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


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


/**
 * Iterates the tree processNext
 * filterFunc/filterObj called to determine if I need to pass the node
 * 
 * callFunc/callObj called to process the node
 *    callObj.callFunc(elem, iterator) should call iterator.forward() to go on
 *    callFunc may change elem to another object (e.g create widget from it),
 *       keeping its parent and parent position are untouched *
 *
 * finishFunc/finishObj called at the end
 *
 * TODO: it should work only sync-way to solve CPU-hungry tasks 
 */
 dojo.declare(
 	"dojo.widget.TreeTimeoutIterator",
 	null,
 	
function(elem, callFunc, callObj) {
	var _this = this;
	
	this.currentParent = elem;
	
	this.callFunc = callFunc;
	this.callObj = callObj ? callObj: this;
	this.stack = [];	
},

{
	// public
	maxStackDepth: Number.POSITIVE_INFINITY,
	
	stack: null,
	currentParent: null,
		
	currentIndex: 0,
	
	filterFunc: function() { return true },
	
	finishFunc: function() { return true },
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