TreeTimeoutIterator.js
资源名称:oa.rar [点击查看]
上传用户:kimgenplus
上传日期:2016-06-05
资源大小:20877k
文件大小:2k
源码类别:
OA系统
开发平台:
Java
- /*
- 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");
- 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 = [];
- }, {maxStackDepth:Number.POSITIVE_INFINITY, stack:null, currentParent:null, currentIndex:0, filterFunc:function () {
- return true;
- }, finishFunc:function () {
- return true;
- }, setFilter:function (func, obj) {
- this.filterFunc = func;
- this.filterObj = obj;
- }, setMaxLevel:function (level) {
- this.maxStackDepth = level - 2;
- }, forward:function (timeout) {
- var _this = this;
- if (this.timeout) {
- var tid = setTimeout(function () {
- _this.processNext();
- clearTimeout(tid);
- }, _this.timeout);
- } else {
- return this.processNext();
- }
- }, start:function (processFirst) {
- if (processFirst) {
- return this.callFunc.call(this.callObj, this.currentParent, this);
- }
- return this.processNext();
- }, processNext:function () {
- var handler;
- var _this = this;
- var found;
- var next;
- if (this.maxStackDepth == -2) {
- return;
- }
- while (true) {
- var children = this.currentParent.children;
- if (children && children.length) {
- do {
- next = children[this.currentIndex];
- } while (this.currentIndex++ < children.length && !(found = this.filterFunc.call(this.filterObj, next)));
- if (found) {
- if (next.isFolder && this.stack.length <= this.maxStackDepth) {
- this.moveParent(next, 0);
- }
- return this.callFunc.call(this.callObj, next, this);
- }
- }
- if (this.stack.length) {
- this.popParent();
- continue;
- }
- break;
- }
- return this.finishFunc.call(this.finishObj);
- }, setFinish:function (func, obj) {
- this.finishFunc = func;
- this.finishObj = obj;
- }, popParent:function () {
- var p = this.stack.pop();
- this.currentParent = p[0];
- this.currentIndex = p[1];
- }, moveParent:function (nextParent, nextIndex) {
- this.stack.push([this.currentParent, this.currentIndex]);
- this.currentParent = nextParent;
- this.currentIndex = nextIndex;
- }});