ztree 新增节点动能拓展（节点名称不能为空及不能重复命名）
html
<ul id="treeDemo" class="ztree"></ul>
js
// 新建删除收藏夹（ztree配置）
var setting = {
view: {
addHoverDom: addHoverDom,
removeHoverDom: removeHoverDom,
selectedMulti: false
},
edit: {
enable: true,
editNameSelectAll: true,
renameTitle: "编辑名称",
removeTitle: "删除文件夹",
addNodesTitle: "新建文件夹",
showRemoveBtn: showRemoveBtn,
showRenameBtn: true
},
data: {
simpleData: {
enable: true
}
},
callback: {
beforeDrag: beforeDrag,
beforeEditName: beforeEditName,
beforeRemove: beforeRemove,
beforeRename: beforeRename,
onRemove: onRemove,
onRename: onRename
}
};
var zNodes =[
{ id:1, pId:0, name:"我的收藏", open:true},
{ id:11, pId:1, name:"叶子节点 1-1"},
{ 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:"他人分享", 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"}
];
function beforeDrag(treeId, treeNodes) {
return false;
}
// 编辑名称
function beforeEditName(treeId, treeNode) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.selectNode(treeNode);
setTimeout(function() {
zTree.editName(treeNode);
}, 0);
return false;
}
// 删除节点
function beforeRemove(treeId, treeNode) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.selectNode(treeNode);
}
function onRemove(e, treeId, treeNode) {
}
// 编辑节点
function beforeRename(treeId, treeNode, newName, isCancel) {
var zTree=$.fn.zTree.getZTreeObj("treeDemo")
node=zTree.getNodes(),
nodes = zTree.transformToArray(node);
if (newName.length == 0) {
setTimeout(function() {
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.cancelEditName();
alert("节点名称不能为空.");
}, 0);
return false;
}
for (var n in nodes) {
if (nodes[n].name == newName) {
if (nodes[n].id == treeNode.id) return;
setTimeout(function () {
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.cancelEditName();
alert("文件夹名称已存在！");
}, 200)
return false;
}
}
return true;
}
function onRename(e, treeId, treeNode, isCancel) {
var arr = [];
arr.push(treeNode.name);
}
function showRemoveBtn(treeId, treeNode) {
// 二级文件夹显示删除
return treeNode.level === 1;
}
var newCount = 1;
function addHoverDom(treeId, treeNode) {
// 一级文件夹显示新建
if(treeNode.level === 0) {
var sObj = $("#" + treeNode.tId + "_span");
if (treeNode.editNameFlag || $("#addBtn_"+treeNode.tId).length>0) return;
var addStr = "<span class='button add' id='addBtn_" + treeNode.tId
+ "' title='新建文件夹' onfocus='this.blur();'></span>";
sObj.after(addStr);
var btn = $("#addBtn_"+treeNode.tId);
if (btn) btn.bind("click", function(){
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.addNodes(treeNode, {id:(100 + newCount), pId:treeNode.id, name:"新建文件夹" + (newCount++)});
return false;
});
};
};
function removeHoverDom(treeId, treeNode) {
$("#addBtn_"+treeNode.tId).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);
});
