WebRoot/lib/zTree/v3/demo/en/exedit/drag.html

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<!DOCTYPE html>
<HTML>
<HEAD>
	<TITLE> ZTREE DEMO - drag & drop</TITLE>
	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<link rel="stylesheet" href="../../../css/demo.css" type="text/css">
	<link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
	<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
	<script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
	<script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script>
	<script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>
	<SCRIPT type="text/javascript">
		<!--
		var setting = {
			edit: {
				enable: true,
				showRemoveBtn: false,
				showRenameBtn: false
			},
			data: {
				simpleData: {
					enable: true
				}
			},
			callback: {
				beforeDrag: beforeDrag,
				beforeDrop: beforeDrop
			}
		};

		var zNodes =[
			{ id:1, pId:0, name:"can drag 1", open:true},
			{ id:11, pId:1, name:"can drag 1-1"},
			{ id:12, pId:1, name:"can drag 1-2", open:true},
			{ id:121, pId:12, name:"can drag 1-2-1"},
			{ id:122, pId:12, name:"can drag 1-2-2"},
			{ id:123, pId:12, name:"can drag 1-2-3"},
			{ id:13, pId:1, name:"can't drag 1-3", open:true, drag:false},
			{ id:131, pId:13, name:"can't drag 1-3-1", drag:false},
			{ id:132, pId:13, name:"can't drag 1-3-2", drag:false},
			{ id:133, pId:13, name:"can drag 1-3-3"},
			{ id:2, pId:0, name:"can drag 2", open:true},
			{ id:21, pId:2, name:"can drag 2-1"},
			{ id:22, pId:2, name:"can't drop 2-2", open:true, drop:false},
			{ id:221, pId:22, name:"can drag 2-2-1"},
			{ id:222, pId:22, name:"can drag 2-2-2"},
			{ id:223, pId:22, name:"can drag 2-2-3"},
			{ id:23, pId:2, name:"can drag 2-3"}
		];

		function beforeDrag(treeId, treeNodes) {
			for (var i=0,l=treeNodes.length; i<l; i++) {
				if (treeNodes[i].drag === false) {
					return false;
				}
			}
			return true;
		}
		function beforeDrop(treeId, treeNodes, targetNode, moveType) {
			return targetNode ? targetNode.drop !== false : true;