Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
Thank you for the feedback!
If you have technical questions, please create a support ticket in the DevExpress Support Center.
Backend API
import React, { useCallback, useState } from 'react';
import Menu, { MenuTypes } from 'devextreme-react/menu';
import CheckBox, { 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 ${SUBMENU_HEIGHT}px`}
value={limitSubmenuHeight}
onValueChanged={limitSubmenuHeightOnMouseClick}
/>
</div>
</div>
</div>
);
};
export default App;
import React, { useCallback, useState } from 'react';
import Menu from 'devextreme-react/menu';
import CheckBox from 'devextreme-react/check-box';
import notify from 'devextreme/ui/notify';
import service from './data.js';
const SUBMENU_HEIGHT = 200;
const products = service.getProducts();
const App = () => {
const [limitSubmenuHeight, setLimitSubmenuHeight] = useState(false);
const itemClick = useCallback((e) => {
if (!e.itemData.items) {
notify(`The "${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;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
const 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;
},
};
window.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,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.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@15.8.1/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@24.1.6/cjs',
'devextreme-react': 'npm:devextreme-react@24.1.6/cjs',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13',
'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@7.4.11/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/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@3.0.13/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
const 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;
},
};
<!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/24.1.6/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import("./index.tsx");
</script>
</head>
<body class="dx-viewport">
<div id="app"></div>
</body>
</html>
.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;
}