<template> <div> <DxDataGrid :data-source="productsDataSource" :repaint-changes-only="true" :two-way-binding-enabled="false" :column-auto-width="true" :show-borders="true" > <DxPaging :page-size="10"/> <DxColumn data-field="ProductName" data-type="string" /> <DxColumn data-field="UnitPrice" data-type="number" format="currency" /> <DxColumn data-field="OrderCount" data-type="number" /> <DxColumn data-field="Quantity" data-type="number" /> <DxColumn data-field="Amount" data-type="number" format="currency" /> <DxSummary> <DxTotalItem column="ProductName" summary-type="count" /> <DxTotalItem column="Amount" summary-type="sum" display-format="{0}" value-format="currency" /> <DxTotalItem column="OrderCount" summary-type="sum" display-format="{0}" /> </DxSummary> <DxMasterDetail :enabled="true" template="productDetail" /> <template #productDetail="{ data: detail }"> <DxDataGrid :data-source="getDetailGridDataSource(detail.data)" :column-auto-width="true" :repaint-changes-only="true" :two-way-binding-enabled="false" :show-borders="true" > <DxPaging :page-size="5"/> <DxColumn data-field="OrderID" data-type="number" /> <DxColumn data-field="ShipCity" data-type="string" /> <DxColumn data-field="OrderDate" data-type="datetime" format="yyyy/MM/dd HH:mm:ss" /> <DxColumn data-field="UnitPrice" data-type="number" format="currency" /> <DxColumn data-field="Quantity" data-type="number" /> <DxColumn :allow-sorting="true" :calculate-cell-value="getAmount" caption="Amount" format="currency" data-type="number" /> <DxSummary> <DxTotalItem column="OrderID" summary-type="count" /> <DxTotalItem column="Quantity" summary-type="sum" display-format="{0}" /> <DxTotalItem column="Amount" summary-type="sum" display-format="{0}" value-format="currency" /> </DxSummary> </DxDataGrid> </template> </DxDataGrid> <div class="options"> <div class="caption">Options</div> <div class="option"> <span>Update frequency:</span> <DxSlider :min="10" :step="10" :max="5000" v-model:value="updatesPerSecond" > <DxTooltip :enabled="true" format="#0 per second" show-mode="always" position="top" /> </DxSlider> </div> </div> </div> </template> <script setup lang="ts"> import { onMounted, onUnmounted, ref } from 'vue'; import { DxDataGrid, DxColumn, DxSummary, DxTotalItem, DxMasterDetail, DxPaging, } from 'devextreme-vue/data-grid'; import { DxSlider, DxTooltip } from 'devextreme-vue/slider'; import { productsStore, ordersStore, getOrderCount, addOrder, type Order, type Product, } from './data.ts'; const updatesPerSecond = ref(100); const productsDataSource = { store: productsStore, reshapeOnPush: true, }; let interval: any; onMounted(() => { interval = setInterval(() => { if (getOrderCount() > 500000) { return; } for (let i = 0; i < updatesPerSecond.value / 20; i += 1) { addOrder(); } }, 50); }); onUnmounted(() => { clearInterval(interval); }); const getDetailGridDataSource = (product: Product) => ({ store: ordersStore, reshapeOnPush: true, filter: ['ProductID', '=', product.ProductID], }); const getAmount = (order: Order) => order.UnitPrice * order.Quantity; </script> <style scoped> .options { padding: 20px; margin-top: 20px; background-color: rgba(191, 191, 191, 0.15); } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 10px; display: flex; align-items: center; } .option > span { position: relative; top: 2px; margin-right: 10px; } .option > .dx-widget { width: 500px; display: inline-block; vertical-align: middle; } </style>
window.exports = window.exports || {}; window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, '*.ts': { loader: 'demo-ts-loader', }, '*.svg': { loader: 'svg-loader', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, 'openai': { 'esModule': true, }, }, paths: { 'project:': '../../../../', 'npm:': 'https://cdn.jsdelivr.net/npm/', 'bundles:': '../../../../bundles/', 'externals:': '../../../../bundles/externals/', }, map: { 'vue': 'npm:vue@3.4.27/dist/vue.esm-browser.js', '@vue/shared': 'npm:@vue/shared@3.4.27/dist/shared.cjs.prod.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.2/index.js', 'demo-ts-loader': 'project:utils/demo-ts-loader.js', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'svg-loader': 'project:utils/svg-loader.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign', 'devextreme': 'npm:devextreme@25.1.4/cjs', 'devextreme-vue': 'npm:devextreme-vue@25.1.4/cjs', 'devextreme-quill': 'npm:devextreme-quill@1.7.3/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.19/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.62/dist/dx-gantt.js', 'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@8.2.3/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js', '@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.min.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', // Prettier 'prettier/standalone': 'npm:prettier@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme-vue/common': { main: 'index.js', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/common/core/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);
import ArrayStore from 'devextreme/data/array_store'; export type Product = { ProductID: number; ProductName: string; UnitPrice: number; Quantity: number; Amount: number; OrderCount: number; }; export type Order = { OrderID: number; ShipCity: string; ProductID: number; UnitPrice: number; OrderDate: Date; Quantity: number; }; const cities = ['Los Angeles', 'Denver', 'Bentonville', 'Atlanta', 'Reno', 'Beaver', 'Malibu', 'Phoenix', 'San Diego', 'Little Rock', 'Pasadena', 'Boise', 'San Jose', 'Chatsworth', 'San Fernando', 'South Pasadena', 'San Fernando Valley', 'La Canada', 'St. Louis']; const orders: Order[] = []; const products: Product[] = []; for (let i = 1; i <= 100; i += 1) { products.push({ ProductID: i, ProductName: `Product ${i}`, UnitPrice: Math.floor(Math.random() * 1000) + 1, Quantity: 0, Amount: 0, OrderCount: 0, }); } export const productsStore = new ArrayStore<Product, number>({ key: 'ProductID', data: products, }); export const ordersStore = new ArrayStore<Order, number>({ key: 'OrderID', data: orders, }); export const getOrderCount = () => orders.length; export const addOrder = () => { const product = products[Math.round(Math.random() * 99)]; const order: Order = { OrderID: orders.length ? orders[orders.length - 1].OrderID + 1 : 20001, ShipCity: cities[Math.round(Math.random() * (cities.length - 1))], ProductID: product.ProductID, UnitPrice: product.UnitPrice, OrderDate: new Date(), Quantity: Math.round(Math.random() * 20) + 1, }; ordersStore.push([{ type: 'insert', data: order }]); productsStore.push([{ type: 'update', key: order.ProductID, data: { OrderCount: product.OrderCount + 1, Quantity: product.Quantity + order.Quantity, Amount: product.Amount + order.UnitPrice * order.Quantity, }, }]); };
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/25.1.4/css/dx.light.css" /> <script type="module"> import * as vueCompilerSFC from "https://cdn.jsdelivr.net/npm/@vue/compiler-sfc@3.4.27/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <script src="https://cdn.jsdelivr.net/npm/typescript@5.4.5/lib/typescript.js"></script> <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.ts"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>
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