<template>
  <div class="app-container">
    <time-select
      style="margin-top: 20px"
      ref="timeSelect"
      @selectYear="getList()"
      @selectSemester="getList()"
    ></time-select>
    <el-form
      :model="queryParams"
      ref="queryForm"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="课程名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入课程名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程条件" prop="requirement">
        <el-input
          v-model="queryParams.requirement"
          placeholder="请输入课程条件"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="班级名称" prop="className">
        <el-input
          v-model="queryParams.className"
          placeholder="请输入班级名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程人数" prop="number">
        <el-input
          v-model="queryParams.number"
          placeholder="请输入课程人数"
          clearable
          size="small"
          @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-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          :disabled="courseList.length == 0"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="courseList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="课程编号" align="center" prop="id" />
      <el-table-column
        label="课程名称"
        align="center"
        prop="name"
        show-overflow-tooltip
      />
      <el-table-column label="教师名称" align="center" prop="userName">
        <template slot-scope="scope">
          <el-popover placement="top-start" trigger="hover">
            <p>教工编号： {{ scope.row.userName }}</p>
            <p>教工名称： {{ scope.row.nickName }}</p>
            <p>电话号码： {{ scope.row.phonenumber }}</p>
            <p>电子邮箱： {{ scope.row.email }}</p>
            <p v-if="scope.row.office != null">
              办 公 室： {{ scope.row.office }}
            </p>
            <div slot="reference" class="name-wrapper">
              {{ scope.row.nickName }}
            </div>
          </el-popover>
        </template>
      </el-table-column>
      <el-table-column
        label="课程条件"
        align="center"
        prop="requirement"
        show-overflow-tooltip
      />
      <el-table-column
        label="班级名称"
        align="center"
        prop="className"
        show-overflow-tooltip
      />
      <el-table-column label="课程人数" align="center" prop="number" />
      <el-table-column
        label="课程备注"
        align="center"
        prop="remarks"
        show-overflow-tooltip
      />
      <el-table-column
        label="创建时间"
        align="center"
        prop="gmtCreate"
        width="180"
      >
        <template slot-scope="scope">
          <span>{{
            parseTime(scope.row.gmtCreate, "{y}-{m}-{d} {h}:{i}:{s}")
          }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="更新时间"
        align="center"
        prop="gmtModified"
        width="180"
      >
        <template slot-scope="scope">
          <span>{{
            parseTime(scope.row.gmtModified, "{y}-{m}-{d} {h}:{i}:{s}")
          }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改课程信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="课程名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入课程名称" />
        </el-form-item>
        <el-form-item
          label="教师姓名"
          prop="nickName"
          class="disvision"
          v-if="form.nickName != null"
        >
          <el-input v-model="form.nickName" readonly />
        </el-form-item>
        <el-form-item label="课程条件" prop="requirement">
          <el-input v-model="form.requirement" placeholder="请输入课程条件" />
        </el-form-item>
        <el-form-item label="班级名称" prop="className">
          <el-input v-model="form.className" placeholder="请输入班级名称" />
        </el-form-item>
        <el-form-item label="课程人数" prop="number">
          <el-input v-model="form.number" placeholder="请输入课程人数" />
        </el-form-item>
        <el-form-item label="课程备注" prop="remarks">
          <el-input
            v-model="form.remarks"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listCourse,
  getCourse,
  delCourse,
  addCourse,
  updateCourse,
  exportCourse,
} from "@/api/labbooking/course";
import timeSelect from "@/views/components/timeSelect";

export default {
  name: "Course",
  components: { timeSelect },
  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,
      // 课程信息表格数据
      courseList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        userId: null,
        requirement: null,
        className: null,
        number: null,
        year: null,
        term: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "课程名称不能为空", trigger: "blur" },
        ],
        userId: [
          { required: true, message: "授课教师编号不能为空", trigger: "blur" },
        ],
        number: [
          { required: true, message: "课程人数不能为空", trigger: "blur" },
        ],
      },
      visible: false,
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询课程信息列表 */
    getList() {
      this.loading = true;
      this.queryParams.params = {};
      this.$nextTick(() => {
        this.queryParams.year = this.$refs.timeSelect.year;
        this.queryParams.term = this.$refs.timeSelect.semester;
        listCourse(this.queryParams).then((response) => {
          this.courseList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        userId: null,
        requirement: null,
        className: null,
        year: null,
        term: null,
        number: null,
        remarks: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.form.year = this.$refs.timeSelect.year;
      this.form.term = this.$refs.timeSelect.semester;
      this.open = true;
      this.title = "添加课程信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.form.year = this.$refs.timeSelect.year;
      this.form.term = this.$refs.timeSelect.semester;
      const id = row.id || this.ids;
      getCourse(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改课程信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateCourse(this.form).then((response) => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCourse(this.form).then((response) => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm(
        '是否确认删除课程信息编号为"' + ids + '"的数据项?',
        "警告",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      )
        .then(function () {
          return delCourse(ids);
        })
        .then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        });
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm("是否确认导出所有课程信息数据项?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(function () {
          return exportCourse(queryParams);
        })
        .then((response) => {
          this.download(response.msg);
        });
    },
  },
};
</script>

<style scoped>
.disvision >>> .el-input__inner {
  border: 0;
}
/* 如果你的 el-input type 设置成textarea ，就要用这个了 */
.disvision >>> .el-textarea__inner {
  border: 0;
  resize: none; /* 这个是去掉 textarea 下面拉伸的那个标志，如下图 */
}
</style>