mirror of https://github.com/layui/layui
508 lines
14 KiB
JavaScript
508 lines
14 KiB
JavaScript
import layui from '../core.js';
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import $ from 'jquery';
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import { laytpl } from './laytpl.js';
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import { form } from './form.js';
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/**
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* transfer 穿梭框组件
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*/
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// 模块名
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var MOD_NAME = 'transfer';
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// 外部接口
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var transfer = {
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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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var thisModule = function(){
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var that = this;
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var options = that.config;
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var 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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// 获取右侧数据
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getData: function(){
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return that.getData.call(that);
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}
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}
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};
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var HIDE = 'layui-hide';
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var DISABLED = 'layui-btn-disabled';
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var NONE = 'layui-none';
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var ELEM_BOX = 'layui-transfer-box';
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var ELEM_HEADER = 'layui-transfer-header';
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var ELEM_SEARCH = 'layui-transfer-search';
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var ELEM_ACTIVE = 'layui-transfer-active';
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var ELEM_DATA = 'layui-transfer-data';
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// 穿梭框模板
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var TPL_BOX = function(obj){
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obj = obj || {};
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return ['<div class="layui-transfer-box" data-index="'+ obj.index +'">',
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'<div class="layui-transfer-header">',
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'<input type="checkbox" name="'+ obj.checkAllName +'" lay-filter="layTransferCheckbox" lay-type="all" lay-skin="primary" title="{{= d.data.title['+ obj.index +'] || \'list'+ (obj.index + 1) +'\' }}">',
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'</div>',
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'{{# if(d.data.showSearch){ }}',
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'<div class="layui-transfer-search">',
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'<i class="layui-icon layui-icon-search"></i>',
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'<input type="text" class="layui-input" placeholder="关键词搜索">',
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'</div>',
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'{{# } }}',
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'<ul class="layui-transfer-data"></ul>',
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'</div>'].join('');
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};
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// 主模板
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var TPL_MAIN = ['<div class="layui-transfer layui-form layui-border-box" lay-filter="LAY-transfer-{{= d.index }}">',
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TPL_BOX({
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index: 0,
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checkAllName: 'layTransferLeftCheckAll'
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}),
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'<div class="layui-transfer-active">',
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'<button type="button" class="layui-btn layui-btn-sm layui-btn-primary layui-btn-disabled" data-index="0">',
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'<i class="layui-icon layui-icon-next"></i>',
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'</button>',
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'<button type="button" class="layui-btn layui-btn-sm layui-btn-primary layui-btn-disabled" data-index="1">',
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'<i class="layui-icon layui-icon-prev"></i>',
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'</button>',
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'</div>',
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TPL_BOX({
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index: 1,
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checkAllName: 'layTransferRightCheckAll'
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}),
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'</div>'].join('');
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// 构造器
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var Class = function(options){
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var that = this;
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that.index = ++transfer.index;
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that.config = $.extend({}, that.config, transfer.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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title: ['列表一', '列表二'],
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width: 200,
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height: 360,
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data: [], // 数据源
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value: [], // 选中的数据
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showSearch: false, // 是否开启搜索
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id: '', // 唯一索引，默认自增 index
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text: {
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none: '无数据',
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searchNone: '无匹配数据'
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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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that.config = $.extend({}, that.config, options);
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that.render();
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};
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// 渲染
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Class.prototype.render = function(){
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var that = this;
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var options = that.config;
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// 解析模板
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var thisElem = that.elem = $(laytpl(TPL_MAIN, {
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open: '{{', // 标签符前缀
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close: '}}', // 标签符后缀
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tagStyle: 'legacy'
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}).render({
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data: options,
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index: that.index // 索引
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}));
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var othis = options.elem = $(options.elem);
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if(!othis[0]) return;
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// 初始化属性
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options.data = options.data || [];
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options.value = options.value || [];
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// 初始化 id 属性 - 优先取 options > 元素 id > 自增索引
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options.id = 'id' in options ? options.id : (
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elem.attr('id') || that.index
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);
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that.key = options.id;
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// 插入组件结构
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othis.html(that.elem);
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// 各级容器
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that.layBox = that.elem.find('.'+ ELEM_BOX);
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that.layHeader = that.elem.find('.'+ ELEM_HEADER);
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that.laySearch = that.elem.find('.'+ ELEM_SEARCH);
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that.layData = thisElem.find('.'+ ELEM_DATA);
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that.layBtn = thisElem.find('.'+ ELEM_ACTIVE + ' .layui-btn');
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// 初始化尺寸
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that.layBox.css({
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width: options.width,
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height: options.height
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});
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that.layData.css({
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height: function(){
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var height = options.height - that.layHeader.outerHeight();
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if(options.showSearch){
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height -= that.laySearch.outerHeight();
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}
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return height - 2;
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}()
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});
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that.renderData(); // 渲染数据
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that.events(); // 事件
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};
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// 渲染数据
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Class.prototype.renderData = function(){
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var that = this;
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var options = that.config;
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// 左右穿梭框差异数据
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var arr = [{
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checkName: 'layTransferLeftCheck',
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views: []
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}, {
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checkName: 'layTransferRightCheck',
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views: []
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}];
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// 解析格式
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that.parseData(function(item){
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// 标注为 selected 的为右边的数据
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var _index = item.selected ? 1 : 0;
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var listElem = ['<li>',
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'<input type="checkbox" name="'+ arr[_index].checkName +'" lay-skin="primary" lay-filter="layTransferCheckbox" title="'+ item.title +'"'+ (item.disabled ? ' disabled' : '') + (item.checked ? ' checked' : '') +' value="'+ item.value +'">',
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'</li>'].join('');
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// 按照 options.value 顺序排列右侧数据
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if(_index){
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layui.each(options.value, function(i, v){
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if(v == item.value && item.selected){
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arr[_index].views[i] = listElem;
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}
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});
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} else {
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arr[_index].views.push(listElem);
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}
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delete item.selected;
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});
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that.layData.eq(0).html(arr[0].views.join(''));
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that.layData.eq(1).html(arr[1].views.join(''));
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that.renderCheckBtn();
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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-transfer-'+ this.index);
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};
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// 同步复选框和按钮状态
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Class.prototype.renderCheckBtn = function(obj){
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var that = this;
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var options = that.config;
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obj = obj || {};
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that.layBox.each(function(_index){
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var othis = $(this);
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var thisDataElem = othis.find('.'+ ELEM_DATA);
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var allElemCheckbox = othis.find('.'+ ELEM_HEADER).find('input[type="checkbox"]');
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var listElemCheckbox = thisDataElem.find('input[type="checkbox"]');
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// 同步复选框和按钮状态
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var nums = 0;
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var haveChecked = false;
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listElemCheckbox.each(function(){
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var isHide = $(this).data('hide');
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if(this.checked || this.disabled || isHide){
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nums++;
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}
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if(this.checked && !isHide){
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haveChecked = true;
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}
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});
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allElemCheckbox.prop('checked', haveChecked && nums === listElemCheckbox.length); // 全选复选框状态
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that.layBtn.eq(_index)[haveChecked ? 'removeClass' : 'addClass'](DISABLED); // 对应的按钮状态
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// 无数据视图
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if(!obj.stopNone){
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var isNone = thisDataElem.children('li:not(.'+ HIDE +')').length;
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that.noneView(thisDataElem, isNone ? '' : options.text.none);
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}
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});
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that.renderForm('checkbox');
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};
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// 无数据视图
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Class.prototype.noneView = function(thisDataElem, text){
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var createNoneElem = $('<p class="layui-none">'+ (text || '') +'</p>');
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if(thisDataElem.find('.'+ NONE)[0]){
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thisDataElem.find('.'+ NONE).remove();
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}
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text.replace(/\s/g, '') && thisDataElem.append(createNoneElem);
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};
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// 同步 value 属性值
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Class.prototype.setValue = function(){
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var that = this;
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var options = that.config;
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var arr = [];
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that.layBox.eq(1).find('.'+ ELEM_DATA +' input[type="checkbox"]').each(function(){
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var isHide = $(this).data('hide');
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isHide || arr.push(this.value);
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});
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options.value = arr;
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return that;
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};
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// 解析数据
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Class.prototype.parseData = function(callback){
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var that = this;
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var options = that.config;
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var newData = [];
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layui.each(options.data, function(index, item){
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// 解析格式
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item = (typeof options.parseData === 'function'
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? options.parseData(item)
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: item) || item;
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newData.push(item = $.extend({}, item));
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layui.each(options.value, function(index2, item2){
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if(item2 == item.value){
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item.selected = true;
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}
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});
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callback && callback(item);
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});
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options.data = newData;
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return that;
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};
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// 获得右侧面板数据
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Class.prototype.getData = function(value){
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var that = this;
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var options = that.config;
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var selectedData = [];
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that.setValue();
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layui.each(value || options.value, function(index, item){
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layui.each(options.data, function(index2, item2){
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delete item2.selected;
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if(item == item2.value){
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selectedData.push(item2);
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} });
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});
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return selectedData;
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};
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// 执行穿梭
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Class.prototype.transfer = function (_index, elem) {
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var that = this;
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var options = that.config;
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var thisBoxElem = that.layBox.eq(_index);
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var arr = [];
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if (!elem) {
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// 通过按钮触发找到选中的进行移动
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thisBoxElem.each(function(_index){
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var othis = $(this);
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var thisDataElem = othis.find('.'+ ELEM_DATA);
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thisDataElem.children('li').each(function(){
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var thisList = $(this);
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var thisElemCheckbox = thisList.find('input[type="checkbox"]');
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var isHide = thisElemCheckbox.data('hide');
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if(thisElemCheckbox[0].checked && !isHide){
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thisElemCheckbox[0].checked = false;
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thisBoxElem.siblings('.'+ ELEM_BOX).find('.'+ ELEM_DATA).append(thisList.clone());
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thisList.remove();
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// 记录当前穿梭的数据
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arr.push(thisElemCheckbox[0].value);
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}
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that.setValue();
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});
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});
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} else {
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// 双击单条记录移动
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var thisList = elem;
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var thisElemCheckbox = thisList.find('input[type="checkbox"]');
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thisElemCheckbox[0].checked = false;
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thisBoxElem.siblings('.'+ ELEM_BOX).find('.'+ ELEM_DATA).append(thisList.clone());
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thisList.remove();
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// 记录当前穿梭的数据
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arr.push(thisElemCheckbox[0].value);
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that.setValue();
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}
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that.renderCheckBtn();
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// 穿梭时，如果另外一个框正在搜索，则触发匹配
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var siblingInput = thisBoxElem.siblings('.'+ ELEM_BOX).find('.'+ ELEM_SEARCH +' input');
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siblingInput.val() === '' || siblingInput.trigger('keyup');
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// 穿梭时的回调
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options.onchange && options.onchange(that.getData(arr), _index);
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};
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// 事件
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Class.prototype.events = function(){
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var that = this;
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var options = that.config;
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// 左右复选框
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that.elem.on('click', 'input[lay-filter="layTransferCheckbox"]+', function(){
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var thisElemCheckbox = $(this).prev();
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var checked = thisElemCheckbox[0].checked;
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var thisDataElem = thisElemCheckbox.parents('.'+ ELEM_BOX).eq(0).find('.'+ ELEM_DATA);
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if(thisElemCheckbox[0].disabled) return;
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// 判断是否全选
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if(thisElemCheckbox.attr('lay-type') === 'all'){
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thisDataElem.find('input[type="checkbox"]').each(function(){
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if(this.disabled) return;
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this.checked = checked;
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});
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}
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setTimeout(function () {
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that.renderCheckBtn({stopNone: true});
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}, 0);
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});
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// 双击穿梭
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that.elem.on('dblclick', '.' + ELEM_DATA + '>li', function(event){
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var elemThis = $(this);
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var thisElemCheckbox = elemThis.children('input[type="checkbox"]');
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var thisDataElem = elemThis.parent();
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var thisBoxElem = thisDataElem.parent();
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var index = thisBoxElem.data('index');
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if(thisElemCheckbox[0].disabled) return;
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// 根据 dblclick 回调函数返回值决定是否执行穿梭 --- 2.9.3+
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var ret = typeof options.dblclick === 'function' ? options.dblclick({
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elem: elemThis,
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data: that.getData([thisElemCheckbox[0].value])[0],
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index: index
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}) : null;
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if(ret === false) return;
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that.transfer(index, elemThis);
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});
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// 穿梭按钮事件
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that.layBtn.on('click', function(){
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var othis = $(this);
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var _index = othis.data('index');
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if(othis.hasClass(DISABLED)) return;
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that.transfer(_index);
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});
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// 搜索
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that.laySearch.find('input').on('keyup', function(){
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var value = this.value;
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var thisDataElem = $(this).parents('.'+ ELEM_SEARCH).eq(0).siblings('.'+ ELEM_DATA);
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var thisListElem = thisDataElem.children('li');
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thisListElem.each(function(){
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var thisList = $(this);
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var thisElemCheckbox = thisList.find('input[type="checkbox"]');
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var title = thisElemCheckbox[0].title;
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// 是否区分大小写
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if(options.showSearch !== 'cs'){
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title = title.toLowerCase();
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value = value.toLowerCase();
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}
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var isMatch = title.indexOf(value) !== -1;
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thisList[isMatch ? 'removeClass': 'addClass'](HIDE);
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thisElemCheckbox.data('hide', isMatch ? false : true);
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});
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that.renderCheckBtn();
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// 无匹配数据视图
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var isNone = thisListElem.length === thisDataElem.children('li.'+ HIDE).length;
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that.noneView(thisDataElem, isNone ? options.text.searchNone : '');
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});
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};
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// 记录所有实例
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thisModule.that = {}; // 记录所有实例对象
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thisModule.config = {}; // 记录所有实例配置项
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// 重载实例
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transfer.reload = function(id, options){
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var that = thisModule.that[id];
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that.reload(options);
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return thisModule.call(that);
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};
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// 获得选中的数据（右侧面板）
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transfer.getData = function(id){
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var that = thisModule.that[id];
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return that.getData();
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};
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// 核心入口
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transfer.render = function(options){
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var inst = new Class(options);
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return thisModule.call(inst);
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};
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export { transfer as default, transfer };
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//# sourceMappingURL=transfer.js.map
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