<!DOCTYPE html>
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - addNodes / editName / removeNode / removeChildNodes</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
},
edit: {
drag: {
autoExpandTrigger: true,
prev: dropPrev,
inner: dropInner,
next: dropNext
},
enable: true,
showRemoveBtn: false,
showRenameBtn: false
},
data: {
keep: {
parent:true,
leaf:true
},
simpleData: {
enable: true
}
},
callback: {
beforeDrag: beforeDrag,
beforeRemove: beforeRemove,
beforeRename: beforeRename,
onRemove: onRemove,
beforeDrop: beforeDrop,
beforeDragOpen: beforeDragOpen,
onDrag: onDrag,
onDrop: onDrop,
onExpand: onExpand
}
};
var zNodes =[
{ id:1, pId:0, name:"节点1", open:false},
{ id:11, pId:1, name:"节点1-1"},
{ id:12, pId:1, name:"节点1-2"},
{ id:121, pId:12, name:"节点1-2-1"},
{ id:122, pId:12, name:"节点1-2-2"},
{ id:123, pId:12, name:"节点1-2-3"},
{ id:3, pId:0, name:"节点3", open:false},
{ id:31, pId:3, name:"节点3-1"},
{ id:32, pId:3, name:"节点3-2"},
{ id:33, pId:3, name:"节点3-3"}
];
var log, className = "dark";
function beforeDrag(treeId, treeNodes) {
return false;
}
function beforeRemove(treeId, treeNode) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" beforeRemove ] " + treeNode.name);
console.log()
var children = treeNode.children;
if(children!=undefined && children.length>0){
alert("请先删除子节点");
return false;
}
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) {
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 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);
}
var newCount = 1;
function add(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
isParent = e.data.isParent,
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (treeNode) {alert(1)
treeNode = zTree.addNodes(treeNode, {id:(100 + newCount), pId:treeNode.id, isParent:isParent, name:"new node" + (newCount++)});
} else {alert(2)
treeNode = zTree.addNodes(null, {id:(100 + newCount), pId:0, isParent:isParent, name:"new node" + (newCount++)});
}
if (treeNode) {alert(3)
zTree.editName(treeNode[0]);
} else {alert(4)
alert("叶子节点被锁定，无法增加子节点");
}
};
function addParent(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
isParent = e.data.isParent,
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
treeNode = zTree.addNodes(null, {id:(100 + newCount), pId:0, isParent:isParent, name:"new node" + (newCount++)});
zTree.editName(treeNode[0]);
};
function edit() {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (nodes.length == 0) {
alert("请先选择一个节点");
return;
}
zTree.editName(treeNode);
};
function remove(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (nodes.length == 0) {
alert("请先选择一个节点");
return;
}
var callbackFlag = $("#callbackTrigger").attr("checked");
zTree.removeNode(treeNode, callbackFlag);
};
function clearChildren(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (nodes.length == 0 || !nodes[0].isParent) {
alert("请先选择一个父节点");
return;
}
zTree.removeChildNodes(treeNode);
};
function dropPrev(treeId, nodes, targetNode) {
var pNode = targetNode.getParentNode();
if (pNode && pNode.dropInner === false) {
return false;
} else {
for (var i=0,l=curDragNodes.length; i<l; i++) {
var curPNode = curDragNodes[i].getParentNode();
if (curPNode && curPNode !== targetNode.getParentNode() && curPNode.childOuter === false) {
return false;
}
}
}
return true;
}
function dropInner(treeId, nodes, targetNode) {
if (targetNode && targetNode.dropInner === false) {
return false;
} else {
for (var i=0,l=curDragNodes.length; i<l; i++) {
if (!targetNode && curDragNodes[i].dropRoot === false) {
return false;
} else if (curDragNodes[i].parentTId && curDragNodes[i].getParentNode() !== targetNode && curDragNodes[i].getParentNode().childOuter === false) {
return false;
}
}
}
return true;
}
function dropNext(treeId, nodes, targetNode) {
var pNode = targetNode.getParentNode();
if (pNode && pNode.dropInner === false) {
return false;
} else {
for (var i=0,l=curDragNodes.length; i<l; i++) {
var curPNode = curDragNodes[i].getParentNode();
if (curPNode && curPNode !== targetNode.getParentNode() && curPNode.childOuter === false) {
return false;
}
}
}
return true;
}
var log, className = "dark", curDragNodes, autoExpandNode;
function beforeDrag(treeId, treeNodes) {
className = (className === "dark" ? "":"dark");
for (var i=0,l=treeNodes.length; i<l; i++) {
if (treeNodes[i].drag === false) {
curDragNodes = null;
return false;
} else if (treeNodes[i].parentTId && treeNodes[i].getParentNode().childDrag === false) {
curDragNodes = null;
return false;
}
}
curDragNodes = treeNodes;
return true;
}
function beforeDragOpen(treeId, treeNode) {
autoExpandNode = treeNode;
return true;
}
function beforeDrop(treeId, treeNodes, targetNode, moveType, isCopy) {
className = (className === "dark" ? "":"dark");
return true;
}
function onDrag(event, treeId, treeNodes) {
console.log("拖拽节点")
className = (className === "dark" ? "":"dark");
}
function onDrop(event, treeId, treeNodes, targetNode, moveType, isCopy) {
className = (className === "dark" ? "":"dark");
}
function onExpand(event, treeId, treeNode) {
if (treeNode === autoExpandNode) {
className = (className === "dark" ? "":"dark");
}
}
function getTime() {
var now= new Date(),
h=now.getHours(),
m=now.getMinutes(),
s=now.getSeconds(),
ms=now.getMilliseconds();
return (h+":"+m+":"+s+ " " +ms);
}
function setTrigger() {
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.setting.edit.drag.autoExpandTrigger = $("#callbackTrigger").attr("checked");
}
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
$("#addParent").bind("click", {isParent:true}, addParent);
$("#addLeaf").bind("click", {isParent:false}, add);
$("#edit").bind("click", edit);
$("#remove").bind("click", remove);
$("#clearChildren").bind("click", clearChildren);
$("#callbackTrigger").bind("change", {}, setTrigger);
});
</SCRIPT>
</HEAD>
<BODY>
<div class="content_wrap">
<div>
<input type="checkbox" id="callbackTrigger" checked /> removeNode 方法是否触发 callback<br/>
[ <a id="addParent" href="#" title="增加父节点" onclick="return false;">增加父节点</a> ]
[ <a id="addLeaf" href="#" title="增加叶子节点" onclick="return false;">增加叶子节点</a> ]
[ <a id="edit" href="#" title="编辑名称" onclick="return false;">编辑名称</a> ]<br/>
[ <a id="remove" href="#" title="删除节点" onclick="return false;">删除节点</a> ]
[ <a id="clearChildren" href="#" title="清空子节点" onclick="return false;">清空子节点</a> ]<br/>
</div>
<div class="zTreeDemoBackground left">
<ul id="treeDemo" class="ztree"></ul>
</div>
</div>
</BODY>
</HTML>
原文地址：https://www.cnblogs.com/excellencesy/p/11808151.html
时间： 2024-10-29 12:53:04