, sticky) { + if ( sticky === void 0 ) sticky = null; + + if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) } + this.line = line; + this.ch = ch; + this.sticky = sticky; + } + + // Compare two positions, return 0 if they are the same, a negative + // number when a is less, and a positive number otherwise. + function cmp(a, b) { return a.line - b.line || a.ch - b.ch } + + function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 } + + function copyPos(x) {return Pos(x.line, x.ch)} + function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } + function minPos(a, b) { return cmp(a, b) < 0 ? a : b } + + // Most of the external API clips given positions to make sure they + // actually exist within the document. + function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} + function clipPos(doc, pos) { + if (pos.line < doc.first) { return Pos(doc.first, 0) } + var last = doc.first + doc.size - 1; + if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } + return clipToLen(pos, getLine(doc, pos.line).text.length) + } + function clipToLen(pos, linelen) { + var ch = pos.ch; + if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } + else if (ch < 0) { return Pos(pos.line, 0) } + else { return pos } + } + function clipPosArray(doc, array) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); } + return out + } + + // Optimize some code when these features are not used. + var sawReadOnlySpans = false, sawCollapsedSpans = false; + + function seeReadOnlySpans() { + sawReadOnlySpans = true; + } + + function seeCollapsedSpans() { + sawCollapsedSpans = true; + } + + // TEXTMARKER SPANS + + function MarkedSpan(marker, from, to) { + this.marker = marker; + this.from = from; this.to = to; + } + + // Search an array of spans for a span matching the given marker. + function getMarkedSpanFor(spans, marker) { + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) { return span } + } } + } + // Remove a span from an array, returning undefined if no spans are + // left (we don't store arrays for lines without spans). + function removeMarkedSpan(spans, span) { + var r; + for (var i = 0; i < spans.length; ++i) + { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } } + return r + } + // Add a span to a line. + function addMarkedSpan(line, span) { + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; + span.marker.attachLine(line); + } + + // Used for the algorithm that adjusts markers for a change in the + // document. These functions cut an array of spans at a given + // character position, returning an array of remaining chunks (or + // undefined if nothing remains). + function markedSpansBefore(old, startCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); + } + } } + return nw + } + function markedSpansAfter(old, endCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh)); } + } } + return nw + } - if (wrapping) - return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th; - else - return widgetsHeight + th; - }; + // Given a change object, compute the new set of marker spans that + // cover the line in which the change took place. Removes spans + // entirely within the change, reconnects spans belonging to the + // same marker that appear on both sides of the change, and cuts off + // spans partially within the change. Returns an array of span + // arrays with one element for each line in (after) the change. + function stretchSpansOverChange(doc, change) { + if (change.full) { return null } + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; + if (!oldFirst && !oldLast) { return null } + + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh, isInsert); + var last = markedSpansAfter(oldLast, endCh, isInsert); + + // Next, merge those two ends + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) { span.to = startCh; } + else if (sameLine) { span.to = found.to == null ? null : found.to + offset; } + } + } + } + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i$1 = 0; i$1 < last.length; ++i$1) { + var span$1 = last[i$1]; + if (span$1.to != null) { span$1.to += offset; } + if (span$1.from == null) { + var found$1 = getMarkedSpanFor(first, span$1.marker); + if (!found$1) { + span$1.from = offset; + if (sameLine) { (first || (first = [])).push(span$1); } + } + } else { + span$1.from += offset; + if (sameLine) { (first || (first = [])).push(span$1); } + } + } + } + // Make sure we didn't create any zero-length spans + if (first) { first = clearEmptySpans(first); } + if (last && last != first) { last = clearEmptySpans(last); } + + var newMarkers = [first]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = change.text.length - 2, gapMarkers; + if (gap > 0 && first) + { for (var i$2 = 0; i$2 < first.length; ++i$2) + { if (first[i$2].to == null) + { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } } + for (var i$3 = 0; i$3 < gap; ++i$3) + { newMarkers.push(gapMarkers); } + newMarkers.push(last); + } + return newMarkers } - function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm); - doc.iter(function(line) { - var estHeight = est(line); - if (estHeight != line.height) updateLineHeight(line, estHeight); + // Remove spans that are empty and don't have a clearWhenEmpty + // option of false. + function clearEmptySpans(spans) { + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + { spans.splice(i--, 1); } + } + if (!spans.length) { return null } + return spans + } + + // Used to 'clip' out readOnly ranges when making a change. + function removeReadOnlyRanges(doc, from, to) { + var markers = null; + doc.iter(from.line, to.line + 1, function (line) { + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker; + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + { (markers || (markers = [])).push(mark); } + } } }); + if (!markers) { return null } + var parts = [{from: from, to: to}]; + for (var i = 0; i < markers.length; ++i) { + var mk = markers[i], m = mk.find(0); + for (var j = 0; j < parts.length; ++j) { + var p = parts[j]; + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) + { newParts.push({from: p.from, to: m.from}); } + if (dto > 0 || !mk.inclusiveRight && !dto) + { newParts.push({from: m.to, to: p.to}); } + parts.splice.apply(parts, newParts); + j += newParts.length - 3; + } + } + return parts } - function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - clearCaches(cm); + // Connect or disconnect spans from a line. + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.detachLine(line); } + line.markedSpans = null; + } + function attachMarkedSpans(line, spans) { + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.attachLine(line); } + line.markedSpans = spans; } - function guttersChanged(cm) { - updateGutters(cm); - regChange(cm); - setTimeout(function(){alignHorizontally(cm);}, 20); + // Helpers used when computing which overlapping collapsed span + // counts as the larger one. + function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } + function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } + + // Returns a number indicating which of two overlapping collapsed + // spans is larger (and thus includes the other). Falls back to + // comparing ids when the spans cover exactly the same range. + function compareCollapsedMarkers(a, b) { + var lenDiff = a.lines.length - b.lines.length; + if (lenDiff != 0) { return lenDiff } + var aPos = a.find(), bPos = b.find(); + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); + if (fromCmp) { return -fromCmp } + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); + if (toCmp) { return toCmp } + return b.id - a.id } - // Rebuild the gutter elements, ensure the margin to the left of the - // code matches their width. - function updateGutters(cm) { - var gutters = cm.display.gutters, specs = cm.options.gutters; - removeChildren(gutters); - for (var i = 0; i < specs.length; ++i) { - var gutterClass = specs[i]; - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); - if (gutterClass == "CodeMirror-linenumbers") { - cm.display.lineGutter = gElt; - gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; - } + // Find out whether a line ends or starts in a collapsed span. If + // so, return the marker for that span. + function collapsedSpanAtSide(line, start) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) + { found = sp.marker; } + } } + return found + } + function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } + function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } + + function collapsedSpanAround(line, ch) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; } + } } + return found + } + + // Test whether there exists a collapsed span that partially + // overlaps (covers the start or end, but not both) of a new span. + // Such overlap is not allowed. + function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) { + var line = getLine(doc, lineNo$$1); + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (!sp.marker.collapsed) { continue } + var found = sp.marker.find(0); + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) + { return true } + } } + } + + // A visual line is a line as drawn on the screen. Folding, for + // example, can cause multiple logical lines to appear on the same + // visual line. This finds the start of the visual line that the + // given line is part of (usually that is the line itself). + function visualLine(line) { + var merged; + while (merged = collapsedSpanAtStart(line)) + { line = merged.find(-1, true).line; } + return line + } + + function visualLineEnd(line) { + var merged; + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return line + } + + // Returns an array of logical lines that continue the visual line + // started by the argument, or undefined if there are no such lines. + function visualLineContinued(line) { + var merged, lines; + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line + ;(lines || (lines = [])).push(line); } - gutters.style.display = i ? "" : "none"; - updateGutterSpace(cm); + return lines } - function updateGutterSpace(cm) { - var width = cm.display.gutters.offsetWidth; - cm.display.sizer.style.marginLeft = width + "px"; + // Get the line number of the start of the visual line that the + // given line number is part of. + function visualLineNo(doc, lineN) { + var line = getLine(doc, lineN), vis = visualLine(line); + if (line == vis) { return lineN } + return lineNo(vis) + } + + // Get the line number of the start of the next visual line after + // the given line. + function visualLineEndNo(doc, lineN) { + if (lineN > doc.lastLine()) { return lineN } + var line = getLine(doc, lineN), merged; + if (!lineIsHidden(doc, line)) { return lineN } + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return lineNo(line) + 1 + } + + // Compute whether a line is hidden. Lines count as hidden when they + // are part of a visual line that starts with another line, or when + // they are entirely covered by collapsed, non-widget span. + function lineIsHidden(doc, line) { + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (!sp.marker.collapsed) { continue } + if (sp.from == null) { return true } + if (sp.marker.widgetNode) { continue } + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) + { return true } + } } + } + function lineIsHiddenInner(doc, line, span) { + if (span.to == null) { + var end = span.marker.find(1, true); + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) + } + if (span.marker.inclusiveRight && span.to == line.text.length) + { return true } + for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { + sp = line.markedSpans[i]; + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp)) { return true } + } + } + + // Find the height above the given line. + function heightAtLine(lineObj) { + lineObj = visualLine(lineObj); + + var h = 0, chunk = lineObj.parent; + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i]; + if (line == lineObj) { break } + else { h += line.height; } + } + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { + for (var i$1 = 0; i$1 < p.children.length; ++i$1) { + var cur = p.children[i$1]; + if (cur == chunk) { break } + else { h += cur.height; } + } + } + return h } // Compute the character length of a line, taking into account // collapsed ranges (see markText) that might hide parts, and join // other lines onto it. function lineLength(line) { - if (line.height == 0) return 0; + if (line.height == 0) { return 0 } var len = line.text.length, merged, cur = line; while (merged = collapsedSpanAtStart(cur)) { var found = merged.find(0, true); @@ -343,12 +885,12 @@ } cur = line; while (merged = collapsedSpanAtEnd(cur)) { - var found = merged.find(0, true); - len -= cur.text.length - found.from.ch; - cur = found.to.line; - len += cur.text.length - found.to.ch; + var found$1 = merged.find(0, true); + len -= cur.text.length - found$1.from.ch; + cur = found$1.to.line; + len += cur.text.length - found$1.to.ch; } - return len; + return len } // Find the longest line in the document. @@ -357,7 +899,7 @@ d.maxLine = getLine(doc, doc.first); d.maxLineLength = lineLength(d.maxLine); d.maxLineChanged = true; - doc.iter(function(line) { + doc.iter(function (line) { var len = lineLength(line); if (len > d.maxLineLength) { d.maxLineLength = len; @@ -366,528 +908,1270 @@ }); } - // Make sure the gutters options contains the element - // "CodeMirror-linenumbers" when the lineNumbers option is true. - function setGuttersForLineNumbers(options) { - var found = indexOf(options.gutters, "CodeMirror-linenumbers"); - if (found == -1 && options.lineNumbers) { - options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); - } else if (found > -1 && !options.lineNumbers) { - options.gutters = options.gutters.slice(0); - options.gutters.splice(found, 1); + // BIDI HELPERS + + function iterateBidiSections(order, from, to, f) { + if (!order) { return f(from, to, "ltr", 0) } + var found = false; + for (var i = 0; i < order.length; ++i) { + var part = order[i]; + if (part.from < to && part.to > from || from == to && part.to == from) { + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i); + found = true; + } } + if (!found) { f(from, to, "ltr"); } } - // SCROLLBARS - - // Prepare DOM reads needed to update the scrollbars. Done in one - // shot to minimize update/measure roundtrips. - function measureForScrollbars(cm) { - var d = cm.display, gutterW = d.gutters.offsetWidth; - var docH = Math.round(cm.doc.height + paddingVert(cm.display)); - return { - clientHeight: d.scroller.clientHeight, - viewHeight: d.wrapper.clientHeight, - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, - viewWidth: d.wrapper.clientWidth, - barLeft: cm.options.fixedGutter ? gutterW : 0, - docHeight: docH, - scrollHeight: docH + scrollGap(cm) + d.barHeight, - nativeBarWidth: d.nativeBarWidth, - gutterWidth: gutterW - }; + var bidiOther = null; + function getBidiPartAt(order, ch, sticky) { + var found; + bidiOther = null; + for (var i = 0; i < order.length; ++i) { + var cur = order[i]; + if (cur.from < ch && cur.to > ch) { return i } + if (cur.to == ch) { + if (cur.from != cur.to && sticky == "before") { found = i; } + else { bidiOther = i; } + } + if (cur.from == ch) { + if (cur.from != cur.to && sticky != "before") { found = i; } + else { bidiOther = i; } + } + } + return found != null ? found : bidiOther } - function NativeScrollbars(place, scroll, cm) { - this.cm = cm; - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); - place(vert); place(horiz); + // Bidirectional ordering algorithm + // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm + // that this (partially) implements. - on(vert, "scroll", function() { - if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); - }); - on(horiz, "scroll", function() { - if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); - }); + // One-char codes used for character types: + // L (L): Left-to-Right + // R (R): Right-to-Left + // r (AL): Right-to-Left Arabic + // 1 (EN): European Number + // + (ES): European Number Separator + // % (ET): European Number Terminator + // n (AN): Arabic Number + // , (CS): Common Number Separator + // m (NSM): Non-Spacing Mark + // b (BN): Boundary Neutral + // s (B): Paragraph Separator + // t (S): Segment Separator + // w (WS): Whitespace + // N (ON): Other Neutrals - this.checkedZeroWidth = false; - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; - } - - NativeScrollbars.prototype = copyObj({ - update: function(measure) { - var needsH = measure.scrollWidth > measure.clientWidth + 1; - var needsV = measure.scrollHeight > measure.clientHeight + 1; - var sWidth = measure.nativeBarWidth; - - if (needsV) { - this.vert.style.display = "block"; - this.vert.style.bottom = needsH ? sWidth + "px" : "0"; - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); - // A bug in IE8 can cause this value to be negative, so guard it. - this.vert.firstChild.style.height = - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; - } else { - this.vert.style.display = ""; - this.vert.firstChild.style.height = "0"; + // Returns null if characters are ordered as they appear + // (left-to-right), or an array of sections ({from, to, level} + // objects) in the order in which they occur visually. + var bidiOrdering = (function() { + // Character types for codepoints 0 to 0xff + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; + // Character types for codepoints 0x600 to 0x6f9 + var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"; + function charType(code) { + if (code <= 0xf7) { return lowTypes.charAt(code) } + else if (0x590 <= code && code <= 0x5f4) { return "R" } + else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } + else if (0x6ee <= code && code <= 0x8ac) { return "r" } + else if (0x2000 <= code && code <= 0x200b) { return "w" } + else if (code == 0x200c) { return "b" } + else { return "L" } + } + + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + + function BidiSpan(level, from, to) { + this.level = level; + this.from = from; this.to = to; + } + + return function(str, direction) { + var outerType = direction == "ltr" ? "L" : "R"; + + if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false } + var len = str.length, types = []; + for (var i = 0; i < len; ++i) + { types.push(charType(str.charCodeAt(i))); } + + // W1. Examine each non-spacing mark (NSM) in the level run, and + // change the type of the NSM to the type of the previous + // character. If the NSM is at the start of the level run, it will + // get the type of sor. + for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { + var type = types[i$1]; + if (type == "m") { types[i$1] = prev; } + else { prev = type; } } - if (needsH) { - this.horiz.style.display = "block"; - this.horiz.style.right = needsV ? sWidth + "px" : "0"; - this.horiz.style.left = measure.barLeft + "px"; - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); - this.horiz.firstChild.style.width = - (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; - } else { - this.horiz.style.display = ""; - this.horiz.firstChild.style.width = "0"; + // W2. Search backwards from each instance of a European number + // until the first strong type (R, L, AL, or sor) is found. If an + // AL is found, change the type of the European number to Arabic + // number. + // W3. Change all ALs to R. + for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { + var type$1 = types[i$2]; + if (type$1 == "1" && cur == "r") { types[i$2] = "n"; } + else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } } } - if (!this.checkedZeroWidth && measure.clientHeight > 0) { - if (sWidth == 0) this.zeroWidthHack(); - this.checkedZeroWidth = true; + // W4. A single European separator between two European numbers + // changes to a European number. A single common separator between + // two numbers of the same type changes to that type. + for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { + var type$2 = types[i$3]; + if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; } + else if (type$2 == "," && prev$1 == types[i$3+1] && + (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; } + prev$1 = type$2; } - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; - }, - setScrollLeft: function(pos) { - if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; - if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz); - }, - setScrollTop: function(pos) { - if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; - if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert); - }, - zeroWidthHack: function() { - var w = mac && !mac_geMountainLion ? "12px" : "18px"; - this.horiz.style.height = this.vert.style.width = w; - this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; - this.disableHoriz = new Delayed; - this.disableVert = new Delayed; - }, - enableZeroWidthBar: function(bar, delay) { - bar.style.pointerEvents = "auto"; - function maybeDisable() { - // To find out whether the scrollbar is still visible, we - // check whether the element under the pixel in the bottom - // left corner of the scrollbar box is the scrollbar box - // itself (when the bar is still visible) or its filler child - // (when the bar is hidden). If it is still visible, we keep - // it enabled, if it's hidden, we disable pointer events. - var box = bar.getBoundingClientRect(); - var elt = document.elementFromPoint(box.left + 1, box.bottom - 1); - if (elt != bar) bar.style.pointerEvents = "none"; - else delay.set(1000, maybeDisable); - } - delay.set(1000, maybeDisable); - }, - clear: function() { - var parent = this.horiz.parentNode; - parent.removeChild(this.horiz); - parent.removeChild(this.vert); + // W5. A sequence of European terminators adjacent to European + // numbers changes to all European numbers. + // W6. Otherwise, separators and terminators change to Other + // Neutral. + for (var i$4 = 0; i$4 < len; ++i$4) { + var type$3 = types[i$4]; + if (type$3 == ",") { types[i$4] = "N"; } + else if (type$3 == "%") { + var end = (void 0); + for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} + var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; + for (var j = i$4; j < end; ++j) { types[j] = replace; } + i$4 = end - 1; + } + } + + // W7. Search backwards from each instance of a European number + // until the first strong type (R, L, or sor) is found. If an L is + // found, then change the type of the European number to L. + for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { + var type$4 = types[i$5]; + if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; } + else if (isStrong.test(type$4)) { cur$1 = type$4; } + } + + // N1. A sequence of neutrals takes the direction of the + // surrounding strong text if the text on both sides has the same + // direction. European and Arabic numbers act as if they were R in + // terms of their influence on neutrals. Start-of-level-run (sor) + // and end-of-level-run (eor) are used at level run boundaries. + // N2. Any remaining neutrals take the embedding direction. + for (var i$6 = 0; i$6 < len; ++i$6) { + if (isNeutral.test(types[i$6])) { + var end$1 = (void 0); + for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} + var before = (i$6 ? types[i$6-1] : outerType) == "L"; + var after = (end$1 < len ? types[end$1] : outerType) == "L"; + var replace$1 = before == after ? (before ? "L" : "R") : outerType; + for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; } + i$6 = end$1 - 1; + } + } + + // Here we depart from the documented algorithm, in order to avoid + // building up an actual levels array. Since there are only three + // levels (0, 1, 2) in an implementation that doesn't take + // explicit embedding into account, we can build up the order on + // the fly, without following the level-based algorithm. + var order = [], m; + for (var i$7 = 0; i$7 < len;) { + if (countsAsLeft.test(types[i$7])) { + var start = i$7; + for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} + order.push(new BidiSpan(0, start, i$7)); + } else { + var pos = i$7, at = order.length; + for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} + for (var j$2 = pos; j$2 < i$7;) { + if (countsAsNum.test(types[j$2])) { + if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); } + var nstart = j$2; + for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} + order.splice(at, 0, new BidiSpan(2, nstart, j$2)); + pos = j$2; + } else { ++j$2; } + } + if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); } + } + } + if (direction == "ltr") { + if (order[0].level == 1 && (m = str.match(/^\s+/))) { + order[0].from = m[0].length; + order.unshift(new BidiSpan(0, 0, m[0].length)); + } + if (lst(order).level == 1 && (m = str.match(/\s+$/))) { + lst(order).to -= m[0].length; + order.push(new BidiSpan(0, len - m[0].length, len)); + } + } + + return direction == "rtl" ? order.reverse() : order } - }, NativeScrollbars.prototype); + })(); - function NullScrollbars() {} + // Get the bidi ordering for the given line (and cache it). Returns + // false for lines that are fully left-to-right, and an array of + // BidiSpan objects otherwise. + function getOrder(line, direction) { + var order = line.order; + if (order == null) { order = line.order = bidiOrdering(line.text, direction); } + return order + } - NullScrollbars.prototype = copyObj({ - update: function() { return {bottom: 0, right: 0}; }, - setScrollLeft: function() {}, - setScrollTop: function() {}, - clear: function() {} - }, NullScrollbars.prototype); + // EVENT HANDLING - CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + // Lightweight event framework. on/off also work on DOM nodes, + // registering native DOM handlers. - function initScrollbars(cm) { - if (cm.display.scrollbars) { - cm.display.scrollbars.clear(); - if (cm.display.scrollbars.addClass) - rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); + var noHandlers = []; + + var on = function(emitter, type, f) { + if (emitter.addEventListener) { + emitter.addEventListener(type, f, false); + } else if (emitter.attachEvent) { + emitter.attachEvent("on" + type, f); + } else { + var map$$1 = emitter._handlers || (emitter._handlers = {}); + map$$1[type] = (map$$1[type] || noHandlers).concat(f); } + }; - cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); - // Prevent clicks in the scrollbars from killing focus - on(node, "mousedown", function() { - if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); - }); - node.setAttribute("cm-not-content", "true"); - }, function(pos, axis) { - if (axis == "horizontal") setScrollLeft(cm, pos); - else setScrollTop(cm, pos); - }, cm); - if (cm.display.scrollbars.addClass) - addClass(cm.display.wrapper, cm.display.scrollbars.addClass); + function getHandlers(emitter, type) { + return emitter._handlers && emitter._handlers[type] || noHandlers } - function updateScrollbars(cm, measure) { - if (!measure) measure = measureForScrollbars(cm); - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; - updateScrollbarsInner(cm, measure); - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { - if (startWidth != cm.display.barWidth && cm.options.lineWrapping) - updateHeightsInViewport(cm); - updateScrollbarsInner(cm, measureForScrollbars(cm)); - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; + function off(emitter, type, f) { + if (emitter.removeEventListener) { + emitter.removeEventListener(type, f, false); + } else if (emitter.detachEvent) { + emitter.detachEvent("on" + type, f); + } else { + var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type]; + if (arr) { + var index = indexOf(arr, f); + if (index > -1) + { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); } + } } } - // Re-synchronize the fake scrollbars with the actual size of the - // content. - function updateScrollbarsInner(cm, measure) { - var d = cm.display; - var sizes = d.scrollbars.update(measure); + function signal(emitter, type /*, values...*/) { + var handlers = getHandlers(emitter, type); + if (!handlers.length) { return } + var args = Array.prototype.slice.call(arguments, 2); + for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); } + } - d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; - d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; - d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" + // The DOM events that CodeMirror handles can be overridden by + // registering a (non-DOM) handler on the editor for the event name, + // and preventDefault-ing the event in that handler. + function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; } + signal(cm, override || e.type, cm, e); + return e_defaultPrevented(e) || e.codemirrorIgnore + } - if (sizes.right && sizes.bottom) { - d.scrollbarFiller.style.display = "block"; - d.scrollbarFiller.style.height = sizes.bottom + "px"; - d.scrollbarFiller.style.width = sizes.right + "px"; - } else d.scrollbarFiller.style.display = ""; - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { - d.gutterFiller.style.display = "block"; - d.gutterFiller.style.height = sizes.bottom + "px"; - d.gutterFiller.style.width = measure.gutterWidth + "px"; - } else d.gutterFiller.style.display = ""; + function signalCursorActivity(cm) { + var arr = cm._handlers && cm._handlers.cursorActivity; + if (!arr) { return } + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); + for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) + { set.push(arr[i]); } } } - // Compute the lines that are visible in a given viewport (defaults - // the the current scroll position). viewport may contain top, - // height, and ensure (see op.scrollToPos) properties. - function visibleLines(display, doc, viewport) { - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; - top = Math.floor(top - paddingTop(display)); - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; + function hasHandler(emitter, type) { + return getHandlers(emitter, type).length > 0 + } - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); - // Ensure is a {from: {line, ch}, to: {line, ch}} object, and - // forces those lines into the viewport (if possible). - if (viewport && viewport.ensure) { - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; - if (ensureFrom < from) { - from = ensureFrom; - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); - } else if (Math.min(ensureTo, doc.lastLine()) >= to) { - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); - to = ensureTo; - } + // Add on and off methods to a constructor's prototype, to make + // registering events on such objects more convenient. + function eventMixin(ctor) { + ctor.prototype.on = function(type, f) {on(this, type, f);}; + ctor.prototype.off = function(type, f) {off(this, type, f);}; + } + + // Due to the fact that we still support jurassic IE versions, some + // compatibility wrappers are needed. + + function e_preventDefault(e) { + if (e.preventDefault) { e.preventDefault(); } + else { e.returnValue = false; } + } + function e_stopPropagation(e) { + if (e.stopPropagation) { e.stopPropagation(); } + else { e.cancelBubble = true; } + } + function e_defaultPrevented(e) { + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false + } + function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} + + function e_target(e) {return e.target || e.srcElement} + function e_button(e) { + var b = e.which; + if (b == null) { + if (e.button & 1) { b = 1; } + else if (e.button & 2) { b = 3; } + else if (e.button & 4) { b = 2; } } - return {from: from, to: Math.max(to, from + 1)}; + if (mac && e.ctrlKey && b == 1) { b = 3; } + return b } - // LINE NUMBERS + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie && ie_version < 9) { return false } + var div = elt('div'); + return "draggable" in div || "dragDrop" in div + }(); - // Re-align line numbers and gutter marks to compensate for - // horizontal scrolling. - function alignHorizontally(cm) { - var display = cm.display, view = display.view; - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; - var gutterW = display.gutters.offsetWidth, left = comp + "px"; - for (var i = 0; i < view.length; i++) if (!view[i].hidden) { - if (cm.options.fixedGutter && view[i].gutter) - view[i].gutter.style.left = left; - var align = view[i].alignable; - if (align) for (var j = 0; j < align.length; j++) - align[j].style.left = left; + var zwspSupported; + function zeroWidthElement(measure) { + if (zwspSupported == null) { + var test = elt("span", "\u200b"); + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); + if (measure.firstChild.offsetHeight != 0) + { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } } - if (cm.options.fixedGutter) - display.gutters.style.left = (comp + gutterW) + "px"; + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + node.setAttribute("cm-text", ""); + return node } - // Used to ensure that the line number gutter is still the right - // size for the current document size. Returns true when an update - // is needed. - function maybeUpdateLineNumberWidth(cm) { - if (!cm.options.lineNumbers) return false; - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; - if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")); - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; - display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; - display.lineNumWidth = display.lineNumInnerWidth + padding; - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; - display.lineGutter.style.width = display.lineNumWidth + "px"; - updateGutterSpace(cm); - return true; + // Feature-detect IE's crummy client rect reporting for bidi text + var badBidiRects; + function hasBadBidiRects(measure) { + if (badBidiRects != null) { return badBidiRects } + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); + var r0 = range(txt, 0, 1).getBoundingClientRect(); + var r1 = range(txt, 1, 2).getBoundingClientRect(); + removeChildren(measure); + if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) + return badBidiRects = (r1.right - r0.right < 3) + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) { nl = string.length; } + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } } - return false; + return result + } : function (string) { return string.split(/\r\n?|\n/); }; + + var hasSelection = window.getSelection ? function (te) { + try { return te.selectionStart != te.selectionEnd } + catch(e) { return false } + } : function (te) { + var range$$1; + try {range$$1 = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range$$1 || range$$1.parentElement() != te) { return false } + return range$$1.compareEndPoints("StartToEnd", range$$1) != 0 + }; + + var hasCopyEvent = (function () { + var e = elt("div"); + if ("oncopy" in e) { return true } + e.setAttribute("oncopy", "return;"); + return typeof e.oncopy == "function" + })(); + + var badZoomedRects = null; + function hasBadZoomedRects(measure) { + if (badZoomedRects != null) { return badZoomedRects } + var node = removeChildrenAndAdd(measure, elt("span", "x")); + var normal = node.getBoundingClientRect(); + var fromRange = range(node, 0, 1).getBoundingClientRect(); + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 } - function lineNumberFor(options, i) { - return String(options.lineNumberFormatter(i + options.firstLineNumber)); + // Known modes, by name and by MIME + var modes = {}, mimeModes = {}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + function defineMode(name, mode) { + if (arguments.length > 2) + { mode.dependencies = Array.prototype.slice.call(arguments, 2); } + modes[name] = mode; } - // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, - // but using getBoundingClientRect to get a sub-pixel-accurate - // result. - function compensateForHScroll(display) { - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; + function defineMIME(mime, spec) { + mimeModes[mime] = spec; } - // DISPLAY DRAWING + // Given a MIME type, a {name, ...options} config object, or a name + // string, return a mode config object. + function resolveMode(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { + spec = mimeModes[spec]; + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + var found = mimeModes[spec.name]; + if (typeof found == "string") { found = {name: found}; } + spec = createObj(found, spec); + spec.name = found.name; + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + return resolveMode("application/xml") + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { + return resolveMode("application/json") + } + if (typeof spec == "string") { return {name: spec} } + else { return spec || {name: "null"} } + } - function DisplayUpdate(cm, viewport, force) { - var display = cm.display; + // Given a mode spec (anything that resolveMode accepts), find and + // initialize an actual mode object. + function getMode(options, spec) { + spec = resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) { return getMode(options, "text/plain") } + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) { + if (!exts.hasOwnProperty(prop)) { continue } + if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; } + modeObj[prop] = exts[prop]; + } + } + modeObj.name = spec.name; + if (spec.helperType) { modeObj.helperType = spec.helperType; } + if (spec.modeProps) { for (var prop$1 in spec.modeProps) + { modeObj[prop$1] = spec.modeProps[prop$1]; } } - this.viewport = viewport; - // Store some values that we'll need later (but don't want to force a relayout for) - this.visible = visibleLines(display, cm.doc, viewport); - this.editorIsHidden = !display.wrapper.offsetWidth; - this.wrapperHeight = display.wrapper.clientHeight; - this.wrapperWidth = display.wrapper.clientWidth; - this.oldDisplayWidth = displayWidth(cm); - this.force = force; - this.dims = getDimensions(cm); - this.events = []; + return modeObj } - DisplayUpdate.prototype.signal = function(emitter, type) { - if (hasHandler(emitter, type)) - this.events.push(arguments); + // This can be used to attach properties to mode objects from + // outside the actual mode definition. + var modeExtensions = {}; + function extendMode(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + copyObj(properties, exts); + } + + function copyState(mode, state) { + if (state === true) { return state } + if (mode.copyState) { return mode.copyState(state) } + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) { val = val.concat([]); } + nstate[n] = val; + } + return nstate + } + + // Given a mode and a state (for that mode), find the inner mode and + // state at the position that the state refers to. + function innerMode(mode, state) { + var info; + while (mode.innerMode) { + info = mode.innerMode(state); + if (!info || info.mode == mode) { break } + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state} + } + + function startState(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true + } + + // STRING STREAM + + // Fed to the mode parsers, provides helper functions to make + // parsers more succinct. + + var StringStream = function(string, tabSize, lineOracle) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + this.lastColumnPos = this.lastColumnValue = 0; + this.lineStart = 0; + this.lineOracle = lineOracle; }; - DisplayUpdate.prototype.finish = function() { - for (var i = 0; i < this.events.length; i++) - signal.apply(null, this.events[i]); + + StringStream.prototype.eol = function () {return this.pos >= this.string.length}; + StringStream.prototype.sol = function () {return this.pos == this.lineStart}; + StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined}; + StringStream.prototype.next = function () { + if (this.pos < this.string.length) + { return this.string.charAt(this.pos++) } }; + StringStream.prototype.eat = function (match) { + var ch = this.string.charAt(this.pos); + var ok; + if (typeof match == "string") { ok = ch == match; } + else { ok = ch && (match.test ? match.test(ch) : match(ch)); } + if (ok) {++this.pos; return ch} + }; + StringStream.prototype.eatWhile = function (match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start + }; + StringStream.prototype.eatSpace = function () { + var this$1 = this; - function maybeClipScrollbars(cm) { - var display = cm.display; - if (!display.scrollbarsClipped && display.scroller.offsetWidth) { - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; - display.heightForcer.style.height = scrollGap(cm) + "px"; - display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; - display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; - display.scrollbarsClipped = true; + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; } + return this.pos > start + }; + StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;}; + StringStream.prototype.skipTo = function (ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true} + }; + StringStream.prototype.backUp = function (n) {this.pos -= n;}; + StringStream.prototype.column = function () { + if (this.lastColumnPos < this.start) { + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); + this.lastColumnPos = this.start; + } + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.indentation = function () { + return countColumn(this.string, null, this.tabSize) - + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.match = function (pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }; + var substr = this.string.substr(this.pos, pattern.length); + if (cased(substr) == cased(pattern)) { + if (consume !== false) { this.pos += pattern.length; } + return true + } + } else { + var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) { return null } + if (match && consume !== false) { this.pos += match[0].length; } + return match } + }; + StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)}; + StringStream.prototype.hideFirstChars = function (n, inner) { + this.lineStart += n; + try { return inner() } + finally { this.lineStart -= n; } + }; + StringStream.prototype.lookAhead = function (n) { + var oracle = this.lineOracle; + return oracle && oracle.lookAhead(n) + }; + StringStream.prototype.baseToken = function () { + var oracle = this.lineOracle; + return oracle && oracle.baseToken(this.pos) + }; + + var SavedContext = function(state, lookAhead) { + this.state = state; + this.lookAhead = lookAhead; + }; + + var Context = function(doc, state, line, lookAhead) { + this.state = state; + this.doc = doc; + this.line = line; + this.maxLookAhead = lookAhead || 0; + this.baseTokens = null; + this.baseTokenPos = 1; + }; + + Context.prototype.lookAhead = function (n) { + var line = this.doc.getLine(this.line + n); + if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; } + return line + }; + + Context.prototype.baseToken = function (n) { + var this$1 = this; + + if (!this.baseTokens) { return null } + while (this.baseTokens[this.baseTokenPos] <= n) + { this$1.baseTokenPos += 2; } + var type = this.baseTokens[this.baseTokenPos + 1]; + return {type: type && type.replace(/( |^)overlay .*/, ""), + size: this.baseTokens[this.baseTokenPos] - n} + }; + + Context.prototype.nextLine = function () { + this.line++; + if (this.maxLookAhead > 0) { this.maxLookAhead--; } + }; + + Context.fromSaved = function (doc, saved, line) { + if (saved instanceof SavedContext) + { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) } + else + { return new Context(doc, copyState(doc.mode, saved), line) } + }; + + Context.prototype.save = function (copy) { + var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state; + return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state + }; + + + // Compute a style array (an array starting with a mode generation + // -- for invalidation -- followed by pairs of end positions and + // style strings), which is used to highlight the tokens on the + // line. + function highlightLine(cm, line, context, forceToEnd) { + // A styles array always starts with a number identifying the + // mode/overlays that it is based on (for easy invalidation). + var st = [cm.state.modeGen], lineClasses = {}; + // Compute the base array of styles + runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); }, + lineClasses, forceToEnd); + var state = context.state; + + // Run overlays, adjust style array. + var loop = function ( o ) { + context.baseTokens = st; + var overlay = cm.state.overlays[o], i = 1, at = 0; + context.state = true; + runMode(cm, line.text, overlay.mode, context, function (end, style) { + var start = i; + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i]; + if (i_end > end) + { st.splice(i, 1, end, st[i+1], i_end); } + i += 2; + at = Math.min(end, i_end); + } + if (!style) { return } + if (overlay.opaque) { + st.splice(start, i - start, end, "overlay " + style); + i = start + 2; + } else { + for (; start < i; start += 2) { + var cur = st[start+1]; + st[start+1] = (cur ? cur + " " : "") + "overlay " + style; + } + } + }, lineClasses); + context.state = state; + context.baseTokens = null; + context.baseTokenPos = 1; + }; + + for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); + + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} } - // Does the actual updating of the line display. Bails out - // (returning false) when there is nothing to be done and forced is - // false. - function updateDisplayIfNeeded(cm, update) { - var display = cm.display, doc = cm.doc; + function getLineStyles(cm, line, updateFrontier) { + if (!line.styles || line.styles[0] != cm.state.modeGen) { + var context = getContextBefore(cm, lineNo(line)); + var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state); + var result = highlightLine(cm, line, context); + if (resetState) { context.state = resetState; } + line.stateAfter = context.save(!resetState); + line.styles = result.styles; + if (result.classes) { line.styleClasses = result.classes; } + else if (line.styleClasses) { line.styleClasses = null; } + if (updateFrontier === cm.doc.highlightFrontier) + { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); } + } + return line.styles + } - if (update.editorIsHidden) { - resetView(cm); - return false; + function getContextBefore(cm, n, precise) { + var doc = cm.doc, display = cm.display; + if (!doc.mode.startState) { return new Context(doc, true, n) } + var start = findStartLine(cm, n, precise); + var saved = start > doc.first && getLine(doc, start - 1).stateAfter; + var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start); + + doc.iter(start, n, function (line) { + processLine(cm, line.text, context); + var pos = context.line; + line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null; + context.nextLine(); + }); + if (precise) { doc.modeFrontier = context.line; } + return context + } + + // Lightweight form of highlight -- proceed over this line and + // update state, but don't save a style array. Used for lines that + // aren't currently visible. + function processLine(cm, text, context, startAt) { + var mode = cm.doc.mode; + var stream = new StringStream(text, cm.options.tabSize, context); + stream.start = stream.pos = startAt || 0; + if (text == "") { callBlankLine(mode, context.state); } + while (!stream.eol()) { + readToken(mode, stream, context.state); + stream.start = stream.pos; } + } - // Bail out if the visible area is already rendered and nothing changed. - if (!update.force && - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - display.renderedView == display.view && countDirtyView(cm) == 0) - return false; + function callBlankLine(mode, state) { + if (mode.blankLine) { return mode.blankLine(state) } + if (!mode.innerMode) { return } + var inner = innerMode(mode, state); + if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } + } - if (maybeUpdateLineNumberWidth(cm)) { - resetView(cm); - update.dims = getDimensions(cm); + function readToken(mode, stream, state, inner) { + for (var i = 0; i < 10; i++) { + if (inner) { inner[0] = innerMode(mode, state).mode; } + var style = mode.token(stream, state); + if (stream.pos > stream.start) { return style } } + throw new Error("Mode " + mode.name + " failed to advance stream.") + } - // Compute a suitable new viewport (from & to) - var end = doc.first + doc.size; - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); - var to = Math.min(end, update.visible.to + cm.options.viewportMargin); - if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); - if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); - if (sawCollapsedSpans) { - from = visualLineNo(cm.doc, from); - to = visualLineEndNo(cm.doc, to); + var Token = function(stream, type, state) { + this.start = stream.start; this.end = stream.pos; + this.string = stream.current(); + this.type = type || null; + this.state = state; + }; + + // Utility for getTokenAt and getLineTokens + function takeToken(cm, pos, precise, asArray) { + var doc = cm.doc, mode = doc.mode, style; + pos = clipPos(doc, pos); + var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize, context), tokens; + if (asArray) { tokens = []; } + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos; + style = readToken(mode, stream, context.state); + if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); } } + return asArray ? tokens : new Token(stream, style, context.state) + } - var different = from != display.viewFrom || to != display.viewTo || - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; - adjustView(cm, from, to); + function extractLineClasses(type, output) { + if (type) { for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); + if (!lineClass) { break } + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); + var prop = lineClass[1] ? "bgClass" : "textClass"; + if (output[prop] == null) + { output[prop] = lineClass[2]; } + else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) + { output[prop] += " " + lineClass[2]; } + } } + return type + } - display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); - // Position the mover div to align with the current scroll position - cm.display.mover.style.top = display.viewOffset + "px"; + // Run the given mode's parser over a line, calling f for each token. + function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) { + var flattenSpans = mode.flattenSpans; + if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; } + var curStart = 0, curStyle = null; + var stream = new StringStream(text, cm.options.tabSize, context), style; + var inner = cm.options.addModeClass && [null]; + if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); } + while (!stream.eol()) { + if (stream.pos > cm.options.maxHighlightLength) { + flattenSpans = false; + if (forceToEnd) { processLine(cm, text, context, stream.pos); } + stream.pos = text.length; + style = null; + } else { + style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses); + } + if (inner) { + var mName = inner[0].name; + if (mName) { style = "m-" + (style ? mName + " " + style : mName); } + } + if (!flattenSpans || curStyle != style) { + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 5000); + f(curStart, curStyle); + } + curStyle = style; + } + stream.start = stream.pos; + } + while (curStart < stream.pos) { + // Webkit seems to refuse to render text nodes longer than 57444 + // characters, and returns inaccurate measurements in nodes + // starting around 5000 chars. + var pos = Math.min(stream.pos, curStart + 5000); + f(pos, curStyle); + curStart = pos; + } + } - var toUpdate = countDirtyView(cm); - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) - return false; + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(cm, n, precise) { + var minindent, minline, doc = cm.doc; + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); + for (var search = n; search > lim; --search) { + if (search <= doc.first) { return doc.first } + var line = getLine(doc, search - 1), after = line.stateAfter; + if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier)) + { return search } + var indented = countColumn(line.text, null, cm.options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; + } + } + return minline + } - // For big changes, we hide the enclosing element during the - // update, since that speeds up the operations on most browsers. - var focused = activeElt(); - if (toUpdate > 4) display.lineDiv.style.display = "none"; - patchDisplay(cm, display.updateLineNumbers, update.dims); - if (toUpdate > 4) display.lineDiv.style.display = ""; - display.renderedView = display.view; - // There might have been a widget with a focused element that got - // hidden or updated, if so re-focus it. - if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); + function retreatFrontier(doc, n) { + doc.modeFrontier = Math.min(doc.modeFrontier, n); + if (doc.highlightFrontier < n - 10) { return } + var start = doc.first; + for (var line = n - 1; line > start; line--) { + var saved = getLine(doc, line).stateAfter; + // change is on 3 + // state on line 1 looked ahead 2 -- so saw 3 + // test 1 + 2 < 3 should cover this + if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) { + start = line + 1; + break + } + } + doc.highlightFrontier = Math.min(doc.highlightFrontier, start); + } - // Prevent selection and cursors from interfering with the scroll - // width and height. - removeChildren(display.cursorDiv); - removeChildren(display.selectionDiv); - display.gutters.style.height = display.sizer.style.minHeight = 0; + // LINE DATA STRUCTURE - if (different) { - display.lastWrapHeight = update.wrapperHeight; - display.lastWrapWidth = update.wrapperWidth; - startWorker(cm, 400); + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + var Line = function(text, markedSpans, estimateHeight) { + this.text = text; + attachMarkedSpans(this, markedSpans); + this.height = estimateHeight ? estimateHeight(this) : 1; + }; + + Line.prototype.lineNo = function () { return lineNo(this) }; + eventMixin(Line); + + // Change the content (text, markers) of a line. Automatically + // invalidates cached information and tries to re-estimate the + // line's height. + function updateLine(line, text, markedSpans, estimateHeight) { + line.text = text; + if (line.stateAfter) { line.stateAfter = null; } + if (line.styles) { line.styles = null; } + if (line.order != null) { line.order = null; } + detachMarkedSpans(line); + attachMarkedSpans(line, markedSpans); + var estHeight = estimateHeight ? estimateHeight(line) : 1; + if (estHeight != line.height) { updateLineHeight(line, estHeight); } + } + + // Detach a line from the document tree and its markers. + function cleanUpLine(line) { + line.parent = null; + detachMarkedSpans(line); + } + + // Convert a style as returned by a mode (either null, or a string + // containing one or more styles) to a CSS style. This is cached, + // and also looks for line-wide styles. + var styleToClassCache = {}, styleToClassCacheWithMode = {}; + function interpretTokenStyle(style, options) { + if (!style || /^\s*$/.test(style)) { return null } + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; + return cache[style] || + (cache[style] = style.replace(/\S+/g, "cm-$&")) + } + + // Render the DOM representation of the text of a line. Also builds + // up a 'line map', which points at the DOM nodes that represent + // specific stretches of text, and is used by the measuring code. + // The returned object contains the DOM node, this map, and + // information about line-wide styles that were set by the mode. + function buildLineContent(cm, lineView) { + // The padding-right forces the element to have a 'border', which + // is needed on Webkit to be able to get line-level bounding + // rectangles for it (in measureChar). + var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null); + var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + trailingSpace: false, + splitSpaces: cm.getOption("lineWrapping")}; + lineView.measure = {}; + + // Iterate over the logical lines that make up this visual line. + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { + var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0); + builder.pos = 0; + builder.addToken = buildToken; + // Optionally wire in some hacks into the token-rendering + // algorithm, to deal with browser quirks. + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction))) + { builder.addToken = buildTokenBadBidi(builder.addToken, order); } + builder.map = []; + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); + if (line.styleClasses) { + if (line.styleClasses.bgClass) + { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); } + if (line.styleClasses.textClass) + { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); } + } + + // Ensure at least a single node is present, for measuring. + if (builder.map.length == 0) + { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); } + + // Store the map and a cache object for the current logical line + if (i == 0) { + lineView.measure.map = builder.map; + lineView.measure.cache = {}; + } else { + (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) + ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}); + } } - display.updateLineNumbers = null; + // See issue #2901 + if (webkit) { + var last = builder.content.lastChild; + if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) + { builder.content.className = "cm-tab-wrap-hack"; } + } + + signal(cm, "renderLine", cm, lineView.line, builder.pre); + if (builder.pre.className) + { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); } - return true; + return builder } - function postUpdateDisplay(cm, update) { - var viewport = update.viewport; + function defaultSpecialCharPlaceholder(ch) { + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + ch.charCodeAt(0).toString(16); + token.setAttribute("aria-label", token.title); + return token + } - for (var first = true;; first = false) { - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { - // Clip forced viewport to actual scrollable area. - if (viewport && viewport.top != null) - viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; - // Updated line heights might result in the drawn area not - // actually covering the viewport. Keep looping until it does. - update.visible = visibleLines(cm.display, cm.doc, viewport); - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) - break; + // Build up the DOM representation for a single token, and add it to + // the line map. Takes care to render special characters separately. + function buildToken(builder, text, style, startStyle, endStyle, css, attributes) { + if (!text) { return } + var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text; + var special = builder.cm.state.specialChars, mustWrap = false; + var content; + if (!special.test(text)) { + builder.col += text.length; + content = document.createTextNode(displayText); + builder.map.push(builder.pos, builder.pos + text.length, content); + if (ie && ie_version < 9) { mustWrap = true; } + builder.pos += text.length; + } else { + content = document.createDocumentFragment(); + var pos = 0; + while (true) { + special.lastIndex = pos; + var m = special.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); } + else { content.appendChild(txt); } + builder.map.push(builder.pos, builder.pos + skipped, txt); + builder.col += skipped; + builder.pos += skipped; + } + if (!m) { break } + pos += skipped + 1; + var txt$1 = (void 0); + if (m[0] == "\t") { + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; + txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + txt$1.setAttribute("role", "presentation"); + txt$1.setAttribute("cm-text", "\t"); + builder.col += tabWidth; + } else if (m[0] == "\r" || m[0] == "\n") { + txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + txt$1.setAttribute("cm-text", m[0]); + builder.col += 1; + } else { + txt$1 = builder.cm.options.specialCharPlaceholder(m[0]); + txt$1.setAttribute("cm-text", m[0]); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); } + else { content.appendChild(txt$1); } + builder.col += 1; + } + builder.map.push(builder.pos, builder.pos + 1, txt$1); + builder.pos++; } - if (!updateDisplayIfNeeded(cm, update)) break; - updateHeightsInViewport(cm); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); } + builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32; + if (style || startStyle || endStyle || mustWrap || css) { + var fullStyle = style || ""; + if (startStyle) { fullStyle += startStyle; } + if (endStyle) { fullStyle += endStyle; } + var token = elt("span", [content], fullStyle, css); + if (attributes) { + for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class") + { token.setAttribute(attr, attributes[attr]); } } + } + return builder.content.appendChild(token) + } + builder.content.appendChild(content); + } - update.signal(cm, "update", cm); - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + // Change some spaces to NBSP to prevent the browser from collapsing + // trailing spaces at the end of a line when rendering text (issue #1362). + function splitSpaces(text, trailingBefore) { + if (text.length > 1 && !/ /.test(text)) { return text } + var spaceBefore = trailingBefore, result = ""; + for (var i = 0; i < text.length; i++) { + var ch = text.charAt(i); + if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) + { ch = "\u00a0"; } + result += ch; + spaceBefore = ch == " "; } + return result } - function updateDisplaySimple(cm, viewport) { - var update = new DisplayUpdate(cm, viewport); - if (updateDisplayIfNeeded(cm, update)) { - updateHeightsInViewport(cm); - postUpdateDisplay(cm, update); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); - update.finish(); + // Work around nonsense dimensions being reported for stretches of + // right-to-left text. + function buildTokenBadBidi(inner, order) { + return function (builder, text, style, startStyle, endStyle, css, attributes) { + style = style ? style + " cm-force-border" : "cm-force-border"; + var start = builder.pos, end = start + text.length; + for (;;) { + // Find the part that overlaps with the start of this text + var part = (void 0); + for (var i = 0; i < order.length; i++) { + part = order[i]; + if (part.to > start && part.from <= start) { break } + } + if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) } + inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes); + startStyle = null; + text = text.slice(part.to - start); + start = part.to; + } } } - function setDocumentHeight(cm, measure) { - cm.display.sizer.style.minHeight = measure.docHeight + "px"; - cm.display.heightForcer.style.top = measure.docHeight + "px"; - cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; + function buildCollapsedSpan(builder, size, marker, ignoreWidget) { + var widget = !ignoreWidget && marker.widgetNode; + if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); } + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + { widget = builder.content.appendChild(document.createElement("span")); } + widget.setAttribute("cm-marker", marker.id); + } + if (widget) { + builder.cm.display.input.setUneditable(widget); + builder.content.appendChild(widget); + } + builder.pos += size; + builder.trailingSpace = false; } - // Read the actual heights of the rendered lines, and update their - // stored heights to match. - function updateHeightsInViewport(cm) { - var display = cm.display; - var prevBottom = display.lineDiv.offsetTop; - for (var i = 0; i < display.view.length; i++) { - var cur = display.view[i], height; - if (cur.hidden) continue; - if (ie && ie_version < 8) { - var bot = cur.node.offsetTop + cur.node.offsetHeight; - height = bot - prevBottom; - prevBottom = bot; - } else { - var box = cur.node.getBoundingClientRect(); - height = box.bottom - box.top; + // Outputs a number of spans to make up a line, taking highlighting + // and marked text into account. + function insertLineContent(line, builder, styles) { + var spans = line.markedSpans, allText = line.text, at = 0; + if (!spans) { + for (var i$1 = 1; i$1 < styles.length; i$1+=2) + { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); } + return + } + + var len = allText.length, pos = 0, i = 1, text = "", style, css; + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes; + for (;;) { + if (nextChange == pos) { // Update current marker set + spanStyle = spanEndStyle = spanStartStyle = css = ""; + attributes = null; + collapsed = null; nextChange = Infinity; + var foundBookmarks = [], endStyles = (void 0); + for (var j = 0; j < spans.length; ++j) { + var sp = spans[j], m = sp.marker; + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m); + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to; + spanEndStyle = ""; + } + if (m.className) { spanStyle += " " + m.className; } + if (m.css) { css = (css ? css + ";" : "") + m.css; } + if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; } + if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); } + // support for the old title property + // https://github.com/codemirror/CodeMirror/pull/5673 + if (m.title) { (attributes || (attributes = {})).title = m.title; } + if (m.attributes) { + for (var attr in m.attributes) + { (attributes || (attributes = {}))[attr] = m.attributes[attr]; } + } + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + { collapsed = sp; } + } else if (sp.from > pos && nextChange > sp.from) { + nextChange = sp.from; + } + } + if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) + { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } } + + if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) + { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } } + if (collapsed && (collapsed.from || 0) == pos) { + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, collapsed.from == null); + if (collapsed.to == null) { return } + if (collapsed.to == pos) { collapsed = false; } + } } - var diff = cur.line.height - height; - if (height < 2) height = textHeight(display); - if (diff > .001 || diff < -.001) { - updateLineHeight(cur.line, height); - updateWidgetHeight(cur.line); - if (cur.rest) for (var j = 0; j < cur.rest.length; j++) - updateWidgetHeight(cur.rest[j]); + if (pos >= len) { break } + + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + if (!collapsed) { + var tokenText = end > upto ? text.slice(0, upto - pos) : text; + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes); + } + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} + pos = end; + spanStartStyle = ""; + } + text = allText.slice(at, at = styles[i++]); + style = interpretTokenStyle(styles[i++], builder.cm.options); } } } - // Read and store the height of line widgets associated with the - // given line. - function updateWidgetHeight(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) - line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; + + // These objects are used to represent the visible (currently drawn) + // part of the document. A LineView may correspond to multiple + // logical lines, if those are connected by collapsed ranges. + function LineView(doc, line, lineN) { + // The starting line + this.line = line; + // Continuing lines, if any + this.rest = visualLineContinued(line); + // Number of logical lines in this visual line + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; + this.node = this.text = null; + this.hidden = lineIsHidden(doc, line); } - // Do a bulk-read of the DOM positions and sizes needed to draw the - // view, so that we don't interleave reading and writing to the DOM. - function getDimensions(cm) { - var d = cm.display, left = {}, width = {}; - var gutterLeft = d.gutters.clientLeft; - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; - width[cm.options.gutters[i]] = n.clientWidth; + // Create a range of LineView objects for the given lines. + function buildViewArray(cm, from, to) { + var array = [], nextPos; + for (var pos = from; pos < to; pos = nextPos) { + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); + nextPos = pos + view.size; + array.push(view); } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth}; + return array } - // Sync the actual display DOM structure with display.view, removing - // nodes for lines that are no longer in view, and creating the ones - // that are not there yet, and updating the ones that are out of - // date. - function patchDisplay(cm, updateNumbersFrom, dims) { - var display = cm.display, lineNumbers = cm.options.lineNumbers; - var container = display.lineDiv, cur = container.firstChild; + var operationGroup = null; - function rm(node) { - var next = node.nextSibling; - // Works around a throw-scroll bug in OS X Webkit - if (webkit && mac && cm.display.currentWheelTarget == node) - node.style.display = "none"; - else - node.parentNode.removeChild(node); - return next; + function pushOperation(op) { + if (operationGroup) { + operationGroup.ops.push(op); + } else { + op.ownsGroup = operationGroup = { + ops: [op], + delayedCallbacks: [] + }; } + } - var view = display.view, lineN = display.viewFrom; - // Loop over the elements in the view, syncing cur (the DOM nodes - // in display.lineDiv) with the view as we go. - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (lineView.hidden) { - } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet - var node = buildLineElement(cm, lineView, lineN, dims); - container.insertBefore(node, cur); - } else { // Already drawn - while (cur != lineView.node) cur = rm(cur); - var updateNumber = lineNumbers && updateNumbersFrom != null && - updateNumbersFrom <= lineN && lineView.lineNumber; - if (lineView.changes) { - if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; - updateLineForChanges(cm, lineView, lineN, dims); - } - if (updateNumber) { - removeChildren(lineView.lineNumber); - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); - } - cur = lineView.node.nextSibling; + function fireCallbacksForOps(group) { + // Calls delayed callbacks and cursorActivity handlers until no + // new ones appear + var callbacks = group.delayedCallbacks, i = 0; + do { + for (; i < callbacks.length; i++) + { callbacks[i].call(null); } + for (var j = 0; j < group.ops.length; j++) { + var op = group.ops[j]; + if (op.cursorActivityHandlers) + { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) + { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } } - lineN += lineView.size; + } while (i < callbacks.length) + } + + function finishOperation(op, endCb) { + var group = op.ownsGroup; + if (!group) { return } + + try { fireCallbacksForOps(group); } + finally { + operationGroup = null; + endCb(group); } - while (cur) cur = rm(cur); + } + + var orphanDelayedCallbacks = null; + + // Often, we want to signal events at a point where we are in the + // middle of some work, but don't want the handler to start calling + // other methods on the editor, which might be in an inconsistent + // state or simply not expect any other events to happen. + // signalLater looks whether there are any handlers, and schedules + // them to be executed when the last operation ends, or, if no + // operation is active, when a timeout fires. + function signalLater(emitter, type /*, values...*/) { + var arr = getHandlers(emitter, type); + if (!arr.length) { return } + var args = Array.prototype.slice.call(arguments, 2), list; + if (operationGroup) { + list = operationGroup.delayedCallbacks; + } else if (orphanDelayedCallbacks) { + list = orphanDelayedCallbacks; + } else { + list = orphanDelayedCallbacks = []; + setTimeout(fireOrphanDelayed, 0); + } + var loop = function ( i ) { + list.push(function () { return arr[i].apply(null, args); }); + }; + + for (var i = 0; i < arr.length; ++i) + loop( i ); + } + + function fireOrphanDelayed() { + var delayed = orphanDelayedCallbacks; + orphanDelayedCallbacks = null; + for (var i = 0; i < delayed.length; ++i) { delayed[i](); } } // When an aspect of a line changes, a string is added to @@ -896,10 +2180,10 @@ function updateLineForChanges(cm, lineView, lineN, dims) { for (var j = 0; j < lineView.changes.length; j++) { var type = lineView.changes[j]; - if (type == "text") updateLineText(cm, lineView); - else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); - else if (type == "class") updateLineClasses(lineView); - else if (type == "widget") updateLineWidgets(cm, lineView, dims); + if (type == "text") { updateLineText(cm, lineView); } + else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); } + else if (type == "class") { updateLineClasses(cm, lineView); } + else if (type == "widget") { updateLineWidgets(cm, lineView, dims); } } lineView.changes = null; } @@ -910,22 +2194,23 @@ if (lineView.node == lineView.text) { lineView.node = elt("div", null, null, "position: relative"); if (lineView.text.parentNode) - lineView.text.parentNode.replaceChild(lineView.node, lineView.text); + { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); } lineView.node.appendChild(lineView.text); - if (ie && ie_version < 8) lineView.node.style.zIndex = 2; + if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; } } - return lineView.node; + return lineView.node } - function updateLineBackground(lineView) { + function updateLineBackground(cm, lineView) { var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; - if (cls) cls += " CodeMirror-linebackground"; + if (cls) { cls += " CodeMirror-linebackground"; } if (lineView.background) { - if (cls) lineView.background.className = cls; + if (cls) { lineView.background.className = cls; } else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } } else if (cls) { var wrap = ensureLineWrapped(lineView); lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); + cm.display.input.setUneditable(lineView.background); } } @@ -936,9 +2221,9 @@ if (ext && ext.line == lineView.line) { cm.display.externalMeasured = null; lineView.measure = ext.measure; - return ext.built; + return ext.built } - return buildLineContent(cm, lineView); + return buildLineContent(cm, lineView) } // Redraw the line's text. Interacts with the background and text @@ -947,24 +2232,24 @@ function updateLineText(cm, lineView) { var cls = lineView.text.className; var built = getLineContent(cm, lineView); - if (lineView.text == lineView.node) lineView.node = built.pre; + if (lineView.text == lineView.node) { lineView.node = built.pre; } lineView.text.parentNode.replaceChild(built.pre, lineView.text); lineView.text = built.pre; if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { lineView.bgClass = built.bgClass; lineView.textClass = built.textClass; - updateLineClasses(lineView); + updateLineClasses(cm, lineView); } else if (cls) { lineView.text.className = cls; } } - function updateLineClasses(lineView) { - updateLineBackground(lineView); + function updateLineClasses(cm, lineView) { + updateLineBackground(cm, lineView); if (lineView.line.wrapClass) - ensureLineWrapped(lineView).className = lineView.line.wrapClass; + { ensureLineWrapped(lineView).className = lineView.line.wrapClass; } else if (lineView.node != lineView.text) - lineView.node.className = ""; + { lineView.node.className = ""; } var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; lineView.text.className = textClass || ""; } @@ -981,40 +2266,38 @@ if (lineView.line.gutterClass) { var wrap = ensureLineWrapped(lineView); lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, - "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + - "px; width: " + dims.gutterTotalWidth + "px"); + ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")); + cm.display.input.setUneditable(lineView.gutterBackground); wrap.insertBefore(lineView.gutterBackground, lineView.text); } var markers = lineView.line.gutterMarkers; if (cm.options.lineNumbers || markers) { - var wrap = ensureLineWrapped(lineView); - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + - (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); + var wrap$1 = ensureLineWrapped(lineView); + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")); cm.display.input.setUneditable(gutterWrap); - wrap.insertBefore(gutterWrap, lineView.text); + wrap$1.insertBefore(gutterWrap, lineView.text); if (lineView.line.gutterClass) - gutterWrap.className += " " + lineView.line.gutterClass; + { gutterWrap.className += " " + lineView.line.gutterClass; } if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) - lineView.lineNumber = gutterWrap.appendChild( + { lineView.lineNumber = gutterWrap.appendChild( elt("div", lineNumberFor(cm.options, lineN), "CodeMirror-linenumber CodeMirror-gutter-elt", - "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " - + cm.display.lineNumInnerWidth + "px")); - if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) { + ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); } + if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) { var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; if (found) - gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + - dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); - } + { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); } + } } } } function updateLineWidgets(cm, lineView, dims) { - if (lineView.alignable) lineView.alignable = null; - for (var node = lineView.node.firstChild, next; node; node = next) { - var next = node.nextSibling; + if (lineView.alignable) { lineView.alignable = null; } + for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { + next = node.nextSibling; if (node.className == "CodeMirror-linewidget") - lineView.node.removeChild(node); + { lineView.node.removeChild(node); } } insertLineWidgets(cm, lineView, dims); } @@ -1023,42 +2306,42 @@ function buildLineElement(cm, lineView, lineN, dims) { var built = getLineContent(cm, lineView); lineView.text = lineView.node = built.pre; - if (built.bgClass) lineView.bgClass = built.bgClass; - if (built.textClass) lineView.textClass = built.textClass; + if (built.bgClass) { lineView.bgClass = built.bgClass; } + if (built.textClass) { lineView.textClass = built.textClass; } - updateLineClasses(lineView); + updateLineClasses(cm, lineView); updateLineGutter(cm, lineView, lineN, dims); insertLineWidgets(cm, lineView, dims); - return lineView.node; + return lineView.node } // A lineView may contain multiple logical lines (when merged by // collapsed spans). The widgets for all of them need to be drawn. function insertLineWidgets(cm, lineView, dims) { insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } } } function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { - if (!line.widgets) return; + if (!line.widgets) { return } var wrap = ensureLineWrapped(lineView); for (var i = 0, ws = line.widgets; i < ws.length; ++i) { var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); - if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); + if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); } positionLineWidget(widget, node, lineView, dims); cm.display.input.setUneditable(node); if (allowAbove && widget.above) - wrap.insertBefore(node, lineView.gutter || lineView.text); + { wrap.insertBefore(node, lineView.gutter || lineView.text); } else - wrap.appendChild(node); + { wrap.appendChild(node); } signalLater(widget, "redraw"); } } function positionLineWidget(widget, node, lineView, dims) { if (widget.noHScroll) { - (lineView.alignable || (lineView.alignable = [])).push(node); + (lineView.alignable || (lineView.alignable = [])).push(node); var width = dims.wrapperWidth; node.style.left = dims.fixedPos + "px"; if (!widget.coverGutter) { @@ -1070,1472 +2353,53 @@ if (widget.coverGutter) { node.style.zIndex = 5; node.style.position = "relative"; - if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; - } - } - - // POSITION OBJECT - - // A Pos instance represents a position within the text. - var Pos = CodeMirror.Pos = function(line, ch) { - if (!(this instanceof Pos)) return new Pos(line, ch); - this.line = line; this.ch = ch; - }; - - // Compare two positions, return 0 if they are the same, a negative - // number when a is less, and a positive number otherwise. - var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; }; - - function copyPos(x) {return Pos(x.line, x.ch);} - function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } - function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } - - // INPUT HANDLING - - function ensureFocus(cm) { - if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } - } - - // This will be set to a {lineWise: bool, text: [string]} object, so - // that, when pasting, we know what kind of selections the copied - // text was made out of. - var lastCopied = null; - - function applyTextInput(cm, inserted, deleted, sel, origin) { - var doc = cm.doc; - cm.display.shift = false; - if (!sel) sel = doc.sel; - - var paste = cm.state.pasteIncoming || origin == "paste"; - var textLines = doc.splitLines(inserted), multiPaste = null - // When pasing N lines into N selections, insert one line per selection - if (paste && sel.ranges.length > 1) { - if (lastCopied && lastCopied.text.join("\n") == inserted) { - if (sel.ranges.length % lastCopied.text.length == 0) { - multiPaste = []; - for (var i = 0; i < lastCopied.text.length; i++) - multiPaste.push(doc.splitLines(lastCopied.text[i])); - } - } else if (textLines.length == sel.ranges.length) { - multiPaste = map(textLines, function(l) { return [l]; }); - } - } - - // Normal behavior is to insert the new text into every selection - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i]; - var from = range.from(), to = range.to(); - if (range.empty()) { - if (deleted && deleted > 0) // Handle deletion - from = Pos(from.line, from.ch - deleted); - else if (cm.state.overwrite && !paste) // Handle overwrite - to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); - else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) - from = to = Pos(from.line, 0) - } - var updateInput = cm.curOp.updateInput; - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, - origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; - makeChange(cm.doc, changeEvent); - signalLater(cm, "inputRead", cm, changeEvent); - } - if (inserted && !paste) - triggerElectric(cm, inserted); - - ensureCursorVisible(cm); - cm.curOp.updateInput = updateInput; - cm.curOp.typing = true; - cm.state.pasteIncoming = cm.state.cutIncoming = false; - } - - function handlePaste(e, cm) { - var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); - if (pasted) { - e.preventDefault(); - if (!cm.isReadOnly() && !cm.options.disableInput) - runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); - return true; - } - } - - function triggerElectric(cm, inserted) { - // When an 'electric' character is inserted, immediately trigger a reindent - if (!cm.options.electricChars || !cm.options.smartIndent) return; - var sel = cm.doc.sel; - - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i]; - if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; - var mode = cm.getModeAt(range.head); - var indented = false; - if (mode.electricChars) { - for (var j = 0; j < mode.electricChars.length; j++) - if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { - indented = indentLine(cm, range.head.line, "smart"); - break; - } - } else if (mode.electricInput) { - if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) - indented = indentLine(cm, range.head.line, "smart"); - } - if (indented) signalLater(cm, "electricInput", cm, range.head.line); - } - } - - function copyableRanges(cm) { - var text = [], ranges = []; - for (var i = 0; i < cm.doc.sel.ranges.length; i++) { - var line = cm.doc.sel.ranges[i].head.line; - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; - ranges.push(lineRange); - text.push(cm.getRange(lineRange.anchor, lineRange.head)); - } - return {text: text, ranges: ranges}; - } - - function disableBrowserMagic(field) { - field.setAttribute("autocorrect", "off"); - field.setAttribute("autocapitalize", "off"); - field.setAttribute("spellcheck", "false"); - } - - // TEXTAREA INPUT STYLE - - function TextareaInput(cm) { - this.cm = cm; - // See input.poll and input.reset - this.prevInput = ""; - - // Flag that indicates whether we expect input to appear real soon - // now (after some event like 'keypress' or 'input') and are - // polling intensively. - this.pollingFast = false; - // Self-resetting timeout for the poller - this.polling = new Delayed(); - // Tracks when input.reset has punted to just putting a short - // string into the textarea instead of the full selection. - this.inaccurateSelection = false; - // Used to work around IE issue with selection being forgotten when focus moves away from textarea - this.hasSelection = false; - this.composing = null; - }; - - function hiddenTextarea() { - var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none"); - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The textarea is kept positioned near the cursor to prevent the - // fact that it'll be scrolled into view on input from scrolling - // our fake cursor out of view. On webkit, when wrap=off, paste is - // very slow. So make the area wide instead. - if (webkit) te.style.width = "1000px"; - else te.setAttribute("wrap", "off"); - // If border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) te.style.border = "1px solid black"; - disableBrowserMagic(te); - return div; - } - - TextareaInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = this.cm; - - // Wraps and hides input textarea - var div = this.wrapper = hiddenTextarea(); - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - var te = this.textarea = div.firstChild; - display.wrapper.insertBefore(div, display.wrapper.firstChild); - - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) - if (ios) te.style.width = "0px"; - - on(te, "input", function() { - if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; - input.poll(); - }); - - on(te, "paste", function(e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return - - cm.state.pasteIncoming = true; - input.fastPoll(); - }); - - function prepareCopyCut(e) { - if (signalDOMEvent(cm, e)) return - if (cm.somethingSelected()) { - lastCopied = {lineWise: false, text: cm.getSelections()}; - if (input.inaccurateSelection) { - input.prevInput = ""; - input.inaccurateSelection = false; - te.value = lastCopied.text.join("\n"); - selectInput(te); - } - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = {lineWise: true, text: ranges.text}; - if (e.type == "cut") { - cm.setSelections(ranges.ranges, null, sel_dontScroll); - } else { - input.prevInput = ""; - te.value = ranges.text.join("\n"); - selectInput(te); - } - } - if (e.type == "cut") cm.state.cutIncoming = true; - } - on(te, "cut", prepareCopyCut); - on(te, "copy", prepareCopyCut); - - on(display.scroller, "paste", function(e) { - if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return; - cm.state.pasteIncoming = true; - input.focus(); - }); - - // Prevent normal selection in the editor (we handle our own) - on(display.lineSpace, "selectstart", function(e) { - if (!eventInWidget(display, e)) e_preventDefault(e); - }); - - on(te, "compositionstart", function() { - var start = cm.getCursor("from"); - if (input.composing) input.composing.range.clear() - input.composing = { - start: start, - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) - }; - }); - on(te, "compositionend", function() { - if (input.composing) { - input.poll(); - input.composing.range.clear(); - input.composing = null; - } - }); - }, - - prepareSelection: function() { - // Redraw the selection and/or cursor - var cm = this.cm, display = cm.display, doc = cm.doc; - var result = prepareSelection(cm); - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)); - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)); - } - - return result; - }, - - showSelection: function(drawn) { - var cm = this.cm, display = cm.display; - removeChildrenAndAdd(display.cursorDiv, drawn.cursors); - removeChildrenAndAdd(display.selectionDiv, drawn.selection); - if (drawn.teTop != null) { - this.wrapper.style.top = drawn.teTop + "px"; - this.wrapper.style.left = drawn.teLeft + "px"; - } - }, - - // Reset the input to correspond to the selection (or to be empty, - // when not typing and nothing is selected) - reset: function(typing) { - if (this.contextMenuPending) return; - var minimal, selected, cm = this.cm, doc = cm.doc; - if (cm.somethingSelected()) { - this.prevInput = ""; - var range = doc.sel.primary(); - minimal = hasCopyEvent && - (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); - var content = minimal ? "-" : selected || cm.getSelection(); - this.textarea.value = content; - if (cm.state.focused) selectInput(this.textarea); - if (ie && ie_version >= 9) this.hasSelection = content; - } else if (!typing) { - this.prevInput = this.textarea.value = ""; - if (ie && ie_version >= 9) this.hasSelection = null; - } - this.inaccurateSelection = minimal; - }, - - getField: function() { return this.textarea; }, - - supportsTouch: function() { return false; }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { - try { this.textarea.focus(); } - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM - } - }, - - blur: function() { this.textarea.blur(); }, - - resetPosition: function() { - this.wrapper.style.top = this.wrapper.style.left = 0; - }, - - receivedFocus: function() { this.slowPoll(); }, - - // Poll for input changes, using the normal rate of polling. This - // runs as long as the editor is focused. - slowPoll: function() { - var input = this; - if (input.pollingFast) return; - input.polling.set(this.cm.options.pollInterval, function() { - input.poll(); - if (input.cm.state.focused) input.slowPoll(); - }); - }, - - // When an event has just come in that is likely to add or change - // something in the input textarea, we poll faster, to ensure that - // the change appears on the screen quickly. - fastPoll: function() { - var missed = false, input = this; - input.pollingFast = true; - function p() { - var changed = input.poll(); - if (!changed && !missed) {missed = true; input.polling.set(60, p);} - else {input.pollingFast = false; input.slowPoll();} - } - input.polling.set(20, p); - }, - - // Read input from the textarea, and update the document to match. - // When something is selected, it is present in the textarea, and - // selected (unless it is huge, in which case a placeholder is - // used). When nothing is selected, the cursor sits after previously - // seen text (can be empty), which is stored in prevInput (we must - // not reset the textarea when typing, because that breaks IME). - poll: function() { - var cm = this.cm, input = this.textarea, prevInput = this.prevInput; - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (this.contextMenuPending || !cm.state.focused || - (hasSelection(input) && !prevInput && !this.composing) || - cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) - return false; - - var text = input.value; - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) return false; - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && this.hasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - cm.display.input.reset(); - return false; - } - - if (cm.doc.sel == cm.display.selForContextMenu) { - var first = text.charCodeAt(0); - if (first == 0x200b && !prevInput) prevInput = "\u200b"; - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } - } - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; - - var self = this; - runInOp(cm, function() { - applyTextInput(cm, text.slice(same), prevInput.length - same, - null, self.composing ? "*compose" : null); - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; - else self.prevInput = text; - - if (self.composing) { - self.composing.range.clear(); - self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), - {className: "CodeMirror-composing"}); - } - }); - return true; - }, - - ensurePolled: function() { - if (this.pollingFast && this.poll()) this.pollingFast = false; - }, - - onKeyPress: function() { - if (ie && ie_version >= 9) this.hasSelection = null; - this.fastPoll(); - }, - - onContextMenu: function(e) { - var input = this, cm = input.cm, display = cm.display, te = input.textarea; - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || presto) return; // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && cm.doc.sel.contains(pos) == -1) - operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); - - var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; - input.wrapper.style.cssText = "position: absolute" - var wrapperBox = input.wrapper.getBoundingClientRect() - te.style.cssText = "position: absolute; width: 30px; height: 30px; top: " + (e.clientY - wrapperBox.top - 5) + - "px; left: " + (e.clientX - wrapperBox.left - 5) + "px; z-index: 1000; background: " + - (ie ? "rgba(255, 255, 255, .05)" : "transparent") + - "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) - display.input.focus(); - if (webkit) window.scrollTo(null, oldScrollY); - display.input.reset(); - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) te.value = input.prevInput = " "; - input.contextMenuPending = true; - display.selForContextMenu = cm.doc.sel; - clearTimeout(display.detectingSelectAll); - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (te.selectionStart != null) { - var selected = cm.somethingSelected(); - var extval = "\u200b" + (selected ? te.value : ""); - te.value = "\u21da"; // Used to catch context-menu undo - te.value = extval; - input.prevInput = selected ? "" : "\u200b"; - te.selectionStart = 1; te.selectionEnd = extval.length; - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel; - } - } - function rehide() { - input.contextMenuPending = false; - input.wrapper.style.cssText = oldWrapperCSS - te.style.cssText = oldCSS; - if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); - - // Try to detect the user choosing select-all - if (te.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); - var i = 0, poll = function() { - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && - te.selectionEnd > 0 && input.prevInput == "\u200b") - operation(cm, commands.selectAll)(cm); - else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); - else display.input.reset(); - }; - display.detectingSelectAll = setTimeout(poll, 200); - } - } - - if (ie && ie_version >= 9) prepareSelectAllHack(); - if (captureRightClick) { - e_stop(e); - var mouseup = function() { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); - } - }, - - readOnlyChanged: function(val) { - if (!val) this.reset(); - }, - - setUneditable: nothing, - - needsContentAttribute: false - }, TextareaInput.prototype); - - // CONTENTEDITABLE INPUT STYLE - - function ContentEditableInput(cm) { - this.cm = cm; - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; - this.polling = new Delayed(); - this.gracePeriod = false; - } - - ContentEditableInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = input.cm; - var div = input.div = display.lineDiv; - disableBrowserMagic(div); - - on(div, "paste", function(e) { - if (!signalDOMEvent(cm, e)) handlePaste(e, cm); - }) - - on(div, "compositionstart", function(e) { - var data = e.data; - input.composing = {sel: cm.doc.sel, data: data, startData: data}; - if (!data) return; - var prim = cm.doc.sel.primary(); - var line = cm.getLine(prim.head.line); - var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); - if (found > -1 && found <= prim.head.ch) - input.composing.sel = simpleSelection(Pos(prim.head.line, found), - Pos(prim.head.line, found + data.length)); - }); - on(div, "compositionupdate", function(e) { - input.composing.data = e.data; - }); - on(div, "compositionend", function(e) { - var ours = input.composing; - if (!ours) return; - if (e.data != ours.startData && !/\u200b/.test(e.data)) - ours.data = e.data; - // Need a small delay to prevent other code (input event, - // selection polling) from doing damage when fired right after - // compositionend. - setTimeout(function() { - if (!ours.handled) - input.applyComposition(ours); - if (input.composing == ours) - input.composing = null; - }, 50); - }); - - on(div, "touchstart", function() { - input.forceCompositionEnd(); - }); - - on(div, "input", function() { - if (input.composing) return; - if (cm.isReadOnly() || !input.pollContent()) - runInOp(input.cm, function() {regChange(cm);}); - }); - - function onCopyCut(e) { - if (signalDOMEvent(cm, e)) return - if (cm.somethingSelected()) { - lastCopied = {lineWise: false, text: cm.getSelections()}; - if (e.type == "cut") cm.replaceSelection("", null, "cut"); - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = {lineWise: true, text: ranges.text}; - if (e.type == "cut") { - cm.operation(function() { - cm.setSelections(ranges.ranges, 0, sel_dontScroll); - cm.replaceSelection("", null, "cut"); - }); - } - } - // iOS exposes the clipboard API, but seems to discard content inserted into it - if (e.clipboardData && !ios) { - e.preventDefault(); - e.clipboardData.clearData(); - e.clipboardData.setData("text/plain", lastCopied.text.join("\n")); - } else { - // Old-fashioned briefly-focus-a-textarea hack - var kludge = hiddenTextarea(), te = kludge.firstChild; - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); - te.value = lastCopied.text.join("\n"); - var hadFocus = document.activeElement; - selectInput(te); - setTimeout(function() { - cm.display.lineSpace.removeChild(kludge); - hadFocus.focus(); - }, 50); - } - } - on(div, "copy", onCopyCut); - on(div, "cut", onCopyCut); - }, - - prepareSelection: function() { - var result = prepareSelection(this.cm, false); - result.focus = this.cm.state.focused; - return result; - }, - - showSelection: function(info, takeFocus) { - if (!info || !this.cm.display.view.length) return; - if (info.focus || takeFocus) this.showPrimarySelection(); - this.showMultipleSelections(info); - }, - - showPrimarySelection: function() { - var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); - var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); - var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && - cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && - cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) - return; - - var start = posToDOM(this.cm, prim.from()); - var end = posToDOM(this.cm, prim.to()); - if (!start && !end) return; - - var view = this.cm.display.view; - var old = sel.rangeCount && sel.getRangeAt(0); - if (!start) { - start = {node: view[0].measure.map[2], offset: 0}; - } else if (!end) { // FIXME dangerously hacky - var measure = view[view.length - 1].measure; - var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; - end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; - } - - try { var rng = range(start.node, start.offset, end.offset, end.node); } - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible - if (rng) { - if (!gecko && this.cm.state.focused) { - sel.collapse(start.node, start.offset); - if (!rng.collapsed) sel.addRange(rng); - } else { - sel.removeAllRanges(); - sel.addRange(rng); - } - if (old && sel.anchorNode == null) sel.addRange(old); - else if (gecko) this.startGracePeriod(); - } - this.rememberSelection(); - }, - - startGracePeriod: function() { - var input = this; - clearTimeout(this.gracePeriod); - this.gracePeriod = setTimeout(function() { - input.gracePeriod = false; - if (input.selectionChanged()) - input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); - }, 20); - }, - - showMultipleSelections: function(info) { - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); - }, - - rememberSelection: function() { - var sel = window.getSelection(); - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; - }, - - selectionInEditor: function() { - var sel = window.getSelection(); - if (!sel.rangeCount) return false; - var node = sel.getRangeAt(0).commonAncestorContainer; - return contains(this.div, node); - }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor") this.div.focus(); - }, - blur: function() { this.div.blur(); }, - getField: function() { return this.div; }, - - supportsTouch: function() { return true; }, - - receivedFocus: function() { - var input = this; - if (this.selectionInEditor()) - this.pollSelection(); - else - runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); - - function poll() { - if (input.cm.state.focused) { - input.pollSelection(); - input.polling.set(input.cm.options.pollInterval, poll); - } - } - this.polling.set(this.cm.options.pollInterval, poll); - }, - - selectionChanged: function() { - var sel = window.getSelection(); - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; - }, - - pollSelection: function() { - if (!this.composing && !this.gracePeriod && this.selectionChanged()) { - var sel = window.getSelection(), cm = this.cm; - this.rememberSelection(); - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var head = domToPos(cm, sel.focusNode, sel.focusOffset); - if (anchor && head) runInOp(cm, function() { - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); - if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; - }); - } - }, - - pollContent: function() { - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); - var from = sel.from(), to = sel.to(); - if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; - - var fromIndex; - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { - var fromLine = lineNo(display.view[0].line); - var fromNode = display.view[0].node; - } else { - var fromLine = lineNo(display.view[fromIndex].line); - var fromNode = display.view[fromIndex - 1].node.nextSibling; - } - var toIndex = findViewIndex(cm, to.line); - if (toIndex == display.view.length - 1) { - var toLine = display.viewTo - 1; - var toNode = display.lineDiv.lastChild; - } else { - var toLine = lineNo(display.view[toIndex + 1].line) - 1; - var toNode = display.view[toIndex + 1].node.previousSibling; - } - - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); - while (newText.length > 1 && oldText.length > 1) { - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } - else break; - } - - var cutFront = 0, cutEnd = 0; - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) - ++cutFront; - var newBot = lst(newText), oldBot = lst(oldText); - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), - oldBot.length - (oldText.length == 1 ? cutFront : 0)); - while (cutEnd < maxCutEnd && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) - ++cutEnd; - - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); - newText[0] = newText[0].slice(cutFront); - - var chFrom = Pos(fromLine, cutFront); - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { - replaceRange(cm.doc, newText, chFrom, chTo, "+input"); - return true; - } - }, - - ensurePolled: function() { - this.forceCompositionEnd(); - }, - reset: function() { - this.forceCompositionEnd(); - }, - forceCompositionEnd: function() { - if (!this.composing || this.composing.handled) return; - this.applyComposition(this.composing); - this.composing.handled = true; - this.div.blur(); - this.div.focus(); - }, - applyComposition: function(composing) { - if (this.cm.isReadOnly()) - operation(this.cm, regChange)(this.cm) - else if (composing.data && composing.data != composing.startData) - operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); - }, - - setUneditable: function(node) { - node.contentEditable = "false" - }, - - onKeyPress: function(e) { - e.preventDefault(); - if (!this.cm.isReadOnly()) - operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); - }, - - readOnlyChanged: function(val) { - this.div.contentEditable = String(val != "nocursor") - }, - - onContextMenu: nothing, - resetPosition: nothing, - - needsContentAttribute: true - }, ContentEditableInput.prototype); - - function posToDOM(cm, pos) { - var view = findViewForLine(cm, pos.line); - if (!view || view.hidden) return null; - var line = getLine(cm.doc, pos.line); - var info = mapFromLineView(view, line, pos.line); - - var order = getOrder(line), side = "left"; - if (order) { - var partPos = getBidiPartAt(order, pos.ch); - side = partPos % 2 ? "right" : "left"; - } - var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); - result.offset = result.collapse == "right" ? result.end : result.start; - return result; - } - - function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } - - function domToPos(cm, node, offset) { - var lineNode; - if (node == cm.display.lineDiv) { - lineNode = cm.display.lineDiv.childNodes[offset]; - if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); - node = null; offset = 0; - } else { - for (lineNode = node;; lineNode = lineNode.parentNode) { - if (!lineNode || lineNode == cm.display.lineDiv) return null; - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; - } - } - for (var i = 0; i < cm.display.view.length; i++) { - var lineView = cm.display.view[i]; - if (lineView.node == lineNode) - return locateNodeInLineView(lineView, node, offset); - } - } - - function locateNodeInLineView(lineView, node, offset) { - var wrapper = lineView.text.firstChild, bad = false; - if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); - if (node == wrapper) { - bad = true; - node = wrapper.childNodes[offset]; - offset = 0; - if (!node) { - var line = lineView.rest ? lst(lineView.rest) : lineView.line; - return badPos(Pos(lineNo(line), line.text.length), bad); - } - } - - var textNode = node.nodeType == 3 ? node : null, topNode = node; - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { - textNode = node.firstChild; - if (offset) offset = textNode.nodeValue.length; - } - while (topNode.parentNode != wrapper) topNode = topNode.parentNode; - var measure = lineView.measure, maps = measure.maps; - - function find(textNode, topNode, offset) { - for (var i = -1; i < (maps ? maps.length : 0); i++) { - var map = i < 0 ? measure.map : maps[i]; - for (var j = 0; j < map.length; j += 3) { - var curNode = map[j + 2]; - if (curNode == textNode || curNode == topNode) { - var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); - var ch = map[j] + offset; - if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; - return Pos(line, ch); - } - } - } - } - var found = find(textNode, topNode, offset); - if (found) return badPos(found, bad); - - // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { - found = find(after, after.firstChild, 0); - if (found) - return badPos(Pos(found.line, found.ch - dist), bad); - else - dist += after.textContent.length; - } - for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { - found = find(before, before.firstChild, -1); - if (found) - return badPos(Pos(found.line, found.ch + dist), bad); - else - dist += after.textContent.length; - } - } - - function domTextBetween(cm, from, to, fromLine, toLine) { - var text = "", closing = false, lineSep = cm.doc.lineSeparator(); - function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } - function walk(node) { - if (node.nodeType == 1) { - var cmText = node.getAttribute("cm-text"); - if (cmText != null) { - if (cmText == "") cmText = node.textContent.replace(/\u200b/g, ""); - text += cmText; - return; - } - var markerID = node.getAttribute("cm-marker"), range; - if (markerID) { - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); - if (found.length && (range = found[0].find())) - text += getBetween(cm.doc, range.from, range.to).join(lineSep); - return; - } - if (node.getAttribute("contenteditable") == "false") return; - for (var i = 0; i < node.childNodes.length; i++) - walk(node.childNodes[i]); - if (/^(pre|div|p)$/i.test(node.nodeName)) - closing = true; - } else if (node.nodeType == 3) { - var val = node.nodeValue; - if (!val) return; - if (closing) { - text += lineSep; - closing = false; - } - text += val; - } - } - for (;;) { - walk(from); - if (from == to) break; - from = from.nextSibling; - } - return text; - } - - CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; - - // SELECTION / CURSOR - - // Selection objects are immutable. A new one is created every time - // the selection changes. A selection is one or more non-overlapping - // (and non-touching) ranges, sorted, and an integer that indicates - // which one is the primary selection (the one that's scrolled into - // view, that getCursor returns, etc). - function Selection(ranges, primIndex) { - this.ranges = ranges; - this.primIndex = primIndex; - } - - Selection.prototype = { - primary: function() { return this.ranges[this.primIndex]; }, - equals: function(other) { - if (other == this) return true; - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false; - for (var i = 0; i < this.ranges.length; i++) { - var here = this.ranges[i], there = other.ranges[i]; - if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false; - } - return true; - }, - deepCopy: function() { - for (var out = [], i = 0; i < this.ranges.length; i++) - out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); - return new Selection(out, this.primIndex); - }, - somethingSelected: function() { - for (var i = 0; i < this.ranges.length; i++) - if (!this.ranges[i].empty()) return true; - return false; - }, - contains: function(pos, end) { - if (!end) end = pos; - for (var i = 0; i < this.ranges.length; i++) { - var range = this.ranges[i]; - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) - return i; - } - return -1; - } - }; - - function Range(anchor, head) { - this.anchor = anchor; this.head = head; - } - - Range.prototype = { - from: function() { return minPos(this.anchor, this.head); }, - to: function() { return maxPos(this.anchor, this.head); }, - empty: function() { - return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; - } - }; - - // Take an unsorted, potentially overlapping set of ranges, and - // build a selection out of it. 'Consumes' ranges array (modifying - // it). - function normalizeSelection(ranges, primIndex) { - var prim = ranges[primIndex]; - ranges.sort(function(a, b) { return cmp(a.from(), b.from()); }); - primIndex = indexOf(ranges, prim); - for (var i = 1; i < ranges.length; i++) { - var cur = ranges[i], prev = ranges[i - 1]; - if (cmp(prev.to(), cur.from()) >= 0) { - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; - if (i <= primIndex) --primIndex; - ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); - } - } - return new Selection(ranges, primIndex); - } - - function simpleSelection(anchor, head) { - return new Selection([new Range(anchor, head || anchor)], 0); - } - - // Most of the external API clips given positions to make sure they - // actually exist within the document. - function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} - function clipPos(doc, pos) { - if (pos.line < doc.first) return Pos(doc.first, 0); - var last = doc.first + doc.size - 1; - if (pos.line > last) return Pos(last, getLine(doc, last).text.length); - return clipToLen(pos, getLine(doc, pos.line).text.length); - } - function clipToLen(pos, linelen) { - var ch = pos.ch; - if (ch == null || ch > linelen) return Pos(pos.line, linelen); - else if (ch < 0) return Pos(pos.line, 0); - else return pos; - } - function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} - function clipPosArray(doc, array) { - for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]); - return out; - } - - // SELECTION UPDATES - - // The 'scroll' parameter given to many of these indicated whether - // the new cursor position should be scrolled into view after - // modifying the selection. - - // If shift is held or the extend flag is set, extends a range to - // include a given position (and optionally a second position). - // Otherwise, simply returns the range between the given positions. - // Used for cursor motion and such. - function extendRange(doc, range, head, other) { - if (doc.cm && doc.cm.display.shift || doc.extend) { - var anchor = range.anchor; - if (other) { - var posBefore = cmp(head, anchor) < 0; - if (posBefore != (cmp(other, anchor) < 0)) { - anchor = head; - head = other; - } else if (posBefore != (cmp(head, other) < 0)) { - head = other; - } - } - return new Range(anchor, head); - } else { - return new Range(other || head, head); - } - } - - // Extend the primary selection range, discard the rest. - function extendSelection(doc, head, other, options) { - setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options); - } - - // Extend all selections (pos is an array of selections with length - // equal the number of selections) - function extendSelections(doc, heads, options) { - for (var out = [], i = 0; i < doc.sel.ranges.length; i++) - out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null); - var newSel = normalizeSelection(out, doc.sel.primIndex); - setSelection(doc, newSel, options); - } - - // Updates a single range in the selection. - function replaceOneSelection(doc, i, range, options) { - var ranges = doc.sel.ranges.slice(0); - ranges[i] = range; - setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); - } - - // Reset the selection to a single range. - function setSimpleSelection(doc, anchor, head, options) { - setSelection(doc, simpleSelection(anchor, head), options); - } - - // Give beforeSelectionChange handlers a change to influence a - // selection update. - function filterSelectionChange(doc, sel, options) { - var obj = { - ranges: sel.ranges, - update: function(ranges) { - this.ranges = []; - for (var i = 0; i < ranges.length; i++) - this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), - clipPos(doc, ranges[i].head)); - }, - origin: options && options.origin - }; - signal(doc, "beforeSelectionChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); - if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1); - else return sel; - } - - function setSelectionReplaceHistory(doc, sel, options) { - var done = doc.history.done, last = lst(done); - if (last && last.ranges) { - done[done.length - 1] = sel; - setSelectionNoUndo(doc, sel, options); - } else { - setSelection(doc, sel, options); - } - } - - // Set a new selection. - function setSelection(doc, sel, options) { - setSelectionNoUndo(doc, sel, options); - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); - } - - function setSelectionNoUndo(doc, sel, options) { - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) - sel = filterSelectionChange(doc, sel, options); - - var bias = options && options.bias || - (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); - setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); - - if (!(options && options.scroll === false) && doc.cm) - ensureCursorVisible(doc.cm); - } - - function setSelectionInner(doc, sel) { - if (sel.equals(doc.sel)) return; - - doc.sel = sel; - - if (doc.cm) { - doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; - signalCursorActivity(doc.cm); - } - signalLater(doc, "cursorActivity", doc); - } - - // Verify that the selection does not partially select any atomic - // marked ranges. - function reCheckSelection(doc) { - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll); - } - - // Return a selection that does not partially select any atomic - // ranges. - function skipAtomicInSelection(doc, sel, bias, mayClear) { - var out; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; - var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); - var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); - if (out || newAnchor != range.anchor || newHead != range.head) { - if (!out) out = sel.ranges.slice(0, i); - out[i] = new Range(newAnchor, newHead); - } + if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; } } - return out ? normalizeSelection(out, sel.primIndex) : sel; } - function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { - var line = getLine(doc, pos.line); - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter"); - if (m.explicitlyCleared) { - if (!line.markedSpans) break; - else {--i; continue;} - } - } - if (!m.atomic) continue; - - if (oldPos) { - var near = m.find(dir < 0 ? 1 : -1), diff; - if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) - near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); - if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) - return skipAtomicInner(doc, near, pos, dir, mayClear); - } - - var far = m.find(dir < 0 ? -1 : 1); - if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) - far = movePos(doc, far, dir, far.line == pos.line ? line : null); - return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null; - } - } - return pos; - } - - // Ensure a given position is not inside an atomic range. - function skipAtomic(doc, pos, oldPos, bias, mayClear) { - var dir = bias || 1; - var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || - skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); - if (!found) { - doc.cantEdit = true; - return Pos(doc.first, 0); - } - return found; - } - - function movePos(doc, pos, dir, line) { - if (dir < 0 && pos.ch == 0) { - if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1)); - else return null; - } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { - if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0); - else return null; - } else { - return new Pos(pos.line, pos.ch + dir); - } - } - - // SELECTION DRAWING - - function updateSelection(cm) { - cm.display.input.showSelection(cm.display.input.prepareSelection()); - } - - function prepareSelection(cm, primary) { - var doc = cm.doc, result = {}; - var curFragment = result.cursors = document.createDocumentFragment(); - var selFragment = result.selection = document.createDocumentFragment(); - - for (var i = 0; i < doc.sel.ranges.length; i++) { - if (primary === false && i == doc.sel.primIndex) continue; - var range = doc.sel.ranges[i]; - if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) continue; - var collapsed = range.empty(); - if (collapsed || cm.options.showCursorWhenSelecting) - drawSelectionCursor(cm, range.head, curFragment); - if (!collapsed) - drawSelectionRange(cm, range, selFragment); - } - return result; - } - - // Draws a cursor for the given range - function drawSelectionCursor(cm, head, output) { - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); - - var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); - cursor.style.left = pos.left + "px"; - cursor.style.top = pos.top + "px"; - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; - - if (pos.other) { - // Secondary cursor, shown when on a 'jump' in bi-directional text - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); - otherCursor.style.display = ""; - otherCursor.style.left = pos.other.left + "px"; - otherCursor.style.top = pos.other.top + "px"; - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; - } - } - - // Draws the given range as a highlighted selection - function drawSelectionRange(cm, range, output) { - var display = cm.display, doc = cm.doc; - var fragment = document.createDocumentFragment(); - var padding = paddingH(cm.display), leftSide = padding.left; - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; - - function add(left, top, width, bottom) { - if (top < 0) top = 0; - top = Math.round(top); - bottom = Math.round(bottom); - fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + - "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) + - "px; height: " + (bottom - top) + "px")); - } - - function drawForLine(line, fromArg, toArg) { - var lineObj = getLine(doc, line); - var lineLen = lineObj.text.length; - var start, end; - function coords(ch, bias) { - return charCoords(cm, Pos(line, ch), "div", lineObj, bias); - } - - iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { - var leftPos = coords(from, "left"), rightPos, left, right; - if (from == to) { - rightPos = leftPos; - left = right = leftPos.left; - } else { - rightPos = coords(to - 1, "right"); - if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } - left = leftPos.left; - right = rightPos.right; - } - if (fromArg == null && from == 0) left = leftSide; - if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part - add(left, leftPos.top, null, leftPos.bottom); - left = leftSide; - if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); - } - if (toArg == null && to == lineLen) right = rightSide; - if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) - start = leftPos; - if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) - end = rightPos; - if (left < leftSide + 1) left = leftSide; - add(left, rightPos.top, right - left, rightPos.bottom); - }); - return {start: start, end: end}; - } - - var sFrom = range.from(), sTo = range.to(); - if (sFrom.line == sTo.line) { - drawForLine(sFrom.line, sFrom.ch, sTo.ch); - } else { - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); - var singleVLine = visualLine(fromLine) == visualLine(toLine); - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; - if (singleVLine) { - if (leftEnd.top < rightStart.top - 2) { - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); - add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); - } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); - } - } - if (leftEnd.bottom < rightStart.top) - add(leftSide, leftEnd.bottom, null, rightStart.top); + function widgetHeight(widget) { + if (widget.height != null) { return widget.height } + var cm = widget.doc.cm; + if (!cm) { return 0 } + if (!contains(document.body, widget.node)) { + var parentStyle = "position: relative;"; + if (widget.coverGutter) + { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; } + if (widget.noHScroll) + { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; } + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); } - - output.appendChild(fragment); - } - - // Cursor-blinking - function restartBlink(cm) { - if (!cm.state.focused) return; - var display = cm.display; - clearInterval(display.blinker); - var on = true; - display.cursorDiv.style.visibility = ""; - if (cm.options.cursorBlinkRate > 0) - display.blinker = setInterval(function() { - display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; - }, cm.options.cursorBlinkRate); - else if (cm.options.cursorBlinkRate < 0) - display.cursorDiv.style.visibility = "hidden"; - } - - // HIGHLIGHT WORKER - - function startWorker(cm, time) { - if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) - cm.state.highlight.set(time, bind(highlightWorker, cm)); - } - - function highlightWorker(cm) { - var doc = cm.doc; - if (doc.frontier < doc.first) doc.frontier = doc.first; - if (doc.frontier >= cm.display.viewTo) return; - var end = +new Date + cm.options.workTime; - var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); - var changedLines = []; - - doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { - if (doc.frontier >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; - var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); - line.styles = highlighted.styles; - var oldCls = line.styleClasses, newCls = highlighted.classes; - if (newCls) line.styleClasses = newCls; - else if (oldCls) line.styleClasses = null; - var ischange = !oldStyles || oldStyles.length != line.styles.length || - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); - for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; - if (ischange) changedLines.push(doc.frontier); - line.stateAfter = tooLong ? state : copyState(doc.mode, state); - } else { - if (line.text.length <= cm.options.maxHighlightLength) - processLine(cm, line.text, state); - line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; - } - ++doc.frontier; - if (+new Date > end) { - startWorker(cm, cm.options.workDelay); - return true; - } - }); - if (changedLines.length) runInOp(cm, function() { - for (var i = 0; i < changedLines.length; i++) - regLineChange(cm, changedLines[i], "text"); - }); + return widget.height = widget.node.parentNode.offsetHeight } - // Finds the line to start with when starting a parse. Tries to - // find a line with a stateAfter, so that it can start with a - // valid state. If that fails, it returns the line with the - // smallest indentation, which tends to need the least context to - // parse correctly. - function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc; - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); - for (var search = n; search > lim; --search) { - if (search <= doc.first) return doc.first; - var line = getLine(doc, search - 1); - if (line.stateAfter && (!precise || search <= doc.frontier)) return search; - var indented = countColumn(line.text, null, cm.options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } + // Return true when the given mouse event happened in a widget + function eventInWidget(display, e) { + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + { return true } } - return minline; - } - - function getStateBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display; - if (!doc.mode.startState) return true; - var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; - if (!state) state = startState(doc.mode); - else state = copyState(doc.mode, state); - doc.iter(pos, n, function(line) { - processLine(cm, line.text, state); - var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; - line.stateAfter = save ? copyState(doc.mode, state) : null; - ++pos; - }); - if (precise) doc.frontier = pos; - return state; } // POSITION MEASUREMENT - function paddingTop(display) {return display.lineSpace.offsetTop;} - function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} + function paddingTop(display) {return display.lineSpace.offsetTop} + function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} function paddingH(display) { - if (display.cachedPaddingH) return display.cachedPaddingH; + if (display.cachedPaddingH) { return display.cachedPaddingH } var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; - if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; - return data; + if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; } + return data } - function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } + function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } function displayWidth(cm) { - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth } function displayHeight(cm) { - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight } // Ensure the lineView.wrapping.heights array is populated. This is @@ -2553,7 +2417,7 @@ for (var i = 0; i < rects.length - 1; i++) { var cur = rects[i], next = rects[i + 1]; if (Math.abs(cur.bottom - next.bottom) > 2) - heights.push((cur.bottom + next.top) / 2 - rect.top); + { heights.push((cur.bottom + next.top) / 2 - rect.top); } } } heights.push(rect.bottom - rect.top); @@ -2565,13 +2429,13 @@ // contain multiple lines when collapsed ranges are present.) function mapFromLineView(lineView, line, lineN) { if (lineView.line == line) - return {map: lineView.measure.map, cache: lineView.measure.cache}; + { return {map: lineView.measure.map, cache: lineView.measure.cache} } for (var i = 0; i < lineView.rest.length; i++) - if (lineView.rest[i] == line) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]}; - for (var i = 0; i < lineView.rest.length; i++) - if (lineNo(lineView.rest[i]) > lineN) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true}; + { if (lineView.rest[i] == line) + { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } + for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) + { if (lineNo(lineView.rest[i$1]) > lineN) + { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } } // Render a line into the hidden node display.externalMeasured. Used @@ -2584,22 +2448,22 @@ var built = view.built = buildLineContent(cm, view); view.text = built.pre; removeChildrenAndAdd(cm.display.lineMeasure, built.pre); - return view; + return view } // Get a {top, bottom, left, right} box (in line-local coordinates) // for a given character. function measureChar(cm, line, ch, bias) { - return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias); + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) } // Find a line view that corresponds to the given line number. function findViewForLine(cm, lineN) { if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) - return cm.display.view[findViewIndex(cm, lineN)]; + { return cm.display.view[findViewIndex(cm, lineN)] } var ext = cm.display.externalMeasured; if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) - return ext; + { return ext } } // Measurement can be split in two steps, the set-up work that @@ -2617,84 +2481,85 @@ cm.curOp.forceUpdate = true; } if (!view) - view = updateExternalMeasurement(cm, line); + { view = updateExternalMeasurement(cm, line); } var info = mapFromLineView(view, line, lineN); return { line: line, view: view, rect: null, map: info.map, cache: info.cache, before: info.before, hasHeights: false - }; + } } // Given a prepared measurement object, measures the position of an // actual character (or fetches it from the cache). function measureCharPrepared(cm, prepared, ch, bias, varHeight) { - if (prepared.before) ch = -1; + if (prepared.before) { ch = -1; } var key = ch + (bias || ""), found; if (prepared.cache.hasOwnProperty(key)) { found = prepared.cache[key]; } else { if (!prepared.rect) - prepared.rect = prepared.view.text.getBoundingClientRect(); + { prepared.rect = prepared.view.text.getBoundingClientRect(); } if (!prepared.hasHeights) { ensureLineHeights(cm, prepared.view, prepared.rect); prepared.hasHeights = true; } found = measureCharInner(cm, prepared, ch, bias); - if (!found.bogus) prepared.cache[key] = found; + if (!found.bogus) { prepared.cache[key] = found; } } return {left: found.left, right: found.right, top: varHeight ? found.rtop : found.top, - bottom: varHeight ? found.rbottom : found.bottom}; + bottom: varHeight ? found.rbottom : found.bottom} } var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; - function nodeAndOffsetInLineMap(map, ch, bias) { - var node, start, end, collapse; + function nodeAndOffsetInLineMap(map$$1, ch, bias) { + var node, start, end, collapse, mStart, mEnd; // First, search the line map for the text node corresponding to, // or closest to, the target character. - for (var i = 0; i < map.length; i += 3) { - var mStart = map[i], mEnd = map[i + 1]; + for (var i = 0; i < map$$1.length; i += 3) { + mStart = map$$1[i]; + mEnd = map$$1[i + 1]; if (ch < mStart) { start = 0; end = 1; collapse = "left"; } else if (ch < mEnd) { start = ch - mStart; end = start + 1; - } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { + } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) { end = mEnd - mStart; start = end - 1; - if (ch >= mEnd) collapse = "right"; + if (ch >= mEnd) { collapse = "right"; } } if (start != null) { - node = map[i + 2]; + node = map$$1[i + 2]; if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) - collapse = bias; + { collapse = bias; } if (bias == "left" && start == 0) - while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { - node = map[(i -= 3) + 2]; + { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) { + node = map$$1[(i -= 3) + 2]; collapse = "left"; - } + } } if (bias == "right" && start == mEnd - mStart) - while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { - node = map[(i += 3) + 2]; + { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) { + node = map$$1[(i += 3) + 2]; collapse = "right"; - } - break; + } } + break } } - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} } function getUsefulRect(rects, bias) { - var rect = nullRect - if (bias == "left") for (var i = 0; i < rects.length; i++) { - if ((rect = rects[i]).left != rect.right) break - } else for (var i = rects.length - 1; i >= 0; i--) { - if ((rect = rects[i]).left != rect.right) break - } + var rect = nullRect; + if (bias == "left") { for (var i = 0; i < rects.length; i++) { + if ((rect = rects[i]).left != rect.right) { break } + } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { + if ((rect = rects[i$1]).left != rect.right) { break } + } } return rect } @@ -2704,48 +2569,49 @@ var rect; if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; + for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; } + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; } if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) - rect = node.parentNode.getBoundingClientRect(); + { rect = node.parentNode.getBoundingClientRect(); } else - rect = getUsefulRect(range(node, start, end).getClientRects(), bias) - if (rect.left || rect.right || start == 0) break; + { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); } + if (rect.left || rect.right || start == 0) { break } end = start; start = start - 1; collapse = "right"; } - if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); + if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); } } else { // If it is a widget, simply get the box for the whole widget. - if (start > 0) collapse = bias = "right"; + if (start > 0) { collapse = bias = "right"; } var rects; if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) - rect = rects[bias == "right" ? rects.length - 1 : 0]; + { rect = rects[bias == "right" ? rects.length - 1 : 0]; } else - rect = node.getBoundingClientRect(); + { rect = node.getBoundingClientRect(); } } if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { var rSpan = node.parentNode.getClientRects()[0]; if (rSpan) - rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; + { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; } else - rect = nullRect; + { rect = nullRect; } } var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; var mid = (rtop + rbot) / 2; var heights = prepared.view.measure.heights; - for (var i = 0; i < heights.length - 1; i++) - if (mid < heights[i]) break; + var i = 0; + for (; i < heights.length - 1; i++) + { if (mid < heights[i]) { break } } var top = i ? heights[i - 1] : 0, bot = heights[i]; var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, top: top, bottom: bot}; - if (!rect.left && !rect.right) result.bogus = true; + if (!rect.left && !rect.right) { result.bogus = true; } if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } - return result; + return result } // Work around problem with bounding client rects on ranges being @@ -2753,19 +2619,19 @@ function maybeUpdateRectForZooming(measure, rect) { if (!window.screen || screen.logicalXDPI == null || screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) - return rect; + { return rect } var scaleX = screen.logicalXDPI / screen.deviceXDPI; var scaleY = screen.logicalYDPI / screen.deviceYDPI; return {left: rect.left * scaleX, right: rect.right * scaleX, - top: rect.top * scaleY, bottom: rect.bottom * scaleY}; + top: rect.top * scaleY, bottom: rect.bottom * scaleY} } function clearLineMeasurementCacheFor(lineView) { if (lineView.measure) { lineView.measure.cache = {}; lineView.measure.heights = null; - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - lineView.measure.caches[i] = {}; + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { lineView.measure.caches[i] = {}; } } } } @@ -2773,33 +2639,49 @@ cm.display.externalMeasure = null; removeChildren(cm.display.lineMeasure); for (var i = 0; i < cm.display.view.length; i++) - clearLineMeasurementCacheFor(cm.display.view[i]); + { clearLineMeasurementCacheFor(cm.display.view[i]); } } function clearCaches(cm) { clearLineMeasurementCache(cm); cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; - if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; + if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; } cm.display.lineNumChars = null; } - function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } - function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } + function pageScrollX() { + // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206 + // which causes page_Offset and bounding client rects to use + // different reference viewports and invalidate our calculations. + if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) } + return window.pageXOffset || (document.documentElement || document.body).scrollLeft + } + function pageScrollY() { + if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) } + return window.pageYOffset || (document.documentElement || document.body).scrollTop + } + + function widgetTopHeight(lineObj) { + var height = 0; + if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above) + { height += widgetHeight(lineObj.widgets[i]); } } } + return height + } // Converts a {top, bottom, left, right} box from line-local // coordinates into another coordinate system. Context may be one of - // "line", "div" (display.lineDiv), "local"/null (editor), "window", + // "line", "div" (display.lineDiv), "local"./null (editor), "window", // or "page". - function intoCoordSystem(cm, lineObj, rect, context) { - if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { - var size = widgetHeight(lineObj.widgets[i]); - rect.top += size; rect.bottom += size; + function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { + if (!includeWidgets) { + var height = widgetTopHeight(lineObj); + rect.top += height; rect.bottom += height; } - if (context == "line") return rect; - if (!context) context = "local"; + if (context == "line") { return rect } + if (!context) { context = "local"; } var yOff = heightAtLine(lineObj); - if (context == "local") yOff += paddingTop(cm.display); - else yOff -= cm.display.viewOffset; + if (context == "local") { yOff += paddingTop(cm.display); } + else { yOff -= cm.display.viewOffset; } if (context == "page" || context == "window") { var lOff = cm.display.lineSpace.getBoundingClientRect(); yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); @@ -2807,13 +2689,13 @@ rect.left += xOff; rect.right += xOff; } rect.top += yOff; rect.bottom += yOff; - return rect; + return rect } // Coverts a box from "div" coords to another coordinate system. - // Context may be "window", "page", "div", or "local"/null. + // Context may be "window", "page", "div", or "local"./null. function fromCoordSystem(cm, coords, context) { - if (context == "div") return coords; + if (context == "div") { return coords } var left = coords.left, top = coords.top; // First move into "page" coordinate system if (context == "page") { @@ -2826,55 +2708,68 @@ } var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} } function charCoords(cm, pos, context, lineObj, bias) { - if (!lineObj) lineObj = getLine(cm.doc, pos.line); - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); + if (!lineObj) { lineObj = getLine(cm.doc, pos.line); } + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) } // Returns a box for a given cursor position, which may have an // 'other' property containing the position of the secondary cursor // on a bidi boundary. + // A cursor Pos(line, char, "before") is on the same visual line as `char - 1` + // and after `char - 1` in writing order of `char - 1` + // A cursor Pos(line, char, "after") is on the same visual line as `char` + // and before `char` in writing order of `char` + // Examples (upper-case letters are RTL, lower-case are LTR): + // Pos(0, 1, ...) + // before after + // ab a|b a|b + // aB a|B aB| + // Ab |Ab A|b + // AB B|A B|A + // Every position after the last character on a line is considered to stick + // to the last character on the line. function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { lineObj = lineObj || getLine(cm.doc, pos.line); - if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } function get(ch, right) { var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); - if (right) m.left = m.right; else m.right = m.left; - return intoCoordSystem(cm, lineObj, m, context); - } - function getBidi(ch, partPos) { - var part = order[partPos], right = part.level % 2; - if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { - part = order[--partPos]; - ch = bidiRight(part) - (part.level % 2 ? 0 : 1); - right = true; - } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { - part = order[++partPos]; - ch = bidiLeft(part) - part.level % 2; - right = false; - } - if (right && ch == part.to && ch > part.from) return get(ch - 1); - return get(ch, right); - } - var order = getOrder(lineObj), ch = pos.ch; - if (!order) return get(ch); - var partPos = getBidiPartAt(order, ch); - var val = getBidi(ch, partPos); - if (bidiOther != null) val.other = getBidi(ch, bidiOther); - return val; + if (right) { m.left = m.right; } else { m.right = m.left; } + return intoCoordSystem(cm, lineObj, m, context) + } + var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky; + if (ch >= lineObj.text.length) { + ch = lineObj.text.length; + sticky = "before"; + } else if (ch <= 0) { + ch = 0; + sticky = "after"; + } + if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") } + + function getBidi(ch, partPos, invert) { + var part = order[partPos], right = part.level == 1; + return get(invert ? ch - 1 : ch, right != invert) + } + var partPos = getBidiPartAt(order, ch, sticky); + var other = bidiOther; + var val = getBidi(ch, partPos, sticky == "before"); + if (other != null) { val.other = getBidi(ch, other, sticky != "before"); } + return val } // Used to cheaply estimate the coordinates for a position. Used for // intermediate scroll updates. function estimateCoords(cm, pos) { - var left = 0, pos = clipPos(cm.doc, pos); - if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; + var left = 0; + pos = clipPos(cm.doc, pos); + if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; } var lineObj = getLine(cm.doc, pos.line); var top = heightAtLine(lineObj) + paddingTop(cm.display); - return {left: left, right: left, top: top, bottom: top + lineObj.height}; + return {left: left, right: left, top: top, bottom: top + lineObj.height} } // Positions returned by coordsChar contain some extra information. @@ -2883,11 +2778,11 @@ // the right of the character position, for example). When outside // is true, that means the coordinates lie outside the line's // vertical range. - function PosWithInfo(line, ch, outside, xRel) { - var pos = Pos(line, ch); + function PosWithInfo(line, ch, sticky, outside, xRel) { + var pos = Pos(line, ch, sticky); pos.xRel = xRel; - if (outside) pos.outside = true; - return pos; + if (outside) { pos.outside = true; } + return pos } // Compute the character position closest to the given coordinates. @@ -2895,81 +2790,171 @@ function coordsChar(cm, x, y) { var doc = cm.doc; y += cm.display.viewOffset; - if (y < 0) return PosWithInfo(doc.first, 0, true, -1); + if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) } var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; if (lineN > last) - return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); - if (x < 0) x = 0; + { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) } + if (x < 0) { x = 0; } var lineObj = getLine(doc, lineN); for (;;) { var found = coordsCharInner(cm, lineObj, lineN, x, y); - var merged = collapsedSpanAtEnd(lineObj); - var mergedPos = merged && merged.find(0, true); - if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) - lineN = lineNo(lineObj = mergedPos.to.line); - else - return found; + var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 ? 1 : 0)); + if (!collapsed) { return found } + var rangeEnd = collapsed.find(1); + if (rangeEnd.line == lineN) { return rangeEnd } + lineObj = getLine(doc, lineN = rangeEnd.line); } } - function coordsCharInner(cm, lineObj, lineNo, x, y) { - var innerOff = y - heightAtLine(lineObj); - var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; - var preparedMeasure = prepareMeasureForLine(cm, lineObj); + function wrappedLineExtent(cm, lineObj, preparedMeasure, y) { + y -= widgetTopHeight(lineObj); + var end = lineObj.text.length; + var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0); + end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end); + return {begin: begin, end: end} + } - function getX(ch) { - var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); - wrongLine = true; - if (innerOff > sp.bottom) return sp.left - adjust; - else if (innerOff < sp.top) return sp.left + adjust; - else wrongLine = false; - return sp.left; - } + function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) { + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } + var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top; + return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop) + } - var bidi = getOrder(lineObj), dist = lineObj.text.length; - var from = lineLeft(lineObj), to = lineRight(lineObj); - var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; + // Returns true if the given side of a box is after the given + // coordinates, in top-to-bottom, left-to-right order. + function boxIsAfter(box, x, y, left) { + return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x + } - if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); - // Do a binary search between these bounds. - for (;;) { - if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { - var ch = x < fromX || x - fromX <= toX - x ? from : to; - var outside = ch == from ? fromOutside : toOutside - var xDiff = x - (ch == from ? fromX : toX); - // This is a kludge to handle the case where the coordinates - // are after a line-wrapped line. We should replace it with a - // more general handling of cursor positions around line - // breaks. (Issue #4078) - if (toOutside && !bidi && !/\s/.test(lineObj.text.charAt(ch)) && xDiff > 0 && - ch < lineObj.text.length && preparedMeasure.view.measure.heights.length > 1) { - var charSize = measureCharPrepared(cm, preparedMeasure, ch, "right"); - if (innerOff <= charSize.bottom && innerOff >= charSize.top && Math.abs(x - charSize.right) < xDiff) { - outside = false - ch++ - xDiff = x - charSize.right - } - } - while (isExtendingChar(lineObj.text.charAt(ch))) ++ch; - var pos = PosWithInfo(lineNo, ch, outside, xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0); - return pos; - } - var step = Math.ceil(dist / 2), middle = from + step; - if (bidi) { - middle = from; - for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); - } - var middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} - else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} - } + function coordsCharInner(cm, lineObj, lineNo$$1, x, y) { + // Move y into line-local coordinate space + y -= heightAtLine(lineObj); + var preparedMeasure = prepareMeasureForLine(cm, lineObj); + // When directly calling `measureCharPrepared`, we have to adjust + // for the widgets at this line. + var widgetHeight$$1 = widgetTopHeight(lineObj); + var begin = 0, end = lineObj.text.length, ltr = true; + + var order = getOrder(lineObj, cm.doc.direction); + // If the line isn't plain left-to-right text, first figure out + // which bidi section the coordinates fall into. + if (order) { + var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart) + (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y); + ltr = part.level != 1; + // The awkward -1 offsets are needed because findFirst (called + // on these below) will treat its first bound as inclusive, + // second as exclusive, but we want to actually address the + // characters in the part's range + begin = ltr ? part.from : part.to - 1; + end = ltr ? part.to : part.from - 1; + } + + // A binary search to find the first character whose bounding box + // starts after the coordinates. If we run across any whose box wrap + // the coordinates, store that. + var chAround = null, boxAround = null; + var ch = findFirst(function (ch) { + var box = measureCharPrepared(cm, preparedMeasure, ch); + box.top += widgetHeight$$1; box.bottom += widgetHeight$$1; + if (!boxIsAfter(box, x, y, false)) { return false } + if (box.top <= y && box.left <= x) { + chAround = ch; + boxAround = box; + } + return true + }, begin, end); + + var baseX, sticky, outside = false; + // If a box around the coordinates was found, use that + if (boxAround) { + // Distinguish coordinates nearer to the left or right side of the box + var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr; + ch = chAround + (atStart ? 0 : 1); + sticky = atStart ? "after" : "before"; + baseX = atLeft ? boxAround.left : boxAround.right; + } else { + // (Adjust for extended bound, if necessary.) + if (!ltr && (ch == end || ch == begin)) { ch++; } + // To determine which side to associate with, get the box to the + // left of the character and compare it's vertical position to the + // coordinates + sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" : + (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ? + "after" : "before"; + // Now get accurate coordinates for this place, in order to get a + // base X position + var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure); + baseX = coords.left; + outside = y < coords.top || y >= coords.bottom; + } + + ch = skipExtendingChars(lineObj.text, ch, 1); + return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX) + } + + function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) { + // Bidi parts are sorted left-to-right, and in a non-line-wrapping + // situation, we can take this ordering to correspond to the visual + // ordering. This finds the first part whose end is after the given + // coordinates. + var index = findFirst(function (i) { + var part = order[i], ltr = part.level != 1; + return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"), + "line", lineObj, preparedMeasure), x, y, true) + }, 0, order.length - 1); + var part = order[index]; + // If this isn't the first part, the part's start is also after + // the coordinates, and the coordinates aren't on the same line as + // that start, move one part back. + if (index > 0) { + var ltr = part.level != 1; + var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"), + "line", lineObj, preparedMeasure); + if (boxIsAfter(start, x, y, true) && start.top > y) + { part = order[index - 1]; } + } + return part + } + + function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) { + // In a wrapped line, rtl text on wrapping boundaries can do things + // that don't correspond to the ordering in our `order` array at + // all, so a binary search doesn't work, and we want to return a + // part that only spans one line so that the binary search in + // coordsCharInner is safe. As such, we first find the extent of the + // wrapped line, and then do a flat search in which we discard any + // spans that aren't on the line. + var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y); + var begin = ref.begin; + var end = ref.end; + if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; } + var part = null, closestDist = null; + for (var i = 0; i < order.length; i++) { + var p = order[i]; + if (p.from >= end || p.to <= begin) { continue } + var ltr = p.level != 1; + var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right; + // Weigh against spans ending before this, so that they are only + // picked if nothing ends after + var dist = endX < x ? x - endX + 1e9 : endX - x; + if (!part || closestDist > dist) { + part = p; + closestDist = dist; + } + } + if (!part) { part = order[order.length - 1]; } + // Clip the part to the wrapped line. + if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; } + if (part.to > end) { part = {from: part.from, to: end, level: part.level}; } + return part } var measureText; // Compute the default text height. function textHeight(display) { - if (display.cachedTextHeight != null) return display.cachedTextHeight; + if (display.cachedTextHeight != null) { return display.cachedTextHeight } if (measureText == null) { measureText = elt("pre"); // Measure a bunch of lines, for browsers that compute @@ -2982,23 +2967,773 @@ } removeChildrenAndAdd(display.measure, measureText); var height = measureText.offsetHeight / 50; - if (height > 3) display.cachedTextHeight = height; + if (height > 3) { display.cachedTextHeight = height; } removeChildren(display.measure); - return height || 1; + return height || 1 } // Compute the default character width. function charWidth(display) { - if (display.cachedCharWidth != null) return display.cachedCharWidth; + if (display.cachedCharWidth != null) { return display.cachedCharWidth } var anchor = elt("span", "xxxxxxxxxx"); var pre = elt("pre", [anchor]); removeChildrenAndAdd(display.measure, pre); var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; - if (width > 2) display.cachedCharWidth = width; - return width || 10; + if (width > 2) { display.cachedCharWidth = width; } + return width || 10 } - // OPERATIONS + // Do a bulk-read of the DOM positions and sizes needed to draw the + // view, so that we don't interleave reading and writing to the DOM. + function getDimensions(cm) { + var d = cm.display, left = {}, width = {}; + var gutterLeft = d.gutters.clientLeft; + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; + width[cm.options.gutters[i]] = n.clientWidth; + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth} + } + + // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, + // but using getBoundingClientRect to get a sub-pixel-accurate + // result. + function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left + } + + // Returns a function that estimates the height of a line, to use as + // first approximation until the line becomes visible (and is thus + // properly measurable). + function estimateHeight(cm) { + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); + return function (line) { + if (lineIsHidden(cm.doc, line)) { return 0 } + + var widgetsHeight = 0; + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; } + } } + + if (wrapping) + { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } + else + { return widgetsHeight + th } + } + } + + function estimateLineHeights(cm) { + var doc = cm.doc, est = estimateHeight(cm); + doc.iter(function (line) { + var estHeight = est(line); + if (estHeight != line.height) { updateLineHeight(line, estHeight); } + }); + } + + // Given a mouse event, find the corresponding position. If liberal + // is false, it checks whether a gutter or scrollbar was clicked, + // and returns null if it was. forRect is used by rectangular + // selections, and tries to estimate a character position even for + // coordinates beyond the right of the text. + function posFromMouse(cm, e, liberal, forRect) { + var display = cm.display; + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } + + var x, y, space = display.lineSpace.getBoundingClientRect(); + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX - space.left; y = e.clientY - space.top; } + catch (e) { return null } + var coords = coordsChar(cm, x, y), line; + if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + } + return coords + } + + // Find the view element corresponding to a given line. Return null + // when the line isn't visible. + function findViewIndex(cm, n) { + if (n >= cm.display.viewTo) { return null } + n -= cm.display.viewFrom; + if (n < 0) { return null } + var view = cm.display.view; + for (var i = 0; i < view.length; i++) { + n -= view[i].size; + if (n < 0) { return i } + } + } + + function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()); + } + + function prepareSelection(cm, primary) { + if ( primary === void 0 ) primary = true; + + var doc = cm.doc, result = {}; + var curFragment = result.cursors = document.createDocumentFragment(); + var selFragment = result.selection = document.createDocumentFragment(); + + for (var i = 0; i < doc.sel.ranges.length; i++) { + if (!primary && i == doc.sel.primIndex) { continue } + var range$$1 = doc.sel.ranges[i]; + if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue } + var collapsed = range$$1.empty(); + if (collapsed || cm.options.showCursorWhenSelecting) + { drawSelectionCursor(cm, range$$1.head, curFragment); } + if (!collapsed) + { drawSelectionRange(cm, range$$1, selFragment); } + } + return result + } + + // Draws a cursor for the given range + function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); + + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); + cursor.style.left = pos.left + "px"; + cursor.style.top = pos.top + "px"; + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + + if (pos.other) { + // Secondary cursor, shown when on a 'jump' in bi-directional text + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); + otherCursor.style.display = ""; + otherCursor.style.left = pos.other.left + "px"; + otherCursor.style.top = pos.other.top + "px"; + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + } + } + + function cmpCoords(a, b) { return a.top - b.top || a.left - b.left } + + // Draws the given range as a highlighted selection + function drawSelectionRange(cm, range$$1, output) { + var display = cm.display, doc = cm.doc; + var fragment = document.createDocumentFragment(); + var padding = paddingH(cm.display), leftSide = padding.left; + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; + var docLTR = doc.direction == "ltr"; + + function add(left, top, width, bottom) { + if (top < 0) { top = 0; } + top = Math.round(top); + bottom = Math.round(bottom); + fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))); + } + + function drawForLine(line, fromArg, toArg) { + var lineObj = getLine(doc, line); + var lineLen = lineObj.text.length; + var start, end; + function coords(ch, bias) { + return charCoords(cm, Pos(line, ch), "div", lineObj, bias) + } + + function wrapX(pos, dir, side) { + var extent = wrappedLineExtentChar(cm, lineObj, null, pos); + var prop = (dir == "ltr") == (side == "after") ? "left" : "right"; + var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1); + return coords(ch, prop)[prop] + } + + var order = getOrder(lineObj, doc.direction); + iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) { + var ltr = dir == "ltr"; + var fromPos = coords(from, ltr ? "left" : "right"); + var toPos = coords(to - 1, ltr ? "right" : "left"); + + var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen; + var first = i == 0, last = !order || i == order.length - 1; + if (toPos.top - fromPos.top <= 3) { // Single line + var openLeft = (docLTR ? openStart : openEnd) && first; + var openRight = (docLTR ? openEnd : openStart) && last; + var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left; + var right = openRight ? rightSide : (ltr ? toPos : fromPos).right; + add(left, fromPos.top, right - left, fromPos.bottom); + } else { // Multiple lines + var topLeft, topRight, botLeft, botRight; + if (ltr) { + topLeft = docLTR && openStart && first ? leftSide : fromPos.left; + topRight = docLTR ? rightSide : wrapX(from, dir, "before"); + botLeft = docLTR ? leftSide : wrapX(to, dir, "after"); + botRight = docLTR && openEnd && last ? rightSide : toPos.right; + } else { + topLeft = !docLTR ? leftSide : wrapX(from, dir, "before"); + topRight = !docLTR && openStart && first ? rightSide : fromPos.right; + botLeft = !docLTR && openEnd && last ? leftSide : toPos.left; + botRight = !docLTR ? rightSide : wrapX(to, dir, "after"); + } + add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom); + if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); } + add(botLeft, toPos.top, botRight - botLeft, toPos.bottom); + } + + if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; } + if (cmpCoords(toPos, start) < 0) { start = toPos; } + if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; } + if (cmpCoords(toPos, end) < 0) { end = toPos; } + }); + return {start: start, end: end} + } + + var sFrom = range$$1.from(), sTo = range$$1.to(); + if (sFrom.line == sTo.line) { + drawForLine(sFrom.line, sFrom.ch, sTo.ch); + } else { + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); + var singleVLine = visualLine(fromLine) == visualLine(toLine); + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; + if (singleVLine) { + if (leftEnd.top < rightStart.top - 2) { + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); + } else { + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + } + } + if (leftEnd.bottom < rightStart.top) + { add(leftSide, leftEnd.bottom, null, rightStart.top); } + } + + output.appendChild(fragment); + } + + // Cursor-blinking + function restartBlink(cm) { + if (!cm.state.focused) { return } + var display = cm.display; + clearInterval(display.blinker); + var on = true; + display.cursorDiv.style.visibility = ""; + if (cm.options.cursorBlinkRate > 0) + { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; }, + cm.options.cursorBlinkRate); } + else if (cm.options.cursorBlinkRate < 0) + { display.cursorDiv.style.visibility = "hidden"; } + } + + function ensureFocus(cm) { + if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } + } + + function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true; + setTimeout(function () { if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false; + onBlur(cm); + } }, 100); + } + + function onFocus(cm, e) { + if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; } + + if (cm.options.readOnly == "nocursor") { return } + if (!cm.state.focused) { + signal(cm, "focus", cm, e); + cm.state.focused = true; + addClass(cm.display.wrapper, "CodeMirror-focused"); + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the + // select-all detection hack) + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { + cm.display.input.reset(); + if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730 + } + cm.display.input.receivedFocus(); + } + restartBlink(cm); + } + function onBlur(cm, e) { + if (cm.state.delayingBlurEvent) { return } + + if (cm.state.focused) { + signal(cm, "blur", cm, e); + cm.state.focused = false; + rmClass(cm.display.wrapper, "CodeMirror-focused"); + } + clearInterval(cm.display.blinker); + setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150); + } + + // Read the actual heights of the rendered lines, and update their + // stored heights to match. + function updateHeightsInViewport(cm) { + var display = cm.display; + var prevBottom = display.lineDiv.offsetTop; + for (var i = 0; i < display.view.length; i++) { + var cur = display.view[i], wrapping = cm.options.lineWrapping; + var height = (void 0), width = 0; + if (cur.hidden) { continue } + if (ie && ie_version < 8) { + var bot = cur.node.offsetTop + cur.node.offsetHeight; + height = bot - prevBottom; + prevBottom = bot; + } else { + var box = cur.node.getBoundingClientRect(); + height = box.bottom - box.top; + // Check that lines don't extend past the right of the current + // editor width + if (!wrapping && cur.text.firstChild) + { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; } + } + var diff = cur.line.height - height; + if (height < 2) { height = textHeight(display); } + if (diff > .005 || diff < -.005) { + updateLineHeight(cur.line, height); + updateWidgetHeight(cur.line); + if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) + { updateWidgetHeight(cur.rest[j]); } } + } + if (width > cm.display.sizerWidth) { + var chWidth = Math.ceil(width / charWidth(cm.display)); + if (chWidth > cm.display.maxLineLength) { + cm.display.maxLineLength = chWidth; + cm.display.maxLine = cur.line; + cm.display.maxLineChanged = true; + } + } + } + } + + // Read and store the height of line widgets associated with the + // given line. + function updateWidgetHeight(line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) { + var w = line.widgets[i], parent = w.node.parentNode; + if (parent) { w.height = parent.offsetHeight; } + } } + } + + // Compute the lines that are visible in a given viewport (defaults + // the the current scroll position). viewport may contain top, + // height, and ensure (see op.scrollToPos) properties. + function visibleLines(display, doc, viewport) { + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; + top = Math.floor(top - paddingTop(display)); + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; + + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and + // forces those lines into the viewport (if possible). + if (viewport && viewport.ensure) { + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; + if (ensureFrom < from) { + from = ensureFrom; + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + to = ensureTo; + } + } + return {from: from, to: Math.max(to, from + 1)} + } + + // Re-align line numbers and gutter marks to compensate for + // horizontal scrolling. + function alignHorizontally(cm) { + var display = cm.display, view = display.view; + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; + var gutterW = display.gutters.offsetWidth, left = comp + "px"; + for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { + if (cm.options.fixedGutter) { + if (view[i].gutter) + { view[i].gutter.style.left = left; } + if (view[i].gutterBackground) + { view[i].gutterBackground.style.left = left; } + } + var align = view[i].alignable; + if (align) { for (var j = 0; j < align.length; j++) + { align[j].style.left = left; } } + } } + if (cm.options.fixedGutter) + { display.gutters.style.left = (comp + gutterW) + "px"; } + } + + // Used to ensure that the line number gutter is still the right + // size for the current document size. Returns true when an update + // is needed. + function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) { return false } + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")); + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + display.lineGutter.style.width = ""; + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; + display.lineNumWidth = display.lineNumInnerWidth + padding; + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; + display.lineGutter.style.width = display.lineNumWidth + "px"; + updateGutterSpace(cm); + return true + } + return false + } + + // SCROLLING THINGS INTO VIEW + + // If an editor sits on the top or bottom of the window, partially + // scrolled out of view, this ensures that the cursor is visible. + function maybeScrollWindow(cm, rect) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } + + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; + if (rect.top + box.top < 0) { doScroll = true; } + else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; } + if (doScroll != null && !phantom) { + var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;")); + cm.display.lineSpace.appendChild(scrollNode); + scrollNode.scrollIntoView(doScroll); + cm.display.lineSpace.removeChild(scrollNode); + } + } + + // Scroll a given position into view (immediately), verifying that + // it actually became visible (as line heights are accurately + // measured, the position of something may 'drift' during drawing). + function scrollPosIntoView(cm, pos, end, margin) { + if (margin == null) { margin = 0; } + var rect; + if (!cm.options.lineWrapping && pos == end) { + // Set pos and end to the cursor positions around the character pos sticks to + // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch + // If pos == Pos(_, 0, "before"), pos and end are unchanged + pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos; + end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos; + } + for (var limit = 0; limit < 5; limit++) { + var changed = false; + var coords = cursorCoords(cm, pos); + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); + rect = {left: Math.min(coords.left, endCoords.left), + top: Math.min(coords.top, endCoords.top) - margin, + right: Math.max(coords.left, endCoords.left), + bottom: Math.max(coords.bottom, endCoords.bottom) + margin}; + var scrollPos = calculateScrollPos(cm, rect); + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; + if (scrollPos.scrollTop != null) { + updateScrollTop(cm, scrollPos.scrollTop); + if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; } + } + if (scrollPos.scrollLeft != null) { + setScrollLeft(cm, scrollPos.scrollLeft); + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; } + } + if (!changed) { break } + } + return rect + } + + // Scroll a given set of coordinates into view (immediately). + function scrollIntoView(cm, rect) { + var scrollPos = calculateScrollPos(cm, rect); + if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); } + if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); } + } + + // Calculate a new scroll position needed to scroll the given + // rectangle into view. Returns an object with scrollTop and + // scrollLeft properties. When these are undefined, the + // vertical/horizontal position does not need to be adjusted. + function calculateScrollPos(cm, rect) { + var display = cm.display, snapMargin = textHeight(cm.display); + if (rect.top < 0) { rect.top = 0; } + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; + var screen = displayHeight(cm), result = {}; + if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; } + var docBottom = cm.doc.height + paddingVert(display); + var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin; + if (rect.top < screentop) { + result.scrollTop = atTop ? 0 : rect.top; + } else if (rect.bottom > screentop + screen) { + var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen); + if (newTop != screentop) { result.scrollTop = newTop; } + } + + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; + var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); + var tooWide = rect.right - rect.left > screenw; + if (tooWide) { rect.right = rect.left + screenw; } + if (rect.left < 10) + { result.scrollLeft = 0; } + else if (rect.left < screenleft) + { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); } + else if (rect.right > screenw + screenleft - 3) + { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; } + return result + } + + // Store a relative adjustment to the scroll position in the current + // operation (to be applied when the operation finishes). + function addToScrollTop(cm, top) { + if (top == null) { return } + resolveScrollToPos(cm); + cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; + } + + // Make sure that at the end of the operation the current cursor is + // shown. + function ensureCursorVisible(cm) { + resolveScrollToPos(cm); + var cur = cm.getCursor(); + cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin}; + } + + function scrollToCoords(cm, x, y) { + if (x != null || y != null) { resolveScrollToPos(cm); } + if (x != null) { cm.curOp.scrollLeft = x; } + if (y != null) { cm.curOp.scrollTop = y; } + } + + function scrollToRange(cm, range$$1) { + resolveScrollToPos(cm); + cm.curOp.scrollToPos = range$$1; + } + + // When an operation has its scrollToPos property set, and another + // scroll action is applied before the end of the operation, this + // 'simulates' scrolling that position into view in a cheap way, so + // that the effect of intermediate scroll commands is not ignored. + function resolveScrollToPos(cm) { + var range$$1 = cm.curOp.scrollToPos; + if (range$$1) { + cm.curOp.scrollToPos = null; + var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to); + scrollToCoordsRange(cm, from, to, range$$1.margin); + } + } + + function scrollToCoordsRange(cm, from, to, margin) { + var sPos = calculateScrollPos(cm, { + left: Math.min(from.left, to.left), + top: Math.min(from.top, to.top) - margin, + right: Math.max(from.right, to.right), + bottom: Math.max(from.bottom, to.bottom) + margin + }); + scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop); + } + + // Sync the scrollable area and scrollbars, ensure the viewport + // covers the visible area. + function updateScrollTop(cm, val) { + if (Math.abs(cm.doc.scrollTop - val) < 2) { return } + if (!gecko) { updateDisplaySimple(cm, {top: val}); } + setScrollTop(cm, val, true); + if (gecko) { updateDisplaySimple(cm); } + startWorker(cm, 100); + } + + function setScrollTop(cm, val, forceScroll) { + val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val); + if (cm.display.scroller.scrollTop == val && !forceScroll) { return } + cm.doc.scrollTop = val; + cm.display.scrollbars.setScrollTop(val); + if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; } + } + + // Sync scroller and scrollbar, ensure the gutter elements are + // aligned. + function setScrollLeft(cm, val, isScroller, forceScroll) { + val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); + if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return } + cm.doc.scrollLeft = val; + alignHorizontally(cm); + if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; } + cm.display.scrollbars.setScrollLeft(val); + } + + // SCROLLBARS + + // Prepare DOM reads needed to update the scrollbars. Done in one + // shot to minimize update/measure roundtrips. + function measureForScrollbars(cm) { + var d = cm.display, gutterW = d.gutters.offsetWidth; + var docH = Math.round(cm.doc.height + paddingVert(cm.display)); + return { + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW + } + } + + var NativeScrollbars = function(place, scroll, cm) { + this.cm = cm; + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); + vert.tabIndex = horiz.tabIndex = -1; + place(vert); place(horiz); + + on(vert, "scroll", function () { + if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); } + }); + on(horiz, "scroll", function () { + if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); } + }); + + this.checkedZeroWidth = false; + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; } + }; + + NativeScrollbars.prototype.update = function (measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; + } else { + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; + } + + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } + + if (!this.checkedZeroWidth && measure.clientHeight > 0) { + if (sWidth == 0) { this.zeroWidthHack(); } + this.checkedZeroWidth = true; + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} + }; + + NativeScrollbars.prototype.setScrollLeft = function (pos) { + if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; } + if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); } + }; + + NativeScrollbars.prototype.setScrollTop = function (pos) { + if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; } + if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); } + }; + + NativeScrollbars.prototype.zeroWidthHack = function () { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.height = this.vert.style.width = w; + this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; + this.disableHoriz = new Delayed; + this.disableVert = new Delayed; + }; + + NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) { + bar.style.pointerEvents = "auto"; + function maybeDisable() { + // To find out whether the scrollbar is still visible, we + // check whether the element under the pixel in the bottom + // right corner of the scrollbar box is the scrollbar box + // itself (when the bar is still visible) or its filler child + // (when the bar is hidden). If it is still visible, we keep + // it enabled, if it's hidden, we disable pointer events. + var box = bar.getBoundingClientRect(); + var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2) + : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1); + if (elt$$1 != bar) { bar.style.pointerEvents = "none"; } + else { delay.set(1000, maybeDisable); } + } + delay.set(1000, maybeDisable); + }; + + NativeScrollbars.prototype.clear = function () { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + }; + + var NullScrollbars = function () {}; + + NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; + NullScrollbars.prototype.setScrollLeft = function () {}; + NullScrollbars.prototype.setScrollTop = function () {}; + NullScrollbars.prototype.clear = function () {}; + + function updateScrollbars(cm, measure) { + if (!measure) { measure = measureForScrollbars(cm); } + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + updateScrollbarsInner(cm, measure); + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + { updateHeightsInViewport(cm); } + updateScrollbarsInner(cm, measureForScrollbars(cm)); + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; + } + } + + // Re-synchronize the fake scrollbars with the actual size of the + // content. + function updateScrollbarsInner(cm, measure) { + var d = cm.display; + var sizes = d.scrollbars.update(measure); + + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"; + + if (sizes.right && sizes.bottom) { + d.scrollbarFiller.style.display = "block"; + d.scrollbarFiller.style.height = sizes.bottom + "px"; + d.scrollbarFiller.style.width = sizes.right + "px"; + } else { d.scrollbarFiller.style.display = ""; } + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + d.gutterFiller.style.display = "block"; + d.gutterFiller.style.height = sizes.bottom + "px"; + d.gutterFiller.style.width = measure.gutterWidth + "px"; + } else { d.gutterFiller.style.display = ""; } + } + + var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + + function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear(); + if (cm.display.scrollbars.addClass) + { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } + + cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function () { + if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); } + }); + node.setAttribute("cm-not-content", "true"); + }, function (pos, axis) { + if (axis == "horizontal") { setScrollLeft(cm, pos); } + else { updateScrollTop(cm, pos); } + }, cm); + if (cm.display.scrollbars.addClass) + { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } // Operations are used to wrap a series of changes to the editor // state in such a way that each change won't have to update the @@ -3006,8 +3741,6 @@ // error-prone). Instead, display updates are batched and then all // combined and executed at once. - var operationGroup = null; - var nextOpId = 0; // Start a new operation. function startOperation(cm) { @@ -3028,44 +3761,17 @@ focus: false, id: ++nextOpId // Unique ID }; - if (operationGroup) { - operationGroup.ops.push(cm.curOp); - } else { - cm.curOp.ownsGroup = operationGroup = { - ops: [cm.curOp], - delayedCallbacks: [] - }; - } - } - - function fireCallbacksForOps(group) { - // Calls delayed callbacks and cursorActivity handlers until no - // new ones appear - var callbacks = group.delayedCallbacks, i = 0; - do { - for (; i < callbacks.length; i++) - callbacks[i].call(null); - for (var j = 0; j < group.ops.length; j++) { - var op = group.ops[j]; - if (op.cursorActivityHandlers) - while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); - } - } while (i < callbacks.length); + pushOperation(cm.curOp); } // Finish an operation, updating the display and signalling delayed events function endOperation(cm) { - var op = cm.curOp, group = op.ownsGroup; - if (!group) return; - - try { fireCallbacksForOps(group); } - finally { - operationGroup = null; + var op = cm.curOp; + if (op) { finishOperation(op, function (group) { for (var i = 0; i < group.ops.length; i++) - group.ops[i].cm.curOp = null; + { group.ops[i].cm.curOp = null; } endOperations(group); - } + }); } } // The DOM updates done when an operation finishes are batched so @@ -3073,21 +3779,21 @@ function endOperations(group) { var ops = group.ops; for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_R1(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) - endOperation_W1(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_R2(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) - endOperation_W2(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_finish(ops[i]); + { endOperation_R1(ops[i]); } + for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) + { endOperation_W1(ops[i$1]); } + for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM + { endOperation_R2(ops[i$2]); } + for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) + { endOperation_W2(ops[i$3]); } + for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM + { endOperation_finish(ops[i$4]); } } function endOperation_R1(op) { var cm = op.cm, display = cm.display; maybeClipScrollbars(cm); - if (op.updateMaxLine) findMaxLine(cm); + if (op.updateMaxLine) { findMaxLine(cm); } op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || @@ -3103,7 +3809,7 @@ function endOperation_R2(op) { var cm = op.cm, display = cm.display; - if (op.updatedDisplay) updateHeightsInViewport(cm); + if (op.updatedDisplay) { updateHeightsInViewport(cm); } op.barMeasure = measureForScrollbars(cm); @@ -3119,7 +3825,7 @@ } if (op.updatedDisplay || op.selectionChanged) - op.preparedSelection = display.input.prepareSelection(op.focus); + { op.preparedSelection = display.input.prepareSelection(); } } function endOperation_W2(op) { @@ -3128,132 +3834,97 @@ if (op.adjustWidthTo != null) { cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; if (op.maxScrollLeft < cm.doc.scrollLeft) - setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); + { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); } cm.display.maxLineChanged = false; } - var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()) + var takeFocus = op.focus && op.focus == activeElt(); if (op.preparedSelection) - cm.display.input.showSelection(op.preparedSelection, takeFocus); + { cm.display.input.showSelection(op.preparedSelection, takeFocus); } if (op.updatedDisplay || op.startHeight != cm.doc.height) - updateScrollbars(cm, op.barMeasure); + { updateScrollbars(cm, op.barMeasure); } if (op.updatedDisplay) - setDocumentHeight(cm, op.barMeasure); + { setDocumentHeight(cm, op.barMeasure); } - if (op.selectionChanged) restartBlink(cm); + if (op.selectionChanged) { restartBlink(cm); } if (cm.state.focused && op.updateInput) - cm.display.input.reset(op.typing); - if (takeFocus) ensureFocus(op.cm); + { cm.display.input.reset(op.typing); } + if (takeFocus) { ensureFocus(op.cm); } } function endOperation_finish(op) { var cm = op.cm, display = cm.display, doc = cm.doc; - if (op.updatedDisplay) postUpdateDisplay(cm, op.update); + if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); } // Abort mouse wheel delta measurement, when scrolling explicitly if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) - display.wheelStartX = display.wheelStartY = null; + { display.wheelStartX = display.wheelStartY = null; } // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { - doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); - display.scrollbars.setScrollTop(doc.scrollTop); - display.scroller.scrollTop = doc.scrollTop; - } - if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { - doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)); - display.scrollbars.setScrollLeft(doc.scrollLeft); - display.scroller.scrollLeft = doc.scrollLeft; - alignHorizontally(cm); - } + if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); } + + if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); } // If we need to scroll a specific position into view, do so. if (op.scrollToPos) { - var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); - if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); + var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); + maybeScrollWindow(cm, rect); } // Fire events for markers that are hidden/unidden by editing or // undoing var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; - if (hidden) for (var i = 0; i < hidden.length; ++i) - if (!hidden[i].lines.length) signal(hidden[i], "hide"); - if (unhidden) for (var i = 0; i < unhidden.length; ++i) - if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); + if (hidden) { for (var i = 0; i < hidden.length; ++i) + { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } } + if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) + { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } } if (display.wrapper.offsetHeight) - doc.scrollTop = cm.display.scroller.scrollTop; + { doc.scrollTop = cm.display.scroller.scrollTop; } // Fire change events, and delayed event handlers if (op.changeObjs) - signal(cm, "changes", cm, op.changeObjs); + { signal(cm, "changes", cm, op.changeObjs); } if (op.update) - op.update.finish(); + { op.update.finish(); } } // Run the given function in an operation function runInOp(cm, f) { - if (cm.curOp) return f(); + if (cm.curOp) { return f() } startOperation(cm); - try { return f(); } + try { return f() } finally { endOperation(cm); } } // Wraps a function in an operation. Returns the wrapped function. function operation(cm, f) { return function() { - if (cm.curOp) return f.apply(cm, arguments); + if (cm.curOp) { return f.apply(cm, arguments) } startOperation(cm); - try { return f.apply(cm, arguments); } + try { return f.apply(cm, arguments) } finally { endOperation(cm); } - }; + } } // Used to add methods to editor and doc instances, wrapping them in // operations. function methodOp(f) { return function() { - if (this.curOp) return f.apply(this, arguments); + if (this.curOp) { return f.apply(this, arguments) } startOperation(this); - try { return f.apply(this, arguments); } + try { return f.apply(this, arguments) } finally { endOperation(this); } - }; + } } function docMethodOp(f) { return function() { var cm = this.cm; - if (!cm || cm.curOp) return f.apply(this, arguments); + if (!cm || cm.curOp) { return f.apply(this, arguments) } startOperation(cm); - try { return f.apply(this, arguments); } + try { return f.apply(this, arguments) } finally { endOperation(cm); } - }; - } - - // VIEW TRACKING - - // These objects are used to represent the visible (currently drawn) - // part of the document. A LineView may correspond to multiple - // logical lines, if those are connected by collapsed ranges. - function LineView(doc, line, lineN) { - // The starting line - this.line = line; - // Continuing lines, if any - this.rest = visualLineContinued(line); - // Number of logical lines in this visual line - this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; - this.node = this.text = null; - this.hidden = lineIsHidden(doc, line); - } - - // Create a range of LineView objects for the given lines. - function buildViewArray(cm, from, to) { - var array = [], nextPos; - for (var pos = from; pos < to; pos = nextPos) { - var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); - nextPos = pos + view.size; - array.push(view); } - return array; } // Updates the display.view data structure for a given change to the @@ -3263,20 +3934,20 @@ // lines are divided into visual lines. regLineChange (below) // registers single-line changes. function regChange(cm, from, to, lendiff) { - if (from == null) from = cm.doc.first; - if (to == null) to = cm.doc.first + cm.doc.size; - if (!lendiff) lendiff = 0; + if (from == null) { from = cm.doc.first; } + if (to == null) { to = cm.doc.first + cm.doc.size; } + if (!lendiff) { lendiff = 0; } var display = cm.display; if (lendiff && to < display.viewTo && (display.updateLineNumbers == null || display.updateLineNumbers > from)) - display.updateLineNumbers = from; + { display.updateLineNumbers = from; } cm.curOp.viewChanged = true; if (from >= display.viewTo) { // Change after if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) - resetView(cm); + { resetView(cm); } } else if (to <= display.viewFrom) { // Change before if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { resetView(cm); @@ -3296,10 +3967,10 @@ resetView(cm); } } else if (to >= display.viewTo) { // Bottom overlap - var cut = viewCuttingPoint(cm, from, from, -1); - if (cut) { - display.view = display.view.slice(0, cut.index); - display.viewTo = cut.lineN; + var cut$1 = viewCuttingPoint(cm, from, from, -1); + if (cut$1) { + display.view = display.view.slice(0, cut$1.index); + display.viewTo = cut$1.lineN; } else { resetView(cm); } @@ -3319,9 +3990,9 @@ var ext = display.externalMeasured; if (ext) { if (to < ext.lineN) - ext.lineN += lendiff; + { ext.lineN += lendiff; } else if (from < ext.lineN + ext.size) - display.externalMeasured = null; + { display.externalMeasured = null; } } } @@ -3331,13 +4002,13 @@ cm.curOp.viewChanged = true; var display = cm.display, ext = cm.display.externalMeasured; if (ext && line >= ext.lineN && line < ext.lineN + ext.size) - display.externalMeasured = null; + { display.externalMeasured = null; } - if (line < display.viewFrom || line >= display.viewTo) return; + if (line < display.viewFrom || line >= display.viewTo) { return } var lineView = display.view[findViewIndex(cm, line)]; - if (lineView.node == null) return; + if (lineView.node == null) { return } var arr = lineView.changes || (lineView.changes = []); - if (indexOf(arr, type) == -1) arr.push(type); + if (indexOf(arr, type) == -1) { arr.push(type); } } // Clear the view. @@ -3347,28 +4018,16 @@ cm.display.viewOffset = 0; } - // Find the view element corresponding to a given line. Return null - // when the line isn't visible. - function findViewIndex(cm, n) { - if (n >= cm.display.viewTo) return null; - n -= cm.display.viewFrom; - if (n < 0) return null; - var view = cm.display.view; - for (var i = 0; i < view.length; i++) { - n -= view[i].size; - if (n < 0) return i; - } - } - function viewCuttingPoint(cm, oldN, newN, dir) { var index = findViewIndex(cm, oldN), diff, view = cm.display.view; if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) - return {index: index, lineN: newN}; - for (var i = 0, n = cm.display.viewFrom; i < index; i++) - n += view[i].size; + { return {index: index, lineN: newN} } + var n = cm.display.viewFrom; + for (var i = 0; i < index; i++) + { n += view[i].size; } if (n != oldN) { if (dir > 0) { - if (index == view.length - 1) return null; + if (index == view.length - 1) { return null } diff = (n + view[index].size) - oldN; index++; } else { @@ -3377,11 +4036,11 @@ oldN += diff; newN += diff; } while (visualLineNo(cm.doc, newN) != newN) { - if (index == (dir < 0 ? 0 : view.length - 1)) return null; + if (index == (dir < 0 ? 0 : view.length - 1)) { return null } newN += dir * view[index - (dir < 0 ? 1 : 0)].size; index += dir; } - return {index: index, lineN: newN}; + return {index: index, lineN: newN} } // Force the view to cover a given range, adding empty view element @@ -3393,14 +4052,14 @@ display.viewFrom = from; } else { if (display.viewFrom > from) - display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); + { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); } else if (display.viewFrom < from) - display.view = display.view.slice(findViewIndex(cm, from)); + { display.view = display.view.slice(findViewIndex(cm, from)); } display.viewFrom = from; if (display.viewTo < to) - display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); + { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); } else if (display.viewTo > to) - display.view = display.view.slice(0, findViewIndex(cm, to)); + { display.view = display.view.slice(0, findViewIndex(cm, to)); } } display.viewTo = to; } @@ -3411,579 +4070,331 @@ var view = cm.display.view, dirty = 0; for (var i = 0; i < view.length; i++) { var lineView = view[i]; - if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; + if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; } } - return dirty; + return dirty } - // EVENT HANDLERS + // HIGHLIGHT WORKER - // Attach the necessary event handlers when initializing the editor - function registerEventHandlers(cm) { - var d = cm.display; - on(d.scroller, "mousedown", operation(cm, onMouseDown)); - // Older IE's will not fire a second mousedown for a double click - if (ie && ie_version < 11) - on(d.scroller, "dblclick", operation(cm, function(e) { - if (signalDOMEvent(cm, e)) return; - var pos = posFromMouse(cm, e); - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; - e_preventDefault(e); - var word = cm.findWordAt(pos); - extendSelection(cm.doc, word.anchor, word.head); - })); - else - on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); - // Some browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for these browsers. - if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); + function startWorker(cm, time) { + if (cm.doc.highlightFrontier < cm.display.viewTo) + { cm.state.highlight.set(time, bind(highlightWorker, cm)); } + } - // Used to suppress mouse event handling when a touch happens - var touchFinished, prevTouch = {end: 0}; - function finishTouch() { - if (d.activeTouch) { - touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); - prevTouch = d.activeTouch; - prevTouch.end = +new Date; - } - }; - function isMouseLikeTouchEvent(e) { - if (e.touches.length != 1) return false; - var touch = e.touches[0]; - return touch.radiusX <= 1 && touch.radiusY <= 1; - } - function farAway(touch, other) { - if (other.left == null) return true; - var dx = other.left - touch.left, dy = other.top - touch.top; - return dx * dx + dy * dy > 20 * 20; - } - on(d.scroller, "touchstart", function(e) { - if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { - clearTimeout(touchFinished); - var now = +new Date; - d.activeTouch = {start: now, moved: false, - prev: now - prevTouch.end <= 300 ? prevTouch : null}; - if (e.touches.length == 1) { - d.activeTouch.left = e.touches[0].pageX; - d.activeTouch.top = e.touches[0].pageY; - } + function highlightWorker(cm) { + var doc = cm.doc; + if (doc.highlightFrontier >= cm.display.viewTo) { return } + var end = +new Date + cm.options.workTime; + var context = getContextBefore(cm, doc.highlightFrontier); + var changedLines = []; + + doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { + if (context.line >= cm.display.viewFrom) { // Visible + var oldStyles = line.styles; + var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null; + var highlighted = highlightLine(cm, line, context, true); + if (resetState) { context.state = resetState; } + line.styles = highlighted.styles; + var oldCls = line.styleClasses, newCls = highlighted.classes; + if (newCls) { line.styleClasses = newCls; } + else if (oldCls) { line.styleClasses = null; } + var ischange = !oldStyles || oldStyles.length != line.styles.length || + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); + for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; } + if (ischange) { changedLines.push(context.line); } + line.stateAfter = context.save(); + context.nextLine(); + } else { + if (line.text.length <= cm.options.maxHighlightLength) + { processLine(cm, line.text, context); } + line.stateAfter = context.line % 5 == 0 ? context.save() : null; + context.nextLine(); } - }); - on(d.scroller, "touchmove", function() { - if (d.activeTouch) d.activeTouch.moved = true; - }); - on(d.scroller, "touchend", function(e) { - var touch = d.activeTouch; - if (touch && !eventInWidget(d, e) && touch.left != null && - !touch.moved && new Date - touch.start < 300) { - var pos = cm.coordsChar(d.activeTouch, "page"), range; - if (!touch.prev || farAway(touch, touch.prev)) // Single tap - range = new Range(pos, pos); - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap - range = cm.findWordAt(pos); - else // Triple tap - range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); - cm.setSelection(range.anchor, range.head); - cm.focus(); - e_preventDefault(e); + if (+new Date > end) { + startWorker(cm, cm.options.workDelay); + return true } - finishTouch(); }); - on(d.scroller, "touchcancel", finishTouch); + doc.highlightFrontier = context.line; + doc.modeFrontier = Math.max(doc.modeFrontier, context.line); + if (changedLines.length) { runInOp(cm, function () { + for (var i = 0; i < changedLines.length; i++) + { regLineChange(cm, changedLines[i], "text"); } + }); } + } - // Sync scrolling between fake scrollbars and real scrollable - // area, ensure viewport is updated when scrolling. - on(d.scroller, "scroll", function() { - if (d.scroller.clientHeight) { - setScrollTop(cm, d.scroller.scrollTop); - setScrollLeft(cm, d.scroller.scrollLeft, true); - signal(cm, "scroll", cm); - } - }); + // DISPLAY DRAWING - // Listen to wheel events in order to try and update the viewport on time. - on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); - on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); + var DisplayUpdate = function(cm, viewport, force) { + var display = cm.display; - // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + this.viewport = viewport; + // Store some values that we'll need later (but don't want to force a relayout for) + this.visible = visibleLines(display, cm.doc, viewport); + this.editorIsHidden = !display.wrapper.offsetWidth; + this.wrapperHeight = display.wrapper.clientHeight; + this.wrapperWidth = display.wrapper.clientWidth; + this.oldDisplayWidth = displayWidth(cm); + this.force = force; + this.dims = getDimensions(cm); + this.events = []; + }; - d.dragFunctions = { - enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, - over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, - start: function(e){onDragStart(cm, e);}, - drop: operation(cm, onDrop), - leave: function(e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} - }; + DisplayUpdate.prototype.signal = function (emitter, type) { + if (hasHandler(emitter, type)) + { this.events.push(arguments); } + }; + DisplayUpdate.prototype.finish = function () { + var this$1 = this; - var inp = d.input.getField(); - on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); - on(inp, "keydown", operation(cm, onKeyDown)); - on(inp, "keypress", operation(cm, onKeyPress)); - on(inp, "focus", bind(onFocus, cm)); - on(inp, "blur", bind(onBlur, cm)); - } + for (var i = 0; i < this.events.length; i++) + { signal.apply(null, this$1.events[i]); } + }; - function dragDropChanged(cm, value, old) { - var wasOn = old && old != CodeMirror.Init; - if (!value != !wasOn) { - var funcs = cm.display.dragFunctions; - var toggle = value ? on : off; - toggle(cm.display.scroller, "dragstart", funcs.start); - toggle(cm.display.scroller, "dragenter", funcs.enter); - toggle(cm.display.scroller, "dragover", funcs.over); - toggle(cm.display.scroller, "dragleave", funcs.leave); - toggle(cm.display.scroller, "drop", funcs.drop); + function maybeClipScrollbars(cm) { + var display = cm.display; + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.heightForcer.style.height = scrollGap(cm) + "px"; + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; + display.scrollbarsClipped = true; } } - // Called when the window resizes - function onResize(cm) { - var d = cm.display; - if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) - return; - // Might be a text scaling operation, clear size caches. - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - d.scrollbarsClipped = false; - cm.setSize(); - } - - // MOUSE EVENTS - - // Return true when the given mouse event happened in a widget - function eventInWidget(display, e) { - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || - (n.parentNode == display.sizer && n != display.mover)) - return true; + function selectionSnapshot(cm) { + if (cm.hasFocus()) { return null } + var active = activeElt(); + if (!active || !contains(cm.display.lineDiv, active)) { return null } + var result = {activeElt: active}; + if (window.getSelection) { + var sel = window.getSelection(); + if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) { + result.anchorNode = sel.anchorNode; + result.anchorOffset = sel.anchorOffset; + result.focusNode = sel.focusNode; + result.focusOffset = sel.focusOffset; + } } + return result } - // Given a mouse event, find the corresponding position. If liberal - // is false, it checks whether a gutter or scrollbar was clicked, - // and returns null if it was. forRect is used by rectangular - // selections, and tries to estimate a character position even for - // coordinates beyond the right of the text. - function posFromMouse(cm, e, liberal, forRect) { - var display = cm.display; - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; - - var x, y, space = display.lineSpace.getBoundingClientRect(); - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX - space.left; y = e.clientY - space.top; } - catch (e) { return null; } - var coords = coordsChar(cm, x, y), line; - if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + function restoreSelection(snapshot) { + if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return } + snapshot.activeElt.focus(); + if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) { + var sel = window.getSelection(), range$$1 = document.createRange(); + range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset); + range$$1.collapse(false); + sel.removeAllRanges(); + sel.addRange(range$$1); + sel.extend(snapshot.focusNode, snapshot.focusOffset); } - return coords; } - // A mouse down can be a single click, double click, triple click, - // start of selection drag, start of text drag, new cursor - // (ctrl-click), rectangle drag (alt-drag), or xwin - // middle-click-paste. Or it might be a click on something we should - // not interfere with, such as a scrollbar or widget. - function onMouseDown(e) { - var cm = this, display = cm.display; - if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return; - display.shift = e.shiftKey; + // Does the actual updating of the line display. Bails out + // (returning false) when there is nothing to be done and forced is + // false. + function updateDisplayIfNeeded(cm, update) { + var display = cm.display, doc = cm.doc; - if (eventInWidget(display, e)) { - if (!webkit) { - // Briefly turn off draggability, to allow widgets to do - // normal dragging things. - display.scroller.draggable = false; - setTimeout(function(){display.scroller.draggable = true;}, 100); - } - return; + if (update.editorIsHidden) { + resetView(cm); + return false } - if (clickInGutter(cm, e)) return; - var start = posFromMouse(cm, e); - window.focus(); - switch (e_button(e)) { - case 1: - // #3261: make sure, that we're not starting a second selection - if (cm.state.selectingText) - cm.state.selectingText(e); - else if (start) - leftButtonDown(cm, e, start); - else if (e_target(e) == display.scroller) - e_preventDefault(e); - break; - case 2: - if (webkit) cm.state.lastMiddleDown = +new Date; - if (start) extendSelection(cm.doc, start); - setTimeout(function() {display.input.focus();}, 20); - e_preventDefault(e); - break; - case 3: - if (captureRightClick) onContextMenu(cm, e); - else delayBlurEvent(cm); - break; + // Bail out if the visible area is already rendered and nothing changed. + if (!update.force && + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && countDirtyView(cm) == 0) + { return false } + + if (maybeUpdateLineNumberWidth(cm)) { + resetView(cm); + update.dims = getDimensions(cm); } - } - var lastClick, lastDoubleClick; - function leftButtonDown(cm, e, start) { - if (ie) setTimeout(bind(ensureFocus, cm), 0); - else cm.curOp.focus = activeElt(); - - var now = +new Date, type; - if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { - type = "triple"; - } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { - type = "double"; - lastDoubleClick = {time: now, pos: start}; - } else { - type = "single"; - lastClick = {time: now, pos: start}; + // Compute a suitable new viewport (from & to) + var end = doc.first + doc.size; + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); + var to = Math.min(end, update.visible.to + cm.options.viewportMargin); + if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); } + if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); } + if (sawCollapsedSpans) { + from = visualLineNo(cm.doc, from); + to = visualLineEndNo(cm.doc, to); } - var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; - if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && - type == "single" && (contained = sel.contains(start)) > -1 && - (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && - (cmp(contained.to(), start) > 0 || start.xRel < 0)) - leftButtonStartDrag(cm, e, start, modifier); - else - leftButtonSelect(cm, e, start, type, modifier); - } + var different = from != display.viewFrom || to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; + adjustView(cm, from, to); - // Start a text drag. When it ends, see if any dragging actually - // happen, and treat as a click if it didn't. - function leftButtonStartDrag(cm, e, start, modifier) { - var display = cm.display, startTime = +new Date; - var dragEnd = operation(cm, function(e2) { - if (webkit) display.scroller.draggable = false; - cm.state.draggingText = false; - off(document, "mouseup", dragEnd); - off(display.scroller, "drop", dragEnd); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2); - if (!modifier && +new Date - 200 < startTime) - extendSelection(cm.doc, start); - // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) - if (webkit || ie && ie_version == 9) - setTimeout(function() {document.body.focus(); display.input.focus();}, 20); - else - display.input.focus(); - } - }); - // Let the drag handler handle this. - if (webkit) display.scroller.draggable = true; - cm.state.draggingText = dragEnd; - dragEnd.copy = mac ? e.altKey : e.ctrlKey - // IE's approach to draggable - if (display.scroller.dragDrop) display.scroller.dragDrop(); - on(document, "mouseup", dragEnd); - on(display.scroller, "drop", dragEnd); - } + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); + // Position the mover div to align with the current scroll position + cm.display.mover.style.top = display.viewOffset + "px"; - // Normal selection, as opposed to text dragging. - function leftButtonSelect(cm, e, start, type, addNew) { - var display = cm.display, doc = cm.doc; - e_preventDefault(e); + var toUpdate = countDirtyView(cm); + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + { return false } - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; - if (addNew && !e.shiftKey) { - ourIndex = doc.sel.contains(start); - if (ourIndex > -1) - ourRange = ranges[ourIndex]; - else - ourRange = new Range(start, start); - } else { - ourRange = doc.sel.primary(); - ourIndex = doc.sel.primIndex; - } + // For big changes, we hide the enclosing element during the + // update, since that speeds up the operations on most browsers. + var selSnapshot = selectionSnapshot(cm); + if (toUpdate > 4) { display.lineDiv.style.display = "none"; } + patchDisplay(cm, display.updateLineNumbers, update.dims); + if (toUpdate > 4) { display.lineDiv.style.display = ""; } + display.renderedView = display.view; + // There might have been a widget with a focused element that got + // hidden or updated, if so re-focus it. + restoreSelection(selSnapshot); - if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) { - type = "rect"; - if (!addNew) ourRange = new Range(start, start); - start = posFromMouse(cm, e, true, true); - ourIndex = -1; - } else if (type == "double") { - var word = cm.findWordAt(start); - if (cm.display.shift || doc.extend) - ourRange = extendRange(doc, ourRange, word.anchor, word.head); - else - ourRange = word; - } else if (type == "triple") { - var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); - if (cm.display.shift || doc.extend) - ourRange = extendRange(doc, ourRange, line.anchor, line.head); - else - ourRange = line; - } else { - ourRange = extendRange(doc, ourRange, start); - } + // Prevent selection and cursors from interfering with the scroll + // width and height. + removeChildren(display.cursorDiv); + removeChildren(display.selectionDiv); + display.gutters.style.height = display.sizer.style.minHeight = 0; - if (!addNew) { - ourIndex = 0; - setSelection(doc, new Selection([ourRange], 0), sel_mouse); - startSel = doc.sel; - } else if (ourIndex == -1) { - ourIndex = ranges.length; - setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), - {scroll: false, origin: "*mouse"}); - } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { - setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), - {scroll: false, origin: "*mouse"}); - startSel = doc.sel; - } else { - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); + if (different) { + display.lastWrapHeight = update.wrapperHeight; + display.lastWrapWidth = update.wrapperWidth; + startWorker(cm, 400); } - var lastPos = start; - function extendTo(pos) { - if (cmp(lastPos, pos) == 0) return; - lastPos = pos; + display.updateLineNumbers = null; - if (type == "rect") { - var ranges = [], tabSize = cm.options.tabSize; - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); - var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); - line <= end; line++) { - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); - if (left == right) - ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); - else if (text.length > leftPos) - ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); - } - if (!ranges.length) ranges.push(new Range(start, start)); - setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), - {origin: "*mouse", scroll: false}); - cm.scrollIntoView(pos); - } else { - var oldRange = ourRange; - var anchor = oldRange.anchor, head = pos; - if (type != "single") { - if (type == "double") - var range = cm.findWordAt(pos); - else - var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); - if (cmp(range.anchor, anchor) > 0) { - head = range.head; - anchor = minPos(oldRange.from(), range.anchor); - } else { - head = range.anchor; - anchor = maxPos(oldRange.to(), range.head); - } - } - var ranges = startSel.ranges.slice(0); - ranges[ourIndex] = new Range(clipPos(doc, anchor), head); - setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse); - } - } + return true + } - var editorSize = display.wrapper.getBoundingClientRect(); - // Used to ensure timeout re-tries don't fire when another extend - // happened in the meantime (clearTimeout isn't reliable -- at - // least on Chrome, the timeouts still happen even when cleared, - // if the clear happens after their scheduled firing time). - var counter = 0; + function postUpdateDisplay(cm, update) { + var viewport = update.viewport; - function extend(e) { - var curCount = ++counter; - var cur = posFromMouse(cm, e, true, type == "rect"); - if (!cur) return; - if (cmp(cur, lastPos) != 0) { - cm.curOp.focus = activeElt(); - extendTo(cur); - var visible = visibleLines(display, doc); - if (cur.line >= visible.to || cur.line < visible.from) - setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); - } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; - if (outside) setTimeout(operation(cm, function() { - if (counter != curCount) return; - display.scroller.scrollTop += outside; - extend(e); - }), 50); + for (var first = true;; first = false) { + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + // Clip forced viewport to actual scrollable area. + if (viewport && viewport.top != null) + { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; } + // Updated line heights might result in the drawn area not + // actually covering the viewport. Keep looping until it does. + update.visible = visibleLines(cm.display, cm.doc, viewport); + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + { break } } + if (!updateDisplayIfNeeded(cm, update)) { break } + updateHeightsInViewport(cm); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.force = false; } - function done(e) { - cm.state.selectingText = false; - counter = Infinity; - e_preventDefault(e); - display.input.focus(); - off(document, "mousemove", move); - off(document, "mouseup", up); - doc.history.lastSelOrigin = null; + update.signal(cm, "update", cm); + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; } - - var move = operation(cm, function(e) { - if (!e_button(e)) done(e); - else extend(e); - }); - var up = operation(cm, done); - cm.state.selectingText = up; - on(document, "mousemove", move); - on(document, "mouseup", up); } - // Determines whether an event happened in the gutter, and fires the - // handlers for the corresponding event. - function gutterEvent(cm, e, type, prevent) { - try { var mX = e.clientX, mY = e.clientY; } - catch(e) { return false; } - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; - if (prevent) e_preventDefault(e); - - var display = cm.display; - var lineBox = display.lineDiv.getBoundingClientRect(); - - if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); - mY -= lineBox.top - display.viewOffset; - - for (var i = 0; i < cm.options.gutters.length; ++i) { - var g = display.gutters.childNodes[i]; - if (g && g.getBoundingClientRect().right >= mX) { - var line = lineAtHeight(cm.doc, mY); - var gutter = cm.options.gutters[i]; - signal(cm, type, cm, line, gutter, e); - return e_defaultPrevented(e); - } + function updateDisplaySimple(cm, viewport) { + var update = new DisplayUpdate(cm, viewport); + if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm); + postUpdateDisplay(cm, update); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.finish(); } } - function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true); - } - - // Kludge to work around strange IE behavior where it'll sometimes - // re-fire a series of drag-related events right after the drop (#1551) - var lastDrop = 0; + // Sync the actual display DOM structure with display.view, removing + // nodes for lines that are no longer in view, and creating the ones + // that are not there yet, and updating the ones that are out of + // date. + function patchDisplay(cm, updateNumbersFrom, dims) { + var display = cm.display, lineNumbers = cm.options.lineNumbers; + var container = display.lineDiv, cur = container.firstChild; - function onDrop(e) { - var cm = this; - clearDragCursor(cm); - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) - return; - e_preventDefault(e); - if (ie) lastDrop = +new Date; - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; - if (!pos || cm.isReadOnly()) return; - // Might be a file drop, in which case we simply extract the text - // and insert it. - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var loadFile = function(file, i) { - if (cm.options.allowDropFileTypes && - indexOf(cm.options.allowDropFileTypes, file.type) == -1) - return; + function rm(node) { + var next = node.nextSibling; + // Works around a throw-scroll bug in OS X Webkit + if (webkit && mac && cm.display.currentWheelTarget == node) + { node.style.display = "none"; } + else + { node.parentNode.removeChild(node); } + return next + } - var reader = new FileReader; - reader.onload = operation(cm, function() { - var content = reader.result; - if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = ""; - text[i] = content; - if (++read == n) { - pos = clipPos(cm.doc, pos); - var change = {from: pos, to: pos, - text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), - origin: "paste"}; - makeChange(cm.doc, change); - setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); - } - }); - reader.readAsText(file); - }; - for (var i = 0; i < n; ++i) loadFile(files[i], i); - } else { // Normal drop - // Don't do a replace if the drop happened inside of the selected text. - if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { - cm.state.draggingText(e); - // Ensure the editor is re-focused - setTimeout(function() {cm.display.input.focus();}, 20); - return; - } - try { - var text = e.dataTransfer.getData("Text"); - if (text) { - if (cm.state.draggingText && !cm.state.draggingText.copy) - var selected = cm.listSelections(); - setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); - if (selected) for (var i = 0; i < selected.length; ++i) - replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); - cm.replaceSelection(text, "around", "paste"); - cm.display.input.focus(); + var view = display.view, lineN = display.viewFrom; + // Loop over the elements in the view, syncing cur (the DOM nodes + // in display.lineDiv) with the view as we go. + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + var node = buildLineElement(cm, lineView, lineN, dims); + container.insertBefore(node, cur); + } else { // Already drawn + while (cur != lineView.node) { cur = rm(cur); } + var updateNumber = lineNumbers && updateNumbersFrom != null && + updateNumbersFrom <= lineN && lineView.lineNumber; + if (lineView.changes) { + if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; } + updateLineForChanges(cm, lineView, lineN, dims); } + if (updateNumber) { + removeChildren(lineView.lineNumber); + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); + } + cur = lineView.node.nextSibling; } - catch(e){} + lineN += lineView.size; } + while (cur) { cur = rm(cur); } } - function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; - - e.dataTransfer.setData("Text", cm.getSelection()); - e.dataTransfer.effectAllowed = "copyMove" - - // Use dummy image instead of default browsers image. - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. - if (e.dataTransfer.setDragImage && !safari) { - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; - if (presto) { - img.width = img.height = 1; - cm.display.wrapper.appendChild(img); - // Force a relayout, or Opera won't use our image for some obscure reason - img._top = img.offsetTop; - } - e.dataTransfer.setDragImage(img, 0, 0); - if (presto) img.parentNode.removeChild(img); - } + function updateGutterSpace(cm) { + var width = cm.display.gutters.offsetWidth; + cm.display.sizer.style.marginLeft = width + "px"; } - function onDragOver(cm, e) { - var pos = posFromMouse(cm, e); - if (!pos) return; - var frag = document.createDocumentFragment(); - drawSelectionCursor(cm, pos, frag); - if (!cm.display.dragCursor) { - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); - } - removeChildrenAndAdd(cm.display.dragCursor, frag); + function setDocumentHeight(cm, measure) { + cm.display.sizer.style.minHeight = measure.docHeight + "px"; + cm.display.heightForcer.style.top = measure.docHeight + "px"; + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; } - function clearDragCursor(cm) { - if (cm.display.dragCursor) { - cm.display.lineSpace.removeChild(cm.display.dragCursor); - cm.display.dragCursor = null; + // Rebuild the gutter elements, ensure the margin to the left of the + // code matches their width. + function updateGutters(cm) { + var gutters = cm.display.gutters, specs = cm.options.gutters; + removeChildren(gutters); + var i = 0; + for (; i < specs.length; ++i) { + var gutterClass = specs[i]; + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); + if (gutterClass == "CodeMirror-linenumbers") { + cm.display.lineGutter = gElt; + gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; + } } + gutters.style.display = i ? "" : "none"; + updateGutterSpace(cm); } - // SCROLL EVENTS - - // Sync the scrollable area and scrollbars, ensure the viewport - // covers the visible area. - function setScrollTop(cm, val) { - if (Math.abs(cm.doc.scrollTop - val) < 2) return; - cm.doc.scrollTop = val; - if (!gecko) updateDisplaySimple(cm, {top: val}); - if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; - cm.display.scrollbars.setScrollTop(val); - if (gecko) updateDisplaySimple(cm); - startWorker(cm, 100); - } - // Sync scroller and scrollbar, ensure the gutter elements are - // aligned. - function setScrollLeft(cm, val, isScroller) { - if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); - cm.doc.scrollLeft = val; - alignHorizontally(cm); - if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; - cm.display.scrollbars.setScrollLeft(val); + // Make sure the gutters options contains the element + // "CodeMirror-linenumbers" when the lineNumbers option is true. + function setGuttersForLineNumbers(options) { + var found = indexOf(options.gutters, "CodeMirror-linenumbers"); + if (found == -1 && options.lineNumbers) { + options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); + } else if (found > -1 && !options.lineNumbers) { + options.gutters = options.gutters.slice(0); + options.gutters.splice(found, 1); + } } // Since the delta values reported on mouse wheel events are @@ -4002,24 +4413,24 @@ // know one. These don't have to be accurate -- the result of them // being wrong would just be a slight flicker on the first wheel // scroll (if it is large enough). - if (ie) wheelPixelsPerUnit = -.53; - else if (gecko) wheelPixelsPerUnit = 15; - else if (chrome) wheelPixelsPerUnit = -.7; - else if (safari) wheelPixelsPerUnit = -1/3; + if (ie) { wheelPixelsPerUnit = -.53; } + else if (gecko) { wheelPixelsPerUnit = 15; } + else if (chrome) { wheelPixelsPerUnit = -.7; } + else if (safari) { wheelPixelsPerUnit = -1/3; } - var wheelEventDelta = function(e) { + function wheelEventDelta(e) { var dx = e.wheelDeltaX, dy = e.wheelDeltaY; - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; - else if (dy == null) dy = e.wheelDelta; - return {x: dx, y: dy}; - }; - CodeMirror.wheelEventPixels = function(e) { + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; } + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; } + else if (dy == null) { dy = e.wheelDelta; } + return {x: dx, y: dy} + } + function wheelEventPixels(e) { var delta = wheelEventDelta(e); delta.x *= wheelPixelsPerUnit; delta.y *= wheelPixelsPerUnit; - return delta; - }; + return delta + } function onScrollWheel(cm, e) { var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; @@ -4028,7 +4439,7 @@ // Quit if there's nothing to scroll here var canScrollX = scroll.scrollWidth > scroll.clientWidth; var canScrollY = scroll.scrollHeight > scroll.clientHeight; - if (!(dx && canScrollX || dy && canScrollY)) return; + if (!(dx && canScrollX || dy && canScrollY)) { return } // Webkit browsers on OS X abort momentum scrolls when the target // of the scroll event is removed from the scrollable element. @@ -4039,7 +4450,7 @@ for (var i = 0; i < view.length; i++) { if (view[i].node == cur) { cm.display.currentWheelTarget = cur; - break outer; + break outer } } } @@ -4053,16 +4464,16 @@ // better than glitching out. if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { if (dy && canScrollY) - setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); - setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); + { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); } + setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit)); // Only prevent default scrolling if vertical scrolling is // actually possible. Otherwise, it causes vertical scroll // jitter on OSX trackpads when deltaX is small and deltaY // is large (issue #3579) if (!dy || (dy && canScrollY)) - e_preventDefault(e); + { e_preventDefault(e); } display.wheelStartX = null; // Abort measurement, if in progress - return; + return } // 'Project' the visible viewport to cover the area that is being @@ -4070,8 +4481,8 @@ if (dy && wheelPixelsPerUnit != null) { var pixels = dy * wheelPixelsPerUnit; var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; - if (pixels < 0) top = Math.max(0, top + pixels - 50); - else bot = Math.min(cm.doc.height, bot + pixels + 50); + if (pixels < 0) { top = Math.max(0, top + pixels - 50); } + else { bot = Math.min(cm.doc.height, bot + pixels + 50); } updateDisplaySimple(cm, {top: top, bottom: bot}); } @@ -4079,14 +4490,14 @@ if (display.wheelStartX == null) { display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; display.wheelDX = dx; display.wheelDY = dy; - setTimeout(function() { - if (display.wheelStartX == null) return; + setTimeout(function () { + if (display.wheelStartX == null) { return } var movedX = scroll.scrollLeft - display.wheelStartX; var movedY = scroll.scrollTop - display.wheelStartY; var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || (movedX && display.wheelDX && movedX / display.wheelDX); display.wheelStartX = display.wheelStartY = null; - if (!sample) return; + if (!sample) { return } wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); ++wheelSamples; }, 200); @@ -4096,226 +4507,109 @@ } } - // KEY EVENTS - - // Run a handler that was bound to a key. - function doHandleBinding(cm, bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) return false; - } - // Ensure previous input has been read, so that the handler sees a - // consistent view of the document - cm.display.input.ensurePolled(); - var prevShift = cm.display.shift, done = false; - try { - if (cm.isReadOnly()) cm.state.suppressEdits = true; - if (dropShift) cm.display.shift = false; - done = bound(cm) != Pass; - } finally { - cm.display.shift = prevShift; - cm.state.suppressEdits = false; - } - return done; - } - - function lookupKeyForEditor(cm, name, handle) { - for (var i = 0; i < cm.state.keyMaps.length; i++) { - var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); - if (result) return result; - } - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) - || lookupKey(name, cm.options.keyMap, handle, cm); - } - - var stopSeq = new Delayed; - function dispatchKey(cm, name, e, handle) { - var seq = cm.state.keySeq; - if (seq) { - if (isModifierKey(name)) return "handled"; - stopSeq.set(50, function() { - if (cm.state.keySeq == seq) { - cm.state.keySeq = null; - cm.display.input.reset(); - } - }); - name = seq + " " + name; - } - var result = lookupKeyForEditor(cm, name, handle); + // Selection objects are immutable. A new one is created every time + // the selection changes. A selection is one or more non-overlapping + // (and non-touching) ranges, sorted, and an integer that indicates + // which one is the primary selection (the one that's scrolled into + // view, that getCursor returns, etc). + var Selection = function(ranges, primIndex) { + this.ranges = ranges; + this.primIndex = primIndex; + }; - if (result == "multi") - cm.state.keySeq = name; - if (result == "handled") - signalLater(cm, "keyHandled", cm, name, e); + Selection.prototype.primary = function () { return this.ranges[this.primIndex] }; - if (result == "handled" || result == "multi") { - e_preventDefault(e); - restartBlink(cm); - } + Selection.prototype.equals = function (other) { + var this$1 = this; - if (seq && !result && /\'$/.test(name)) { - e_preventDefault(e); - return true; + if (other == this) { return true } + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } + for (var i = 0; i < this.ranges.length; i++) { + var here = this$1.ranges[i], there = other.ranges[i]; + if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false } } - return !!result; - } - - // Handle a key from the keydown event. - function handleKeyBinding(cm, e) { - var name = keyName(e, true); - if (!name) return false; + return true + }; - if (e.shiftKey && !cm.state.keySeq) { - // First try to resolve full name (including 'Shift-'). Failing - // that, see if there is a cursor-motion command (starting with - // 'go') bound to the keyname without 'Shift-'. - return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) - || dispatchKey(cm, name, e, function(b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - return doHandleBinding(cm, b); - }); - } else { - return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); - } - } + Selection.prototype.deepCopy = function () { + var this$1 = this; - // Handle a key from the keypress event - function handleCharBinding(cm, e, ch) { - return dispatchKey(cm, "'" + ch + "'", e, - function(b) { return doHandleBinding(cm, b, true); }); - } + var out = []; + for (var i = 0; i < this.ranges.length; i++) + { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); } + return new Selection(out, this.primIndex) + }; - var lastStoppedKey = null; - function onKeyDown(e) { - var cm = this; - cm.curOp.focus = activeElt(); - if (signalDOMEvent(cm, e)) return; - // IE does strange things with escape. - if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false; - var code = e.keyCode; - cm.display.shift = code == 16 || e.shiftKey; - var handled = handleKeyBinding(cm, e); - if (presto) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) - cm.replaceSelection("", null, "cut"); - } + Selection.prototype.somethingSelected = function () { + var this$1 = this; - // Turn mouse into crosshair when Alt is held on Mac. - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) - showCrossHair(cm); - } + for (var i = 0; i < this.ranges.length; i++) + { if (!this$1.ranges[i].empty()) { return true } } + return false + }; - function showCrossHair(cm) { - var lineDiv = cm.display.lineDiv; - addClass(lineDiv, "CodeMirror-crosshair"); + Selection.prototype.contains = function (pos, end) { + var this$1 = this; - function up(e) { - if (e.keyCode == 18 || !e.altKey) { - rmClass(lineDiv, "CodeMirror-crosshair"); - off(document, "keyup", up); - off(document, "mouseover", up); - } + if (!end) { end = pos; } + for (var i = 0; i < this.ranges.length; i++) { + var range = this$1.ranges[i]; + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) + { return i } } - on(document, "keyup", up); - on(document, "mouseover", up); - } - - function onKeyUp(e) { - if (e.keyCode == 16) this.doc.sel.shift = false; - signalDOMEvent(this, e); - } - - function onKeyPress(e) { - var cm = this; - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; - var keyCode = e.keyCode, charCode = e.charCode; - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - if (handleCharBinding(cm, e, ch)) return; - cm.display.input.onKeyPress(e); - } - - // FOCUS/BLUR EVENTS + return -1 + }; - function delayBlurEvent(cm) { - cm.state.delayingBlurEvent = true; - setTimeout(function() { - if (cm.state.delayingBlurEvent) { - cm.state.delayingBlurEvent = false; - onBlur(cm); - } - }, 100); - } + var Range = function(anchor, head) { + this.anchor = anchor; this.head = head; + }; - function onFocus(cm) { - if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false; + Range.prototype.from = function () { return minPos(this.anchor, this.head) }; + Range.prototype.to = function () { return maxPos(this.anchor, this.head) }; + Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch }; - if (cm.options.readOnly == "nocursor") return; - if (!cm.state.focused) { - signal(cm, "focus", cm); - cm.state.focused = true; - addClass(cm.display.wrapper, "CodeMirror-focused"); - // This test prevents this from firing when a context - // menu is closed (since the input reset would kill the - // select-all detection hack) - if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { - cm.display.input.reset(); - if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 + // Take an unsorted, potentially overlapping set of ranges, and + // build a selection out of it. 'Consumes' ranges array (modifying + // it). + function normalizeSelection(cm, ranges, primIndex) { + var mayTouch = cm && cm.options.selectionsMayTouch; + var prim = ranges[primIndex]; + ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }); + primIndex = indexOf(ranges, prim); + for (var i = 1; i < ranges.length; i++) { + var cur = ranges[i], prev = ranges[i - 1]; + var diff = cmp(prev.to(), cur.from()); + if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) { + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; + if (i <= primIndex) { --primIndex; } + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); } - cm.display.input.receivedFocus(); - } - restartBlink(cm); - } - function onBlur(cm) { - if (cm.state.delayingBlurEvent) return; - - if (cm.state.focused) { - signal(cm, "blur", cm); - cm.state.focused = false; - rmClass(cm.display.wrapper, "CodeMirror-focused"); } - clearInterval(cm.display.blinker); - setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150); - } - - // CONTEXT MENU HANDLING - - // To make the context menu work, we need to briefly unhide the - // textarea (making it as unobtrusive as possible) to let the - // right-click take effect on it. - function onContextMenu(cm, e) { - if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return; - if (signalDOMEvent(cm, e, "contextmenu")) return; - cm.display.input.onContextMenu(e); + return new Selection(ranges, primIndex) } - function contextMenuInGutter(cm, e) { - if (!hasHandler(cm, "gutterContextMenu")) return false; - return gutterEvent(cm, e, "gutterContextMenu", false); + function simpleSelection(anchor, head) { + return new Selection([new Range(anchor, head || anchor)], 0) } - // UPDATING - // Compute the position of the end of a change (its 'to' property // refers to the pre-change end). - var changeEnd = CodeMirror.changeEnd = function(change) { - if (!change.text) return change.to; + function changeEnd(change) { + if (!change.text) { return change.to } return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); - }; + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) + } // Adjust a position to refer to the post-change position of the // same text, or the end of the change if the change covers it. function adjustForChange(pos, change) { - if (cmp(pos, change.from) < 0) return pos; - if (cmp(pos, change.to) <= 0) return changeEnd(change); + if (cmp(pos, change.from) < 0) { return pos } + if (cmp(pos, change.to) <= 0) { return changeEnd(change) } var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; - if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; - return Pos(line, ch); + if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; } + return Pos(line, ch) } function computeSelAfterChange(doc, change) { @@ -4325,14 +4619,14 @@ out.push(new Range(adjustForChange(range.anchor, change), adjustForChange(range.head, change))); } - return normalizeSelection(out, doc.sel.primIndex); + return normalizeSelection(doc.cm, out, doc.sel.primIndex) } function offsetPos(pos, old, nw) { if (pos.line == old.line) - return Pos(nw.line, pos.ch - old.ch + nw.ch); + { return Pos(nw.line, pos.ch - old.ch + nw.ch) } else - return Pos(nw.line + (pos.line - old.line), pos.ch); + { return Pos(nw.line + (pos.line - old.line), pos.ch) } } // Used by replaceSelections to allow moving the selection to the @@ -4353,9 +4647,550 @@ out[i] = new Range(from, from); } } - return new Selection(out, doc.sel.primIndex); + return new Selection(out, doc.sel.primIndex) + } + + // Used to get the editor into a consistent state again when options change. + + function loadMode(cm) { + cm.doc.mode = getMode(cm.options, cm.doc.modeOption); + resetModeState(cm); + } + + function resetModeState(cm) { + cm.doc.iter(function (line) { + if (line.stateAfter) { line.stateAfter = null; } + if (line.styles) { line.styles = null; } + }); + cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first; + startWorker(cm, 100); + cm.state.modeGen++; + if (cm.curOp) { regChange(cm); } + } + + // DOCUMENT DATA STRUCTURE + + // By default, updates that start and end at the beginning of a line + // are treated specially, in order to make the association of line + // widgets and marker elements with the text behave more intuitive. + function isWholeLineUpdate(doc, change) { + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore) + } + + // Perform a change on the document data structure. + function updateDoc(doc, change, markedSpans, estimateHeight$$1) { + function spansFor(n) {return markedSpans ? markedSpans[n] : null} + function update(line, text, spans) { + updateLine(line, text, spans, estimateHeight$$1); + signalLater(line, "change", line, change); + } + function linesFor(start, end) { + var result = []; + for (var i = start; i < end; ++i) + { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); } + return result + } + + var from = change.from, to = change.to, text = change.text; + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; + + // Adjust the line structure + if (change.full) { + doc.insert(0, linesFor(0, text.length)); + doc.remove(text.length, doc.size - text.length); + } else if (isWholeLineUpdate(doc, change)) { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = linesFor(0, text.length - 1); + update(lastLine, lastLine.text, lastSpans); + if (nlines) { doc.remove(from.line, nlines); } + if (added.length) { doc.insert(from.line, added); } + } else if (firstLine == lastLine) { + if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); + } else { + var added$1 = linesFor(1, text.length - 1); + added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1)); + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + doc.insert(from.line + 1, added$1); + } + } else if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); + doc.remove(from.line + 1, nlines); + } else { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); + var added$2 = linesFor(1, text.length - 1); + if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); } + doc.insert(from.line + 1, added$2); + } + + signalLater(doc, "change", doc, change); + } + + // Call f for all linked documents. + function linkedDocs(doc, f, sharedHistOnly) { + function propagate(doc, skip, sharedHist) { + if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i]; + if (rel.doc == skip) { continue } + var shared = sharedHist && rel.sharedHist; + if (sharedHistOnly && !shared) { continue } + f(rel.doc, shared); + propagate(rel.doc, doc, shared); + } } + } + propagate(doc, null, true); + } + + // Attach a document to an editor. + function attachDoc(cm, doc) { + if (doc.cm) { throw new Error("This document is already in use.") } + cm.doc = doc; + doc.cm = cm; + estimateLineHeights(cm); + loadMode(cm); + setDirectionClass(cm); + if (!cm.options.lineWrapping) { findMaxLine(cm); } + cm.options.mode = doc.modeOption; + regChange(cm); + } + + function setDirectionClass(cm) { + (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl"); + } + + function directionChanged(cm) { + runInOp(cm, function () { + setDirectionClass(cm); + regChange(cm); + }); + } + + function History(startGen) { + // Arrays of change events and selections. Doing something adds an + // event to done and clears undo. Undoing moves events from done + // to undone, redoing moves them in the other direction. + this.done = []; this.undone = []; + this.undoDepth = Infinity; + // Used to track when changes can be merged into a single undo + // event + this.lastModTime = this.lastSelTime = 0; + this.lastOp = this.lastSelOp = null; + this.lastOrigin = this.lastSelOrigin = null; + // Used by the isClean() method + this.generation = this.maxGeneration = startGen || 1; + } + + // Create a history change event from an updateDoc-style change + // object. + function historyChangeFromChange(doc, change) { + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); + linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true); + return histChange + } + + // Pop all selection events off the end of a history array. Stop at + // a change event. + function clearSelectionEvents(array) { + while (array.length) { + var last = lst(array); + if (last.ranges) { array.pop(); } + else { break } + } + } + + // Find the top change event in the history. Pop off selection + // events that are in the way. + function lastChangeEvent(hist, force) { + if (force) { + clearSelectionEvents(hist.done); + return lst(hist.done) + } else if (hist.done.length && !lst(hist.done).ranges) { + return lst(hist.done) + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + hist.done.pop(); + return lst(hist.done) + } } + // Register a change in the history. Merges changes that are within + // a single operation, or are close together with an origin that + // allows merging (starting with "+") into a single event. + function addChangeToHistory(doc, change, selAfter, opId) { + var hist = doc.history; + hist.undone.length = 0; + var time = +new Date, cur; + var last; + + if ((hist.lastOp == opId || + hist.lastOrigin == change.origin && change.origin && + ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) || + change.origin.charAt(0) == "*")) && + (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + // Merge this change into the last event + last = lst(cur.changes); + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { + // Optimized case for simple insertion -- don't want to add + // new changesets for every character typed + last.to = changeEnd(change); + } else { + // Add new sub-event + cur.changes.push(historyChangeFromChange(doc, change)); + } + } else { + // Can not be merged, start a new event. + var before = lst(hist.done); + if (!before || !before.ranges) + { pushSelectionToHistory(doc.sel, hist.done); } + cur = {changes: [historyChangeFromChange(doc, change)], + generation: hist.generation}; + hist.done.push(cur); + while (hist.done.length > hist.undoDepth) { + hist.done.shift(); + if (!hist.done[0].ranges) { hist.done.shift(); } + } + } + hist.done.push(selAfter); + hist.generation = ++hist.maxGeneration; + hist.lastModTime = hist.lastSelTime = time; + hist.lastOp = hist.lastSelOp = opId; + hist.lastOrigin = hist.lastSelOrigin = change.origin; + + if (!last) { signal(doc, "historyAdded"); } + } + + function selectionEventCanBeMerged(doc, origin, prev, sel) { + var ch = origin.charAt(0); + return ch == "*" || + ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) + } + + // Called whenever the selection changes, sets the new selection as + // the pending selection in the history, and pushes the old pending + // selection into the 'done' array when it was significantly + // different (in number of selected ranges, emptiness, or time). + function addSelectionToHistory(doc, sel, opId, options) { + var hist = doc.history, origin = options && options.origin; + + // A new event is started when the previous origin does not match + // the current, or the origins don't allow matching. Origins + // starting with * are always merged, those starting with + are + // merged when similar and close together in time. + if (opId == hist.lastSelOp || + (origin && hist.lastSelOrigin == origin && + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + { hist.done[hist.done.length - 1] = sel; } + else + { pushSelectionToHistory(sel, hist.done); } + + hist.lastSelTime = +new Date; + hist.lastSelOrigin = origin; + hist.lastSelOp = opId; + if (options && options.clearRedo !== false) + { clearSelectionEvents(hist.undone); } + } + + function pushSelectionToHistory(sel, dest) { + var top = lst(dest); + if (!(top && top.ranges && top.equals(sel))) + { dest.push(sel); } + } + + // Used to store marked span information in the history. + function attachLocalSpans(doc, change, from, to) { + var existing = change["spans_" + doc.id], n = 0; + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { + if (line.markedSpans) + { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; } + ++n; + }); + } + + // When un/re-doing restores text containing marked spans, those + // that have been explicitly cleared should not be restored. + function removeClearedSpans(spans) { + if (!spans) { return null } + var out; + for (var i = 0; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } } + else if (out) { out.push(spans[i]); } + } + return !out ? spans : out.length ? out : null + } + + // Retrieve and filter the old marked spans stored in a change event. + function getOldSpans(doc, change) { + var found = change["spans_" + doc.id]; + if (!found) { return null } + var nw = []; + for (var i = 0; i < change.text.length; ++i) + { nw.push(removeClearedSpans(found[i])); } + return nw + } + + // Used for un/re-doing changes from the history. Combines the + // result of computing the existing spans with the set of spans that + // existed in the history (so that deleting around a span and then + // undoing brings back the span). + function mergeOldSpans(doc, change) { + var old = getOldSpans(doc, change); + var stretched = stretchSpansOverChange(doc, change); + if (!old) { return stretched } + if (!stretched) { return old } + + for (var i = 0; i < old.length; ++i) { + var oldCur = old[i], stretchCur = stretched[i]; + if (oldCur && stretchCur) { + spans: for (var j = 0; j < stretchCur.length; ++j) { + var span = stretchCur[j]; + for (var k = 0; k < oldCur.length; ++k) + { if (oldCur[k].marker == span.marker) { continue spans } } + oldCur.push(span); + } + } else if (stretchCur) { + old[i] = stretchCur; + } + } + return old + } + + // Used both to provide a JSON-safe object in .getHistory, and, when + // detaching a document, to split the history in two + function copyHistoryArray(events, newGroup, instantiateSel) { + var copy = []; + for (var i = 0; i < events.length; ++i) { + var event = events[i]; + if (event.ranges) { + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); + continue + } + var changes = event.changes, newChanges = []; + copy.push({changes: newChanges}); + for (var j = 0; j < changes.length; ++j) { + var change = changes[j], m = (void 0); + newChanges.push({from: change.from, to: change.to, text: change.text}); + if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop]; + delete change[prop]; + } + } } } + } + } + return copy + } + + // The 'scroll' parameter given to many of these indicated whether + // the new cursor position should be scrolled into view after + // modifying the selection. + + // If shift is held or the extend flag is set, extends a range to + // include a given position (and optionally a second position). + // Otherwise, simply returns the range between the given positions. + // Used for cursor motion and such. + function extendRange(range, head, other, extend) { + if (extend) { + var anchor = range.anchor; + if (other) { + var posBefore = cmp(head, anchor) < 0; + if (posBefore != (cmp(other, anchor) < 0)) { + anchor = head; + head = other; + } else if (posBefore != (cmp(head, other) < 0)) { + head = other; + } + } + return new Range(anchor, head) + } else { + return new Range(other || head, head) + } + } + + // Extend the primary selection range, discard the rest. + function extendSelection(doc, head, other, options, extend) { + if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); } + setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options); + } + + // Extend all selections (pos is an array of selections with length + // equal the number of selections) + function extendSelections(doc, heads, options) { + var out = []; + var extend = doc.cm && (doc.cm.display.shift || doc.extend); + for (var i = 0; i < doc.sel.ranges.length; i++) + { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); } + var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex); + setSelection(doc, newSel, options); + } + + // Updates a single range in the selection. + function replaceOneSelection(doc, i, range, options) { + var ranges = doc.sel.ranges.slice(0); + ranges[i] = range; + setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options); + } + + // Reset the selection to a single range. + function setSimpleSelection(doc, anchor, head, options) { + setSelection(doc, simpleSelection(anchor, head), options); + } + + // Give beforeSelectionChange handlers a change to influence a + // selection update. + function filterSelectionChange(doc, sel, options) { + var obj = { + ranges: sel.ranges, + update: function(ranges) { + var this$1 = this; + + this.ranges = []; + for (var i = 0; i < ranges.length; i++) + { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head)); } + }, + origin: options && options.origin + }; + signal(doc, "beforeSelectionChange", doc, obj); + if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); } + if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) } + else { return sel } + } + + function setSelectionReplaceHistory(doc, sel, options) { + var done = doc.history.done, last = lst(done); + if (last && last.ranges) { + done[done.length - 1] = sel; + setSelectionNoUndo(doc, sel, options); + } else { + setSelection(doc, sel, options); + } + } + + // Set a new selection. + function setSelection(doc, sel, options) { + setSelectionNoUndo(doc, sel, options); + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); + } + + function setSelectionNoUndo(doc, sel, options) { + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + { sel = filterSelectionChange(doc, sel, options); } + + var bias = options && options.bias || + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); + + if (!(options && options.scroll === false) && doc.cm) + { ensureCursorVisible(doc.cm); } + } + + function setSelectionInner(doc, sel) { + if (sel.equals(doc.sel)) { return } + + doc.sel = sel; + + if (doc.cm) { + doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; + signalCursorActivity(doc.cm); + } + signalLater(doc, "cursorActivity", doc); + } + + // Verify that the selection does not partially select any atomic + // marked ranges. + function reCheckSelection(doc) { + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false)); + } + + // Return a selection that does not partially select any atomic + // ranges. + function skipAtomicInSelection(doc, sel, bias, mayClear) { + var out; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); + var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); + if (out || newAnchor != range.anchor || newHead != range.head) { + if (!out) { out = sel.ranges.slice(0, i); } + out[i] = new Range(newAnchor, newHead); + } + } + return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel + } + + function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { + var line = getLine(doc, pos.line); + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker; + if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && + (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter"); + if (m.explicitlyCleared) { + if (!line.markedSpans) { break } + else {--i; continue} + } + } + if (!m.atomic) { continue } + + if (oldPos) { + var near = m.find(dir < 0 ? 1 : -1), diff = (void 0); + if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) + { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); } + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) + { return skipAtomicInner(doc, near, pos, dir, mayClear) } + } + + var far = m.find(dir < 0 ? -1 : 1); + if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) + { far = movePos(doc, far, dir, far.line == pos.line ? line : null); } + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null + } + } } + return pos + } + + // Ensure a given position is not inside an atomic range. + function skipAtomic(doc, pos, oldPos, bias, mayClear) { + var dir = bias || 1; + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); + if (!found) { + doc.cantEdit = true; + return Pos(doc.first, 0) + } + return found + } + + function movePos(doc, pos, dir, line) { + if (dir < 0 && pos.ch == 0) { + if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } + else { return null } + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { + if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } + else { return null } + } else { + return new Pos(pos.line, pos.ch + dir) + } + } + + function selectAll(cm) { + cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll); + } + + // UPDATING + // Allow "beforeChange" event handlers to influence a change function filterChange(doc, change, update) { var obj = { @@ -4364,32 +5199,32 @@ to: change.to, text: change.text, origin: change.origin, - cancel: function() { this.canceled = true; } - }; - if (update) obj.update = function(from, to, text, origin) { - if (from) this.from = clipPos(doc, from); - if (to) this.to = clipPos(doc, to); - if (text) this.text = text; - if (origin !== undefined) this.origin = origin; + cancel: function () { return obj.canceled = true; } }; + if (update) { obj.update = function (from, to, text, origin) { + if (from) { obj.from = clipPos(doc, from); } + if (to) { obj.to = clipPos(doc, to); } + if (text) { obj.text = text; } + if (origin !== undefined) { obj.origin = origin; } + }; } signal(doc, "beforeChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); + if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); } - if (obj.canceled) return null; - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; + if (obj.canceled) { return null } + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} } // Apply a change to a document, and add it to the document's // history, and propagating it to all linked documents. function makeChange(doc, change, ignoreReadOnly) { if (doc.cm) { - if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); - if (doc.cm.state.suppressEdits) return; + if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } + if (doc.cm.state.suppressEdits) { return } } if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { change = filterChange(doc, change, true); - if (!change) return; + if (!change) { return } } // Possibly split or suppress the update based on the presence @@ -4397,21 +5232,21 @@ var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); if (split) { for (var i = split.length - 1; i >= 0; --i) - makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}); + { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); } } else { makeChangeInner(doc, change); } } function makeChangeInner(doc, change) { - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return; + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } var selAfter = computeSelAfterChange(doc, change); addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); var rebased = []; - linkedDocs(doc, function(doc, sharedHist) { + linkedDocs(doc, function (doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { rebaseHist(doc.history, change); rebased.push(doc.history); @@ -4422,19 +5257,21 @@ // Revert a change stored in a document's history. function makeChangeFromHistory(doc, type, allowSelectionOnly) { - if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) return; + var suppress = doc.cm && doc.cm.state.suppressEdits; + if (suppress && !allowSelectionOnly) { return } var hist = doc.history, event, selAfter = doc.sel; var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; // Verify that there is a useable event (so that ctrl-z won't // needlessly clear selection events) - for (var i = 0; i < source.length; i++) { + var i = 0; + for (; i < source.length; i++) { event = source[i]; if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) - break; + { break } } - if (i == source.length) return; + if (i == source.length) { return } hist.lastOrigin = hist.lastSelOrigin = null; for (;;) { @@ -4443,11 +5280,13 @@ pushSelectionToHistory(event, dest); if (allowSelectionOnly && !event.equals(doc.sel)) { setSelection(doc, event, {clearRedo: false}); - return; + return } selAfter = event; - } - else break; + } else if (suppress) { + source.push(event); + return + } else { break } } // Build up a reverse change object to add to the opposite history @@ -4459,45 +5298,51 @@ var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); - for (var i = event.changes.length - 1; i >= 0; --i) { + var loop = function ( i ) { var change = event.changes[i]; change.origin = type; if (filter && !filterChange(doc, change, false)) { source.length = 0; - return; + return {} } antiChanges.push(historyChangeFromChange(doc, change)); var after = i ? computeSelAfterChange(doc, change) : lst(source); makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); + if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); } var rebased = []; // Propagate to the linked documents - linkedDocs(doc, function(doc, sharedHist) { + linkedDocs(doc, function (doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { rebaseHist(doc.history, change); rebased.push(doc.history); } makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); }); + }; + + for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { + var returned = loop( i$1 ); + + if ( returned ) return returned.v; } } // Sub-views need their line numbers shifted when text is added // above or below them in the parent document. function shiftDoc(doc, distance) { - if (distance == 0) return; + if (distance == 0) { return } doc.first += distance; - doc.sel = new Selection(map(doc.sel.ranges, function(range) { - return new Range(Pos(range.anchor.line + distance, range.anchor.ch), - Pos(range.head.line + distance, range.head.ch)); - }), doc.sel.primIndex); + doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( + Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch) + ); }), doc.sel.primIndex); if (doc.cm) { regChange(doc.cm, doc.first, doc.first - distance, distance); for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) - regLineChange(doc.cm, l, "gutter"); + { regLineChange(doc.cm, l, "gutter"); } } } @@ -4505,13 +5350,13 @@ // (not linked ones). function makeChangeSingleDoc(doc, change, selAfter, spans) { if (doc.cm && !doc.cm.curOp) - return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); + { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } if (change.to.line < doc.first) { shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); - return; + return } - if (change.from.line > doc.lastLine()) return; + if (change.from.line > doc.lastLine()) { return } // Clip the change to the size of this doc if (change.from.line < doc.first) { @@ -4528,9 +5373,9 @@ change.removed = getBetween(doc, change.from, change.to); - if (!selAfter) selAfter = computeSelAfterChange(doc, change); - if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans); - else updateDoc(doc, change, spans); + if (!selAfter) { selAfter = computeSelAfterChange(doc, change); } + if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); } + else { updateDoc(doc, change, spans); } setSelectionNoUndo(doc, selAfter, sel_dontScroll); } @@ -4542,21 +5387,21 @@ var recomputeMaxLength = false, checkWidthStart = from.line; if (!cm.options.lineWrapping) { checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); - doc.iter(checkWidthStart, to.line + 1, function(line) { + doc.iter(checkWidthStart, to.line + 1, function (line) { if (line == display.maxLine) { recomputeMaxLength = true; - return true; + return true } }); } if (doc.sel.contains(change.from, change.to) > -1) - signalCursorActivity(cm); + { signalCursorActivity(cm); } updateDoc(doc, change, spans, estimateHeight(cm)); if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function(line) { + doc.iter(checkWidthStart, from.line + change.text.length, function (line) { var len = lineLength(line); if (len > display.maxLineLength) { display.maxLine = line; @@ -4565,21 +5410,20 @@ recomputeMaxLength = false; } }); - if (recomputeMaxLength) cm.curOp.updateMaxLine = true; + if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; } } - // Adjust frontier, schedule worker - doc.frontier = Math.min(doc.frontier, from.line); + retreatFrontier(doc, from.line); startWorker(cm, 400); var lendiff = change.text.length - (to.line - from.line) - 1; // Remember that these lines changed, for updating the display if (change.full) - regChange(cm); + { regChange(cm); } else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) - regLineChange(cm, from.line, "text"); + { regLineChange(cm, from.line, "text"); } else - regChange(cm, from.line, to.line + 1, lendiff); + { regChange(cm, from.line, to.line + 1, lendiff); } var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); if (changeHandler || changesHandler) { @@ -4589,208 +5433,71 @@ removed: change.removed, origin: change.origin }; - if (changeHandler) signalLater(cm, "change", cm, obj); - if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); + if (changeHandler) { signalLater(cm, "change", cm, obj); } + if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } } cm.display.selForContextMenu = null; } function replaceRange(doc, code, from, to, origin) { - if (!to) to = from; - if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } - if (typeof code == "string") code = doc.splitLines(code); + var assign; + + if (!to) { to = from; } + if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); } + if (typeof code == "string") { code = doc.splitLines(code); } makeChange(doc, {from: from, to: to, text: code, origin: origin}); } - // SCROLLING THINGS INTO VIEW - - // If an editor sits on the top or bottom of the window, partially - // scrolled out of view, this ensures that the cursor is visible. - function maybeScrollWindow(cm, coords) { - if (signalDOMEvent(cm, "scrollCursorIntoView")) return; + // Rebasing/resetting history to deal with externally-sourced changes - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; - if (coords.top + box.top < 0) doScroll = true; - else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; - if (doScroll != null && !phantom) { - var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + - (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + - (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + - coords.left + "px; width: 2px;"); - cm.display.lineSpace.appendChild(scrollNode); - scrollNode.scrollIntoView(doScroll); - cm.display.lineSpace.removeChild(scrollNode); + function rebaseHistSelSingle(pos, from, to, diff) { + if (to < pos.line) { + pos.line += diff; + } else if (from < pos.line) { + pos.line = from; + pos.ch = 0; } } - // Scroll a given position into view (immediately), verifying that - // it actually became visible (as line heights are accurately - // measured, the position of something may 'drift' during drawing). - function scrollPosIntoView(cm, pos, end, margin) { - if (margin == null) margin = 0; - for (var limit = 0; limit < 5; limit++) { - var changed = false, coords = cursorCoords(cm, pos); - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); - var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), - Math.min(coords.top, endCoords.top) - margin, - Math.max(coords.left, endCoords.left), - Math.max(coords.bottom, endCoords.bottom) + margin); - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; - if (scrollPos.scrollTop != null) { - setScrollTop(cm, scrollPos.scrollTop); - if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; + // Tries to rebase an array of history events given a change in the + // document. If the change touches the same lines as the event, the + // event, and everything 'behind' it, is discarded. If the change is + // before the event, the event's positions are updated. Uses a + // copy-on-write scheme for the positions, to avoid having to + // reallocate them all on every rebase, but also avoid problems with + // shared position objects being unsafely updated. + function rebaseHistArray(array, from, to, diff) { + for (var i = 0; i < array.length; ++i) { + var sub = array[i], ok = true; + if (sub.ranges) { + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } + for (var j = 0; j < sub.ranges.length; j++) { + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); + } + continue } - if (scrollPos.scrollLeft != null) { - setScrollLeft(cm, scrollPos.scrollLeft); - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; + for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { + var cur = sub.changes[j$1]; + if (to < cur.from.line) { + cur.from = Pos(cur.from.line + diff, cur.from.ch); + cur.to = Pos(cur.to.line + diff, cur.to.ch); + } else if (from <= cur.to.line) { + ok = false; + break + } } - if (!changed) break; - } - return coords; - } - - // Scroll a given set of coordinates into view (immediately). - function scrollIntoView(cm, x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); - if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop); - if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft); - } - - // Calculate a new scroll position needed to scroll the given - // rectangle into view. Returns an object with scrollTop and - // scrollLeft properties. When these are undefined, the - // vertical/horizontal position does not need to be adjusted. - function calculateScrollPos(cm, x1, y1, x2, y2) { - var display = cm.display, snapMargin = textHeight(cm.display); - if (y1 < 0) y1 = 0; - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; - var screen = displayHeight(cm), result = {}; - if (y2 - y1 > screen) y2 = y1 + screen; - var docBottom = cm.doc.height + paddingVert(display); - var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; - if (y1 < screentop) { - result.scrollTop = atTop ? 0 : y1; - } else if (y2 > screentop + screen) { - var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen); - if (newTop != screentop) result.scrollTop = newTop; - } - - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; - var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); - var tooWide = x2 - x1 > screenw; - if (tooWide) x2 = x1 + screenw; - if (x1 < 10) - result.scrollLeft = 0; - else if (x1 < screenleft) - result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); - else if (x2 > screenw + screenleft - 3) - result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw; - return result; - } - - // Store a relative adjustment to the scroll position in the current - // operation (to be applied when the operation finishes). - function addToScrollPos(cm, left, top) { - if (left != null || top != null) resolveScrollToPos(cm); - if (left != null) - cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left; - if (top != null) - cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; - } - - // Make sure that at the end of the operation the current cursor is - // shown. - function ensureCursorVisible(cm) { - resolveScrollToPos(cm); - var cur = cm.getCursor(), from = cur, to = cur; - if (!cm.options.lineWrapping) { - from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur; - to = Pos(cur.line, cur.ch + 1); - } - cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}; - } - - // When an operation has its scrollToPos property set, and another - // scroll action is applied before the end of the operation, this - // 'simulates' scrolling that position into view in a cheap way, so - // that the effect of intermediate scroll commands is not ignored. - function resolveScrollToPos(cm) { - var range = cm.curOp.scrollToPos; - if (range) { - cm.curOp.scrollToPos = null; - var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); - var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), - Math.min(from.top, to.top) - range.margin, - Math.max(from.right, to.right), - Math.max(from.bottom, to.bottom) + range.margin); - cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); - } - } - - // API UTILITIES - - // Indent the given line. The how parameter can be "smart", - // "add"/null, "subtract", or "prev". When aggressive is false - // (typically set to true for forced single-line indents), empty - // lines are not indented, and places where the mode returns Pass - // are left alone. - function indentLine(cm, n, how, aggressive) { - var doc = cm.doc, state; - if (how == null) how = "add"; - if (how == "smart") { - // Fall back to "prev" when the mode doesn't have an indentation - // method. - if (!doc.mode.indent) how = "prev"; - else state = getStateBefore(cm, n); - } - - var tabSize = cm.options.tabSize; - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); - if (line.stateAfter) line.stateAfter = null; - var curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (!aggressive && !/\S/.test(line.text)) { - indentation = 0; - how = "not"; - } else if (how == "smart") { - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass || indentation > 150) { - if (!aggressive) return; - how = "prev"; + if (!ok) { + array.splice(0, i + 1); + i = 0; } } - if (how == "prev") { - if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); - else indentation = 0; - } else if (how == "add") { - indentation = curSpace + cm.options.indentUnit; - } else if (how == "subtract") { - indentation = curSpace - cm.options.indentUnit; - } else if (typeof how == "number") { - indentation = curSpace + how; - } - indentation = Math.max(0, indentation); - - var indentString = "", pos = 0; - if (cm.options.indentWithTabs) - for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} - if (pos < indentation) indentString += spaceStr(indentation - pos); + } - if (indentString != curSpaceString) { - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); - line.stateAfter = null; - return true; - } else { - // Ensure that, if the cursor was in the whitespace at the start - // of the line, it is moved to the end of that space. - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i]; - if (range.head.line == n && range.head.ch < curSpaceString.length) { - var pos = Pos(n, curSpaceString.length); - replaceOneSelection(doc, i, new Range(pos, pos)); - break; - } - } - } + function rebaseHist(hist, change) { + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; + rebaseHistArray(hist.done, from, to, diff); + rebaseHistArray(hist.undone, from, to, diff); } // Utility for applying a change to a line by handle or number, @@ -4798,1266 +5505,267 @@ // changed. function changeLine(doc, handle, changeType, op) { var no = handle, line = handle; - if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); - else no = lineNo(handle); - if (no == null) return null; - if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType); - return line; - } - - // Helper for deleting text near the selection(s), used to implement - // backspace, delete, and similar functionality. - function deleteNearSelection(cm, compute) { - var ranges = cm.doc.sel.ranges, kill = []; - // Build up a set of ranges to kill first, merging overlapping - // ranges. - for (var i = 0; i < ranges.length; i++) { - var toKill = compute(ranges[i]); - while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { - var replaced = kill.pop(); - if (cmp(replaced.from, toKill.from) < 0) { - toKill.from = replaced.from; - break; - } - } - kill.push(toKill); - } - // Next, remove those actual ranges. - runInOp(cm, function() { - for (var i = kill.length - 1; i >= 0; i--) - replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); - ensureCursorVisible(cm); - }); + if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); } + else { no = lineNo(handle); } + if (no == null) { return null } + if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); } + return line } - // Used for horizontal relative motion. Dir is -1 or 1 (left or - // right), unit can be "char", "column" (like char, but doesn't - // cross line boundaries), "word" (across next word), or "group" (to - // the start of next group of word or non-word-non-whitespace - // chars). The visually param controls whether, in right-to-left - // text, direction 1 means to move towards the next index in the - // string, or towards the character to the right of the current - // position. The resulting position will have a hitSide=true - // property if it reached the end of the document. - function findPosH(doc, pos, dir, unit, visually) { - var line = pos.line, ch = pos.ch, origDir = dir; - var lineObj = getLine(doc, line); - function findNextLine() { - var l = line + dir; - if (l < doc.first || l >= doc.first + doc.size) return false - line = l; - return lineObj = getLine(doc, l); - } - function moveOnce(boundToLine) { - var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); - if (next == null) { - if (!boundToLine && findNextLine()) { - if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); - else ch = dir < 0 ? lineObj.text.length : 0; - } else return false - } else ch = next; - return true; - } - - if (unit == "char") { - moveOnce() - } else if (unit == "column") { - moveOnce(true) - } else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group"; - var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); - for (var first = true;; first = false) { - if (dir < 0 && !moveOnce(!first)) break; - var cur = lineObj.text.charAt(ch) || "\n"; - var type = isWordChar(cur, helper) ? "w" - : group && cur == "\n" ? "n" - : !group || /\s/.test(cur) ? null - : "p"; - if (group && !first && !type) type = "s"; - if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce();} - break; - } + // The document is represented as a BTree consisting of leaves, with + // chunk of lines in them, and branches, with up to ten leaves or + // other branch nodes below them. The top node is always a branch + // node, and is the document object itself (meaning it has + // additional methods and properties). + // + // All nodes have parent links. The tree is used both to go from + // line numbers to line objects, and to go from objects to numbers. + // It also indexes by height, and is used to convert between height + // and line object, and to find the total height of the document. + // + // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html - if (type) sawType = type; - if (dir > 0 && !moveOnce(!first)) break; - } - } - var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true); - if (!cmp(pos, result)) result.hitSide = true; - return result; - } + function LeafChunk(lines) { + var this$1 = this; - // For relative vertical movement. Dir may be -1 or 1. Unit can be - // "page" or "line". The resulting position will have a hitSide=true - // property if it reached the end of the document. - function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y; - if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); - y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); - } else if (unit == "line") { - y = dir > 0 ? pos.bottom + 3 : pos.top - 3; - } - for (;;) { - var target = coordsChar(cm, x, y); - if (!target.outside) break; - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } - y += dir * 5; + this.lines = lines; + this.parent = null; + var height = 0; + for (var i = 0; i < lines.length; ++i) { + lines[i].parent = this$1; + height += lines[i].height; } - return target; + this.height = height; } - // EDITOR METHODS - - // The publicly visible API. Note that methodOp(f) means - // 'wrap f in an operation, performed on its `this` parameter'. - - // This is not the complete set of editor methods. Most of the - // methods defined on the Doc type are also injected into - // CodeMirror.prototype, for backwards compatibility and - // convenience. - - CodeMirror.prototype = { - constructor: CodeMirror, - focus: function(){window.focus(); this.display.input.focus();}, - - setOption: function(option, value) { - var options = this.options, old = options[option]; - if (options[option] == value && option != "mode") return; - options[option] = value; - if (optionHandlers.hasOwnProperty(option)) - operation(this, optionHandlers[option])(this, value, old); - }, - - getOption: function(option) {return this.options[option];}, - getDoc: function() {return this.doc;}, - - addKeyMap: function(map, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); - }, - removeKeyMap: function(map) { - var maps = this.state.keyMaps; - for (var i = 0; i < maps.length; ++i) - if (maps[i] == map || maps[i].name == map) { - maps.splice(i, 1); - return true; - } - }, + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length }, - addOverlay: methodOp(function(spec, options) { - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); - if (mode.startState) throw new Error("Overlays may not be stateful."); - this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); - this.state.modeGen++; - regChange(this); - }), - removeOverlay: methodOp(function(spec) { - var overlays = this.state.overlays; - for (var i = 0; i < overlays.length; ++i) { - var cur = overlays[i].modeSpec; - if (cur == spec || typeof spec == "string" && cur.name == spec) { - overlays.splice(i, 1); - this.state.modeGen++; - regChange(this); - return; - } - } - }), + // Remove the n lines at offset 'at'. + removeInner: function(at, n) { + var this$1 = this; - indentLine: methodOp(function(n, dir, aggressive) { - if (typeof dir != "string" && typeof dir != "number") { - if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; - else dir = dir ? "add" : "subtract"; - } - if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); - }), - indentSelection: methodOp(function(how) { - var ranges = this.doc.sel.ranges, end = -1; - for (var i = 0; i < ranges.length; i++) { - var range = ranges[i]; - if (!range.empty()) { - var from = range.from(), to = range.to(); - var start = Math.max(end, from.line); - end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; - for (var j = start; j < end; ++j) - indentLine(this, j, how); - var newRanges = this.doc.sel.ranges; - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); - } else if (range.head.line > end) { - indentLine(this, range.head.line, how, true); - end = range.head.line; - if (i == this.doc.sel.primIndex) ensureCursorVisible(this); - } + for (var i = at, e = at + n; i < e; ++i) { + var line = this$1.lines[i]; + this$1.height -= line.height; + cleanUpLine(line); + signalLater(line, "delete"); } - }), - - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(pos, precise) { - return takeToken(this, pos, precise); - }, - - getLineTokens: function(line, precise) { - return takeToken(this, Pos(line), precise, true); - }, - - getTokenTypeAt: function(pos) { - pos = clipPos(this.doc, pos); - var styles = getLineStyles(this, getLine(this.doc, pos.line)); - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; - var type; - if (ch == 0) type = styles[2]; - else for (;;) { - var mid = (before + after) >> 1; - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; - else if (styles[mid * 2 + 1] < ch) before = mid + 1; - else { type = styles[mid * 2 + 2]; break; } - } - var cut = type ? type.indexOf("cm-overlay ") : -1; - return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1); - }, - - getModeAt: function(pos) { - var mode = this.doc.mode; - if (!mode.innerMode) return mode; - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; - }, - - getHelper: function(pos, type) { - return this.getHelpers(pos, type)[0]; + this.lines.splice(at, n); }, - getHelpers: function(pos, type) { - var found = []; - if (!helpers.hasOwnProperty(type)) return found; - var help = helpers[type], mode = this.getModeAt(pos); - if (typeof mode[type] == "string") { - if (help[mode[type]]) found.push(help[mode[type]]); - } else if (mode[type]) { - for (var i = 0; i < mode[type].length; i++) { - var val = help[mode[type][i]]; - if (val) found.push(val); - } - } else if (mode.helperType && help[mode.helperType]) { - found.push(help[mode.helperType]); - } else if (help[mode.name]) { - found.push(help[mode.name]); - } - for (var i = 0; i < help._global.length; i++) { - var cur = help._global[i]; - if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) - found.push(cur.val); - } - return found; + // Helper used to collapse a small branch into a single leaf. + collapse: function(lines) { + lines.push.apply(lines, this.lines); }, - getStateAfter: function(line, precise) { - var doc = this.doc; - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); - return getStateBefore(this, line + 1, precise); - }, + // Insert the given array of lines at offset 'at', count them as + // having the given height. + insertInner: function(at, lines, height) { + var this$1 = this; - cursorCoords: function(start, mode) { - var pos, range = this.doc.sel.primary(); - if (start == null) pos = range.head; - else if (typeof start == "object") pos = clipPos(this.doc, start); - else pos = start ? range.from() : range.to(); - return cursorCoords(this, pos, mode || "page"); + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; } }, - charCoords: function(pos, mode) { - return charCoords(this, clipPos(this.doc, pos), mode || "page"); - }, + // Used to iterate over a part of the tree. + iterN: function(at, n, op) { + var this$1 = this; - coordsChar: function(coords, mode) { - coords = fromCoordSystem(this, coords, mode || "page"); - return coordsChar(this, coords.left, coords.top); - }, + for (var e = at + n; at < e; ++at) + { if (op(this$1.lines[at])) { return true } } + } + }; - lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; - return lineAtHeight(this.doc, height + this.display.viewOffset); - }, - heightAtLine: function(line, mode) { - var end = false, lineObj; - if (typeof line == "number") { - var last = this.doc.first + this.doc.size - 1; - if (line < this.doc.first) line = this.doc.first; - else if (line > last) { line = last; end = true; } - lineObj = getLine(this.doc, line); - } else { - lineObj = line; - } - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + - (end ? this.doc.height - heightAtLine(lineObj) : 0); - }, + function BranchChunk(children) { + var this$1 = this; - defaultTextHeight: function() { return textHeight(this.display); }, - defaultCharWidth: function() { return charWidth(this.display); }, + this.children = children; + var size = 0, height = 0; + for (var i = 0; i < children.length; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this$1; + } + this.size = size; + this.height = height; + this.parent = null; + } - setGutterMarker: methodOp(function(line, gutterID, value) { - return changeLine(this.doc, line, "gutter", function(line) { - var markers = line.gutterMarkers || (line.gutterMarkers = {}); - markers[gutterID] = value; - if (!value && isEmpty(markers)) line.gutterMarkers = null; - return true; - }); - }), + BranchChunk.prototype = { + chunkSize: function() { return this.size }, - clearGutter: methodOp(function(gutterID) { - var cm = this, doc = cm.doc, i = doc.first; - doc.iter(function(line) { - if (line.gutterMarkers && line.gutterMarkers[gutterID]) { - line.gutterMarkers[gutterID] = null; - regLineChange(cm, i, "gutter"); - if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null; - } - ++i; - }); - }), + removeInner: function(at, n) { + var this$1 = this; - lineInfo: function(line) { - if (typeof line == "number") { - if (!isLine(this.doc, line)) return null; - var n = line; - line = getLine(this.doc, line); - if (!line) return null; - } else { - var n = lineNo(line); - if (n == null) return null; + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.removeInner(at, rm); + this$1.height -= oldHeight - child.height; + if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) { break } + at = 0; + } else { at -= sz; } } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets}; - }, - - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};}, - - addWidget: function(pos, node, scroll, vert, horiz) { - var display = this.display; - pos = cursorCoords(this, clipPos(this.doc, pos)); - var top = pos.bottom, left = pos.left; - node.style.position = "absolute"; - node.setAttribute("cm-ignore-events", "true"); - this.display.input.setUneditable(node); - display.sizer.appendChild(node); - if (vert == "over") { - top = pos.top; - } else if (vert == "above" || vert == "near") { - var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); - // Default to positioning above (if specified and possible); otherwise default to positioning below - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) - top = pos.top - node.offsetHeight; - else if (pos.bottom + node.offsetHeight <= vspace) - top = pos.bottom; - if (left + node.offsetWidth > hspace) - left = hspace - node.offsetWidth; - } - node.style.top = top + "px"; - node.style.left = node.style.right = ""; - if (horiz == "right") { - left = display.sizer.clientWidth - node.offsetWidth; - node.style.right = "0px"; - } else { - if (horiz == "left") left = 0; - else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; - node.style.left = left + "px"; + // If the result is smaller than 25 lines, ensure that it is a + // single leaf node. + if (this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; } - if (scroll) - scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); }, - triggerOnKeyDown: methodOp(onKeyDown), - triggerOnKeyPress: methodOp(onKeyPress), - triggerOnKeyUp: onKeyUp, + collapse: function(lines) { + var this$1 = this; - execCommand: function(cmd) { - if (commands.hasOwnProperty(cmd)) - return commands[cmd].call(null, this); + for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); } }, - triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + insertInner: function(at, lines, height) { + var this$1 = this; - findPosH: function(from, amount, unit, visually) { - var dir = 1; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - cur = findPosH(this.doc, cur, dir, unit, visually); - if (cur.hitSide) break; + this.size += lines.length; + this.height += height; + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertInner(at, lines, height); + if (child.lines && child.lines.length > 50) { + // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. + // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. + var remaining = child.lines.length % 25 + 25; + for (var pos = remaining; pos < child.lines.length;) { + var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); + child.height -= leaf.height; + this$1.children.splice(++i, 0, leaf); + leaf.parent = this$1; + } + child.lines = child.lines.slice(0, remaining); + this$1.maybeSpill(); + } + break + } + at -= sz; } - return cur; - }, - - moveH: methodOp(function(dir, unit) { - var cm = this; - cm.extendSelectionsBy(function(range) { - if (cm.display.shift || cm.doc.extend || range.empty()) - return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); - else - return dir < 0 ? range.from() : range.to(); - }, sel_move); - }), - - deleteH: methodOp(function(dir, unit) { - var sel = this.doc.sel, doc = this.doc; - if (sel.somethingSelected()) - doc.replaceSelection("", null, "+delete"); - else - deleteNearSelection(this, function(range) { - var other = findPosH(doc, range.head, dir, unit, false); - return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}; - }); - }), - - findPosV: function(from, amount, unit, goalColumn) { - var dir = 1, x = goalColumn; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - var coords = cursorCoords(this, cur, "div"); - if (x == null) x = coords.left; - else coords.left = x; - cur = findPosV(this, coords, dir, unit); - if (cur.hitSide) break; - } - return cur; - }, - - moveV: methodOp(function(dir, unit) { - var cm = this, doc = this.doc, goals = []; - var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); - doc.extendSelectionsBy(function(range) { - if (collapse) - return dir < 0 ? range.from() : range.to(); - var headPos = cursorCoords(cm, range.head, "div"); - if (range.goalColumn != null) headPos.left = range.goalColumn; - goals.push(headPos.left); - var pos = findPosV(cm, headPos, dir, unit); - if (unit == "page" && range == doc.sel.primary()) - addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top); - return pos; - }, sel_move); - if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++) - doc.sel.ranges[i].goalColumn = goals[i]; - }), - - // Find the word at the given position (as returned by coordsChar). - findWordAt: function(pos) { - var doc = this.doc, line = getLine(doc, pos.line).text; - var start = pos.ch, end = pos.ch; - if (line) { - var helper = this.getHelper(pos, "wordChars"); - if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; - var startChar = line.charAt(start); - var check = isWordChar(startChar, helper) - ? function(ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} - : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; - while (start > 0 && check(line.charAt(start - 1))) --start; - while (end < line.length && check(line.charAt(end))) ++end; - } - return new Range(Pos(pos.line, start), Pos(pos.line, end)); - }, - - toggleOverwrite: function(value) { - if (value != null && value == this.state.overwrite) return; - if (this.state.overwrite = !this.state.overwrite) - addClass(this.display.cursorDiv, "CodeMirror-overwrite"); - else - rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); - - signal(this, "overwriteToggle", this, this.state.overwrite); }, - hasFocus: function() { return this.display.input.getField() == activeElt(); }, - isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); }, - scrollTo: methodOp(function(x, y) { - if (x != null || y != null) resolveScrollToPos(this); - if (x != null) this.curOp.scrollLeft = x; - if (y != null) this.curOp.scrollTop = y; - }), - getScrollInfo: function() { - var scroller = this.display.scroller; - return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, - clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; + // When a node has grown, check whether it should be split. + maybeSpill: function() { + if (this.children.length <= 10) { return } + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10) + me.parent.maybeSpill(); }, - scrollIntoView: methodOp(function(range, margin) { - if (range == null) { - range = {from: this.doc.sel.primary().head, to: null}; - if (margin == null) margin = this.options.cursorScrollMargin; - } else if (typeof range == "number") { - range = {from: Pos(range, 0), to: null}; - } else if (range.from == null) { - range = {from: range, to: null}; - } - if (!range.to) range.to = range.from; - range.margin = margin || 0; - - if (range.from.line != null) { - resolveScrollToPos(this); - this.curOp.scrollToPos = range; - } else { - var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), - Math.min(range.from.top, range.to.top) - range.margin, - Math.max(range.from.right, range.to.right), - Math.max(range.from.bottom, range.to.bottom) + range.margin); - this.scrollTo(sPos.scrollLeft, sPos.scrollTop); - } - }), - - setSize: methodOp(function(width, height) { - var cm = this; - function interpret(val) { - return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; - } - if (width != null) cm.display.wrapper.style.width = interpret(width); - if (height != null) cm.display.wrapper.style.height = interpret(height); - if (cm.options.lineWrapping) clearLineMeasurementCache(this); - var lineNo = cm.display.viewFrom; - cm.doc.iter(lineNo, cm.display.viewTo, function(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) - if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; } - ++lineNo; - }); - cm.curOp.forceUpdate = true; - signal(cm, "refresh", this); - }), - - operation: function(f){return runInOp(this, f);}, - - refresh: methodOp(function() { - var oldHeight = this.display.cachedTextHeight; - regChange(this); - this.curOp.forceUpdate = true; - clearCaches(this); - this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); - updateGutterSpace(this); - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) - estimateLineHeights(this); - signal(this, "refresh", this); - }), - - swapDoc: methodOp(function(doc) { - var old = this.doc; - old.cm = null; - attachDoc(this, doc); - clearCaches(this); - this.display.input.reset(); - this.scrollTo(doc.scrollLeft, doc.scrollTop); - this.curOp.forceScroll = true; - signalLater(this, "swapDoc", this, old); - return old; - }), - - getInputField: function(){return this.display.input.getField();}, - getWrapperElement: function(){return this.display.wrapper;}, - getScrollerElement: function(){return this.display.scroller;}, - getGutterElement: function(){return this.display.gutters;} - }; - eventMixin(CodeMirror); - - // OPTION DEFAULTS - - // The default configuration options. - var defaults = CodeMirror.defaults = {}; - // Functions to run when options are changed. - var optionHandlers = CodeMirror.optionHandlers = {}; - - function option(name, deflt, handle, notOnInit) { - CodeMirror.defaults[name] = deflt; - if (handle) optionHandlers[name] = - notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; - } - - // Passed to option handlers when there is no old value. - var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; - - // These two are, on init, called from the constructor because they - // have to be initialized before the editor can start at all. - option("value", "", function(cm, val) { - cm.setValue(val); - }, true); - option("mode", null, function(cm, val) { - cm.doc.modeOption = val; - loadMode(cm); - }, true); - - option("indentUnit", 2, loadMode, true); - option("indentWithTabs", false); - option("smartIndent", true); - option("tabSize", 4, function(cm) { - resetModeState(cm); - clearCaches(cm); - regChange(cm); - }, true); - option("lineSeparator", null, function(cm, val) { - cm.doc.lineSep = val; - if (!val) return; - var newBreaks = [], lineNo = cm.doc.first; - cm.doc.iter(function(line) { - for (var pos = 0;;) { - var found = line.text.indexOf(val, pos); - if (found == -1) break; - pos = found + val.length; - newBreaks.push(Pos(lineNo, found)); - } - lineNo++; - }); - for (var i = newBreaks.length - 1; i >= 0; i--) - replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) - }); - option("specialChars", /[\u0000-\u001f\u007f\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - if (old != CodeMirror.Init) cm.refresh(); - }); - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); - option("electricChars", true); - option("inputStyle", mobile ? "contenteditable" : "textarea", function() { - throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME - }, true); - option("rtlMoveVisually", !windows); - option("wholeLineUpdateBefore", true); - - option("theme", "default", function(cm) { - themeChanged(cm); - guttersChanged(cm); - }, true); - option("keyMap", "default", function(cm, val, old) { - var next = getKeyMap(val); - var prev = old != CodeMirror.Init && getKeyMap(old); - if (prev && prev.detach) prev.detach(cm, next); - if (next.attach) next.attach(cm, prev || null); - }); - option("extraKeys", null); - - option("lineWrapping", false, wrappingChanged, true); - option("gutters", [], function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("fixedGutter", true, function(cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; - cm.refresh(); - }, true); - option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); - option("scrollbarStyle", "native", function(cm) { - initScrollbars(cm); - updateScrollbars(cm); - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); - }, true); - option("lineNumbers", false, function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("firstLineNumber", 1, guttersChanged, true); - option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); - option("showCursorWhenSelecting", false, updateSelection, true); - - option("resetSelectionOnContextMenu", true); - option("lineWiseCopyCut", true); - - option("readOnly", false, function(cm, val) { - if (val == "nocursor") { - onBlur(cm); - cm.display.input.blur(); - cm.display.disabled = true; - } else { - cm.display.disabled = false; - } - cm.display.input.readOnlyChanged(val) - }); - option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); - option("dragDrop", true, dragDropChanged); - option("allowDropFileTypes", null); - - option("cursorBlinkRate", 530); - option("cursorScrollMargin", 0); - option("cursorHeight", 1, updateSelection, true); - option("singleCursorHeightPerLine", true, updateSelection, true); - option("workTime", 100); - option("workDelay", 100); - option("flattenSpans", true, resetModeState, true); - option("addModeClass", false, resetModeState, true); - option("pollInterval", 100); - option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;}); - option("historyEventDelay", 1250); - option("viewportMargin", 10, function(cm){cm.refresh();}, true); - option("maxHighlightLength", 10000, resetModeState, true); - option("moveInputWithCursor", true, function(cm, val) { - if (!val) cm.display.input.resetPosition(); - }); - - option("tabindex", null, function(cm, val) { - cm.display.input.getField().tabIndex = val || ""; - }); - option("autofocus", null); - - // MODE DEFINITION AND QUERYING - - // Known modes, by name and by MIME - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; - - // Extra arguments are stored as the mode's dependencies, which is - // used by (legacy) mechanisms like loadmode.js to automatically - // load a mode. (Preferred mechanism is the require/define calls.) - CodeMirror.defineMode = function(name, mode) { - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; - if (arguments.length > 2) - mode.dependencies = Array.prototype.slice.call(arguments, 2); - modes[name] = mode; - }; - - CodeMirror.defineMIME = function(mime, spec) { - mimeModes[mime] = spec; - }; - - // Given a MIME type, a {name, ...options} config object, or a name - // string, return a mode config object. - CodeMirror.resolveMode = function(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { - spec = mimeModes[spec]; - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { - var found = mimeModes[spec.name]; - if (typeof found == "string") found = {name: found}; - spec = createObj(found, spec); - spec.name = found.name; - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { - return CodeMirror.resolveMode("application/xml"); - } - if (typeof spec == "string") return {name: spec}; - else return spec || {name: "null"}; - }; + iterN: function(at, n, op) { + var this$1 = this; - // Given a mode spec (anything that resolveMode accepts), find and - // initialize an actual mode object. - CodeMirror.getMode = function(options, spec) { - var spec = CodeMirror.resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) return CodeMirror.getMode(options, "text/plain"); - var modeObj = mfactory(options, spec); - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name]; - for (var prop in exts) { - if (!exts.hasOwnProperty(prop)) continue; - if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; - modeObj[prop] = exts[prop]; + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) { return true } + if ((n -= used) == 0) { break } + at = 0; + } else { at -= sz; } } } - modeObj.name = spec.name; - if (spec.helperType) modeObj.helperType = spec.helperType; - if (spec.modeProps) for (var prop in spec.modeProps) - modeObj[prop] = spec.modeProps[prop]; - - return modeObj; - }; - - // Minimal default mode. - CodeMirror.defineMode("null", function() { - return {token: function(stream) {stream.skipToEnd();}}; - }); - CodeMirror.defineMIME("text/plain", "null"); - - // This can be used to attach properties to mode objects from - // outside the actual mode definition. - var modeExtensions = CodeMirror.modeExtensions = {}; - CodeMirror.extendMode = function(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); - copyObj(properties, exts); - }; - - // EXTENSIONS - - CodeMirror.defineExtension = function(name, func) { - CodeMirror.prototype[name] = func; - }; - CodeMirror.defineDocExtension = function(name, func) { - Doc.prototype[name] = func; - }; - CodeMirror.defineOption = option; - - var initHooks = []; - CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; - - var helpers = CodeMirror.helpers = {}; - CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []}; - helpers[type][name] = value; }; - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { - CodeMirror.registerHelper(type, name, value); - helpers[type]._global.push({pred: predicate, val: value}); - }; - - // MODE STATE HANDLING - // Utility functions for working with state. Exported because nested - // modes need to do this for their inner modes. - - var copyState = CodeMirror.copyState = function(mode, state) { - if (state === true) return state; - if (mode.copyState) return mode.copyState(state); - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) val = val.concat([]); - nstate[n] = val; - } - return nstate; - }; + // Line widgets are block elements displayed above or below a line. - var startState = CodeMirror.startState = function(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true; - }; + var LineWidget = function(doc, node, options) { + var this$1 = this; - // Given a mode and a state (for that mode), find the inner mode and - // state at the position that the state refers to. - CodeMirror.innerMode = function(mode, state) { - while (mode.innerMode) { - var info = mode.innerMode(state); - if (!info || info.mode == mode) break; - state = info.state; - mode = info.mode; - } - return info || {mode: mode, state: state}; + if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) + { this$1[opt] = options[opt]; } } } + this.doc = doc; + this.node = node; }; - // STANDARD COMMANDS + LineWidget.prototype.clear = function () { + var this$1 = this; - // Commands are parameter-less actions that can be performed on an - // editor, mostly used for keybindings. - var commands = CodeMirror.commands = { - selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);}, - singleSelection: function(cm) { - cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); - }, - killLine: function(cm) { - deleteNearSelection(cm, function(range) { - if (range.empty()) { - var len = getLine(cm.doc, range.head.line).text.length; - if (range.head.ch == len && range.head.line < cm.lastLine()) - return {from: range.head, to: Pos(range.head.line + 1, 0)}; - else - return {from: range.head, to: Pos(range.head.line, len)}; - } else { - return {from: range.from(), to: range.to()}; - } - }); - }, - deleteLine: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), - to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}; - }); - }, - delLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), to: range.from()}; - }); - }, - delWrappedLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var leftPos = cm.coordsChar({left: 0, top: top}, "div"); - return {from: leftPos, to: range.from()}; - }); - }, - delWrappedLineRight: function(cm) { - deleteNearSelection(cm, function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - return {from: range.from(), to: rightPos }; - }); - }, - undo: function(cm) {cm.undo();}, - redo: function(cm) {cm.redo();}, - undoSelection: function(cm) {cm.undoSelection();}, - redoSelection: function(cm) {cm.redoSelection();}, - goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, - goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, - goLineStart: function(cm) { - cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, - {origin: "+move", bias: 1}); - }, - goLineStartSmart: function(cm) { - cm.extendSelectionsBy(function(range) { - return lineStartSmart(cm, range.head); - }, {origin: "+move", bias: 1}); - }, - goLineEnd: function(cm) { - cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, - {origin: "+move", bias: -1}); - }, - goLineRight: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - }, sel_move); - }, - goLineLeft: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: 0, top: top}, "div"); - }, sel_move); - }, - goLineLeftSmart: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var pos = cm.coordsChar({left: 0, top: top}, "div"); - if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); - return pos; - }, sel_move); - }, - goLineUp: function(cm) {cm.moveV(-1, "line");}, - goLineDown: function(cm) {cm.moveV(1, "line");}, - goPageUp: function(cm) {cm.moveV(-1, "page");}, - goPageDown: function(cm) {cm.moveV(1, "page");}, - goCharLeft: function(cm) {cm.moveH(-1, "char");}, - goCharRight: function(cm) {cm.moveH(1, "char");}, - goColumnLeft: function(cm) {cm.moveH(-1, "column");}, - goColumnRight: function(cm) {cm.moveH(1, "column");}, - goWordLeft: function(cm) {cm.moveH(-1, "word");}, - goGroupRight: function(cm) {cm.moveH(1, "group");}, - goGroupLeft: function(cm) {cm.moveH(-1, "group");}, - goWordRight: function(cm) {cm.moveH(1, "word");}, - delCharBefore: function(cm) {cm.deleteH(-1, "char");}, - delCharAfter: function(cm) {cm.deleteH(1, "char");}, - delWordBefore: function(cm) {cm.deleteH(-1, "word");}, - delWordAfter: function(cm) {cm.deleteH(1, "word");}, - delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, - delGroupAfter: function(cm) {cm.deleteH(1, "group");}, - indentAuto: function(cm) {cm.indentSelection("smart");}, - indentMore: function(cm) {cm.indentSelection("add");}, - indentLess: function(cm) {cm.indentSelection("subtract");}, - insertTab: function(cm) {cm.replaceSelection("\t");}, - insertSoftTab: function(cm) { - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; - for (var i = 0; i < ranges.length; i++) { - var pos = ranges[i].from(); - var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); - spaces.push(spaceStr(tabSize - col % tabSize)); - } - cm.replaceSelections(spaces); - }, - defaultTab: function(cm) { - if (cm.somethingSelected()) cm.indentSelection("add"); - else cm.execCommand("insertTab"); - }, - transposeChars: function(cm) { - runInOp(cm, function() { - var ranges = cm.listSelections(), newSel = []; - for (var i = 0; i < ranges.length; i++) { - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; - if (line) { - if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1); - if (cur.ch > 0) { - cur = new Pos(cur.line, cur.ch + 1); - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), - Pos(cur.line, cur.ch - 2), cur, "+transpose"); - } else if (cur.line > cm.doc.first) { - var prev = getLine(cm.doc, cur.line - 1).text; - if (prev) - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + - prev.charAt(prev.length - 1), - Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); - } - } - newSel.push(new Range(cur, cur)); - } - cm.setSelections(newSel); - }); - }, - newlineAndIndent: function(cm) { - runInOp(cm, function() { - var len = cm.listSelections().length; - for (var i = 0; i < len; i++) { - var range = cm.listSelections()[i]; - cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); - cm.indentLine(range.from().line + 1, null, true); - } - ensureCursorVisible(cm); + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + if (no == null || !ws) { return } + for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } } + if (!ws.length) { line.widgets = null; } + var height = widgetHeight(this); + updateLineHeight(line, Math.max(0, line.height - height)); + if (cm) { + runInOp(cm, function () { + adjustScrollWhenAboveVisible(cm, line, -height); + regLineChange(cm, no, "widget"); }); - }, - openLine: function(cm) {cm.replaceSelection("\n", "start")}, - toggleOverwrite: function(cm) {cm.toggleOverwrite();} - }; - - - // STANDARD KEYMAPS - - var keyMap = CodeMirror.keyMap = {}; - - keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", - "Esc": "singleSelection" - }; - // Note that the save and find-related commands aren't defined by - // default. User code or addons can define them. Unknown commands - // are simply ignored. - keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", - fallthrough: "basic" - }; - // Very basic readline/emacs-style bindings, which are standard on Mac. - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", - "Ctrl-O": "openLine" - }; - keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", - fallthrough: ["basic", "emacsy"] - }; - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - - // KEYMAP DISPATCH - - function normalizeKeyName(name) { - var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; - var alt, ctrl, shift, cmd; - for (var i = 0; i < parts.length - 1; i++) { - var mod = parts[i]; - if (/^(cmd|meta|m)$/i.test(mod)) cmd = true; - else if (/^a(lt)?$/i.test(mod)) alt = true; - else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true; - else if (/^s(hift)$/i.test(mod)) shift = true; - else throw new Error("Unrecognized modifier name: " + mod); + signalLater(cm, "lineWidgetCleared", cm, this, no); } - if (alt) name = "Alt-" + name; - if (ctrl) name = "Ctrl-" + name; - if (cmd) name = "Cmd-" + name; - if (shift) name = "Shift-" + name; - return name; - } - - // This is a kludge to keep keymaps mostly working as raw objects - // (backwards compatibility) while at the same time support features - // like normalization and multi-stroke key bindings. It compiles a - // new normalized keymap, and then updates the old object to reflect - // this. - CodeMirror.normalizeKeyMap = function(keymap) { - var copy = {}; - for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { - var value = keymap[keyname]; - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; - if (value == "...") { delete keymap[keyname]; continue; } - - var keys = map(keyname.split(" "), normalizeKeyName); - for (var i = 0; i < keys.length; i++) { - var val, name; - if (i == keys.length - 1) { - name = keys.join(" "); - val = value; - } else { - name = keys.slice(0, i + 1).join(" "); - val = "..."; - } - var prev = copy[name]; - if (!prev) copy[name] = val; - else if (prev != val) throw new Error("Inconsistent bindings for " + name); - } - delete keymap[keyname]; - } - for (var prop in copy) keymap[prop] = copy[prop]; - return keymap; }; - var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { - map = getKeyMap(map); - var found = map.call ? map.call(key, context) : map[key]; - if (found === false) return "nothing"; - if (found === "...") return "multi"; - if (found != null && handle(found)) return "handled"; + LineWidget.prototype.changed = function () { + var this$1 = this; - if (map.fallthrough) { - if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") - return lookupKey(key, map.fallthrough, handle, context); - for (var i = 0; i < map.fallthrough.length; i++) { - var result = lookupKey(key, map.fallthrough[i], handle, context); - if (result) return result; - } + var oldH = this.height, cm = this.doc.cm, line = this.line; + this.height = null; + var diff = widgetHeight(this) - oldH; + if (!diff) { return } + if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); } + if (cm) { + runInOp(cm, function () { + cm.curOp.forceUpdate = true; + adjustScrollWhenAboveVisible(cm, line, diff); + signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line)); + }); } }; + eventMixin(LineWidget); - // Modifier key presses don't count as 'real' key presses for the - // purpose of keymap fallthrough. - var isModifierKey = CodeMirror.isModifierKey = function(value) { - var name = typeof value == "string" ? value : keyNames[value.keyCode]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; - }; - - // Look up the name of a key as indicated by an event object. - var keyName = CodeMirror.keyName = function(event, noShift) { - if (presto && event.keyCode == 34 && event["char"]) return false; - var base = keyNames[event.keyCode], name = base; - if (name == null || event.altGraphKey) return false; - if (event.altKey && base != "Alt") name = "Alt-" + name; - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; - if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; - return name; - }; - - function getKeyMap(val) { - return typeof val == "string" ? keyMap[val] : val; + function adjustScrollWhenAboveVisible(cm, line, diff) { + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + { addToScrollTop(cm, diff); } } - // FROMTEXTAREA - - CodeMirror.fromTextArea = function(textarea, options) { - options = options ? copyObj(options) : {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabIndex) - options.tabindex = textarea.tabIndex; - if (!options.placeholder && textarea.placeholder) - options.placeholder = textarea.placeholder; - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = activeElt(); - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; - } - - function save() {textarea.value = cm.getValue();} - if (textarea.form) { - on(textarea.form, "submit", save); - // Deplorable hack to make the submit method do the right thing. - if (!options.leaveSubmitMethodAlone) { - var form = textarea.form, realSubmit = form.submit; - try { - var wrappedSubmit = form.submit = function() { - save(); - form.submit = realSubmit; - form.submit(); - form.submit = wrappedSubmit; - }; - } catch(e) {} - } - } - - options.finishInit = function(cm) { - cm.save = save; - cm.getTextArea = function() { return textarea; }; - cm.toTextArea = function() { - cm.toTextArea = isNaN; // Prevent this from being ran twice - save(); - textarea.parentNode.removeChild(cm.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - off(textarea.form, "submit", save); - if (typeof textarea.form.submit == "function") - textarea.form.submit = realSubmit; - } - }; - }; - - textarea.style.display = "none"; - var cm = CodeMirror(function(node) { - textarea.parentNode.insertBefore(node, textarea.nextSibling); - }, options); - return cm; - }; - - // STRING STREAM - - // Fed to the mode parsers, provides helper functions to make - // parsers more succinct. - - var StringStream = CodeMirror.StringStream = function(string, tabSize) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - this.lastColumnPos = this.lastColumnValue = 0; - this.lineStart = 0; - }; - - StringStream.prototype = { - eol: function() {return this.pos >= this.string.length;}, - sol: function() {return this.pos == this.lineStart;}, - peek: function() {return this.string.charAt(this.pos) || undefined;}, - next: function() { - if (this.pos < this.string.length) - return this.string.charAt(this.pos++); - }, - eat: function(match) { - var ch = this.string.charAt(this.pos); - if (typeof match == "string") var ok = ch == match; - else var ok = ch && (match.test ? match.test(ch) : match(ch)); - if (ok) {++this.pos; return ch;} - }, - eatWhile: function(match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start; - }, - eatSpace: function() { - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; - return this.pos > start; - }, - skipToEnd: function() {this.pos = this.string.length;}, - skipTo: function(ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true;} - }, - backUp: function(n) {this.pos -= n;}, - column: function() { - if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); - this.lastColumnPos = this.start; - } - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); - }, - indentation: function() { - return countColumn(this.string, null, this.tabSize) - - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); - }, - match: function(pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; - var substr = this.string.substr(this.pos, pattern.length); - if (cased(substr) == cased(pattern)) { - if (consume !== false) this.pos += pattern.length; - return true; - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && match.index > 0) return null; - if (match && consume !== false) this.pos += match[0].length; - return match; + function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options); + var cm = doc.cm; + if (cm && widget.noHScroll) { cm.display.alignWidgets = true; } + changeLine(doc, handle, "widget", function (line) { + var widgets = line.widgets || (line.widgets = []); + if (widget.insertAt == null) { widgets.push(widget); } + else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); } + widget.line = line; + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop; + updateLineHeight(line, line.height + widgetHeight(widget)); + if (aboveVisible) { addToScrollTop(cm, widget.height); } + cm.curOp.forceUpdate = true; } - }, - current: function(){return this.string.slice(this.start, this.pos);}, - hideFirstChars: function(n, inner) { - this.lineStart += n; - try { return inner(); } - finally { this.lineStart -= n; } - } - }; + return true + }); + if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); } + return widget + } // TEXTMARKERS @@ -6071,57 +5779,61 @@ // marker continues beyond the start/end of the line. Markers have // links back to the lines they currently touch. + // Collapsed markers have unique ids, in order to be able to order + // them, which is needed for uniquely determining an outer marker + // when they overlap (they may nest, but not partially overlap). var nextMarkerId = 0; - var TextMarker = CodeMirror.TextMarker = function(doc, type) { + var TextMarker = function(doc, type) { this.lines = []; this.type = type; this.doc = doc; this.id = ++nextMarkerId; }; - eventMixin(TextMarker); // Clear the marker. - TextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; + TextMarker.prototype.clear = function () { + var this$1 = this; + + if (this.explicitlyCleared) { return } var cm = this.doc.cm, withOp = cm && !cm.curOp; - if (withOp) startOperation(cm); + if (withOp) { startOperation(cm); } if (hasHandler(this, "clear")) { var found = this.find(); - if (found) signalLater(this, "clear", found.from, found.to); + if (found) { signalLater(this, "clear", found.from, found.to); } } var min = null, max = null; for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text"); + var line = this$1.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this$1); + if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); } else if (cm) { - if (span.to != null) max = lineNo(line); - if (span.from != null) min = lineNo(line); + if (span.to != null) { max = lineNo(line); } + if (span.from != null) { min = lineNo(line); } } line.markedSpans = removeMarkedSpan(line.markedSpans, span); - if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) - updateLineHeight(line, textHeight(cm.display)); + if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm) + { updateLineHeight(line, textHeight(cm.display)); } } - if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { - var visual = visualLine(this.lines[i]), len = lineLength(visual); + if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { + var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual); if (len > cm.display.maxLineLength) { cm.display.maxLine = visual; cm.display.maxLineLength = len; cm.display.maxLineChanged = true; } - } + } } - if (min != null && cm && this.collapsed) regChange(cm, min, max + 1); + if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); } this.lines.length = 0; this.explicitlyCleared = true; if (this.atomic && this.doc.cantEdit) { this.doc.cantEdit = false; - if (cm) reCheckSelection(cm.doc); + if (cm) { reCheckSelection(cm.doc); } } - if (cm) signalLater(cm, "markerCleared", cm, this); - if (withOp) endOperation(cm); - if (this.parent) this.parent.clear(); + if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); } + if (withOp) { endOperation(cm); } + if (this.parent) { this.parent.clear(); } }; // Find the position of the marker in the document. Returns a {from, @@ -6129,30 +5841,34 @@ // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the // Pos objects returned contain a line object, rather than a line // number (used to prevent looking up the same line twice). - TextMarker.prototype.find = function(side, lineObj) { - if (side == null && this.type == "bookmark") side = 1; + TextMarker.prototype.find = function (side, lineObj) { + var this$1 = this; + + if (side == null && this.type == "bookmark") { side = 1; } var from, to; for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); + var line = this$1.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this$1); if (span.from != null) { from = Pos(lineObj ? line : lineNo(line), span.from); - if (side == -1) return from; + if (side == -1) { return from } } if (span.to != null) { to = Pos(lineObj ? line : lineNo(line), span.to); - if (side == 1) return to; + if (side == 1) { return to } } } - return from && {from: from, to: to}; + return from && {from: from, to: to} }; // Signals that the marker's widget changed, and surrounding layout // should be recomputed. - TextMarker.prototype.changed = function() { + TextMarker.prototype.changed = function () { + var this$1 = this; + var pos = this.find(-1, true), widget = this, cm = this.doc.cm; - if (!pos || !cm) return; - runInOp(cm, function() { + if (!pos || !cm) { return } + runInOp(cm, function () { var line = pos.line, lineN = lineNo(pos.line); var view = findViewForLine(cm, lineN); if (view) { @@ -6165,84 +5881,82 @@ widget.height = null; var dHeight = widgetHeight(widget) - oldHeight; if (dHeight) - updateLineHeight(line, line.height + dHeight); + { updateLineHeight(line, line.height + dHeight); } } + signalLater(cm, "markerChanged", cm, this$1); }); }; - TextMarker.prototype.attachLine = function(line) { + TextMarker.prototype.attachLine = function (line) { if (!this.lines.length && this.doc.cm) { var op = this.doc.cm.curOp; if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) - (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); + { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); } } this.lines.push(line); }; - TextMarker.prototype.detachLine = function(line) { + + TextMarker.prototype.detachLine = function (line) { this.lines.splice(indexOf(this.lines, line), 1); if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); + var op = this.doc.cm.curOp + ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); } }; - - // Collapsed markers have unique ids, in order to be able to order - // them, which is needed for uniquely determining an outer marker - // when they overlap (they may nest, but not partially overlap). - var nextMarkerId = 0; + eventMixin(TextMarker); // Create a marker, wire it up to the right lines, and function markText(doc, from, to, options, type) { // Shared markers (across linked documents) are handled separately // (markTextShared will call out to this again, once per // document). - if (options && options.shared) return markTextShared(doc, from, to, options, type); + if (options && options.shared) { return markTextShared(doc, from, to, options, type) } // Ensure we are in an operation. - if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); + if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } var marker = new TextMarker(doc, type), diff = cmp(from, to); - if (options) copyObj(options, marker, false); + if (options) { copyObj(options, marker, false); } // Don't connect empty markers unless clearWhenEmpty is false if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) - return marker; + { return marker } if (marker.replacedWith) { // Showing up as a widget implies collapsed (widget replaces text) marker.collapsed = true; - marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); - if (options.insertLeft) marker.widgetNode.insertLeft = true; + marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget"); + if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); } + if (options.insertLeft) { marker.widgetNode.insertLeft = true; } } if (marker.collapsed) { if (conflictingCollapsedRange(doc, from.line, from, to, marker) || from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) - throw new Error("Inserting collapsed marker partially overlapping an existing one"); - sawCollapsedSpans = true; + { throw new Error("Inserting collapsed marker partially overlapping an existing one") } + seeCollapsedSpans(); } if (marker.addToHistory) - addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); + { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); } var curLine = from.line, cm = doc.cm, updateMaxLine; - doc.iter(curLine, to.line + 1, function(line) { + doc.iter(curLine, to.line + 1, function (line) { if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) - updateMaxLine = true; - if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); + { updateMaxLine = true; } + if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); } addMarkedSpan(line, new MarkedSpan(marker, curLine == from.line ? from.ch : null, curLine == to.line ? to.ch : null)); ++curLine; }); // lineIsHidden depends on the presence of the spans, so needs a second pass - if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { - if (lineIsHidden(doc, line)) updateLineHeight(line, 0); - }); + if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { + if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); } + }); } - if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); + if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); } if (marker.readOnly) { - sawReadOnlySpans = true; + seeReadOnlySpans(); if (doc.history.done.length || doc.history.undone.length) - doc.clearHistory(); + { doc.clearHistory(); } } if (marker.collapsed) { marker.id = ++nextMarkerId; @@ -6250,15 +5964,16 @@ } if (cm) { // Sync editor state - if (updateMaxLine) cm.curOp.updateMaxLine = true; + if (updateMaxLine) { cm.curOp.updateMaxLine = true; } if (marker.collapsed) - regChange(cm, from.line, to.line + 1); - else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) - for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); - if (marker.atomic) reCheckSelection(cm.doc); + { regChange(cm, from.line, to.line + 1); } + else if (marker.className || marker.startStyle || marker.endStyle || marker.css || + marker.attributes || marker.title) + { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } } + if (marker.atomic) { reCheckSelection(cm.doc); } signalLater(cm, "markerAdded", cm, marker); } - return marker; + return marker } // SHARED TEXTMARKERS @@ -6266,43 +5981,47 @@ // A shared marker spans multiple linked documents. It is // implemented as a meta-marker-object controlling multiple normal // markers. - var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) { + var SharedTextMarker = function(markers, primary) { + var this$1 = this; + this.markers = markers; this.primary = primary; for (var i = 0; i < markers.length; ++i) - markers[i].parent = this; + { markers[i].parent = this$1; } }; - eventMixin(SharedTextMarker); - SharedTextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; + SharedTextMarker.prototype.clear = function () { + var this$1 = this; + + if (this.explicitlyCleared) { return } this.explicitlyCleared = true; for (var i = 0; i < this.markers.length; ++i) - this.markers[i].clear(); + { this$1.markers[i].clear(); } signalLater(this, "clear"); }; - SharedTextMarker.prototype.find = function(side, lineObj) { - return this.primary.find(side, lineObj); + + SharedTextMarker.prototype.find = function (side, lineObj) { + return this.primary.find(side, lineObj) }; + eventMixin(SharedTextMarker); function markTextShared(doc, from, to, options, type) { options = copyObj(options); options.shared = false; var markers = [markText(doc, from, to, options, type)], primary = markers[0]; var widget = options.widgetNode; - linkedDocs(doc, function(doc) { - if (widget) options.widgetNode = widget.cloneNode(true); + linkedDocs(doc, function (doc) { + if (widget) { options.widgetNode = widget.cloneNode(true); } markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); for (var i = 0; i < doc.linked.length; ++i) - if (doc.linked[i].isParent) return; + { if (doc.linked[i].isParent) { return } } primary = lst(markers); }); - return new SharedTextMarker(markers, primary); + return new SharedTextMarker(markers, primary) } function findSharedMarkers(doc) { - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), - function(m) { return m.parent; }); + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) } function copySharedMarkers(doc, markers) { @@ -6318,9 +6037,9 @@ } function detachSharedMarkers(markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], linked = [marker.primary.doc];; - linkedDocs(marker.primary.doc, function(d) { linked.push(d); }); + var loop = function ( i ) { + var marker = markers[i], linked = [marker.primary.doc]; + linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }); for (var j = 0; j < marker.markers.length; j++) { var subMarker = marker.markers[j]; if (indexOf(linked, subMarker.doc) == -1) { @@ -6328,1099 +6047,32 @@ marker.markers.splice(j--, 1); } } - } - } - - // TEXTMARKER SPANS - - function MarkedSpan(marker, from, to) { - this.marker = marker; - this.from = from; this.to = to; - } - - // Search an array of spans for a span matching the given marker. - function getMarkedSpanFor(spans, marker) { - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) return span; - } - } - // Remove a span from an array, returning undefined if no spans are - // left (we don't store arrays for lines without spans). - function removeMarkedSpan(spans, span) { - for (var r, i = 0; i < spans.length; ++i) - if (spans[i] != span) (r || (r = [])).push(spans[i]); - return r; - } - // Add a span to a line. - function addMarkedSpan(line, span) { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; - span.marker.attachLine(line); - } - - // Used for the algorithm that adjusts markers for a change in the - // document. These functions cut an array of spans at a given - // character position, returning an array of remaining chunks (or - // undefined if nothing remains). - function markedSpansBefore(old, startCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); - (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); - } - } - return nw; - } - function markedSpansAfter(old, endCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); - (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, - span.to == null ? null : span.to - endCh)); - } - } - return nw; - } - - // Given a change object, compute the new set of marker spans that - // cover the line in which the change took place. Removes spans - // entirely within the change, reconnects spans belonging to the - // same marker that appear on both sides of the change, and cuts off - // spans partially within the change. Returns an array of span - // arrays with one element for each line in (after) the change. - function stretchSpansOverChange(doc, change) { - if (change.full) return null; - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; - if (!oldFirst && !oldLast) return null; - - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh, isInsert); - var last = markedSpansAfter(oldLast, endCh, isInsert); - - // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i]; - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker); - if (!found) span.to = startCh; - else if (sameLine) span.to = found.to == null ? null : found.to + offset; - } - } - } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i = 0; i < last.length; ++i) { - var span = last[i]; - if (span.to != null) span.to += offset; - if (span.from == null) { - var found = getMarkedSpanFor(first, span.marker); - if (!found) { - span.from = offset; - if (sameLine) (first || (first = [])).push(span); - } - } else { - span.from += offset; - if (sameLine) (first || (first = [])).push(span); - } - } - } - // Make sure we didn't create any zero-length spans - if (first) first = clearEmptySpans(first); - if (last && last != first) last = clearEmptySpans(last); - - var newMarkers = [first]; - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers; - if (gap > 0 && first) - for (var i = 0; i < first.length; ++i) - if (first[i].to == null) - (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null)); - for (var i = 0; i < gap; ++i) - newMarkers.push(gapMarkers); - newMarkers.push(last); - } - return newMarkers; - } - - // Remove spans that are empty and don't have a clearWhenEmpty - // option of false. - function clearEmptySpans(spans) { - for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) - spans.splice(i--, 1); - } - if (!spans.length) return null; - return spans; - } - - // Used for un/re-doing changes from the history. Combines the - // result of computing the existing spans with the set of spans that - // existed in the history (so that deleting around a span and then - // undoing brings back the span). - function mergeOldSpans(doc, change) { - var old = getOldSpans(doc, change); - var stretched = stretchSpansOverChange(doc, change); - if (!old) return stretched; - if (!stretched) return old; - - for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i]; - if (oldCur && stretchCur) { - spans: for (var j = 0; j < stretchCur.length; ++j) { - var span = stretchCur[j]; - for (var k = 0; k < oldCur.length; ++k) - if (oldCur[k].marker == span.marker) continue spans; - oldCur.push(span); - } - } else if (stretchCur) { - old[i] = stretchCur; - } - } - return old; - } - - // Used to 'clip' out readOnly ranges when making a change. - function removeReadOnlyRanges(doc, from, to) { - var markers = null; - doc.iter(from.line, to.line + 1, function(line) { - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker; - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - (markers || (markers = [])).push(mark); - } - }); - if (!markers) return null; - var parts = [{from: from, to: to}]; - for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(0); - for (var j = 0; j < parts.length; ++j) { - var p = parts[j]; - if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue; - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) - newParts.push({from: p.from, to: m.from}); - if (dto > 0 || !mk.inclusiveRight && !dto) - newParts.push({from: m.to, to: p.to}); - parts.splice.apply(parts, newParts); - j += newParts.length - 1; - } - } - return parts; - } - - // Connect or disconnect spans from a line. - function detachMarkedSpans(line) { - var spans = line.markedSpans; - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.detachLine(line); - line.markedSpans = null; - } - function attachMarkedSpans(line, spans) { - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.attachLine(line); - line.markedSpans = spans; - } - - // Helpers used when computing which overlapping collapsed span - // counts as the larger one. - function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; } - function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; } - - // Returns a number indicating which of two overlapping collapsed - // spans is larger (and thus includes the other). Falls back to - // comparing ids when the spans cover exactly the same range. - function compareCollapsedMarkers(a, b) { - var lenDiff = a.lines.length - b.lines.length; - if (lenDiff != 0) return lenDiff; - var aPos = a.find(), bPos = b.find(); - var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); - if (fromCmp) return -fromCmp; - var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); - if (toCmp) return toCmp; - return b.id - a.id; - } - - // Find out whether a line ends or starts in a collapsed span. If - // so, return the marker for that span. - function collapsedSpanAtSide(line, start) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) - found = sp.marker; - } - return found; - } - function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); } - function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); } - - // Test whether there exists a collapsed span that partially - // overlaps (covers the start or end, but not both) of a new span. - // Such overlap is not allowed. - function conflictingCollapsedRange(doc, lineNo, from, to, marker) { - var line = getLine(doc, lineNo); - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (!sp.marker.collapsed) continue; - var found = sp.marker.find(0); - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; - if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || - fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) - return true; - } - } - - // A visual line is a line as drawn on the screen. Folding, for - // example, can cause multiple logical lines to appear on the same - // visual line. This finds the start of the visual line that the - // given line is part of (usually that is the line itself). - function visualLine(line) { - var merged; - while (merged = collapsedSpanAtStart(line)) - line = merged.find(-1, true).line; - return line; - } - - // Returns an array of logical lines that continue the visual line - // started by the argument, or undefined if there are no such lines. - function visualLineContinued(line) { - var merged, lines; - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line; - (lines || (lines = [])).push(line); - } - return lines; - } - - // Get the line number of the start of the visual line that the - // given line number is part of. - function visualLineNo(doc, lineN) { - var line = getLine(doc, lineN), vis = visualLine(line); - if (line == vis) return lineN; - return lineNo(vis); - } - // Get the line number of the start of the next visual line after - // the given line. - function visualLineEndNo(doc, lineN) { - if (lineN > doc.lastLine()) return lineN; - var line = getLine(doc, lineN), merged; - if (!lineIsHidden(doc, line)) return lineN; - while (merged = collapsedSpanAtEnd(line)) - line = merged.find(1, true).line; - return lineNo(line) + 1; - } - - // Compute whether a line is hidden. Lines count as hidden when they - // are part of a visual line that starts with another line, or when - // they are entirely covered by collapsed, non-widget span. - function lineIsHidden(doc, line) { - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) continue; - if (sp.from == null) return true; - if (sp.marker.widgetNode) continue; - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - return true; - } - } - function lineIsHiddenInner(doc, line, span) { - if (span.to == null) { - var end = span.marker.find(1, true); - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); - } - if (span.marker.inclusiveRight && span.to == line.text.length) - return true; - for (var sp, i = 0; i < line.markedSpans.length; ++i) { - sp = line.markedSpans[i]; - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && - (sp.to == null || sp.to != span.from) && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) return true; - } - } - - // LINE WIDGETS - - // Line widgets are block elements displayed above or below a line. - - var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { - if (options) for (var opt in options) if (options.hasOwnProperty(opt)) - this[opt] = options[opt]; - this.doc = doc; - this.node = node; - }; - eventMixin(LineWidget); - - function adjustScrollWhenAboveVisible(cm, line, diff) { - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) - addToScrollPos(cm, null, diff); - } - - LineWidget.prototype.clear = function() { - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); - if (no == null || !ws) return; - for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); - if (!ws.length) line.widgets = null; - var height = widgetHeight(this); - updateLineHeight(line, Math.max(0, line.height - height)); - if (cm) runInOp(cm, function() { - adjustScrollWhenAboveVisible(cm, line, -height); - regLineChange(cm, no, "widget"); - }); - }; - LineWidget.prototype.changed = function() { - var oldH = this.height, cm = this.doc.cm, line = this.line; - this.height = null; - var diff = widgetHeight(this) - oldH; - if (!diff) return; - updateLineHeight(line, line.height + diff); - if (cm) runInOp(cm, function() { - cm.curOp.forceUpdate = true; - adjustScrollWhenAboveVisible(cm, line, diff); - }); - }; - - function widgetHeight(widget) { - if (widget.height != null) return widget.height; - var cm = widget.doc.cm; - if (!cm) return 0; - if (!contains(document.body, widget.node)) { - var parentStyle = "position: relative;"; - if (widget.coverGutter) - parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; - if (widget.noHScroll) - parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); - } - return widget.height = widget.node.parentNode.offsetHeight; - } - - function addLineWidget(doc, handle, node, options) { - var widget = new LineWidget(doc, node, options); - var cm = doc.cm; - if (cm && widget.noHScroll) cm.display.alignWidgets = true; - changeLine(doc, handle, "widget", function(line) { - var widgets = line.widgets || (line.widgets = []); - if (widget.insertAt == null) widgets.push(widget); - else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); - widget.line = line; - if (cm && !lineIsHidden(doc, line)) { - var aboveVisible = heightAtLine(line) < doc.scrollTop; - updateLineHeight(line, line.height + widgetHeight(widget)); - if (aboveVisible) addToScrollPos(cm, null, widget.height); - cm.curOp.forceUpdate = true; - } - return true; - }); - return widget; - } - - // LINE DATA STRUCTURE - - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { - this.text = text; - attachMarkedSpans(this, markedSpans); - this.height = estimateHeight ? estimateHeight(this) : 1; - }; - eventMixin(Line); - Line.prototype.lineNo = function() { return lineNo(this); }; - - // Change the content (text, markers) of a line. Automatically - // invalidates cached information and tries to re-estimate the - // line's height. - function updateLine(line, text, markedSpans, estimateHeight) { - line.text = text; - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - if (line.order != null) line.order = null; - detachMarkedSpans(line); - attachMarkedSpans(line, markedSpans); - var estHeight = estimateHeight ? estimateHeight(line) : 1; - if (estHeight != line.height) updateLineHeight(line, estHeight); - } - - // Detach a line from the document tree and its markers. - function cleanUpLine(line) { - line.parent = null; - detachMarkedSpans(line); - } - - function extractLineClasses(type, output) { - if (type) for (;;) { - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); - if (!lineClass) break; - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); - var prop = lineClass[1] ? "bgClass" : "textClass"; - if (output[prop] == null) - output[prop] = lineClass[2]; - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) - output[prop] += " " + lineClass[2]; - } - return type; - } - - function callBlankLine(mode, state) { - if (mode.blankLine) return mode.blankLine(state); - if (!mode.innerMode) return; - var inner = CodeMirror.innerMode(mode, state); - if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); - } - - function readToken(mode, stream, state, inner) { - for (var i = 0; i < 10; i++) { - if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; - var style = mode.token(stream, state); - if (stream.pos > stream.start) return style; - } - throw new Error("Mode " + mode.name + " failed to advance stream."); - } - - // Utility for getTokenAt and getLineTokens - function takeToken(cm, pos, precise, asArray) { - function getObj(copy) { - return {start: stream.start, end: stream.pos, - string: stream.current(), - type: style || null, - state: copy ? copyState(doc.mode, state) : state}; - } - - var doc = cm.doc, mode = doc.mode, style; - pos = clipPos(doc, pos); - var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); - var stream = new StringStream(line.text, cm.options.tabSize), tokens; - if (asArray) tokens = []; - while ((asArray || stream.pos < pos.ch) && !stream.eol()) { - stream.start = stream.pos; - style = readToken(mode, stream, state); - if (asArray) tokens.push(getObj(true)); - } - return asArray ? tokens : getObj(); - } - - // Run the given mode's parser over a line, calling f for each token. - function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { - var flattenSpans = mode.flattenSpans; - if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; - var curStart = 0, curStyle = null; - var stream = new StringStream(text, cm.options.tabSize), style; - var inner = cm.options.addModeClass && [null]; - if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); - while (!stream.eol()) { - if (stream.pos > cm.options.maxHighlightLength) { - flattenSpans = false; - if (forceToEnd) processLine(cm, text, state, stream.pos); - stream.pos = text.length; - style = null; - } else { - style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); - } - if (inner) { - var mName = inner[0].name; - if (mName) style = "m-" + (style ? mName + " " + style : mName); - } - if (!flattenSpans || curStyle != style) { - while (curStart < stream.start) { - curStart = Math.min(stream.start, curStart + 50000); - f(curStart, curStyle); - } - curStyle = style; - } - stream.start = stream.pos; - } - while (curStart < stream.pos) { - // Webkit seems to refuse to render text nodes longer than 57444 characters - var pos = Math.min(stream.pos, curStart + 50000); - f(pos, curStyle); - curStart = pos; - } - } - - // Compute a style array (an array starting with a mode generation - // -- for invalidation -- followed by pairs of end positions and - // style strings), which is used to highlight the tokens on the - // line. - function highlightLine(cm, line, state, forceToEnd) { - // A styles array always starts with a number identifying the - // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen], lineClasses = {}; - // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, state, function(end, style) { - st.push(end, style); - }, lineClasses, forceToEnd); - - // Run overlays, adjust style array. - for (var o = 0; o < cm.state.overlays.length; ++o) { - var overlay = cm.state.overlays[o], i = 1, at = 0; - runMode(cm, line.text, overlay.mode, true, function(end, style) { - var start = i; - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i]; - if (i_end > end) - st.splice(i, 1, end, st[i+1], i_end); - i += 2; - at = Math.min(end, i_end); - } - if (!style) return; - if (overlay.opaque) { - st.splice(start, i - start, end, "cm-overlay " + style); - i = start + 2; - } else { - for (; start < i; start += 2) { - var cur = st[start+1]; - st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style; - } - } - }, lineClasses); - } - - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; - } - - function getLineStyles(cm, line, updateFrontier) { - if (!line.styles || line.styles[0] != cm.state.modeGen) { - var state = getStateBefore(cm, lineNo(line)); - var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); - line.stateAfter = state; - line.styles = result.styles; - if (result.classes) line.styleClasses = result.classes; - else if (line.styleClasses) line.styleClasses = null; - if (updateFrontier === cm.doc.frontier) cm.doc.frontier++; - } - return line.styles; - } - - // Lightweight form of highlight -- proceed over this line and - // update state, but don't save a style array. Used for lines that - // aren't currently visible. - function processLine(cm, text, state, startAt) { - var mode = cm.doc.mode; - var stream = new StringStream(text, cm.options.tabSize); - stream.start = stream.pos = startAt || 0; - if (text == "") callBlankLine(mode, state); - while (!stream.eol()) { - readToken(mode, stream, state); - stream.start = stream.pos; - } - } - - // Convert a style as returned by a mode (either null, or a string - // containing one or more styles) to a CSS style. This is cached, - // and also looks for line-wide styles. - var styleToClassCache = {}, styleToClassCacheWithMode = {}; - function interpretTokenStyle(style, options) { - if (!style || /^\s*$/.test(style)) return null; - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; - return cache[style] || - (cache[style] = style.replace(/\S+/g, "cm-$&")); - } - - // Render the DOM representation of the text of a line. Also builds - // up a 'line map', which points at the DOM nodes that represent - // specific stretches of text, and is used by the measuring code. - // The returned object contains the DOM node, this map, and - // information about line-wide styles that were set by the mode. - function buildLineContent(cm, lineView) { - // The padding-right forces the element to have a 'border', which - // is needed on Webkit to be able to get line-level bounding - // rectangles for it (in measureChar). - var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); - var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, - col: 0, pos: 0, cm: cm, - trailingSpace: false, - splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; - lineView.measure = {}; - - // Iterate over the logical lines that make up this visual line. - for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { - var line = i ? lineView.rest[i - 1] : lineView.line, order; - builder.pos = 0; - builder.addToken = buildToken; - // Optionally wire in some hacks into the token-rendering - // algorithm, to deal with browser quirks. - if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) - builder.addToken = buildTokenBadBidi(builder.addToken, order); - builder.map = []; - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); - if (line.styleClasses) { - if (line.styleClasses.bgClass) - builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); - if (line.styleClasses.textClass) - builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); - } - - // Ensure at least a single node is present, for measuring. - if (builder.map.length == 0) - builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); - - // Store the map and a cache object for the current logical line - if (i == 0) { - lineView.measure.map = builder.map; - lineView.measure.cache = {}; - } else { - (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map); - (lineView.measure.caches || (lineView.measure.caches = [])).push({}); - } - } - - // See issue #2901 - if (webkit) { - var last = builder.content.lastChild - if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) - builder.content.className = "cm-tab-wrap-hack"; - } - - signal(cm, "renderLine", cm, lineView.line, builder.pre); - if (builder.pre.className) - builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); - - return builder; - } - - function defaultSpecialCharPlaceholder(ch) { - var token = elt("span", "\u2022", "cm-invalidchar"); - token.title = "\\u" + ch.charCodeAt(0).toString(16); - token.setAttribute("aria-label", token.title); - return token; - } - - // Build up the DOM representation for a single token, and add it to - // the line map. Takes care to render special characters separately. - function buildToken(builder, text, style, startStyle, endStyle, title, css) { - if (!text) return; - var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text - var special = builder.cm.state.specialChars, mustWrap = false; - if (!special.test(text)) { - builder.col += text.length; - var content = document.createTextNode(displayText); - builder.map.push(builder.pos, builder.pos + text.length, content); - if (ie && ie_version < 9) mustWrap = true; - builder.pos += text.length; - } else { - var content = document.createDocumentFragment(), pos = 0; - while (true) { - special.lastIndex = pos; - var m = special.exec(text); - var skipped = m ? m.index - pos : text.length - pos; - if (skipped) { - var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); - if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); - else content.appendChild(txt); - builder.map.push(builder.pos, builder.pos + skipped, txt); - builder.col += skipped; - builder.pos += skipped; - } - if (!m) break; - pos += skipped + 1; - if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; - var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); - txt.setAttribute("role", "presentation"); - txt.setAttribute("cm-text", "\t"); - builder.col += tabWidth; - } else if (m[0] == "\r" || m[0] == "\n") { - var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); - txt.setAttribute("cm-text", m[0]); - builder.col += 1; - } else { - var txt = builder.cm.options.specialCharPlaceholder(m[0]); - txt.setAttribute("cm-text", m[0]); - if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); - else content.appendChild(txt); - builder.col += 1; - } - builder.map.push(builder.pos, builder.pos + 1, txt); - builder.pos++; - } - } - builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32 - if (style || startStyle || endStyle || mustWrap || css) { - var fullStyle = style || ""; - if (startStyle) fullStyle += startStyle; - if (endStyle) fullStyle += endStyle; - var token = elt("span", [content], fullStyle, css); - if (title) token.title = title; - return builder.content.appendChild(token); - } - builder.content.appendChild(content); - } - - function splitSpaces(text, trailingBefore) { - if (text.length > 1 && !/ /.test(text)) return text - var spaceBefore = trailingBefore, result = "" - for (var i = 0; i < text.length; i++) { - var ch = text.charAt(i) - if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) - ch = "\u00a0" - result += ch - spaceBefore = ch == " " - } - return result - } - - // Work around nonsense dimensions being reported for stretches of - // right-to-left text. - function buildTokenBadBidi(inner, order) { - return function(builder, text, style, startStyle, endStyle, title, css) { - style = style ? style + " cm-force-border" : "cm-force-border"; - var start = builder.pos, end = start + text.length; - for (;;) { - // Find the part that overlaps with the start of this text - for (var i = 0; i < order.length; i++) { - var part = order[i]; - if (part.to > start && part.from <= start) break; - } - if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); - startStyle = null; - text = text.slice(part.to - start); - start = part.to; - } }; - } - function buildCollapsedSpan(builder, size, marker, ignoreWidget) { - var widget = !ignoreWidget && marker.widgetNode; - if (widget) builder.map.push(builder.pos, builder.pos + size, widget); - if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { - if (!widget) - widget = builder.content.appendChild(document.createElement("span")); - widget.setAttribute("cm-marker", marker.id); - } - if (widget) { - builder.cm.display.input.setUneditable(widget); - builder.content.appendChild(widget); - } - builder.pos += size; - builder.trailingSpace = false + for (var i = 0; i < markers.length; i++) loop( i ); } - // Outputs a number of spans to make up a line, taking highlighting - // and marked text into account. - function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0; - if (!spans) { - for (var i = 1; i < styles.length; i+=2) - builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options)); - return; - } - - var len = allText.length, pos = 0, i = 1, text = "", style, css; - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; - for (;;) { - if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = title = css = ""; - collapsed = null; nextChange = Infinity; - var foundBookmarks = [], endStyles - for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker; - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { - foundBookmarks.push(m); - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { - if (sp.to != null && sp.to != pos && nextChange > sp.to) { - nextChange = sp.to; - spanEndStyle = ""; - } - if (m.className) spanStyle += " " + m.className; - if (m.css) css = (css ? css + ";" : "") + m.css; - if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; - if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to) - if (m.title && !title) title = m.title; - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) - collapsed = sp; - } else if (sp.from > pos && nextChange > sp.from) { - nextChange = sp.from; - } - } - if (endStyles) for (var j = 0; j < endStyles.length; j += 2) - if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j] - - if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j) - buildCollapsedSpan(builder, 0, foundBookmarks[j]); - if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, - collapsed.marker, collapsed.from == null); - if (collapsed.to == null) return; - if (collapsed.to == pos) collapsed = false; - } - } - if (pos >= len) break; - - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - if (!collapsed) { - var tokenText = end > upto ? text.slice(0, upto - pos) : text; - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); - } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} - pos = end; - spanStartStyle = ""; - } - text = allText.slice(at, at = styles[i++]); - style = interpretTokenStyle(styles[i++], builder.cm.options); - } - } - } - - // DOCUMENT DATA STRUCTURE - - // By default, updates that start and end at the beginning of a line - // are treated specially, in order to make the association of line - // widgets and marker elements with the text behave more intuitive. - function isWholeLineUpdate(doc, change) { - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore); - } - - // Perform a change on the document data structure. - function updateDoc(doc, change, markedSpans, estimateHeight) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null;} - function update(line, text, spans) { - updateLine(line, text, spans, estimateHeight); - signalLater(line, "change", line, change); - } - function linesFor(start, end) { - for (var i = start, result = []; i < end; ++i) - result.push(new Line(text[i], spansFor(i), estimateHeight)); - return result; - } - - var from = change.from, to = change.to, text = change.text; - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; - - // Adjust the line structure - if (change.full) { - doc.insert(0, linesFor(0, text.length)); - doc.remove(text.length, doc.size - text.length); - } else if (isWholeLineUpdate(doc, change)) { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = linesFor(0, text.length - 1); - update(lastLine, lastLine.text, lastSpans); - if (nlines) doc.remove(from.line, nlines); - if (added.length) doc.insert(from.line, added); - } else if (firstLine == lastLine) { - if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); - } else { - var added = linesFor(1, text.length - 1); - added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - doc.insert(from.line + 1, added); - } - } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); - doc.remove(from.line + 1, nlines); - } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); - var added = linesFor(1, text.length - 1); - if (nlines > 1) doc.remove(from.line + 1, nlines - 1); - doc.insert(from.line + 1, added); - } - - signalLater(doc, "change", doc, change); - } - - // The document is represented as a BTree consisting of leaves, with - // chunk of lines in them, and branches, with up to ten leaves or - // other branch nodes below them. The top node is always a branch - // node, and is the document object itself (meaning it has - // additional methods and properties). - // - // All nodes have parent links. The tree is used both to go from - // line numbers to line objects, and to go from objects to numbers. - // It also indexes by height, and is used to convert between height - // and line object, and to find the total height of the document. - // - // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html - - function LeafChunk(lines) { - this.lines = lines; - this.parent = null; - for (var i = 0, height = 0; i < lines.length; ++i) { - lines[i].parent = this; - height += lines[i].height; - } - this.height = height; - } - - LeafChunk.prototype = { - chunkSize: function() { return this.lines.length; }, - // Remove the n lines at offset 'at'. - removeInner: function(at, n) { - for (var i = at, e = at + n; i < e; ++i) { - var line = this.lines[i]; - this.height -= line.height; - cleanUpLine(line); - signalLater(line, "delete"); - } - this.lines.splice(at, n); - }, - // Helper used to collapse a small branch into a single leaf. - collapse: function(lines) { - lines.push.apply(lines, this.lines); - }, - // Insert the given array of lines at offset 'at', count them as - // having the given height. - insertInner: function(at, lines, height) { - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0; i < lines.length; ++i) lines[i].parent = this; - }, - // Used to iterate over a part of the tree. - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - if (op(this.lines[at])) return true; - } - }; - - function BranchChunk(children) { - this.children = children; - var size = 0, height = 0; - for (var i = 0; i < children.length; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this; - } - this.size = size; - this.height = height; - this.parent = null; - } - - BranchChunk.prototype = { - chunkSize: function() { return this.size; }, - removeInner: function(at, n) { - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.removeInner(at, rm); - this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) break; - at = 0; - } else at -= sz; - } - // If the result is smaller than 25 lines, ensure that it is a - // single leaf node. - if (this.size - n < 25 && - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; - } - }, - collapse: function(lines) { - for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines); - }, - insertInner: function(at, lines, height) { - this.size += lines.length; - this.height += height; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertInner(at, lines, height); - if (child.lines && child.lines.length > 50) { - // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. - // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. - var remaining = child.lines.length % 25 + 25 - for (var pos = remaining; pos < child.lines.length;) { - var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); - child.height -= leaf.height; - this.children.splice(++i, 0, leaf); - leaf.parent = this; - } - child.lines = child.lines.slice(0, remaining); - this.maybeSpill(); - } - break; - } - at -= sz; - } - }, - // When a node has grown, check whether it should be split. - maybeSpill: function() { - if (this.children.length <= 10) return; - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); - } - sibling.parent = me.parent; - } while (me.children.length > 10); - me.parent.maybeSpill(); - }, - iterN: function(at, n, op) { - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) return true; - if ((n -= used) == 0) break; - at = 0; - } else at -= sz; - } - } - }; - var nextDocId = 0; - var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { - if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); - if (firstLine == null) firstLine = 0; + var Doc = function(text, mode, firstLine, lineSep, direction) { + if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) } + if (firstLine == null) { firstLine = 0; } BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); this.first = firstLine; this.scrollTop = this.scrollLeft = 0; this.cantEdit = false; this.cleanGeneration = 1; - this.frontier = firstLine; + this.modeFrontier = this.highlightFrontier = firstLine; var start = Pos(firstLine, 0); this.sel = simpleSelection(start); this.history = new History(null); this.id = ++nextDocId; this.modeOption = mode; this.lineSep = lineSep; + this.direction = (direction == "rtl") ? "rtl" : "ltr"; this.extend = false; - if (typeof text == "string") text = this.splitLines(text); + if (typeof text == "string") { text = this.splitLines(text); } updateDoc(this, {from: start, to: start, text: text}); setSelection(this, simpleSelection(start), sel_dontScroll); }; @@ -7432,14 +6084,14 @@ // three, it iterates over the range given by the first two (with // the second being non-inclusive). iter: function(from, to, op) { - if (op) this.iterN(from - this.first, to - from, op); - else this.iterN(this.first, this.first + this.size, from); + if (op) { this.iterN(from - this.first, to - from, op); } + else { this.iterN(this.first, this.first + this.size, from); } }, // Non-public interface for adding and removing lines. insert: function(at, lines) { var height = 0; - for (var i = 0; i < lines.length; ++i) height += lines[i].height; + for (var i = 0; i < lines.length; ++i) { height += lines[i].height; } this.insertInner(at - this.first, lines, height); }, remove: function(at, n) { this.removeInner(at - this.first, n); }, @@ -7449,14 +6101,15 @@ getValue: function(lineSep) { var lines = getLines(this, this.first, this.first + this.size); - if (lineSep === false) return lines; - return lines.join(lineSep || this.lineSeparator()); + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) }, setValue: docMethodOp(function(code) { var top = Pos(this.first, 0), last = this.first + this.size - 1; makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), text: this.splitLines(code), origin: "setValue", full: true}, true); - setSelection(this, simpleSelection(top)); + if (this.cm) { scrollToCoords(this.cm, 0, 0); } + setSelection(this, simpleSelection(top), sel_dontScroll); }), replaceRange: function(code, from, to, origin) { from = clipPos(this, from); @@ -7465,36 +6118,36 @@ }, getRange: function(from, to, lineSep) { var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); - if (lineSep === false) return lines; - return lines.join(lineSep || this.lineSeparator()); + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) }, - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, - getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, - getLineNumber: function(line) {return lineNo(line);}, + getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, + getLineNumber: function(line) {return lineNo(line)}, getLineHandleVisualStart: function(line) { - if (typeof line == "number") line = getLine(this, line); - return visualLine(line); + if (typeof line == "number") { line = getLine(this, line); } + return visualLine(line) }, - lineCount: function() {return this.size;}, - firstLine: function() {return this.first;}, - lastLine: function() {return this.first + this.size - 1;}, + lineCount: function() {return this.size}, + firstLine: function() {return this.first}, + lastLine: function() {return this.first + this.size - 1}, - clipPos: function(pos) {return clipPos(this, pos);}, + clipPos: function(pos) {return clipPos(this, pos)}, getCursor: function(start) { - var range = this.sel.primary(), pos; - if (start == null || start == "head") pos = range.head; - else if (start == "anchor") pos = range.anchor; - else if (start == "end" || start == "to" || start === false) pos = range.to(); - else pos = range.from(); - return pos; + var range$$1 = this.sel.primary(), pos; + if (start == null || start == "head") { pos = range$$1.head; } + else if (start == "anchor") { pos = range$$1.anchor; } + else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); } + else { pos = range$$1.from(); } + return pos }, - listSelections: function() { return this.sel.ranges; }, - somethingSelected: function() {return this.sel.somethingSelected();}, + listSelections: function() { return this.sel.ranges }, + somethingSelected: function() {return this.sel.somethingSelected()}, setCursor: docMethodOp(function(line, ch, options) { setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); @@ -7513,54 +6166,63 @@ extendSelections(this, clipPosArray(this, heads), options); }), setSelections: docMethodOp(function(ranges, primary, options) { - if (!ranges.length) return; - for (var i = 0, out = []; i < ranges.length; i++) - out[i] = new Range(clipPos(this, ranges[i].anchor), - clipPos(this, ranges[i].head)); - if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex); - setSelection(this, normalizeSelection(out, primary), options); + var this$1 = this; + + if (!ranges.length) { return } + var out = []; + for (var i = 0; i < ranges.length; i++) + { out[i] = new Range(clipPos(this$1, ranges[i].anchor), + clipPos(this$1, ranges[i].head)); } + if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); } + setSelection(this, normalizeSelection(this.cm, out, primary), options); }), addSelection: docMethodOp(function(anchor, head, options) { var ranges = this.sel.ranges.slice(0); ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); - setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); + setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options); }), getSelection: function(lineSep) { + var this$1 = this; + var ranges = this.sel.ranges, lines; for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()); lines = lines ? lines.concat(sel) : sel; } - if (lineSep === false) return lines; - else return lines.join(lineSep || this.lineSeparator()); + if (lineSep === false) { return lines } + else { return lines.join(lineSep || this.lineSeparator()) } }, getSelections: function(lineSep) { + var this$1 = this; + var parts = [], ranges = this.sel.ranges; for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()); + if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); } parts[i] = sel; } - return parts; + return parts }, replaceSelection: function(code, collapse, origin) { var dup = []; for (var i = 0; i < this.sel.ranges.length; i++) - dup[i] = code; + { dup[i] = code; } this.replaceSelections(dup, collapse, origin || "+input"); }, replaceSelections: docMethodOp(function(code, collapse, origin) { + var this$1 = this; + var changes = [], sel = this.sel; for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; + var range$$1 = sel.ranges[i]; + changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin}; } var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); - for (var i = changes.length - 1; i >= 0; i--) - makeChange(this, changes[i]); - if (newSel) setSelectionReplaceHistory(this, newSel); - else if (this.cm) ensureCursorVisible(this.cm); + for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) + { makeChange(this$1, changes[i$1]); } + if (newSel) { setSelectionReplaceHistory(this, newSel); } + else if (this.cm) { ensureCursorVisible(this.cm); } }), undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), @@ -7568,13 +6230,13 @@ redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), setExtending: function(val) {this.extend = val;}, - getExtending: function() {return this.extend;}, + getExtending: function() {return this.extend}, historySize: function() { var hist = this.history, done = 0, undone = 0; - for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done; - for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone; - return {undo: done, redo: undone}; + for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } } + for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } } + return {undo: done, redo: undone} }, clearHistory: function() {this.history = new History(this.history.maxGeneration);}, @@ -7583,16 +6245,16 @@ }, changeGeneration: function(forceSplit) { if (forceSplit) - this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; - return this.history.generation; + { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; } + return this.history.generation }, isClean: function (gen) { - return this.history.generation == (gen || this.cleanGeneration); + return this.history.generation == (gen || this.cleanGeneration) }, getHistory: function() { return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)}; + undone: copyHistoryArray(this.history.undone)} }, setHistory: function(histData) { var hist = this.history = new History(this.history.maxGeneration); @@ -7600,42 +6262,81 @@ hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); }, + setGutterMarker: docMethodOp(function(line, gutterID, value) { + return changeLine(this, line, "gutter", function (line) { + var markers = line.gutterMarkers || (line.gutterMarkers = {}); + markers[gutterID] = value; + if (!value && isEmpty(markers)) { line.gutterMarkers = null; } + return true + }) + }), + + clearGutter: docMethodOp(function(gutterID) { + var this$1 = this; + + this.iter(function (line) { + if (line.gutterMarkers && line.gutterMarkers[gutterID]) { + changeLine(this$1, line, "gutter", function () { + line.gutterMarkers[gutterID] = null; + if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; } + return true + }); + } + }); + }), + + lineInfo: function(line) { + var n; + if (typeof line == "number") { + if (!isLine(this, line)) { return null } + n = line; + line = getLine(this, line); + if (!line) { return null } + } else { + n = lineNo(line); + if (n == null) { return null } + } + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, + widgets: line.widgets} + }, + addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : where == "gutter" ? "gutterClass" : "wrapClass"; - if (!line[prop]) line[prop] = cls; - else if (classTest(cls).test(line[prop])) return false; - else line[prop] += " " + cls; - return true; - }); + if (!line[prop]) { line[prop] = cls; } + else if (classTest(cls).test(line[prop])) { return false } + else { line[prop] += " " + cls; } + return true + }) }), removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : where == "gutter" ? "gutterClass" : "wrapClass"; var cur = line[prop]; - if (!cur) return false; - else if (cls == null) line[prop] = null; + if (!cur) { return false } + else if (cls == null) { line[prop] = null; } else { var found = cur.match(classTest(cls)); - if (!found) return false; + if (!found) { return false } var end = found.index + found[0].length; line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; } - return true; - }); + return true + }) }), addLineWidget: docMethodOp(function(handle, node, options) { - return addLineWidget(this, handle, node, options); + return addLineWidget(this, handle, node, options) }), removeLineWidget: function(widget) { widget.clear(); }, markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range"); + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") }, setBookmark: function(pos, options) { var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), @@ -7643,70 +6344,70 @@ clearWhenEmpty: false, shared: options && options.shared, handleMouseEvents: options && options.handleMouseEvents}; pos = clipPos(this, pos); - return markText(this, pos, pos, realOpts, "bookmark"); + return markText(this, pos, pos, realOpts, "bookmark") }, findMarksAt: function(pos) { pos = clipPos(this, pos); var markers = [], spans = getLine(this, pos.line).markedSpans; - if (spans) for (var i = 0; i < spans.length; ++i) { + if (spans) { for (var i = 0; i < spans.length; ++i) { var span = spans[i]; if ((span.from == null || span.from <= pos.ch) && (span.to == null || span.to >= pos.ch)) - markers.push(span.marker.parent || span.marker); - } - return markers; + { markers.push(span.marker.parent || span.marker); } + } } + return markers }, findMarks: function(from, to, filter) { from = clipPos(this, from); to = clipPos(this, to); - var found = [], lineNo = from.line; - this.iter(from.line, to.line + 1, function(line) { + var found = [], lineNo$$1 = from.line; + this.iter(from.line, to.line + 1, function (line) { var spans = line.markedSpans; - if (spans) for (var i = 0; i < spans.length; i++) { + if (spans) { for (var i = 0; i < spans.length; i++) { var span = spans[i]; - if (!(span.to != null && lineNo == from.line && from.ch >= span.to || - span.from == null && lineNo != from.line || - span.from != null && lineNo == to.line && span.from >= to.ch) && + if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to || + span.from == null && lineNo$$1 != from.line || + span.from != null && lineNo$$1 == to.line && span.from >= to.ch) && (!filter || filter(span.marker))) - found.push(span.marker.parent || span.marker); - } - ++lineNo; + { found.push(span.marker.parent || span.marker); } + } } + ++lineNo$$1; }); - return found; + return found }, getAllMarks: function() { var markers = []; - this.iter(function(line) { + this.iter(function (line) { var sps = line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) - if (sps[i].from != null) markers.push(sps[i].marker); + if (sps) { for (var i = 0; i < sps.length; ++i) + { if (sps[i].from != null) { markers.push(sps[i].marker); } } } }); - return markers; + return markers }, posFromIndex: function(off) { - var ch, lineNo = this.first, sepSize = this.lineSeparator().length; - this.iter(function(line) { + var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length; + this.iter(function (line) { var sz = line.text.length + sepSize; - if (sz > off) { ch = off; return true; } + if (sz > off) { ch = off; return true } off -= sz; - ++lineNo; + ++lineNo$$1; }); - return clipPos(this, Pos(lineNo, ch)); + return clipPos(this, Pos(lineNo$$1, ch)) }, indexFromPos: function (coords) { coords = clipPos(this, coords); var index = coords.ch; - if (coords.line < this.first || coords.ch < 0) return 0; + if (coords.line < this.first || coords.ch < 0) { return 0 } var sepSize = this.lineSeparator().length; - this.iter(this.first, coords.line, function (line) { + this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value index += line.text.length + sepSize; }); - return index; + return index }, copy: function(copyHistory) { var doc = new Doc(getLines(this, this.first, this.first + this.size), - this.modeOption, this.first, this.lineSep); + this.modeOption, this.first, this.lineSep, this.direction); doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; doc.sel = this.sel; doc.extend = false; @@ -7714,35 +6415,37 @@ doc.history.undoDepth = this.history.undoDepth; doc.setHistory(this.getHistory()); } - return doc; + return doc }, linkedDoc: function(options) { - if (!options) options = {}; + if (!options) { options = {}; } var from = this.first, to = this.first + this.size; - if (options.from != null && options.from > from) from = options.from; - if (options.to != null && options.to < to) to = options.to; - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); - if (options.sharedHist) copy.history = this.history; - (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); + if (options.from != null && options.from > from) { from = options.from; } + if (options.to != null && options.to < to) { to = options.to; } + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction); + if (options.sharedHist) { copy.history = this.history + ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; copySharedMarkers(copy, findSharedMarkers(this)); - return copy; + return copy }, unlinkDoc: function(other) { - if (other instanceof CodeMirror) other = other.doc; - if (this.linked) for (var i = 0; i < this.linked.length; ++i) { - var link = this.linked[i]; - if (link.doc != other) continue; - this.linked.splice(i, 1); - other.unlinkDoc(this); - detachSharedMarkers(findSharedMarkers(this)); - break; - } + var this$1 = this; + + if (other instanceof CodeMirror) { other = other.doc; } + if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { + var link = this$1.linked[i]; + if (link.doc != other) { continue } + this$1.linked.splice(i, 1); + other.unlinkDoc(this$1); + detachSharedMarkers(findSharedMarkers(this$1)); + break + } } // If the histories were shared, split them again if (other.history == this.history) { var splitIds = [other.id]; - linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); + linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true); other.history = new History(null); other.history.done = copyHistoryArray(this.history.done, splitIds); other.history.undone = copyHistoryArray(this.history.undone, splitIds); @@ -7750,1186 +6453,3273 @@ }, iterLinkedDocs: function(f) {linkedDocs(this, f);}, - getMode: function() {return this.mode;}, - getEditor: function() {return this.cm;}, + getMode: function() {return this.mode}, + getEditor: function() {return this.cm}, splitLines: function(str) { - if (this.lineSep) return str.split(this.lineSep); - return splitLinesAuto(str); + if (this.lineSep) { return str.split(this.lineSep) } + return splitLinesAuto(str) }, - lineSeparator: function() { return this.lineSep || "\n"; } + lineSeparator: function() { return this.lineSep || "\n" }, + + setDirection: docMethodOp(function (dir) { + if (dir != "rtl") { dir = "ltr"; } + if (dir == this.direction) { return } + this.direction = dir; + this.iter(function (line) { return line.order = null; }); + if (this.cm) { directionChanged(this.cm); } + }) }); // Public alias. Doc.prototype.eachLine = Doc.prototype.iter; - // Set up methods on CodeMirror's prototype to redirect to the editor's document. - var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); - for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments);}; - })(Doc.prototype[prop]); + // Kludge to work around strange IE behavior where it'll sometimes + // re-fire a series of drag-related events right after the drop (#1551) + var lastDrop = 0; - eventMixin(Doc); + function onDrop(e) { + var cm = this; + clearDragCursor(cm); + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) + { return } + e_preventDefault(e); + if (ie) { lastDrop = +new Date; } + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; + if (!pos || cm.isReadOnly()) { return } + // Might be a file drop, in which case we simply extract the text + // and insert it. + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0; + var loadFile = function (file, i) { + if (cm.options.allowDropFileTypes && + indexOf(cm.options.allowDropFileTypes, file.type) == -1) + { return } - // Call f for all linked documents. - function linkedDocs(doc, f, sharedHistOnly) { - function propagate(doc, skip, sharedHist) { - if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i]; - if (rel.doc == skip) continue; - var shared = sharedHist && rel.sharedHist; - if (sharedHistOnly && !shared) continue; - f(rel.doc, shared); - propagate(rel.doc, doc, shared); + var reader = new FileReader; + reader.onload = operation(cm, function () { + var content = reader.result; + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; } + text[i] = content; + if (++read == n) { + pos = clipPos(cm.doc, pos); + var change = {from: pos, to: pos, + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), + origin: "paste"}; + makeChange(cm.doc, change); + setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); + } + }); + reader.readAsText(file); + }; + for (var i = 0; i < n; ++i) { loadFile(files[i], i); } + } else { // Normal drop + // Don't do a replace if the drop happened inside of the selected text. + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { + cm.state.draggingText(e); + // Ensure the editor is re-focused + setTimeout(function () { return cm.display.input.focus(); }, 20); + return + } + try { + var text$1 = e.dataTransfer.getData("Text"); + if (text$1) { + var selected; + if (cm.state.draggingText && !cm.state.draggingText.copy) + { selected = cm.listSelections(); } + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); + if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) + { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } } + cm.replaceSelection(text$1, "around", "paste"); + cm.display.input.focus(); + } } + catch(e){} } - propagate(doc, null, true); } - // Attach a document to an editor. - function attachDoc(cm, doc) { - if (doc.cm) throw new Error("This document is already in use."); - cm.doc = doc; - doc.cm = cm; - estimateLineHeights(cm); - loadMode(cm); - if (!cm.options.lineWrapping) findMaxLine(cm); - cm.options.mode = doc.modeOption; - regChange(cm); - } + function onDragStart(cm, e) { + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } - // LINE UTILITIES + e.dataTransfer.setData("Text", cm.getSelection()); + e.dataTransfer.effectAllowed = "copyMove"; - // Find the line object corresponding to the given line number. - function getLine(doc, n) { - n -= doc.first; - if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document."); - for (var chunk = doc; !chunk.lines;) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break; } - n -= sz; + // Use dummy image instead of default browsers image. + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. + if (e.dataTransfer.setDragImage && !safari) { + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; + if (presto) { + img.width = img.height = 1; + cm.display.wrapper.appendChild(img); + // Force a relayout, or Opera won't use our image for some obscure reason + img._top = img.offsetTop; } + e.dataTransfer.setDragImage(img, 0, 0); + if (presto) { img.parentNode.removeChild(img); } } - return chunk.lines[n]; } - // Get the part of a document between two positions, as an array of - // strings. - function getBetween(doc, start, end) { - var out = [], n = start.line; - doc.iter(start.line, end.line + 1, function(line) { - var text = line.text; - if (n == end.line) text = text.slice(0, end.ch); - if (n == start.line) text = text.slice(start.ch); - out.push(text); - ++n; + function onDragOver(cm, e) { + var pos = posFromMouse(cm, e); + if (!pos) { return } + var frag = document.createDocumentFragment(); + drawSelectionCursor(cm, pos, frag); + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + } + removeChildrenAndAdd(cm.display.dragCursor, frag); + } + + function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor); + cm.display.dragCursor = null; + } + } + + // These must be handled carefully, because naively registering a + // handler for each editor will cause the editors to never be + // garbage collected. + + function forEachCodeMirror(f) { + if (!document.getElementsByClassName) { return } + var byClass = document.getElementsByClassName("CodeMirror"), editors = []; + for (var i = 0; i < byClass.length; i++) { + var cm = byClass[i].CodeMirror; + if (cm) { editors.push(cm); } + } + if (editors.length) { editors[0].operation(function () { + for (var i = 0; i < editors.length; i++) { f(editors[i]); } + }); } + } + + var globalsRegistered = false; + function ensureGlobalHandlers() { + if (globalsRegistered) { return } + registerGlobalHandlers(); + globalsRegistered = true; + } + function registerGlobalHandlers() { + // When the window resizes, we need to refresh active editors. + var resizeTimer; + on(window, "resize", function () { + if (resizeTimer == null) { resizeTimer = setTimeout(function () { + resizeTimer = null; + forEachCodeMirror(onResize); + }, 100); } }); - return out; + // When the window loses focus, we want to show the editor as blurred + on(window, "blur", function () { return forEachCodeMirror(onBlur); }); } - // Get the lines between from and to, as array of strings. - function getLines(doc, from, to) { - var out = []; - doc.iter(from, to, function(line) { out.push(line.text); }); - return out; + // Called when the window resizes + function onResize(cm) { + var d = cm.display; + // Might be a text scaling operation, clear size caches. + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + d.scrollbarsClipped = false; + cm.setSize(); } - // Update the height of a line, propagating the height change - // upwards to parent nodes. - function updateLineHeight(line, height) { - var diff = height - line.height; - if (diff) for (var n = line; n; n = n.parent) n.height += diff; + var keyNames = { + 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", 145: "ScrollLock", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + }; + + // Number keys + for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); } + // Alphabetic keys + for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); } + // Function keys + for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; } + + var keyMap = {}; + + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", + "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", + "Esc": "singleSelection" + }; + // Note that the save and find-related commands aren't defined by + // default. User code or addons can define them. Unknown commands + // are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", + "fallthrough": "basic" + }; + // Very basic readline/emacs-style bindings, which are standard on Mac. + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", + "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", + "Ctrl-O": "openLine" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", + "fallthrough": ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + + // KEYMAP DISPATCH + + function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/); + name = parts[parts.length - 1]; + var alt, ctrl, shift, cmd; + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i]; + if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; } + else if (/^a(lt)?$/i.test(mod)) { alt = true; } + else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; } + else if (/^s(hift)?$/i.test(mod)) { shift = true; } + else { throw new Error("Unrecognized modifier name: " + mod) } + } + if (alt) { name = "Alt-" + name; } + if (ctrl) { name = "Ctrl-" + name; } + if (cmd) { name = "Cmd-" + name; } + if (shift) { name = "Shift-" + name; } + return name } - // Given a line object, find its line number by walking up through - // its parent links. - function lineNo(line) { - if (line.parent == null) return null; - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { - if (chunk.children[i] == cur) break; - no += chunk.children[i].chunkSize(); + // This is a kludge to keep keymaps mostly working as raw objects + // (backwards compatibility) while at the same time support features + // like normalization and multi-stroke key bindings. It compiles a + // new normalized keymap, and then updates the old object to reflect + // this. + function normalizeKeyMap(keymap) { + var copy = {}; + for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } + if (value == "...") { delete keymap[keyname]; continue } + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val = (void 0), name = (void 0); + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) { copy[name] = val; } + else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } + } + delete keymap[keyname]; + } } + for (var prop in copy) { keymap[prop] = copy[prop]; } + return keymap + } + + function lookupKey(key, map$$1, handle, context) { + map$$1 = getKeyMap(map$$1); + var found = map$$1.call ? map$$1.call(key, context) : map$$1[key]; + if (found === false) { return "nothing" } + if (found === "...") { return "multi" } + if (found != null && handle(found)) { return "handled" } + + if (map$$1.fallthrough) { + if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]") + { return lookupKey(key, map$$1.fallthrough, handle, context) } + for (var i = 0; i < map$$1.fallthrough.length; i++) { + var result = lookupKey(key, map$$1.fallthrough[i], handle, context); + if (result) { return result } } } - return no + cur.first; } - // Find the line at the given vertical position, using the height - // information in the document tree. - function lineAtHeight(chunk, h) { - var n = chunk.first; - outer: do { - for (var i = 0; i < chunk.children.length; ++i) { - var child = chunk.children[i], ch = child.height; - if (h < ch) { chunk = child; continue outer; } - h -= ch; - n += child.chunkSize(); + // Modifier key presses don't count as 'real' key presses for the + // purpose of keymap fallthrough. + function isModifierKey(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" + } + + function addModifierNames(name, event, noShift) { + var base = name; + if (event.altKey && base != "Alt") { name = "Alt-" + name; } + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; } + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; } + if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; } + return name + } + + // Look up the name of a key as indicated by an event object. + function keyName(event, noShift) { + if (presto && event.keyCode == 34 && event["char"]) { return false } + var name = keyNames[event.keyCode]; + if (name == null || event.altGraphKey) { return false } + // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause, + // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+) + if (event.keyCode == 3 && event.code) { name = event.code; } + return addModifierNames(name, event, noShift) + } + + function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val + } + + // Helper for deleting text near the selection(s), used to implement + // backspace, delete, and similar functionality. + function deleteNearSelection(cm, compute) { + var ranges = cm.doc.sel.ranges, kill = []; + // Build up a set of ranges to kill first, merging overlapping + // ranges. + for (var i = 0; i < ranges.length; i++) { + var toKill = compute(ranges[i]); + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { + var replaced = kill.pop(); + if (cmp(replaced.from, toKill.from) < 0) { + toKill.from = replaced.from; + break + } } - return n; - } while (!chunk.lines); - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) break; - h -= lh; + kill.push(toKill); } - return n + i; + // Next, remove those actual ranges. + runInOp(cm, function () { + for (var i = kill.length - 1; i >= 0; i--) + { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); } + ensureCursorVisible(cm); + }); } + function moveCharLogically(line, ch, dir) { + var target = skipExtendingChars(line.text, ch + dir, dir); + return target < 0 || target > line.text.length ? null : target + } + + function moveLogically(line, start, dir) { + var ch = moveCharLogically(line, start.ch, dir); + return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before") + } + + function endOfLine(visually, cm, lineObj, lineNo, dir) { + if (visually) { + var order = getOrder(lineObj, cm.doc.direction); + if (order) { + var part = dir < 0 ? lst(order) : order[0]; + var moveInStorageOrder = (dir < 0) == (part.level == 1); + var sticky = moveInStorageOrder ? "after" : "before"; + var ch; + // With a wrapped rtl chunk (possibly spanning multiple bidi parts), + // it could be that the last bidi part is not on the last visual line, + // since visual lines contain content order-consecutive chunks. + // Thus, in rtl, we are looking for the first (content-order) character + // in the rtl chunk that is on the last line (that is, the same line + // as the last (content-order) character). + if (part.level > 0 || cm.doc.direction == "rtl") { + var prep = prepareMeasureForLine(cm, lineObj); + ch = dir < 0 ? lineObj.text.length - 1 : 0; + var targetTop = measureCharPrepared(cm, prep, ch).top; + ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch); + if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); } + } else { ch = dir < 0 ? part.to : part.from; } + return new Pos(lineNo, ch, sticky) + } + } + return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after") + } + + function moveVisually(cm, line, start, dir) { + var bidi = getOrder(line, cm.doc.direction); + if (!bidi) { return moveLogically(line, start, dir) } + if (start.ch >= line.text.length) { + start.ch = line.text.length; + start.sticky = "before"; + } else if (start.ch <= 0) { + start.ch = 0; + start.sticky = "after"; + } + var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]; + if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) { + // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines, + // nothing interesting happens. + return moveLogically(line, start, dir) + } + + var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); }; + var prep; + var getWrappedLineExtent = function (ch) { + if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} } + prep = prep || prepareMeasureForLine(cm, line); + return wrappedLineExtentChar(cm, line, prep, ch) + }; + var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch); - // Find the height above the given line. - function heightAtLine(lineObj) { - lineObj = visualLine(lineObj); + if (cm.doc.direction == "rtl" || part.level == 1) { + var moveInStorageOrder = (part.level == 1) == (dir < 0); + var ch = mv(start, moveInStorageOrder ? 1 : -1); + if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) { + // Case 2: We move within an rtl part or in an rtl editor on the same visual line + var sticky = moveInStorageOrder ? "before" : "after"; + return new Pos(start.line, ch, sticky) + } + } - var h = 0, chunk = lineObj.parent; - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i]; - if (line == lineObj) break; - else h += line.height; + // Case 3: Could not move within this bidi part in this visual line, so leave + // the current bidi part + + var searchInVisualLine = function (partPos, dir, wrappedLineExtent) { + var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder + ? new Pos(start.line, mv(ch, 1), "before") + : new Pos(start.line, ch, "after"); }; + + for (; partPos >= 0 && partPos < bidi.length; partPos += dir) { + var part = bidi[partPos]; + var moveInStorageOrder = (dir > 0) == (part.level != 1); + var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1); + if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) } + ch = moveInStorageOrder ? part.from : mv(part.to, -1); + if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) } + } + }; + + // Case 3a: Look for other bidi parts on the same visual line + var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent); + if (res) { return res } + + // Case 3b: Look for other bidi parts on the next visual line + var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1); + if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) { + res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh)); + if (res) { return res } } - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { - for (var i = 0; i < p.children.length; ++i) { - var cur = p.children[i]; - if (cur == chunk) break; - else h += cur.height; + + // Case 4: Nowhere to move + return null + } + + // Commands are parameter-less actions that can be performed on an + // editor, mostly used for keybindings. + var commands = { + selectAll: selectAll, + singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, + killLine: function (cm) { return deleteNearSelection(cm, function (range) { + if (range.empty()) { + var len = getLine(cm.doc, range.head.line).text.length; + if (range.head.ch == len && range.head.line < cm.lastLine()) + { return {from: range.head, to: Pos(range.head.line + 1, 0)} } + else + { return {from: range.head, to: Pos(range.head.line, len)} } + } else { + return {from: range.from(), to: range.to()} + } + }); }, + deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) + }); }); }, + delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), to: range.from() + }); }); }, + delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var leftPos = cm.coordsChar({left: 0, top: top}, "div"); + return {from: leftPos, to: range.from()} + }); }, + delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + return {from: range.from(), to: rightPos } + }); }, + undo: function (cm) { return cm.undo(); }, + redo: function (cm) { return cm.redo(); }, + undoSelection: function (cm) { return cm.undoSelection(); }, + redoSelection: function (cm) { return cm.redoSelection(); }, + goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, + goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, + goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, + {origin: "+move", bias: 1} + ); }, + goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, + {origin: "+move", bias: 1} + ); }, + goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, + {origin: "+move", bias: -1} + ); }, + goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") + }, sel_move); }, + goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: 0, top: top}, "div") + }, sel_move); }, + goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + var pos = cm.coordsChar({left: 0, top: top}, "div"); + if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } + return pos + }, sel_move); }, + goLineUp: function (cm) { return cm.moveV(-1, "line"); }, + goLineDown: function (cm) { return cm.moveV(1, "line"); }, + goPageUp: function (cm) { return cm.moveV(-1, "page"); }, + goPageDown: function (cm) { return cm.moveV(1, "page"); }, + goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, + goCharRight: function (cm) { return cm.moveH(1, "char"); }, + goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, + goColumnRight: function (cm) { return cm.moveH(1, "column"); }, + goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, + goGroupRight: function (cm) { return cm.moveH(1, "group"); }, + goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, + goWordRight: function (cm) { return cm.moveH(1, "word"); }, + delCharBefore: function (cm) { return cm.deleteH(-1, "char"); }, + delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, + delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, + delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, + delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, + delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, + indentAuto: function (cm) { return cm.indentSelection("smart"); }, + indentMore: function (cm) { return cm.indentSelection("add"); }, + indentLess: function (cm) { return cm.indentSelection("subtract"); }, + insertTab: function (cm) { return cm.replaceSelection("\t"); }, + insertSoftTab: function (cm) { + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].from(); + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); + spaces.push(spaceStr(tabSize - col % tabSize)); } + cm.replaceSelections(spaces); + }, + defaultTab: function (cm) { + if (cm.somethingSelected()) { cm.indentSelection("add"); } + else { cm.execCommand("insertTab"); } + }, + // Swap the two chars left and right of each selection's head. + // Move cursor behind the two swapped characters afterwards. + // + // Doesn't consider line feeds a character. + // Doesn't scan more than one line above to find a character. + // Doesn't do anything on an empty line. + // Doesn't do anything with non-empty selections. + transposeChars: function (cm) { return runInOp(cm, function () { + var ranges = cm.listSelections(), newSel = []; + for (var i = 0; i < ranges.length; i++) { + if (!ranges[i].empty()) { continue } + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; + if (line) { + if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); } + if (cur.ch > 0) { + cur = new Pos(cur.line, cur.ch + 1); + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), cur, "+transpose"); + } else if (cur.line > cm.doc.first) { + var prev = getLine(cm.doc, cur.line - 1).text; + if (prev) { + cur = new Pos(cur.line, 1); + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), cur, "+transpose"); + } + } + } + newSel.push(new Range(cur, cur)); + } + cm.setSelections(newSel); + }); }, + newlineAndIndent: function (cm) { return runInOp(cm, function () { + var sels = cm.listSelections(); + for (var i = sels.length - 1; i >= 0; i--) + { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); } + sels = cm.listSelections(); + for (var i$1 = 0; i$1 < sels.length; i$1++) + { cm.indentLine(sels[i$1].from().line, null, true); } + ensureCursorVisible(cm); + }); }, + openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, + toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } + }; + + + function lineStart(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLine(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, visual, lineN, 1) + } + function lineEnd(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLineEnd(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, line, lineN, -1) + } + function lineStartSmart(cm, pos) { + var start = lineStart(cm, pos.line); + var line = getLine(cm.doc, start.line); + var order = getOrder(line, cm.doc.direction); + if (!order || order[0].level == 0) { + var firstNonWS = Math.max(0, line.text.search(/\S/)); + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; + return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky) } - return h; + return start } - // Get the bidi ordering for the given line (and cache it). Returns - // false for lines that are fully left-to-right, and an array of - // BidiSpan objects otherwise. - function getOrder(line) { - var order = line.order; - if (order == null) order = line.order = bidiOrdering(line.text); - return order; + // Run a handler that was bound to a key. + function doHandleBinding(cm, bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) { return false } + } + // Ensure previous input has been read, so that the handler sees a + // consistent view of the document + cm.display.input.ensurePolled(); + var prevShift = cm.display.shift, done = false; + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true; } + if (dropShift) { cm.display.shift = false; } + done = bound(cm) != Pass; + } finally { + cm.display.shift = prevShift; + cm.state.suppressEdits = false; + } + return done + } + + function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); + if (result) { return result } + } + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm) } - // HISTORY + // Note that, despite the name, this function is also used to check + // for bound mouse clicks. - function History(startGen) { - // Arrays of change events and selections. Doing something adds an - // event to done and clears undo. Undoing moves events from done - // to undone, redoing moves them in the other direction. - this.done = []; this.undone = []; - this.undoDepth = Infinity; - // Used to track when changes can be merged into a single undo - // event - this.lastModTime = this.lastSelTime = 0; - this.lastOp = this.lastSelOp = null; - this.lastOrigin = this.lastSelOrigin = null; - // Used by the isClean() method - this.generation = this.maxGeneration = startGen || 1; + var stopSeq = new Delayed; + + function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq; + if (seq) { + if (isModifierKey(name)) { return "handled" } + if (/\'$/.test(name)) + { cm.state.keySeq = null; } + else + { stopSeq.set(50, function () { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null; + cm.display.input.reset(); + } + }); } + if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true } + } + return dispatchKeyInner(cm, name, e, handle) } - // Create a history change event from an updateDoc-style change - // object. - function historyChangeFromChange(doc, change) { - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); - linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); - return histChange; + function dispatchKeyInner(cm, name, e, handle) { + var result = lookupKeyForEditor(cm, name, handle); + + if (result == "multi") + { cm.state.keySeq = name; } + if (result == "handled") + { signalLater(cm, "keyHandled", cm, name, e); } + + if (result == "handled" || result == "multi") { + e_preventDefault(e); + restartBlink(cm); + } + + return !!result } - // Pop all selection events off the end of a history array. Stop at - // a change event. - function clearSelectionEvents(array) { - while (array.length) { - var last = lst(array); - if (last.ranges) array.pop(); - else break; + // Handle a key from the keydown event. + function handleKeyBinding(cm, e) { + var name = keyName(e, true); + if (!name) { return false } + + if (e.shiftKey && !cm.state.keySeq) { + // First try to resolve full name (including 'Shift-'). Failing + // that, see if there is a cursor-motion command (starting with + // 'go') bound to the keyname without 'Shift-'. + return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) + || dispatchKey(cm, name, e, function (b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + { return doHandleBinding(cm, b) } + }) + } else { + return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) } } - // Find the top change event in the history. Pop off selection - // events that are in the way. - function lastChangeEvent(hist, force) { - if (force) { - clearSelectionEvents(hist.done); - return lst(hist.done); - } else if (hist.done.length && !lst(hist.done).ranges) { - return lst(hist.done); - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { - hist.done.pop(); - return lst(hist.done); + // Handle a key from the keypress event + function handleCharBinding(cm, e, ch) { + return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) + } + + var lastStoppedKey = null; + function onKeyDown(e) { + var cm = this; + cm.curOp.focus = activeElt(); + if (signalDOMEvent(cm, e)) { return } + // IE does strange things with escape. + if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; } + var code = e.keyCode; + cm.display.shift = code == 16 || e.shiftKey; + var handled = handleKeyBinding(cm, e); + if (presto) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + { cm.replaceSelection("", null, "cut"); } } + + // Turn mouse into crosshair when Alt is held on Mac. + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + { showCrossHair(cm); } } - // Register a change in the history. Merges changes that are within - // a single operation, ore are close together with an origin that - // allows merging (starting with "+") into a single event. - function addChangeToHistory(doc, change, selAfter, opId) { - var hist = doc.history; - hist.undone.length = 0; - var time = +new Date, cur; + function showCrossHair(cm) { + var lineDiv = cm.display.lineDiv; + addClass(lineDiv, "CodeMirror-crosshair"); - if ((hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || - change.origin.charAt(0) == "*")) && - (cur = lastChangeEvent(hist, hist.lastOp == opId))) { - // Merge this change into the last event - var last = lst(cur.changes); - if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { - // Optimized case for simple insertion -- don't want to add - // new changesets for every character typed - last.to = changeEnd(change); - } else { - // Add new sub-event - cur.changes.push(historyChangeFromChange(doc, change)); - } - } else { - // Can not be merged, start a new event. - var before = lst(hist.done); - if (!before || !before.ranges) - pushSelectionToHistory(doc.sel, hist.done); - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation}; - hist.done.push(cur); - while (hist.done.length > hist.undoDepth) { - hist.done.shift(); - if (!hist.done[0].ranges) hist.done.shift(); + function up(e) { + if (e.keyCode == 18 || !e.altKey) { + rmClass(lineDiv, "CodeMirror-crosshair"); + off(document, "keyup", up); + off(document, "mouseover", up); } } - hist.done.push(selAfter); - hist.generation = ++hist.maxGeneration; - hist.lastModTime = hist.lastSelTime = time; - hist.lastOp = hist.lastSelOp = opId; - hist.lastOrigin = hist.lastSelOrigin = change.origin; + on(document, "keyup", up); + on(document, "mouseover", up); + } - if (!last) signal(doc, "historyAdded"); + function onKeyUp(e) { + if (e.keyCode == 16) { this.doc.sel.shift = false; } + signalDOMEvent(this, e); } - function selectionEventCanBeMerged(doc, origin, prev, sel) { - var ch = origin.charAt(0); - return ch == "*" || - ch == "+" && - prev.ranges.length == sel.ranges.length && - prev.somethingSelected() == sel.somethingSelected() && - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500); + function onKeyPress(e) { + var cm = this; + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } + var keyCode = e.keyCode, charCode = e.charCode; + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + // Some browsers fire keypress events for backspace + if (ch == "\x08") { return } + if (handleCharBinding(cm, e, ch)) { return } + cm.display.input.onKeyPress(e); } - // Called whenever the selection changes, sets the new selection as - // the pending selection in the history, and pushes the old pending - // selection into the 'done' array when it was significantly - // different (in number of selected ranges, emptiness, or time). - function addSelectionToHistory(doc, sel, opId, options) { - var hist = doc.history, origin = options && options.origin; + var DOUBLECLICK_DELAY = 400; - // A new event is started when the previous origin does not match - // the current, or the origins don't allow matching. Origins - // starting with * are always merged, those starting with + are - // merged when similar and close together in time. - if (opId == hist.lastSelOp || - (origin && hist.lastSelOrigin == origin && - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) - hist.done[hist.done.length - 1] = sel; - else - pushSelectionToHistory(sel, hist.done); + var PastClick = function(time, pos, button) { + this.time = time; + this.pos = pos; + this.button = button; + }; - hist.lastSelTime = +new Date; - hist.lastSelOrigin = origin; - hist.lastSelOp = opId; - if (options && options.clearRedo !== false) - clearSelectionEvents(hist.undone); + PastClick.prototype.compare = function (time, pos, button) { + return this.time + DOUBLECLICK_DELAY > time && + cmp(pos, this.pos) == 0 && button == this.button + }; + + var lastClick, lastDoubleClick; + function clickRepeat(pos, button) { + var now = +new Date; + if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) { + lastClick = lastDoubleClick = null; + return "triple" + } else if (lastClick && lastClick.compare(now, pos, button)) { + lastDoubleClick = new PastClick(now, pos, button); + lastClick = null; + return "double" + } else { + lastClick = new PastClick(now, pos, button); + lastDoubleClick = null; + return "single" + } } - function pushSelectionToHistory(sel, dest) { - var top = lst(dest); - if (!(top && top.ranges && top.equals(sel))) - dest.push(sel); + // A mouse down can be a single click, double click, triple click, + // start of selection drag, start of text drag, new cursor + // (ctrl-click), rectangle drag (alt-drag), or xwin + // middle-click-paste. Or it might be a click on something we should + // not interfere with, such as a scrollbar or widget. + function onMouseDown(e) { + var cm = this, display = cm.display; + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } + display.input.ensurePolled(); + display.shift = e.shiftKey; + + if (eventInWidget(display, e)) { + if (!webkit) { + // Briefly turn off draggability, to allow widgets to do + // normal dragging things. + display.scroller.draggable = false; + setTimeout(function () { return display.scroller.draggable = true; }, 100); + } + return + } + if (clickInGutter(cm, e)) { return } + var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single"; + window.focus(); + + // #3261: make sure, that we're not starting a second selection + if (button == 1 && cm.state.selectingText) + { cm.state.selectingText(e); } + + if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return } + + if (button == 1) { + if (pos) { leftButtonDown(cm, pos, repeat, e); } + else if (e_target(e) == display.scroller) { e_preventDefault(e); } + } else if (button == 2) { + if (pos) { extendSelection(cm.doc, pos); } + setTimeout(function () { return display.input.focus(); }, 20); + } else if (button == 3) { + if (captureRightClick) { cm.display.input.onContextMenu(e); } + else { delayBlurEvent(cm); } + } } - // Used to store marked span information in the history. - function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0; - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { - if (line.markedSpans) - (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; - ++n; - }); + function handleMappedButton(cm, button, pos, repeat, event) { + var name = "Click"; + if (repeat == "double") { name = "Double" + name; } + else if (repeat == "triple") { name = "Triple" + name; } + name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name; + + return dispatchKey(cm, addModifierNames(name, event), event, function (bound) { + if (typeof bound == "string") { bound = commands[bound]; } + if (!bound) { return false } + var done = false; + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true; } + done = bound(cm, pos) != Pass; + } finally { + cm.state.suppressEdits = false; + } + return done + }) } - // When un/re-doing restores text containing marked spans, those - // that have been explicitly cleared should not be restored. - function removeClearedSpans(spans) { - if (!spans) return null; - for (var i = 0, out; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } - else if (out) out.push(spans[i]); + function configureMouse(cm, repeat, event) { + var option = cm.getOption("configureMouse"); + var value = option ? option(cm, repeat, event) : {}; + if (value.unit == null) { + var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey; + value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line"; } - return !out ? spans : out.length ? out : null; + if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; } + if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; } + if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); } + return value } - // Retrieve and filter the old marked spans stored in a change event. - function getOldSpans(doc, change) { - var found = change["spans_" + doc.id]; - if (!found) return null; - for (var i = 0, nw = []; i < change.text.length; ++i) - nw.push(removeClearedSpans(found[i])); - return nw; + function leftButtonDown(cm, pos, repeat, event) { + if (ie) { setTimeout(bind(ensureFocus, cm), 0); } + else { cm.curOp.focus = activeElt(); } + + var behavior = configureMouse(cm, repeat, event); + + var sel = cm.doc.sel, contained; + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && + repeat == "single" && (contained = sel.contains(pos)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) && + (cmp(contained.to(), pos) > 0 || pos.xRel < 0)) + { leftButtonStartDrag(cm, event, pos, behavior); } + else + { leftButtonSelect(cm, event, pos, behavior); } } - // Used both to provide a JSON-safe object in .getHistory, and, when - // detaching a document, to split the history in two - function copyHistoryArray(events, newGroup, instantiateSel) { - for (var i = 0, copy = []; i < events.length; ++i) { - var event = events[i]; - if (event.ranges) { - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); - continue; - } - var changes = event.changes, newChanges = []; - copy.push({changes: newChanges}); - for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m; - newChanges.push({from: change.from, to: change.to, text: change.text}); - if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop]; - delete change[prop]; - } - } + // Start a text drag. When it ends, see if any dragging actually + // happen, and treat as a click if it didn't. + function leftButtonStartDrag(cm, event, pos, behavior) { + var display = cm.display, moved = false; + var dragEnd = operation(cm, function (e) { + if (webkit) { display.scroller.draggable = false; } + cm.state.draggingText = false; + off(display.wrapper.ownerDocument, "mouseup", dragEnd); + off(display.wrapper.ownerDocument, "mousemove", mouseMove); + off(display.scroller, "dragstart", dragStart); + off(display.scroller, "drop", dragEnd); + if (!moved) { + e_preventDefault(e); + if (!behavior.addNew) + { extendSelection(cm.doc, pos, null, null, behavior.extend); } + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if (webkit || ie && ie_version == 9) + { setTimeout(function () {display.wrapper.ownerDocument.body.focus(); display.input.focus();}, 20); } + else + { display.input.focus(); } } - } - return copy; + }); + var mouseMove = function(e2) { + moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10; + }; + var dragStart = function () { return moved = true; }; + // Let the drag handler handle this. + if (webkit) { display.scroller.draggable = true; } + cm.state.draggingText = dragEnd; + dragEnd.copy = !behavior.moveOnDrag; + // IE's approach to draggable + if (display.scroller.dragDrop) { display.scroller.dragDrop(); } + on(display.wrapper.ownerDocument, "mouseup", dragEnd); + on(display.wrapper.ownerDocument, "mousemove", mouseMove); + on(display.scroller, "dragstart", dragStart); + on(display.scroller, "drop", dragEnd); + + delayBlurEvent(cm); + setTimeout(function () { return display.input.focus(); }, 20); } - // Rebasing/resetting history to deal with externally-sourced changes + function rangeForUnit(cm, pos, unit) { + if (unit == "char") { return new Range(pos, pos) } + if (unit == "word") { return cm.findWordAt(pos) } + if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } + var result = unit(cm, pos); + return new Range(result.from, result.to) + } - function rebaseHistSelSingle(pos, from, to, diff) { - if (to < pos.line) { - pos.line += diff; - } else if (from < pos.line) { - pos.line = from; - pos.ch = 0; + // Normal selection, as opposed to text dragging. + function leftButtonSelect(cm, event, start, behavior) { + var display = cm.display, doc = cm.doc; + e_preventDefault(event); + + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; + if (behavior.addNew && !behavior.extend) { + ourIndex = doc.sel.contains(start); + if (ourIndex > -1) + { ourRange = ranges[ourIndex]; } + else + { ourRange = new Range(start, start); } + } else { + ourRange = doc.sel.primary(); + ourIndex = doc.sel.primIndex; } - } - // Tries to rebase an array of history events given a change in the - // document. If the change touches the same lines as the event, the - // event, and everything 'behind' it, is discarded. If the change is - // before the event, the event's positions are updated. Uses a - // copy-on-write scheme for the positions, to avoid having to - // reallocate them all on every rebase, but also avoid problems with - // shared position objects being unsafely updated. - function rebaseHistArray(array, from, to, diff) { - for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true; - if (sub.ranges) { - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } - for (var j = 0; j < sub.ranges.length; j++) { - rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); - rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); + if (behavior.unit == "rectangle") { + if (!behavior.addNew) { ourRange = new Range(start, start); } + start = posFromMouse(cm, event, true, true); + ourIndex = -1; + } else { + var range$$1 = rangeForUnit(cm, start, behavior.unit); + if (behavior.extend) + { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); } + else + { ourRange = range$$1; } + } + + if (!behavior.addNew) { + ourIndex = 0; + setSelection(doc, new Selection([ourRange], 0), sel_mouse); + startSel = doc.sel; + } else if (ourIndex == -1) { + ourIndex = ranges.length; + setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex), + {scroll: false, origin: "*mouse"}); + } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) { + setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}); + startSel = doc.sel; + } else { + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); + } + + var lastPos = start; + function extendTo(pos) { + if (cmp(lastPos, pos) == 0) { return } + lastPos = pos; + + if (behavior.unit == "rectangle") { + var ranges = [], tabSize = cm.options.tabSize; + var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); + var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; line++) { + var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); + if (left == right) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); } + else if (text.length > leftPos) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); } } - continue; - } - for (var j = 0; j < sub.changes.length; ++j) { - var cur = sub.changes[j]; - if (to < cur.from.line) { - cur.from = Pos(cur.from.line + diff, cur.from.ch); - cur.to = Pos(cur.to.line + diff, cur.to.ch); - } else if (from <= cur.to.line) { - ok = false; - break; + if (!ranges.length) { ranges.push(new Range(start, start)); } + setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), + {origin: "*mouse", scroll: false}); + cm.scrollIntoView(pos); + } else { + var oldRange = ourRange; + var range$$1 = rangeForUnit(cm, pos, behavior.unit); + var anchor = oldRange.anchor, head; + if (cmp(range$$1.anchor, anchor) > 0) { + head = range$$1.head; + anchor = minPos(oldRange.from(), range$$1.anchor); + } else { + head = range$$1.anchor; + anchor = maxPos(oldRange.to(), range$$1.head); } + var ranges$1 = startSel.ranges.slice(0); + ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head)); + setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse); } - if (!ok) { - array.splice(0, i + 1); - i = 0; + } + + var editorSize = display.wrapper.getBoundingClientRect(); + // Used to ensure timeout re-tries don't fire when another extend + // happened in the meantime (clearTimeout isn't reliable -- at + // least on Chrome, the timeouts still happen even when cleared, + // if the clear happens after their scheduled firing time). + var counter = 0; + + function extend(e) { + var curCount = ++counter; + var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle"); + if (!cur) { return } + if (cmp(cur, lastPos) != 0) { + cm.curOp.focus = activeElt(); + extendTo(cur); + var visible = visibleLines(display, doc); + if (cur.line >= visible.to || cur.line < visible.from) + { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); } + } else { + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; + if (outside) { setTimeout(operation(cm, function () { + if (counter != curCount) { return } + display.scroller.scrollTop += outside; + extend(e); + }), 50); } } } - } - function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; - rebaseHistArray(hist.done, from, to, diff); - rebaseHistArray(hist.undone, from, to, diff); + function done(e) { + cm.state.selectingText = false; + counter = Infinity; + e_preventDefault(e); + display.input.focus(); + off(display.wrapper.ownerDocument, "mousemove", move); + off(display.wrapper.ownerDocument, "mouseup", up); + doc.history.lastSelOrigin = null; + } + + var move = operation(cm, function (e) { + if (e.buttons === 0 || !e_button(e)) { done(e); } + else { extend(e); } + }); + var up = operation(cm, done); + cm.state.selectingText = up; + on(display.wrapper.ownerDocument, "mousemove", move); + on(display.wrapper.ownerDocument, "mouseup", up); + } + + // Used when mouse-selecting to adjust the anchor to the proper side + // of a bidi jump depending on the visual position of the head. + function bidiSimplify(cm, range$$1) { + var anchor = range$$1.anchor; + var head = range$$1.head; + var anchorLine = getLine(cm.doc, anchor.line); + if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 } + var order = getOrder(anchorLine); + if (!order) { return range$$1 } + var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index]; + if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 } + var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1); + if (boundary == 0 || boundary == order.length) { return range$$1 } + + // Compute the relative visual position of the head compared to the + // anchor (<0 is to the left, >0 to the right) + var leftSide; + if (head.line != anchor.line) { + leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0; + } else { + var headIndex = getBidiPartAt(order, head.ch, head.sticky); + var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1); + if (headIndex == boundary - 1 || headIndex == boundary) + { leftSide = dir < 0; } + else + { leftSide = dir > 0; } + } + + var usePart = order[boundary + (leftSide ? -1 : 0)]; + var from = leftSide == (usePart.level == 1); + var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before"; + return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head) } - // EVENT UTILITIES - // Due to the fact that we still support jurassic IE versions, some - // compatibility wrappers are needed. + // Determines whether an event happened in the gutter, and fires the + // handlers for the corresponding event. + function gutterEvent(cm, e, type, prevent) { + var mX, mY; + if (e.touches) { + mX = e.touches[0].clientX; + mY = e.touches[0].clientY; + } else { + try { mX = e.clientX; mY = e.clientY; } + catch(e) { return false } + } + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } + if (prevent) { e_preventDefault(e); } - var e_preventDefault = CodeMirror.e_preventDefault = function(e) { - if (e.preventDefault) e.preventDefault(); - else e.returnValue = false; - }; - var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) { - if (e.stopPropagation) e.stopPropagation(); - else e.cancelBubble = true; - }; - function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; - } - var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);}; + var display = cm.display; + var lineBox = display.lineDiv.getBoundingClientRect(); - function e_target(e) {return e.target || e.srcElement;} - function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) b = 1; - else if (e.button & 2) b = 3; - else if (e.button & 4) b = 2; + if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } + mY -= lineBox.top - display.viewOffset; + + for (var i = 0; i < cm.options.gutters.length; ++i) { + var g = display.gutters.childNodes[i]; + if (g && g.getBoundingClientRect().right >= mX) { + var line = lineAtHeight(cm.doc, mY); + var gutter = cm.options.gutters[i]; + signal(cm, type, cm, line, gutter, e); + return e_defaultPrevented(e) + } } - if (mac && e.ctrlKey && b == 1) b = 3; - return b; } - // EVENT HANDLING + function clickInGutter(cm, e) { + return gutterEvent(cm, e, "gutterClick", true) + } - // Lightweight event framework. on/off also work on DOM nodes, - // registering native DOM handlers. + // CONTEXT MENU HANDLING - var on = CodeMirror.on = function(emitter, type, f) { - if (emitter.addEventListener) - emitter.addEventListener(type, f, false); - else if (emitter.attachEvent) - emitter.attachEvent("on" + type, f); - else { - var map = emitter._handlers || (emitter._handlers = {}); - var arr = map[type] || (map[type] = []); - arr.push(f); - } - }; + // To make the context menu work, we need to briefly unhide the + // textarea (making it as unobtrusive as possible) to let the + // right-click take effect on it. + function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } + if (signalDOMEvent(cm, e, "contextmenu")) { return } + if (!captureRightClick) { cm.display.input.onContextMenu(e); } + } - var noHandlers = [] - function getHandlers(emitter, type, copy) { - var arr = emitter._handlers && emitter._handlers[type] - if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers - else return arr || noHandlers + function contextMenuInGutter(cm, e) { + if (!hasHandler(cm, "gutterContextMenu")) { return false } + return gutterEvent(cm, e, "gutterContextMenu", false) } - var off = CodeMirror.off = function(emitter, type, f) { - if (emitter.removeEventListener) - emitter.removeEventListener(type, f, false); - else if (emitter.detachEvent) - emitter.detachEvent("on" + type, f); - else { - var handlers = getHandlers(emitter, type, false) - for (var i = 0; i < handlers.length; ++i) - if (handlers[i] == f) { handlers.splice(i, 1); break; } - } - }; + function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + clearCaches(cm); + } - var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { - var handlers = getHandlers(emitter, type, true) - if (!handlers.length) return; - var args = Array.prototype.slice.call(arguments, 2); - for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args); - }; + var Init = {toString: function(){return "CodeMirror.Init"}}; - var orphanDelayedCallbacks = null; + var defaults = {}; + var optionHandlers = {}; - // Often, we want to signal events at a point where we are in the - // middle of some work, but don't want the handler to start calling - // other methods on the editor, which might be in an inconsistent - // state or simply not expect any other events to happen. - // signalLater looks whether there are any handlers, and schedules - // them to be executed when the last operation ends, or, if no - // operation is active, when a timeout fires. - function signalLater(emitter, type /*, values...*/) { - var arr = getHandlers(emitter, type, false) - if (!arr.length) return; - var args = Array.prototype.slice.call(arguments, 2), list; - if (operationGroup) { - list = operationGroup.delayedCallbacks; - } else if (orphanDelayedCallbacks) { - list = orphanDelayedCallbacks; - } else { - list = orphanDelayedCallbacks = []; - setTimeout(fireOrphanDelayed, 0); + function defineOptions(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; + + function option(name, deflt, handle, notOnInit) { + CodeMirror.defaults[name] = deflt; + if (handle) { optionHandlers[name] = + notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; } } - function bnd(f) {return function(){f.apply(null, args);};}; - for (var i = 0; i < arr.length; ++i) - list.push(bnd(arr[i])); - } - function fireOrphanDelayed() { - var delayed = orphanDelayedCallbacks; - orphanDelayedCallbacks = null; - for (var i = 0; i < delayed.length; ++i) delayed[i](); + CodeMirror.defineOption = option; + + // Passed to option handlers when there is no old value. + CodeMirror.Init = Init; + + // These two are, on init, called from the constructor because they + // have to be initialized before the editor can start at all. + option("value", "", function (cm, val) { return cm.setValue(val); }, true); + option("mode", null, function (cm, val) { + cm.doc.modeOption = val; + loadMode(cm); + }, true); + + option("indentUnit", 2, loadMode, true); + option("indentWithTabs", false); + option("smartIndent", true); + option("tabSize", 4, function (cm) { + resetModeState(cm); + clearCaches(cm); + regChange(cm); + }, true); + + option("lineSeparator", null, function (cm, val) { + cm.doc.lineSep = val; + if (!val) { return } + var newBreaks = [], lineNo = cm.doc.first; + cm.doc.iter(function (line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos); + if (found == -1) { break } + pos = found + val.length; + newBreaks.push(Pos(lineNo, found)); + } + lineNo++; + }); + for (var i = newBreaks.length - 1; i >= 0; i--) + { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); } + }); + option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); + if (old != Init) { cm.refresh(); } + }); + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true); + option("electricChars", true); + option("inputStyle", mobile ? "contenteditable" : "textarea", function () { + throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME + }, true); + option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true); + option("rtlMoveVisually", !windows); + option("wholeLineUpdateBefore", true); + + option("theme", "default", function (cm) { + themeChanged(cm); + guttersChanged(cm); + }, true); + option("keyMap", "default", function (cm, val, old) { + var next = getKeyMap(val); + var prev = old != Init && getKeyMap(old); + if (prev && prev.detach) { prev.detach(cm, next); } + if (next.attach) { next.attach(cm, prev || null); } + }); + option("extraKeys", null); + option("configureMouse", null); + + option("lineWrapping", false, wrappingChanged, true); + option("gutters", [], function (cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("fixedGutter", true, function (cm, val) { + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; + cm.refresh(); + }, true); + option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true); + option("scrollbarStyle", "native", function (cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, true); + option("lineNumbers", false, function (cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("firstLineNumber", 1, guttersChanged, true); + option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true); + option("showCursorWhenSelecting", false, updateSelection, true); + + option("resetSelectionOnContextMenu", true); + option("lineWiseCopyCut", true); + option("pasteLinesPerSelection", true); + option("selectionsMayTouch", false); + + option("readOnly", false, function (cm, val) { + if (val == "nocursor") { + onBlur(cm); + cm.display.input.blur(); + } + cm.display.input.readOnlyChanged(val); + }); + option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true); + option("dragDrop", true, dragDropChanged); + option("allowDropFileTypes", null); + + option("cursorBlinkRate", 530); + option("cursorScrollMargin", 0); + option("cursorHeight", 1, updateSelection, true); + option("singleCursorHeightPerLine", true, updateSelection, true); + option("workTime", 100); + option("workDelay", 100); + option("flattenSpans", true, resetModeState, true); + option("addModeClass", false, resetModeState, true); + option("pollInterval", 100); + option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }); + option("historyEventDelay", 1250); + option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true); + option("maxHighlightLength", 10000, resetModeState, true); + option("moveInputWithCursor", true, function (cm, val) { + if (!val) { cm.display.input.resetPosition(); } + }); + + option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }); + option("autofocus", null); + option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true); + option("phrases", null); } - // The DOM events that CodeMirror handles can be overridden by - // registering a (non-DOM) handler on the editor for the event name, - // and preventDefault-ing the event in that handler. - function signalDOMEvent(cm, e, override) { - if (typeof e == "string") - e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; - signal(cm, override || e.type, cm, e); - return e_defaultPrevented(e) || e.codemirrorIgnore; + function guttersChanged(cm) { + updateGutters(cm); + regChange(cm); + alignHorizontally(cm); } - function signalCursorActivity(cm) { - var arr = cm._handlers && cm._handlers.cursorActivity; - if (!arr) return; - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); - for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1) - set.push(arr[i]); + function dragDropChanged(cm, value, old) { + var wasOn = old && old != Init; + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions; + var toggle = value ? on : off; + toggle(cm.display.scroller, "dragstart", funcs.start); + toggle(cm.display.scroller, "dragenter", funcs.enter); + toggle(cm.display.scroller, "dragover", funcs.over); + toggle(cm.display.scroller, "dragleave", funcs.leave); + toggle(cm.display.scroller, "drop", funcs.drop); + } } - function hasHandler(emitter, type) { - return getHandlers(emitter, type).length > 0 + function wrappingChanged(cm) { + if (cm.options.lineWrapping) { + addClass(cm.display.wrapper, "CodeMirror-wrap"); + cm.display.sizer.style.minWidth = ""; + cm.display.sizerWidth = null; + } else { + rmClass(cm.display.wrapper, "CodeMirror-wrap"); + findMaxLine(cm); + } + estimateLineHeights(cm); + regChange(cm); + clearCaches(cm); + setTimeout(function () { return updateScrollbars(cm); }, 100); } - // Add on and off methods to a constructor's prototype, to make - // registering events on such objects more convenient. - function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f);}; - ctor.prototype.off = function(type, f) {off(this, type, f);}; + // A CodeMirror instance represents an editor. This is the object + // that user code is usually dealing with. + + function CodeMirror(place, options) { + var this$1 = this; + + if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } + + this.options = options = options ? copyObj(options) : {}; + // Determine effective options based on given values and defaults. + copyObj(defaults, options, false); + setGuttersForLineNumbers(options); + + var doc = options.value; + if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); } + else if (options.mode) { doc.modeOption = options.mode; } + this.doc = doc; + + var input = new CodeMirror.inputStyles[options.inputStyle](this); + var display = this.display = new Display(place, doc, input); + display.wrapper.CodeMirror = this; + updateGutters(this); + themeChanged(this); + if (options.lineWrapping) + { this.display.wrapper.className += " CodeMirror-wrap"; } + initScrollbars(this); + + this.state = { + keyMaps: [], // stores maps added by addKeyMap + overlays: [], // highlighting overlays, as added by addOverlay + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + overwrite: false, + delayingBlurEvent: false, + focused: false, + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode + pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll + selectingText: false, + draggingText: false, + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null + }; + + if (options.autofocus && !mobile) { display.input.focus(); } + + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); } + + registerEventHandlers(this); + ensureGlobalHandlers(); + + startOperation(this); + this.curOp.forceUpdate = true; + attachDoc(this, doc); + + if ((options.autofocus && !mobile) || this.hasFocus()) + { setTimeout(bind(onFocus, this), 20); } + else + { onBlur(this); } + + for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) + { optionHandlers[opt](this$1, options[opt], Init); } } + maybeUpdateLineNumberWidth(this); + if (options.finishInit) { options.finishInit(this); } + for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); } + endOperation(this); + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + { display.lineDiv.style.textRendering = "auto"; } } - // MISC UTILITIES + // The default configuration options. + CodeMirror.defaults = defaults; + // Functions to run when options are changed. + CodeMirror.optionHandlers = optionHandlers; - // Number of pixels added to scroller and sizer to hide scrollbar - var scrollerGap = 30; + // Attach the necessary event handlers when initializing the editor + function registerEventHandlers(cm) { + var d = cm.display; + on(d.scroller, "mousedown", operation(cm, onMouseDown)); + // Older IE's will not fire a second mousedown for a double click + if (ie && ie_version < 11) + { on(d.scroller, "dblclick", operation(cm, function (e) { + if (signalDOMEvent(cm, e)) { return } + var pos = posFromMouse(cm, e); + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } + e_preventDefault(e); + var word = cm.findWordAt(pos); + extendSelection(cm.doc, word.anchor, word.head); + })); } + else + { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); } + // Some browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for these browsers. + on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); - // Returned or thrown by various protocols to signal 'I'm not - // handling this'. - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0}; + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000); + prevTouch = d.activeTouch; + prevTouch.end = +new Date; + } + } + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) { return false } + var touch = e.touches[0]; + return touch.radiusX <= 1 && touch.radiusY <= 1 + } + function farAway(touch, other) { + if (other.left == null) { return true } + var dx = other.left - touch.left, dy = other.top - touch.top; + return dx * dx + dy * dy > 20 * 20 + } + on(d.scroller, "touchstart", function (e) { + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) { + d.input.ensurePolled(); + clearTimeout(touchFinished); + var now = +new Date; + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null}; + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX; + d.activeTouch.top = e.touches[0].pageY; + } + } + }); + on(d.scroller, "touchmove", function () { + if (d.activeTouch) { d.activeTouch.moved = true; } + }); + on(d.scroller, "touchend", function (e) { + var touch = d.activeTouch; + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range; + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + { range = new Range(pos, pos); } + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + { range = cm.findWordAt(pos); } + else // Triple tap + { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); } + cm.setSelection(range.anchor, range.head); + cm.focus(); + e_preventDefault(e); + } + finishTouch(); + }); + on(d.scroller, "touchcancel", finishTouch); - // Reused option objects for setSelection & friends - var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + // Sync scrolling between fake scrollbars and real scrollable + // area, ensure viewport is updated when scrolling. + on(d.scroller, "scroll", function () { + if (d.scroller.clientHeight) { + updateScrollTop(cm, d.scroller.scrollTop); + setScrollLeft(cm, d.scroller.scrollLeft, true); + signal(cm, "scroll", cm); + } + }); - function Delayed() {this.id = null;} - Delayed.prototype.set = function(ms, f) { - clearTimeout(this.id); - this.id = setTimeout(f, ms); - }; + // Listen to wheel events in order to try and update the viewport on time. + on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }); + on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }); - // Counts the column offset in a string, taking tabs into account. - // Used mostly to find indentation. - var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) end = string.length; + // Prevent wrapper from ever scrolling + on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + + d.dragFunctions = { + enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }}, + over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, + start: function (e) { return onDragStart(cm, e); }, + drop: operation(cm, onDrop), + leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} + }; + + var inp = d.input.getField(); + on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }); + on(inp, "keydown", operation(cm, onKeyDown)); + on(inp, "keypress", operation(cm, onKeyPress)); + on(inp, "focus", function (e) { return onFocus(cm, e); }); + on(inp, "blur", function (e) { return onBlur(cm, e); }); + } + + var initHooks = []; + CodeMirror.defineInitHook = function (f) { return initHooks.push(f); }; + + // Indent the given line. The how parameter can be "smart", + // "add"/null, "subtract", or "prev". When aggressive is false + // (typically set to true for forced single-line indents), empty + // lines are not indented, and places where the mode returns Pass + // are left alone. + function indentLine(cm, n, how, aggressive) { + var doc = cm.doc, state; + if (how == null) { how = "add"; } + if (how == "smart") { + // Fall back to "prev" when the mode doesn't have an indentation + // method. + if (!doc.mode.indent) { how = "prev"; } + else { state = getContextBefore(cm, n).state; } } - for (var i = startIndex || 0, n = startValue || 0;;) { - var nextTab = string.indexOf("\t", i); - if (nextTab < 0 || nextTab >= end) - return n + (end - i); - n += nextTab - i; - n += tabSize - (n % tabSize); - i = nextTab + 1; + + var tabSize = cm.options.tabSize; + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); + if (line.stateAfter) { line.stateAfter = null; } + var curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (!aggressive && !/\S/.test(line.text)) { + indentation = 0; + how = "not"; + } else if (how == "smart") { + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass || indentation > 150) { + if (!aggressive) { return } + how = "prev"; + } } - }; + if (how == "prev") { + if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); } + else { indentation = 0; } + } else if (how == "add") { + indentation = curSpace + cm.options.indentUnit; + } else if (how == "subtract") { + indentation = curSpace - cm.options.indentUnit; + } else if (typeof how == "number") { + indentation = curSpace + how; + } + indentation = Math.max(0, indentation); - // The inverse of countColumn -- find the offset that corresponds to - // a particular column. - var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { - for (var pos = 0, col = 0;;) { - var nextTab = string.indexOf("\t", pos); - if (nextTab == -1) nextTab = string.length; - var skipped = nextTab - pos; - if (nextTab == string.length || col + skipped >= goal) - return pos + Math.min(skipped, goal - col); - col += nextTab - pos; - col += tabSize - (col % tabSize); - pos = nextTab + 1; - if (col >= goal) return pos; + var indentString = "", pos = 0; + if (cm.options.indentWithTabs) + { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} } + if (pos < indentation) { indentString += spaceStr(indentation - pos); } + + if (indentString != curSpaceString) { + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); + line.stateAfter = null; + return true + } else { + // Ensure that, if the cursor was in the whitespace at the start + // of the line, it is moved to the end of that space. + for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { + var range = doc.sel.ranges[i$1]; + if (range.head.line == n && range.head.ch < curSpaceString.length) { + var pos$1 = Pos(n, curSpaceString.length); + replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)); + break + } + } } } - var spaceStrs = [""]; - function spaceStr(n) { - while (spaceStrs.length <= n) - spaceStrs.push(lst(spaceStrs) + " "); - return spaceStrs[n]; + // This will be set to a {lineWise: bool, text: [string]} object, so + // that, when pasting, we know what kind of selections the copied + // text was made out of. + var lastCopied = null; + + function setLastCopied(newLastCopied) { + lastCopied = newLastCopied; } - function lst(arr) { return arr[arr.length-1]; } + function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc; + cm.display.shift = false; + if (!sel) { sel = doc.sel; } + + var paste = cm.state.pasteIncoming || origin == "paste"; + var textLines = splitLinesAuto(inserted), multiPaste = null; + // When pasting N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.text.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.text.length == 0) { + multiPaste = []; + for (var i = 0; i < lastCopied.text.length; i++) + { multiPaste.push(doc.splitLines(lastCopied.text[i])); } + } + } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) { + multiPaste = map(textLines, function (l) { return [l]; }); + } + } - var selectInput = function(node) { node.select(); }; - if (ios) // Mobile Safari apparently has a bug where select() is broken. - selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; - else if (ie) // Suppress mysterious IE10 errors - selectInput = function(node) { try { node.select(); } catch(_e) {} }; + var updateInput; + // Normal behavior is to insert the new text into every selection + for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { + var range$$1 = sel.ranges[i$1]; + var from = range$$1.from(), to = range$$1.to(); + if (range$$1.empty()) { + if (deleted && deleted > 0) // Handle deletion + { from = Pos(from.line, from.ch - deleted); } + else if (cm.state.overwrite && !paste) // Handle overwrite + { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); } + else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) + { from = to = Pos(from.line, 0); } + } + updateInput = cm.curOp.updateInput; + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; + makeChange(cm.doc, changeEvent); + signalLater(cm, "inputRead", cm, changeEvent); + } + if (inserted && !paste) + { triggerElectric(cm, inserted); } - function indexOf(array, elt) { - for (var i = 0; i < array.length; ++i) - if (array[i] == elt) return i; - return -1; + ensureCursorVisible(cm); + cm.curOp.updateInput = updateInput; + cm.curOp.typing = true; + cm.state.pasteIncoming = cm.state.cutIncoming = false; } - function map(array, f) { - var out = []; - for (var i = 0; i < array.length; i++) out[i] = f(array[i], i); - return out; + + function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("Text"); + if (pasted) { + e.preventDefault(); + if (!cm.isReadOnly() && !cm.options.disableInput) + { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); } + return true + } } - function nothing() {} + function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) { return } + var sel = cm.doc.sel; - function createObj(base, props) { - var inst; - if (Object.create) { - inst = Object.create(base); - } else { - nothing.prototype = base; - inst = new nothing(); + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range$$1 = sel.ranges[i]; + if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue } + var mode = cm.getModeAt(range$$1.head); + var indented = false; + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range$$1.head.line, "smart"); + break + } } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch))) + { indented = indentLine(cm, range$$1.head.line, "smart"); } + } + if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); } } - if (props) copyObj(props, inst); - return inst; - }; - - function copyObj(obj, target, overwrite) { - if (!target) target = {}; - for (var prop in obj) - if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) - target[prop] = obj[prop]; - return target; } - function bind(f) { - var args = Array.prototype.slice.call(arguments, 1); - return function(){return f.apply(null, args);}; + function copyableRanges(cm) { + var text = [], ranges = []; + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line; + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + ranges.push(lineRange); + text.push(cm.getRange(lineRange.anchor, lineRange.head)); + } + return {text: text, ranges: ranges} } - var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; - var isWordCharBasic = CodeMirror.isWordChar = function(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); - }; - function isWordChar(ch, helper) { - if (!helper) return isWordCharBasic(ch); - if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true; - return helper.test(ch); + function disableBrowserMagic(field, spellcheck) { + field.setAttribute("autocorrect", "off"); + field.setAttribute("autocapitalize", "off"); + field.setAttribute("spellcheck", !!spellcheck); } - function isEmpty(obj) { - for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false; - return true; + function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none"); + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) { te.style.width = "1000px"; } + else { te.setAttribute("wrap", "off"); } + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) { te.style.border = "1px solid black"; } + disableBrowserMagic(te); + return div } - // Extending unicode characters. A series of a non-extending char + - // any number of extending chars is treated as a single unit as far - // as editing and measuring is concerned. This is not fully correct, - // since some scripts/fonts/browsers also treat other configurations - // of code points as a group. - var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; - function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); } + // The publicly visible API. Note that methodOp(f) means + // 'wrap f in an operation, performed on its `this` parameter'. - // DOM UTILITIES + // This is not the complete set of editor methods. Most of the + // methods defined on the Doc type are also injected into + // CodeMirror.prototype, for backwards compatibility and + // convenience. - function elt(tag, content, className, style) { - var e = document.createElement(tag); - if (className) e.className = className; - if (style) e.style.cssText = style; - if (typeof content == "string") e.appendChild(document.createTextNode(content)); - else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); - return e; - } + function addEditorMethods(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; - var range; - if (document.createRange) range = function(node, start, end, endNode) { - var r = document.createRange(); - r.setEnd(endNode || node, end); - r.setStart(node, start); - return r; - }; - else range = function(node, start, end) { - var r = document.body.createTextRange(); - try { r.moveToElementText(node.parentNode); } - catch(e) { return r; } - r.collapse(true); - r.moveEnd("character", end); - r.moveStart("character", start); - return r; - }; + var helpers = CodeMirror.helpers = {}; - function removeChildren(e) { - for (var count = e.childNodes.length; count > 0; --count) - e.removeChild(e.firstChild); - return e; - } + CodeMirror.prototype = { + constructor: CodeMirror, + focus: function(){window.focus(); this.display.input.focus();}, - function removeChildrenAndAdd(parent, e) { - return removeChildren(parent).appendChild(e); - } + setOption: function(option, value) { + var options = this.options, old = options[option]; + if (options[option] == value && option != "mode") { return } + options[option] = value; + if (optionHandlers.hasOwnProperty(option)) + { operation(this, optionHandlers[option])(this, value, old); } + signal(this, "optionChange", this, option); + }, - var contains = CodeMirror.contains = function(parent, child) { - if (child.nodeType == 3) // Android browser always returns false when child is a textnode - child = child.parentNode; - if (parent.contains) - return parent.contains(child); - do { - if (child.nodeType == 11) child = child.host; - if (child == parent) return true; - } while (child = child.parentNode); - }; + getOption: function(option) {return this.options[option]}, + getDoc: function() {return this.doc}, - function activeElt() { - var activeElement = document.activeElement; - while (activeElement && activeElement.root && activeElement.root.activeElement) - activeElement = activeElement.root.activeElement; - return activeElement; - } - // Older versions of IE throws unspecified error when touching - // document.activeElement in some cases (during loading, in iframe) - if (ie && ie_version < 11) activeElt = function() { - try { return document.activeElement; } - catch(e) { return document.body; } - }; + addKeyMap: function(map$$1, bottom) { + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1)); + }, + removeKeyMap: function(map$$1) { + var maps = this.state.keyMaps; + for (var i = 0; i < maps.length; ++i) + { if (maps[i] == map$$1 || maps[i].name == map$$1) { + maps.splice(i, 1); + return true + } } + }, - function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } - var rmClass = CodeMirror.rmClass = function(node, cls) { - var current = node.className; - var match = classTest(cls).exec(current); - if (match) { - var after = current.slice(match.index + match[0].length); - node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); - } - }; - var addClass = CodeMirror.addClass = function(node, cls) { - var current = node.className; - if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; - }; - function joinClasses(a, b) { - var as = a.split(" "); - for (var i = 0; i < as.length; i++) - if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i]; - return b; + addOverlay: methodOp(function(spec, options) { + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); + if (mode.startState) { throw new Error("Overlays may not be stateful.") } + insertSorted(this.state.overlays, + {mode: mode, modeSpec: spec, opaque: options && options.opaque, + priority: (options && options.priority) || 0}, + function (overlay) { return overlay.priority; }); + this.state.modeGen++; + regChange(this); + }), + removeOverlay: methodOp(function(spec) { + var this$1 = this; + + var overlays = this.state.overlays; + for (var i = 0; i < overlays.length; ++i) { + var cur = overlays[i].modeSpec; + if (cur == spec || typeof spec == "string" && cur.name == spec) { + overlays.splice(i, 1); + this$1.state.modeGen++; + regChange(this$1); + return + } + } + }), + + indentLine: methodOp(function(n, dir, aggressive) { + if (typeof dir != "string" && typeof dir != "number") { + if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; } + else { dir = dir ? "add" : "subtract"; } + } + if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); } + }), + indentSelection: methodOp(function(how) { + var this$1 = this; + + var ranges = this.doc.sel.ranges, end = -1; + for (var i = 0; i < ranges.length; i++) { + var range$$1 = ranges[i]; + if (!range$$1.empty()) { + var from = range$$1.from(), to = range$$1.to(); + var start = Math.max(end, from.line); + end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; + for (var j = start; j < end; ++j) + { indentLine(this$1, j, how); } + var newRanges = this$1.doc.sel.ranges; + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) + { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } + } else if (range$$1.head.line > end) { + indentLine(this$1, range$$1.head.line, how, true); + end = range$$1.head.line; + if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); } + } + } + }), + + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(pos, precise) { + return takeToken(this, pos, precise) + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true) + }, + + getTokenTypeAt: function(pos) { + pos = clipPos(this.doc, pos); + var styles = getLineStyles(this, getLine(this.doc, pos.line)); + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; + var type; + if (ch == 0) { type = styles[2]; } + else { for (;;) { + var mid = (before + after) >> 1; + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; } + else if (styles[mid * 2 + 1] < ch) { before = mid + 1; } + else { type = styles[mid * 2 + 2]; break } + } } + var cut = type ? type.indexOf("overlay ") : -1; + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) + }, + + getModeAt: function(pos) { + var mode = this.doc.mode; + if (!mode.innerMode) { return mode } + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode + }, + + getHelper: function(pos, type) { + return this.getHelpers(pos, type)[0] + }, + + getHelpers: function(pos, type) { + var this$1 = this; + + var found = []; + if (!helpers.hasOwnProperty(type)) { return found } + var help = helpers[type], mode = this.getModeAt(pos); + if (typeof mode[type] == "string") { + if (help[mode[type]]) { found.push(help[mode[type]]); } + } else if (mode[type]) { + for (var i = 0; i < mode[type].length; i++) { + var val = help[mode[type][i]]; + if (val) { found.push(val); } + } + } else if (mode.helperType && help[mode.helperType]) { + found.push(help[mode.helperType]); + } else if (help[mode.name]) { + found.push(help[mode.name]); + } + for (var i$1 = 0; i$1 < help._global.length; i$1++) { + var cur = help._global[i$1]; + if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1) + { found.push(cur.val); } + } + return found + }, + + getStateAfter: function(line, precise) { + var doc = this.doc; + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); + return getContextBefore(this, line + 1, precise).state + }, + + cursorCoords: function(start, mode) { + var pos, range$$1 = this.doc.sel.primary(); + if (start == null) { pos = range$$1.head; } + else if (typeof start == "object") { pos = clipPos(this.doc, start); } + else { pos = start ? range$$1.from() : range$$1.to(); } + return cursorCoords(this, pos, mode || "page") + }, + + charCoords: function(pos, mode) { + return charCoords(this, clipPos(this.doc, pos), mode || "page") + }, + + coordsChar: function(coords, mode) { + coords = fromCoordSystem(this, coords, mode || "page"); + return coordsChar(this, coords.left, coords.top) + }, + + lineAtHeight: function(height, mode) { + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; + return lineAtHeight(this.doc, height + this.display.viewOffset) + }, + heightAtLine: function(line, mode, includeWidgets) { + var end = false, lineObj; + if (typeof line == "number") { + var last = this.doc.first + this.doc.size - 1; + if (line < this.doc.first) { line = this.doc.first; } + else if (line > last) { line = last; end = true; } + lineObj = getLine(this.doc, line); + } else { + lineObj = line; + } + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top + + (end ? this.doc.height - heightAtLine(lineObj) : 0) + }, + + defaultTextHeight: function() { return textHeight(this.display) }, + defaultCharWidth: function() { return charWidth(this.display) }, + + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, + + addWidget: function(pos, node, scroll, vert, horiz) { + var display = this.display; + pos = cursorCoords(this, clipPos(this.doc, pos)); + var top = pos.bottom, left = pos.left; + node.style.position = "absolute"; + node.setAttribute("cm-ignore-events", "true"); + this.display.input.setUneditable(node); + display.sizer.appendChild(node); + if (vert == "over") { + top = pos.top; + } else if (vert == "above" || vert == "near") { + var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + // Default to positioning above (if specified and possible); otherwise default to positioning below + if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) + { top = pos.top - node.offsetHeight; } + else if (pos.bottom + node.offsetHeight <= vspace) + { top = pos.bottom; } + if (left + node.offsetWidth > hspace) + { left = hspace - node.offsetWidth; } + } + node.style.top = top + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = display.sizer.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") { left = 0; } + else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; } + node.style.left = left + "px"; + } + if (scroll) + { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); } + }, + + triggerOnKeyDown: methodOp(onKeyDown), + triggerOnKeyPress: methodOp(onKeyPress), + triggerOnKeyUp: onKeyUp, + triggerOnMouseDown: methodOp(onMouseDown), + + execCommand: function(cmd) { + if (commands.hasOwnProperty(cmd)) + { return commands[cmd].call(null, this) } + }, + + triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + + findPosH: function(from, amount, unit, visually) { + var this$1 = this; + + var dir = 1; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + cur = findPosH(this$1.doc, cur, dir, unit, visually); + if (cur.hitSide) { break } + } + return cur + }, + + moveH: methodOp(function(dir, unit) { + var this$1 = this; + + this.extendSelectionsBy(function (range$$1) { + if (this$1.display.shift || this$1.doc.extend || range$$1.empty()) + { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) } + else + { return dir < 0 ? range$$1.from() : range$$1.to() } + }, sel_move); + }), + + deleteH: methodOp(function(dir, unit) { + var sel = this.doc.sel, doc = this.doc; + if (sel.somethingSelected()) + { doc.replaceSelection("", null, "+delete"); } + else + { deleteNearSelection(this, function (range$$1) { + var other = findPosH(doc, range$$1.head, dir, unit, false); + return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other} + }); } + }), + + findPosV: function(from, amount, unit, goalColumn) { + var this$1 = this; + + var dir = 1, x = goalColumn; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + var coords = cursorCoords(this$1, cur, "div"); + if (x == null) { x = coords.left; } + else { coords.left = x; } + cur = findPosV(this$1, coords, dir, unit); + if (cur.hitSide) { break } + } + return cur + }, + + moveV: methodOp(function(dir, unit) { + var this$1 = this; + + var doc = this.doc, goals = []; + var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected(); + doc.extendSelectionsBy(function (range$$1) { + if (collapse) + { return dir < 0 ? range$$1.from() : range$$1.to() } + var headPos = cursorCoords(this$1, range$$1.head, "div"); + if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; } + goals.push(headPos.left); + var pos = findPosV(this$1, headPos, dir, unit); + if (unit == "page" && range$$1 == doc.sel.primary()) + { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); } + return pos + }, sel_move); + if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) + { doc.sel.ranges[i].goalColumn = goals[i]; } } + }), + + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + var helper = this.getHelper(pos, "wordChars"); + if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; } + var startChar = line.charAt(start); + var check = isWordChar(startChar, helper) + ? function (ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } + : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); }; + while (start > 0 && check(line.charAt(start - 1))) { --start; } + while (end < line.length && check(line.charAt(end))) { ++end; } + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)) + }, + + toggleOverwrite: function(value) { + if (value != null && value == this.state.overwrite) { return } + if (this.state.overwrite = !this.state.overwrite) + { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + else + { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + + signal(this, "overwriteToggle", this, this.state.overwrite); + }, + hasFocus: function() { return this.display.input.getField() == activeElt() }, + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, + + scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }), + getScrollInfo: function() { + var scroller = this.display.scroller; + return {left: scroller.scrollLeft, top: scroller.scrollTop, + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)} + }, + + scrollIntoView: methodOp(function(range$$1, margin) { + if (range$$1 == null) { + range$$1 = {from: this.doc.sel.primary().head, to: null}; + if (margin == null) { margin = this.options.cursorScrollMargin; } + } else if (typeof range$$1 == "number") { + range$$1 = {from: Pos(range$$1, 0), to: null}; + } else if (range$$1.from == null) { + range$$1 = {from: range$$1, to: null}; + } + if (!range$$1.to) { range$$1.to = range$$1.from; } + range$$1.margin = margin || 0; + + if (range$$1.from.line != null) { + scrollToRange(this, range$$1); + } else { + scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin); + } + }), + + setSize: methodOp(function(width, height) { + var this$1 = this; + + var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; }; + if (width != null) { this.display.wrapper.style.width = interpret(width); } + if (height != null) { this.display.wrapper.style.height = interpret(height); } + if (this.options.lineWrapping) { clearLineMeasurementCache(this); } + var lineNo$$1 = this.display.viewFrom; + this.doc.iter(lineNo$$1, this.display.viewTo, function (line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) + { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } } + ++lineNo$$1; + }); + this.curOp.forceUpdate = true; + signal(this, "refresh", this); + }), + + operation: function(f){return runInOp(this, f)}, + startOperation: function(){return startOperation(this)}, + endOperation: function(){return endOperation(this)}, + + refresh: methodOp(function() { + var oldHeight = this.display.cachedTextHeight; + regChange(this); + this.curOp.forceUpdate = true; + clearCaches(this); + scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop); + updateGutterSpace(this); + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) + { estimateLineHeights(this); } + signal(this, "refresh", this); + }), + + swapDoc: methodOp(function(doc) { + var old = this.doc; + old.cm = null; + attachDoc(this, doc); + clearCaches(this); + this.display.input.reset(); + scrollToCoords(this, doc.scrollLeft, doc.scrollTop); + this.curOp.forceScroll = true; + signalLater(this, "swapDoc", this, old); + return old + }), + + phrase: function(phraseText) { + var phrases = this.options.phrases; + return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText + }, + + getInputField: function(){return this.display.input.getField()}, + getWrapperElement: function(){return this.display.wrapper}, + getScrollerElement: function(){return this.display.scroller}, + getGutterElement: function(){return this.display.gutters} + }; + eventMixin(CodeMirror); + + CodeMirror.registerHelper = function(type, name, value) { + if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; } + helpers[type][name] = value; + }; + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerHelper(type, name, value); + helpers[type]._global.push({pred: predicate, val: value}); + }; } - // WINDOW-WIDE EVENTS + // Used for horizontal relative motion. Dir is -1 or 1 (left or + // right), unit can be "char", "column" (like char, but doesn't + // cross line boundaries), "word" (across next word), or "group" (to + // the start of next group of word or non-word-non-whitespace + // chars). The visually param controls whether, in right-to-left + // text, direction 1 means to move towards the next index in the + // string, or towards the character to the right of the current + // position. The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosH(doc, pos, dir, unit, visually) { + var oldPos = pos; + var origDir = dir; + var lineObj = getLine(doc, pos.line); + function findNextLine() { + var l = pos.line + dir; + if (l < doc.first || l >= doc.first + doc.size) { return false } + pos = new Pos(l, pos.ch, pos.sticky); + return lineObj = getLine(doc, l) + } + function moveOnce(boundToLine) { + var next; + if (visually) { + next = moveVisually(doc.cm, lineObj, pos, dir); + } else { + next = moveLogically(lineObj, pos, dir); + } + if (next == null) { + if (!boundToLine && findNextLine()) + { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); } + else + { return false } + } else { + pos = next; + } + return true + } - // These must be handled carefully, because naively registering a - // handler for each editor will cause the editors to never be - // garbage collected. + if (unit == "char") { + moveOnce(); + } else if (unit == "column") { + moveOnce(true); + } else if (unit == "word" || unit == "group") { + var sawType = null, group = unit == "group"; + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); + for (var first = true;; first = false) { + if (dir < 0 && !moveOnce(!first)) { break } + var cur = lineObj.text.charAt(pos.ch) || "\n"; + var type = isWordChar(cur, helper) ? "w" + : group && cur == "\n" ? "n" + : !group || /\s/.test(cur) ? null + : "p"; + if (group && !first && !type) { type = "s"; } + if (sawType && sawType != type) { + if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";} + break + } - function forEachCodeMirror(f) { - if (!document.body.getElementsByClassName) return; - var byClass = document.body.getElementsByClassName("CodeMirror"); - for (var i = 0; i < byClass.length; i++) { - var cm = byClass[i].CodeMirror; - if (cm) f(cm); + if (type) { sawType = type; } + if (dir > 0 && !moveOnce(!first)) { break } + } } + var result = skipAtomic(doc, pos, oldPos, origDir, true); + if (equalCursorPos(oldPos, result)) { result.hitSide = true; } + return result } - var globalsRegistered = false; - function ensureGlobalHandlers() { - if (globalsRegistered) return; - registerGlobalHandlers(); - globalsRegistered = true; + // For relative vertical movement. Dir may be -1 or 1. Unit can be + // "page" or "line". The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosV(cm, pos, dir, unit) { + var doc = cm.doc, x = pos.left, y; + if (unit == "page") { + var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); + var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3); + y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount; + + } else if (unit == "line") { + y = dir > 0 ? pos.bottom + 3 : pos.top - 3; + } + var target; + for (;;) { + target = coordsChar(cm, x, y); + if (!target.outside) { break } + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } + y += dir * 5; + } + return target } - function registerGlobalHandlers() { - // When the window resizes, we need to refresh active editors. - var resizeTimer; - on(window, "resize", function() { - if (resizeTimer == null) resizeTimer = setTimeout(function() { - resizeTimer = null; - forEachCodeMirror(onResize); - }, 100); + + // CONTENTEDITABLE INPUT STYLE + + var ContentEditableInput = function(cm) { + this.cm = cm; + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.polling = new Delayed(); + this.composing = null; + this.gracePeriod = false; + this.readDOMTimeout = null; + }; + + ContentEditableInput.prototype.init = function (display) { + var this$1 = this; + + var input = this, cm = input.cm; + var div = input.div = display.lineDiv; + disableBrowserMagic(div, cm.options.spellcheck); + + on(div, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + // IE doesn't fire input events, so we schedule a read for the pasted content in this way + if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); } }); - // When the window loses focus, we want to show the editor as blurred - on(window, "blur", function() { - forEachCodeMirror(onBlur); + + on(div, "compositionstart", function (e) { + this$1.composing = {data: e.data, done: false}; + }); + on(div, "compositionupdate", function (e) { + if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; } + }); + on(div, "compositionend", function (e) { + if (this$1.composing) { + if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); } + this$1.composing.done = true; + } }); - } - // FEATURE DETECTION + on(div, "touchstart", function () { return input.forceCompositionEnd(); }); - // Detect drag-and-drop - var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie && ie_version < 9) return false; - var div = elt('div'); - return "draggable" in div || "dragDrop" in div; - }(); + on(div, "input", function () { + if (!this$1.composing) { this$1.readFromDOMSoon(); } + }); - var zwspSupported; - function zeroWidthElement(measure) { - if (zwspSupported == null) { - var test = elt("span", "\u200b"); - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); - if (measure.firstChild.offsetHeight != 0) - zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); + function onCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + if (e.type == "cut") { cm.replaceSelection("", null, "cut"); } + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.operation(function () { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + if (e.clipboardData) { + e.clipboardData.clearData(); + var content = lastCopied.text.join("\n"); + // iOS exposes the clipboard API, but seems to discard content inserted into it + e.clipboardData.setData("Text", content); + if (e.clipboardData.getData("Text") == content) { + e.preventDefault(); + return + } + } + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild; + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); + te.value = lastCopied.text.join("\n"); + var hadFocus = document.activeElement; + selectInput(te); + setTimeout(function () { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + if (hadFocus == div) { input.showPrimarySelection(); } + }, 50); + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); + }; + + ContentEditableInput.prototype.prepareSelection = function () { + var result = prepareSelection(this.cm, false); + result.focus = this.cm.state.focused; + return result + }; + + ContentEditableInput.prototype.showSelection = function (info, takeFocus) { + if (!info || !this.cm.display.view.length) { return } + if (info.focus || takeFocus) { this.showPrimarySelection(); } + this.showMultipleSelections(info); + }; + + ContentEditableInput.prototype.getSelection = function () { + return this.cm.display.wrapper.ownerDocument.getSelection() + }; + + ContentEditableInput.prototype.showPrimarySelection = function () { + var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary(); + var from = prim.from(), to = prim.to(); + + if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) { + sel.removeAllRanges(); + return } - var node = zwspSupported ? elt("span", "\u200b") : - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); - node.setAttribute("cm-text", ""); - return node; - } - // Feature-detect IE's crummy client rect reporting for bidi text - var badBidiRects; - function hasBadBidiRects(measure) { - if (badBidiRects != null) return badBidiRects; - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); - var r0 = range(txt, 0, 1).getBoundingClientRect(); - var r1 = range(txt, 1, 2).getBoundingClientRect(); - removeChildren(measure); - if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) - return badBidiRects = (r1.right - r0.right < 3); - } + var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset); + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), from) == 0 && + cmp(maxPos(curAnchor, curFocus), to) == 0) + { return } - // See if "".split is the broken IE version, if so, provide an - // alternative way to split lines. - var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) nl = string.length; - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; + var view = cm.display.view; + var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) || + {node: view[0].measure.map[2], offset: 0}; + var end = to.line < cm.display.viewTo && posToDOM(cm, to); + if (!end) { + var measure = view[view.length - 1].measure; + var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; + end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]}; + } + + if (!start || !end) { + sel.removeAllRanges(); + return + } + + var old = sel.rangeCount && sel.getRangeAt(0), rng; + try { rng = range(start.node, start.offset, end.offset, end.node); } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + if (!gecko && cm.state.focused) { + sel.collapse(start.node, start.offset); + if (!rng.collapsed) { + sel.removeAllRanges(); + sel.addRange(rng); + } } else { - result.push(line); - pos = nl + 1; + sel.removeAllRanges(); + sel.addRange(rng); } + if (old && sel.anchorNode == null) { sel.addRange(old); } + else if (gecko) { this.startGracePeriod(); } } - return result; - } : function(string){return string.split(/\r\n?|\n/);}; + this.rememberSelection(); + }; - var hasSelection = window.getSelection ? function(te) { - try { return te.selectionStart != te.selectionEnd; } - catch(e) { return false; } - } : function(te) { - try {var range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) return false; - return range.compareEndPoints("StartToEnd", range) != 0; + ContentEditableInput.prototype.startGracePeriod = function () { + var this$1 = this; + + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function () { + this$1.gracePeriod = false; + if (this$1.selectionChanged()) + { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); } + }, 20); }; - var hasCopyEvent = (function() { - var e = elt("div"); - if ("oncopy" in e) return true; - e.setAttribute("oncopy", "return;"); - return typeof e.oncopy == "function"; - })(); + ContentEditableInput.prototype.showMultipleSelections = function (info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }; - var badZoomedRects = null; - function hasBadZoomedRects(measure) { - if (badZoomedRects != null) return badZoomedRects; - var node = removeChildrenAndAdd(measure, elt("span", "x")); - var normal = node.getBoundingClientRect(); - var fromRange = range(node, 0, 1).getBoundingClientRect(); - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; - } + ContentEditableInput.prototype.rememberSelection = function () { + var sel = this.getSelection(); + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; + }; - // KEY NAMES + ContentEditableInput.prototype.selectionInEditor = function () { + var sel = this.getSelection(); + if (!sel.rangeCount) { return false } + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node) + }; - var keyNames = CodeMirror.keyNames = { - 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + ContentEditableInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor") { + if (!this.selectionInEditor()) + { this.showSelection(this.prepareSelection(), true); } + this.div.focus(); + } }; - (function() { - // Number keys - for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); - // Alphabetic keys - for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); - // Function keys - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; - })(); + ContentEditableInput.prototype.blur = function () { this.div.blur(); }; + ContentEditableInput.prototype.getField = function () { return this.div }; - // BIDI HELPERS + ContentEditableInput.prototype.supportsTouch = function () { return true }; - function iterateBidiSections(order, from, to, f) { - if (!order) return f(from, to, "ltr"); - var found = false; - for (var i = 0; i < order.length; ++i) { - var part = order[i]; - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); - found = true; + ContentEditableInput.prototype.receivedFocus = function () { + var input = this; + if (this.selectionInEditor()) + { this.pollSelection(); } + else + { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); } + + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); } } - if (!found) f(from, to, "ltr"); - } + this.polling.set(this.cm.options.pollInterval, poll); + }; - function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } - function bidiRight(part) { return part.level % 2 ? part.from : part.to; } + ContentEditableInput.prototype.selectionChanged = function () { + var sel = this.getSelection(); + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset + }; - function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } - function lineRight(line) { - var order = getOrder(line); - if (!order) return line.text.length; - return bidiRight(lst(order)); - } + ContentEditableInput.prototype.pollSelection = function () { + if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return } + var sel = this.getSelection(), cm = this.cm; + // On Android Chrome (version 56, at least), backspacing into an + // uneditable block element will put the cursor in that element, + // and then, because it's not editable, hide the virtual keyboard. + // Because Android doesn't allow us to actually detect backspace + // presses in a sane way, this code checks for when that happens + // and simulates a backspace press in this case. + if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) { + this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs}); + this.blur(); + this.focus(); + return + } + if (this.composing) { return } + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) { runInOp(cm, function () { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); + if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; } + }); } + }; - function lineStart(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLine(line); - if (visual != line) lineN = lineNo(visual); - var order = getOrder(visual); - var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); - return Pos(lineN, ch); - } - function lineEnd(cm, lineN) { - var merged, line = getLine(cm.doc, lineN); - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line; - lineN = null; + ContentEditableInput.prototype.pollContent = function () { + if (this.readDOMTimeout != null) { + clearTimeout(this.readDOMTimeout); + this.readDOMTimeout = null; } - var order = getOrder(line); - var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); - return Pos(lineN == null ? lineNo(line) : lineN, ch); - } - function lineStartSmart(cm, pos) { - var start = lineStart(cm, pos.line); - var line = getLine(cm.doc, start.line); - var order = getOrder(line); - if (!order || order[0].level == 0) { - var firstNonWS = Math.max(0, line.text.search(/\S/)); - var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; - return Pos(start.line, inWS ? 0 : firstNonWS); + + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); + var from = sel.from(), to = sel.to(); + if (from.ch == 0 && from.line > cm.firstLine()) + { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); } + if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) + { to = Pos(to.line + 1, 0); } + if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } + + var fromIndex, fromLine, fromNode; + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + fromLine = lineNo(display.view[0].line); + fromNode = display.view[0].node; + } else { + fromLine = lineNo(display.view[fromIndex].line); + fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + var toLine, toNode; + if (toIndex == display.view.length - 1) { + toLine = display.viewTo - 1; + toNode = display.lineDiv.lastChild; + } else { + toLine = lineNo(display.view[toIndex + 1].line) - 1; + toNode = display.view[toIndex + 1].node.previousSibling; + } + + if (!fromNode) { return false } + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } + else { break } + } + + var cutFront = 0, cutEnd = 0; + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + { ++cutFront; } + var newBot = lst(newText), oldBot = lst(oldText); + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)); + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + { ++cutEnd; } + // Try to move start of change to start of selection if ambiguous + if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) { + while (cutFront && cutFront > from.ch && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) { + cutFront--; + cutEnd++; + } + } + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, ""); + newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, ""); + + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true + } + }; + + ContentEditableInput.prototype.ensurePolled = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.reset = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.forceCompositionEnd = function () { + if (!this.composing) { return } + clearTimeout(this.readDOMTimeout); + this.composing = null; + this.updateFromDOM(); + this.div.blur(); + this.div.focus(); + }; + ContentEditableInput.prototype.readFromDOMSoon = function () { + var this$1 = this; + + if (this.readDOMTimeout != null) { return } + this.readDOMTimeout = setTimeout(function () { + this$1.readDOMTimeout = null; + if (this$1.composing) { + if (this$1.composing.done) { this$1.composing = null; } + else { return } + } + this$1.updateFromDOM(); + }, 80); + }; + + ContentEditableInput.prototype.updateFromDOM = function () { + var this$1 = this; + + if (this.cm.isReadOnly() || !this.pollContent()) + { runInOp(this.cm, function () { return regChange(this$1.cm); }); } + }; + + ContentEditableInput.prototype.setUneditable = function (node) { + node.contentEditable = "false"; + }; + + ContentEditableInput.prototype.onKeyPress = function (e) { + if (e.charCode == 0 || this.composing) { return } + e.preventDefault(); + if (!this.cm.isReadOnly()) + { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); } + }; + + ContentEditableInput.prototype.readOnlyChanged = function (val) { + this.div.contentEditable = String(val != "nocursor"); + }; + + ContentEditableInput.prototype.onContextMenu = function () {}; + ContentEditableInput.prototype.resetPosition = function () {}; + + ContentEditableInput.prototype.needsContentAttribute = true; + + function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line); + if (!view || view.hidden) { return null } + var line = getLine(cm.doc, pos.line); + var info = mapFromLineView(view, line, pos.line); + + var order = getOrder(line, cm.doc.direction), side = "left"; + if (order) { + var partPos = getBidiPartAt(order, pos.ch); + side = partPos % 2 ? "right" : "left"; } - return start; + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); + result.offset = result.collapse == "right" ? result.end : result.start; + return result } - function compareBidiLevel(order, a, b) { - var linedir = order[0].level; - if (a == linedir) return true; - if (b == linedir) return false; - return a < b; + function isInGutter(node) { + for (var scan = node; scan; scan = scan.parentNode) + { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } } + return false } - var bidiOther; - function getBidiPartAt(order, pos) { - bidiOther = null; - for (var i = 0, found; i < order.length; ++i) { - var cur = order[i]; - if (cur.from < pos && cur.to > pos) return i; - if ((cur.from == pos || cur.to == pos)) { - if (found == null) { - found = i; - } else if (compareBidiLevel(order, cur.level, order[found].level)) { - if (cur.from != cur.to) bidiOther = found; - return i; - } else { - if (cur.from != cur.to) bidiOther = i; - return found; + + function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } + + function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false; + function recognizeMarker(id) { return function (marker) { return marker.id == id; } } + function close() { + if (closing) { + text += lineSep; + if (extraLinebreak) { text += lineSep; } + closing = extraLinebreak = false; + } + } + function addText(str) { + if (str) { + close(); + text += str; + } + } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text"); + if (cmText) { + addText(cmText); + return + } + var markerID = node.getAttribute("cm-marker"), range$$1; + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + if (found.length && (range$$1 = found[0].find(0))) + { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); } + return } + if (node.getAttribute("contenteditable") == "false") { return } + var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName); + if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return } + + if (isBlock) { close(); } + for (var i = 0; i < node.childNodes.length; i++) + { walk(node.childNodes[i]); } + + if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; } + if (isBlock) { closing = true; } + } else if (node.nodeType == 3) { + addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " ")); } } - return found; + for (;;) { + walk(from); + if (from == to) { break } + from = from.nextSibling; + extraLinebreak = false; + } + return text } - function moveInLine(line, pos, dir, byUnit) { - if (!byUnit) return pos + dir; - do pos += dir; - while (pos > 0 && isExtendingChar(line.text.charAt(pos))); - return pos; + function domToPos(cm, node, offset) { + var lineNode; + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset]; + if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } + node = null; offset = 0; + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) { return null } + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i]; + if (lineView.node == lineNode) + { return locateNodeInLineView(lineView, node, offset) } + } } - // This is needed in order to move 'visually' through bi-directional - // text -- i.e., pressing left should make the cursor go left, even - // when in RTL text. The tricky part is the 'jumps', where RTL and - // LTR text touch each other. This often requires the cursor offset - // to move more than one unit, in order to visually move one unit. - function moveVisually(line, start, dir, byUnit) { - var bidi = getOrder(line); - if (!bidi) return moveLogically(line, start, dir, byUnit); - var pos = getBidiPartAt(bidi, start), part = bidi[pos]; - var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); + function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false; + if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } + if (node == wrapper) { + bad = true; + node = wrapper.childNodes[offset]; + offset = 0; + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line; + return badPos(Pos(lineNo(line), line.text.length), bad) + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node; + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild; + if (offset) { offset = textNode.nodeValue.length; } + } + while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; } + var measure = lineView.measure, maps = measure.maps; - for (;;) { - if (target > part.from && target < part.to) return target; - if (target == part.from || target == part.to) { - if (getBidiPartAt(bidi, target) == pos) return target; - part = bidi[pos += dir]; - return (dir > 0) == part.level % 2 ? part.to : part.from; - } else { - part = bidi[pos += dir]; - if (!part) return null; - if ((dir > 0) == part.level % 2) - target = moveInLine(line, part.to, -1, byUnit); - else - target = moveInLine(line, part.from, 1, byUnit); + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map$$1 = i < 0 ? measure.map : maps[i]; + for (var j = 0; j < map$$1.length; j += 3) { + var curNode = map$$1[j + 2]; + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); + var ch = map$$1[j] + offset; + if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; } + return Pos(line, ch) + } + } } } - } + var found = find(textNode, topNode, offset); + if (found) { return badPos(found, bad) } - function moveLogically(line, start, dir, byUnit) { - var target = start + dir; - if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir; - return target < 0 || target > line.text.length ? null : target; + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0); + if (found) + { return badPos(Pos(found.line, found.ch - dist), bad) } + else + { dist += after.textContent.length; } + } + for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1); + if (found) + { return badPos(Pos(found.line, found.ch + dist$1), bad) } + else + { dist$1 += before.textContent.length; } + } } - // Bidirectional ordering algorithm - // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm - // that this (partially) implements. + // TEXTAREA INPUT STYLE - // One-char codes used for character types: - // L (L): Left-to-Right - // R (R): Right-to-Left - // r (AL): Right-to-Left Arabic - // 1 (EN): European Number - // + (ES): European Number Separator - // % (ET): European Number Terminator - // n (AN): Arabic Number - // , (CS): Common Number Separator - // m (NSM): Non-Spacing Mark - // b (BN): Boundary Neutral - // s (B): Paragraph Separator - // t (S): Segment Separator - // w (WS): Whitespace - // N (ON): Other Neutrals + var TextareaInput = function(cm) { + this.cm = cm; + // See input.poll and input.reset + this.prevInput = ""; - // Returns null if characters are ordered as they appear - // (left-to-right), or an array of sections ({from, to, level} - // objects) in the order in which they occur visually. - var bidiOrdering = (function() { - // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; - // Character types for codepoints 0x600 to 0x6ff - var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; - function charType(code) { - if (code <= 0xf7) return lowTypes.charAt(code); - else if (0x590 <= code && code <= 0x5f4) return "R"; - else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600); - else if (0x6ee <= code && code <= 0x8ac) return "r"; - else if (0x2000 <= code && code <= 0x200b) return "w"; - else if (code == 0x200c) return "b"; - else return "L"; - } + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false; + // Self-resetting timeout for the poller + this.polling = new Delayed(); + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false; + this.composing = null; + }; - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; - // Browsers seem to always treat the boundaries of block elements as being L. - var outerType = "L"; + TextareaInput.prototype.init = function (display) { + var this$1 = this; - function BidiSpan(level, from, to) { - this.level = level; - this.from = from; this.to = to; - } + var input = this, cm = this.cm; + this.createField(display); + var te = this.textarea; - return function(str) { - if (!bidiRE.test(str)) return false; - var len = str.length, types = []; - for (var i = 0, type; i < len; ++i) - types.push(type = charType(str.charCodeAt(i))); + display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild); - // W1. Examine each non-spacing mark (NSM) in the level run, and - // change the type of the NSM to the type of the previous - // character. If the NSM is at the start of the level run, it will - // get the type of sor. - for (var i = 0, prev = outerType; i < len; ++i) { - var type = types[i]; - if (type == "m") types[i] = prev; - else prev = type; - } + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) { te.style.width = "0px"; } - // W2. Search backwards from each instance of a European number - // until the first strong type (R, L, AL, or sor) is found. If an - // AL is found, change the type of the European number to Arabic - // number. - // W3. Change all ALs to R. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (type == "1" && cur == "r") types[i] = "n"; - else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } - } + on(te, "input", function () { + if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; } + input.poll(); + }); - // W4. A single European separator between two European numbers - // changes to a European number. A single common separator between - // two numbers of the same type changes to that type. - for (var i = 1, prev = types[0]; i < len - 1; ++i) { - var type = types[i]; - if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; - else if (type == "," && prev == types[i+1] && - (prev == "1" || prev == "n")) types[i] = prev; - prev = type; - } + on(te, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } - // W5. A sequence of European terminators adjacent to European - // numbers changes to all European numbers. - // W6. Otherwise, separators and terminators change to Other - // Neutral. - for (var i = 0; i < len; ++i) { - var type = types[i]; - if (type == ",") types[i] = "N"; - else if (type == "%") { - for (var end = i + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; + cm.state.pasteIncoming = true; + input.fastPoll(); + }); + + function prepareCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); } } + if (e.type == "cut") { cm.state.cutIncoming = true; } + } + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); - // W7. Search backwards from each instance of a European number - // until the first strong type (R, L, or sor) is found. If an L is - // found, then change the type of the European number to L. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (cur == "L" && type == "1") types[i] = "L"; - else if (isStrong.test(type)) cur = type; + on(display.scroller, "paste", function (e) { + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } + cm.state.pasteIncoming = true; + input.focus(); + }); + + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function (e) { + if (!eventInWidget(display, e)) { e_preventDefault(e); } + }); + + on(te, "compositionstart", function () { + var start = cm.getCursor("from"); + if (input.composing) { input.composing.range.clear(); } + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + }; + }); + on(te, "compositionend", function () { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; } + }); + }; - // N1. A sequence of neutrals takes the direction of the - // surrounding strong text if the text on both sides has the same - // direction. European and Arabic numbers act as if they were R in - // terms of their influence on neutrals. Start-of-level-run (sor) - // and end-of-level-run (eor) are used at level run boundaries. - // N2. Any remaining neutrals take the embedding direction. - for (var i = 0; i < len; ++i) { - if (isNeutral.test(types[i])) { - for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} - var before = (i ? types[i-1] : outerType) == "L"; - var after = (end < len ? types[end] : outerType) == "L"; - var replace = before || after ? "L" : "R"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; - } + TextareaInput.prototype.createField = function (_display) { + // Wraps and hides input textarea + this.wrapper = hiddenTextarea(); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + this.textarea = this.wrapper.firstChild; + }; + + TextareaInput.prototype.prepareSelection = function () { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc; + var result = prepareSelection(cm); + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)); + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)); + } + + return result + }; + + TextareaInput.prototype.showSelection = function (drawn) { + var cm = this.cm, display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }; + + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + TextareaInput.prototype.reset = function (typing) { + if (this.contextMenuPending || this.composing) { return } + var cm = this.cm; + if (cm.somethingSelected()) { + this.prevInput = ""; + var content = cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) { selectInput(this.textarea); } + if (ie && ie_version >= 9) { this.hasSelection = content; } + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) { this.hasSelection = null; } + } + }; + + TextareaInput.prototype.getField = function () { return this.textarea }; + + TextareaInput.prototype.supportsTouch = function () { return false }; + + TextareaInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { + try { this.textarea.focus(); } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }; + + TextareaInput.prototype.blur = function () { this.textarea.blur(); }; + + TextareaInput.prototype.resetPosition = function () { + this.wrapper.style.top = this.wrapper.style.left = 0; + }; + + TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); }; + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + TextareaInput.prototype.slowPoll = function () { + var this$1 = this; + + if (this.pollingFast) { return } + this.polling.set(this.cm.options.pollInterval, function () { + this$1.poll(); + if (this$1.cm.state.focused) { this$1.slowPoll(); } + }); + }; + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + TextareaInput.prototype.fastPoll = function () { + var missed = false, input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) {missed = true; input.polling.set(60, p);} + else {input.pollingFast = false; input.slowPoll();} + } + input.polling.set(20, p); + }; + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + TextareaInput.prototype.poll = function () { + var this$1 = this; + + var cm = this.cm, input = this.textarea, prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) + { return false } + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) { return false } + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset(); + return false + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) { prevInput = "\u200b"; } + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; } + + runInOp(cm, function () { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, this$1.composing ? "*compose" : null); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; } + else { this$1.prevInput = text; } + + if (this$1.composing) { + this$1.composing.range.clear(); + this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}); } + }); + return true + }; - // Here we depart from the documented algorithm, in order to avoid - // building up an actual levels array. Since there are only three - // levels (0, 1, 2) in an implementation that doesn't take - // explicit embedding into account, we can build up the order on - // the fly, without following the level-based algorithm. - var order = [], m; - for (var i = 0; i < len;) { - if (countsAsLeft.test(types[i])) { - var start = i; - for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} - order.push(new BidiSpan(0, start, i)); - } else { - var pos = i, at = order.length; - for (++i; i < len && types[i] != "L"; ++i) {} - for (var j = pos; j < i;) { - if (countsAsNum.test(types[j])) { - if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); - var nstart = j; - for (++j; j < i && countsAsNum.test(types[j]); ++j) {} - order.splice(at, 0, new BidiSpan(2, nstart, j)); - pos = j; - } else ++j; + TextareaInput.prototype.ensurePolled = function () { + if (this.pollingFast && this.poll()) { this.pollingFast = false; } + }; + + TextareaInput.prototype.onKeyPress = function () { + if (ie && ie_version >= 9) { this.hasSelection = null; } + this.fastPoll(); + }; + + TextareaInput.prototype.onContextMenu = function (e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea; + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; + if (!pos || presto) { return } // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); } + + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; + input.wrapper.style.cssText = "position: absolute"; + var wrapperBox = input.wrapper.getBoundingClientRect(); + te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + var oldScrollY; + if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) { window.scrollTo(null, oldScrollY); } + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) { te.value = input.prevInput = " "; } + input.contextMenuPending = true; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } + } + function rehide() { + input.contextMenuPending = false; + input.wrapper.style.cssText = oldWrapperCSS; + te.style.cssText = oldCSS; + if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); } + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); } + var i = 0, poll = function () { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") { + operation(cm, selectAll)(cm); + } else if (i++ < 10) { + display.detectingSelectAll = setTimeout(poll, 500); + } else { + display.selForContextMenu = null; + display.input.reset(); } - if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i)); - } - } - if (order[0].level == 1 && (m = str.match(/^\s+/))) { - order[0].from = m[0].length; - order.unshift(new BidiSpan(0, 0, m[0].length)); + }; + display.detectingSelectAll = setTimeout(poll, 200); } - if (lst(order).level == 1 && (m = str.match(/\s+$/))) { - lst(order).to -= m[0].length; - order.push(new BidiSpan(0, len - m[0].length, len)); + } + + if (ie && ie_version >= 9) { prepareSelectAllHack(); } + if (captureRightClick) { + e_stop(e); + var mouseup = function () { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }; + + TextareaInput.prototype.readOnlyChanged = function (val) { + if (!val) { this.reset(); } + this.textarea.disabled = val == "nocursor"; + }; + + TextareaInput.prototype.setUneditable = function () {}; + + TextareaInput.prototype.needsContentAttribute = false; + + function fromTextArea(textarea, options) { + options = options ? copyObj(options) : {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabIndex) + { options.tabindex = textarea.tabIndex; } + if (!options.placeholder && textarea.placeholder) + { options.placeholder = textarea.placeholder; } + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = activeElt(); + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } + + function save() {textarea.value = cm.getValue();} + + var realSubmit; + if (textarea.form) { + on(textarea.form, "submit", save); + // Deplorable hack to make the submit method do the right thing. + if (!options.leaveSubmitMethodAlone) { + var form = textarea.form; + realSubmit = form.submit; + try { + var wrappedSubmit = form.submit = function () { + save(); + form.submit = realSubmit; + form.submit(); + form.submit = wrappedSubmit; + }; + } catch(e) {} } - if (order[0].level == 2) - order.unshift(new BidiSpan(1, order[0].to, order[0].to)); - if (order[0].level != lst(order).level) - order.push(new BidiSpan(order[0].level, len, len)); + } - return order; + options.finishInit = function (cm) { + cm.save = save; + cm.getTextArea = function () { return textarea; }; + cm.toTextArea = function () { + cm.toTextArea = isNaN; // Prevent this from being ran twice + save(); + textarea.parentNode.removeChild(cm.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + off(textarea.form, "submit", save); + if (typeof textarea.form.submit == "function") + { textarea.form.submit = realSubmit; } + } + }; }; - })(); - // THE END + textarea.style.display = "none"; + var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, + options); + return cm + } + + function addLegacyProps(CodeMirror) { + CodeMirror.off = off; + CodeMirror.on = on; + CodeMirror.wheelEventPixels = wheelEventPixels; + CodeMirror.Doc = Doc; + CodeMirror.splitLines = splitLinesAuto; + CodeMirror.countColumn = countColumn; + CodeMirror.findColumn = findColumn; + CodeMirror.isWordChar = isWordCharBasic; + CodeMirror.Pass = Pass; + CodeMirror.signal = signal; + CodeMirror.Line = Line; + CodeMirror.changeEnd = changeEnd; + CodeMirror.scrollbarModel = scrollbarModel; + CodeMirror.Pos = Pos; + CodeMirror.cmpPos = cmp; + CodeMirror.modes = modes; + CodeMirror.mimeModes = mimeModes; + CodeMirror.resolveMode = resolveMode; + CodeMirror.getMode = getMode; + CodeMirror.modeExtensions = modeExtensions; + CodeMirror.extendMode = extendMode; + CodeMirror.copyState = copyState; + CodeMirror.startState = startState; + CodeMirror.innerMode = innerMode; + CodeMirror.commands = commands; + CodeMirror.keyMap = keyMap; + CodeMirror.keyName = keyName; + CodeMirror.isModifierKey = isModifierKey; + CodeMirror.lookupKey = lookupKey; + CodeMirror.normalizeKeyMap = normalizeKeyMap; + CodeMirror.StringStream = StringStream; + CodeMirror.SharedTextMarker = SharedTextMarker; + CodeMirror.TextMarker = TextMarker; + CodeMirror.LineWidget = LineWidget; + CodeMirror.e_preventDefault = e_preventDefault; + CodeMirror.e_stopPropagation = e_stopPropagation; + CodeMirror.e_stop = e_stop; + CodeMirror.addClass = addClass; + CodeMirror.contains = contains; + CodeMirror.rmClass = rmClass; + CodeMirror.keyNames = keyNames; + } + + // EDITOR CONSTRUCTOR + + defineOptions(CodeMirror); + + addEditorMethods(CodeMirror); + + // Set up methods on CodeMirror's prototype to redirect to the editor's document. + var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); + for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + { CodeMirror.prototype[prop] = (function(method) { + return function() {return method.apply(this.doc, arguments)} + })(Doc.prototype[prop]); } } + + eventMixin(Doc); + CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + CodeMirror.defineMode = function(name/*, mode, …*/) { + if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; } + defineMode.apply(this, arguments); + }; - CodeMirror.version = "5.17.0"; + CodeMirror.defineMIME = defineMIME; + + // Minimal default mode. + CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }); + CodeMirror.defineMIME("text/plain", "null"); + + // EXTENSIONS + + CodeMirror.defineExtension = function (name, func) { + CodeMirror.prototype[name] = func; + }; + CodeMirror.defineDocExtension = function (name, func) { + Doc.prototype[name] = func; + }; + + CodeMirror.fromTextArea = fromTextArea; + + addLegacyProps(CodeMirror); + + CodeMirror.version = "5.42.0"; return CodeMirror; -}); + +}))); diff --git a/assets/js/codemirror/mode/index.html b/assets/js/codemirror/mode/index.html index 732e0e52..858ba127 100644 --- a/assets/js/codemirror/mode/index.html +++ b/assets/js/codemirror/mode/index.html @@ -5,7 +5,7 @@ <link rel=stylesheet href="../doc/docs.css"> <div id=nav> - <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> + <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> <ul> <li><a href="../index.html">Home</a> @@ -56,6 +56,7 @@ option.</p> <li><a href="ebnf/index.html">EBNF</a></li> <li><a href="ecl/index.html">ECL</a></li> <li><a href="eiffel/index.html">Eiffel</a></li> + <li><a href="https://github.com/optick/codemirror-mode-elixir">Elixir</a></li> <li><a href="elm/index.html">Elm</a></li> <li><a href="erlang/index.html">Erlang</a></li> <li><a href="factor/index.html">Factor</a></li> @@ -76,11 +77,10 @@ option.</p> <li><a href="http/index.html">HTTP</a></li> <li><a href="idl/index.html">IDL</a></li> <li><a href="clike/index.html">Java</a></li> - <li><a href="jade/index.html">Jade</a></li> <li><a href="javascript/index.html">JavaScript</a> (<a href="jsx/index.html">JSX</a>)</li> <li><a href="jinja2/index.html">Jinja2</a></li> <li><a href="julia/index.html">Julia</a></li> - <li><a href="kotlin/index.html">Kotlin</a></li> + <li><a href="clike/index.html">Kotlin</a></li> <li><a href="css/less.html">LESS</a></li> <li><a href="livescript/index.html">LiveScript</a></li> <li><a href="lua/index.html">Lua</a></li> @@ -93,7 +93,7 @@ option.</p> <li><a href="mumps/index.html">MUMPS</a></li> <li><a href="nginx/index.html">Nginx</a></li> <li><a href="nsis/index.html">NSIS</a></li> - <li><a href="ntriples/index.html">NTriples</a></li> + <li><a href="ntriples/index.html">N-Triples/N-Quads</a></li> <li><a href="clike/index.html">Objective C</a></li> <li><a href="mllike/index.html">OCaml</a></li> <li><a href="octave/index.html">Octave</a> (MATLAB)</li> @@ -107,6 +107,7 @@ option.</p> <li><a href="powershell/index.html">PowerShell</a></li> <li><a href="properties/index.html">Properties files</a></li> <li><a href="protobuf/index.html">ProtoBuf</a></li> + <li><a href="pug/index.html">Pug</a></li> <li><a href="puppet/index.html">Puppet</a></li> <li><a href="python/index.html">Python</a></li> <li><a href="q/index.html">Q</a></li> diff --git a/assets/js/codemirror/mode/meta.js b/assets/js/codemirror/mode/meta.js index eb25e242..591312b5 100644 --- a/assets/js/codemirror/mode/meta.js +++ b/assets/js/codemirror/mode/meta.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -13,11 +13,11 @@ CodeMirror.modeInfo = [ {name: "APL", mime: "text/apl", mode: "apl", ext: ["dyalog", "apl"]}, - {name: "PGP", mimes: ["application/pgp", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["pgp"]}, + {name: "PGP", mimes: ["application/pgp", "application/pgp-encrypted", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["asc", "pgp", "sig"]}, {name: "ASN.1", mime: "text/x-ttcn-asn", mode: "asn.1", ext: ["asn", "asn1"]}, {name: "Asterisk", mime: "text/x-asterisk", mode: "asterisk", file: /^extensions\.conf$/i}, {name: "Brainfuck", mime: "text/x-brainfuck", mode: "brainfuck", ext: ["b", "bf"]}, - {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h"]}, + {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h", "ino"]}, {name: "C++", mime: "text/x-c++src", mode: "clike", ext: ["cpp", "c++", "cc", "cxx", "hpp", "h++", "hh", "hxx"], alias: ["cpp"]}, {name: "Cobol", mime: "text/x-cobol", mode: "cobol", ext: ["cob", "cpy"]}, {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp"]}, @@ -25,7 +25,7 @@ {name: "ClojureScript", mime: "text/x-clojurescript", mode: "clojure", ext: ["cljs"]}, {name: "Closure Stylesheets (GSS)", mime: "text/x-gss", mode: "css", ext: ["gss"]}, {name: "CMake", mime: "text/x-cmake", mode: "cmake", ext: ["cmake", "cmake.in"], file: /^CMakeLists.txt$/}, - {name: "CoffeeScript", mime: "text/x-coffeescript", mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]}, + {name: "CoffeeScript", mimes: ["application/vnd.coffeescript", "text/coffeescript", "text/x-coffeescript"], mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]}, {name: "Common Lisp", mime: "text/x-common-lisp", mode: "commonlisp", ext: ["cl", "lisp", "el"], alias: ["lisp"]}, {name: "Cypher", mime: "application/x-cypher-query", mode: "cypher", ext: ["cyp", "cypher"]}, {name: "Cython", mime: "text/x-cython", mode: "python", ext: ["pyx", "pxd", "pxi"]}, @@ -47,26 +47,27 @@ {name: "Embedded Javascript", mime: "application/x-ejs", mode: "htmlembedded", ext: ["ejs"]}, {name: "Embedded Ruby", mime: "application/x-erb", mode: "htmlembedded", ext: ["erb"]}, {name: "Erlang", mime: "text/x-erlang", mode: "erlang", ext: ["erl"]}, + {name: "Esper", mime: "text/x-esper", mode: "sql"}, {name: "Factor", mime: "text/x-factor", mode: "factor", ext: ["factor"]}, {name: "FCL", mime: "text/x-fcl", mode: "fcl"}, {name: "Forth", mime: "text/x-forth", mode: "forth", ext: ["forth", "fth", "4th"]}, - {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90"]}, + {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90", "f95"]}, {name: "F#", mime: "text/x-fsharp", mode: "mllike", ext: ["fs"], alias: ["fsharp"]}, {name: "Gas", mime: "text/x-gas", mode: "gas", ext: ["s"]}, {name: "Gherkin", mime: "text/x-feature", mode: "gherkin", ext: ["feature"]}, {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history).md$/i}, {name: "Go", mime: "text/x-go", mode: "go", ext: ["go"]}, - {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"]}, + {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"], file: /^Jenkinsfile$/}, {name: "HAML", mime: "text/x-haml", mode: "haml", ext: ["haml"]}, {name: "Haskell", mime: "text/x-haskell", mode: "haskell", ext: ["hs"]}, {name: "Haskell (Literate)", mime: "text/x-literate-haskell", mode: "haskell-literate", ext: ["lhs"]}, {name: "Haxe", mime: "text/x-haxe", mode: "haxe", ext: ["hx"]}, {name: "HXML", mime: "text/x-hxml", mode: "haxe", ext: ["hxml"]}, {name: "ASP.NET", mime: "application/x-aspx", mode: "htmlembedded", ext: ["aspx"], alias: ["asp", "aspx"]}, - {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm"], alias: ["xhtml"]}, + {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm", "handlebars", "hbs"], alias: ["xhtml"]}, {name: "HTTP", mime: "message/http", mode: "http"}, {name: "IDL", mime: "text/x-idl", mode: "idl", ext: ["pro"]}, - {name: "Jade", mime: "text/x-jade", mode: "jade", ext: ["jade"]}, + {name: "Pug", mime: "text/x-pug", mode: "pug", ext: ["jade", "pug"], alias: ["jade"]}, {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]}, {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]}, {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript"], @@ -74,7 +75,7 @@ {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]}, {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]}, {name: "JSX", mime: "text/jsx", mode: "jsx", ext: ["jsx"]}, - {name: "Jinja2", mime: "null", mode: "jinja2"}, + {name: "Jinja2", mime: "null", mode: "jinja2", ext: ["j2", "jinja", "jinja2"]}, {name: "Julia", mime: "text/x-julia", mode: "julia", ext: ["jl"]}, {name: "Kotlin", mime: "text/x-kotlin", mode: "clike", ext: ["kt"]}, {name: "LESS", mime: "text/x-less", mode: "css", ext: ["less"]}, @@ -91,15 +92,16 @@ {name: "MySQL", mime: "text/x-mysql", mode: "sql"}, {name: "Nginx", mime: "text/x-nginx-conf", mode: "nginx", file: /nginx.*\.conf$/i}, {name: "NSIS", mime: "text/x-nsis", mode: "nsis", ext: ["nsh", "nsi"]}, - {name: "NTriples", mime: "text/n-triples", mode: "ntriples", ext: ["nt"]}, - {name: "Objective C", mime: "text/x-objectivec", mode: "clike", ext: ["m", "mm"], alias: ["objective-c", "objc"]}, + {name: "NTriples", mimes: ["application/n-triples", "application/n-quads", "text/n-triples"], + mode: "ntriples", ext: ["nt", "nq"]}, + {name: "Objective-C", mime: "text/x-objectivec", mode: "clike", ext: ["m", "mm"], alias: ["objective-c", "objc"]}, {name: "OCaml", mime: "text/x-ocaml", mode: "mllike", ext: ["ml", "mli", "mll", "mly"]}, {name: "Octave", mime: "text/x-octave", mode: "octave", ext: ["m"]}, {name: "Oz", mime: "text/x-oz", mode: "oz", ext: ["oz"]}, {name: "Pascal", mime: "text/x-pascal", mode: "pascal", ext: ["p", "pas"]}, {name: "PEG.js", mime: "null", mode: "pegjs", ext: ["jsonld"]}, {name: "Perl", mime: "text/x-perl", mode: "perl", ext: ["pl", "pm"]}, - {name: "PHP", mime: "application/x-httpd-php", mode: "php", ext: ["php", "php3", "php4", "php5", "phtml"]}, + {name: "PHP", mimes: ["text/x-php", "application/x-httpd-php", "application/x-httpd-php-open"], mode: "php", ext: ["php", "php3", "php4", "php5", "php7", "phtml"]}, {name: "Pig", mime: "text/x-pig", mode: "pig", ext: ["pig"]}, {name: "Plain Text", mime: "text/plain", mode: "null", ext: ["txt", "text", "conf", "def", "list", "log"]}, {name: "PLSQL", mime: "text/x-plsql", mode: "sql", ext: ["pls"]}, @@ -109,7 +111,7 @@ {name: "Python", mime: "text/x-python", mode: "python", ext: ["BUILD", "bzl", "py", "pyw"], file: /^(BUCK|BUILD)$/}, {name: "Puppet", mime: "text/x-puppet", mode: "puppet", ext: ["pp"]}, {name: "Q", mime: "text/x-q", mode: "q", ext: ["q"]}, - {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r"], alias: ["rscript"]}, + {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r", "R"], alias: ["rscript"]}, {name: "reStructuredText", mime: "text/x-rst", mode: "rst", ext: ["rst"], alias: ["rst"]}, {name: "RPM Changes", mime: "text/x-rpm-changes", mode: "rpm"}, {name: "RPM Spec", mime: "text/x-rpm-spec", mode: "rpm", ext: ["spec"]}, @@ -120,21 +122,24 @@ {name: "Scala", mime: "text/x-scala", mode: "clike", ext: ["scala"]}, {name: "Scheme", mime: "text/x-scheme", mode: "scheme", ext: ["scm", "ss"]}, {name: "SCSS", mime: "text/x-scss", mode: "css", ext: ["scss"]}, - {name: "Shell", mime: "text/x-sh", mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/}, + {name: "Shell", mimes: ["text/x-sh", "application/x-sh"], mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/}, {name: "Sieve", mime: "application/sieve", mode: "sieve", ext: ["siv", "sieve"]}, {name: "Slim", mimes: ["text/x-slim", "application/x-slim"], mode: "slim", ext: ["slim"]}, {name: "Smalltalk", mime: "text/x-stsrc", mode: "smalltalk", ext: ["st"]}, {name: "Smarty", mime: "text/x-smarty", mode: "smarty", ext: ["tpl"]}, {name: "Solr", mime: "text/x-solr", mode: "solr"}, + {name: "SML", mime: "text/x-sml", mode: "mllike", ext: ["sml", "sig", "fun", "smackspec"]}, {name: "Soy", mime: "text/x-soy", mode: "soy", ext: ["soy"], alias: ["closure template"]}, {name: "SPARQL", mime: "application/sparql-query", mode: "sparql", ext: ["rq", "sparql"], alias: ["sparul"]}, {name: "Spreadsheet", mime: "text/x-spreadsheet", mode: "spreadsheet", alias: ["excel", "formula"]}, {name: "SQL", mime: "text/x-sql", mode: "sql", ext: ["sql"]}, + {name: "SQLite", mime: "text/x-sqlite", mode: "sql"}, {name: "Squirrel", mime: "text/x-squirrel", mode: "clike", ext: ["nut"]}, + {name: "Stylus", mime: "text/x-styl", mode: "stylus", ext: ["styl"]}, {name: "Swift", mime: "text/x-swift", mode: "swift", ext: ["swift"]}, {name: "sTeX", mime: "text/x-stex", mode: "stex"}, - {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx"], alias: ["tex"]}, - {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v"]}, + {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx", "tex"], alias: ["tex"]}, + {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v", "sv", "svh"]}, {name: "Tcl", mime: "text/x-tcl", mode: "tcl", ext: ["tcl"]}, {name: "Textile", mime: "text/x-textile", mode: "textile", ext: ["textile"]}, {name: "TiddlyWiki ", mime: "text/x-tiddlywiki", mode: "tiddlywiki"}, @@ -146,6 +151,7 @@ {name: "TTCN_CFG", mime: "text/x-ttcn-cfg", mode: "ttcn-cfg", ext: ["cfg"]}, {name: "Turtle", mime: "text/turtle", mode: "turtle", ext: ["ttl"]}, {name: "TypeScript", mime: "application/typescript", mode: "javascript", ext: ["ts"], alias: ["ts"]}, + {name: "TypeScript-JSX", mime: "text/typescript-jsx", mode: "jsx", ext: ["tsx"], alias: ["tsx"]}, {name: "Twig", mime: "text/x-twig", mode: "twig"}, {name: "Web IDL", mime: "text/x-webidl", mode: "webidl", ext: ["webidl"]}, {name: "VB.NET", mime: "text/x-vb", mode: "vb", ext: ["vb"]}, @@ -153,10 +159,11 @@ {name: "Velocity", mime: "text/velocity", mode: "velocity", ext: ["vtl"]}, {name: "Verilog", mime: "text/x-verilog", mode: "verilog", ext: ["v"]}, {name: "VHDL", mime: "text/x-vhdl", mode: "vhdl", ext: ["vhd", "vhdl"]}, - {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd"], alias: ["rss", "wsdl", "xsd"]}, + {name: "Vue.js Component", mimes: ["script/x-vue", "text/x-vue"], mode: "vue", ext: ["vue"]}, + {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd", "svg"], alias: ["rss", "wsdl", "xsd"]}, {name: "XQuery", mime: "application/xquery", mode: "xquery", ext: ["xy", "xquery"]}, {name: "Yacas", mime: "text/x-yacas", mode: "yacas", ext: ["ys"]}, - {name: "YAML", mime: "text/x-yaml", mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]}, + {name: "YAML", mimes: ["text/x-yaml", "text/yaml"], mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]}, {name: "Z80", mime: "text/x-z80", mode: "z80", ext: ["z80"]}, {name: "mscgen", mime: "text/x-mscgen", mode: "mscgen", ext: ["mscgen", "mscin", "msc"]}, {name: "xu", mime: "text/x-xu", mode: "mscgen", ext: ["xu"]}, @@ -176,6 +183,8 @@ if (info.mimes) for (var j = 0; j < info.mimes.length; j++) if (info.mimes[j] == mime) return info; } + if (/\+xml$/.test(mime)) return CodeMirror.findModeByMIME("application/xml") + if (/\+json$/.test(mime)) return CodeMirror.findModeByMIME("application/json") }; CodeMirror.findModeByExtension = function(ext) { diff --git a/assets/js/codemirror/mode/sql/index.html b/assets/js/codemirror/mode/sql/index.html index 4243c83e..5791c968 100644 --- a/assets/js/codemirror/mode/sql/index.html +++ b/assets/js/codemirror/mode/sql/index.html @@ -1,11 +1,12 @@ <!doctype html> <title>CodeMirror: SQL Mode for CodeMirror</title> -<meta charset="utf-8" /> +<meta charset="utf-8"/> <link rel=stylesheet href="../../doc/docs.css"> <link rel="stylesheet" href="../../lib/codemirror.css" /> <script src="../../lib/codemirror.js"></script> +<script src="../../addon/edit/matchbrackets.js"></script> <script src="sql.js"></script> <link rel="stylesheet" href="../../addon/hint/show-hint.css" /> <script src="../../addon/hint/show-hint.js"></script> @@ -15,72 +16,74 @@ border-top: 1px solid black; border-bottom: 1px solid black; } -</style> + </style> <div id=nav> - <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a> + <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a> - <ul> - <li><a href="../../index.html">Home</a> - <li><a href="../../doc/manual.html">Manual</a> - <li><a href="https://github.com/codemirror/codemirror">Code</a> - </ul> - <ul> - <li><a href="../index.html">Language modes</a> - <li><a class=active href="#">SQL Mode for CodeMirror</a> - </ul> + <ul> + <li><a href="../../index.html">Home</a> + <li><a href="../../doc/manual.html">Manual</a> + <li><a href="https://github.com/codemirror/codemirror">Code</a> + </ul> + <ul> + <li><a href="../index.html">Language modes</a> + <li><a class=active href="#">SQL Mode for CodeMirror</a> + </ul> </div> <article> - <h2>SQL Mode for CodeMirror</h2> - <form> - <textarea id="code" name="code">-- SQL Mode for CodeMirror SELECT SQL_NO_CACHE DISTINCT @var1 AS `val1`, @'val2', @global.'sql_mode', 1.1 AS `float_val`, .14 AS `another_float`, 0.09e3 AS `int_with_esp`, 0xFA5 AS `hex`, x'fa5' AS `hex2`, 0b101 AS `bin`, b'101' AS `bin2`, DATE '1994-01-01' AS `sql_date`, { T "1994-01-01" } AS `odbc_date`, 'my string', _utf8'your string', N'her string', TRUE, FALSE, UNKNOWN FROM DUAL -- space needed after '--' # 1 line comment /* multiline comment! */ LIMIT 1 OFFSET 0; - </textarea> - </form> - <p><strong>MIME types defined:</strong> - <code><a href="?mime=text/x-sql">text/x-sql</a></code>, - <code><a href="?mime=text/x-mysql">text/x-mysql</a></code>, - <code><a href="?mime=text/x-mariadb">text/x-mariadb</a></code>, - <code><a href="?mime=text/x-cassandra">text/x-cassandra</a></code>, - <code><a href="?mime=text/x-plsql">text/x-plsql</a></code>, - <code><a href="?mime=text/x-mssql">text/x-mssql</a></code>, - <code><a href="?mime=text/x-hive">text/x-hive</a></code>, - <code><a href="?mime=text/x-pgsql">text/x-pgsql</a></code>, - <code><a href="?mime=text/x-gql">text/x-gql</a></code>. - </p> - <script> - window.onload = function() { - var mime = 'text/x-mariadb'; - // get mime type - if (window.location.href.indexOf('mime=') > -1) { - mime = window.location.href.substr(window.location.href.indexOf('mime=') + 5); - } - console.log(mime); - window.editor = CodeMirror.fromTextArea(document.getElementById('code'), { - mode: mime, - indentWithTabs: true, - smartIndent: true, - lineNumbers: true, - matchBrackets: true, - autofocus: true, - extraKeys: { - "Ctrl-Space": "autocomplete" - }, - hintOptions: { - tables: { - users: { - name: null, - score: null, - birthDate: null - }, - countries: { - name: null, - population: null, - size: null - } - } - } - }); - }; - </script> +<h2>SQL Mode for CodeMirror</h2> +<form> + <textarea id="code" name="code">-- SQL Mode for CodeMirror +SELECT SQL_NO_CACHE DISTINCT + @var1 AS `val1`, @'val2', @global.'sql_mode', + 1.1 AS `float_val`, .14 AS `another_float`, 0.09e3 AS `int_with_esp`, + 0xFA5 AS `hex`, x'fa5' AS `hex2`, 0b101 AS `bin`, b'101' AS `bin2`, + DATE '1994-01-01' AS `sql_date`, { T "1994-01-01" } AS `odbc_date`, + 'my string', _utf8'your string', N'her string', + TRUE, FALSE, UNKNOWN + FROM DUAL + -- space needed after '--' + # 1 line comment + /* multiline + comment! */ + LIMIT 1 OFFSET 0; +</textarea> + </form> + <p><strong>MIME types defined:</strong> + <code><a href="?mime=text/x-sql">text/x-sql</a></code>, + <code><a href="?mime=text/x-mysql">text/x-mysql</a></code>, + <code><a href="?mime=text/x-mariadb">text/x-mariadb</a></code>, + <code><a href="?mime=text/x-cassandra">text/x-cassandra</a></code>, + <code><a href="?mime=text/x-plsql">text/x-plsql</a></code>, + <code><a href="?mime=text/x-mssql">text/x-mssql</a></code>, + <code><a href="?mime=text/x-hive">text/x-hive</a></code>, + <code><a href="?mime=text/x-pgsql">text/x-pgsql</a></code>, + <code><a href="?mime=text/x-gql">text/x-gql</a></code>, + <code><a href="?mime=text/x-gpsql">text/x-gpsql</a></code>. + <code><a href="?mime=text/x-esper">text/x-esper</a></code>. + </p> +<script> +window.onload = function() { + var mime = 'text/x-mariadb'; + // get mime type + if (window.location.href.indexOf('mime=') > -1) { + mime = window.location.href.substr(window.location.href.indexOf('mime=') + 5); + } + window.editor = CodeMirror.fromTextArea(document.getElementById('code'), { + mode: mime, + indentWithTabs: true, + smartIndent: true, + lineNumbers: true, + matchBrackets : true, + autofocus: true, + extraKeys: {"Ctrl-Space": "autocomplete"}, + hintOptions: {tables: { + users: ["name", "score", "birthDate"], + countries: ["name", "population", "size"] + }} + }); +}; +</script> </article> diff --git a/assets/js/codemirror/mode/sql/sql.js b/assets/js/codemirror/mode/sql/sql.js index 01ebd80a..d9f418b7 100644 --- a/assets/js/codemirror/mode/sql/sql.js +++ b/assets/js/codemirror/mode/sql/sql.js @@ -1,5 +1,5 @@ // CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE +// Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS @@ -21,7 +21,10 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { operatorChars = parserConfig.operatorChars || /^[*+\-%<>!=&|~^]/, support = parserConfig.support || {}, hooks = parserConfig.hooks || {}, - dateSQL = parserConfig.dateSQL || {"date" : true, "time" : true, "timestamp" : true}; + dateSQL = parserConfig.dateSQL || {"date" : true, "time" : true, "timestamp" : true}, + backslashStringEscapes = parserConfig.backslashStringEscapes !== false, + brackets = parserConfig.brackets || /^[\{}\(\)\[\]]/, + punctuation = parserConfig.punctuation || /^[;.,:]/ function tokenBase(stream, state) { var ch = stream.next(); @@ -32,13 +35,13 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { if (result !== false) return result; } - if (support.hexNumber == true && + if (support.hexNumber && ((ch == "0" && stream.match(/^[xX][0-9a-fA-F]+/)) || (ch == "x" || ch == "X") && stream.match(/^'[0-9a-fA-F]+'/))) { // hex // ref: http://dev.mysql.com/doc/refman/5.5/en/hexadecimal-literals.html return "number"; - } else if (support.binaryNumber == true && + } else if (support.binaryNumber && (((ch == "b" || ch == "B") && stream.match(/^'[01]+'/)) || (ch == "0" && stream.match(/^b[01]+/)))) { // bitstring @@ -47,8 +50,8 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { } else if (ch.charCodeAt(0) > 47 && ch.charCodeAt(0) < 58) { // numbers // ref: http://dev.mysql.com/doc/refman/5.5/en/number-literals.html - stream.match(/^[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?/); - support.decimallessFloat == true && stream.eat('.'); + stream.match(/^[0-9]*(\.[0-9]+)?([eE][-+]?[0-9]+)?/); + support.decimallessFloat && stream.match(/^\.(?!\.)/); return "number"; } else if (ch == "?" && (stream.eatSpace() || stream.eol() || stream.eat(";"))) { // placeholders @@ -58,15 +61,12 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { // ref: http://dev.mysql.com/doc/refman/5.5/en/string-literals.html state.tokenize = tokenLiteral(ch); return state.tokenize(stream, state); - } else if ((((support.nCharCast == true && (ch == "n" || ch == "N")) - || (support.charsetCast == true && ch == "_" && stream.match(/[a-z][a-z0-9]*/i))) + } else if ((((support.nCharCast && (ch == "n" || ch == "N")) + || (support.charsetCast && ch == "_" && stream.match(/[a-z][a-z0-9]*/i))) && (stream.peek() == "'" || stream.peek() == '"'))) { // charset casting: _utf8'str', N'str', n'str' // ref: http://dev.mysql.com/doc/refman/5.5/en/string-literals.html return "keyword"; - } else if (/^[\(\),\;\[\]]/.test(ch)) { - // no highlighting - return null; } else if (support.commentSlashSlash && ch == "/" && stream.eat("/")) { // 1-line comment stream.skipToEnd(); @@ -80,22 +80,29 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { } else if (ch == "/" && stream.eat("*")) { // multi-line comments // ref: https://kb.askmonty.org/en/comment-syntax/ - state.tokenize = tokenComment; + state.tokenize = tokenComment(1); return state.tokenize(stream, state); } else if (ch == ".") { // .1 for 0.1 - if (support.zerolessFloat == true && stream.match(/^(?:\d+(?:e[+-]?\d+)?)/i)) { + if (support.zerolessFloat && stream.match(/^(?:\d+(?:e[+-]?\d+)?)/i)) return "number"; - } + if (stream.match(/^\.+/)) + return null // .table_name (ODBC) // // ref: http://dev.mysql.com/doc/refman/5.6/en/identifier-qualifiers.html - if (support.ODBCdotTable == true && stream.match(/^[a-zA-Z_]+/)) { + if (support.ODBCdotTable && stream.match(/^[\w\d_]+/)) return "variable-2"; - } } else if (operatorChars.test(ch)) { // operators stream.eatWhile(operatorChars); - return null; + return "operator"; + } else if (brackets.test(ch)) { + // brackets + return "bracket"; + } else if (punctuation.test(ch)) { + // punctuation + stream.eatWhile(punctuation); + return "punctuation"; } else if (ch == '{' && (stream.match(/^( )*(d|D|t|T|ts|TS)( )*'[^']*'( )*}/) || stream.match(/^( )*(d|D|t|T|ts|TS)( )*"[^"]*"( )*}/))) { // dates (weird ODBC syntax) @@ -125,25 +132,20 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { state.tokenize = tokenBase; break; } - escaped = !escaped && ch == "\\"; + escaped = backslashStringEscapes && !escaped && ch == "\\"; } return "string"; }; } - function tokenComment(stream, state) { - while (true) { - if (stream.skipTo("*")) { - stream.next(); - if (stream.eat("/")) { - state.tokenize = tokenBase; - break; - } - } else { - stream.skipToEnd(); - break; - } + function tokenComment(depth) { + return function(stream, state) { + var m = stream.match(/^.*?(\/\*|\*\/)/) + if (!m) stream.skipToEnd() + else if (m[1] == "/*") state.tokenize = tokenComment(depth + 1) + else if (depth > 1) state.tokenize = tokenComment(depth - 1) + else state.tokenize = tokenBase + return "comment" } - return "comment"; } function pushContext(stream, state, type) { @@ -170,7 +172,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { if (state.context && state.context.align == null) state.context.align = false; } - if (stream.eatSpace()) return null; + if (state.tokenize == tokenBase && stream.eatSpace()) return null; var style = state.tokenize(stream, state); if (style == "comment") return style; @@ -198,7 +200,8 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { blockCommentStart: "/*", blockCommentEnd: "*/", - lineComment: support.commentSlashSlash ? "//" : support.commentHash ? "#" : null + lineComment: support.commentSlashSlash ? "//" : support.commentHash ? "#" : "--", + closeBrackets: "()[]{}''\"\"``" }; }); @@ -217,6 +220,19 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { return stream.eatWhile(/\w/) ? "variable-2" : null; } + // "identifier" + function hookIdentifierDoublequote(stream) { + // Standard SQL /SQLite identifiers + // ref: http://web.archive.org/web/20160813185132/http://savage.net.au/SQL/sql-99.bnf.html#delimited%20identifier + // ref: http://sqlite.org/lang_keywords.html + var ch; + while ((ch = stream.next()) != null) { + if (ch == "\"" && !stream.eat("\"")) return "variable-2"; + } + stream.backUp(stream.current().length - 1); + return stream.eatWhile(/\w/) ? "variable-2" : null; + } + // variable token function hookVar(stream) { // variables @@ -279,11 +295,14 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { CodeMirror.defineMIME("text/x-mssql", { name: "sql", - client: set("charset clear connect edit ego exit go help nopager notee nowarning pager print prompt quit rehash source status system tee"), - keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered declare"), + client: set("$partition binary_checksum checksum connectionproperty context_info current_request_id error_line error_message error_number error_procedure error_severity error_state formatmessage get_filestream_transaction_context getansinull host_id host_name isnull isnumeric min_active_rowversion newid newsequentialid rowcount_big xact_state object_id"), + keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered declare exec go if use index holdlock nolock nowait paglock readcommitted readcommittedlock readpast readuncommitted repeatableread rowlock serializable snapshot tablock tablockx updlock with"), builtin: set("bigint numeric bit smallint decimal smallmoney int tinyint money float real char varchar text nchar nvarchar ntext binary varbinary image cursor timestamp hierarchyid uniqueidentifier sql_variant xml table "), - atoms: set("false true null unknown"), - operatorChars: /^[*+\-%<>!=]/, + atoms: set("is not null like and or in left right between inner outer join all any some cross unpivot pivot exists"), + operatorChars: /^[*+\-%<>!=^\&|\/]/, + brackets: /^[\{}\(\)]/, + punctuation: /^[;.,:/]/, + backslashStringEscapes: false, dateSQL: set("date datetimeoffset datetime2 smalldatetime datetime time"), hooks: { "@": hookVar @@ -322,6 +341,36 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { } }); + // provided by the phpLiteAdmin project - phpliteadmin.org + CodeMirror.defineMIME("text/x-sqlite", { + name: "sql", + // commands of the official SQLite client, ref: https://www.sqlite.org/cli.html#dotcmd + client: set("auth backup bail binary changes check clone databases dbinfo dump echo eqp exit explain fullschema headers help import imposter indexes iotrace limit lint load log mode nullvalue once open output print prompt quit read restore save scanstats schema separator session shell show stats system tables testcase timeout timer trace vfsinfo vfslist vfsname width"), + // ref: http://sqlite.org/lang_keywords.html + keywords: set(sqlKeywords + "abort action add after all analyze attach autoincrement before begin cascade case cast check collate column commit conflict constraint cross current_date current_time current_timestamp database default deferrable deferred detach each else end escape except exclusive exists explain fail for foreign full glob if ignore immediate index indexed initially inner instead intersect isnull key left limit match natural no notnull null of offset outer plan pragma primary query raise recursive references regexp reindex release rename replace restrict right rollback row savepoint temp temporary then to transaction trigger unique using vacuum view virtual when with without"), + // SQLite is weakly typed, ref: http://sqlite.org/datatype3.html. This is just a list of some common types. + builtin: set("bool boolean bit blob decimal double float long longblob longtext medium mediumblob mediumint mediumtext time timestamp tinyblob tinyint tinytext text clob bigint int int2 int8 integer float double char varchar date datetime year unsigned signed numeric real"), + // ref: http://sqlite.org/syntax/literal-value.html + atoms: set("null current_date current_time current_timestamp"), + // ref: http://sqlite.org/lang_expr.html#binaryops + operatorChars: /^[*+\-%<>!=&|/~]/, + // SQLite is weakly typed, ref: http://sqlite.org/datatype3.html. This is just a list of some common types. + dateSQL: set("date time timestamp datetime"), + support: set("decimallessFloat zerolessFloat"), + identifierQuote: "\"", //ref: http://sqlite.org/lang_keywords.html + hooks: { + // bind-parameters ref:http://sqlite.org/lang_expr.html#varparam + "@": hookVar, + ":": hookVar, + "?": hookVar, + "$": hookVar, + // The preferred way to escape Identifiers is using double quotes, ref: http://sqlite.org/lang_keywords.html + "\"": hookIdentifierDoublequote, + // there is also support for backtics, ref: http://sqlite.org/lang_keywords.html + "`": hookIdentifier + } + }); + // the query language used by Apache Cassandra is called CQL, but this mime type // is called Cassandra to avoid confusion with Contextual Query Language CodeMirror.defineMIME("text/x-cassandra", { @@ -350,8 +399,8 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { // Created to support specific hive keywords CodeMirror.defineMIME("text/x-hive", { name: "sql", - keywords: set("select alter $elem$ $key$ $value$ add after all analyze and archive as asc before between binary both bucket buckets by cascade case cast change cluster clustered clusterstatus collection column columns comment compute concatenate continue create cross cursor data database databases dbproperties deferred delete delimited desc describe directory disable distinct distribute drop else enable end escaped exclusive exists explain export extended external false fetch fields fileformat first format formatted from full function functions grant group having hold_ddltime idxproperties if import in index indexes inpath inputdriver inputformat insert intersect into is items join keys lateral left like limit lines load local location lock locks mapjoin materialized minus msck no_drop nocompress not of offline on option or order out outer outputdriver outputformat overwrite partition partitioned partitions percent plus preserve procedure purge range rcfile read readonly reads rebuild recordreader recordwriter recover reduce regexp rename repair replace restrict revoke right rlike row schema schemas semi sequencefile serde serdeproperties set shared show show_database sort sorted ssl statistics stored streamtable table tables tablesample tblproperties temporary terminated textfile then tmp to touch transform trigger true unarchive undo union uniquejoin unlock update use using utc utc_tmestamp view when where while with"), - builtin: set("bool boolean long timestamp tinyint smallint bigint int float double date datetime unsigned string array struct map uniontype"), + keywords: set("select alter $elem$ $key$ $value$ add after all analyze and archive as asc before between binary both bucket buckets by cascade case cast change cluster clustered clusterstatus collection column columns comment compute concatenate continue create cross cursor data database databases dbproperties deferred delete delimited desc describe directory disable distinct distribute drop else enable end escaped exclusive exists explain export extended external fetch fields fileformat first format formatted from full function functions grant group having hold_ddltime idxproperties if import in index indexes inpath inputdriver inputformat insert intersect into is items join keys lateral left like limit lines load local location lock locks mapjoin materialized minus msck no_drop nocompress not of offline on option or order out outer outputdriver outputformat overwrite partition partitioned partitions percent plus preserve procedure purge range rcfile read readonly reads rebuild recordreader recordwriter recover reduce regexp rename repair replace restrict revoke right rlike row schema schemas semi sequencefile serde serdeproperties set shared show show_database sort sorted ssl statistics stored streamtable table tables tablesample tblproperties temporary terminated textfile then tmp to touch transform trigger unarchive undo union uniquejoin unlock update use using utc utc_tmestamp view when where while with admin authorization char compact compactions conf cube current current_date current_timestamp day decimal defined dependency directories elem_type exchange file following for grouping hour ignore inner interval jar less logical macro minute month more none noscan over owner partialscan preceding pretty principals protection reload rewrite role roles rollup rows second server sets skewed transactions truncate unbounded unset uri user values window year"), + builtin: set("bool boolean long timestamp tinyint smallint bigint int float double date datetime unsigned string array struct map uniontype key_type utctimestamp value_type varchar"), atoms: set("false true null unknown"), operatorChars: /^[*+\-%<>!=]/, dateSQL: set("date timestamp"), @@ -361,10 +410,10 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { CodeMirror.defineMIME("text/x-pgsql", { name: "sql", client: set("source"), - // http://www.postgresql.org/docs/9.5/static/sql-keywords-appendix.html - keywords: set(sqlKeywords + "a abort abs absent absolute access according action ada add admin after aggregate all allocate also always analyse analyze any are array array_agg array_max_cardinality asensitive assertion assignment asymmetric at atomic attribute attributes authorization avg backward base64 before begin begin_frame begin_partition bernoulli binary bit_length blob blocked bom both breadth c cache call called cardinality cascade cascaded case cast catalog catalog_name ceil ceiling chain characteristics characters character_length character_set_catalog character_set_name character_set_schema char_length check checkpoint class class_origin clob close cluster coalesce cobol collate collation collation_catalog collation_name collation_schema collect column columns column_name command_function command_function_code comment comments commit committed concurrently condition condition_number configuration conflict connect connection connection_name constraint constraints constraint_catalog constraint_name constraint_schema constructor contains content continue control conversion convert copy corr corresponding cost covar_pop covar_samp cross csv cube cume_dist current current_catalog current_date current_default_transform_group current_path current_role current_row current_schema current_time current_timestamp current_transform_group_for_type current_user cursor cursor_name cycle data database datalink datetime_interval_code datetime_interval_precision day db deallocate dec declare default defaults deferrable deferred defined definer degree delimiter delimiters dense_rank depth deref derived describe descriptor deterministic diagnostics dictionary disable discard disconnect dispatch dlnewcopy dlpreviouscopy dlurlcomplete dlurlcompleteonly dlurlcompletewrite dlurlpath dlurlpathonly dlurlpathwrite dlurlscheme dlurlserver dlvalue do document domain dynamic dynamic_function dynamic_function_code each element else empty enable encoding encrypted end end-exec end_frame end_partition enforced enum equals escape event every except exception exclude excluding exclusive exec execute exists exp explain expression extension external extract false family fetch file filter final first first_value flag float floor following for force foreign fortran forward found frame_row free freeze fs full function functions fusion g general generated get global go goto grant granted greatest grouping groups handler header hex hierarchy hold hour id identity if ignore ilike immediate immediately immutable implementation implicit import including increment indent index indexes indicator inherit inherits initially inline inner inout input insensitive instance instantiable instead integrity intersect intersection invoker isnull isolation k key key_member key_type label lag language large last last_value lateral lead leading leakproof least left length level library like_regex link listen ln load local localtime localtimestamp location locator lock locked logged lower m map mapping match matched materialized max maxvalue max_cardinality member merge message_length message_octet_length message_text method min minute minvalue mod mode modifies module month more move multiset mumps name names namespace national natural nchar nclob nesting new next nfc nfd nfkc nfkd nil no none normalize normalized nothing notify notnull nowait nth_value ntile null nullable nullif nulls number object occurrences_regex octets octet_length of off offset oids old only open operator option options ordering ordinality others out outer output over overlaps overlay overriding owned owner p pad parameter parameter_mode parameter_name parameter_ordinal_position parameter_specific_catalog parameter_specific_name parameter_specific_schema parser partial partition pascal passing passthrough password percent percentile_cont percentile_disc percent_rank period permission placing plans pli policy portion position position_regex power precedes preceding prepare prepared preserve primary prior privileges procedural procedure program public quote range rank read reads reassign recheck recovery recursive ref references referencing refresh regr_avgx regr_avgy regr_count regr_intercept regr_r2 regr_slope regr_sxx regr_sxy regr_syy reindex relative release rename repeatable replace replica requiring reset respect restart restore restrict result return returned_cardinality returned_length returned_octet_length returned_sqlstate returning returns revoke right role rollback rollup routine routine_catalog routine_name routine_schema row rows row_count row_number rule savepoint scale schema schema_name scope scope_catalog scope_name scope_schema scroll search second section security selective self sensitive sequence sequences serializable server server_name session session_user setof sets share show similar simple size skip snapshot some source space specific specifictype specific_name sql sqlcode sqlerror sqlexception sqlstate sqlwarning sqrt stable standalone start state statement static statistics stddev_pop stddev_samp stdin stdout storage strict strip structure style subclass_origin submultiset substring substring_regex succeeds sum symmetric sysid system system_time system_user t tables tablesample tablespace table_name temp template temporary then ties timezone_hour timezone_minute to token top_level_count trailing transaction transactions_committed transactions_rolled_back transaction_active transform transforms translate translate_regex translation treat trigger trigger_catalog trigger_name trigger_schema trim trim_array true truncate trusted type types uescape unbounded uncommitted under unencrypted unique unknown unlink unlisten unlogged unnamed unnest until untyped upper uri usage user user_defined_type_catalog user_defined_type_code user_defined_type_name user_defined_type_schema using vacuum valid validate validator value value_of varbinary variadic var_pop var_samp verbose version versioning view views volatile when whenever whitespace width_bucket window within work wrapper write xmlagg xmlattributes xmlbinary xmlcast xmlcomment xmlconcat xmldeclaration xmldocument xmlelement xmlexists xmlforest xmliterate xmlnamespaces xmlparse xmlpi xmlquery xmlroot xmlschema xmlserialize xmltable xmltext xmlvalidate year yes loop repeat"), - // http://www.postgresql.org/docs/9.5/static/datatype.html - builtin: set("bigint int8 bigserial serial8 bit varying varbit boolean bool box bytea character char varchar cidr circle date double precision float8 inet integer int int4 interval json jsonb line lseg macaddr money numeric decimal path pg_lsn point polygon real float4 smallint int2 smallserial serial2 serial serial4 text time without zone with timetz timestamp timestamptz tsquery tsvector txid_snapshot uuid xml"), + // https://www.postgresql.org/docs/10/static/sql-keywords-appendix.html + keywords: set(sqlKeywords + "a abort abs absent absolute access according action ada add admin after aggregate all allocate also always analyse analyze any are array array_agg array_max_cardinality asensitive assertion assignment asymmetric at atomic attribute attributes authorization avg backward base64 before begin begin_frame begin_partition bernoulli binary bit_length blob blocked bom both breadth c cache call called cardinality cascade cascaded case cast catalog catalog_name ceil ceiling chain characteristics characters character_length character_set_catalog character_set_name character_set_schema char_length check checkpoint class class_origin clob close cluster coalesce cobol collate collation collation_catalog collation_name collation_schema collect column columns column_name command_function command_function_code comment comments commit committed concurrently condition condition_number configuration conflict connect connection connection_name constraint constraints constraint_catalog constraint_name constraint_schema constructor contains content continue control conversion convert copy corr corresponding cost covar_pop covar_samp cross csv cube cume_dist current current_catalog current_date current_default_transform_group current_path current_role current_row current_schema current_time current_timestamp current_transform_group_for_type current_user cursor cursor_name cycle data database datalink datetime_interval_code datetime_interval_precision day db deallocate dec declare default defaults deferrable deferred defined definer degree delimiter delimiters dense_rank depth deref derived describe descriptor deterministic diagnostics dictionary disable discard disconnect dispatch dlnewcopy dlpreviouscopy dlurlcomplete dlurlcompleteonly dlurlcompletewrite dlurlpath dlurlpathonly dlurlpathwrite dlurlscheme dlurlserver dlvalue do document domain dynamic dynamic_function dynamic_function_code each element else empty enable encoding encrypted end end-exec end_frame end_partition enforced enum equals escape event every except exception exclude excluding exclusive exec execute exists exp explain expression extension external extract false family fetch file filter final first first_value flag float floor following for force foreign fortran forward found frame_row free freeze fs full function functions fusion g general generated get global go goto grant granted greatest grouping groups handler header hex hierarchy hold hour id identity if ignore ilike immediate immediately immutable implementation implicit import including increment indent index indexes indicator inherit inherits initially inline inner inout input insensitive instance instantiable instead integrity intersect intersection invoker isnull isolation k key key_member key_type label lag language large last last_value lateral lc_collate lc_ctype lead leading leakproof least left length level library like_regex link listen ln load local localtime localtimestamp location locator lock locked logged lower m map mapping match matched materialized max maxvalue max_cardinality member merge message_length message_octet_length message_text method min minute minvalue mod mode modifies module month more move multiset mumps name names namespace national natural nchar nclob nesting new next nfc nfd nfkc nfkd nil no none normalize normalized nothing notify notnull nowait nth_value ntile null nullable nullif nulls number object occurrences_regex octets octet_length of off offset oids old only open operator option options ordering ordinality others out outer output over overlaps overlay overriding owned owner p pad parallel parameter parameter_mode parameter_name parameter_ordinal_position parameter_specific_catalog parameter_specific_name parameter_specific_schema parser partial partition pascal passing passthrough password percent percentile_cont percentile_disc percent_rank period permission placing plans pli policy portion position position_regex power precedes preceding prepare prepared preserve primary prior privileges procedural procedure program public quote range rank read reads reassign recheck recovery recursive ref references referencing refresh regr_avgx regr_avgy regr_count regr_intercept regr_r2 regr_slope regr_sxx regr_sxy regr_syy reindex relative release rename repeatable replace replica requiring reset respect restart restore restrict restricted result return returned_cardinality returned_length returned_octet_length returned_sqlstate returning returns revoke right role rollback rollup routine routine_catalog routine_name routine_schema row rows row_count row_number rule savepoint scale schema schema_name scope scope_catalog scope_name scope_schema scroll search second section security selective self sensitive sequence sequences serializable server server_name session session_user setof sets share show similar simple size skip snapshot some source space specific specifictype specific_name sql sqlcode sqlerror sqlexception sqlstate sqlwarning sqrt stable standalone start state statement static statistics stddev_pop stddev_samp stdin stdout storage strict strip structure style subclass_origin submultiset substring substring_regex succeeds sum symmetric sysid system system_time system_user t tables tablesample tablespace table_name temp template temporary then ties timezone_hour timezone_minute to token top_level_count trailing transaction transactions_committed transactions_rolled_back transaction_active transform transforms translate translate_regex translation treat trigger trigger_catalog trigger_name trigger_schema trim trim_array true truncate trusted type types uescape unbounded uncommitted under unencrypted unique unknown unlink unlisten unlogged unnamed unnest until untyped upper uri usage user user_defined_type_catalog user_defined_type_code user_defined_type_name user_defined_type_schema using vacuum valid validate validator value value_of varbinary variadic var_pop var_samp verbose version versioning view views volatile when whenever whitespace width_bucket window within work wrapper write xmlagg xmlattributes xmlbinary xmlcast xmlcomment xmlconcat xmldeclaration xmldocument xmlelement xmlexists xmlforest xmliterate xmlnamespaces xmlparse xmlpi xmlquery xmlroot xmlschema xmlserialize xmltable xmltext xmlvalidate year yes loop repeat attach path depends detach zone"), + // https://www.postgresql.org/docs/10/static/datatype.html + builtin: set("bigint int8 bigserial serial8 bit varying varbit boolean bool box bytea character char varchar cidr circle date double precision float8 inet integer int int4 interval json jsonb line lseg macaddr macaddr8 money numeric decimal path pg_lsn point polygon real float4 smallint int2 smallserial serial2 serial serial4 text time without zone with timetz timestamp timestamptz tsquery tsvector txid_snapshot uuid xml"), atoms: set("false true null unknown"), operatorChars: /^[*+\-%<>!=&|^\/#@?~]/, dateSQL: set("date time timestamp"), @@ -379,6 +428,43 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { builtin: set("blob datetime first key __key__ string integer double boolean null"), operatorChars: /^[*+\-%<>!=]/ }); + + // Greenplum + CodeMirror.defineMIME("text/x-gpsql", { + name: "sql", + client: set("source"), + //https://github.com/greenplum-db/gpdb/blob/master/src/include/parser/kwlist.h + keywords: set("abort absolute access action active add admin after aggregate all also alter always analyse analyze and any array as asc assertion assignment asymmetric at authorization backward before begin between bigint binary bit boolean both by cache called cascade cascaded case cast chain char character characteristics check checkpoint class close cluster coalesce codegen collate column comment commit committed concurrency concurrently configuration connection constraint constraints contains content continue conversion copy cost cpu_rate_limit create createdb createexttable createrole createuser cross csv cube current current_catalog current_date current_role current_schema current_time current_timestamp current_user cursor cycle data database day deallocate dec decimal declare decode default defaults deferrable deferred definer delete delimiter delimiters deny desc dictionary disable discard distinct distributed do document domain double drop dxl each else enable encoding encrypted end enum errors escape every except exchange exclude excluding exclusive execute exists explain extension external extract false family fetch fields filespace fill filter first float following for force foreign format forward freeze from full function global grant granted greatest group group_id grouping handler hash having header hold host hour identity if ignore ilike immediate immutable implicit in including inclusive increment index indexes inherit inherits initially inline inner inout input insensitive insert instead int integer intersect interval into invoker is isnull isolation join key language large last leading least left level like limit list listen load local localtime localtimestamp location lock log login mapping master match maxvalue median merge minute minvalue missing mode modifies modify month move name names national natural nchar new newline next no nocreatedb nocreateexttable nocreaterole nocreateuser noinherit nologin none noovercommit nosuperuser not nothing notify notnull nowait null nullif nulls numeric object of off offset oids old on only operator option options or order ordered others out outer over overcommit overlaps overlay owned owner parser partial partition partitions passing password percent percentile_cont percentile_disc placing plans position preceding precision prepare prepared preserve primary prior privileges procedural procedure protocol queue quote randomly range read readable reads real reassign recheck recursive ref references reindex reject relative release rename repeatable replace replica reset resource restart restrict returning returns revoke right role rollback rollup rootpartition row rows rule savepoint scatter schema scroll search second security segment select sequence serializable session session_user set setof sets share show similar simple smallint some split sql stable standalone start statement statistics stdin stdout storage strict strip subpartition subpartitions substring superuser symmetric sysid system table tablespace temp template temporary text then threshold ties time timestamp to trailing transaction treat trigger trim true truncate trusted type unbounded uncommitted unencrypted union unique unknown unlisten until update user using vacuum valid validation validator value values varchar variadic varying verbose version view volatile web when where whitespace window with within without work writable write xml xmlattributes xmlconcat xmlelement xmlexists xmlforest xmlparse xmlpi xmlroot xmlserialize year yes zone"), + builtin: set("bigint int8 bigserial serial8 bit varying varbit boolean bool box bytea character char varchar cidr circle date double precision float float8 inet integer int int4 interval json jsonb line lseg macaddr macaddr8 money numeric decimal path pg_lsn point polygon real float4 smallint int2 smallserial serial2 serial serial4 text time without zone with timetz timestamp timestamptz tsquery tsvector txid_snapshot uuid xml"), + atoms: set("false true null unknown"), + operatorChars: /^[*+\-%<>!=&|^\/#@?~]/, + dateSQL: set("date time timestamp"), + support: set("ODBCdotTable decimallessFloat zerolessFloat binaryNumber hexNumber nCharCast charsetCast") + }); + + // Spark SQL + CodeMirror.defineMIME("text/x-sparksql", { + name: "sql", + keywords: set("add after all alter analyze and anti archive array as asc at between bucket buckets by cache cascade case cast change clear cluster clustered codegen collection column columns comment commit compact compactions compute concatenate cost create cross cube current current_date current_timestamp database databases datata dbproperties defined delete delimited deny desc describe dfs directories distinct distribute drop else end escaped except exchange exists explain export extended external false fields fileformat first following for format formatted from full function functions global grant group grouping having if ignore import in index indexes inner inpath inputformat insert intersect interval into is items join keys last lateral lazy left like limit lines list load local location lock locks logical macro map minus msck natural no not null nulls of on optimize option options or order out outer outputformat over overwrite partition partitioned partitions percent preceding principals purge range recordreader recordwriter recover reduce refresh regexp rename repair replace reset restrict revoke right rlike role roles rollback rollup row rows schema schemas select semi separated serde serdeproperties set sets show skewed sort sorted start statistics stored stratify struct table tables tablesample tblproperties temp temporary terminated then to touch transaction transactions transform true truncate unarchive unbounded uncache union unlock unset use using values view when where window with"), + builtin: set("tinyint smallint int bigint boolean float double string binary timestamp decimal array map struct uniontype delimited serde sequencefile textfile rcfile inputformat outputformat"), + atoms: set("false true null"), + operatorChars: /^[*+\-%<>!=~&|^]/, + dateSQL: set("date time timestamp"), + support: set("ODBCdotTable doubleQuote zerolessFloat") + }); + + // Esper + CodeMirror.defineMIME("text/x-esper", { + name: "sql", + client: set("source"), + // http://www.espertech.com/esper/release-5.5.0/esper-reference/html/appendix_keywords.html + keywords: set("alter and as asc between by count create delete desc distinct drop from group having in insert into is join like not on or order select set table union update values where limit after all and as at asc avedev avg between by case cast coalesce count create current_timestamp day days delete define desc distinct else end escape events every exists false first from full group having hour hours in inner insert instanceof into irstream is istream join last lastweekday left limit like max match_recognize matches median measures metadatasql min minute minutes msec millisecond milliseconds not null offset on or order outer output partition pattern prev prior regexp retain-union retain-intersection right rstream sec second seconds select set some snapshot sql stddev sum then true unidirectional until update variable weekday when where window"), + builtin: {}, + atoms: set("false true null"), + operatorChars: /^[*+\-%<>!=&|^\/#@?~]/, + dateSQL: set("time"), + support: set("decimallessFloat zerolessFloat binaryNumber hexNumber") + }); }()); }); diff --git a/assets/js/codemirror_footer.js b/assets/js/codemirror_footer.js index 2dd6fbe7..d146e46e 100644 --- a/assets/js/codemirror_footer.js +++ b/assets/js/codemirror_footer.js @@ -1,59 +1,76 @@ var avoid_bogus_character = true; if (avoid_bogus_character) { - jQuery(document).ready(function () { - if (typeof CodeMirror === 'undefined') { + jQuery(document).ready(function() { + if (typeof CodeMirror === "undefined") { return; } - jQuery('#query').focus(); - CodeMirror.commands.sendQuery = function () { - console.log('SEND QUERY'); - jQuery('#sqlform').submit(); + + jQuery("#query").focus(); + CodeMirror.commands.sendQuery = function() { + jQuery("#sqlform").submit(); }; - if (jQuery('textarea#query').length) { - window.editor = CodeMirror.fromTextArea($('#query')[0], { - mode: 'text/x-sql', + + /*var AUTOCOMPLETE_TABLES = { + users: ["name", "score", "birthDate"], + countries: ["name", "population", "size"] + }; + CodeMirror.commands.autocomplete = function(cm) { + CodeMirror.showHint(cm, CodeMirror.hint.sql, { + tables: AUTOCOMPLETE_TABLES + }); + };*/ + if (jQuery("textarea#query").length) { + window.editor = CodeMirror.fromTextArea($("#query")[0], { + mode: "text/x-pgsql", indentWithTabs: true, smartIndent: true, lineNumbers: true, + electricChars: true, matchBrackets: true, autofocus: true, + addModeClass: true, extraKeys: { "Ctrl-Space": "autocomplete", "Ctrl-Enter": "sendQuery" }, - foldGutter: true, + //foldGutter: {rangeFinder: CodeMirror.fold.brace }, gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"] }); } if (window.inPopUp) { - jQuery('table.tabs').prependTo('body'); - jQuery('table.printconnection').prependTo('.sqlform'); + jQuery("table.tabs").prependTo("body"); + jQuery("table.printconnection").prependTo(".sqlform"); } - jQuery('.CodeMirror').focus().css('height', $('#query').attr('rows') * 26); + jQuery(".CodeMirror") + .focus() + .css("height", $("#query").attr("rows") * 26); - if (location.pathname.indexOf('sqledit') !== -1) { + if (location.pathname.indexOf("sqledit") !== -1) { var windowsize = { height: jQuery(window).innerHeight(), width: jQuery(window).innerWidth(), height_difference: height_difference }; - var height_difference = windowsize.height - jQuery('.CodeMirror').innerHeight(); - jQuery(window).on('resize', function () { + var height_difference = + windowsize.height - jQuery(".CodeMirror").innerHeight(); + jQuery(window).on("resize", function() { var windowsize = { height: jQuery(window).innerHeight(), width: jQuery(window).innerWidth(), height_difference: height_difference }; //console.log('window size', windowsize); - jQuery('.CodeMirror').css('height', (windowsize.height - height_difference)); + jQuery(".CodeMirror").css( + "height", + windowsize.height - height_difference + ); }); } else { window.setTimeout(function() { - jQuery('.CodeMirror').resizable(); - },1500) - + jQuery(".CodeMirror").resizable(); + }, 1500); } }); -}
\ No newline at end of file +} diff --git a/assets/templates/header_sqledit.twig b/assets/templates/header_sqledit.twig index fbb5ed0e..f6105d35 100644 --- a/assets/templates/header_sqledit.twig +++ b/assets/templates/header_sqledit.twig @@ -1,16 +1,20 @@ <!DOCTYPE html> -<html xml:lang="{{lang.applocale}}" lang="{{lang.applocale}}" dir="{{dir}}"> +<html xml:lang="{{lang.applocale}}" lang="{{lang.applocale}}" dir="{{dir}}"> <head data-headertemplate="{{headertemplate}}"> {% include 'components/common_head.twig' %} - <link rel="stylesheet" href="{{subfolder}}/assets/js/codemirror/addon/hint/show-hint.css" type="text/css" /> - <link rel="stylesheet" href="{{subfolder}}/assets/js/codemirror/codemirror.css" type="text/css" /> - <link rel="stylesheet" href="{{subfolder}}/assets/js/codemirror/addon/fold/foldgutter.css" type="text/css" /> + <link href="{{subfolder}}/assets/js/codemirror/codemirror.css" type="text/css" rel="stylesheet" /> + <link href="{{subfolder}}/assets/js/codemirror/addon/hint/show-hint.css" type="text/css" rel="stylesheet" /> + + <link href="{{subfolder}}/assets/js/codemirror/addon/fold/foldgutter.css" type="text/css" rel="stylesheet" /> <script src="{{subfolder}}/assets/js/codemirror/codemirror.js"></script> + <script src="{{subfolder}}/assets/js/codemirror/addon/hint/show-hint.js"></script> + <script src="{{subfolder}}/assets/js/codemirror/addon/hint/sql-hint.js"></script> <script src="{{subfolder}}/assets/js/codemirror/mode/sql/sql.js"></script> + <script src="{{subfolder}}/assets/js/codemirror/addon/fold/foldcode.js"></script> <script src="{{subfolder}}/assets/js/codemirror/addon/fold/foldgutter.js"></script> - <script src="{{subfolder}}/assets/js/codemirror/addon/fold/indent-fold.js"></script> + <script src="{{subfolder}}/assets/js/codemirror/addon/fold/brace-fold.js"></script> </head>
\ No newline at end of file diff --git a/assets/themes/global.less b/assets/themes/global.less index 7a63ca4e..2b4e4783 100644 --- a/assets/themes/global.less +++ b/assets/themes/global.less @@ -17,6 +17,13 @@ html { &>.CodeMirror { min-height: 70px; + + .cm-m-sql { + &.cm-keyword { + text-transform: uppercase; + } + } + } #query { diff --git a/src/controllers/DbexportController.php b/src/controllers/DbexportController.php index 58f0d07a..6cb340f0 100644 --- a/src/controllers/DbexportController.php +++ b/src/controllers/DbexportController.php @@ -48,11 +48,10 @@ class DbexportController extends BaseController // Obtain the pg_dump version number and check if the path is good $version = []; - preg_match('/(\\d+(?:\\.\\d+)?)(?:\\.\\d+)?.*$/', exec($exe.' --version'), $version); - - $this->prtrace('$exe', $exe, 'version', $version[1]); + preg_match('/(\\d+(?:\\.\\d+)?)(?:\\.\\d+)?.*$/', exec($exe . ' --version'), $version); if (empty($version)) { + $this->prtrace('$exe', $exe, 'version', $version[1]); if ($dumpall) { printf($this->lang['strbadpgdumpallpath'], $server_info['pg_dumpall_path']); } else { @@ -98,20 +97,20 @@ class DbexportController extends BaseController } // Set environmental variables that pg_dump uses - putenv('PGPASSWORD='.$server_info['password']); - putenv('PGUSER='.$server_info['username']); + putenv('PGPASSWORD=' . $server_info['password']); + putenv('PGUSER=' . $server_info['username']); $hostname = $server_info['host']; if (null !== $hostname && '' != $hostname) { - putenv('PGHOST='.$hostname); + putenv('PGHOST=' . $hostname); } $port = $server_info['port']; if (null !== $port && '' != $port) { - putenv('PGPORT='.$port); + putenv('PGPORT=' . $port); } // Build command for executing pg_dump. '-i' means ignore version differences. if (((float) $version[1]) < 9.5) { - $cmd = $exe.' -i'; + $cmd = $exe . ' -i'; } else { $cmd = $exe; } @@ -126,7 +125,7 @@ class DbexportController extends BaseController switch ($_REQUEST['subject']) { case 'schema': // This currently works for 8.2+ (due to the orthoganl -t -n issue introduced then) - $cmd .= ' -n '.$this->misc->escapeShellArg("\"{$f_schema}\""); + $cmd .= ' -n ' . $this->misc->escapeShellArg("\"{$f_schema}\""); break; case 'table': @@ -139,13 +138,13 @@ class DbexportController extends BaseController // Starting in 8.2, -n and -t are orthagonal, so we now schema qualify // the table name in the -t argument and quote both identifiers if (((float) $version[1]) >= 8.2) { - $cmd .= ' -t '.$this->misc->escapeShellArg("\"{$f_schema}\".\"{$f_object}\""); + $cmd .= ' -t ' . $this->misc->escapeShellArg("\"{$f_schema}\".\"{$f_object}\""); } else { // If we are 7.4 or higher, assume they are using 7.4 pg_dump and // set dump schema as well. Also, mixed case dumping has been fixed // then.. - $cmd .= ' -t '.$this->misc->escapeShellArg($f_object) - .' -n '.$this->misc->escapeShellArg($f_schema); + $cmd .= ' -t ' . $this->misc->escapeShellArg($f_object) + . ' -n ' . $this->misc->escapeShellArg($f_schema); } } @@ -186,7 +185,7 @@ class DbexportController extends BaseController } if (!$dumpall) { - putenv('PGDATABASE='.$_REQUEST['database']); + putenv('PGDATABASE=' . $_REQUEST['database']); } else { //$cmd .= ' --no-role-password'; putenv('PGDATABASE'); |