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https://gitee.com/xuliangzhan_admin/vxe-table.git
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258 lines
11 KiB
Vue
258 lines
11 KiB
Vue
<template>
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<div>
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<p class="tip">
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虚拟树表格的懒加载和右键菜单，通过调用 <table-api-link prop="clearTreeExpandLoaded"/> 方法清除加载完成状态，通过调用 <table-api-link prop="reloadTreeExpand"/> 方法重新加载子节点
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</p>
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<vxe-table
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border
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resizable
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ref="xTree1"
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height="400"
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:row-config="{keyField: 'id'}"
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:menu-config="demo1.tableMenu"
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:tree-config="demo1.treeConfig"
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:data="demo1.tableData"
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:scroll-y="{enabled: true}"
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@menu-click="contextMenuClickEvent">
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<vxe-column field="id" title="Id" width="400" tree-node></vxe-column>
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<vxe-column field="size" title="Size"></vxe-column>
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<vxe-column field="type" title="Type"></vxe-column>
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<vxe-column field="date" title="Date"></vxe-column>
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</vxe-table>
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<p class="demo-code">{{ $t('app.body.button.showCode') }}</p>
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<pre>
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<pre-code class="xml">{{ demoCodes[0] }}</pre-code>
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<pre-code class="typescript">{{ demoCodes[1] }}</pre-code>
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</pre>
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</div>
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</template>
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<script lang="ts">
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import { defineComponent, reactive, ref } from 'vue'
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import { VxeTableInstance, VxeTablePropTypes, VxeTableEvents } from '../../../../types/index'
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export default defineComponent({
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setup () {
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const xTree1 = ref({} as VxeTableInstance)
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let key = 1
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const demo1 = reactive({
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treeConfig: {
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lazy: true,
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transform: true,
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rowField: 'id',
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parentField: 'parentId',
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hasChild: 'hasChild',
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loadMethod ({ row }) {
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// 异步加载子节点
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return new Promise(resolve => {
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setTimeout(() => {
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const childs = [
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp4', size: null, date: '2021-10-03', hasChild: true },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-09', hasChild: false },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-09', hasChild: true },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-08-05', hasChild: false },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-01', hasChild: false },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-01', hasChild: true },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-01', hasChild: false }
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]
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resolve(childs)
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}, 500)
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})
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}
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} as VxeTablePropTypes.TreeConfig,
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tableMenu: {
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body: {
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options: [
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[
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{ code: 'clearLoaded', name: '清除加载状态', disabled: false },
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{ code: 'reloadNodes', name: '重新加载子节点', disabled: false },
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{ code: 'expand', name: '展开节点', disabled: false },
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{ code: 'contract', name: '收起节点', disabled: false }
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]
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]
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},
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visibleMethod ({ row, type, options }) {
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const $table = xTree1.value
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const treeConfig = demo1.treeConfig
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if (type === 'body') {
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options.forEach(list => {
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list.forEach(item => {
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if (item.code === 'expand' || item.code === 'contract') {
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if (row && treeConfig.children && row[treeConfig.children] && row[treeConfig.children].length) {
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const isExpand = $table.isTreeExpandByRow(row)
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item.disabled = item.code === 'expand' ? isExpand : !isExpand
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} else {
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item.disabled = true
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}
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}
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})
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})
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}
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return true
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}
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} as VxeTablePropTypes.MenuConfig,
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tableData: [
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{ id: ++key, parentKey: null, name: 'vxe-table test abc1', type: 'mp3', size: 1024, date: '2020-08-01' },
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{ id: ++key, parentKey: null, name: 'Test2', type: 'mp4', size: null, date: '2021-04-01', hasChild: true },
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{ id: ++key, parentKey: null, name: 'Test23', type: 'mp4', size: null, date: '2021-01-02', hasChild: true },
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{ id: ++key, parentKey: null, name: 'vxe-table test abc9', type: 'avi', size: 224, date: '2020-10-04' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-04-01' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-10-03' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-10-09' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-05-01' }
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] as any[]
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})
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const contextMenuClickEvent: VxeTableEvents.MenuClick = ({ menu, row }) => {
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const $table = xTree1.value
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switch (menu.code) {
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case 'clearLoaded':
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$table.clearTreeExpandLoaded(row)
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break
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case 'reloadNodes':
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$table.reloadTreeExpand(row)
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break
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case 'expand':
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$table.setTreeExpand(row, true)
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break
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case 'contract':
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$table.setTreeExpand(row, false)
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break
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}
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}
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return {
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xTree1,
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demo1,
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contextMenuClickEvent,
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demoCodes: [
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`
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<vxe-table
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border
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resizable
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ref="xTree1"
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height="400"
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row-id="id"
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:menu-config="demo1.tableMenu"
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:tree-config="demo1.treeConfig"
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:data="demo1.tableData"
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@menu-click="contextMenuClickEvent">
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<vxe-column field="id" title="Id" width="400" tree-node></vxe-column>
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<vxe-column field="size" title="Size"></vxe-column>
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<vxe-column field="type" title="Type"></vxe-column>
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<vxe-column field="date" title="Date"></vxe-column>
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</vxe-table>
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`,
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`
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import { defineComponent, reactive, ref } from 'vue'
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import { VxeTableInstance, VxeTablePropTypes, VxeTableEvents } from 'vxe-table'
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export default defineComponent({
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setup () {
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const xTree1 = ref({} as VxeTableInstance)
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let key = 1
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const demo1 = reactive({
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treeConfig: {
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lazy: true,
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transform: true,
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rowField: 'id',
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parentField: 'parentId',
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hasChild: 'hasChild',
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loadMethod ({ row }) {
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// 异步加载子节点
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return new Promise(resolve => {
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setTimeout(() => {
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const childs = [
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp4', size: null, date: '2021-10-03', hasChild: true },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-09', hasChild: false },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-09', hasChild: true },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-08-05', hasChild: false },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-01', hasChild: false },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-01', hasChild: true },
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{ id: ++key, parentId: row.id, name: row.name + 'Test', type: 'mp3', size: null, date: '2021-07-01', hasChild: false }
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]
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resolve(childs)
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}, 500)
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})
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}
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} as VxeTablePropTypes.TreeConfig,
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tableMenu: {
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body: {
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options: [
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[
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{ code: 'clearLoaded', name: '清除加载状态', disabled: false },
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{ code: 'reloadNodes', name: '重新加载子节点', disabled: false },
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{ code: 'expand', name: '展开节点', disabled: false },
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{ code: 'contract', name: '收起节点', disabled: false }
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]
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]
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},
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visibleMethod ({ row, type, options }) {
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const $table = xTree1.value
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const treeConfig = demo1.treeConfig
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if (type === 'body') {
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options.forEach(list => {
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list.forEach(item => {
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if (item.code === 'expand' || item.code === 'contract') {
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if (row && treeConfig.children && row[treeConfig.children] && row[treeConfig.children].length) {
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const isExpand = $table.isTreeExpandByRow(row)
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item.disabled = item.code === 'expand' ? isExpand : !isExpand
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} else {
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item.disabled = true
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}
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}
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})
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})
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}
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return true
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}
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} as VxeTablePropTypes.MenuConfig,
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tableData: [
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{ id: ++key, parentKey: null, name: 'vxe-table test abc1', type: 'mp3', size: 1024, date: '2020-08-01' },
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{ id: ++key, parentKey: null, name: 'Test2', type: 'mp4', size: null, date: '2021-04-01', hasChild: true },
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{ id: ++key, parentKey: null, name: 'Test23', type: 'mp4', size: null, date: '2021-01-02', hasChild: true },
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{ id: ++key, parentKey: null, name: 'vxe-table test abc9', type: 'avi', size: 224, date: '2020-10-04' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-04-01' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-10-03' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-10-09' },
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{ id: ++key, parentKey: null, name: 'test abc', type: 'avi', size: 224, date: '2020-05-01' }
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] as any[]
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})
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const contextMenuClickEvent: VxeTableEvents.MenuClick = ({ menu, row }) => {
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const $table = xTree1.value
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switch (menu.code) {
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case 'clearLoaded':
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$table.clearTreeExpandLoaded(row)
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break
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case 'reloadNodes':
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$table.reloadTreeExpand(row)
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break
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case 'expand':
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$table.setTreeExpand(row, true)
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break
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case 'contract':
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$table.setTreeExpand(row, false)
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break
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}
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}
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return {
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xTree1,
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demo1,
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contextMenuClickEvent
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}
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}
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})
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`
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]
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}
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}
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})
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</script>
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