/*	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.TreeContextMenu");dojo.provide("dojo.widget.TreeMenuItem");dojo.require("dojo.event.*");dojo.require("dojo.io.*");dojo.require("dojo.widget.Menu2");dojo.widget.tags.addParseTreeHandler("dojo:TreeContextMenu");dojo.widget.tags.addParseTreeHandler("dojo:TreeMenuItem");dojo.widget.TreeContextMenu = function() {	dojo.widget.PopupMenu2.call(this);	this.listenedTrees = [];}dojo.inherits(dojo.widget.TreeContextMenu, dojo.widget.PopupMenu2);dojo.lang.extend(dojo.widget.TreeContextMenu, {	widgetType: "TreeContextMenu",	open: function(x, y, parentMenu, explodeSrc){		var result = dojo.widget.PopupMenu2.prototype.open.apply(this, arguments);		/* publish many events here about structural changes */		dojo.event.topic.publish(this.eventNames.open, { menu:this });		return result;	},	listenTree: function(tree) {		/* add context menu to all nodes that exist already */		var nodes = tree.getDescendants();		for(var i=0; i<nodes.length; i++) {			if (!nodes[i].isTreeNode) continue;			this.bindDomNode(nodes[i].labelNode);		}		/* bind context menu to all nodes that will be created in the future (e.g loaded from server)*/		var _this = this;		dojo.event.topic.subscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");		dojo.event.topic.subscribe(tree.eventNames.moveFrom, this, "onMoveFrom");		dojo.event.topic.subscribe(tree.eventNames.moveTo, this, "onMoveTo");		dojo.event.topic.subscribe(tree.eventNames.removeNode, this, "onRemoveNode");		dojo.event.topic.subscribe(tree.eventNames.addChild, this, "onAddChild");		dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");		this.listenedTrees.push(tree);	},	unlistenTree: function(tree) {		/* clear event listeners */		dojo.event.topic.unsubscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");		dojo.event.topic.unsubscribe(tree.eventNames.moveFrom, this, "onMoveFrom");		dojo.event.topic.unsubscribe(tree.eventNames.moveTo, this, "onMoveTo");		dojo.event.topic.unsubscribe(tree.eventNames.removeNode, this, "onRemoveNode");		dojo.event.topic.unsubscribe(tree.eventNames.addChild, this, "onAddChild");		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);	},	bindTreeNode: function(node) {		var _this = this;		//dojo.debug("bind to "+node);		dojo.lang.forEach(node.getDescendants(),			function(e) {_this.bindDomNode(e.labelNode); }		);	},	unBindTreeNode: function(node) {		var _this = this;		//dojo.debug("Unbind from "+node);		dojo.lang.forEach(node.getDescendants(),			function(e) {_this.unBindDomNode(e.labelNode); }		);	},	onCreateDOMNode: function(message) {		this.bindTreeNode(message.source);	},	onMoveFrom: function(message) {		if (!dojo.lang.inArray(this.listenedTrees, message.newTree)) {			this.unBindTreeNode(message.child);		}	},	onMoveTo: function(message) {		if (dojo.lang.inArray(this.listenedTrees, message.newTree)) {			this.bindTreeNode(message.child);		}	},	onRemoveNode: function(message) {		this.unBindTreeNode(message.child);	},	onAddChild: function(message) {		if (message.domNodeInitialized) {			// dom node was there already => I did not process onNodeDomCreate			this.bindTreeNode(message.child);		}	}});dojo.widget.TreeMenuItem = function() {	dojo.widget.MenuItem2.call(this);}dojo.inherits(dojo.widget.TreeMenuItem, dojo.widget.MenuItem2);dojo.lang.extend(dojo.widget.TreeMenuItem, {	widgetType: "TreeMenuItem",	// treeActions menu item performs following actions (to be checked for permissions)	treeActions: "",	initialize: function(args, frag) {		this.treeActions = this.treeActions.split(",");		for(var i=0; i<this.treeActions.length; i++) {			this.treeActions[i] = this.treeActions[i].toUpperCase();		}	},	getTreeNode: function() {		var menu = this;		while (! (menu instanceof dojo.widget.TreeContextMenu) ) {			menu = menu.parent;		}		var source = menu.getTopOpenEvent().target;		while (!source.getAttribute('treeNode') && source.tagName != 'body') {			source = source.parentNode;		}		if (source.tagName == 'body') {			dojo.raise("treeNode not detected");		}		var treeNode = dojo.widget.manager.getWidgetById(source.getAttribute('treeNode'));		return treeNode;	},	menuOpen: function(message) {		var treeNode = this.getTreeNode();		this.setDisabled(false); // enable by default		var _this = this;		dojo.lang.forEach(_this.treeActions,			function(action) {				_this.setDisabled( treeNode.actionIsDisabled(action) );			}		);	},	toString: function() {		return "["+this.widgetType+" node "+this.getTreeNode()+"]";	}});