zoukankan      html  css  js  c++  java
  • ztree-编辑节点(树节点添加,删除,修改)

    <!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: {
                    enable: true,
                    showRemoveBtn: false,
                    showRenameBtn: false
                },
                data: {
                    keep: {
                        parent:true,
                        leaf:true
                    },
                    simpleData: {
                        enable: true
                    }
                },
                callback: {
                    beforeDrag: beforeDrag,
                    beforeRemove: beforeRemove,
                    beforeRename: beforeRename,
                    onRemove: onRemove
                }
            };
    
            
            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);
            };
            
            $(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);
            });
        </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>

  • 相关阅读:
    Celery
    Xadmin的基本使用 补充:admin控制user字段
    Python pip换源 创建虚拟环境 luffy项目配置(数据库bug)
    gitignore 文件 刷新
    django python mange.py runserver 源码
    leetcode125. 验证回文串 python 简单
    leetcode1028 从先序遍历还原二叉树 python 100%内存 一次遍历
    fiddler
    xpath
    linux常用命令
  • 原文地址:https://www.cnblogs.com/excellencesy/p/11808122.html
Copyright © 2011-2022 走看看