flymis/WebRoot/dojojs/src/widget/TreeBasicController.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.TreeBasicController");

dojo.require("dojo.event.*");
dojo.require("dojo.json")
dojo.require("dojo.io.*");


dojo.widget.defineWidget("dojo.widget.TreeBasicController", dojo.widget.HtmlWidget, {
	widgetType: "TreeBasicController",

	DNDController: "",

	dieWithTree: false,

	initialize: function(args, frag){

		/* no DND by default for compatibility */
		if (this.DNDController == "create") {
			dojo.require("dojo.dnd.TreeDragAndDrop");
			this.DNDController = new dojo.dnd.TreeDNDController(this);
		}



	},


	/**
	 * Binds controller to all tree events
	*/
	listenTree: function(tree) {
		//dojo.debug("Event "+tree.eventNames.treeClick);
		dojo.event.topic.subscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");
		dojo.event.topic.subscribe(tree.eventNames.treeClick, this, "onTreeClick");
		dojo.event.topic.subscribe(tree.eventNames.treeCreate, this, "onTreeCreate");
		dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");

		if (this.DNDController) {
			this.DNDController.listenTree(tree);
		}
	},

	unlistenTree: function(tree) {
		dojo.event.topic.unsubscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");
		dojo.event.topic.unsubscribe(tree.eventNames.treeClick, this, "onTreeClick");
		dojo.event.topic.unsubscribe(tree.eventNames.treeCreate, this, "onTreeCreate");
		dojo.event.topic.unsubscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
	},
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