列顺序
<script setup lang="ts">
import {
FlexRender,
getCoreRowModel,
useVueTable,
createColumnHelper
} from '@tanstack/vue-table'
import type { ColumnOrderState, Column } from '@tanstack/vue-table'
import { makeData } from './makeData'
import type { Person } from './makeData'
import { ref } from 'vue'
import { faker } from '@faker-js/faker'
const columnHelper = createColumnHelper<Person>()
const data = ref(makeData(20))
const columns = ref([
columnHelper.group({
header: 'Name',
footer: props => props.column.id,
columns: [
columnHelper.accessor('firstName', {
cell: info => info.getValue(),
footer: props => props.column.id
}),
columnHelper.accessor(row => row.lastName, {
id: 'lastName',
cell: info => info.getValue(),
header: () => 'Last Name',
footer: props => props.column.id
})
]
}),
columnHelper.group({
header: 'Info',
footer: props => props.column.id,
columns: [
columnHelper.accessor('age', {
header: () => 'Age',
footer: props => props.column.id
}),
columnHelper.group({
header: 'More Info',
columns: [
columnHelper.accessor('visits', {
header: () => 'Visits',
footer: props => props.column.id
}),
columnHelper.accessor('status', {
header: 'Status',
footer: props => props.column.id
}),
columnHelper.accessor('progress', {
header: 'Profile Progress',
footer: props => props.column.id
})
]
})
]
})
])
// 用于控制表格列的可见性状态,键为列ID,值为是否可见
const columnVisibility = ref({})
// 用于存储表格列的排序状态,数组中列ID的顺序决定了列在表格中的显示顺序
const columnOrder = ref<ColumnOrderState>([])
const rerender = () => (data.value = makeData(20))
const table = useVueTable({
get data() {
return data.value
},
get columns() {
return columns.value
},
state: {
get columnVisibility() {
return columnVisibility.value
},
get columnOrder() {
return columnOrder.value
}
},
// 如果提供了此函数,当 state.columnOrder 改变时,将使用 updaterFn 调用此函数。这会覆盖默认的内部状态管理,因此你需要完全或部分地在表格外部持久化状态更改。
onColumnOrderChange: (order) => {
columnOrder.value = order instanceof Function ? order(columnOrder.value) : order
},
// 这个必需选项是一个函数的工厂函数,该函数用于计算并返回表格的核心行模型。它会为每个表格调用一次,并且应该返回一个新函数,该新函数将计算并返回表格的行模型。
getCoreRowModel: getCoreRowModel(),
debugTable: true,
debugHeaders: true,
debugColumns: true
})
/**
* 随机打乱表格列的显示顺序
* 使用 faker 的 shuffle 方法将所有叶子列的 ID 顺序随机打乱
*/
const randomizeColumns = () => {
table.setColumnOrder(
// 获取所有叶子列(最底层的列,非分组列),提取它们的 ID,
// 然后使用 faker.helpers.shuffle 随机打乱顺序,并设置为新的列顺序
faker.helpers.shuffle(table.getAllLeafColumns().map(d => d.id))
)
}
/**
* 切换指定列的可见性状态
* @param column 要切换可见性的列对象
*/
function toggleColumnVisibility(column: Column<any, any>) {
// 使用展开运算符保留现有的可见性设置,
// 并将当前列的可见性设为其当前状态的相反值
columnVisibility.value = {
...columnVisibility.value,
[column.id]: !column.getIsVisible() // 切换当前列的可见性
}
}
/**
* 切换所有列的可见性状态
* 遍历所有叶子列并逐个切换它们的可见性
*/
function toggleAllColumnsVisibility() {
// 获取所有叶子列并逐个调用 toggleColumnVisibility 函数
table.getAllLeafColumns().forEach((column) => {
toggleColumnVisibility(column)
})
}
</script>
<template>
<div class="p-2">
<div class="inline-block border border-black shadow rounded">
<div class="px-1 border-b border-black">
<label>
<input
type="checkbox"
:checked="table.getIsAllColumnsVisible()"
@input="toggleAllColumnsVisibility"
>
Toggle All
</label>
</div>
<div
v-for="column in table.getAllLeafColumns()"
:key="column.id"
class="px-1"
>
<label>
<input
type="checkbox"
:checked="column.getIsVisible()"
@input="toggleColumnVisibility(column)"
>
{{ column.id }}
</label>
</div>
</div>
<div class="h-4" />
<div class="flex flex-wrap gap-2">
<button
class="border p-1"
@click="rerender"
>
Regenerate
</button>
<button
class="border p-1"
@click="randomizeColumns"
>
Shuffle Columns
</button>
</div>
<div class="h-4" />
<table>
<thead>
<tr
v-for="headerGroup in table.getHeaderGroups()"
:key="headerGroup.id"
>
<th
v-for="header in headerGroup.headers"
:key="header.id"
:colSpan="header.colSpan"
>
<FlexRender
v-if="!header.isPlaceholder"
:render="header.column.columnDef.header"
:props="header.getContext()"
/>
</th>
</tr>
</thead>
<tbody>
<tr
v-for="row in table.getRowModel().rows"
:key="row.id"
>
<td
v-for="cell in row.getVisibleCells()"
:key="cell.id"
>
<FlexRender
:render="cell.column.columnDef.cell"
:props="cell.getContext()"
/>
</td>
</tr>
</tbody>
<tfoot>
<tr
v-for="footerGroup in table.getFooterGroups()"
:key="footerGroup.id"
>
<th
v-for="header in footerGroup.headers"
:key="header.id"
:colSpan="header.colSpan"
>
<FlexRender
v-if="!header.isPlaceholder"
:render="header.column.columnDef.footer"
:props="header.getContext()"
/>
</th>
</tr>
</tfoot>
</table>
<pre>{{ JSON.stringify(table.getState().columnOrder, null, 2) }}</pre>
</div>
</template>
<style>
html,
body {
padding: 4px;
margin: 0;
font-family: Arial, Helvetica, sans-serif;
}
table {
border: 1px solid lightgray;
border-collapse: collapse;
}
tbody {
border-bottom: 1px solid lightgray;
}
th,
td {
border-bottom: 1px solid lightgray;
border-right: 1px solid lightgray;
padding: 2px 4px;
}
th {
padding: 8px;
}
tfoot {
color: gray;
}
tfoot th {
font-weight: normal;
}
</style>