每文一语：休倚时来势，提防运去时
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<HTML> <HEAD> <TITLE> ZTREE DEMO - beforeEditName / beforeRemove / onRemove / beforeRename / onRename</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: { addHoverDom: addHoverDom, removeHoverDom: removeHoverDom, selectedMulti: false }, edit: {enable: true,
//给节点额外添加属性来控制“重命名”、“删除”图标的显示或隐藏
showRenameBtn:showRenameBtn,showRemoveBtn:showRemoveBtn }, data: { simpleData: { enable: true } }, callback: { beforeDrag: beforeDrag, beforeEditName: beforeEditName, beforeRemove: beforeRemove, beforeRename: beforeRename, onRemove: onRemove, onRename: onRename } };var zNodes =[
//给节点额外添加属性来控制“重命名”、“删除”图标的显示或隐藏
{ id:1, pId:0, name:"父节点 1", open:true, noRemoveBtn:true,noEditBtn:true}, { id:11, pId:1, name:"叶子节点 1-1", noRemoveBtn:true,noEditBtn:true}, { id:12, pId:1, name:"叶子节点 1-2"}, { id:13, pId:1, name:"叶子节点 1-3"}, { id:2, pId:0, name:"父节点 2", open:true}, { id:21, pId:2, name:"叶子节点 2-1"}, { id:22, pId:2, name:"叶子节点 2-2"}, { id:23, pId:2, name:"叶子节点 2-3"}, { id:3, pId:0, name:"父节点 3", open:true}, { id:31, pId:3, name:"叶子节点 3-1"}, { id:32, pId:3, name:"叶子节点 3-2"}, { id:33, pId:3, name:"叶子节点 3-3"} ]; var log, className = "dark"; function beforeDrag(treeId, treeNodes) { return false; } function beforeEditName(treeId, treeNode) { className = (className === "dark" ? "":"dark"); showLog("[ "+getTime()+" beforeEditName ] " + treeNode.name); var zTree = $.fn.zTree.getZTreeObj("treeDemo"); zTree.selectNode(treeNode); return confirm("进入节点 -- " + treeNode.name + " 的编辑状态吗？"); } function beforeRemove(treeId, treeNode) { className = (className === "dark" ? "":"dark"); showLog("[ "+getTime()+" beforeRemove ] " + treeNode.name); var zTree = $.fn.zTree.getZTreeObj("treeDemo"); zTree.selectNode(treeNode); return confirm("确认删除 节点 -- " + treeNode.name + " 吗？"); } function onRemove(e, treeId, treeNode) { showLog("[ "+getTime()+" onRemove ] " + treeNode.name); } function beforeRename(treeId, treeNode, newName) { className = (className === "dark" ? "":"dark"); showLog("[ "+getTime()+" beforeRename ] " + treeNode.name); if (newName.length == 0) { alert("节点名称不能为空."); var zTree = $.fn.zTree.getZTreeObj("treeDemo"); setTimeout(function(){zTree.editName(treeNode)}, 10); return false; } return true; } function onRename(e, treeId, treeNode) { showLog("[ "+getTime()+" onRename ] " + 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); } //是否显示编辑button function showRenameBtn(treeId, treeNode){ //获取节点所配置的noEditBtn属性值 if(treeNode.noEditBtn != undefined && treeNode.noEditBtn){ return false; }else { return true; } } //是否显示删除button function showRemoveBtn(treeId, treeNode){ //获取节点所配置的noRemoveBtn属性值 if(treeNode.noRemoveBtn != undefined && treeNode.noRemoveBtn){ return false; }else { return true; } } var newCount = 1;function addHoverDom(treeId, treeNode) {
//在addHoverDom中推断第0级的节点不要显示“新增”button
if(treeNode.level === 0){ return false;}else{
//给节点加入"新增"button
var sObj = $("#" + treeNode.tId + "_span"); if (treeNode.editNameFlag || $("#addBtn_"+treeNode.id).length>0) return; var addStr = "<span class='button add' id='addBtn_" + treeNode.id + "' title='add node' οnfοcus='this.blur();'></span>"; sObj.after(addStr); var btn = $("#addBtn_"+treeNode.id); if (btn) btn.bind("click", function(){ var zTree = $.fn.zTree.getZTreeObj("treeDemo"); zTree.addNodes(treeNode, {id:(100 + newCount), pId:treeNode.id, name:"new node" + (newCount++)}); return false; }); } }; function removeHoverDom(treeId, treeNode) { $("#addBtn_"+treeNode.id).unbind().remove(); }; function selectAll() { var zTree = $.fn.zTree.getZTreeObj("treeDemo"); zTree.setting.edit.editNameSelectAll = $("#selectAll").attr("checked"); } $(document).ready(function(){ $.fn.zTree.init($("#treeDemo"), setting, zNodes); $("#selectAll").bind("click", selectAll); }); //--> </SCRIPT> <style type="text/css"> .ztree li span.button.add {margin-left:2px; margin-right: -1px; background-position:-144px 0; vertical-align:top; *vertical-align:middle} </style> </HEAD> <BODY> <h1>高级 增 / 删 / 改 节点</h1> <h6>[ 文件路径: exedit/edit_super.html ]</h6> <div class="content_wrap"> <div class="zTreeDemoBackground left"> <ul id="treeDemo" class="ztree"></ul> </div> </div> </BODY> </HTML>