layui.define(['table', 'jquery', 'form'], function (exports) {
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"use strict";
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var MOD_NAME = 'tableSelect',
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$ = layui.jquery,
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table = layui.table,
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form = layui.form;
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var tableSelect = function () {
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this.v = '1.2.0';
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};
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/**
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* 初始化表格选择器
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*/
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tableSelect.prototype.render = function (opt) {
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var elem = $(opt.elem);
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//默认设置
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opt.searchKey = opt.searchKey || 'keyword';
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opt.checkedKey = opt.checkedKey;
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opt.table.page = opt.table.page || false;
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opt.table.height = opt.table.height || 290;
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elem.off('click').on('click', function(e) {
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e.stopPropagation();
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if($('div.tableSelect').length >= 1){
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return false;
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}
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var t = elem.offset().top + elem.outerHeight()+"px";
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var l = elem.offset().left +"px";
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var tableName = "tableSelect_table_" + new Date().getTime();
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var tableBox = '<div class="tableSelect layui-anim layui-anim-upbit" style="left:'+l+';top:'+t+';border: 1px solid #d2d2d2;background-color: #fff;box-shadow: 0 2px 4px rgba(0,0,0,.12);padding:10px 10px 0 10px;position: absolute;z-index:66666666;margin: 5px 0;border-radius: 2px;min-width:530px;">';
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tableBox += '<div class="tableSelectBar">';
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tableBox += '<button style="float:left;" class="layui-btn layui-btn-sm tableSelect_btn_select">选择<span></span></button>';
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tableBox += '</div>';
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tableBox += '<table id="'+tableName+'" lay-filter="'+tableName+'" style="margin-top:20px"></table>';
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tableBox += '</div>';
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tableBox = $(tableBox);
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$('body').append(tableBox);
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//数据缓存
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var checkedData = [];
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//渲染TABLE
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opt.table.elem = "#"+tableName;
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opt.table.id = tableName;
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opt.table.where['sWhere'] = opt.sWhere
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opt.table.request={//设置页参数
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pageName: 'page', // 页码的参数名称，默认：page
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limitName: 'size' // 每页数据条数的参数名，默认：limit
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};
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opt.table.parseData=function(res){
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return {
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"code": 0, // 解析接口状态
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"msg": res.Message, // 解析提示文本
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"count": res.count, // 解析数据长度
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"data": res.data // 解析数据列表
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};
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}
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opt.table.done = function(res, curr, count){
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defaultChecked(res, curr, count);
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setChecked(res, curr, count);
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};
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var tableSelect_table = table.render(opt.table);
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//分页选中保存数组
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table.on('radio('+tableName+')', function(obj){
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if(opt.checkedKey){
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checkedData = table.checkStatus(tableName).data
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}
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updataButton(table.checkStatus(tableName).data.length)
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})
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table.on('checkbox(' + tableName + ')', function (obj) {
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if(opt.checkedKey){
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if(obj.checked){
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for (var i=0;i<table.checkStatus(tableName).data.length;i++){
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checkedData.push(table.checkStatus(tableName).data[i])
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}
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}else{
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if(obj.type=='all'){
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for (var j=0;j<table.cache[tableName].length;j++) {
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for (var i=0;i<checkedData.length;i++){
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if(checkedData[i][opt.checkedKey] == table.cache[tableName][j][opt.checkedKey]){
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checkedData.splice(i,1)
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}
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}
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}
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}else{
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//因为LAYUI问题，操作到变化全选状态时获取到的obj为空，这里用函数获取未选中的项。
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function nu (){
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var noCheckedKey = '';
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for (var i=0;i<table.cache[tableName].length;i++){
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if(!table.cache[tableName][i].LAY_CHECKED){
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noCheckedKey = table.cache[tableName][i][opt.checkedKey];
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}
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}
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return noCheckedKey
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}
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var noCheckedKey = obj.data[opt.checkedKey] || nu();
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for (var i=0;i<checkedData.length;i++){
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if(checkedData[i][opt.checkedKey] == noCheckedKey){
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checkedData.splice(i,1);
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}
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}
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}
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}
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checkedData = uniqueObjArray(checkedData, opt.checkedKey);
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updataButton(checkedData.length)
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}else{
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updataButton(table.checkStatus(tableName).data.length)
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}
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});
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//渲染表格后选中
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function setChecked (res, curr, count) {
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for(var i=0;i<res.data.length;i++){
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for (var j=0;j<checkedData.length;j++) {
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if(res.data[i][opt.checkedKey] == checkedData[j][opt.checkedKey]){
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res.data[i].LAY_CHECKED = true;
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var index= res.data[i]['LAY_TABLE_INDEX'];
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var checkbox = $('#'+tableName+'').next().find('tr[data-index=' + index + '] input[type="checkbox"]');
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checkbox.prop('checked', true).next().addClass('layui-form-checked');
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var radio = $('#'+tableName+'').next().find('tr[data-index=' + index + '] input[type="radio"]');
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radio.prop('checked', true).next().addClass('layui-form-radioed').find("i").html('');
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radio.closest('tr').addClass('layui-table-click');
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}
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}
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}
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var checkStatus = table.checkStatus(tableName);
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if(checkStatus.isAll){
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$('#'+tableName+'').next().find('.layui-table-header th[data-field="0"] input[type="checkbox"]').prop('checked', true);
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$('#'+tableName+'').next().find('.layui-table-header th[data-field="0"] input[type="checkbox"]').next().addClass('layui-form-checked');
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}
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updataButton(checkedData.length)
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}
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//写入默认选中值(puash checkedData)
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function defaultChecked (res, curr, count){
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if(opt.checkedKey && elem.attr('ts-selected')){
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var selected = elem.attr('ts-selected').split(",");
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for(var i=0;i<res.data.length;i++){
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for(var j=0;j<selected.length;j++){
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if(res.data[i][opt.checkedKey] == selected[j]){
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checkedData.push(res.data[i])
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}
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}
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}
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checkedData = uniqueObjArray(checkedData, opt.checkedKey);
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}
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}
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//更新选中数量
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function updataButton (n) {
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tableBox.find('.tableSelect_btn_select span').html(n==0?'':'('+n+')')
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}
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//数组去重
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function uniqueObjArray(arr, type){
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var newArr = [];
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var tArr = [];
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if(arr.length == 0){
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return arr;
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}else{
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if(type){
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for(var i=0;i<arr.length;i++){
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if(!tArr[arr[i][type]]){
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newArr.push(arr[i]);
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tArr[arr[i][type]] = true;
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}
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}
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return newArr;
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}else{
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for(var i=0;i<arr.length;i++){
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if(!tArr[arr[i]]){
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newArr.push(arr[i]);
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tArr[arr[i]] = true;
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}
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}
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return newArr;
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}
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}
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}
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//FIX位置如何下面放不下放上面
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var overHeight = (elem.offset().top + elem.outerHeight() + tableBox.outerHeight() - $(window).scrollTop()) > $(window).height();
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var overWidth = (elem.offset().left + tableBox.outerWidth()) > $(window).width();
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overHeight && tableBox.css({ 'top': elem.offset().top - tableBox.outerHeight()+'px','bottom':'auto'});
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overWidth && tableBox.css({'left':'auto','right':'5px'})
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//输入框上下回车动作
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elem.off('keydown').on('keydown', function (e) {
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var tableElem = $(opt.table.elem).next().find('tbody');
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//单选框上下键动作
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if (opt.table.cols[0][0]["type"] == "radio") {
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// 获取表格的选中的行
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var tr = tableElem.find('tr.layui-table-click');
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switch (event.key) {
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case "ArrowUp"://上键
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if (tr.length == 0) {
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tableElem.find('tr:first').children('td').eq(0).click();
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} else {
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tr['prev']().children('td').click();
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}
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break;
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case "ArrowDown"://下键
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if (tr.length == 0) {
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tableElem.find('tr:first').children('td').eq(0).click();
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} else {
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tr['next']().children('td').click();
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}
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break;
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case "Enter"://回车
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tableBox.find('.tableSelect_btn_select').click();
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break;
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}
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} else {
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//多选框
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var checkbox = tableElem.find('input[type="checkbox"]:checked');
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var tr = checkbox.closest('tr');
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switch (event.key) {
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case "ArrowUp"://上键
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if (tr.length == 0) {
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tableElem.find('tr:first').children('td').eq(0).click();
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} else {
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tr.children('td').click();
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tr['prev']().children('td').click();
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}
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break;
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case "ArrowDown"://下键
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if (tr.length == 0) {
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tr = tableElem.find('tr:first').children('td').eq(0).click();
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} else {
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tr.children('td').click();
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tr['next']().children('td').click();
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}
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break;
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case "Enter"://回车
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tableBox.find('.tableSelect_btn_select').click();
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break;
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}
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}
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})
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//输入框输入执行
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elem.off('input').on('input', function (e) {
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// 阻止表单提交（如果输入框在表单内）
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e.preventDefault();
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opt.table.where['sWhere'] = opt.sWhere + " and " + opt.searchKey + " like '%" + elem.val() + "%' ";
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tableSelect_table.reload({
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where: opt.table.where,
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page: {
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curr: 1
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}
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});
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})
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// //关键词搜索
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// form.on('submit(tableSelect_btn_search)', function(data){
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// // console.log(" and "+opt.searchKey +"='" + data.opt.searchKey +"'")
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// console.log(data);
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// opt.table.where['sWhere'] = " and "+opt.searchKey +" like '%" + data.field[opt.searchKey] +"%' ";
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// tableSelect_table.reload({
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// where: opt.table.where,
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// page: {
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// curr: 1
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// }
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// });
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// return false;
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// });
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//双击行选中
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table.on('rowDouble('+tableName+')', function(obj){
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var checkStatus = {data:[obj.data]};
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selectDone(checkStatus);
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})
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//单击选中行
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table.on('row('+tableName+')', function (obj) {
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//判断是否已经被选中是否是单选框
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if (obj.tr.find('.layui-form-radioed').length == 0 && opt.table.cols[0][0]["type"] == "radio") {
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//触发单选框选中事件
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obj.tr.find('i[class="layui-anim layui-icon"]').trigger("click");
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} else if(opt.table.cols[0][0]["type"] == "checkbox") { //复选框选中
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//选中行改变颜色
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var flag = !obj.tr.find(':checkbox:first').prop('checked');
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obj.tr.find(':checkbox').prop('checked', flag);
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if (flag) {
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obj.tr.find('.layui-form-checkbox').addClass('layui-form-checked'); //设置复选框选中样式
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$(obj.tr).attr({ "style": "background:#ceedfa;color:black" });//改变当前tr背景颜色和字体颜色
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} else {
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obj.tr.find('.layui-form-checkbox').removeClass('layui-form-checked');//取消复选框选中样式
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$(obj.tr).attr({ "style": "background:" });//取消当前tr颜色
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}
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//mainTable 为表格ID 注意此处如果ID不正确将导致你在监听复选框时获取不到你选择的数据，前面的只是添加或删除选中未选中样式以及设置背景色，字体颜色
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layui.each(table.cache[tableName], function (i, l) {
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if (obj.tr.index() == l.LAY_TABLE_INDEX) {
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l.LAY_CHECKED = flag;
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}
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});
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//更新按钮
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updataButton(table.checkStatus(tableName).data.length)
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}
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})
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//按钮选中
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tableBox.find('.tableSelect_btn_select').on('click', function() {
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var checkStatus = table.checkStatus(tableName);
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if(checkedData.length > 1){
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checkStatus.data = checkedData;
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}
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selectDone(checkStatus);
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})
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//写值回调和关闭
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function selectDone (checkStatus){
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if(opt.checkedKey){
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var selected = [];
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for(var i=0;i<checkStatus.data.length;i++){
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selected.push(checkStatus.data[i][opt.checkedKey])
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}
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elem.attr("ts-selected",selected.join(","));
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}
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opt.done(elem, checkStatus);
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tableBox.remove();
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delete table.cache[tableName];
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checkedData = [];
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}
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//点击其他区域关闭
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$(document).mouseup(function(e){
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var userSet_con = $(''+opt.elem+',.tableSelect');
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if(!userSet_con.is(e.target) && userSet_con.has(e.target).length === 0){
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tableBox.remove();
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delete table.cache[tableName];
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checkedData = [];
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}
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});
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})
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}
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/**
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* 隐藏选择器
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*/
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tableSelect.prototype.hide = function (opt) {
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$('.tableSelect').remove();
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}
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//自动完成渲染
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var tableSelect = new tableSelect();
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//FIX 滚动时错位
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if(window.top == window.self){
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$(window).scroll(function () {
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tableSelect.hide();
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});
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}
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exports(MOD_NAME, tableSelect);
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})
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