<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入名称"
          clearable
          @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"
          v-has-permi="['bst:attachClassify:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-has-permi="['bst:attachClassify:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-has-permi="['bst:attachClassify:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList" :columns="columns"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="attachClassifyList" @selection-change="handleSelectionChange" :default-sort="defaultSort" @sort-change="onSortChange">
      <template v-for="column of showColumns">
        <el-table-column
            :key="column.key"
            :label="column.label"
            :prop="column.key"
            :align="column.align"
            :min-width="column.minWidth"
            :sort-orders="orderSorts"
            :sortable="column.sortable"
            :show-overflow-tooltip="column.overflow"
            :width="column.width"
        >
          <template slot-scope="d">
            <template v-if="column.key === 'id'">
              {{d.row[column.key]}}
            </template>
            <template v-else>
              {{d.row[column.key]}}
            </template>
          </template>
        </el-table-column>
      </template>
      <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)"
            v-has-permi="['bst:attachClassify:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-has-permi="['bst:attachClassify:remove']"
          >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"
    />

    <!-- 使用新的弹窗组件 -->
    <attach-classify-edit-dialog
      :show.sync="dialogVisible"
      :id="row.id"
      @success="getList"
    />
  </div>
</template>

<script>
import { listAttachClassify, getAttachClassify, delAttachClassify, addAttachClassify, updateAttachClassify } from "@/api/bst/attachClassify";
import { $showColumns } from '@/utils/mixins';
import AttachClassifyEditDialog from './components/AttachClassifyEditDialog';

// 默认排序字段
const defaultSort = {
  prop: "createTime",
  order: "descending"
}

export default {
  name: "AttachClassify",
  mixins: [$showColumns],
  components: {
    AttachClassifyEditDialog
  },
  data() {
    return {
      // 字段列表
      columns: [
        {key: 'id', visible: true, label: 'id', minWidth: null, sortable: true, overflow: false, align: 'center', width: null},
        {key: 'parentId', visible: true, label: '上级ID', minWidth: null, sortable: true, overflow: false, align: 'center', width: null},
        {key: 'ancestors', visible: true, label: '祖级列表', minWidth: null, sortable: true, overflow: false, align: 'center', width: null},
        {key: 'name', visible: true, label: '名称', minWidth: null, sortable: true, overflow: false, align: 'center', width: null},
        {key: 'sort', visible: true, label: '排序', minWidth: null, sortable: true, overflow: false, align: 'center', width: null}
      ],
      // 排序方式
      orderSorts: ['ascending', 'descending', null],
      // 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,
      // 资源分类表格数据
      attachClassifyList: [],
      // 弹出层相关
      dialogVisible: false,
      row: {},
      defaultSort,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 20,
        orderByColumn: defaultSort.prop,
        isAsc: defaultSort.order,
        name: null
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 当排序按钮被点击时触发 **/
    onSortChange(column) {
      if (column.order == null) {
        this.queryParams.orderByColumn = defaultSort.prop;
        this.queryParams.isAsc = defaultSort.order;
      } else {
        this.queryParams.orderByColumn = column.prop;
        this.queryParams.isAsc = column.order;
      }
      this.getList();
    },
    /** 查询资源分类列表 */
    getList() {
      this.loading = true;
      listAttachClassify(this.queryParams).then(response => {
        this.attachClassifyList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 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.row = {};
      this.dialogVisible = true;
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.row = row;
      this.dialogVisible = true;
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除资源分类编号为"' + ids + '"的数据项？').then(function() {
        return delAttachClassify(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('bst/attachClassify/export', {
        ...this.queryParams
      }, `attachClassify_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
