qfqk-web.git - Gitblit

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			<!DOCTYPE html>
			<HTML>
			<HEAD>
			<TITLE> ZTREE DEMO - single path</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: {
			dblClickExpand: false,
			showLine: false
			},
			data: {
			simpleData: {
			enable: true
			}
			},
			callback: {
			beforeExpand: beforeExpand,
			onExpand: onExpand,
			onClick: onClick
			}
			};

			function createNodes(maxNodesNumInLevel, maxLevel, curLevel, curPId) {
			if (maxNodesNumInLevel<5) {
			maxNodesNumInLevel = 5;
			}
			var nodes = [], num = 0;
			while(num<3) {
			num = parseInt(Math.random()*1024)%maxNodesNumInLevel+1;
			}
			for (var i=0; i<num; i++) {
			var id = curPId ? curPId + "-" + i : "" + i, isParent = (parseInt(Math.random()*9999)%3!=0),
			node = {id: id, pId : curPId, name : "N" + id};
			nodes.push(node);
			if (isParent && curLevel<maxLevel) {
			nodes = nodes.concat(createNodes(maxNodesNumInLevel, maxLevel, curLevel+1, id));
			}
			}
			return nodes;
			}
			var zNodes =createNodes(5, 5, 0);

			var curExpandNode = null;
			function beforeExpand(treeId, treeNode) {
			var pNode = curExpandNode ? curExpandNode.getParentNode():null;
			var treeNodeP = treeNode.parentTId ? treeNode.getParentNode():null;
			var zTree = $.fn.zTree.getZTreeObj("treeDemo");
			for(var i=0, l=!treeNodeP ? 0:treeNodeP.children.length; i<l; i++ ) {
			if (treeNode !== treeNodeP.children[i]) {
			zTree.expandNode(treeNodeP.children[i], false);
			}
			}
			while (pNode) {
			if (pNode === treeNode) {
			break;
			}
			pNode = pNode.getParentNode();
			}
			if (!pNode) {
			singlePath(treeNode);
			}

			}
			function singlePath(newNode) {
			if (newNode === curExpandNode) return;

			var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
			rootNodes, tmpRoot, tmpTId, i, j, n;

			if (!curExpandNode) {
			tmpRoot = newNode;
			while (tmpRoot) {
			tmpTId = tmpRoot.tId;
			tmpRoot = tmpRoot.getParentNode();
			}
			rootNodes = zTree.getNodes();
			for (i=0, j=rootNodes.length; i<j; i++) {
			n = rootNodes[i];
			if (n.tId != tmpTId) {
			zTree.expandNode(n, false);
			}
			}
			} else if (curExpandNode && curExpandNode.open) {
			if (newNode.parentTId === curExpandNode.parentTId) {
			zTree.expandNode(curExpandNode, false);
			} else {
			var newParents = [];
			while (newNode) {
			newNode = newNode.getParentNode();
			if (newNode === curExpandNode) {
			newParents = null;
			break;
			} else if (newNode) {
			newParents.push(newNode);
			}
			}
			if (newParents!=null) {
			var oldNode = curExpandNode;
			var oldParents = [];
			while (oldNode) {
			oldNode = oldNode.getParentNode();
			if (oldNode) {
			oldParents.push(oldNode);
			}
			}
			if (newParents.length>0) {
			zTree.expandNode(oldParents[Math.abs(oldParents.length-newParents.length)-1], false);
			} else {
			zTree.expandNode(oldParents[oldParents.length-1], false);
			}
			}
			}
			}
			curExpandNode = newNode;
			}

			function onExpand(event, treeId, treeNode) {
			curExpandNode = treeNode;
			}

			function onClick(e,treeId, treeNode) {
			var zTree = $.fn.zTree.getZTreeObj("treeDemo");
			zTree.expandNode(treeNode, null, null, null, true);
			}

			$(document).ready(function(){
			$.fn.zTree.init($("#treeDemo"), setting, zNodes);
			});
			//-->
			</SCRIPT>
			<style type="text/css">
			.ztree li button.switch {visibility:hidden; width:1px;}
			.ztree li button.switch.roots_docu {visibility:visible; width:16px;}
			.ztree li button.switch.center_docu {visibility:visible; width:16px;}
			.ztree li button.switch.bottom_docu {visibility:visible; width:16px;}
			</style>
			</HEAD>

			<BODY>
			<h1>Keep Single Path</h1>
			<h6>[ File Path: super/singlepath.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>Explanation of implementation method</h2>
			<ul class="list">
			<li>This Demo is the transformation from "Click to Expand Node" demo, tree only expand single path.</li>
			<li class="highlight_red">Use 'setting.callback.beforeExpand / onExpand' callback function to achieve rules about expand </li>
			</ul>
			</li>
			</ul>
			</div>
			</div>
			</BODY>
			</HTML>