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/*---------------------------------------------------------------------------*\
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| Subject: Web TreeView Class |
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| Version: 1.0 |
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| Author: 黄方荣【meizz】【梅花雪】 |
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| FileName: MzTreeView.js |
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| Created: 2004-10-18 |
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| LastModified: 2005-03-10 |
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| Download: http://www.meizz.com/Web/Download/MzTreeView10.rar |
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| Explain: http://www.meizz.com/Web/Article.asp?id=436 |
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| Demo: http://www.meizz.com/Web/Demo/MzTreeView10.htm |
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| |
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| You may use this code on your item |
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| this entire copyright notice appears unchanged |
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| and you clearly display a link to http://www.meizz.com/ |
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|-----------------------------------------------------------------------------|
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| MSN: huangfr@msn.com QQ: 112889082 http://www.meizz.com |
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| CSDN Community ID: meizz Copyright (c) 2004-2005 meizz |
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\*---------------------------------------------------------------------------*/
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//Version: 1.2
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//20:31 2007-8-25 http://www.lxasp.com
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//为了在大量数据时节省文本大小，修改了接口（请注意大小写）：
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//
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//原来： nodes["pnt_cur"]="text:结点文字;method:js函数()";
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//
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//改为： N["pnt_cur"]="T:结点文字;C:js函数()";
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//MzTreeView1.0网页树类, 在实例化的时候请把实例名作参数传递进来
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function MzTreeView(Tname)
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{
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if(typeof(Tname) != "string" || Tname == "")
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throw(new Error(-1, '创建类实例的时候请把类实例的引用变量名传递进来！'));
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//【property】
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this.url = "#";
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this.target = "_self";
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this.name = Tname;
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this.wordLine = false;
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this.currentNode = null;
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this.useArrow = true;
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this.N = {};
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this.node = {};
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this.names = "";
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this._d = "\x0f";
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this.index = 0;
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this.divider = "_";
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this.node["0"] =
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{
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"id": "0",
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"path": "0",
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"isLoad": false,
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"childNodes": [],
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"childAppend": "",
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"sourceIndex": "0"
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};
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this.colors =
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{
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"highLight" : "#0A246A",
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"highLightText" : "#FFFFFF",
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"mouseOverBgColor" : "#D4D0C8"
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};
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this.icons = {
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L0 : 'L0.gif', //┏
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L1 : 'L1.gif', //┣
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L2 : 'L2.gif', //┗
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L3 : 'L3.gif', //━
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L4 : 'L4.gif', //┃
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PM0 : 'P0.gif', //＋┏
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PM1 : 'P1.gif', //＋┣
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PM2 : 'P2.gif', //＋┗
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PM3 : 'P3.gif', //＋━
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empty : 'L5.gif', //空白图
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root : 'root.gif', //缺省的根节点图标
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folder : 'folder.gif', //缺省的文件夹图标
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file : 'file.gif', //缺省的文件图标
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exit : 'exit.gif'
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};
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this.iconsExpand = { //存放节点图片在展开时的对应图片
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PM0 : 'M0.gif', //－┏
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PM1 : 'M1.gif', //－┣
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PM2 : 'M2.gif', //－┗
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PM3 : 'M3.gif', //－━
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folder : 'fopen.gif',
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exit : 'exit.gif'
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};
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//扩展 document.getElementById(id) 多浏览器兼容性
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//id 要查找的对象 id
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this.getElementById = function(id)
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{
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if (typeof(id) != "string" || id == "") return null;
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if (document.getElementById) return document.getElementById(id);
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if (document.all) return document.all(id);
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try {return eval(id);} catch(e){ return null;}
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};
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//MzTreeView 初始化入口函数
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this.toString = function()
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{
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this.browserCheck();
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this.dataFormat();
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this.setStyle();
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this.load("0");
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var rootCN = this.node["0"].childNodes;
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var str = "<A id='"+ this.name +"_RootLink' href='#' style='DISPLAY: none'></A>";
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if(rootCN.length>0)
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{
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this.node["0"].hasChild = true;
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for(var i=0; i<rootCN.length; i++)
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str += this.nodeToHTML(rootCN[i], i==rootCN.length-1);
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setTimeout(this.name +".expand('"+ rootCN[0].id +"', true); "+
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this.name +".focusClientNode('"+ rootCN[0].id +"'); "+ this.name +".atRootIsEmpty()",10);
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}
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if (this.useArrow) //使用方向键控制跳转到上级下级父级子级节点
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{
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if (document.attachEvent)
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document.attachEvent("onkeydown", this.onkeydown);
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else if (document.addEventListener)
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document.addEventListener('keydown', this.onkeydown, false);
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}
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return "<DIV class='MzTreeView' "+
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"onclick='"+ this.name +".clickHandle(event)' "+
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"ondblclick='"+ this.name +".dblClickHandle(event)' "+
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">"+ str +"</DIV>";
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};
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this.onkeydown= function(e)
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{
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e = window.event || e; var key = e.keyCode || e.which;
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switch(key)
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{
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case 37 : eval(Tname).upperNode(); break; //Arrow left, shrink child node
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case 38 : eval(Tname).pervNode(); break; //Arrow up
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case 39 : eval(Tname).lowerNode(); break; //Arrow right, expand child node
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case 40 : eval(Tname).nextNode(); break; //Arrow down
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}
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};
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};
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//浏览器类型及版本检测
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MzTreeView.prototype.browserCheck = function()
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{
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var ua = window.navigator.userAgent.toLowerCase(), bname;
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if(/msie/i.test(ua))
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{
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this.navigator = /opera/i.test(ua) ? "opera" : "";
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if(!this.navigator) this.navigator = "msie";
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}
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else if(/gecko/i.test(ua))
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{
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var vendor = window.navigator.vendor.toLowerCase();
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if(vendor == "firefox") this.navigator = "firefox";
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else if(vendor == "netscape") this.navigator = "netscape";
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else if(vendor == "") this.navigator = "mozilla";
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}
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else this.navigator = "msie";
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if(window.opera) this.wordLine = false;
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};
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//给 TreeView 树加上样式设置
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MzTreeView.prototype.setStyle = function()
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{
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/*
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width: 16px; \
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height: 16px; \
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width: 20px; \
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height: 20px; \
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*/
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var style = "<style>"+
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"DIV.MzTreeView DIV IMG{border: 0px solid #FFFFFF;}"+
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"DIV.MzTreeView DIV SPAN IMG{border: 0px solid #FFFFFF;}";
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if(this.wordLine)
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{
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style +="\n DIV.MzTreeView DIV\n {\n height: 20px;"+
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(this.navigator=="firefox" ? "line-height: 20px;" : "" ) +
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(this.navigator=="netscape" ? "" : "overflow: hidden;" ) +"\n }\n DIV.MzTreeView DIV SPAN\n {\n vertical-align: middle; font-size: 21px; height: 20px; color: #D4D0C8; cursor: default;\n }\n DIV.MzTreeView DIV SPAN.pm\n {\n width: "+ (this.navigator=="msie"||this.navigator=="opera" ? "11" : "9") +"px;\n height: "+ (this.navigator=="netscape"?"9":(this.navigator=="firefox"?"10":"11")) +"px;\n font-size: 7pt;\n overflow: hidden;\n margin-left: -16px;\n margin-right: 5px;\n color: #000080; \n vertical-align: middle;\n border: 1px solid #D4D0C8;\n cursor: "+ (this.navigator=="msie" ? "hand" : "pointer") +";\n padding: 0 2px 0 2px;\n text-align: center;\n background-color: #F0F0F0;\n }";
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}
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style += "<\/style>";
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document.write(style);
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};
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//当根节点为空的时候做的处理
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MzTreeView.prototype.atRootIsEmpty = function()
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{
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var RCN = this.node["0"].childNodes;
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for(var i=0; i<RCN.length; i++)
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{
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if(!RCN[i].isLoad) this.expand(RCN[i].id);
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if (RCN[i].T=="")
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{
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var node = RCN[i].childNodes[0], HCN = node.hasChild;
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if(this.wordLine)
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{
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var span = this.getElementById(this.name +"_tree_"+ node.id);
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span = span.childNodes[0].childNodes[0].childNodes[0];
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span.innerHTML = RCN[i].childNodes.length>1 ? "┌" : "─";
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}
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else
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{
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node.iconExpand = RCN[i].childNodes.length>1 ? HCN ? "PM0" : "L0" : HCN ? "PM3" : "L3";
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this.getElementById(this.name +"_expand_"+ node.id).src = this.icons[node.iconExpand].src;
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}
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}
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}
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};
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//初始化数据源里的数据以便后面的快速检索
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MzTreeView.prototype.dataFormat = function()
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{
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var a = new Array();
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for (var id in this.N) a[a.length] = id;
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this.names = a.join(this._d + this._d);
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this.totalNode = a.length; a = null;
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};
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//在数据源检索所需的数据节点
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//id 客户端节点对应的id
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MzTreeView.prototype.load = function(id)
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{
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var node = this.node[id], d = this.divider, _d = this._d;
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var sid = node.sourceIndex.substr(node.sourceIndex.indexOf(d) + d.length);
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var reg = new RegExp("(^|"+_d+")"+ sid +d+"[^"+_d+d +"]+("+_d+"|$)", "g");
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var cns = this.names.match(reg), tcn = this.node[id].childNodes; if (cns){
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reg = new RegExp(_d, "g"); for (var i=0; i<cns.length; i++)
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tcn[tcn.length] = this.nodeInit(cns[i].replace(reg, ""), id); }
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node.isLoad = true;
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};
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//初始化节点信息, 根据 this.N 数据源生成节点的详细信息
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//sourceIndex 数据源中的父子节点组合的字符串 0_1
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//parentId 当前树节点在客户端的父节点的 id
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MzTreeView.prototype.nodeInit = function(sourceIndex, parentId)
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{
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this.index++;
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var source= this.N[sourceIndex], d = this.divider;
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var T = this.getAttribute(source, "T");
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var hint = this.getAttribute(source, "hint");
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var ctrl = this.getAttribute(source, "ctrl"); //Rexliu modify on 2007-1-23 13:50
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var checked = this.getAttribute(source, "checked"); //Rexliu modifty on 2007-1-23 14:27
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var sid = sourceIndex.substr(sourceIndex.indexOf(d) + d.length);
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this.node[this.index] =
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{
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"id" : this.index,
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"T" : T,
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"hint" : hint ? hint : T,
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"icon" : this.getAttribute(source, "icon"),
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"path" : this.node[parentId].path + d + this.index,
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"isLoad": false,
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"isExpand": false,
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"parentId": parentId,
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"parentNode": this.node[parentId],
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"sourceIndex" : sourceIndex,
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"childAppend" : "",
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"ctrl" : ctrl, //Rexliu modify on 2007-1-23 13:52
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"checked" : checked //Rexliu modify on 2007-1-23 14:28
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};
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this.N[sourceIndex] = "index:"+ this.index +";"+ source;
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this.node[this.index].hasChild = this.names.indexOf(this._d + sid + d)>-1;
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if(this.node[this.index].hasChild) this.node[this.index].childNodes = [];
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return this.node[this.index];
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};
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//从XML格式字符串里提取信息
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//source 数据源里的节点信息字符串(以后可以扩展对XML的支持)
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//name 要提取的属性名
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MzTreeView.prototype.getAttribute = function(source, name)
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{
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var reg = new RegExp("(^|;|\\s)"+ name +"\\s*:\\s*([^;]*)(\\s|;|$)", "i");
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if (reg.test(source)) return RegExp.$2.replace(/[\x0f]/g, ";"); return "";
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};
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//根据节点的详细信息生成HTML
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//node 树在客户端的节点对象
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//AtEnd 布尔值 当前要转换的这个节点是否为父节点的子节点集中的最后一项
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MzTreeView.prototype.nodeToHTML = function(node, AtEnd)
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{
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var source = this.N[node.sourceIndex];
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var target = this.getAttribute(source, "target");
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var data = this.getAttribute(source, "data");
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var url = this.getAttribute(source, "url");
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if(!url) url = this.url;
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if(data) url += (url.indexOf("?")==-1?"?":"&") + data;
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if(!target) target = this.target;
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var id = node.id;
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var HCN = node.hasChild, isRoot = node.parentId=="0";
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if(isRoot && node.icon=="") node.icon = "root";
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if(node.icon=="" || typeof(this.icons[node.icon])=="undefined")
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node.icon = HCN ? "folder" : "file";
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node.iconExpand = AtEnd ? "└" : "├";
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//20:03 2007-8-25 可以加自定义的HTML表格到每一项，这是表头部分，在外部定义方法如下：
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//var MzTreeViewTH="<table class='MzTreeViewRow'><tr><td class='MzTreeViewCell0'>";
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var HTMTH="";
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try {
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if ( typeof MzTreeViewTH != "undefined" ) HTMTH=MzTreeViewTH;
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} catch(e){}
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var HTML = "<DIV noWrap='True'><NOBR>"+HTMTH;
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if(!isRoot)
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{
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node.childAppend = node.parentNode.childAppend + (AtEnd ? " " : "│");
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if(this.wordLine)
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{
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HTML += "<SPAN>"+ node.parentNode.childAppend + (AtEnd ? "└" : "├") +"</SPAN>";
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if(HCN) HTML += "<SPAN class='pm' id='"+ this.name +"_expand_"+ id +"'>+</SPAN>";
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}
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else
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{
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node.iconExpand = HCN ? AtEnd ? "PM2" : "PM1" : AtEnd ? "L2" : "L1";
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HTML += "<SPAN>"+ this.word2image(node.parentNode.childAppend) +"<IMG "+
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"align='absmiddle' id='"+ this.name +"_expand_"+ id +"' "+
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"src='"+ this.icons[node.iconExpand].src +"' style='cursor: "+ (!node.hasChild ? "":
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(this.navigator=="msie"||this.navigator=="opera"? "hand" : "pointer")) +"'></SPAN>";
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}
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}
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//取当前结点的外部ID
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var sid = node.sourceIndex.substr(node.sourceIndex.indexOf(this.divider) + this.divider.length);
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//2:06 2007-8-25 增加checkbox控件，修正是否选中问题
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var HTMCHK="",HTMCHKED="";
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if (node.checked=='true'||node.checked=='1') HTMCHKED="checked='checked'";
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if( node.ctrl.length > 0 ) HTMCHK = "<input type='checkbox' name='"+ node.ctrl +"' value='"+ sid +
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"' id='"+ this.name +"_checbox_"+ id +"' style='height:15px;'"+
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" onclick=\""+ this.name +".checkChild('"+ id +"')\" "+ HTMCHKED +">"; //Rexliu add on 2007-1-23 14:29
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//20:04 2007-8-25 可以加自定义的HTML表格到每一项，这是单元格部分，在外部定义方法如下：
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//var MzTreeViewTD="\"</td><td class='MzTreeViewCell1'>\"+ sid +\"</td></tr></table>\"";
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//注意字符串格式，要与前面的表头对应
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var HTMTD="";
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try {
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if ( typeof MzTreeViewTD != "undefined" ) HTMTD=eval(MzTreeViewTD);
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} catch(e){}
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HTML += "<IMG "+
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"align='absMiddle' "+
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"id='"+ this.name +"_icon_"+ id +"' "+
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"src='"+ this.icons[node.icon].src +"'>" + HTMCHK + "<A "+
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"class='MzTreeview' hideFocus "+
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|
|
"id='"+ this.name +"_link_"+ id +"' "+
|
|
|
"href='"+ url +"' "+
|
|
|
"target='"+ target +"' "+
|
|
|
"title='"+ node.hint +"' "+
|
|
|
"onfocus=\""+ this.name +".focusLink('"+ id +"')\" "+
|
|
|
"onclick=\"return "+ this.name +".nodeClick('"+ id +"')\">"+ node.T +
|
|
|
"</A>"+ HTMTD +"</NOBR></DIV>";
|
|
|
if(isRoot && node.T=="") HTML = "";
|
|
|
|
|
|
HTML = "\r\n<SPAN id='"+ this.name +"_tree_"+ id +"'>"+ HTML ;
|
|
|
HTML +="<SPAN style='DISPLAY: none'></SPAN></SPAN>";
|
|
|
return HTML;
|
|
|
};
|
|
|
|
|
|
//在使用图片的时候对 node.childAppend 的转换
|
|
|
MzTreeView.prototype.word2image = function(word)
|
|
|
{
|
|
|
var str = "";
|
|
|
for(var i=0; i<word.length; i++)
|
|
|
{
|
|
|
var img = "";
|
|
|
switch (word.charAt(i))
|
|
|
{
|
|
|
case "│" : img = "L4"; break;
|
|
|
case "└" : img = "L2"; break;
|
|
|
case " " : img = "empty"; break;
|
|
|
case "├" : img = "L1"; break;
|
|
|
case "─" : img = "L3"; break;
|
|
|
case "┌" : img = "L0"; break;
|
|
|
}
|
|
|
if(img!="")
|
|
|
str += "<IMG align='absMiddle' src='"+ this.icons[img].src +"' height='20'>";
|
|
|
}
|
|
|
return str;
|
|
|
};
|
|
|
|
|
|
|
|
|
//将某个节点下的所有子节点转化成详细的<HTML>元素表达
|
|
|
//id 树的客户端节点 id
|
|
|
MzTreeView.prototype.buildNode = function(id)
|
|
|
{
|
|
|
if(this.node[id].hasChild)
|
|
|
{
|
|
|
var tcn = this.node[id].childNodes, str = "";
|
|
|
for (var i=0; i<tcn.length; i++)
|
|
|
str += this.nodeToHTML(tcn[i], i==tcn.length-1);
|
|
|
var temp = this.getElementById(this.name +"_tree_"+ id).childNodes;
|
|
|
temp[temp.length-1].innerHTML = str;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
//聚集到客户端生成的某个节点上
|
|
|
//id 客户端树节点的id
|
|
|
MzTreeView.prototype.focusClientNode = function(id)
|
|
|
{
|
|
|
try {
|
|
|
|
|
|
if(!this.currentNode) this.currentNode=this.node["0"];
|
|
|
var a = this.getElementById(this.name +"_link_"+ id); if(a){ a.focus();
|
|
|
var link = this.getElementById(this.name +"_link_"+ this.currentNode.id);
|
|
|
if(link)with(link.style){color=""; backgroundColor="";}
|
|
|
with(a.style){color = this.colors.highLightText;
|
|
|
backgroundColor = this.colors.highLight;}
|
|
|
this.currentNode= this.node[id];}
|
|
|
|
|
|
} catch(e){}
|
|
|
|
|
|
};
|
|
|
|
|
|
//焦点聚集到树里的节点链接时的处理
|
|
|
//id 客户端节点 id
|
|
|
MzTreeView.prototype.focusLink= function(id)
|
|
|
{
|
|
|
if(this.currentNode && this.currentNode.id==id) return;
|
|
|
this.focusClientNode(id);
|
|
|
};
|
|
|
|
|
|
//点击展开树节点的对应方法
|
|
|
MzTreeView.prototype.expand = function(id, sureExpand)
|
|
|
{
|
|
|
var node = this.node[id];
|
|
|
if (sureExpand && node.isExpand) return;
|
|
|
if (!node.hasChild) return;
|
|
|
var area = this.getElementById(this.name +"_tree_"+ id);
|
|
|
if (area) area = area.childNodes[area.childNodes.length-1];
|
|
|
if (area)
|
|
|
{
|
|
|
var icon = this.icons[node.icon];
|
|
|
var iconE = this.iconsExpand[node.icon];
|
|
|
var Bool = node.isExpand = sureExpand || area.style.display == "none";
|
|
|
var img = this.getElementById(this.name +"_icon_"+ id);
|
|
|
if (img) img.src = !Bool ? icon.src :typeof(iconE)=="undefined" ? icon.src : iconE.src;
|
|
|
var exp = this.icons[node.iconExpand];
|
|
|
var expE = this.iconsExpand[node.iconExpand];
|
|
|
var expand= this.getElementById(this.name +"_expand_"+ id);
|
|
|
if (expand)
|
|
|
{
|
|
|
if(this.wordLine) expand.innerHTML = !Bool ? "+" : "-";
|
|
|
else expand.src = !Bool ? exp.src : typeof(expE) =="undefined" ? exp.src : expE.src;
|
|
|
}
|
|
|
if(!Bool && this.currentNode.path.indexOf(node.path)==0 && this.currentNode.id!=id)
|
|
|
{
|
|
|
try{this.getElementById(this.name +"_link_"+ id).click();}
|
|
|
catch(e){this.focusClientNode(id);}
|
|
|
}
|
|
|
area.style.display = !Bool ? "none" : "block";//(this.navigator=="netscape" ? "block" : "");
|
|
|
if(!node.isLoad)
|
|
|
{
|
|
|
this.load(id);
|
|
|
if(node.id=="0") return;
|
|
|
|
|
|
//当子节点过多时, 给用户一个正在加载的提示语句
|
|
|
if(node.hasChild && node.childNodes.length>200)
|
|
|
{
|
|
|
setTimeout(this.name +".buildNode('"+ id +"')", 1);
|
|
|
var temp = this.getElementById(this.name +"_tree_"+ id).childNodes;
|
|
|
temp[temp.length-1].innerHTML = "<DIV noWrap><NOBR><SPAN>"+ (this.wordLine ?
|
|
|
node.childAppend +"└" : this.word2image(node.childAppend +"└")) +"</SPAN>"+
|
|
|
"<IMG border='0' height='16' align='absmiddle' src='"+this.icons["file"].src+"'>"+
|
|
|
"<A style='background-Color: "+ this.colors.highLight +"; color: "+
|
|
|
this.colors.highLightText +"; font-size: 9pt'>请稍候...</A></NOBR></DIV>";
|
|
|
}
|
|
|
else this.buildNode(id);
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
//节点链接单击事件处理方法
|
|
|
//id 客户端树节点的 id
|
|
|
MzTreeView.prototype.nodeClick = function(id)
|
|
|
{
|
|
|
var source = this.N[this.node[id].sourceIndex];
|
|
|
eval(this.getAttribute(source, "C"));
|
|
|
return !(!this.getAttribute(source, "url") && this.url=="#");
|
|
|
};
|
|
|
|
|
|
//为配合系统初始聚集某节点而写的函数, 得到某节点在数据源里的路径
|
|
|
//sourceId 数据源里的节点 id
|
|
|
MzTreeView.prototype.getPath= function(sourceId)
|
|
|
{
|
|
|
|
|
|
Array.prototype.indexOf = function(item)
|
|
|
{
|
|
|
for(var i=0; i<this.length; i++)
|
|
|
{
|
|
|
if(this[i]==item) return i;
|
|
|
}
|
|
|
return -1;
|
|
|
};
|
|
|
var _d = this._d, d = this.divider;
|
|
|
var A = new Array(), id=sourceId; A[0] = id;
|
|
|
while(id!="0" && id!="")
|
|
|
{
|
|
|
var str = "(^|"+_d+")([^"+_d+d+"]+"+d+ id +")("+_d+"|$)";
|
|
|
if (new RegExp(str).test(this.names))
|
|
|
{
|
|
|
id = RegExp.$2.substring(0, RegExp.$2.indexOf(d));
|
|
|
if(A.indexOf(id)>-1) break;
|
|
|
A[A.length] = id;
|
|
|
}
|
|
|
else break;
|
|
|
}
|
|
|
return A.reverse();
|
|
|
};
|
|
|
|
|
|
//在源代码里指定 MzTreeView 初始聚集到某个节点
|
|
|
//sourceId 节点在数据源里的 id
|
|
|
MzTreeView.prototype.focus = function(sourceId, defer)
|
|
|
{
|
|
|
try {
|
|
|
|
|
|
if (!defer)
|
|
|
{
|
|
|
setTimeout(this.name +".focus('"+ sourceId +"', true)", 100);
|
|
|
return;
|
|
|
}
|
|
|
var path = this.getPath(sourceId);
|
|
|
if(path[0]!="0")
|
|
|
{
|
|
|
alert("节点 "+ sourceId +" 没有正确的挂靠有效树节点上！\r\n"+
|
|
|
"节点 id 序列 = "+ path.join(this.divider));
|
|
|
return;
|
|
|
}
|
|
|
var root = this.node["0"], len = path.length;
|
|
|
for(var i=1; i<len; i++)
|
|
|
{
|
|
|
if(root.hasChild)
|
|
|
{
|
|
|
var sourceIndex= path[i-1] + this.divider + path[i];
|
|
|
for (var k=0; k<root.childNodes.length; k++)
|
|
|
{
|
|
|
if (root.childNodes[k].sourceIndex == sourceIndex)
|
|
|
{
|
|
|
root = root.childNodes[k];
|
|
|
if(i<len - 1) this.expand(root.id, true);
|
|
|
else this.focusClientNode(root.id);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}catch(e){}
|
|
|
|
|
|
};
|
|
|
|
|
|
//树的单击事件处理函数
|
|
|
MzTreeView.prototype.clickHandle = function(e)
|
|
|
{
|
|
|
e = window.event || e; e = e.srcElement || e.target;
|
|
|
//alert(e.tagName)
|
|
|
switch(e.tagName)
|
|
|
{
|
|
|
case "IMG" :
|
|
|
if(e.id)
|
|
|
{
|
|
|
if(e.id.indexOf(this.name +"_icon_")==0)
|
|
|
this.focusClientNode(e.id.substr(e.id.lastIndexOf("_") + 1));
|
|
|
else if (e.id.indexOf(this.name +"_expand_")==0)
|
|
|
this.expand(e.id.substr(e.id.lastIndexOf("_") + 1));
|
|
|
}
|
|
|
break;
|
|
|
case "A" :
|
|
|
if(e.id) this.focusClientNode(e.id.substr(e.id.lastIndexOf("_") + 1));
|
|
|
break;
|
|
|
case "SPAN" :
|
|
|
if(e.className=="pm")
|
|
|
this.expand(e.id.substr(e.id.lastIndexOf("_") + 1));
|
|
|
break;
|
|
|
default :
|
|
|
if(this.navigator=="netscape") e = e.parentNode;
|
|
|
if(e.tagName=="SPAN" && e.className=="pm")
|
|
|
this.expand(e.id.substr(e.id.lastIndexOf("_") + 1));
|
|
|
break;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
//MzTreeView 双击事件的处理函数
|
|
|
MzTreeView.prototype.dblClickHandle = function(e)
|
|
|
{
|
|
|
e = window.event || e; e = e.srcElement || e.target;
|
|
|
if((e.tagName=="A" || e.tagName=="IMG")&& e.id)
|
|
|
{
|
|
|
var id = e.id.substr(e.id.lastIndexOf("_") + 1);
|
|
|
if(this.node[id].hasChild) this.expand(id);
|
|
|
}
|
|
|
};
|
|
|
|
|
|
//回到树当前节点的父层节点
|
|
|
MzTreeView.prototype.upperNode = function()
|
|
|
{
|
|
|
if(!this.currentNode) return;
|
|
|
if(this.currentNode.id=="0" || this.currentNode.parentId=="0") return;
|
|
|
if (this.currentNode.hasChild && this.currentNode.isExpand)
|
|
|
this.expand(this.currentNode.id, false);
|
|
|
else this.focusClientNode(this.currentNode.parentId);
|
|
|
};
|
|
|
|
|
|
//展开当前节点并
|
|
|
MzTreeView.prototype.lowerNode = function()
|
|
|
{
|
|
|
if (!this.currentNode) this.currentNode = this.node["0"];
|
|
|
if (this.currentNode.hasChild)
|
|
|
{
|
|
|
if (this.currentNode.isExpand)
|
|
|
this.focusClientNode(this.currentNode.childNodes[0].id);
|
|
|
else this.expand(this.currentNode.id, true);
|
|
|
}
|
|
|
};
|
|
|
|
|
|
//聚集到树当前节点的上一节点
|
|
|
MzTreeView.prototype.pervNode = function()
|
|
|
{
|
|
|
if(!this.currentNode) return; var e = this.currentNode;
|
|
|
if(e.id=="0") return; var a = this.node[e.parentId].childNodes;
|
|
|
for(var i=0; i<a.length; i++){if(a[i].id==e.id){if(i>0){e=a[i-1];
|
|
|
while(e.hasChild){this.expand(e.id, true);
|
|
|
e = e.childNodes[e.childNodes.length - 1];}
|
|
|
this.focusClientNode(e.id); return;} else {
|
|
|
this.focusClientNode(e.parentId); return;}}}
|
|
|
};
|
|
|
|
|
|
//聚集到树当前节点的下一节点
|
|
|
MzTreeView.prototype.nextNode = function()
|
|
|
{
|
|
|
var e = this.currentNode; if(!e) e = this.node["0"];
|
|
|
if (e.hasChild){this.expand(e.id, true);
|
|
|
this.focusClientNode(e.childNodes[0].id); return;}
|
|
|
while(typeof(e.parentId)!="undefined"){
|
|
|
var a = this.node[e.parentId].childNodes;
|
|
|
for(var i=0; i<a.length; i++){ if(a[i].id==e.id){
|
|
|
if(i<a.length-1){this.focusClientNode(a[i+1].id); return;}
|
|
|
else e = this.node[e.parentId];}}}
|
|
|
};
|
|
|
|
|
|
//展开树的所有节点
|
|
|
MzTreeView.prototype.expandAll = function()
|
|
|
{
|
|
|
if(this.totalNode>500) if(
|
|
|
confirm("您是否要停止展开全部节点？\r\n\r\n节点过多！展开很耗时")) return;
|
|
|
if(this.node["0"].childNodes.length==0) return;
|
|
|
var e = this.node["0"].childNodes[0];
|
|
|
var isdo = t = false;
|
|
|
while(e.id != "0")
|
|
|
{
|
|
|
var p = this.node[e.parentId].childNodes, pn = p.length;
|
|
|
if(p[pn-1].id==e.id && (isdo || !e.hasChild)){e=this.node[e.parentId]; isdo = true;}
|
|
|
else
|
|
|
{
|
|
|
if(e.hasChild && !isdo)
|
|
|
{
|
|
|
this.expand(e.id, true), t = false;
|
|
|
for(var i=0; i<e.childNodes.length; i++)
|
|
|
{
|
|
|
if(e.childNodes[i].hasChild){e = e.childNodes[i]; t = true; break;}
|
|
|
}
|
|
|
if(!t) isdo = true;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
isdo = false;
|
|
|
for(var i=0; i<pn; i++)
|
|
|
{
|
|
|
if(p[i].id==e.id) {e = p[i+1]; break;}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
//本树将要用动的图片的字义及预载函数
|
|
|
//path 图片存放的路径名
|
|
|
MzTreeView.prototype.setIconPath = function(path)
|
|
|
{
|
|
|
var k = 0, d = new Date().getTime();
|
|
|
for(var i in this.icons)
|
|
|
{
|
|
|
var tmp = this.icons[i];
|
|
|
this.icons[i] = new Image();
|
|
|
this.icons[i].src = path + tmp;
|
|
|
if(k==9 && (new Date().getTime()-d)>200)
|
|
|
this.wordLine = true; k++;
|
|
|
}
|
|
|
for(var i in this.iconsExpand)
|
|
|
{
|
|
|
var tmp = this.iconsExpand[i];
|
|
|
this.iconsExpand[i]=new Image();
|
|
|
this.iconsExpand[i].src = path + tmp;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
//设置树的默认链接
|
|
|
//url 默认链接 若不设置, 其初始值为 #
|
|
|
MzTreeView.prototype.setURL = function(url){this.url = url;};
|
|
|
|
|
|
//设置树的默认的目标框架名 target
|
|
|
//target 目标框架名 若不设置, 其初始值为 _self
|
|
|
MzTreeView.prototype.setTarget = function(target){this.target = target;};
|
|
|
|
|
|
//
|
|
|
//用代码虚拟单击(内部过程一般不要外部调用)
|
|
|
//1:27 2007-8-25
|
|
|
MzTreeView.prototype.focusClickNode = function(id)
|
|
|
{
|
|
|
try {
|
|
|
|
|
|
if(!this.currentNode) this.currentNode=this.node["0"];
|
|
|
var a = this.getElementById(this.name +"_link_"+ id); if(a){ a.focus();
|
|
|
var link = this.getElementById(this.name +"_link_"+ this.currentNode.id);
|
|
|
if(link)with(link.style){color=""; backgroundColor="";}
|
|
|
with(a.style){color = this.colors.highLightText;
|
|
|
backgroundColor = this.colors.highLight;}
|
|
|
this.currentNode= this.node[id];
|
|
|
this.nodeClick(id);
|
|
|
}
|
|
|
|
|
|
} catch(e){}
|
|
|
|
|
|
};
|
|
|
//用代码虚拟单击(请调用此过程)例如 tree.Click(2201)
|
|
|
//1:24 2007-8-25
|
|
|
MzTreeView.prototype.Click = function(sourceId, defer)
|
|
|
{
|
|
|
try {
|
|
|
|
|
|
if (!defer)
|
|
|
{
|
|
|
setTimeout(this.name +".Click('"+ sourceId +"', true)", 100);
|
|
|
return;
|
|
|
}
|
|
|
var path = this.getPath(sourceId);
|
|
|
if(path[0]!="0")
|
|
|
{
|
|
|
alert("节点 "+ sourceId +" 没有正确的挂靠有效树节点上！\r\n"+
|
|
|
"节点 id 序列 = "+ path.join(this.divider));
|
|
|
return;
|
|
|
}
|
|
|
var root = this.node["0"], len = path.length;
|
|
|
for(var i=1; i<len; i++)
|
|
|
{
|
|
|
if(root.hasChild)
|
|
|
{
|
|
|
var sourceIndex= path[i-1] + this.divider + path[i];
|
|
|
for (var k=0; k<root.childNodes.length; k++)
|
|
|
{
|
|
|
if (root.childNodes[k].sourceIndex == sourceIndex)
|
|
|
{
|
|
|
root = root.childNodes[k];
|
|
|
if(i<len - 1) this.expand(root.id, true);
|
|
|
else this.focusClickNode(root.id);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}catch(e){}
|
|
|
};
|
|
|
|
|
|
//checkbox单击后的相应处理
|
|
|
//REXLIU ADD ON 2007-1-24 15:29
|
|
|
MzTreeView.prototype.checkChild = function(id)
|
|
|
{
|
|
|
this.selChild(id);
|
|
|
this.selParent(id);
|
|
|
};
|
|
|
|
|
|
MzTreeView.prototype.selParent = function(id)
|
|
|
{
|
|
|
var tcn = this.node[id];
|
|
|
if(tcn.parentId != "0")
|
|
|
{
|
|
|
var pnode = tcn.parentNode;
|
|
|
var isChecked = false;
|
|
|
for(var i=0; i<pnode.childNodes.length; i++)
|
|
|
{
|
|
|
//取子CHECKBOX
|
|
|
var ckboxID = this.name +"_checbox_"+ pnode.childNodes[i].id;
|
|
|
var ckbox = this.getElementById(ckboxID);
|
|
|
if(ckbox.checked)
|
|
|
{
|
|
|
isChecked = true;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
var pckboxid = this.name +"_checbox_"+ pnode.id;
|
|
|
var pckbox = this.getElementById(pckboxid);
|
|
|
pckbox.checked = isChecked;
|
|
|
this.selParent(pnode.id);
|
|
|
}
|
|
|
};
|
|
|
|
|
|
MzTreeView.prototype.selChild = function(id)
|
|
|
{
|
|
|
var tcn = this.node[id];
|
|
|
//处理子节点
|
|
|
if(tcn.hasChild)
|
|
|
{
|
|
|
for(var i=0; i<tcn.childNodes.length; i++)
|
|
|
{
|
|
|
//取父CHECKBOX
|
|
|
var pckboxID = this.name +"_checbox_"+ id;
|
|
|
var pckbox = this.getElementById(pckboxID);
|
|
|
//取子CHECKBOX
|
|
|
var ckboxID = this.name +"_checbox_"+ this.node[id].childNodes[i].id;
|
|
|
var ckbox = this.getElementById(ckboxID);
|
|
|
ckbox.checked = pckbox.checked;
|
|
|
this.selChild(this.node[id].childNodes[i].id);
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
// -->
|