/*
 * Ext JS Library 2.0.1
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * licensing@extjs.com
 *
 * http://extjs.com/license
/*----------------------------------------------------------*/
 var myNode;
 var myFNode;
function createTree(){
 

  var Tree = Ext.tree;
    var tree = new Tree.TreePanel({
        el:'tree-div',
        autoScroll:true,
        animate:true,
 
        containerScroll: true,
        rootVisible: true,
//        checkModel: 'cascade',   //对树的级联多选
//        onlyLeafCheckable: false,//对树所有结点都可选
//        animate: false,
     

  loader: new Tree.TreeLoader({

        })
    });

    var root = new Tree.AsyncTreeNode({
          iconCls: 'folder',
             text: 'china',
             draggable: false,
             id : '0'
    });
  //var orderby =new Ext.tree.TreeSorter(tree,{folderSort:true,dir : "asc",property :"order"});
  //new Ext.tree.TreeSorter(tree, {folderSort:false});
    tree.setRootNode(root);

// tree.on('click', function(node){node.toggle();});

    tree.on('beforeload', function(node) {

                tree.loader.dataUrl = 'tree.txt'; //后台获取的数据
   
                myNode=node;
                myFNode=node.parentNode;
                rootNode=root;

            });
   
 tree.on('click',
   function(node)
   {
     
    alert(node.text);
            
   }
        );
 

    tree.render();
    root.expand(); 
}
/*----------------------------------------------------------*/

Ext.onReady(function(){
 
   createTree();
 
});