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Diffstat (limited to 'webdoc/plugins/sidebar-plugin/dependencies/xtree/xloadtree.js')
| -rw-r--r-- | webdoc/plugins/sidebar-plugin/dependencies/xtree/xloadtree.js | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/webdoc/plugins/sidebar-plugin/dependencies/xtree/xloadtree.js b/webdoc/plugins/sidebar-plugin/dependencies/xtree/xloadtree.js new file mode 100644 index 00000000..24ad21b9 --- /dev/null +++ b/webdoc/plugins/sidebar-plugin/dependencies/xtree/xloadtree.js @@ -0,0 +1,276 @@ +/*----------------------------------------------------------------------------\ +| XLoadTree 1.11 | +|-----------------------------------------------------------------------------| +| Created by Erik Arvidsson | +| (http://webfx.eae.net/contact.html#erik) | +| For WebFX (http://webfx.eae.net/) | +|-----------------------------------------------------------------------------| +| An extension to xTree that allows sub trees to be loaded at runtime by | +| reading XML files from the server. Works with IE5+ and Mozilla 1.0+ | +|-----------------------------------------------------------------------------| +| Copyright (c) 1999 - 2002 Erik Arvidsson | +|-----------------------------------------------------------------------------| +| This 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. | +| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | +| This software is available under the three different licenses mentioned | +| below. To use this software you must chose, and qualify, for one of those. | +| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | +| The WebFX Non-Commercial License http://webfx.eae.net/license.html | +| Permits anyone the right to use the software in a non-commercial context | +| free of charge. | +| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | +| The WebFX Commercial license http://webfx.eae.net/commercial.html | +| Permits the license holder the right to use the software in a commercial | +| context. Such license must be specifically obtained, however it's valid for | +| any number of implementations of the licensed software. | +| - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | +| GPL - The GNU General Public License http://www.gnu.org/licenses/gpl.txt | +| Permits anyone the right to use and modify the software without limitations | +| as long as proper credits are given and the original and modified source | +| code are included. Requires that the final product, software derivate from | +| the original source or any software utilizing a GPL component, such as | +| this, is also licensed under the GPL license. | +|-----------------------------------------------------------------------------| +| 2001-09-27 | Original Version Posted. | +| 2002-01-19 | Added some simple error handling and string templates for | +| | reporting the errors. | +| 2002-01-28 | Fixed loading issues in IE50 and IE55 that made the tree load | +| | twice. | +| 2002-10-10 | (1.1) Added reload method that reloads the XML file from the | +| | server. | +/ 2003-05-06 | Added support for target attribute | +|-----------------------------------------------------------------------------| +| Dependencies: xtree.js - original xtree library | +| xtree.css - simple css styling of xtree | +| xmlextras.js - provides xml http objects and xml document | +| objects | +|-----------------------------------------------------------------------------| +| Created 2001-09-27 | All changes are in the log above. | Updated 2003-05-06 | +\----------------------------------------------------------------------------*/ + + +webFXTreeConfig.loadingText = "Loading..."; +webFXTreeConfig.loadErrorTextTemplate = "Error loading \"%1%\""; +webFXTreeConfig.emptyErrorTextTemplate = "Error \"%1%\" does not contain any tree items"; + +/* + * WebFXLoadTree class + */ + +function WebFXLoadTree(sText, sXmlSrc, sAction, sBehavior, sIcon, sOpenIcon) { + // call super + this.WebFXTree = WebFXTree; + this.WebFXTree(sText, sAction, sBehavior, sIcon, sOpenIcon); + + // setup default property values + this.src = sXmlSrc; + this.loading = false; + this.loaded = false; + this.errorText = ""; + + // check start state and load if open + if (this.open) + _startLoadXmlTree(this.src, this); + else { + // and create loading item if not + this._loadingItem = new WebFXTreeItem(webFXTreeConfig.loadingText); + this.add(this._loadingItem); + } +} + +WebFXLoadTree.prototype = new WebFXTree; + +// override the expand method to load the xml file +WebFXLoadTree.prototype._webfxtree_expand = WebFXTree.prototype.expand; +WebFXLoadTree.prototype.expand = function() { + if (!this.loaded && !this.loading) { + // load + _startLoadXmlTree(this.src, this); + } + this._webfxtree_expand(); +}; + +/* + * WebFXLoadTreeItem class + */ + +function WebFXLoadTreeItem(sText, sXmlSrc, sAction, eParent, sIcon, sOpenIcon) { + // call super + this.WebFXTreeItem = WebFXTreeItem; + this.WebFXTreeItem(sText, sAction, eParent, sIcon, sOpenIcon); + + // setup default property values + this.src = sXmlSrc; + this.loading = false; + this.loaded = false; + this.errorText = ""; + + // check start state and load if open + if (this.open) + _startLoadXmlTree(this.src, this); + else { + // and create loading item if not + this._loadingItem = new WebFXTreeItem(webFXTreeConfig.loadingText); + this.add(this._loadingItem); + } +} + +WebFXLoadTreeItem.prototype = new WebFXTreeItem; + +// override the expand method to load the xml file +WebFXLoadTreeItem.prototype._webfxtreeitem_expand = WebFXTreeItem.prototype.expand; +WebFXLoadTreeItem.prototype.expand = function() { + if (!this.loaded && !this.loading) { + // load + _startLoadXmlTree(this.src, this); + } + this._webfxtreeitem_expand(); +}; + +// reloads the src file if already loaded +WebFXLoadTree.prototype.reload = +WebFXLoadTreeItem.prototype.reload = function () { + // if loading do nothing + if (this.loaded) { + var open = this.open; + // remove + while (this.childNodes.length > 0) + this.childNodes[this.childNodes.length - 1].remove(); + + this.loaded = false; + + this._loadingItem = new WebFXTreeItem(webFXTreeConfig.loadingText); + this.add(this._loadingItem); + + if (open) + this.expand(); + } + else if (this.open && !this.loading) + _startLoadXmlTree(this.src, this); +}; + +/* + * Helper functions + */ + +// creates the xmlhttp object and starts the load of the xml document +function _startLoadXmlTree(sSrc, jsNode) { + if (jsNode.loading || jsNode.loaded) + return; + jsNode.loading = true; + var xmlHttp = XmlHttp.create(); + xmlHttp.open("GET", sSrc, true); // async + xmlHttp.onreadystatechange = function () { + if (xmlHttp.readyState == 4) { + _xmlFileLoaded(xmlHttp.responseXML, jsNode); + } + }; + // call in new thread to allow ui to update + window.setTimeout(function () { + xmlHttp.send(null); + }, 10); +} + + +// Converts an xml tree to a js tree. See article about xml tree format +function _xmlTreeToJsTree(oNode) { + // retreive attributes + var text = oNode.getAttribute("text"); + var action = oNode.getAttribute("action"); + var parent = null; + var icon = oNode.getAttribute("icon"); + var openIcon = oNode.getAttribute("openIcon"); + var src = oNode.getAttribute("src"); + var target = oNode.getAttribute("target"); + // create jsNode + var jsNode; + if (src != null && src != "") + jsNode = new WebFXLoadTreeItem(text, src, action, parent, icon, openIcon); + else + jsNode = new WebFXTreeItem(text, action, parent, icon, openIcon); + + if (target != "") + jsNode.target = target; + + // go through childNOdes + var cs = oNode.childNodes; + var l = cs.length; + for (var i = 0; i < l; i++) { + if (cs[i].tagName == "tree") + jsNode.add( _xmlTreeToJsTree(cs[i]), true ); + } + + return jsNode; +} + +// Inserts an xml document as a subtree to the provided node +function _xmlFileLoaded(oXmlDoc, jsParentNode) { + if (jsParentNode.loaded) + return; + + var bIndent = false; + var bAnyChildren = false; + jsParentNode.loaded = true; + jsParentNode.loading = false; + + // check that the load of the xml file went well + if( oXmlDoc == null || oXmlDoc.documentElement == null) { + alert(oXmlDoc.xml); + jsParentNode.errorText = parseTemplateString(webFXTreeConfig.loadErrorTextTemplate, + jsParentNode.src); + } + else { + // there is one extra level of tree elements + var root = oXmlDoc.documentElement; + + // loop through all tree children + var cs = root.childNodes; + var l = cs.length; + for (var i = 0; i < l; i++) { + if (cs[i].tagName == "tree") { + bAnyChildren = true; + bIndent = true; + jsParentNode.add( _xmlTreeToJsTree(cs[i]), true); + } + } + + // if no children we got an error + if (!bAnyChildren) + jsParentNode.errorText = parseTemplateString(webFXTreeConfig.emptyErrorTextTemplate, + jsParentNode.src); + } + + // remove dummy + if (jsParentNode._loadingItem != null) { + jsParentNode._loadingItem.remove(); + bIndent = true; + } + + if (bIndent) { + // indent now that all items are added + jsParentNode.indent(); + } + + // show error in status bar + if (jsParentNode.errorText != "") + window.status = jsParentNode.errorText; +} + +// parses a string and replaces %n% with argument nr n +function parseTemplateString(sTemplate) { + var args = arguments; + var s = sTemplate; + + s = s.replace(/\%\%/g, "%"); + + for (var i = 1; i < args.length; i++) + s = s.replace( new RegExp("\%" + i + "\%", "g"), args[i] ) + + return s; +}
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