<template>
  <Table
    :row-key="rowKey"
    :row-selection="rowSelection"
    :pagination="pagination"
    :scroll="{ x: 'auto', y: scrollY }"
    :columns="columns"
    :loading="loading"
    :data-source="dataSource"
  >
    <template v-slot:headerCell="{ column }">
      <span
        class="title2"
        :style="{ whiteSpace: 'nowrap', fontWeight: 'normal' }"
        >{{ $t(column.title as string) }}</span
      >
    </template>
    <template v-slot:bodyCell="{ column, record }">
      <template v-for="slotName of slots">
        <slot
          v-if="slotName === column.dataIndex"
          :name="slotName"
          :column="column"
          :record="record"
        ></slot>
      </template>
      <span v-if="!slots.includes(column.dataIndex as string)">{{
        parseDefaultValue(record, column.dataIndex as string)
      }}</span>
    </template>
  </Table>
</template>
<script lang="ts" setup>
import { Table, TablePaginationConfig } from "ant-design-vue";
import { TableColumns } from "@/models/base.model";
import { isNull } from "@/util";
import { TableRowSelection } from "ant-design-vue/es/table/interface";
const {
  columns,
  dataSource,
  slots = [],
  pagination = false,
  scrollY,
  rowSelection = undefined,
  rowKey,
  loading,
} = defineProps<{
  columns: TableColumns[];
  pagination?: false | TablePaginationConfig;
  dataSource: any[];
  slots?: string[];
  scrollY?: number;
  rowSelection?: TableRowSelection;
  rowKey?: string;
  loading?: boolean;
}>();
const parseDefaultValue = (record: Record<string, any>, dataIndex: string) => {
  const dataIndexs = dataIndex.split(".");
  let result = record;
  dataIndexs.forEach((element) => {
    if (result) {
      result = result[element];
    }
  });
  if (isNull(result)) {
    return "-";
  }
  return result;
};
</script>

<script lang="ts" setup>
import VlanConfig from "@/views/VlanConfig.vue";
import { Button, Input, InputNumber, message, Modal } from "ant-design-vue";
import { reactive, watch } from "vue";
import vlanonfigController from "@/controllers/vlanConfig.controller";
import useDataFetch from "@/hooks/useDataFetch";
import CommonTable from "../common/CommonTable.vue";
import { NoPaddingTableColumns, TableColumns } from "@/models/base.model";
import Iconfont from "../layouts/Iconfont.vue";
import { TableRowSelection } from "ant-design-vue/es/table/interface";
import { VlanInfo } from "@/models/vlanConfig.model";
import { $deleteConfirm } from "@/util";
import EditButtons from "../common/EditButtons.vue";
import { useI18n } from "vue-i18n";
enum OperationType {
  EDIT,
  DELETE,
}
const { t } = useI18n();
const data = useDataFetch(vlanonfigController.getVlanList, true);
const state = reactive({
  selectedVlanIds: [],
  onOperationVlan: undefined as VlanInfo,
  operationType: null as OperationType,
  addModalOpen: false,
  confirmLoading: false,
  editData: {
    vlan_id: undefined,
    vlan_name: undefined,
  },
});
const handleDelete = (vlan: VlanInfo) => {
  state.onOperationVlan = vlan;
  state.operationType = OperationType.DELETE;
  $deleteConfirm({
    title: t("vlan.deleteVlanTitle", { name: vlan.vlan_name }),
    content: t("deleteContent"),
    onOk() {
      return new Promise<void>((resolve) => {
        setTimeout(() => {
          resolve();
        }, 1000);
      });
    },
  });
};
const restoreEditData = () => {
  state.editData = { vlan_id: undefined, vlan_name: undefined };
};
const handleEdit = (vlan: VlanInfo) => {
  state.operationType = OperationType.EDIT;
  restoreEditData();
  state.onOperationVlan = vlan;
};
const handleSelectChange: TableRowSelection["onSelect"] = (ids: number[]) => {
  console.log("in");
  state.selectedVlanIds = ids;
};
const columns = [
  new TableColumns("vlan.vlanId", "vlan_id"),
  new TableColumns("vlan.vlanName", "vlan_name"),
  new NoPaddingTableColumns("", "operation", undefined, 240),
];
const deleteDisabled = $computed(() => !state.selectedVlanIds.length);
const handleMultiDelete = () => {
  console.log(state.selectedVlanIds);
};
const handleEditOk = (vlan: VlanInfo) => {
  state.onOperationVlan = undefined;
  data.setEditDataToOriginData();
};
const handleEditCancel = (vlan: VlanInfo) => {
  state.onOperationVlan = undefined;
  data.resetData();
  console.log("cancel");
};
const checkOperationDisabled = (id: string) => {
  return (
    state.onOperationVlan?.nanoid === id &&
    state.operationType === OperationType.EDIT
  );
};
const handleAddVlanClick = () => {
  state.addModalOpen = true;
};
const hanldeAddVlanCancel = () => {
  state.addModalOpen = false;
  restoreEditData();
};
const hanldeAddVlanOk = () => {
  const { vlan_id, vlan_name } = state.editData;
  if (!vlan_id || !vlan_name) {
    message.error(t("vlan.addError"));
    return;
  }
  state.confirmLoading = true;
  return new Promise<void>((resolve) => {
    setTimeout(() => {
      resolve();
      data.refresh();
      hanldeAddVlanCancel();
      state.confirmLoading = false;
    }, 1000);
  });
};
const isEdit = $computed(() => state.operationType === OperationType.EDIT);
</script>
<template>
  <VlanConfig>
    <template #rightExtra>
      <div style="bottom: 12px" class="flex-start relative-position">
        <Button
          :disabled="deleteDisabled"
          @click="handleMultiDelete"
          danger
          type="primary"
          >{{ $t("vlan.deleteVlan") }}</Button
        >
        <Button
          @click="handleAddVlanClick"
          :style="{ marginLeft: '16px' }"
          type="primary"
          >{{ $t("vlan.addVlan") }}</Button
        >
      </div>
    </template>
    <CommonTable
      :row-key="'nanoid'"
      :rowSelection="{
        selectedRowKeys: state.selectedVlanIds,
        onChange: handleSelectChange,
      }"
      :slots="['operation', 'vlan_id', 'vlan_name']"
      :dataSource="data.clonedData.value"
      :columns="columns"
    >
      <template #vlan_id="{ record }">
        <div
          v-if="isEdit && record.nanoid === state.onOperationVlan?.nanoid"
          class="flex-start"
        >
          <InputNumber
            style="margin-right: 8px"
            v-model:value="record.vlan_id"
          ></InputNumber>
          <EditButtons
            @ok="handleEditOk(record as VlanInfo)"
            @cancel="handleEditCancel(record as VlanInfo)"
          />
        </div>
      </template>
      <template #vlan_name="{ record }">
        <div
          v-if="isEdit && record.nanoid === state.onOperationVlan?.nanoid"
          class="flex-start"
        >
          <Input
            style="width: 200px; margin-right: 8px"
            v-model:value="record.vlan_name"
          ></Input>
          <EditButtons
            @ok="handleEditOk(record as VlanInfo)"
            @cancel="handleEditCancel(record as VlanInfo)"
          />
        </div>
      </template>
      <template #operation="{ record }">
        <div class="flex-start flex-nowrap">
          <Button
            type="text"
            :disabled="checkOperationDisabled(record.nanoid)"
            @click="() => handleEdit(record as VlanInfo)"
            class="flex"
          >
            <Iconfont
              icon="ic_edit"
              :disabled="checkOperationDisabled(record.nanoid)"
              :primary="!checkOperationDisabled(record.nanoid)"
            ></Iconfont>
            <span
              :class="{
                'primary-color': !checkOperationDisabled(record.nanoid),
              }"
              >{{ $t("edit") }}</span
            >
          </Button>
          <Button
            type="text"
            @click="() => handleDelete(record as VlanInfo)"
            class="flex"
          >
            <Iconfont icon="ic_edit" primary></Iconfont>
            <span class="primary-color">{{ $t("delete") }}</span>
          </Button>
        </div>
      </template>
    </CommonTable>
  </VlanConfig>
  <!-- 添加vlan對話框 -->
  <Modal
    :width="400"
    @cancel="hanldeAddVlanCancel"
    @ok="hanldeAddVlanOk"
    centered
    :title="$t('vlan.addVlan')"
    :confirmLoading="state.confirmLoading"
    :open="state.addModalOpen"
  >
    <div style="padding: 24px 0 16px">
      <div class="flex-btw flex-nowrap" :style="{ marginBottom: '24px' }">
        <span class="title1 white-s-nowrap">{{ $t("vlan.vlanId") }}</span>
        <InputNumber
          :min="1"
          :max="4093"
          v-model:value="state.editData.vlan_id"
          style="width: 264px"
        ></InputNumber>
      </div>
      <div class="flex-btw flex-nowrap">
        <span class="title1 white-s-nowrap">{{ $t("vlan.vlanName") }}</span>
        <Input
          v-model:value="state.editData.vlan_name"
          style="width: 264px"
        ></Input>
      </div>
    </div>
  </Modal>
</template>
<style scoped lang="scss"></style>

npm install vue-draggable-resizable -S

import { Table } from 'ant-design-vue'
import Vue from 'vue'
// 引入vue-draggable-resizable，用于表格列伸縮
import VueDraggableResizable from 'vue-draggable-resizable'
// TableOption用于表格列顯示或隱藏
import TableOption from './TableOption'
// 注冊組件
Vue.component('vue-draggable-resizable', VueDraggableResizable)
Vue.component('table-option', TableOption)
const componentName = 'drag-table'
const DragTable = {
 name: componentName,
 props: Object.assign({}, Table.props, {
   // 返回 Promise<{ currPage, totalCount, list: any[] }> 的獲取數(shù)據(jù)的函數(shù)，用于內(nèi)部管理數(shù)據(jù)加載
   data: { type: Function },
   // 是否開啟：單擊行則選中行
   selectOnClick: { type: Boolean, default: true },
   // 默認(rèn)翻到第 1 頁
   pageNum: { type: Number, default: 1 },
   // 默認(rèn)分頁大小 10 行
   pageSize: { type: Number, default: 10 },
   // 是否顯示分頁大小切換下拉框
   showSizeChanger: { type: Boolean, default: true },
   // 是否顯示分頁器
   showPagination: { type: [String, Boolean], default: 'auto' },
   // 指定表格當(dāng)前頁數(shù)的url 例如：/users/2
   pageURI: { type: Boolean, default: false },
   // 是否展示序號列
   showIndex: { type: Boolean, default: true },
   customCell: { type: Function }
 }),
 data() {
   return {
     localLoading: false, // 加載標(biāo)識
     localDataSource: [], // 表格源數(shù)據(jù)
     localPagination: Object.assign({}, this.pagination), // 分頁對象，合并ant默認(rèn)分頁數(shù)據(jù)
     localScroll: {},
     // 表格列顯隱
     filterValue: [],
     originColumns: []
   }
 },
 computed: {
   localKeys() {
     return [...Object.keys(this.$data), ...Object.keys(this._computedWatchers), ...Object.keys(this).filter(k => k.startsWith('local'))]
   },
   // 處理最大顯示長度后的列
   localColumns(){
     return this.originColumns.filter(col => !this.filterValue.includes(col.dataIndex || col.key || col.title))
   },
   // 表格伸縮列(該屬性是ant表格中覆蓋默認(rèn)的 table 元素的屬性components)
   localComponents(){
     const headerComponent = {}
     headerComponent.header ={}
     headerComponent.header.cell = (h, props, children) => {
       const { key, ...restProps } = props
       const col = this.columns.find(col => {
         const k = col.dataIndex || col.key
         return k === key
       })
       if (!col) {
         return h('th', { ...restProps }, [...children])
       }
       const dragProps = {
         key: col.dataIndex || col.key,
         class: 'table-draggable-handle',
         attrs: {
           w: 8,
           x: parseFloat(col.width),
           z: 1,
           axis: 'x',
           draggable: true,
           resizable: false,
           onDragStart: (e) => {
             e.stopPropagation()
           }
         },
         on: {
           dragging: (x) => {
             col.width = Math.max(x, 35)
             this.computeWidth()
           }
         }
       }
       const drag = h('vue-draggable-resizable', { ...dragProps })
       return <th {...restProps} title={col.title} width={col.width} class="resize-table-th">
         {children}
         { drag }
       </th>
     }
     return headerComponent
   }
 },
 watch: {
   loading(val) {
     this.localLoading = val
   },
   // 表格源數(shù)據(jù)
   dataSource: {
     handler(val) {
       this.localDataSource = val
     },
     immediate: true
   },
   'localPagination.current'(val) {
     this.pageURI && this.$router.push({
       ...this.$route,
       params: Object.assign({}, this.$route.params, { pageNo: val })
     })
   },
   pageNum(val) {
     Object.assign(this.localPagination, { current: val })
   },
   pageSize(val) {
     Object.assign(this.localPagination, { pageSize: val })
   },
   showSizeChanger(val) {
     Object.assign(this.localPagination, { showSizeChanger: val })
   },
   scroll() {
     this.calcLocalScroll()
   },
   columns: {
     handler(val) {
       const data = []
       // 表格添加序號列
       if (this.showIndex) {
         data.push({
           title: '序號',
           dataIndex: 'sort',
           width: 50,
           customRender: 
             (text, record, index) => record.total 
               ? record.total 
               :  `${(this.localPagination.current - 1) * (this.localPagination.pageSize) + (index + 1) || (index + 1)}`
         })
       }
       this.originColumns = data.concat(val)
       // 超出后顯示省略號 不支持操作列、和排序一并使用
       this.originColumns.forEach((col)=>{
         if(col.dataIndex || col.key) {
           col.ellipsis = true
         }
       })
     },
     immediate: true
   }
 },
 created() {
   // 判斷格是傳進(jìn)數(shù)據(jù)源還是遠(yuǎn)程數(shù)據(jù)接口方法
   if (this.data) {
     // 合并分頁數(shù)據(jù)
     const { pageNo } = this.$route.params
     const localPageNum = this.pageURI ? (pageNo && parseInt(pageNo)) : this.pageNum
     this.localPagination = ['auto', true].includes(this.showPagination)
       ? Object.assign({}, this.localPagination, {
         showQuickJumper: true,
         current: localPageNum,
         pageSize: this.pageSize,
         showSizeChanger: this.showSizeChanger,
         pageSizeOptions: ['10', '20', '40', '80', '120']
       })
       : false
     // 調(diào)用接口獲得數(shù)據(jù)
     this.loadData()
   } else {
     // 源數(shù)據(jù)傳入不支持分頁
     this.localPagination = false
   }
   window.addEventListener('resize', this.calcLocalScroll)
 },
 mounted() {
   setTimeout(() => {
     this.calcLocalScroll()
     this.resetColumns()
   })
 },
 destroyed() {
   window.removeEventListener('resize', this.calcLocalScroll)
 },
 methods: {
   /**
    * 表格限制最大寬度/高度計(jì)算,用于滾動顯示
    */
   calcLocalScroll() {
     const localScroll = { ...(this.scroll || {}) }
     // 根據(jù)自己的頁面計(jì)算除表格外其他組件占據(jù)的高度，從而得出表格最大高度，也可自適應(yīng)顯示表格
     const extraDis = (this.$store.getters.multiTab ? 40 : 0 ) + 56 + 104 + (this.pagination ? 6 : 0) + (this.$scopedSlots.footer ? 33 : 0)
     localScroll.x = localScroll.x || this.$el.offsetWidth - 20
     localScroll.y = localScroll.y || document.body.clientHeight - ((this.$el || {}).offsetTop || 128) - extraDis 
     this.localScroll = localScroll
     // 計(jì)算表格列寬度
     this.computeWidth()
   },
   /**
    * 表格重新加載方法
    *@param {object} option 對象屬性: {boolean} isBackToFirstPage 如果參數(shù)為 true, 則強(qiáng)制刷新到第一頁
    *                        對象屬性: {boolean} isResetOption 如果參數(shù)為 true, 則重置顯隱配置項(xiàng)
    *                        對象屬性: {boolean} layoutTag 如果參數(shù)為 true, 則重新計(jì)算表格限制最大寬度/高度
    */
   refresh({ isBackToFirstPage = false, isResetOption = false, layoutTag = false } = { isBackToFirstPage: false, isResetOption: false, layoutTag: false }) {
     if(layoutTag) {
       this.calcLocalScroll()
     } else {
       isResetOption && this.resetColumns()
       isBackToFirstPage && (this.localPagination = Object.assign({}, {
         current: 1,
         pageSize: this.pageSize
       }))
       this.loadData()
     }
   },
   /**
    * 加載數(shù)據(jù)方法
    * @param {{ page: number, limit: number }} pagination 分頁選項(xiàng)器
    * @param {{ [field: string]: string }} filters 過濾條件
    * @param {{ field: string, order: 'asc' | 'desc' }} sorter 排序條件
    */
   loadData(pagination, filters, sorter = {}) {
     this.localLoading = true
     const result = this.data({
       page: (pagination && pagination.current) ||
         this.showPagination && this.localPagination.current || this.pageNum,
       limit: (pagination && pagination.pageSize) ||
         this.showPagination && this.localPagination.pageSize || this.pageSize,
       sidx: sorter.field,
       order: sorter.order && sorter.order.slice(0, sorter.order.length - 3),
       ...filters
     })
     // 對接自己的通用數(shù)據(jù)接口需要修改下方代碼中的 r.currPage, r.totalCount, r.list
     if ((typeof result === 'object' || typeof result === 'function') && typeof result.then === 'function') {
       result.then(r => {
         r = r || { currPage: 1, totalCount: 0, list: [] }
         this.localPagination = this.showPagination
           ? Object.assign({}, this.localPagination, {
             showQuickJumper: true,
             current: r.currPage, // 返回結(jié)果中的當(dāng)前分頁數(shù)
             total: r.totalCount, // 返回結(jié)果中的總記錄數(shù)
             showSizeChanger: this.showSizeChanger,
             pageSize: (pagination && pagination.pageSize) || this.localPagination.pageSize
           })
           : false
         // 為防止刪除數(shù)據(jù)后導(dǎo)致頁面當(dāng)前頁面數(shù)據(jù)長度為 0 ,自動翻頁到上一頁
         if (r.list.length === 0 && this.showPagination && this.localPagination.current > 1) {
           this.localPagination.current--
           this.loadData()
           return
         }
         // 這里用于判斷接口是否有返回 r.totalCount 且 this.showPagination = true 且 pageNo 和 pageSize 存在 且 totalCount 小于等于 pageNo * pageSize 的大小
         // 當(dāng)情況滿足時，表示數(shù)據(jù)不滿足分頁大小，關(guān)閉 table 分頁功能
         try {
           if ((['auto', true].includes(this.showPagination) && r.totalCount <= (r.pageNo * this.localPagination.pageSize))) {
             this.localPagination.hideOnSinglePage = true
           }
         } catch (e) {
           this.localPagination = false
         }
         this.localDataSource = r.list // 返回結(jié)果中的數(shù)組數(shù)據(jù)
         this.localLoading = false
       })
     }
   },
   /**
    * 自定義行?？梢耘渲帽砀裥械南嚓P(guān)事件，此處主要定義表格單擊選中行，沒有復(fù)選框或者單選框得表格可以屏蔽該功能
    * @param {*} record 
    */
   localCustomRow(record) {
     const rowCustomer = this.customRow ? this.customRow(record) : {}
     if (!this.selectOnClick || !this.rowSelection) {
       return rowCustomer
     }
     if (!rowCustomer.on) {
       rowCustomer.on = {}
     }
     // 單擊選中行需要判斷是單選框還是多選框，表格多選或單選框得使用會在后續(xù)發(fā)文章補(bǔ)充。
     const selectOnClickHandler = () => {
       const { type, selectedRowKeys } = this.rowSelection
       if (selectedRowKeys.includes(record[this.rowKey]) && !type) {
         this.rowSelection.selections.splice(this.rowSelection.selections.findIndex(r => r === record), 1)
         selectedRowKeys.splice(selectedRowKeys.findIndex(r => r === record[this.rowKey]), 1)
       } else if(!type) {
         this.rowSelection.selections.push(record)
         selectedRowKeys.push(record[this.rowKey])
       } else {
         this.rowSelection.selectedRow = record
         selectedRowKeys.splice(0, 1, record[this.rowKey])  
       }
     }
     if (rowCustomer.on.click) {
       const originalClickHandler = rowCustomer.on.click
       rowCustomer.on.click = e => {
         originalClickHandler(e)
         selectOnClickHandler(e, record)
       }
     } else {
       rowCustomer.on.click = selectOnClickHandler
     }
     return rowCustomer
   },
   /**
    * 對表格設(shè)置width(來避免表頭和內(nèi)容的錯位)
    */
   computeWidth() {
     const fullWidth = (this.localScroll.x || this.$el?.offsetWidth) - (this.rowSelection ? 60 : 0)
     if(!isNaN(fullWidth) && fullWidth >= 0) {
       const remain = this.originColumns.reduce((obj, col) => {
         if(!this.filterValue.includes(col.dataIndex || col.key)) {
           if(col.width) {
             obj.colWidthSum =obj.colWidthSum - (typeof width === 'string' && col.width.endsWith('%')
               ? parseFloat(col.width) * fullWidth / 100
               : parseFloat(col.width))
           } else {
             obj.noWidthColCount += 1
           }
         }
         return obj
       }, {colWidthSum: fullWidth, noWidthColCount: 0})
       // 平均寬度
       const averageWidth = remain.colWidthSum / remain.noWidthColCount
       const lastIndex = this.originColumns.length - ( this.originColumns[this.originColumns.length-1].fixed ? 2 : 1) 
       // 設(shè)置默認(rèn)列寬，最少顯示為7個字符
       // 最后一列默認(rèn)不設(shè)置寬度，避免列寬改變時影響其他列
       this.originColumns.forEach((col,index) => {
         if(index !== lastIndex  && averageWidth !== Infinity && !col.width) {
           Vue.set(col, 'width', averageWidth > 150 ? averageWidth : 150)
           remain.colWidthSum = remain.colWidthSum - (averageWidth > 150 ? averageWidth : 150)
         } else if(index === lastIndex) {
           const minWidth = col.width || 150
           remain.colWidthSum = (remain.colWidthSum + (col.width || 0)).toFixed()
           Vue.set(col, 'width', remain.colWidthSum < minWidth ? minWidth : undefined)
         }
       })
     }
   },
   /**
    * 表格列重置，主要使用在數(shù)據(jù)使用數(shù)據(jù)數(shù)組的表格
    */
   resetColumns() {
     this.filterValue = []
     this.filterShow = !this.filterShow
   }
 },
// 渲染表格方法
 render(h) {
   const props = {}
   // 表格屬性
   Object.keys(Table.props).forEach(k => {
     const localKey = `local${k.substring(0, 1).toUpperCase()}${k.substring(1)}`
     // if(k === 'columns'){}
     if (this.localKeys.includes(localKey)) {
       props[k] = this[localKey]
     } else if (this[k] != null) {
       props[k] = this[k]
     }
   })
   const on = { ...this.$listeners }
   this.data && (on.change = this.loadData)
   return (
     <div class={`${componentName}-wrapper`} style="position: relative;">{[
       props.showHeader && h('table-option', {
         ref: 'tableOption',
         style: {
           float: 'right',
           marginTop:'-25px',
           marginRight: '5px'
         },
         props: {
           columns: this.originColumns,
           noCheckedValues: this.filterValue
         },
         on: {
           filter: (noCheckedValues) => this.filterValue = noCheckedValues
         }
       }),
       h('a-table', {
         props,
         on,
         scopedSlots: { ...this.$scopedSlots }
       },
         Object.keys(this.$slots).map(name => (
           <template slot={name}>{this.$slots[name]}</template>
         ))
       )
       ]}
     </div>
   )
 }
}
export default DragTable

<template>
  <div>
    <a-tooltip placement="leftTop" title="表格列顯示配置">
      <a-button @click="handleClick" class="optionBtn"><a-icon type="table" /></a-button>
    </a-tooltip>
    <div v-if="visible" class="table-select">
      <a-checkbox
        :checked="options.length === checkedValues.length"
        @change="onCheckAllChange"
      >
        全選/反選
      </a-checkbox>
      <a-checkbox-group
        :options="options"
        v-model="checkedValues"
        @change="selectChange"
      />
    </div>
  </div>
</template>
<script>
const componentName = 'ebig-table-option'
const TableOption= {
  name: componentName,
  props: {
    columns: { type: Array, default: ()=>([])},
    noCheckedValues: { type:Array, default: ()=>([]) }
  },
  data() {
    return {
      checkedValues: [],
      visible: false
    }
  },
  watch: {
    noCheckedValues: {
      handler(val) {
        this.checkedValues = this.options.filter(col => !val.includes(col.value)).map(c => c.value)
      },
      immediate: true
    }
  },
  computed: {
    options() {
      return this.columns.map(col => {
        const key = col.dataIndex || col.key
        return { label: col.title || col.slots.title, value: key + '' }
      })
    },
    allKeys: vm => vm.options.map(o => o.value)
  },
  methods: {
    handleClick() {
      this.visible = !this.visible
    },
    onCheckAllChange(e) {
      this.checkedValues = e.target.checked ? this.allKeys : []
      const noCheckedValues = e.target.checked ? [] : this.allKeys
      this.$emit('filter', noCheckedValues)
    },
    selectChange(checkedValues) {
      const noCheckedValues = this.allKeys.filter(key => !checkedValues.includes(key))
      this.$emit('filter', noCheckedValues)
    }
  }
}
export default TableOption
</script>
<style lang="less">
.optionBtn {
  padding: 0 4px !important;
  height: auto !important;
  opacity: 0.4;
  &:hover {
    opacity: 1;
  }
}
.ant-checkbox-group-item + .ant-checkbox-group-item {
  display: block
}
.table-select {
  position: absolute;
  background:#fff;
  border:1px solid #ecedef;
  top: 5px;
  right: 0;
  z-index: 100000;
  padding: 10px 0 10px 10px;
  width: 180px;
  max-height: 100%;
  overflow: auto;
  &::-webkit-scrollbar {
    width: 5px;
  }
  &::-webkit-scrollbar-thumb {
    border-radius: 8px;
    background-color: rgb(177, 175, 175);
  }
  &::-webkit-scrollbar-thumb:hover {
    border-radius: 10px;
    background-color: #22212177;
  }
}
</style>

<template>
  <a-card style="paddingTop: 50px">
    <drag-table
      ref="table"
      size="small"
      row-key="id"
      :columns="columns"
      :data="loadData"
    />
  </a-card>
</template>
<script>
import DragTable from './Table'
export default {
  name: 'drag-table-example',
  components: { DragTable },
  data() {
    return {
      columns: [
        { dataIndex: 'name', title: '姓名' },
        { dataIndex: 'sex', title: '性別' },
        { dataIndex: 'age', title: '年齡' },
        { dataIndex: 'school', title: '學(xué)校' }
      ],
      dataSource: []
    }
  },
  methods: {
    loadData() {
      return Promise.resolve({
        currPage: 1,
        pageSize: 10,
        totalCount: 9,
        totalPage: 1,
        list: [
          { id: 1, name: '張三', sex: '男', age: 18, school: '測試高級學(xué)校1'},
          { id: 2, name: '李四', sex: '女', age: 16, school: '測試高級學(xué)校2'},
          { id: 3, name: '王五', sex: '男', age: 15, school: '測試高級學(xué)校3'},
          { id: 4, name: '張紅', sex: '女', age: 17, school: '測試高級學(xué)校4'},
          { id: 5, name: '陳平', sex: '男', age: 20, school: '測試高級學(xué)校5'},
        ]
      })
    }
  }
}
</script>