<!DOCTYPE html>
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<HTML>
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<HEAD>
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<TITLE> ZTREE DEMO - beforeExpand / onExpand && beforeCollapse / onCollapse</TITLE>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link rel="stylesheet" href="../../../css/demo.css" type="text/css">
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<link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
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<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
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<script type="text/javascript" src="../../../js/jquery.ztree.core.js"></script>
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<!-- <script type="text/javascript" src="../../../js/jquery.ztree.excheck.js"></script>
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<script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>-->
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<SCRIPT type="text/javascript">
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<!--
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var setting = {
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view: {
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selectedMulti: false
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},
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data: {
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key: {
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title:"t"
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},
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simpleData: {
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enable: true
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}
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},
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callback: {
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beforeClick: beforeClick,
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beforeCollapse: beforeCollapse,
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beforeExpand: beforeExpand,
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onCollapse: onCollapse,
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onExpand: onExpand
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}
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};
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var zNodes =[
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{ id:1, pId:0, name:"可折腾的父节点 1", t:"我很普通，随便 展开/折叠 我吧", open:false},
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{ id:11, pId:1, name:"叶子节点 - 1", t:"我老爸很普通，随便折腾他吧"},
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{ id:12, pId:1, name:"可折腾的父节点 2", t:"我和我老爸都很普通，随便折腾我和他吧", open: false},
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{ id:121, pId:12, name:"父节点 - 121", t:"我老爸很普通，随便折腾他吧", open:true},
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{ id:1211, pId:121, name:"父节点 - 1211", t:"我老爸很普通，随便折腾他吧", open:false},
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{ id:1212, pId:1211, name:"叶子节点 - 1212", t:"我老爸很普通，随便折腾他吧"},
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{ id:1213, pId:121, name:"父节点 - 1213", t:"我老爸很普通，随便折腾他吧", open:false},
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{ id:1214, pId:1213, name:"叶子节点 - 1214", t:"我老爸很普通，随便折腾他吧"},
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{ id:123, pId:12, name:"叶子节点 - 23", t:"我老爸很普通，随便折腾他吧"},
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{ id:13, pId:1, name:"叶子节点 - 3", t:"我老爸很普通，随便折腾他吧"},
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{ id:2, pId:1, name:"无法折叠的父节点", t:"休想让我折叠起来...除非你用 expandAll 方法", open:false, collapse:false},
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{ id:21, pId:2, name:"叶子节点2 - 1", t:"哈哈哈，我老爸NB吧，不能折叠吧？"},
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{ id:22, pId:21, name:"叶子节点2 - 2", t:"哈哈哈，我老爸NB吧，不能折叠吧？"},
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{ id:23, pId:21, name:"叶子节点2 - 3", t:"哈哈哈，我老爸NB吧，不能折叠吧？"},
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{ id:3, pId:2, name:"无法展开的父节点", t:"就凭你也想展开我？难呀...嘿嘿, 除非你用 expandAll 方法", open:false, expand:false},
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{ id:31, pId:3, name:"叶子节点3 - 1", t:"居然让你看到了...莫非你用了全部节点展开？"},
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{ id:32, pId:31, name:"叶子节点3 - 2", t:"居然让你看到了...莫非你用了全部节点展开？"},
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{ id:33, pId:31, name:"叶子节点3 - 3", t:"居然让你看到了...莫非你用了全部节点展开？"},
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{ id:4, pId:3, name:"空空的父节点 1", t:"一无所有...除了我自己", isParent:true, open:false}
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];
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var log, className = "dark";
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function beforeClick(treeId, treeNode) {
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if (treeNode.isParent) {
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return true;
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} else {
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alert("这个 Demo 是用来测试 展开 / 折叠 的...\n\n去点击父节点吧... ");
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return false;
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}
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}
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function beforeCollapse(treeId, treeNode) {
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className = (className === "dark" ? "":"dark");
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showLog("[ "+getTime()+" beforeCollapse ] " + treeNode.name );
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return (treeNode.collapse !== false);
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}
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function onCollapse(event, treeId, treeNode) {
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showLog("[ "+getTime()+" onCollapse ] " + treeNode.name);
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}
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function beforeExpand(treeId, treeNode) {
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className = (className === "dark" ? "":"dark");
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showLog("[ "+getTime()+" beforeExpand ] " + treeNode.name );
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return (treeNode.expand !== false);
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}
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function onExpand(event, treeId, treeNode) {
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showLog("[ "+getTime()+" onExpand ] " + treeNode.name);
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}
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function showLog(str) {
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if (!log) log = $("#log");
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log.append("<li class='"+className+"'>"+str+"</li>");
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if(log.children("li").length > 8) {
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log.get(0).removeChild(log.children("li")[0]);
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}
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}
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function getTime() {
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var now= new Date(),
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h=now.getHours(),
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m=now.getMinutes(),
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s=now.getSeconds(),
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ms=now.getMilliseconds();
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return (h+":"+m+":"+s+ " " +ms);
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}
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function expandNode(e) {
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var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
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type = e.data.type,
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nodes = zTree.getSelectedNodes();
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if (type.indexOf("All")<0 && nodes.length == 0) {
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alert("请先选择一个父节点");
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}
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if (type == "expandAll") {
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zTree.expandAll(true);
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} else if (type == "collapseAll") {
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zTree.expandAll(false);
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} else {
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var callbackFlag = $("#callbackTrigger").attr("checked");
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for (var i=0, l=nodes.length; i<l; i++) {
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zTree.setting.view.fontCss = {};
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if (type == "expand") {
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zTree.expandNode(nodes[i], true, null, null, callbackFlag);
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} else if (type == "collapse") {
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zTree.expandNode(nodes[i], false, null, null, callbackFlag);
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} else if (type == "toggle") {
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zTree.expandNode(nodes[i], null, null, null, callbackFlag);
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} else if (type == "expandSon") {
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zTree.expandNode(nodes[i], true, true, null, callbackFlag);
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} else if (type == "collapseSon") {
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zTree.expandNode(nodes[i], false, true, null, callbackFlag);
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}
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}
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}
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}
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$(document).ready(function(){
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$.fn.zTree.init($("#treeDemo"), setting, zNodes);
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$("#expandBtn").bind("click", {type:"expand"}, expandNode);
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$("#collapseBtn").bind("click", {type:"collapse"}, expandNode);
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$("#toggleBtn").bind("click", {type:"toggle"}, expandNode);
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$("#expandSonBtn").bind("click", {type:"expandSon"}, expandNode);
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$("#collapseSonBtn").bind("click", {type:"collapseSon"}, expandNode);
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$("#expandAllBtn").bind("click", {type:"expandAll"}, expandNode);
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$("#collapseAllBtn").bind("click", {type:"collapseAll"}, expandNode);
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});
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//-->
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</SCRIPT>
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</HEAD>
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<BODY>
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<h1>展开 / 折叠父节点控制</h1>
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<h6>[ 文件路径: core/expand.html ]</h6>
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<div class="content_wrap">
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<div class="zTreeDemoBackground left">
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<ul id="treeDemo" class="ztree"></ul>
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</div>
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<div class="right">
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<ul class="info">
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<li class="title"><h2>1、beforeCollapse / onCollapse<br/> beforeExpand / onExpand 事件回调函数控制</h2>
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<ul class="list">
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<li>利用 collapse / expand 事件回调函数 可以控制父节点是否允许 展开 / 折叠，这里简单演示如何监控此事件</li>
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<li><p>试试看：<br/>
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<input type="checkbox" id="callbackTrigger" checked /> expandNode 方法是否触发 callback<br/>
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单个节点--[ <a id="expandBtn" href="#" title="不想展开我就不展开你..." onclick="return false;">展开</a> ]
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[ <a id="collapseBtn" href="#" title="不想折叠我就不折叠你..." onclick="return false;">折叠</a> ]
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[ <a id="toggleBtn" href="#" title="你想怎样？..." onclick="return false;">展开 / 折叠 切换</a> ]<br/>
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单个节点（包括子节点）--[ <a id="expandSonBtn" href="#" title="不想展开我就不展开你..." onclick="return false;">展开</a> ]
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[ <a id="collapseSonBtn" href="#" title="不想折叠我就不折叠你..." onclick="return false;">折叠</a> ]<br/>
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全部节点--[ <a id="expandAllBtn" href="#" title="不管你有多NB，统统都要听我的！！" onclick="return false;">展开</a> ]
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[ <a id="collapseAllBtn" href="#" title="不管你有多NB，统统都要听我的！！" onclick="return false;">折叠</a> ]</p>
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<li><p><span class="highlight_red">使用 zTreeObj.expandNode 方法，详细请参见 API 文档中的相关内容</span><br/>
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collapse / expand log:<br/>
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<ul id="log" class="log"></ul></p>
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</li>
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</ul>
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</li>
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<li class="title"><h2>2、setting 配置信息说明</h2>
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<ul class="list">
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<li class="highlight_red">事件回调函数的使用，详细请参见 API 文档中 setting.callback 的相关内容</li>
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<li class="highlight_red">如果需要调整 展开 / 折叠 的动画效果， 详细请参见 API 文档中 setting.view.expandSpeed 的相关内容</li>
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</ul>
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</li>
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<li class="title"><h2>3、treeNode 节点数据说明</h2>
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<ul class="list">
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<li>对 节点数据 没有特殊要求，用户可以根据自己的需求添加自定义属性</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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</BODY>
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</HTML>
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