Tree_二

//节点移动限制判断
	function itemTreeCheckItemAcceptance(node,source) {
		    var sourceItemLevel;
			source.forInSelectedItems(function(item){
				sourceItemLevel = item.data.item.level;//这里可得到源节点的item中的值
			});

			var item = dijit.getEnclosingWidget(node).item;//目标节点

			/*if (item && (item.root || myStore.hasAttribute(item,"numberOfItems"))){
			        //myStore.hasAttribute(item,"numberOfItems")判断节点中是否有numberOfItems这个属性
				return true;
			}*/

			//console.log();
			if (item && item.level <= 2 && parseInt(item.level) != parseInt(sourceItemLevel)){
				return true;
			}
			return false;
		}

	//添加结节
	function addItem(){
		//console.log(lastSelected)//记录已选择的节点,可在节点的单击事件中设置
		if(!lastSelected) {alert("请选择一个类别!!");return;}
		else if(lastSelected.level == 3){alert("只能在类别中添加联系人!!");return;}
		var pInfo = {
			parent: lastSelected,
			attribute: "children"
		};
		//添加的动作
		myStore.newItem({name: "abc", department : "abc", level : (parseInt(lastSelected.level)+1) ,id:globalId++}/* 这个是item的属性 */, pInfo);
	}