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- <!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-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,
- chkStyle: "radio",
- radioType: "level"
- },
- 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:"no radio 1-1", nocheck:true},
- { 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:123, pId:12, name:"no radio 1-2-3", nocheck:true},
- { id:13, pId:1, name:"can check 1-3"},
- { 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:223, pId:22, name:"can't chk 2-2-3", 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, null, callbackFlag);
- } else if (type == "checkFalse") {
- zTree.checkNode(nodes[i], false, null, callbackFlag);
- }else if (type == "checkTruePS") {
- zTree.checkNode(nodes[i], true, true, callbackFlag);
- } else if (type == "checkFalsePS") {
- zTree.checkNode(nodes[i], false, true, callbackFlag);
- }
- }
- }
- }
- $(document).ready(function(){
- $.fn.zTree.init($("#treeDemo"), setting, zNodes);
- $("#checkTrue").bind("click", {type:"checkTrue"}, checkNode);
- $("#checkFalse").bind("click", {type:"checkFalse"}, checkNode);
- });
- //-->
- </SCRIPT>
- </HEAD>
- <BODY>
- <h1>Radio - zTree methods</h1>
- <h6>[ File Path: excheck/radio_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' method triggers 'beforeCheck / onCheck' callback, Try: <br/>
- <input type="checkbox" id="callbackTrigger" checked /> Whether trigger the callback when execution checkNode() method.<br/>
- [ <a id="checkTrue" href="#" title="check..." onclick="return false;">check</a> ]
- [ <a id="checkFalse" href="#" title="uncheck..." onclick="return false;">uncheck</a> ]</p>
- <li><p><span class="highlight_red">How to use 'zTreeObj.checkNode' 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 'Radio Operation'</li>
- </ul>
- </li>
- <li class="title"><h2>3, Explanation of treeNode</h2>
- <ul class="list">
- <li>Same as 'Radio Operation'</li>
- </ul>
- </li>
- </ul>
- </div>
- </div>
- </BODY>
- </HTML>
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