@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.
186 lines (180 loc) • 8.54 kB
HTML
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - beforeExpand / onExpand && beforeCollapse / onCollapse</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
},
data: {
key: {
title:"t"
},
simpleData: {
enable: true
}
},
callback: {
beforeClick: beforeClick,
beforeCollapse: beforeCollapse,
beforeExpand: beforeExpand,
onCollapse: onCollapse,
onExpand: onExpand
}
};
var zNodes =[
{ id:1, pId:0, name:"ordinary parent 1", t:"I am ordinary, just expand or collapse on me", open:false},
{ id:11, pId:1, name:"leaf node 1-1", t:"..."},
{ id:12, pId:1, name:"ordinary parent 2", t:"I am ordinary, just expand or collapse on me", open:false},
{ id:121, pId:12, name:"parent node - 121", t:"...", open:true},
{ id:1211, pId:121, name:"parent node - 1211", t:"...", open:false},
{ id:1212, pId:1211, name:"leaf node - 1212", t:"..."},
{ id:1213, pId:121, name:"parent node - 1213", t:"...", open:false},
{ id:1214, pId:1213, name:"leaf node - 1214", t:"..."},
{ id:123, pId:12, name:"leaf node 2-3", t:"..."},
{ id:13, pId:1, name:"leaf node 1-3", t:"..."},
{ id:2, pId:0, name:"can't collapse me", t:"can't collapse me...Unless you use expandAll method.", open:true, collapse:false},
{ id:21, pId:2, name:"leaf node 2-1", t:"You can't collapse my parent"},
{ id:22, pId:2, name:"leaf node 2-2", t:"You can't collapse my parent"},
{ id:23, pId:2, name:"leaf node 2-3", t:"You can't collapse my parent"},
{ id:3, pId:0, name:"can't expand me", t:"can't expand me...Unless you use expandAll method.", open:false, expand:false},
{ id:31, pId:3, name:"leaf node 3-1", t:"OMG, you can see me!! Do you use the expandAll method?"},
{ id:32, pId:3, name:"leaf node 3-2", t:"OMG, you can see me!! Do you use the expandAll method?"},
{ id:33, pId:3, name:"leaf node 3-3", t:"OMG, you can see me!! Do you use the expandAll method?"},
{ id:4, pId:0, name:"empty parent 1", t:"I have nothing...", isParent:true, open:false}
];
var log, className = "dark";
function beforeClick(treeId, treeNode) {
if (treeNode.isParent) {
return true;
} else {
alert("This Demo is used to test the parent node expand / collapse...\n\nGo to click parent node... ");
return false;
}
}
function beforeCollapse(treeId, treeNode) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" beforeCollapse ] " + treeNode.name );
return (treeNode.collapse !== false);
}
function onCollapse(event, treeId, treeNode) {
showLog("[ "+getTime()+" onCollapse ] " + treeNode.name);
}
function beforeExpand(treeId, treeNode) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" beforeExpand ] " + treeNode.name );
return (treeNode.expand !== false);
}
function onExpand(event, treeId, treeNode) {
showLog("[ "+getTime()+" onExpand ] " + treeNode.name);
}
function showLog(str) {
if (!log) log = $("#log");
log.append("<li class='"+className+"'>"+str+"</li>");
if(log.children("li").length > 8) {
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 expandNode(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 parent node at first...");
}
if (type == "expandAll") {
zTree.expandAll(true);
} else if (type == "collapseAll") {
zTree.expandAll(false);
} else {
var callbackFlag = $("#callbackTrigger").attr("checked");
for (var i=0, l=nodes.length; i<l; i++) {
zTree.setting.view.fontCss = {};
if (type == "expand") {
zTree.expandNode(nodes[i], true, null, null, callbackFlag);
} else if (type == "collapse") {
zTree.expandNode(nodes[i], false, null, null, callbackFlag);
} else if (type == "toggle") {
zTree.expandNode(nodes[i], null, null, null, callbackFlag);
} else if (type == "expandSon") {
zTree.expandNode(nodes[i], true, true, null, callbackFlag);
} else if (type == "collapseSon") {
zTree.expandNode(nodes[i], false, true, null, callbackFlag);
}
}
}
}
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
$("#expandBtn").bind("click", {type:"expand"}, expandNode);
$("#collapseBtn").bind("click", {type:"collapse"}, expandNode);
$("#toggleBtn").bind("click", {type:"toggle"}, expandNode);
$("#expandSonBtn").bind("click", {type:"expandSon"}, expandNode);
$("#collapseSonBtn").bind("click", {type:"collapseSon"}, expandNode);
$("#expandAllBtn").bind("click", {type:"expandAll"}, expandNode);
$("#collapseAllBtn").bind("click", {type:"collapseAll"}, expandNode);
});
//-->
</SCRIPT>
</HEAD>
<BODY>
<h1>Control of Expand Node</h1>
<h6>[ File Path: core/expand.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, 'beforeCollapse / onCollapse'<br/> 'beforeExpand / onExpand' callback function</h2>
<ul class="list">
<li>Use 'beforeCollapse / onCollapse' and 'beforeExpand / onExpand' callback function can control whether to allow expand or collapse the parent node
. This simple demo shows how to monitor the collapse and expand event.</li>
<li><p>Try: <br/>
<input type="checkbox" id="callbackTrigger" checked /> Whether trigger the callback when execution expandNode() method.<br/>
Single Node --[ <a id="expandBtn" href="#" title="expand..." onclick="return false;">expand</a> ]
[ <a id="collapseBtn" href="#" title="collapse..." onclick="return false;">collapse</a> ]
[ <a id="toggleBtn" href="#" title="what do you want?..." onclick="return false;">toggle</a> ]<br/>
Single Node (including child) --[ <a id="expandSonBtn" href="#" title="expand (including child)..." onclick="return false;">expand</a> ]
[ <a id="collapseSonBtn" href="#" title="collapse (including child)..." onclick="return false;">collapse</a> ]<br/>
All Nodes --[ <a id="expandAllBtn" href="#" title="expand All!!" onclick="return false;">expand All</a> ]
[ <a id="collapseAllBtn" href="#" title="collapse All!!" onclick="return false;">collapse All</a> ]</p>
<li><p><span class="highlight_red">How to use zTreeObj.updateNode method, please see the API documentation.</span><br/>
collapse / expand log:<br/>
<ul id="log" class="log"></ul></p>
</li>
</ul>
</li>
<li class="title"><h2>2, Explanation of setting</h2>
<ul class="list">
<li class="highlight_red">Set attributes about 'setting.callback.beforeCollapse / onCollapse / beforeExpand / onExpand', please see the API documentation for more related contents.</li>
<li class="highlight_red">If you need to adjust the expand / collapse animation effects, please see the API documentation about setting.view.expandSpeed.</li>
</ul>
</li>
<li class="title"><h2>3, Explanation of treeNode</h2>
<ul class="list">
<li>No special requirements on the node data, the user can add custom attributes.</li>
</ul>
</li>
</ul>
</div>
</div>
</BODY>
</HTML>