move to updated version of placeholder

6 files changed, 481 insertions, 22 deletions

diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 3d0099ced02..bbffc9ce2a7 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -15,12 +15,12 @@ filter:
         - 'core/js/jquery-showpassword.js'
         - 'core/js/jquery-tipsy.js'
         - 'core/js/jquery-ui-1.10.0.custom.js'
-        - 'core/js/jquery.inview.js'  
-        - 'core/js/jquery.placeholder.js'
+        - 'core/js/jquery.inview.js'
+        - 'core/js/placeholders.js'
         - 'core/js/underscore.js'
         - 'core/js/jquery.multiselect.js'
 
-        
+
 imports:
     - javascript
     - php
diff --git a/core/js/placeholders.js b/core/js/placeholders.js
new file mode 100644
index 00000000000..e63f429d40f
--- /dev/null
+++ b/core/js/placeholders.js
@@ -0,0 +1,459 @@
+/* 
+ * The MIT License
+ *
+ * Copyright (c) 2012 James Allardice
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), 
+ * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+ * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// Defines the global Placeholders object along with various utility methods
+(function (global) {
+
+    "use strict";
+
+    // Cross-browser DOM event binding
+    function addEventListener(elem, event, fn) {
+        if (elem.addEventListener) {
+            return elem.addEventListener(event, fn, false);
+        }
+        if (elem.attachEvent) {
+            return elem.attachEvent("on" + event, fn);
+        }
+    }
+
+    // Check whether an item is in an array (we don't use Array.prototype.indexOf so we don't clobber any existing polyfills - this is a really simple alternative)
+    function inArray(arr, item) {
+        var i, len;
+        for (i = 0, len = arr.length; i < len; i++) {
+            if (arr[i] === item) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    // Move the caret to the index position specified. Assumes that the element has focus
+    function moveCaret(elem, index) {
+        var range;
+        if (elem.createTextRange) {
+            range = elem.createTextRange();
+            range.move("character", index);
+            range.select();
+        } else if (elem.selectionStart) {
+            elem.focus();
+            elem.setSelectionRange(index, index);
+        }
+    }
+
+    // Attempt to change the type property of an input element
+    function changeType(elem, type) {
+        try {
+            elem.type = type;
+            return true;
+        } catch (e) {
+            // You can't change input type in IE8 and below
+            return false;
+        }
+    }
+
+    // Expose public methods
+    global.Placeholders = {
+        Utils: {
+            addEventListener: addEventListener,
+            inArray: inArray,
+            moveCaret: moveCaret,
+            changeType: changeType
+        }
+    };
+
+}(this));
+
+(function (global) {
+
+    "use strict";
+
+    var validTypes = [
+            "text",
+            "search",
+            "url",
+            "tel",
+            "email",
+            "password",
+            "number",
+            "textarea"
+        ],
+
+        // The list of keycodes that are not allowed when the polyfill is configured to hide-on-input
+        badKeys = [
+
+            // The following keys all cause the caret to jump to the end of the input value
+            27, // Escape
+            33, // Page up
+            34, // Page down
+            35, // End
+            36, // Home
+
+            // Arrow keys allow you to move the caret manually, which should be prevented when the placeholder is visible
+            37, // Left
+            38, // Up
+            39, // Right
+            40, // Down
+
+            // The following keys allow you to modify the placeholder text by removing characters, which should be prevented when the placeholder is visible
+            8, // Backspace
+            46 // Delete
+        ],
+
+        // Styling variables
+        placeholderStyleColor = "#ccc",
+        placeholderClassName = "placeholdersjs",
+        classNameRegExp = new RegExp("(?:^|\\s)" + placeholderClassName + "(?!\\S)"),
+
+        // These will hold references to all elements that can be affected. NodeList objects are live, so we only need to get those references once
+        inputs, textareas,
+
+        // The various data-* attributes used by the polyfill
+        ATTR_CURRENT_VAL = "data-placeholder-value",
+        ATTR_ACTIVE = "data-placeholder-active",
+        ATTR_INPUT_TYPE = "data-placeholder-type",
+        ATTR_FORM_HANDLED = "data-placeholder-submit",
+        ATTR_EVENTS_BOUND = "data-placeholder-bound",
+        ATTR_OPTION_FOCUS = "data-placeholder-focus",
+        ATTR_OPTION_LIVE = "data-placeholder-live",
+        ATTR_MAXLENGTH = "data-placeholder-maxlength",
+
+        // Various other variables used throughout the rest of the script
+        test = document.createElement("input"),
+        head = document.getElementsByTagName("head")[0],
+        root = document.documentElement,
+        Placeholders = global.Placeholders,
+        Utils = Placeholders.Utils,
+        hideOnInput, liveUpdates, keydownVal, styleElem, styleRules, placeholder, timer, form, elem, len, i;
+
+    // No-op (used in place of public methods when native support is detected)
+    function noop() {}
+
+    // Avoid IE9 activeElement of death when an iframe is used.
+    // More info:
+    // http://bugs.jquery.com/ticket/13393
+    // https://github.com/jquery/jquery/commit/85fc5878b3c6af73f42d61eedf73013e7faae408
+    function safeActiveElement() {
+        try {
+            return document.activeElement;
+        } catch (err) {}
+    }
+
+    // Hide the placeholder value on a single element. Returns true if the placeholder was hidden and false if it was not (because it wasn't visible in the first place)
+    function hidePlaceholder(elem, keydownValue) {
+        var type,
+            maxLength,
+            valueChanged = (!!keydownValue && elem.value !== keydownValue),
+            isPlaceholderValue = (elem.value === elem.getAttribute(ATTR_CURRENT_VAL));
+
+        if ((valueChanged || isPlaceholderValue) && elem.getAttribute(ATTR_ACTIVE) === "true") {
+            elem.removeAttribute(ATTR_ACTIVE);
+            elem.value = elem.value.replace(elem.getAttribute(ATTR_CURRENT_VAL), "");
+            elem.className = elem.className.replace(classNameRegExp, "");
+
+            // Restore the maxlength value
+            maxLength = elem.getAttribute(ATTR_MAXLENGTH);
+            if (parseInt(maxLength, 10) >= 0) { // Old FF returns -1 if attribute not set (see GH-56)
+                elem.setAttribute("maxLength", maxLength);
+                elem.removeAttribute(ATTR_MAXLENGTH);
+            }
+
+            // If the polyfill has changed the type of the element we need to change it back
+            type = elem.getAttribute(ATTR_INPUT_TYPE);
+            if (type) {
+                elem.type = type;
+            }
+            return true;
+        }
+        return false;
+    }
+
+    // Show the placeholder value on a single element. Returns true if the placeholder was shown and false if it was not (because it was already visible)
+    function showPlaceholder(elem) {
+        var type,
+            maxLength,
+            val = elem.getAttribute(ATTR_CURRENT_VAL);
+        if (elem.value === "" && val) {
+            elem.setAttribute(ATTR_ACTIVE, "true");
+            elem.value = val;
+            elem.className += " " + placeholderClassName;
+
+            // Store and remove the maxlength value
+            maxLength = elem.getAttribute(ATTR_MAXLENGTH);
+            if (!maxLength) {
+                elem.setAttribute(ATTR_MAXLENGTH, elem.maxLength);
+                elem.removeAttribute("maxLength");
+            }
+
+            // If the type of element needs to change, change it (e.g. password inputs)
+            type = elem.getAttribute(ATTR_INPUT_TYPE);
+            if (type) {
+                elem.type = "text";
+            } else if (elem.type === "password") {
+                if (Utils.changeType(elem, "text")) {
+                    elem.setAttribute(ATTR_INPUT_TYPE, "password");
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    function handleElem(node, callback) {
+
+        var handleInputsLength, handleTextareasLength, handleInputs, handleTextareas, elem, len, i;
+
+        // Check if the passed in node is an input/textarea (in which case it can't have any affected descendants)
+        if (node && node.getAttribute(ATTR_CURRENT_VAL)) {
+            callback(node);
+        } else {
+
+            // If an element was passed in, get all affected descendants. Otherwise, get all affected elements in document
+            handleInputs = node ? node.getElementsByTagName("input") : inputs;
+            handleTextareas = node ? node.getElementsByTagName("textarea") : textareas;
+
+            handleInputsLength = handleInputs ? handleInputs.length : 0;
+            handleTextareasLength = handleTextareas ? handleTextareas.length : 0;
+
+            // Run the callback for each element
+            for (i = 0, len = handleInputsLength + handleTextareasLength; i < len; i++) {
+                elem = i < handleInputsLength ? handleInputs[i] : handleTextareas[i - handleInputsLength];
+                callback(elem);
+            }
+        }
+    }
+
+    // Return all affected elements to their normal state (remove placeholder value if present)
+    function disablePlaceholders(node) {
+        handleElem(node, hidePlaceholder);
+    }
+
+    // Show the placeholder value on all appropriate elements
+    function enablePlaceholders(node) {
+        handleElem(node, showPlaceholder);
+    }
+
+    // Returns a function that is used as a focus event handler
+    function makeFocusHandler(elem) {
+        return function () {
+
+            // Only hide the placeholder value if the (default) hide-on-focus behaviour is enabled
+            if (hideOnInput && elem.value === elem.getAttribute(ATTR_CURRENT_VAL) && elem.getAttribute(ATTR_ACTIVE) === "true") {
+
+                // Move the caret to the start of the input (this mimics the behaviour of all browsers that do not hide the placeholder on focus)
+                Utils.moveCaret(elem, 0);
+
+            } else {
+
+                // Remove the placeholder
+                hidePlaceholder(elem);
+            }
+        };
+    }
+
+    // Returns a function that is used as a blur event handler
+    function makeBlurHandler(elem) {
+        return function () {
+            showPlaceholder(elem);
+        };
+    }
+
+    // Functions that are used as a event handlers when the hide-on-input behaviour has been activated - very basic implementation of the "input" event
+    function makeKeydownHandler(elem) {
+        return function (e) {
+            keydownVal = elem.value;
+
+            //Prevent the use of the arrow keys (try to keep the cursor before the placeholder)
+            if (elem.getAttribute(ATTR_ACTIVE) === "true") {
+                if (keydownVal === elem.getAttribute(ATTR_CURRENT_VAL) && Utils.inArray(badKeys, e.keyCode)) {
+                    if (e.preventDefault) {
+                        e.preventDefault();
+                    }
+                    return false;
+                }
+            }
+        };
+    }
+    function makeKeyupHandler(elem) {
+        return function () {
+            hidePlaceholder(elem, keydownVal);
+
+            // If the element is now empty we need to show the placeholder
+            if (elem.value === "") {
+                elem.blur();
+                Utils.moveCaret(elem, 0);
+            }
+        };
+    }
+    function makeClickHandler(elem) {
+        return function () {
+            if (elem === safeActiveElement() && elem.value === elem.getAttribute(ATTR_CURRENT_VAL) && elem.getAttribute(ATTR_ACTIVE) === "true") {
+                Utils.moveCaret(elem, 0);
+            }
+        };
+    }
+
+    // Returns a function that is used as a submit event handler on form elements that have children affected by this polyfill
+    function makeSubmitHandler(form) {
+        return function () {
+
+            // Turn off placeholders on all appropriate descendant elements
+            disablePlaceholders(form);
+        };
+    }
+
+    // Bind event handlers to an element that we need to affect with the polyfill
+    function newElement(elem) {
+
+        // If the element is part of a form, make sure the placeholder string is not submitted as a value
+        if (elem.form) {
+            form = elem.form;
+
+            // If the type of the property is a string then we have a "form" attribute and need to get the real form
+            if (typeof form === "string") {
+                form = document.getElementById(form);
+            }
+
+            // Set a flag on the form so we know it's been handled (forms can contain multiple inputs)
+            if (!form.getAttribute(ATTR_FORM_HANDLED)) {
+                Utils.addEventListener(form, "submit", makeSubmitHandler(form));
+                form.setAttribute(ATTR_FORM_HANDLED, "true");
+            }
+        }
+
+        // Bind event handlers to the element so we can hide/show the placeholder as appropriate
+        Utils.addEventListener(elem, "focus", makeFocusHandler(elem));
+        Utils.addEventListener(elem, "blur", makeBlurHandler(elem));
+
+        // If the placeholder should hide on input rather than on focus we need additional event handlers
+        if (hideOnInput) {
+            Utils.addEventListener(elem, "keydown", makeKeydownHandler(elem));
+            Utils.addEventListener(elem, "keyup", makeKeyupHandler(elem));
+            Utils.addEventListener(elem, "click", makeClickHandler(elem));
+        }
+
+        // Remember that we've bound event handlers to this element
+        elem.setAttribute(ATTR_EVENTS_BOUND, "true");
+        elem.setAttribute(ATTR_CURRENT_VAL, placeholder);
+
+        // If the element doesn't have a value and is not focussed, set it to the placeholder string
+        if (hideOnInput || elem !== safeActiveElement()) {
+            showPlaceholder(elem);
+        }
+    }
+
+    Placeholders.nativeSupport = test.placeholder !== void 0;
+
+    if (!Placeholders.nativeSupport) {
+
+        // Get references to all the input and textarea elements currently in the DOM (live NodeList objects to we only need to do this once)
+        inputs = document.getElementsByTagName("input");
+        textareas = document.getElementsByTagName("textarea");
+
+        // Get any settings declared as data-* attributes on the root element (currently the only options are whether to hide the placeholder on focus or input and whether to auto-update)
+        hideOnInput = root.getAttribute(ATTR_OPTION_FOCUS) === "false";
+        liveUpdates = root.getAttribute(ATTR_OPTION_LIVE) !== "false";
+
+        // Create style element for placeholder styles (instead of directly setting style properties on elements - allows for better flexibility alongside user-defined styles)
+        styleElem = document.createElement("style");
+        styleElem.type = "text/css";
+
+        // Create style rules as text node
+        styleRules = document.createTextNode("." + placeholderClassName + " { color:" + placeholderStyleColor + "; }");
+
+        // Append style rules to newly created stylesheet
+        if (styleElem.styleSheet) {
+            styleElem.styleSheet.cssText = styleRules.nodeValue;
+        } else {
+            styleElem.appendChild(styleRules);
+        }
+
+        // Prepend new style element to the head (before any existing stylesheets, so user-defined rules take precedence)
+        head.insertBefore(styleElem, head.firstChild);
+
+        // Set up the placeholders
+        for (i = 0, len = inputs.length + textareas.length; i < len; i++) {
+            elem = i < inputs.length ? inputs[i] : textareas[i - inputs.length];
+
+            // Get the value of the placeholder attribute, if any. IE10 emulating IE7 fails with getAttribute, hence the use of the attributes node
+            placeholder = elem.attributes.placeholder;
+            if (placeholder) {
+
+                // IE returns an empty object instead of undefined if the attribute is not present
+                placeholder = placeholder.nodeValue;
+
+                // Only apply the polyfill if this element is of a type that supports placeholders, and has a placeholder attribute with a non-empty value
+                if (placeholder && Utils.inArray(validTypes, elem.type)) {
+                    newElement(elem);
+                }
+            }
+        }
+
+        // If enabled, the polyfill will repeatedly check for changed/added elements and apply to those as well
+        timer = setInterval(function () {
+            for (i = 0, len = inputs.length + textareas.length; i < len; i++) {
+                elem = i < inputs.length ? inputs[i] : textareas[i - inputs.length];
+
+                // Only apply the polyfill if this element is of a type that supports placeholders, and has a placeholder attribute with a non-empty value
+                placeholder = elem.attributes.placeholder;
+                if (placeholder) {
+                    placeholder = placeholder.nodeValue;
+                    if (placeholder && Utils.inArray(validTypes, elem.type)) {
+
+                        // If the element hasn't had event handlers bound to it then add them
+                        if (!elem.getAttribute(ATTR_EVENTS_BOUND)) {
+                            newElement(elem);
+                        }
+
+                        // If the placeholder value has changed or not been initialised yet we need to update the display
+                        if (placeholder !== elem.getAttribute(ATTR_CURRENT_VAL) || (elem.type === "password" && !elem.getAttribute(ATTR_INPUT_TYPE))) {
+
+                            // Attempt to change the type of password inputs (fails in IE < 9)
+                            if (elem.type === "password" && !elem.getAttribute(ATTR_INPUT_TYPE) && Utils.changeType(elem, "text")) {
+                                elem.setAttribute(ATTR_INPUT_TYPE, "password");
+                            }
+
+                            // If the placeholder value has changed and the placeholder is currently on display we need to change it
+                            if (elem.value === elem.getAttribute(ATTR_CURRENT_VAL)) {
+                                elem.value = placeholder;
+                            }
+
+                            // Keep a reference to the current placeholder value in case it changes via another script
+                            elem.setAttribute(ATTR_CURRENT_VAL, placeholder);
+                        }
+                    }
+                } else if (elem.getAttribute(ATTR_ACTIVE)) {
+                    hidePlaceholder(elem);
+                    elem.removeAttribute(ATTR_CURRENT_VAL);
+                }
+            }
+
+            // If live updates are not enabled cancel the timer
+            if (!liveUpdates) {
+                clearInterval(timer);
+            }
+        }, 100);
+    }
+
+    Utils.addEventListener(global, "beforeunload", function () {
+        Placeholders.disable();
+    });
+
+    // Expose public methods
+    Placeholders.disable = Placeholders.nativeSupport ? noop : disablePlaceholders;
+    Placeholders.enable = Placeholders.nativeSupport ? noop : enablePlaceholders;
+
+}(this));
diff --git a/core/templates/layout.base.php b/core/templates/layout.base.php
index c519388fa3b..b99f603fe0b 100644
--- a/core/templates/layout.base.php
+++ b/core/templates/layout.base.php
@@ -1,10 +1,10 @@
 <!DOCTYPE html>
-<!--[if lt IE 7]><html class="ng-csp ie ie6 lte9 lte8 lte7"><![endif]-->
-<!--[if IE 7]><html class="ng-csp ie ie7 lte9 lte8 lte7"><![endif]-->
-<!--[if IE 8]><html class="ng-csp ie ie8 lte9 lte8"><![endif]-->
-<!--[if IE 9]><html class="ng-csp ie ie9 lte9"><![endif]-->
-<!--[if gt IE 9]><html class="ng-csp ie"><![endif]-->
-<!--[if !IE]><!--><html class="ng-csp"><!--<![endif]-->
+<!--[if lt IE 7]><html class="ng-csp ie ie6 lte9 lte8 lte7" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 7]><html class="ng-csp ie ie7 lte9 lte8 lte7" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 8]><html class="ng-csp ie ie8 lte9 lte8" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 9]><html class="ng-csp ie ie9 lte9" data-placeholder-focus="false"><![endif]-->
+<!--[if gt IE 9]><html class="ng-csp ie" data-placeholder-focus="false"><![endif]-->
+<!--[if !IE]><!--><html class="ng-csp" data-placeholder-focus="false"><!--<![endif]-->
 
 	<head>
 		<title>
diff --git a/core/templates/layout.guest.php b/core/templates/layout.guest.php
index d38dc24d9ce..c4b69a950a0 100644
--- a/core/templates/layout.guest.php
+++ b/core/templates/layout.guest.php
@@ -1,10 +1,10 @@
 <!DOCTYPE html>
-<!--[if lt IE 7]><html class="ng-csp ie ie6 lte9 lte8 lte7"><![endif]-->
-<!--[if IE 7]><html class="ng-csp ie ie7 lte9 lte8 lte7"><![endif]-->
-<!--[if IE 8]><html class="ng-csp ie ie8 lte9 lte8"><![endif]-->
-<!--[if IE 9]><html class="ng-csp ie ie9 lte9"><![endif]-->
-<!--[if gt IE 9]><html class="ng-csp ie"><![endif]-->
-<!--[if !IE]><!--><html class="ng-csp"><!--<![endif]-->
+<!--[if lt IE 7]><html class="ng-csp ie ie6 lte9 lte8 lte7" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 7]><html class="ng-csp ie ie7 lte9 lte8 lte7" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 8]><html class="ng-csp ie ie8 lte9 lte8" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 9]><html class="ng-csp ie ie9 lte9" data-placeholder-focus="false"><![endif]-->
+<!--[if gt IE 9]><html class="ng-csp ie" data-placeholder-focus="false"><![endif]-->
+<!--[if !IE]><!--><html class="ng-csp" data-placeholder-focus="false"><!--<![endif]-->
 
 	<head data-requesttoken="<?php p($_['requesttoken']); ?>">
 		<title>
diff --git a/core/templates/layout.user.php b/core/templates/layout.user.php
index b0ae8637acc..d551c53521b 100644
--- a/core/templates/layout.user.php
+++ b/core/templates/layout.user.php
@@ -1,10 +1,10 @@
 <!DOCTYPE html>
-<!--[if lt IE 7]><html class="ng-csp ie ie6 lte9 lte8 lte7"><![endif]-->
-<!--[if IE 7]><html class="ng-csp ie ie7 lte9 lte8 lte7"><![endif]-->
-<!--[if IE 8]><html class="ng-csp ie ie8 lte9 lte8"><![endif]-->
-<!--[if IE 9]><html class="ng-csp ie ie9 lte9"><![endif]-->
-<!--[if gt IE 9]><html class="ng-csp ie"><![endif]-->
-<!--[if !IE]><!--><html class="ng-csp"><!--<![endif]-->
+<!--[if lt IE 7]><html class="ng-csp ie ie6 lte9 lte8 lte7" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 7]><html class="ng-csp ie ie7 lte9 lte8 lte7" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 8]><html class="ng-csp ie ie8 lte9 lte8" data-placeholder-focus="false"><![endif]-->
+<!--[if IE 9]><html class="ng-csp ie ie9 lte9" data-placeholder-focus="false"><![endif]-->
+<!--[if gt IE 9]><html class="ng-csp ie" data-placeholder-focus="false"><![endif]-->
+<!--[if !IE]><!--><html class="ng-csp" data-placeholder-focus="false"><!--<![endif]-->
 
 	<head data-user="<?php p($_['user_uid']); ?>" data-requesttoken="<?php p($_['requesttoken']); ?>">
 		<title>
diff --git a/lib/base.php b/lib/base.php
index 160d346a01a..ea3be3471bf 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -320,7 +320,7 @@ class OC {
 		OC_Util::addScript("jquery-migrate-1.2.1.min");
 		OC_Util::addScript("jquery-ui-1.10.0.custom");
 		OC_Util::addScript("jquery-showpassword");
-		OC_Util::addScript("jquery.placeholder");
+		OC_Util::addScript("placeholders");
 		OC_Util::addScript("jquery-tipsy");
 		OC_Util::addScript("compatibility");
 		OC_Util::addScript("underscore");