307 lines
9.1 KiB
JavaScript
307 lines
9.1 KiB
JavaScript
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//import API from '../../../utils/API.js'
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import ArrayUtils from 'ArrayUtils.js'
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//import EventBus from '../../../components/NotificationCenter/WxNotificationCenter.js'
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Page({
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data: {
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currentList: [], //当前展示的列表
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selectList: [], //已选择的元素列表
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originalList: [], //最原始的数据列表
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indexList: [], //存储目录层级的数组，用于准确的返回上一层
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selectList: [], //已选中的人员列表
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},
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onLoad: function (options) {
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wx.setNavigationBarTitle({
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title: '选择人员'
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})
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this.init();
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},
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init() {
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//上次选中的列表，用于判断是不是取消选中了
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this.lastTimeSelect = []
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wx.request({
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url: getApp().globalData.serverUrl + 'api/partuser?a=getall&parentid=company',
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header: {
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'content-type': 'application/json', // 默认值
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'Cookie': wx.getStorageSync("sessionid"),
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},
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data: {},
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success: res => {
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if (res.statusCode === 200) {
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let list = res.data.data
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console.log(list)
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this.setData({
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currentList: list,
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originalList:list
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})
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}
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}
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})
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},
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clickItem(res) {
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console.log(res)
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let index = res.currentTarget.id;
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let item = this.data.currentList[index]
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console.log("item", item)
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if (!item.isPeople) {
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//children的长度为0时，请求服务器
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if (item.children.length === 0) {
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this._getUserByGroup(item)
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} else {
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//children的长度不为0时，更新 currentList
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this.setData({
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currentList: item.children
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})
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}
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//将当前的索引存入索引目录中。索引多一个表示目录多一级
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let indexes = this.data.indexList
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indexes.push(index)
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//是目录不是具体的用户
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this.setData({
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indexList: indexes
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})
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//清空上次选中的元素列表，并设置上一层的选中状态给lastTimeSelect
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this.setLastTimeSelectList();
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}
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},
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//返回按钮
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goBack() {
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let indexList = this.data.indexList
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if (indexList.length > 0) {
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//返回时删掉最后一个索引
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indexList.pop()
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if (indexList.length == 0) {
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//indexList长度为0说明回到了最顶层
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this.setData({
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currentList: this.data.originalList,
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indexList: indexList
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})
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} else {
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//循环将当前索引的对应数组赋值给currentList
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let list = this.data.originalList
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for (let i = 0; i < indexList.length; i++) {
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let index = indexList[i]
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list = list[index].children
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}
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this.setData({
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currentList: list,
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indexList: indexList
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})
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}
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//清空上次选中的元素列表，并设置上一层的选中状态给lastTimeSelect
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this.setLastTimeSelectList();
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}
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},
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//清空上次选中的元素列表，并设置上一层的选中状态给lastTimeSelect
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setLastTimeSelectList() {
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this.lastTimeSelect = []
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this.data.currentList.forEach(item => {
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if (item.checked) {
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this.lastTimeSelect.push(item)
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}
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})
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},
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//根据部门获取下列列表
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_getUserByGroup(item) {
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wx.request({
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url: getApp().globalData.serverUrl + 'api/partuser?a=getall&parentid='+item.id,
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header: {
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'content-type': 'application/json', // 默认值
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'Cookie': wx.getStorageSync("sessionid"),
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},
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data: {},
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success: res => {
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if (res.statusCode === 200) {
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let list = res.data.data
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console.log(res.list)
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this.setData({
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currentList: list
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})
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this.addList2DataTree()
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this.setLastTimeSelectList();
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}
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}
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})
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// getApp().get(API.selectUserByGroup(), params, result => {
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// console.log('result', result)
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// let list = this.transformData(result.data.data, item.id)
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// this.setData({
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// currentList: list
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// })
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// this.addList2DataTree()
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// //清空上次选中的元素列表，并设置上一层的选中状态给lastTimeSelect。写在这里防止异步请求时执行顺序问题
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// this.setLastTimeSelectList();
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// })
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},
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//将请求的数据转化为需要的格式
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// transformData(list, parentId) {
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// //先将数据转化为固定的格式
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// let newList = []
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// for (let i = 0; i < list.length; i++) {
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// let item = list[i]
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// newList.push({
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// id: item.id,
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// name: item.realName,
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// parentId: parentId,
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// checked: false,
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// isPeople: true,
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// userType: item.userType,
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// gender: item.gender,
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// children: []
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// })
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// }
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// return newList;
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// },
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//将当前列表挂载在原数据树上, 目前支持5层目录，如需更多接着往下写就好
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addList2DataTree() {
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let currentList = this.data.currentList;
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let originalList = this.data.originalList;
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let indexes = this.data.indexList
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switch (indexes.length) {
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case 1:
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originalList[indexes[0]].children = currentList
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break;
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case 2:
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originalList[indexes[0]].children[indexes[1]].children = currentList
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break;
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case 3:
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originalList[indexes[0]].children[indexes[1]].children[indexes[2]].children = currentList
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break;
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case 4:
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originalList[indexes[0]].children[indexes[1]].children[indexes[2]].children[indexes[3]].children = currentList
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break;
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case 5:
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originalList[indexes[0]].children[indexes[1]].children[indexes[2]].children[indexes[3]].children[indexes[4]].children =currentList
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break;
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case 6:
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originalList[indexes[0]].children[indexes[1]].children[indexes[2]].children[indexes[3]].children[indexes[4]].children[indexes[5]].children = currentList
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break;
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}
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this.setData({
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originalList: originalList
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})
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console.log("originalList", originalList)
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},
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//选框变化回调
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checkChange(res) {
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console.log(res)
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let values = res.detail.value
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let selectItems = []
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//将值取出拼接成 id，name 格式
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values.forEach(value => {
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let arrs = value.split(",")
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selectItems.push({ id: arrs[0], name: arrs[1] })
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})
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console.log("selectItems", selectItems)
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console.log("lastTimeSelect", this.lastTimeSelect)
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//将本次选择的与上次选择的比对，本次比上次多说明新增了，本次比上次少说明删除了，找出被删除的那条数据，在footer中也删除
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if (selectItems.length > this.lastTimeSelect.length) {
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//将 selectList 与 selectItems 拼接并去重
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let newList = this.data.selectList.concat(selectItems)
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newList = ArrayUtils.checkRepeat(newList)
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this.setData({
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selectList: newList
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})
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} else {
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//找出取消勾选的item，从selectList中删除
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//比对出取消勾选的是哪个元素
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let diffItem = {}
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this.lastTimeSelect.forEach(item => {
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let flag = false;
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selectItems.forEach(item2 => {
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if (item.id === item2.id) {
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flag = true
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}
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})
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if (!flag) {
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diffItem = item
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console.log("diff=", item)
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}
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})
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//找出被删除的元素在 selectList 中的位置
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let list = this.data.selectList
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let delIndex = 0;
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for (let i = 0; i < list.length; i++) {
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if (list[i].id === diffItem.id) {
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delIndex = i;
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break;
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}
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}
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//从list中删除这个元素
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list.splice(delIndex, 1)
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this.setData({
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selectList: list
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})
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}
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console.log("selectList", this.data.selectList)
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//更新 currentList 选中状态并重新挂载在数据树上，以保存选择状态
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this.updateCurrentList(this.data.currentList, this.data.selectList)
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},
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//footer点击删除回调
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footerDelete(res) {
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console.log(res)
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this.setData({
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selectList: res.detail.selectList
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})
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console.log('selectList', this.data.selectList)
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this.updateCurrentList(this.data.currentList, res.detail.selectList)
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},
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//点击 footer 的确定按钮提交数据
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submitData(res) {
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let selectList = this.data.selectList
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//通过 WxNotificationCenter 发送选择的结果通知
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//EventBus.postNotificationName("SelectPeopleDone", selectList)
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//将选择结果存入 app.js 的 globalData
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getApp().globalData.selectPeopleList = selectList
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//返回
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wx.navigateBack({
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delta: 1
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})
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console.log("selectdone", selectList)
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},
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//更新 currentList 并将更新后的列表挂载在数据树上
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updateCurrentList(currentList, selectList) {
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//let newList = []
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let selectids = []
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for (var i = 0; i < selectList.length; i++) {
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selectids.push(selectList[i]['id'])
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}
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for (var i = 0; i < currentList.length; i++) {
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if (selectids.indexOf(currentList[i]['id'].toString())>=0){
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currentList[i]['checked']=true
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}else{
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currentList[i]['checked'] = false
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}
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}
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console.log(currentList)
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this.setData({
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currentList: currentList
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})
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this.addList2DataTree()
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this.setLastTimeSelectList()
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}
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}) |