484 lines
17 KiB
JavaScript
484 lines
17 KiB
JavaScript
/**
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@Name：layui.transfer 穿梭框
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@Author：贤心
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@License：MIT
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*/
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layui.define(['laytpl', 'form'], function (exports) {
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"use strict";
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var $ = layui.$
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, laytpl = layui.laytpl
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, form = layui.form
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//模块名
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, MOD_NAME = 'transfer'
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//外部接口
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, 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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//事件监听
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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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//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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//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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, ELEM = 'layui-transfer', HIDE = 'layui-hide', DISABLED = 'layui-btn-disabled', NONE = 'layui-none'
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, ELEM_BOX = 'layui-transfer-box', ELEM_HEADER = 'layui-transfer-header', ELEM_SEARCH = 'layui-transfer-search', ELEM_ACTIVE = 'layui-transfer-active', ELEM_DATA = 'layui-transfer-data'
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//穿梭框模板
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, 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="input" 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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, 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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, 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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layui.each(options, function (key, item) {
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if (item.constructor === 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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//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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//解析模板
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var thisElem = that.elem = $(laytpl(TPL_MAIN).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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//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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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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return options.height - that.layHeader.outerHeight() - that.laySearch.outerHeight() - 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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, 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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, 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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arr[_index].views.push(listElem);
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delete item.selected;
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});
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// 扩展赋值的顺序跟勾选的顺序一致
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var newArr = [];
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layui.each(options.value, function (index, item1) {
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layui.each(arr[1].views, function (index2, item2) {
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var getValue = $(item2).find('input').attr('value');
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if (item1 == getValue) {
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newArr.push(item2);
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}
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});
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});
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// 扩展赋值的顺序跟勾选的顺序一致 end
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that.layData.eq(0).html(arr[0].views.join(''));
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that.layData.eq(1).html(newArr.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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, 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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, thisDataElem = othis.find('.' + ELEM_DATA)
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, allElemCheckbox = othis.find('.' + ELEM_HEADER).find('input[type="checkbox"]')
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, 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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, 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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, options = that.config
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, 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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, options = that.config
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, 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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, options = that.config
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, 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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});
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return selectedData;
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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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, 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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, checked = thisElemCheckbox[0].checked
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, 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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if (options.limit == undefined || options.limit == 0) {
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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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} else if (thisElemCheckbox.parent().parent().data('index') != 0) {
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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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}
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if (options.limit != undefined && options.limit > 0 && checked) {
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var selectCount = 0;
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thisDataElem.find('input[type="checkbox"]').each(function () {
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if (this.checked) {
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selectCount++;
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}
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});
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var selectedCount = 0;
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if (thisElemCheckbox.parent().parent().parent().data('index') == 0) {
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selectedCount = thisElemCheckbox.parent().parent().parent().next('div').next('div').find('ul li').length;
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}
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selectCount += selectedCount;
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if (options.limit < selectCount) {
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thisElemCheckbox[0].checked = false;
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layer.msg('最多选' + options.limit + "个", { icon: 0, time: 1500, shade: 0.3 });
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}
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//获取右侧数据
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if (selectedCount == options.limit) {
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thisElemCheckbox[0].checked = false;
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layer.msg('最多选' + options.limit + "个", { icon: 0, time: 1500, shade: 0.3 });
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}
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}
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that.renderCheckBtn({ stopNone: true });
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});
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//按钮事件
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that.layBtn.on('click', function () {
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var othis = $(this)
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, _index = othis.data('index')
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, thisBoxElem = that.layBox.eq(_index)
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, arr = [];
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if (othis.hasClass(DISABLED)) return;
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that.layBox.eq(_index).each(function (_index) {
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var othis = $(this)
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, 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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, thisElemCheckbox = thisList.find('input[type="checkbox"]')
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, 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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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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//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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, thisDataElem = $(this).parents('.' + ELEM_SEARCH).eq(0).siblings('.' + ELEM_DATA)
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, thisListElem = thisDataElem.children('li');
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thisListElem.each(function () {
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var thisList = $(this)
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, thisElemCheckbox = thisList.find('input[type="checkbox"]')
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, isMatch = thisElemCheckbox[0].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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exports(MOD_NAME, transfer);
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});
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