import React, { useCallback, useState } from 'react';
import TreeView, { TreeViewTypes } from 'devextreme-react/tree-view';
import service, { ProductType } from './data.ts';
const products = service.getProducts();
const App = () => {
const [currentItem, setCurrentItem] = useState({ ...products[0] });
const selectItem = useCallback((e: TreeViewTypes.ItemClickEvent & { itemData?: ProductType; }) => {
setCurrentItem({ ...e.itemData });
}, [setCurrentItem]);
return (
<div className="form">
<TreeView id="simple-treeview"
items={products}
width={300}
onItemClick={selectItem} />
{currentItem.price
&& <div id="product-details">
<img src={currentItem.image} />
<div className="name">{currentItem.text}</div>
<div className="price">{`$${currentItem.price}`}</div>
</div>
}
</div>
);
};
export default App;
import React, { useCallback, useState } from 'react';
import TreeView from 'devextreme-react/tree-view';
import service from './data.js';
const products = service.getProducts();
const App = () => {
const [currentItem, setCurrentItem] = useState({ ...products[0] });
const selectItem = useCallback(
(e) => {
setCurrentItem({ ...e.itemData });
},
[setCurrentItem],
);
return (
<div className="form">
<TreeView
id="simple-treeview"
items={products}
width={300}
onItemClick={selectItem}
/>
{currentItem.price && (
<div id="product-details">
<img src={currentItem.image} />
<div className="name">{currentItem.text}</div>
<div className="price">{`$${currentItem.price}`}</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 = [{
id: '1',
text: 'Stores',
expanded: true,
items: [{
id: '1_1',
text: 'Super Mart of the West',
expanded: true,
items: [{
id: '1_1_1',
text: 'Video Players',
items: [{
id: '1_1_1_1',
text: 'HD Video Player',
price: 220,
image: '../../../../images/products/1.png',
}, {
id: '1_1_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 270,
}],
}, {
id: '1_1_2',
text: 'Televisions',
expanded: true,
items: [{
id: '1_1_2_1',
text: 'SuperLCD 42',
image: '../../../../images/products/7.png',
price: 1200,
}, {
id: '1_1_2_2',
text: 'SuperLED 42',
image: '../../../../images/products/5.png',
price: 1450,
}, {
id: '1_1_2_3',
text: 'SuperLED 50',
image: '../../../../images/products/4.png',
price: 1600,
}, {
id: '1_1_2_4',
text: 'SuperLCD 55',
image: '../../../../images/products/6.png',
price: 1350,
}, {
id: '1_1_2_5',
text: 'SuperLCD 70',
image: '../../../../images/products/9.png',
price: 4000,
}],
}, {
id: '1_1_3',
text: 'Monitors',
expanded: true,
items: [{
id: '1_1_3_1',
text: '19"',
expanded: true,
items: [{
id: '1_1_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 160,
}],
}, {
id: '1_1_3_2',
text: '21"',
items: [{
id: '1_1_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 170,
}, {
id: '1_1_3_2_2',
text: 'DesktopLED 21',
image: '../../../../images/products/13.png',
price: 175,
}],
}],
}, {
id: '1_1_4',
text: 'Projectors',
items: [{
id: '1_1_4_1',
text: 'Projector Plus',
image: '../../../../images/products/14.png',
price: 550,
}, {
id: '1_1_4_2',
text: 'Projector PlusHD',
image: '../../../../images/products/15.png',
price: 750,
}],
}],
}, {
id: '1_2',
text: 'Braeburn',
items: [{
id: '1_2_1',
text: 'Video Players',
items: [{
id: '1_2_1_1',
text: 'HD Video Player',
image: '../../../../images/products/1.png',
price: 240,
}, {
id: '1_2_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 300,
}],
}, {
id: '1_2_2',
text: 'Televisions',
items: [{
id: '1_2_2_1',
text: 'SuperPlasma 50',
image: '../../../../images/products/3.png',
price: 1800,
}, {
id: '1_2_2_2',
text: 'SuperPlasma 65',
image: '../../../../images/products/8.png',
price: 3500,
}],
}, {
id: '1_2_3',
text: 'Monitors',
items: [{
id: '1_2_3_1',
text: '19"',
items: [{
id: '1_2_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 170,
}],
}, {
id: '1_2_3_2',
text: '21"',
items: [{
id: '1_2_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 180,
}, {
id: '1_2_3_2_2',
text: 'DesktopLED 21',
image: '../../../../images/products/13.png',
price: 190,
}],
}],
}],
}, {
id: '1_3',
text: 'E-Mart',
items: [{
id: '1_3_1',
text: 'Video Players',
items: [{
id: '1_3_1_1',
text: 'HD Video Player',
image: '../../../../images/products/1.png',
price: 220,
}, {
id: '1_3_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 275,
}],
}, {
id: '1_3_3',
text: 'Monitors',
items: [{
id: '1_3_3_1',
text: '19"',
items: [{
id: '1_3_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 165,
}],
}, {
id: '1_3_3_2',
text: '21"',
items: [{
id: '1_3_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 175,
}],
}],
}],
}, {
id: '1_4',
text: 'Walters',
items: [{
id: '1_4_1',
text: 'Video Players',
items: [{
id: '1_4_1_1',
text: 'HD Video Player',
image: '../../../../images/products/1.png',
price: 210,
}, {
id: '1_4_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 250,
}],
}, {
id: '1_4_2',
text: 'Televisions',
items: [{
id: '1_4_2_1',
text: 'SuperLCD 42',
image: '../../../../images/products/7.png',
price: 1100,
}, {
id: '1_4_2_2',
text: 'SuperLED 42',
image: '../../../../images/products/5.png',
price: 1400,
}, {
id: '1_4_2_3',
text: 'SuperLED 50',
image: '../../../../images/products/4.png',
price: 1500,
}, {
id: '1_4_2_4',
text: 'SuperLCD 55',
image: '../../../../images/products/6.png',
price: 1300,
}, {
id: '1_4_2_5',
text: 'SuperLCD 70',
image: '../../../../images/products/9.png',
price: 4000,
}, {
id: '1_4_2_6',
text: 'SuperPlasma 50',
image: '../../../../images/products/3.png',
price: 1700,
}],
}, {
id: '1_4_3',
text: 'Monitors',
items: [{
id: '1_4_3_1',
text: '19"',
items: [{
id: '1_4_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 160,
}],
}, {
id: '1_4_3_2',
text: '21"',
items: [{
id: '1_4_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 170,
}, {
id: '1_4_3_2_2',
text: 'DesktopLED 21',
image: '../../../../images/products/13.png',
price: 180,
}],
}],
}, {
id: '1_4_4',
text: 'Projectors',
items: [{
id: '1_4_4_1',
text: 'Projector Plus',
image: '../../../../images/products/14.png',
price: 550,
}, {
id: '1_4_4_2',
text: 'Projector PlusHD',
image: '../../../../images/products/15.png',
price: 750,
}],
}],
}],
}];
export interface ProductType {
id: string,
text: string,
items?: ProductType[],
expanded?: boolean,
image?: string,
price?: number,
}
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@24.1.7/cjs',
'devextreme-react': 'npm:devextreme-react@24.1.7/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@2.2.12/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 = [
{
id: '1',
text: 'Stores',
expanded: true,
items: [
{
id: '1_1',
text: 'Super Mart of the West',
expanded: true,
items: [
{
id: '1_1_1',
text: 'Video Players',
items: [
{
id: '1_1_1_1',
text: 'HD Video Player',
price: 220,
image: '../../../../images/products/1.png',
},
{
id: '1_1_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 270,
},
],
},
{
id: '1_1_2',
text: 'Televisions',
expanded: true,
items: [
{
id: '1_1_2_1',
text: 'SuperLCD 42',
image: '../../../../images/products/7.png',
price: 1200,
},
{
id: '1_1_2_2',
text: 'SuperLED 42',
image: '../../../../images/products/5.png',
price: 1450,
},
{
id: '1_1_2_3',
text: 'SuperLED 50',
image: '../../../../images/products/4.png',
price: 1600,
},
{
id: '1_1_2_4',
text: 'SuperLCD 55',
image: '../../../../images/products/6.png',
price: 1350,
},
{
id: '1_1_2_5',
text: 'SuperLCD 70',
image: '../../../../images/products/9.png',
price: 4000,
},
],
},
{
id: '1_1_3',
text: 'Monitors',
expanded: true,
items: [
{
id: '1_1_3_1',
text: '19"',
expanded: true,
items: [
{
id: '1_1_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 160,
},
],
},
{
id: '1_1_3_2',
text: '21"',
items: [
{
id: '1_1_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 170,
},
{
id: '1_1_3_2_2',
text: 'DesktopLED 21',
image: '../../../../images/products/13.png',
price: 175,
},
],
},
],
},
{
id: '1_1_4',
text: 'Projectors',
items: [
{
id: '1_1_4_1',
text: 'Projector Plus',
image: '../../../../images/products/14.png',
price: 550,
},
{
id: '1_1_4_2',
text: 'Projector PlusHD',
image: '../../../../images/products/15.png',
price: 750,
},
],
},
],
},
{
id: '1_2',
text: 'Braeburn',
items: [
{
id: '1_2_1',
text: 'Video Players',
items: [
{
id: '1_2_1_1',
text: 'HD Video Player',
image: '../../../../images/products/1.png',
price: 240,
},
{
id: '1_2_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 300,
},
],
},
{
id: '1_2_2',
text: 'Televisions',
items: [
{
id: '1_2_2_1',
text: 'SuperPlasma 50',
image: '../../../../images/products/3.png',
price: 1800,
},
{
id: '1_2_2_2',
text: 'SuperPlasma 65',
image: '../../../../images/products/8.png',
price: 3500,
},
],
},
{
id: '1_2_3',
text: 'Monitors',
items: [
{
id: '1_2_3_1',
text: '19"',
items: [
{
id: '1_2_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 170,
},
],
},
{
id: '1_2_3_2',
text: '21"',
items: [
{
id: '1_2_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 180,
},
{
id: '1_2_3_2_2',
text: 'DesktopLED 21',
image: '../../../../images/products/13.png',
price: 190,
},
],
},
],
},
],
},
{
id: '1_3',
text: 'E-Mart',
items: [
{
id: '1_3_1',
text: 'Video Players',
items: [
{
id: '1_3_1_1',
text: 'HD Video Player',
image: '../../../../images/products/1.png',
price: 220,
},
{
id: '1_3_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 275,
},
],
},
{
id: '1_3_3',
text: 'Monitors',
items: [
{
id: '1_3_3_1',
text: '19"',
items: [
{
id: '1_3_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 165,
},
],
},
{
id: '1_3_3_2',
text: '21"',
items: [
{
id: '1_3_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 175,
},
],
},
],
},
],
},
{
id: '1_4',
text: 'Walters',
items: [
{
id: '1_4_1',
text: 'Video Players',
items: [
{
id: '1_4_1_1',
text: 'HD Video Player',
image: '../../../../images/products/1.png',
price: 210,
},
{
id: '1_4_1_2',
text: 'SuperHD Video Player',
image: '../../../../images/products/2.png',
price: 250,
},
],
},
{
id: '1_4_2',
text: 'Televisions',
items: [
{
id: '1_4_2_1',
text: 'SuperLCD 42',
image: '../../../../images/products/7.png',
price: 1100,
},
{
id: '1_4_2_2',
text: 'SuperLED 42',
image: '../../../../images/products/5.png',
price: 1400,
},
{
id: '1_4_2_3',
text: 'SuperLED 50',
image: '../../../../images/products/4.png',
price: 1500,
},
{
id: '1_4_2_4',
text: 'SuperLCD 55',
image: '../../../../images/products/6.png',
price: 1300,
},
{
id: '1_4_2_5',
text: 'SuperLCD 70',
image: '../../../../images/products/9.png',
price: 4000,
},
{
id: '1_4_2_6',
text: 'SuperPlasma 50',
image: '../../../../images/products/3.png',
price: 1700,
},
],
},
{
id: '1_4_3',
text: 'Monitors',
items: [
{
id: '1_4_3_1',
text: '19"',
items: [
{
id: '1_4_3_1_1',
text: 'DesktopLCD 19',
image: '../../../../images/products/10.png',
price: 160,
},
],
},
{
id: '1_4_3_2',
text: '21"',
items: [
{
id: '1_4_3_2_1',
text: 'DesktopLCD 21',
image: '../../../../images/products/12.png',
price: 170,
},
{
id: '1_4_3_2_2',
text: 'DesktopLED 21',
image: '../../../../images/products/13.png',
price: 180,
},
],
},
],
},
{
id: '1_4_4',
text: 'Projectors',
items: [
{
id: '1_4_4_1',
text: 'Projector Plus',
image: '../../../../images/products/14.png',
price: 550,
},
{
id: '1_4_4_2',
text: 'Projector PlusHD',
image: '../../../../images/products/15.png',
price: 750,
},
],
},
],
},
],
},
];
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/24.1.7/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 class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
#simple-treeview,
#product-details {
display: inline-block;
}
#product-details {
vertical-align: top;
width: 400px;
height: 420px;
margin-left: 20px;
}
#product-details > img {
border: none;
height: 300px;
width: 400px;
}
#product-details > .name {
text-align: center;
font-size: 20px;
}
#product-details > .price {
text-align: center;
font-size: 24px;
}
.dark #product-details > div {
color: #f0f0f0;
}
.hidden {
visibility: hidden;
}