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Backend API
x
import React, { useCallback, useState } from 'react';import Menu, { type MenuTypes } from 'devextreme-react/menu';import CheckBox, { type CheckBoxTypes } from 'devextreme-react/check-box';import notify from 'devextreme/ui/notify';import service from './data.ts';const SUBMENU_HEIGHT = 200;const products = service.getProducts();const App = () => { const [limitSubmenuHeight, setLimitSubmenuHeight] = useState(false); const itemClick = useCallback((e: MenuTypes.ItemClickEvent) => { if (!e.itemData.items) { notify(`The "${e.itemData.text}" item was clicked`, 'success', 1500); } }, []); const limitSubmenuHeightOnMouseClick = useCallback((e: CheckBoxTypes.ValueChangedEvent) => { setLimitSubmenuHeight(e.value); }, [setLimitSubmenuHeight]); const onSubmenuShowing = useCallback(({ submenuContainer }: HTMLElement) => { submenuContainer.style.maxHeight = limitSubmenuHeight ? `${SUBMENU_HEIGHT}px` : ''; }, [limitSubmenuHeight]); return ( <div className="demo-container"> <div className="content"> <div className="label">Catalog:</div> <Menu dataSource={products} onItemClick={itemClick} onSubmenuShowing={onSubmenuShowing} /> </div> <div className="options"> <div className="caption">Options</div> <div className="option"> <CheckBox text={`Limit submenu height to ${SUBMENU_HEIGHT}px`} value={limitSubmenuHeight} onValueChanged={limitSubmenuHeightOnMouseClick} /> </div> </div> </div> );};export default App;xxxxxxxxxximport React, { useCallback, useState } from 'react';import Menu from 'devextreme-react/menu';import CheckBox from 'devextreme-react/check-box';import notify from 'devextreme/ui/notify';import service from './data.js';const SUBMENU_HEIGHT = 200;const products = service.getProducts();const App = () => { const [limitSubmenuHeight, setLimitSubmenuHeight] = useState(false); const itemClick = useCallback((e) => { if (!e.itemData.items) { notify(`The "${e.itemData.text}" item was clicked`, 'success', 1500); } }, []); const limitSubmenuHeightOnMouseClick = useCallback( (e) => { setLimitSubmenuHeight(e.value); }, [setLimitSubmenuHeight], ); const onSubmenuShowing = useCallback( ({ submenuContainer }) => { submenuContainer.style.maxHeight = limitSubmenuHeight ? `${SUBMENU_HEIGHT}px` : ''; }, [limitSubmenuHeight], ); return ( <div className="demo-container"> <div className="content"> <div className="label">Catalog:</div> <Menu dataSource={products} onItemClick={itemClick} onSubmenuShowing={onSubmenuShowing} /> </div> <div className="options"> <div className="caption">Options</div> <div className="option"> <CheckBox text={`Limit submenu height to ${SUBMENU_HEIGHT}px`} value={limitSubmenuHeight} onValueChanged={limitSubmenuHeightOnMouseClick} /> </div> </div> </div> );};export default App;xxxxxxxxxximport React from 'react';import ReactDOM from 'react-dom';import App from './App.tsx';ReactDOM.render( <App />, document.getElementById('app'),);xxxxxxxxxxconst products = [ { text: 'Electronics', items: [ { text: 'Computers', items: [ { text: 'Desktops', }, { text: 'Laptops', }, { text: 'Tablets', }, { text: 'Monitors', }, { text: 'Printers', }, { text: 'Scanners', }, { text: 'Servers', }, { text: 'Network Devices', }, { text: 'Warranties', }, { text: 'Projectors & Screens' }, { text: 'Computer Accessories', }, ] }, { text: 'Cell Phones', items: [ { text: 'Home & Office Phones', }, { text: 'Smart Phones & PDAs', }, { text: 'Senior Cell Phones' }, { text: 'Mobile Broadband Devices', }, { text: 'Cell Phone Accessories', }, ] }, { text: 'Camera & Photo', items: [ { text: 'Action Cameras', }, { text: 'Camcorders', }, { text: 'Digital Cameras', }, { text: 'Digital Picture Frames', }, { text: 'Film Cameras', }, { text: 'Professional Video Cameras', }, { text: 'Flashes', }, { text: 'Lenses', }, { text: 'Photo Printers', }, { text: 'Film & Slide Scanners', }, { text: 'Slide Projectors', }, { text: 'Slide Viewers', }, { text: 'Tripods & Monopods', }, { text: 'Underwater Video & Photography', }, { text: 'Camera Accessories', }, ] }, { text: 'Audio', items: [ { text: 'Boomboxes', }, { text: 'DVD & CD Player Bags', }, { text: 'Hi-Fi & Home Audio Accessories', }, { text: 'Media Streaming Devices', }, { text: 'MP3 & Digital Media Players', }, { text: 'MP3 Player Accessories', }, { text: 'Personal Cassette Players', }, { text: 'Personal CD Players', }, { text: 'Compact Stereos', }, { text: 'Speakers', }, ] }, { text: 'Home Appliances', items: [ { text: 'Air Conditioners', }, { text: 'Coffee Machines', }, { text: 'Fans', }, { text: 'Lamps', }, { text: 'Microwaves', }, { text: 'Refrigerators', }, { text: 'Washers & Dryers' }, { text: ' Water Heaters', }, { 'text': 'Vacuum' }, { text: 'Steaming & Ironing' } ] }, ] }, { text: 'Entertainment', items: [ { text: 'Films & Music', items: [ { text: 'TV Shows', }, { text: 'DVD', }, { text: 'Blu-ray', }, { text: 'CD', }, { text: 'SACD', }, { text: 'Vinyl', }, { text: 'Cassette' }, { text: 'Musical Instruments', }, { text: 'DJ Equipment' } ] }, { text: 'Games & Toys', items: [ { text: 'PC Games', }, { text: 'Virtual Reality', }, { text: 'Boxed Games', }, { text: 'Download Games', }, { text: 'Handheld Game Systems' }, { text: 'Legacy Systems', }, { text: 'Cards', }, ] }, ] }, { text: 'Healthcare & Living', items: [ { text: 'Sports & Outdoors', items: [ { text: 'Camping', }, { text: 'Fitness', }, { text: 'Football', }, { text: 'Cycling', }, { text: 'Running', }, { text: 'Sport Electronics', }, { text: 'Sport Apparel' }, { text: 'Trainers & Tennis Shoes', }, ] }, { text: 'Beauty', items: [ { text: 'Bath & Shower', }, { text: 'Skin Care', }, { text: 'Hair Care', }, { text: 'Nail Care', }, { text: 'Make-up' }, { text: 'Fragrance', }, { text: 'Salon & SPA Equipment', }, { text: 'Tools & Accessories', }, ] }, { text: 'Fashion', items: [ { text: 'Clothing', }, { text: 'Jewellery', }, { text: 'Shoes', }, { text: 'Handbags & Shoulder Bags', }, { text: 'Watches', }, { text: 'Accessories', } ] } ] },];export interface ProductItemType { text: string;}export interface ProductType { text: string; items: (ProductItemType | ProductType)[];}export default { getProducts(): ProductType[] { return products; },};xxxxxxxxxxwindow.exports = window.exports || {};window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, jsx: 'react', }, meta: { 'react': { 'esModule': true, }, 'typescript': { 'exports': 'ts', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, 'openai': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', 'bundles:': 'bundles/', 'externals:': 'bundles/externals/', }, defaultExtension: 'js', map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'react': 'npm:react@17.0.2/umd/react.development.js', 'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js', 'prop-types': 'npm:prop-types/prop-types.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@24.2.6/cjs', 'devextreme-react': 'npm:devextreme-react@24.2.6/cjs', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.15/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.60/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/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', 'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3', // SystemJS plugins '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': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/common/core/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: 'json', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.12/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, },};System.config(window.config);xxxxxxxxxximport React from 'react';import ReactDOM from 'react-dom';import App from './App.js';ReactDOM.render(<App />, document.getElementById('app'));xxxxxxxxxxconst products = [ { text: 'Electronics', items: [ { text: 'Computers', items: [ { text: 'Desktops', }, { text: 'Laptops', }, { text: 'Tablets', }, { text: 'Monitors', }, { text: 'Printers', }, { text: 'Scanners', }, { text: 'Servers', }, { text: 'Network Devices', }, { text: 'Warranties', }, { text: 'Projectors & Screens' }, { text: 'Computer Accessories', }, ] }, { text: 'Cell Phones', items: [ { text: 'Home & Office Phones', }, { text: 'Smart Phones & PDAs', }, { text: 'Senior Cell Phones' }, { text: 'Mobile Broadband Devices', }, { text: 'Cell Phone Accessories', }, ] }, { text: 'Camera & Photo', items: [ { text: 'Action Cameras', }, { text: 'Camcorders', }, { text: 'Digital Cameras', }, { text: 'Digital Picture Frames', }, { text: 'Film Cameras', }, { text: 'Professional Video Cameras', }, { text: 'Flashes', }, { text: 'Lenses', }, { text: 'Photo Printers', }, { text: 'Film & Slide Scanners', }, { text: 'Slide Projectors', }, { text: 'Slide Viewers', }, { text: 'Tripods & Monopods', }, { text: 'Underwater Video & Photography', }, { text: 'Camera Accessories', }, ] }, { text: 'Audio', items: [ { text: 'Boomboxes', }, { text: 'DVD & CD Player Bags', }, { text: 'Hi-Fi & Home Audio Accessories', }, { text: 'Media Streaming Devices', }, { text: 'MP3 & Digital Media Players', }, { text: 'MP3 Player Accessories', }, { text: 'Personal Cassette Players', }, { text: 'Personal CD Players', }, { text: 'Compact Stereos', }, { text: 'Speakers', }, ] }, { text: 'Home Appliances', items: [ { text: 'Air Conditioners', }, { text: 'Coffee Machines', }, { text: 'Fans', }, { text: 'Lamps', }, { text: 'Microwaves', }, { text: 'Refrigerators', }, { text: 'Washers & Dryers' }, { text: ' Water Heaters', }, { 'text': 'Vacuum' }, { text: 'Steaming & Ironing' } ] }, ] }, { text: 'Entertainment', items: [ { text: 'Films & Music', items: [ { text: 'TV Shows', }, { text: 'DVD', }, { text: 'Blu-ray', }, { text: 'CD', }, { text: 'SACD', }, { text: 'Vinyl', }, { text: 'Cassette' }, { text: 'Musical Instruments', }, { text: 'DJ Equipment' } ] }, { text: 'Games & Toys', items: [ { text: 'PC Games', }, { text: 'Virtual Reality', }, { text: 'Boxed Games', }, { text: 'Download Games', }, { text: 'Handheld Game Systems' }, { text: 'Legacy Systems', }, { text: 'Cards', }, ] }, ] }, { text: 'Healthcare & Living', items: [ { text: 'Sports & Outdoors', items: [ { text: 'Camping', }, { text: 'Fitness', }, { text: 'Football', }, { text: 'Cycling', }, { text: 'Running', }, { text: 'Sport Electronics', }, { text: 'Sport Apparel' }, { text: 'Trainers & Tennis Shoes', }, ] }, { text: 'Beauty', items: [ { text: 'Bath & Shower', }, { text: 'Skin Care', }, { text: 'Hair Care', }, { text: 'Nail Care', }, { text: 'Make-up' }, { text: 'Fragrance', }, { text: 'Salon & SPA Equipment', }, { text: 'Tools & Accessories', }, ] }, { text: 'Fashion', items: [ { text: 'Clothing', }, { text: 'Jewellery', }, { text: 'Shoes', }, { text: 'Handbags & Shoulder Bags', }, { text: 'Watches', }, { text: 'Accessories', } ] } ] },];export default { getProducts() { return products; },};xxxxxxxxxx<html lang="en"> <head></head> <body class="dx-viewport"> <div id="app"></div> </body></html>xxxxxxxxxx.demo-container { display: flex;}.label { font-size: 22px; padding-bottom: 24px;}.content { flex-grow: 1; width: 100%; min-width: 500px; overflow: clip;}.options { display: flex; flex-direction: column; padding: 20px; background-color: rgba(191, 191, 191, 0.15);}.caption { font-size: 18px; font-weight: 500;}.option { margin-top: 10px;}