| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172 | <!DOCTYPE html><HTML><HEAD>	<TITLE> ZTREE DEMO - beforeCheck / onCheck</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.js"></script>	<script type="text/javascript" src="../../../js/jquery.ztree.excheck.js"></script>	<!--	<script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>	-->	<SCRIPT type="text/javascript">		<!--		var setting = {			view: {				selectedMulti: false			},			check: {				enable: true			},			data: {				simpleData: {					enable: true				}			},			callback: {				beforeCheck: beforeCheck,				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"},			{ id:122, pId:12, name:"can check 1-2-2"},			{ id:2, pId:0, name:"can't check 2", open:true, doCheck:false},			{ id:21, pId:2, name:"can't check 2-1", doCheck:false},			{ id:22, pId:2, name:"can't check 2-2", checked:true, open:true, doCheck:false},			{ id:221, pId:22, name:"can't chk 2-2-1", doCheck:false},			{ id:222, pId:22, name:"can't chk 2-2-2", checked:true, doCheck:false},			{ id:23, pId:2, name:"can't check 2-3", doCheck:false}		];				var code, log, className = "dark";		function beforeCheck(treeId, treeNode) {			className = (className === "dark" ? "":"dark");			showLog("[ "+getTime()+" beforeCheck ]    " + treeNode.name );			return (treeNode.doCheck !== false);		}		function onCheck(e, treeId, treeNode) {			showLog("[ "+getTime()+" onCheck ]    " + treeNode.name );		}				function showLog(str) {			if (!log) log = $("#log");			log.append("<li class='"+className+"'>"+str+"</li>");			if(log.children("li").length > 6) {				log.get(0).removeChild(log.children("li")[0]);			}		}		function getTime() {			var now= new Date(),			h=now.getHours(),			m=now.getMinutes(),			s=now.getSeconds(),			ms=now.getMilliseconds();			return (h+":"+m+":"+s+ " " +ms);		}		function checkNode(e) {			var zTree = $.fn.zTree.getZTreeObj("treeDemo"),			type = e.data.type,			nodes = zTree.getSelectedNodes();			if (type.indexOf("All")<0 && nodes.length == 0) {				alert("Please select one node at first...");			}			if (type == "checkAllTrue") {				zTree.checkAllNodes(true);			} else if (type == "checkAllFalse") {				zTree.checkAllNodes(false);			} else {				var callbackFlag = $("#callbackTrigger").attr("checked");				for (var i=0, l=nodes.length; i<l; i++) {					if (type == "checkTrue") {						zTree.checkNode(nodes[i], true, false, callbackFlag);					} else if (type == "checkFalse") {						zTree.checkNode(nodes[i], false, false, callbackFlag);					} else if (type == "toggle") {						zTree.checkNode(nodes[i], null, false, callbackFlag);					}else if (type == "checkTruePS") {						zTree.checkNode(nodes[i], true, true, callbackFlag);					} else if (type == "checkFalsePS") {						zTree.checkNode(nodes[i], false, true, callbackFlag);					} else if (type == "togglePS") {						zTree.checkNode(nodes[i], null, true, callbackFlag);					}				}			}		}		function setAutoTrigger(e) {			var zTree = $.fn.zTree.getZTreeObj("treeDemo");			zTree.setting.check.autoCheckTrigger = $("#autoCallbackTrigger").attr("checked");			$("#autoCheckTriggerValue").html(zTree.setting.check.autoCheckTrigger ? "true" : "false");		}		$(document).ready(function(){			$.fn.zTree.init($("#treeDemo"), setting, zNodes);			$("#checkTrue").bind("click", {type:"checkTrue"}, checkNode);			$("#checkFalse").bind("click", {type:"checkFalse"}, checkNode);			$("#toggle").bind("click", {type:"toggle"}, checkNode);			$("#checkTruePS").bind("click", {type:"checkTruePS"}, checkNode);			$("#checkFalsePS").bind("click", {type:"checkFalsePS"}, checkNode);			$("#togglePS").bind("click", {type:"togglePS"}, checkNode);			$("#checkAllTrue").bind("click", {type:"checkAllTrue"}, checkNode);			$("#checkAllFalse").bind("click", {type:"checkAllFalse"}, checkNode);			$("#autoCallbackTrigger").bind("change", {}, setAutoTrigger);		});		//-->	</SCRIPT></HEAD><BODY><h1>Checkbox - zTree methods</h1><h6>[ File Path: excheck/checkbox_fun.html ]</h6><div class="content_wrap">	<div class="zTreeDemoBackground left">		<ul id="treeDemo" class="ztree"></ul>	</div>	<div class="right">		<ul class="info">			<li class="title"><h2>1, 'beforeCheck / onCheck' callback function</h2>				<ul class="list">				<li>Use 'beforeCheck / onCheck' callback function can control whether to allow changes to the node check state. This simple demo shows how to monitor the check event.</li>				<li><p>By the way also demonstrates how to use the 'checkNode / checkAllNodes' method triggers 'beforeCheck / onCheck' callback, Try: <br/>					    <input type="checkbox" id="autoCallbackTrigger" /> setting.check.autoCheckTrigger: <span id="autoCheckTriggerValue">false</span><br/>					    <input type="checkbox" id="callbackTrigger" checked /> Whether trigger the callback when execution checkNode() method. <br/>					    Node --[ <a id="checkTrue" href="#" title="check..." onclick="return false;">check</a> ]					    [ <a id="checkFalse" href="#" title="uncheck..." onclick="return false;">uncheck</a> ]					    [ <a id="toggle" href="#" title="toggle..." onclick="return false;">toggle</a> ]<br/>					    Node (relationships) --[ <a id="checkTruePS" href="#" title="check(relationships)..." onclick="return false;">check</a> ]					    [ <a id="checkFalsePS" href="#" title="uncheck(maintain relationships)..." onclick="return false;">uncheck</a> ]					    [ <a id="togglePS" href="#" title="toggle..." onclick="return false;">toggle</a> ]<br/>					    All Nodes --[ <a id="checkAllTrue" href="#" title="check All!!" onclick="return false;">check</a> ]					    [ <a id="checkAllFalse" href="#" title="uncheck All!!" onclick="return false;">uncheck</a> ]</p>				</li>				<li><p><span class="highlight_red">How to use 'zTreeObj.checkNode / checkAllNodes' method,  please see the API documentation.</span><br/>					beforeCheck / onCheck log:<br/>					<ul id="log" class="log" style="height:130px;"></ul></p>				</li>				</ul>			</li>			<li class="title"><h2>2, Explanation of setting</h2>				<ul class="list">				<li>Same as 'Checkbox Operation'</li>				</ul>			</li>			<li class="title"><h2>3, Explanation of treeNode</h2>				<ul class="list">				<li>Same as 'Checkbox Operation'</li>				</ul>			</li>		</ul>	</div></div></BODY></HTML>
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