/*	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.TreeSelector");dojo.require("dojo.widget.HtmlWidget");dojo.widget.tags.addParseTreeHandler("dojo:TreeSelector");dojo.widget.TreeSelector = function() {	dojo.widget.HtmlWidget.call(this);	this.eventNames = {};	this.listenedTrees = [];}dojo.inherits(dojo.widget.TreeSelector, dojo.widget.HtmlWidget);dojo.lang.extend(dojo.widget.TreeSelector, {	widgetType: "TreeSelector",	selectedNode: null,	dieWithTree: false,	eventNamesDefault: {		select : "select",		destroy : "destroy",		deselect : "deselect",		dblselect: "dblselect" // select already selected node.. Edit or whatever	},	initialize: function() {		for(name in this.eventNamesDefault) {			if (dojo.lang.isUndefined(this.eventNames[name])) {				this.eventNames[name] = this.widgetId+"/"+this.eventNamesDefault[name];			}		}	},	destroy: function() {		dojo.event.topic.publish(this.eventNames.destroy, { source: this } );		return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments);	},	listenTree: function(tree) {		dojo.event.topic.subscribe(tree.eventNames.titleClick, this, "select");		dojo.event.topic.subscribe(tree.eventNames.iconClick, this, "select");		dojo.event.topic.subscribe(tree.eventNames.collapse, this, "onCollapse");		dojo.event.topic.subscribe(tree.eventNames.moveFrom, this, "onMoveFrom");		dojo.event.topic.subscribe(tree.eventNames.removeNode, this, "onRemoveNode");		dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");		/* remember all my trees to deselect when element is movedFrom them */		this.listenedTrees.push(tree);	},	unlistenTree: function(tree) {		dojo.event.topic.unsubscribe(tree.eventNames.titleClick, this, "select");		dojo.event.topic.unsubscribe(tree.eventNames.iconClick, this, "select");		dojo.event.topic.unsubscribe(tree.eventNames.collapse, this, "onCollapse");		dojo.event.topic.unsubscribe(tree.eventNames.moveFrom, this, "onMoveFrom");		dojo.event.topic.unsubscribe(tree.eventNames.removeNode, this, "onRemoveNode");		dojo.event.topic.unsubscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");		for(var i=0; i<this.listenedTrees.length; i++){           if(this.listenedTrees[i] === tree){                   this.listenedTrees.splice(i, 1);                   break;           }		}	},	onTreeDestroy: function(message) {		this.unlistenTree(message.source);		if (this.dieWithTree) {			//dojo.debug("Killing myself "+this.widgetId);			this.destroy();			//dojo.debug("done");		}	},	// deselect node if parent is collapsed	onCollapse: function(message) {		if (!this.selectedNode) return;		var node = message.source;		var parent = this.selectedNode.parent;		while (parent !== node && parent.isTreeNode) {			parent = parent.parent;		}		if (parent.isTreeNode) {			this.deselect();		}	},	select: function(message) {		var node = message.source;		var e = message.event;		if (this.selectedNode === node) {			dojo.event.topic.publish(this.eventNames.dblselect, { node: node });			return;		}		if (this.selectedNode) {			this.deselect();		}		this.doSelect(node);		dojo.event.topic.publish(this.eventNames.select, {node: node} );	},	/**	 * Deselect node if target tree is out of our concern	 */	onMoveFrom: function(message) {		if (message.child !== this.selectedNode) {			return;		}		if (!dojo.lang.inArray(this.listenedTrees, message.newTree)) {			this.deselect();		}	},	onRemoveNode: function(message) {		if (message.child !== this.selectedNode) {			return;		}		this.deselect();	},	doSelect: function(node){		node.markSelected();		this.selectedNode = node;	},	deselect: function(){		var node = this.selectedNode;		this.selectedNode = null;		node.unMarkSelected();		dojo.event.topic.publish(this.eventNames.deselect, {node: node} );	}});