WebRoot/lib/zTree/v3/demo/en/excheck/checkbox_count.html

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<!DOCTYPE html>
<HTML>
<HEAD>
	<TITLE> ZTREE DEMO - getChangeCheckedNodes / getCheckedNodes</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 = {
			view: {
				selectedMulti: false
			},
			check: {
				enable: true
			},
			data: {
				simpleData: {
					enable: true
				}
			},
			callback: {
				onCheck: onCheck
			}
		};

		var zNodes =[
			{ id:1, pId:0, name:"can check 1", open:true},
			{ id:11, pId:1, name:"can check 1-1"},
			{ id:12, pId:1, name:"can check  1-2", open:true},
			{ id:121, pId:12, name:"can check 1-2-1", checked:true},
			{ id:122, pId:12, name:"can check 1-2-2"},
			{ id:123, pId:12, name:"can check 1-2-3"},
			{ id:13, pId:1, name:"can check 1-3"},
			{ id:2, pId:0, name:"can check 2", open:true},
			{ id:21, pId:2, name:"can check 2-1"},
			{ id:22, pId:2, name:"can check 2-2", open:true},
			{ id:221, pId:22, name:"can check 2-2-1", checked:true},
			{ id:222, pId:22, name:"can check 2-2-2"},
			{ id:223, pId:22, name:"can check 2-2-3"},
			{ id:23, pId:2, name:"can check 2-3", checked:true}
		];

		var clearFlag = false;
		function onCheck(e, treeId, treeNode) {
			count();
			if (clearFlag) {
				clearCheckedOldNodes();
			}
		}
		function clearCheckedOldNodes() {
			var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
			nodes = zTree.getChangeCheckedNodes();
			for (var i=0, l=nodes.length; i<l; i++) {