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816 lines
27 KiB
816 lines
27 KiB
3 years ago
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/**
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@Name：tree 树组件
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@License：MIT
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*/
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layui.define('form', function(exports){
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"use strict";
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var $ = layui.$
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,form = layui.form
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,layer = layui.layer
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//模块名
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,MOD_NAME = 'tree'
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//外部接口
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,tree = {
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config: {}
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,index: layui[MOD_NAME] ? (layui[MOD_NAME].index + 10000) : 0
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//设置全局项
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,set: function(options){
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var that = this;
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that.config = $.extend({}, that.config, options);
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return that;
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}
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//事件
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,on: function(events, callback){
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return layui.onevent.call(this, MOD_NAME, events, callback);
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}
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}
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//操作当前实例
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,thisModule = function(){
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var that = this
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,options = that.config
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,id = options.id || that.index;
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thisModule.that[id] = that; //记录当前实例对象
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thisModule.config[id] = options; //记录当前实例配置项
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return {
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config: options
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//重置实例
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,reload: function(options){
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that.reload.call(that, options);
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}
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,getChecked: function(){
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return that.getChecked.call(that);
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}
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,setChecked: function(id){//设置值
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return that.setChecked.call(that, id);
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}
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}
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}
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//获取当前实例配置项
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,getThisModuleConfig = function(id){
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var config = thisModule.config[id];
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if(!config) hint.error('The ID option was not found in the '+ MOD_NAME +' instance');
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return config || null;
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}
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//字符常量
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,SHOW = 'layui-show', HIDE = 'layui-hide', NONE = 'layui-none', DISABLED = 'layui-disabled'
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,ELEM_VIEW = 'layui-tree', ELEM_SET = 'layui-tree-set', ICON_CLICK = 'layui-tree-iconClick'
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,ICON_ADD = 'layui-icon-addition', ICON_SUB = 'layui-icon-subtraction', ELEM_ENTRY = 'layui-tree-entry', ELEM_MAIN = 'layui-tree-main', ELEM_TEXT = 'layui-tree-txt', ELEM_PACK = 'layui-tree-pack', ELEM_SPREAD = 'layui-tree-spread'
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,ELEM_LINE_SHORT = 'layui-tree-setLineShort', ELEM_SHOW = 'layui-tree-showLine', ELEM_EXTEND = 'layui-tree-lineExtend'
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//构造器
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,Class = function(options){
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var that = this;
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that.index = ++tree.index;
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that.config = $.extend({}, that.config, tree.config, options);
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that.render();
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};
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//默认配置
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Class.prototype.config = {
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data: [] //数据
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,showCheckbox: false //是否显示复选框
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,showLine: true //是否开启连接线
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,accordion: false //是否开启手风琴模式
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,onlyIconControl: false //是否仅允许节点左侧图标控制展开收缩
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,isJump: false //是否允许点击节点时弹出新窗口跳转
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,edit: false //是否开启节点的操作图标
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,text: {
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defaultNodeName: '未命名' //节点默认名称
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,none: '无数据' //数据为空时的文本提示
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}
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};
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//重载实例
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Class.prototype.reload = function(options){
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var that = this;
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layui.each(options, function(key, item){
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if(layui._typeof(item) === 'array') delete that.config[key];
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});
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that.config = $.extend(true, {}, that.config, options);
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that.render();
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};
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//主体渲染
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Class.prototype.render = function(){
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var that = this
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,options = that.config;
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that.checkids = [];
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var temp = $('<div class="layui-tree'+ (options.showCheckbox ? " layui-form" : "") + (options.showLine ? " layui-tree-line" : "") +'" lay-filter="LAY-tree-'+ that.index +'"></div>');
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that.tree(temp);
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var othis = options.elem = $(options.elem);
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if(!othis[0]) return;
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//索引
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that.key = options.id || that.index;
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//插入组件结构
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that.elem = temp;
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that.elemNone = $('<div class="layui-tree-emptyText">'+ options.text.none +'</div>');
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othis.html(that.elem);
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if(that.elem.find('.layui-tree-set').length == 0){
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return that.elem.append(that.elemNone);
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};
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//复选框渲染
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if(options.showCheckbox){
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that.renderForm('checkbox');
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};
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that.elem.find('.layui-tree-set').each(function(){
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var othis = $(this);
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//最外层
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if(!othis.parent('.layui-tree-pack')[0]){
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othis.addClass('layui-tree-setHide');
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};
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//没有下一个节点 上一层父级有延伸线
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if(!othis.next()[0] && othis.parents('.layui-tree-pack').eq(1).hasClass('layui-tree-lineExtend')){
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othis.addClass(ELEM_LINE_SHORT);
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};
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//没有下一个节点 外层最后一个
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if(!othis.next()[0] && !othis.parents('.layui-tree-set').eq(0).next()[0]){
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othis.addClass(ELEM_LINE_SHORT);
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};
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});
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that.events();
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};
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//渲染表单
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Class.prototype.renderForm = function(type){
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form.render(type, 'LAY-tree-'+ this.index);
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};
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//节点解析
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Class.prototype.tree = function(elem, children){
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var that = this
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,options = that.config
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,data = children || options.data;
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//遍历数据
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layui.each(data, function(index, item){
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var hasChild = item.children && item.children.length > 0
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,packDiv = $('<div class="layui-tree-pack" '+ (item.spread ? 'style="display: block;"' : '') +'></div>')
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,entryDiv = $(['<div data-id="'+ item.id +'" class="layui-tree-set'+ (item.spread ? " layui-tree-spread" : "") + (item.checked ? " layui-tree-checkedFirst" : "") +'">'
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,'<div class="layui-tree-entry">'
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,'<div class="layui-tree-main">'
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//箭头
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,function(){
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if(options.showLine){
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if(hasChild){
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return '<span class="layui-tree-iconClick layui-tree-icon"><i class="layui-icon '+ (item.spread ? "layui-icon-subtraction" : "layui-icon-addition") +'"></i></span>';
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}else{
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return '<span class="layui-tree-iconClick"><i class="layui-icon layui-icon-file"></i></span>';
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};
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}else{
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return '<span class="layui-tree-iconClick"><i class="layui-tree-iconArrow '+ (hasChild ? "": HIDE) +'"></i></span>';
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};
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}()
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//复选框
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,function(){
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return options.showCheckbox ? '<input type="checkbox" name="'+ (item.field || ('layuiTreeCheck_'+ item.id)) +'" same="layuiTreeCheck" lay-skin="primary" '+ (item.disabled ? "disabled" : "") +' value="'+ item.id +'">' : '';
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}()
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//节点
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,function(){
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if(options.isJump && item.href){
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return '<a href="'+ item.href +'" target="_blank" class="'+ ELEM_TEXT +'">'+ (item.title || item.label || options.text.defaultNodeName) +'</a>';
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}else{
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return '<span class="'+ ELEM_TEXT + (item.disabled ? ' '+ DISABLED : '') +'">'+ (item.title || item.label || options.text.defaultNodeName) +'</span>';
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}
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}()
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,'</div>'
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//节点操作图标
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,function(){
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if(!options.edit) return '';
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var editIcon = {
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add: '<i class="layui-icon layui-icon-add-1" data-type="add"></i>'
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,update: '<i class="layui-icon layui-icon-edit" data-type="update"></i>'
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,del: '<i class="layui-icon layui-icon-delete" data-type="del"></i>'
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}, arr = ['<div class="layui-btn-group layui-tree-btnGroup">'];
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if(options.edit === true){
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options.edit = ['update', 'del']
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}
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if(typeof options.edit === 'object'){
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layui.each(options.edit, function(i, val){
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arr.push(editIcon[val] || '')
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});
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return arr.join('') + '</div>';
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}
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}()
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,'</div></div>'].join(''));
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//如果有子节点，则递归继续生成树
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if(hasChild){
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entryDiv.append(packDiv);
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that.tree(packDiv, item.children);
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};
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elem.append(entryDiv);
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//若有前置节点，前置节点加连接线
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if(entryDiv.prev('.'+ELEM_SET)[0]){
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entryDiv.prev().children('.layui-tree-pack').addClass('layui-tree-showLine');
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};
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//若无子节点，则父节点加延伸线
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if(!hasChild){
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entryDiv.parent('.layui-tree-pack').addClass('layui-tree-lineExtend');
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};
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//展开节点操作
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that.spread(entryDiv, item);
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//选择框
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if(options.showCheckbox){
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item.checked && that.checkids.push(item.id);
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that.checkClick(entryDiv, item);
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}
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//操作节点
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options.edit && that.operate(entryDiv, item);
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});
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};
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//展开节点
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Class.prototype.spread = function(elem, item){
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var that = this
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,options = that.config
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,entry = elem.children('.'+ELEM_ENTRY)
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,elemMain = entry.children('.'+ ELEM_MAIN)
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,elemIcon = entry.find('.'+ ICON_CLICK)
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,elemText = entry.find('.'+ ELEM_TEXT)
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,touchOpen = options.onlyIconControl ? elemIcon : elemMain //判断展开通过节点还是箭头图标
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,state = '';
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//展开收缩
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touchOpen.on('click', function(e){
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var packCont = elem.children('.'+ELEM_PACK)
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,iconClick = touchOpen.children('.layui-icon')[0] ? touchOpen.children('.layui-icon') : touchOpen.find('.layui-tree-icon').children('.layui-icon');
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//若没有子节点
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if(!packCont[0]){
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state = 'normal';
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}else{
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if(elem.hasClass(ELEM_SPREAD)){
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elem.removeClass(ELEM_SPREAD);
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packCont.slideUp(200);
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iconClick.removeClass(ICON_SUB).addClass(ICON_ADD);
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}else{
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elem.addClass(ELEM_SPREAD);
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packCont.slideDown(200);
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iconClick.addClass(ICON_SUB).removeClass(ICON_ADD);
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//是否手风琴
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if(options.accordion){
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var sibls = elem.siblings('.'+ELEM_SET);
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sibls.removeClass(ELEM_SPREAD);
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sibls.children('.'+ELEM_PACK).slideUp(200);
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sibls.find('.layui-tree-icon').children('.layui-icon').removeClass(ICON_SUB).addClass(ICON_ADD);
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};
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};
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};
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});
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//点击回调
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elemText.on('click', function(){
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var othis = $(this);
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//判断是否禁用状态
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if(othis.hasClass(DISABLED)) return;
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//判断展开收缩状态
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if(elem.hasClass(ELEM_SPREAD)){
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state = options.onlyIconControl ? 'open' : 'close';
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} else {
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state = options.onlyIconControl ? 'close' : 'open';
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}
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//点击产生的回调
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options.click && options.click({
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elem: elem
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,state: state
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,data: item
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});
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});
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};
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//计算复选框选中状态
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Class.prototype.setCheckbox = function(elem, item, elemCheckbox){
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var that = this
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,options = that.config
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,checked = elemCheckbox.prop('checked');
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if(elemCheckbox.prop('disabled')) return;
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//同步子节点选中状态
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if(typeof item.children === 'object' || elem.find('.'+ELEM_PACK)[0]){
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var childs = elem.find('.'+ ELEM_PACK).find('input[same="layuiTreeCheck"]');
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childs.each(function(){
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if(this.disabled) return; //不可点击则跳过
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this.checked = checked;
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});
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};
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//同步父节点选中状态
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var setParentsChecked = function(thisNodeElem){
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//若无父节点，则终止递归
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if(!thisNodeElem.parents('.'+ ELEM_SET)[0]) return;
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var state
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,parentPack = thisNodeElem.parent('.'+ ELEM_PACK)
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,parentNodeElem = parentPack.parent()
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|
|
,parentCheckbox = parentPack.prev().find('input[same="layuiTreeCheck"]');
|
||
|
|
|
||
|
|
//如果子节点有任意一条选中，则父节点为选中状态
|
||
|
|
if(checked){
|
||
|
|
parentCheckbox.prop('checked', checked);
|
||
|
|
} else { //如果当前节点取消选中，则根据计算“兄弟和子孙”节点选中状态，来同步父节点选中状态
|
||
|
|
parentPack.find('input[same="layuiTreeCheck"]').each(function(){
|
||
|
|
if(this.checked){
|
||
|
|
state = true;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
//如果兄弟子孙节点全部未选中，则父节点也应为非选中状态
|
||
|
|
state || parentCheckbox.prop('checked', false);
|
||
|
|
}
|
||
|
|
|
||
|
|
//向父节点递归
|
||
|
|
setParentsChecked(parentNodeElem);
|
||
|
|
};
|
||
|
|
|
||
|
|
setParentsChecked(elem);
|
||
|
|
|
||
|
|
that.renderForm('checkbox');
|
||
|
|
};
|
||
|
|
|
||
|
|
//复选框选择
|
||
|
|
Class.prototype.checkClick = function(elem, item){
|
||
|
|
var that = this
|
||
|
|
,options = that.config
|
||
|
|
,entry = elem.children('.'+ ELEM_ENTRY)
|
||
|
|
,elemMain = entry.children('.'+ ELEM_MAIN);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//点击复选框
|
||
|
|
elemMain.on('click', 'input[same="layuiTreeCheck"]+', function(e){
|
||
|
|
layui.stope(e); //阻止点击节点事件
|
||
|
|
|
||
|
|
var elemCheckbox = $(this).prev()
|
||
|
|
,checked = elemCheckbox.prop('checked');
|
||
|
|
|
||
|
|
if(elemCheckbox.prop('disabled')) return;
|
||
|
|
|
||
|
|
that.setCheckbox(elem, item, elemCheckbox);
|
||
|
|
|
||
|
|
//复选框点击产生的回调
|
||
|
|
options.oncheck && options.oncheck({
|
||
|
|
elem: elem
|
||
|
|
,checked: checked
|
||
|
|
,data: item
|
||
|
|
});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
//节点操作
|
||
|
|
Class.prototype.operate = function(elem, item){
|
||
|
|
var that = this
|
||
|
|
,options = that.config
|
||
|
|
,entry = elem.children('.'+ ELEM_ENTRY)
|
||
|
|
,elemMain = entry.children('.'+ ELEM_MAIN);
|
||
|
|
|
||
|
|
entry.children('.layui-tree-btnGroup').on('click', '.layui-icon', function(e){
|
||
|
|
layui.stope(e); //阻止节点操作
|
||
|
|
|
||
|
|
var type = $(this).data("type")
|
||
|
|
,packCont = elem.children('.'+ELEM_PACK)
|
||
|
|
,returnObj = {
|
||
|
|
data: item
|
||
|
|
,type: type
|
||
|
|
,elem:elem
|
||
|
|
};
|
||
|
|
//增加
|
||
|
|
if(type == 'add'){
|
||
|
|
//若节点本身无子节点
|
||
|
|
if(!packCont[0]){
|
||
|
|
//若开启连接线，更改图标样式
|
||
|
|
if(options.showLine){
|
||
|
|
elemMain.find('.'+ICON_CLICK).addClass('layui-tree-icon');
|
||
|
|
elemMain.find('.'+ICON_CLICK).children('.layui-icon').addClass(ICON_ADD).removeClass('layui-icon-file');
|
||
|
|
//若未开启连接线，显示箭头
|
||
|
|
}else{
|
||
|
|
elemMain.find('.layui-tree-iconArrow').removeClass(HIDE);
|
||
|
|
};
|
||
|
|
//节点添加子节点容器
|
||
|
|
elem.append('<div class="layui-tree-pack"></div>');
|
||
|
|
};
|
||
|
|
|
||
|
|
//新增节点
|
||
|
|
var key = options.operate && options.operate(returnObj)
|
||
|
|
,obj = {};
|
||
|
|
obj.title = options.text.defaultNodeName;
|
||
|
|
obj.id = key;
|
||
|
|
that.tree(elem.children('.'+ELEM_PACK), [obj]);
|
||
|
|
|
||
|
|
//放在新增后面，因为要对元素进行操作
|
||
|
|
if(options.showLine){
|
||
|
|
//节点本身无子节点
|
||
|
|
if(!packCont[0]){
|
||
|
|
//遍历兄弟节点，判断兄弟节点是否有子节点
|
||
|
|
var siblings = elem.siblings('.'+ELEM_SET), num = 1
|
||
|
|
,parentPack = elem.parent('.'+ELEM_PACK);
|
||
|
|
layui.each(siblings, function(index, i){
|
||
|
|
if(!$(i).children('.'+ELEM_PACK)[0]){
|
||
|
|
num = 0;
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
//若兄弟节点都有子节点
|
||
|
|
if(num == 1){
|
||
|
|
//兄弟节点添加连接线
|
||
|
|
siblings.children('.'+ELEM_PACK).addClass(ELEM_SHOW);
|
||
|
|
siblings.children('.'+ELEM_PACK).children('.'+ELEM_SET).removeClass(ELEM_LINE_SHORT);
|
||
|
|
elem.children('.'+ELEM_PACK).addClass(ELEM_SHOW);
|
||
|
|
//父级移除延伸线
|
||
|
|
parentPack.removeClass(ELEM_EXTEND);
|
||
|
|
//同层节点最后一个更改线的状态
|
||
|
|
parentPack.children('.'+ELEM_SET).last().children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
|
||
|
|
}else{
|
||
|
|
elem.children('.'+ELEM_PACK).children('.'+ELEM_SET).addClass(ELEM_LINE_SHORT);
|
||
|
|
};
|
||
|
|
}else{
|
||
|
|
//添加延伸线
|
||
|
|
if(!packCont.hasClass(ELEM_EXTEND)){
|
||
|
|
packCont.addClass(ELEM_EXTEND);
|
||
|
|
};
|
||
|
|
//子节点添加延伸线
|
||
|
|
elem.find('.'+ELEM_PACK).each(function(){
|
||
|
|
$(this).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
|
||
|
|
});
|
||
|
|
//如果前一个节点有延伸线
|
||
|
|
if(packCont.children('.'+ELEM_SET).last().prev().hasClass(ELEM_LINE_SHORT)){
|
||
|
|
packCont.children('.'+ELEM_SET).last().prev().removeClass(ELEM_LINE_SHORT);
|
||
|
|
}else{
|
||
|
|
//若之前的没有，说明处于连接状态
|
||
|
|
packCont.children('.'+ELEM_SET).last().removeClass(ELEM_LINE_SHORT);
|
||
|
|
};
|
||
|
|
//若是最外层，要始终保持相连的状态
|
||
|
|
if(!elem.parent('.'+ELEM_PACK)[0] && elem.next()[0]){
|
||
|
|
packCont.children('.'+ELEM_SET).last().removeClass(ELEM_LINE_SHORT);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
if(!options.showCheckbox) return;
|
||
|
|
//若开启复选框，同步新增节点状态
|
||
|
|
if(elemMain.find('input[same="layuiTreeCheck"]')[0].checked){
|
||
|
|
var packLast = elem.children('.'+ELEM_PACK).children('.'+ELEM_SET).last();
|
||
|
|
packLast.find('input[same="layuiTreeCheck"]')[0].checked = true;
|
||
|
|
};
|
||
|
|
that.renderForm('checkbox');
|
||
|
|
|
||
|
|
//修改
|
||
|
|
}else if(type == 'update'){
|
||
|
|
var text = elemMain.children('.'+ ELEM_TEXT).html();
|
||
|
|
elemMain.children('.'+ ELEM_TEXT).html('');
|
||
|
|
//添加输入框，覆盖在文字上方
|
||
|
|
elemMain.append('<input type="text" class="layui-tree-editInput">');
|
||
|
|
//获取焦点
|
||
|
|
elemMain.children('.layui-tree-editInput').val(text).focus();
|
||
|
|
//嵌入文字移除输入框
|
||
|
|
var getVal = function(input){
|
||
|
|
var textNew = input.val().trim();
|
||
|
|
textNew = textNew ? textNew : options.text.defaultNodeName;
|
||
|
|
input.remove();
|
||
|
|
elemMain.children('.'+ ELEM_TEXT).html(textNew);
|
||
|
|
|
||
|
|
//同步数据
|
||
|
|
returnObj.data.title = textNew;
|
||
|
|
|
||
|
|
//节点修改的回调
|
||
|
|
options.operate && options.operate(returnObj);
|
||
|
|
};
|
||
|
|
//失去焦点
|
||
|
|
elemMain.children('.layui-tree-editInput').blur(function(){
|
||
|
|
getVal($(this));
|
||
|
|
});
|
||
|
|
//回车
|
||
|
|
elemMain.children('.layui-tree-editInput').on('keydown', function(e){
|
||
|
|
if(e.keyCode === 13){
|
||
|
|
e.preventDefault();
|
||
|
|
getVal($(this));
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
//删除
|
||
|
|
} else {
|
||
|
|
layer.confirm('确认删除该节点 "<span style="color: #999;">'+ (item.title || '') +'</span>" 吗？', function(index){
|
||
|
|
options.operate && options.operate(returnObj); //节点删除的回调
|
||
|
|
returnObj.status = 'remove'; //标注节点删除
|
||
|
|
|
||
|
|
layer.close(index);
|
||
|
|
|
||
|
|
//若删除最后一个，显示空数据提示
|
||
|
|
if(!elem.prev('.'+ELEM_SET)[0] && !elem.next('.'+ELEM_SET)[0] && !elem.parent('.'+ELEM_PACK)[0]){
|
||
|
|
elem.remove();
|
||
|
|
that.elem.append(that.elemNone);
|
||
|
|
return;
|
||
|
|
};
|
||
|
|
//若有兄弟节点
|
||
|
|
if(elem.siblings('.'+ELEM_SET).children('.'+ELEM_ENTRY)[0]){
|
||
|
|
//若开启复选框
|
||
|
|
if(options.showCheckbox){
|
||
|
|
//若开启复选框，进行下步操作
|
||
|
|
var elemDel = function(elem){
|
||
|
|
//若无父结点，则不执行
|
||
|
|
if(!elem.parents('.'+ELEM_SET)[0]) return;
|
||
|
|
var siblingTree = elem.siblings('.'+ELEM_SET).children('.'+ELEM_ENTRY)
|
||
|
|
,parentTree = elem.parent('.'+ELEM_PACK).prev()
|
||
|
|
,checkState = parentTree.find('input[same="layuiTreeCheck"]')[0]
|
||
|
|
,state = 1, num = 0;
|
||
|
|
//若父节点未勾选
|
||
|
|
if(checkState.checked == false){
|
||
|
|
//遍历兄弟节点
|
||
|
|
siblingTree.each(function(i, item1){
|
||
|
|
var input = $(item1).find('input[same="layuiTreeCheck"]')[0]
|
||
|
|
if(input.checked == false && !input.disabled){
|
||
|
|
state = 0;
|
||
|
|
};
|
||
|
|
//判断是否全为不可勾选框
|
||
|
|
if(!input.disabled){
|
||
|
|
num = 1;
|
||
|
|
};
|
||
|
|
});
|
||
|
|
//若有可勾选选择框并且已勾选
|
||
|
|
if(state == 1 && num == 1){
|
||
|
|
//勾选父节点
|
||
|
|
checkState.checked = true;
|
||
|
|
that.renderForm('checkbox');
|
||
|
|
//向上遍历祖先节点
|
||
|
|
elemDel(parentTree.parent('.'+ELEM_SET));
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
elemDel(elem);
|
||
|
|
};
|
||
|
|
//若开启连接线
|
||
|
|
if(options.showLine){
|
||
|
|
//遍历兄弟节点，判断兄弟节点是否有子节点
|
||
|
|
var siblings = elem.siblings('.'+ELEM_SET), num = 1
|
||
|
|
,parentPack = elem.parent('.'+ELEM_PACK);
|
||
|
|
layui.each(siblings, function(index, i){
|
||
|
|
if(!$(i).children('.'+ELEM_PACK)[0]){
|
||
|
|
num = 0;
|
||
|
|
};
|
||
|
|
});
|
||
|
|
//若兄弟节点都有子节点
|
||
|
|
if(num == 1){
|
||
|
|
//若节点本身无子节点
|
||
|
|
if(!packCont[0]){
|
||
|
|
//父级去除延伸线，因为此时子节点里没有空节点
|
||
|
|
parentPack.removeClass(ELEM_EXTEND);
|
||
|
|
siblings.children('.'+ELEM_PACK).addClass(ELEM_SHOW);
|
||
|
|
siblings.children('.'+ELEM_PACK).children('.'+ELEM_SET).removeClass(ELEM_LINE_SHORT);
|
||
|
|
};
|
||
|
|
//若为最后一个节点
|
||
|
|
if(!elem.next()[0]){
|
||
|
|
elem.prev().children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
|
||
|
|
}else{
|
||
|
|
parentPack.children('.'+ELEM_SET).last().children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
|
||
|
|
};
|
||
|
|
//若为最外层最后一个节点，去除前一个结点的连接线
|
||
|
|
if(!elem.next()[0] && !elem.parents('.'+ELEM_SET)[1] && !elem.parents('.'+ELEM_SET).eq(0).next()[0]){
|
||
|
|
elem.prev('.'+ELEM_SET).addClass(ELEM_LINE_SHORT);
|
||
|
|
};
|
||
|
|
}else{
|
||
|
|
//若为最后一个节点且有延伸线
|
||
|
|
if(!elem.next()[0] && elem.hasClass(ELEM_LINE_SHORT)){
|
||
|
|
elem.prev().addClass(ELEM_LINE_SHORT);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
}else{
|
||
|
|
//若无兄弟节点
|
||
|
|
var prevDiv = elem.parent('.'+ELEM_PACK).prev();
|
||
|
|
//若开启了连接线
|
||
|
|
if(options.showLine){
|
||
|
|
prevDiv.find('.'+ICON_CLICK).removeClass('layui-tree-icon');
|
||
|
|
prevDiv.find('.'+ICON_CLICK).children('.layui-icon').removeClass(ICON_SUB).addClass('layui-icon-file');
|
||
|
|
//父节点所在层添加延伸线
|
||
|
|
var pare = prevDiv.parents('.'+ELEM_PACK).eq(0);
|
||
|
|
pare.addClass(ELEM_EXTEND);
|
||
|
|
|
||
|
|
//兄弟节点最后子节点添加延伸线
|
||
|
|
pare.children('.'+ELEM_SET).each(function(){
|
||
|
|
$(this).children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
|
||
|
|
});
|
||
|
|
}else{
|
||
|
|
//父节点隐藏箭头
|
||
|
|
prevDiv.find('.layui-tree-iconArrow').addClass(HIDE);
|
||
|
|
};
|
||
|
|
//移除展开属性
|
||
|
|
elem.parents('.'+ELEM_SET).eq(0).removeClass(ELEM_SPREAD);
|
||
|
|
//移除节点容器
|
||
|
|
elem.parent('.'+ELEM_PACK).remove();
|
||
|
|
};
|
||
|
|
|
||
|
|
elem.remove();
|
||
|
|
});
|
||
|
|
|
||
|
|
};
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
//部分事件
|
||
|
|
Class.prototype.events = function(){
|
||
|
|
var that = this
|
||
|
|
,options = that.config
|
||
|
|
,checkWarp = that.elem.find('.layui-tree-checkedFirst');
|
||
|
|
|
||
|
|
//初始选中
|
||
|
|
that.setChecked(that.checkids);
|
||
|
|
|
||
|
|
//搜索
|
||
|
|
that.elem.find('.layui-tree-search').on('keyup', function(){
|
||
|
|
var input = $(this)
|
||
|
|
,val = input.val()
|
||
|
|
,pack = input.nextAll()
|
||
|
|
,arr = [];
|
||
|
|
|
||
|
|
//遍历所有的值
|
||
|
|
pack.find('.'+ ELEM_TEXT).each(function(){
|
||
|
|
var entry = $(this).parents('.'+ELEM_ENTRY);
|
||
|
|
//若值匹配，加一个类以作标识
|
||
|
|
if($(this).html().indexOf(val) != -1){
|
||
|
|
arr.push($(this).parent());
|
||
|
|
|
||
|
|
var select = function(div){
|
||
|
|
div.addClass('layui-tree-searchShow');
|
||
|
|
//向上父节点渲染
|
||
|
|
if(div.parent('.'+ELEM_PACK)[0]){
|
||
|
|
select(div.parent('.'+ELEM_PACK).parent('.'+ELEM_SET));
|
||
|
|
};
|
||
|
|
};
|
||
|
|
select(entry.parent('.'+ELEM_SET));
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
//根据标志剔除
|
||
|
|
pack.find('.'+ELEM_ENTRY).each(function(){
|
||
|
|
var parent = $(this).parent('.'+ELEM_SET);
|
||
|
|
if(!parent.hasClass('layui-tree-searchShow')){
|
||
|
|
parent.addClass(HIDE);
|
||
|
|
};
|
||
|
|
});
|
||
|
|
if(pack.find('.layui-tree-searchShow').length == 0){
|
||
|
|
that.elem.append(that.elemNone);
|
||
|
|
};
|
||
|
|
|
||
|
|
//节点过滤的回调
|
||
|
|
options.onsearch && options.onsearch({
|
||
|
|
elem: arr
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
//还原搜索初始状态
|
||
|
|
that.elem.find('.layui-tree-search').on('keydown', function(){
|
||
|
|
$(this).nextAll().find('.'+ELEM_ENTRY).each(function(){
|
||
|
|
var parent = $(this).parent('.'+ELEM_SET);
|
||
|
|
parent.removeClass('layui-tree-searchShow '+ HIDE);
|
||
|
|
});
|
||
|
|
if($('.layui-tree-emptyText')[0]) $('.layui-tree-emptyText').remove();
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
//得到选中节点
|
||
|
|
Class.prototype.getChecked = function(){
|
||
|
|
var that = this
|
||
|
|
,options = that.config
|
||
|
|
,checkId = []
|
||
|
|
,checkData = [];
|
||
|
|
|
||
|
|
//遍历节点找到选中索引
|
||
|
|
that.elem.find('.layui-form-checked').each(function(){
|
||
|
|
checkId.push($(this).prev()[0].value);
|
||
|
|
});
|
||
|
|
|
||
|
|
//遍历节点
|
||
|
|
var eachNodes = function(data, checkNode){
|
||
|
|
layui.each(data, function(index, item){
|
||
|
|
layui.each(checkId, function(index2, item2){
|
||
|
|
if(item.id == item2){
|
||
|
|
var cloneItem = $.extend({}, item);
|
||
|
|
delete cloneItem.children;
|
||
|
|
|
||
|
|
checkNode.push(cloneItem);
|
||
|
|
|
||
|
|
if(item.children){
|
||
|
|
cloneItem.children = [];
|
||
|
|
eachNodes(item.children, cloneItem.children);
|
||
|
|
}
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
eachNodes($.extend({}, options.data), checkData);
|
||
|
|
|
||
|
|
return checkData;
|
||
|
|
};
|
||
|
|
|
||
|
|
//设置选中节点
|
||
|
|
Class.prototype.setChecked = function(checkedId){
|
||
|
|
var that = this
|
||
|
|
,options = that.config;
|
||
|
|
|
||
|
|
//初始选中
|
||
|
|
that.elem.find('.'+ELEM_SET).each(function(i, item){
|
||
|
|
var thisId = $(this).data('id')
|
||
|
|
,input = $(item).children('.'+ELEM_ENTRY).find('input[same="layuiTreeCheck"]')
|
||
|
|
,reInput = input.next();
|
||
|
|
|
||
|
|
//若返回数字
|
||
|
|
if(typeof checkedId === 'number'){
|
||
|
|
if(thisId == checkedId){
|
||
|
|
if(!input[0].checked){
|
||
|
|
reInput.click();
|
||
|
|
};
|
||
|
|
return false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
//若返回数组
|
||
|
|
else if(typeof checkedId === 'object'){
|
||
|
|
layui.each(checkedId, function(index, value){
|
||
|
|
if(value == thisId && !input[0].checked){
|
||
|
|
reInput.click();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
//记录所有实例
|
||
|
|
thisModule.that = {}; //记录所有实例对象
|
||
|
|
thisModule.config = {}; //记录所有实例配置项
|
||
|
|
|
||
|
|
//重载实例
|
||
|
|
tree.reload = function(id, options){
|
||
|
|
var that = thisModule.that[id];
|
||
|
|
that.reload(options);
|
||
|
|
|
||
|
|
return thisModule.call(that);
|
||
|
|
};
|
||
|
|
|
||
|
|
//获得选中的节点数据
|
||
|
|
tree.getChecked = function(id){
|
||
|
|
var that = thisModule.that[id];
|
||
|
|
return that.getChecked();
|
||
|
|
};
|
||
|
|
|
||
|
|
//设置选中节点
|
||
|
|
tree.setChecked = function(id, checkedId){
|
||
|
|
var that = thisModule.that[id];
|
||
|
|
return that.setChecked(checkedId);
|
||
|
|
};
|
||
|
|
|
||
|
|
//核心入口
|
||
|
|
tree.render = function(options){
|
||
|
|
var inst = new Class(options);
|
||
|
|
return thisModule.call(inst);
|
||
|
|
};
|
||
|
|
|
||
|
|
exports(MOD_NAME, tree);
|
||
|
|
})
|