js4cnltreemenu.js

java treeview 另一种做树型目录的方法

/*****************************
JavaScript Code for CNLTreeMenu
Version: Ver 1.02
Author : CNLei, 枫岩
E-Mail : [e-mail]
MySite : http://www.cnlei.net
Passed : XHtml 1.0, CSS 2.0, IE5.0+, FF1.0+, Opera8.5+
Update : 2006-2-12
*****************************/
function Ob(o){
 var o=document.getElementById(o)?document.getElementById(o):o;
 return o;
}
function Hd(o) {
 Ob(o).style.display="none";
}
function Sw(o) {
 Ob(o).style.display="";
}
function ExCls(o,a,b,n){
 var o=Ob(o);
 for(i=0;i<n;i++) {o=o.parentNode;}
 o.className=o.className==a?b:a;
}
function CNLTreeMenu(id,TagName0) {
  this.id=id;
  this.TagName0=TagName0==""?"li":TagName0;
  this.AllNodes = Ob(this.id).getElementsByTagName(TagName0);
  this.InitCss = function (ClassName0,ClassName1,ClassName2,ImgUrl) {
  this.ClassName0=ClassName0;
  this.ClassName1=ClassName1;
  this.ClassName2=ClassName2;
  this.ImgUrl=ImgUrl || "css/s.gif";
  this.ImgBlankA ="<img src=\""+this.ImgUrl+"\" class=\"s\" onclick=\"ExCls(this,'"+ClassName0+"','"+ClassName1+"',1);\" alt=\"展开/折叠\" />";
  this.ImgBlankB ="<img src=\""+this.ImgUrl+"\" class=\"s\" />";
  for (i=0;i<this.AllNodes.length;i++ ) {
   this.AllNodes[i].className==""?this.AllNodes[i].className=ClassName1:"";
   this.AllNodes[i].innerHTML=(this.AllNodes[i].className==ClassName2?this.ImgBlankB:this.ImgBlankA)+this.AllNodes[i].innerHTML;
   }
 }
 this.SetNodes = function (n) {
  var sClsName=n==0?this.ClassName0:this.ClassName1;
  for (i=0;i<this.AllNodes.length;i++ ) {
   this.AllNodes[i].className==this.ClassName2?"":this.AllNodes[i].className=sClsName;
  }
 }
}