Ext.define("CategoryTreeModel",{
	extend: 'Ext.data.Model',
	fields:[{name:"id",mapping:"data"},{name:"text",mapping:"text"},{name:"leaf",mapping:"leaf"}]
});

Ext.define("ast.ast1949.util.Tree",{
	extend:"Ext.tree.Panel",
	initComponent:function(){
		var store=Ext.create("Ext.data.TreeStore",{
			nodeParam:"parentCode",
			defaultRootId:this.getRootCode(),
			model:this.getTreeModel(),
			proxy:{
				type:"ajax",
				url:this.getQueryUrl(),
				reader: {
					type: 'json',
					root: 'records'
				}
			},
			root:{
				expanded:this.getRootexpanded(),
				text:'所有类别'
			}
		});

		var c={
			store: store
		}

		Ext.applyIf(this,c);

		this.callParent();
	},
	rootCode:"",
	treeModel:"CategoryTreeModel",
	queryUrl:Context.ROOT+"/path/to/tree/node.htm",
	rootexpanded:false,
	config:{
		queryUrl:null,
		rootCode:null,
		treeModel:"CategoryTreeModel",
		rootexpanded:false
	}
});