求大神们给个EXT4.0的动态tree的示例!
如题。。
求会extjs4.0的大神们给个动态tree的示例。。
希望详细点。~!
------解决方案--------------------
http://www.uspcat.com/portal.php
你需要的答案在这里!!
------解决方案--------------------ext\examples
------解决方案--------------------ext  doc
------解决方案--------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<link rel="stylesheet" href="ext-4/resources/css/ext-all.css" />
<link rel="stylesheet" href="ext-4/resources/css/xtheme-gray.css" />
<script type="text/javascript" src="ext-4/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-4/ext-all.js"></script>
<script type="text/javascript">
Ext.onReady(function(){
	var root=new Ext.tree.TreeNode({text:"root"});	
	var node2=new Ext.tree.TreeNode({text:"根节点2"});	
	var node3=new Ext.tree.TreeNode({text:"根节点3"});	
	var node4=new Ext.tree.TreeNode({text:"根节点4"});	
	var node1=new Ext.tree.TreeNode({text:"根节点1"});			
	node2.appendChild(node3);	
	node2.appendChild(node4);	
	root.appendChild(node2);	
	root.appendChild(node1);			
	var tree2=new Ext.tree.TreePanel({	
		title:"自定义数据",		
		width:300,		
		height:720,		
		//containerScroll:false,		
		enableDD: false,		
		frame:true,		
		draggable:false,		
		el:"tree"	
	});	
	tree2.setRootNode(root);	
	tree2.render();	
	tree2.expandAll();  
	tree2.on('contextmenu', menuShow);	
	var selectNode;	
	function menuShow ( node ) {
		treeRightMenu.show(node.ui.getAnchor());  				
		node.select();//让右击是选中当前节点
		selectNode=node;				  			
	};  	                               
	var treeRightMenu = new Ext.menu.Menu({
		id: 'treeMenuContext',                  
		items: [   				  
		{text: '添加子节点',handler:function(){
			  addNode();
			  }
		},{text: '重命名',handler:function(){
			  rename();
			  }
		},{text: '删除',handler:function(){
			  deleteNode();
			  }
		}]           
	}); 		   			 
  	function addNode(){
		Ext.MessageBox.prompt('添加子节点', '请填写分类名称:',
			function(btn, text){
				if(btn == 'ok') {
					var input = text;
					if((input != '') && (input != null)) {
						selectNode.appendChild(new Ext.tree.TreeNode({text:input}));
					}
				}
			}
		);			
	}	
	function deleteNode(){
		Ext.MessageBox.confirm('确认删除', '确认删除此分类?删除后此类别下的所有商品将被删除!',  
			function(btn){
				if(btn == 'yes') {
					selectNode.remove();
				}
			}		
		);
	}	
	function rename(){
		Ext.MessageBox.prompt('重命名', '请填写分类名称:',
			function(btn, text){
				if(btn == 'ok') {
					var input = text;
					if((input != '') && (input != null)) {
						//alert(selectNode.text);
						selectNode.setText(input);
					}
				}
			}
		);			
	}
});
</script>
</head>