@ztree/ztree_v3
Version:
zTree is a multi-functional 'tree plug-ins.' based on jQuery. The main advantages of zTree includes excellent performance, flexible configuration, and the combination of multiple functions.
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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>