flymis/WebRoot/dojojs/src/widget/TreeDocIconExtension.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/


dojo.provide("dojo.widget.TreeDocIconExtension");

dojo.require("dojo.widget.HtmlWidget");
dojo.require("dojo.widget.TreeExtension");

// selector extension to emphase node

dojo.widget.defineWidget(
	"dojo.widget.TreeDocIconExtension",
	[dojo.widget.TreeExtension],
{
	/**
	 * can't unlisten
	 */
	
	templateCssPath: dojo.uri.dojoUri("src/widget/templates/TreeDocIcon.css"),

	
	listenTreeEvents: ["afterChangeTree","afterSetFolder","afterUnsetFolder"],
	
	listenNodeFilter: function(elem) { return elem instanceof dojo.widget.Widget },
	
	getnodeDocType: function(node) {
		var nodeDocType = node.getnodeDocType();
		if (!nodeDocType) { // set default type
			nodeDocType = node.isFolder ? "Folder" : "Document";
		}
		return nodeDocType;
	},
	
	setnodeDocTypeClass: function(node) {
		
		var reg = new RegExp("(^|\\s)"+node.tree.classPrefix+"Icon\\w+",'g');			
				
		var clazz = dojo.html.getClass(node.iconNode).replace(reg,'') + ' ' + node.tree.classPrefix+'Icon'+this.getnodeDocType(node);
		dojo.html.setClass(node.iconNode, clazz);		
	},
		
		
	onAfterSetFolder: function(message) {
		//dojo.debug("FOLDER");
		if (message.source.iconNode) {
			// on node-initialize time when folder is set there is no iconNode
			// this case will be processed in treeChange anyway			
			this.setnodeDocTypeClass(message.source);
		}
	},