<template>
  <div>
    <el-row :gutter="20">
      <!--部门数据-->
      <el-col :span="6" :xs="24">
        <div class="head-container">
          <el-input
            v-model="deptName"
            placeholder="请输入部门名称"
            clearable
            size="small"
            prefix-icon="el-icon-search"
            style="margin-bottom: 20px"
          />
        </div>
        <div class="head-container">
          <el-tree
            :data="deptOptions"
            :props="defaultProps"
            :expand-on-click-node="false"
            :filter-node-method="filterNode"
            ref="tree"
            node-key="id"
            default-expand-all
            highlight-current
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>
      <!--用户数据-->
      <el-col :span="18" :xs="24">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
          <el-form-item label="用户名称" prop="userName">
            <el-input
              v-model="queryParams.userName"
              placeholder="请输入用户名称"
              clearable
              style="width: 150px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="手机号码" prop="phonenumber">
            <el-input
              v-model="queryParams.phonenumber"
              placeholder="请输入手机号码"
              clearable
              style="width: 150px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-form>
        <el-table v-show="checkType === 'multiple'" ref="dataTable" v-loading="loading" :row-key="getRowKey" :data="userList" @selection-change="handleMultipleUserSelect">
          <el-table-column type="selection" :reserve-selection="true" width="50" align="center" />
          <el-table-column label="用户编号" align="center" key="userId" prop="userId" v-if="columns[0].visible" />
          <el-table-column label="登录账号" align="center" key="userName" prop="userName" v-if="columns[1].visible" :show-overflow-tooltip="true" />
          <el-table-column label="用户姓名" align="center" key="nickName" prop="nickName" v-if="columns[2].visible" :show-overflow-tooltip="true" />
          <el-table-column label="部门" align="center" key="deptName" prop="dept.deptName" v-if="columns[3].visible" :show-overflow-tooltip="true" />
          <el-table-column label="手机号码" align="center" key="phonenumber" prop="phonenumber" v-if="columns[4].visible" width="120" />
        </el-table>
        <el-table v-show="checkType === 'single'" v-loading="loading" :data="userList" @current-change="handleSingleUserSelect">
          <el-table-column  width="55" align="center" >
            <template slot-scope="scope">
              <el-radio v-model="radioSelected" :label="scope.row.userId">{{''}}</el-radio>
            </template>
          </el-table-column>
          <el-table-column label="用户编号" align="center" key="userId" prop="userId" v-if="columns[0].visible" />
          <el-table-column label="登录账号" align="center" key="userName" prop="userName" v-if="columns[1].visible" :show-overflow-tooltip="true" />
          <el-table-column label="用户姓名" align="center" key="nickName" prop="nickName" v-if="columns[2].visible" :show-overflow-tooltip="true" />
          <el-table-column label="部门" align="center" key="deptName" prop="dept.deptName" v-if="columns[3].visible" :show-overflow-tooltip="true" />
          <el-table-column label="手机号码" align="center" key="phonenumber" prop="phonenumber" v-if="columns[4].visible" width="120" />
        </el-table>
        <pagination
          v-show="total>0"
          :total="total"
          :page-sizes="[5,10]"
          :page.sync="queryParams.pageNum"
          :limit.sync="queryParams.pageSize"
          @pagination="getList"
        />
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { listUser, deptTreeSelect } from "@/api/system/user";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import {StrUtil} from "@/utils/StrUtil";

export default {
  name: "FlowUser",
  dicts: ['sys_normal_disable', 'sys_user_sex'],
  components: { Treeselect },
  // 接受父组件的值
  props: {
    // 回显数据传值
    selectValues: {
      type: Number | String | Array,
      default: null,
      required: false
    },
    // 表格类型
    checkType: {
      type: String,
      default: 'multiple',
      required: true
    },
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 用户表格数据
      userList: [],
      // 弹出层标题
      title: "",
      // 部门树选项
      deptOptions: undefined,
      // 是否显示弹出层
      open: false,
      // 部门名称
      deptName: undefined,
      // 表单参数
      form: {},
      defaultProps: {
        children: "children",
        label: "label"
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 5,
        userName: undefined,
        phonenumber: undefined,
        status: undefined,
        deptId: undefined
      },
      // 列信息
      columns: [
        { key: 0, label: `用户编号`, visible: true },
        { key: 1, label: `用户名称`, visible: true },
        { key: 2, label: `用户昵称`, visible: true },
        { key: 3, label: `部门`, visible: true },
        { key: 4, label: `手机号码`, visible: true },
        { key: 5, label: `状态`, visible: true },
        { key: 6, label: `创建时间`, visible: true }
      ],
      radioSelected: null, // 单选框传值
      selectUserList: [] // 回显数据传值
    };
  },
  watch: {
    // 根据名称筛选部门树
    deptName(val) {
      this.$refs.tree.filter(val);
    },
    selectValues: {
      handler(newVal) {
        if (StrUtil.isNotBlank(newVal)) {
          if (newVal instanceof Number) {
            this.radioSelected = newVal
          } else {
            this.selectUserList = newVal;
          }
        }
      },
      immediate: true
    },
    userList: {
      handler(newVal) {
        if (StrUtil.isNotBlank(newVal)  && this.selectUserList.length > 0) {
          this.$nextTick(() => {
            this.$refs.dataTable.clearSelection();
            this.selectUserList?.split(',').forEach(key => {
              this.$refs.dataTable.toggleRowSelection(newVal.find(
                item => key == item.userId
              ), true)
            });
          });
        }
      },
      immediate: true, // 立即生效
      deep: true  //监听对象或数组的时候，要用到深度监听
    }
  },
  created() {
    this.getList();
    this.getDeptTree();
  },
  methods: {
    /** 查询用户列表 */
    getList() {
      this.loading = true;
      listUser(this.queryParams).then(response => {
          this.userList = response.rows;
          this.total = response.total;
          this.loading = false;
        }
      );
    },
    /** 查询部门下拉树结构 */
    getDeptTree() {
      deptTreeSelect().then(response => {
        this.deptOptions = response.data;
      });
    },
    // 保存选中的数据id,row-key就是要指定一个key标识这一行的数据
    getRowKey (row) {
      return row.id
    },
    // 筛选节点
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },
    // 节点单击事件
    handleNodeClick(data) {
      this.queryParams.deptId = data.id;
      this.handleQuery();
    },
    // 多选框选中数据
    handleMultipleUserSelect(selection) {
      this.$emit('handleUserSelect', selection);
    },
    // 单选框选中数据
    handleSingleUserSelect(selection) {
      this.radioSelected = selection.userId;//点击当前行时,radio同样有选中效果
      this.$emit('handleUserSelect', selection);
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = [];
      this.resetForm("queryForm");
      this.queryParams.deptId = undefined;
      this.$refs.tree.setCurrentKey(null);
      this.handleQuery();
    },
  }
};
</script>
<style>
/*隐藏radio展示的label及本身自带的样式*/
/*.el-radio__label{*/
/*  display:none;*/
/*}*/
</style>
