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 Tabs from 'devextreme-react/tabs';
import SelectBox from 'devextreme-react/select-box';
import MultiView from 'devextreme-react/multi-view';
import { employees, selectBoxLabel } from './data.ts';
class EmployeeInfo extends React.Component<{
data: {
text: string,
picture: string,
position: string,
notes: string
}
}> {
render() {
const {
text, picture, position, notes,
} = this.props.data;
return (
<div className="employee-info">
<img alt={text} className="employee-photo" src={picture} />
<p className="employee-notes">
<b>Position: {position}</b><br />
{notes}
</p>
</div>
);
}
}
const App = () => {
const [selectedItem, setSelectedItem] = useState(employees[0]);
const onSelectionChanged = useCallback((args) => {
setSelectedItem(args.selectedItem || args.addedItems[0]);
}, [setSelectedItem]);
return (
<div id="center-content">
<div id="demo-items-container">
<div className="content dx-fieldset">
<div className="dx-field">
<Tabs
dataSource={employees}
onSelectionChanged={onSelectionChanged}
selectedItem={selectedItem}
/>
</div>
<div className="dx-field select-box-container">
<div className="dx-field-label">Selected user:</div>
<div className="dx-field-value">
<SelectBox
dataSource={employees}
inputAttr={selectBoxLabel}
value={selectedItem}
onSelectionChanged={onSelectionChanged}
displayExpr="text"
/>
</div>
</div>
<div className="dx-field multiview-container">
<MultiView
height={112}
dataSource={employees}
selectedItem={selectedItem}
onSelectionChanged={onSelectionChanged}
loop={false}
itemComponent={EmployeeInfo}
animationEnabled={true}
/>
</div>
<div className="icon-container">
<span className="dx-icon dx-icon-info"></span>
<span className="demo-info">You can use swipe gestures in this area.</span>
</div>
</div>
</div>
</div>
);
};
export default App;
import React, { useCallback, useState } from 'react';
import Tabs from 'devextreme-react/tabs';
import SelectBox from 'devextreme-react/select-box';
import MultiView from 'devextreme-react/multi-view';
import { employees, selectBoxLabel } from './data.js';
class EmployeeInfo extends React.Component {
render() {
const {
text, picture, position, notes,
} = this.props.data;
return (
<div className="employee-info">
<img
alt={text}
className="employee-photo"
src={picture}
/>
<p className="employee-notes">
<b>Position: {position}</b>
<br />
{notes}
</p>
</div>
);
}
}
const App = () => {
const [selectedItem, setSelectedItem] = useState(employees[0]);
const onSelectionChanged = useCallback(
(args) => {
setSelectedItem(args.selectedItem || args.addedItems[0]);
},
[setSelectedItem],
);
return (
<div id="center-content">
<div id="demo-items-container">
<div className="content dx-fieldset">
<div className="dx-field">
<Tabs
dataSource={employees}
onSelectionChanged={onSelectionChanged}
selectedItem={selectedItem}
/>
</div>
<div className="dx-field select-box-container">
<div className="dx-field-label">Selected user:</div>
<div className="dx-field-value">
<SelectBox
dataSource={employees}
inputAttr={selectBoxLabel}
value={selectedItem}
onSelectionChanged={onSelectionChanged}
displayExpr="text"
/>
</div>
</div>
<div className="dx-field multiview-container">
<MultiView
height={112}
dataSource={employees}
selectedItem={selectedItem}
onSelectionChanged={onSelectionChanged}
loop={false}
itemComponent={EmployeeInfo}
animationEnabled={true}
/>
</div>
<div className="icon-container">
<span className="dx-icon dx-icon-info"></span>
<span className="demo-info">You can use swipe gestures in this area.</span>
</div>
</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'),
);
export const employees = [
{
id: 0,
icon: 'user',
text: 'John Heart',
position: 'CEO',
picture: '../../../../images/employees/01.png',
notes: 'John has been in the Audio/Video industry since 1990. He has led DevAv as its CEO since 2003. When not working hard as the CEO, John loves to golf and bowl. He once bowled a perfect game of 300.',
},
{
id: 1,
icon: 'user',
text: 'Olivia Peyton',
position: 'Sales Assistant',
picture: '../../../../images/employees/09.png',
notes: 'Olivia loves to sell. She has been selling DevAV products since 2012. Olivia was homecoming queen in high school. She is expecting her first child in 6 months. Good Luck Olivia.',
},
{
id: 2,
icon: 'user',
text: 'Robert Reagan',
position: 'CMO',
picture: '../../../../images/employees/03.png',
notes: 'Robert was recently voted the CMO of the year by CMO Magazine. He is a proud member of the DevAV Management Team. Robert is a championship BBQ chef, so when you get the chance ask him for his secret recipe.',
},
];
export const selectBoxLabel = { 'aria-label': 'Select Employee' };
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'));
export const employees = [
{
id: 0,
icon: 'user',
text: 'John Heart',
position: 'CEO',
picture: '../../../../images/employees/01.png',
notes:
'John has been in the Audio/Video industry since 1990. He has led DevAv as its CEO since 2003. When not working hard as the CEO, John loves to golf and bowl. He once bowled a perfect game of 300.',
},
{
id: 1,
icon: 'user',
text: 'Olivia Peyton',
position: 'Sales Assistant',
picture: '../../../../images/employees/09.png',
notes:
'Olivia loves to sell. She has been selling DevAV products since 2012. Olivia was homecoming queen in high school. She is expecting her first child in 6 months. Good Luck Olivia.',
},
{
id: 2,
icon: 'user',
text: 'Robert Reagan',
position: 'CMO',
picture: '../../../../images/employees/03.png',
notes:
'Robert was recently voted the CMO of the year by CMO Magazine. He is a proud member of the DevAV Management Team. Robert is a championship BBQ chef, so when you get the chance ask him for his secret recipe.',
},
];
export const selectBoxLabel = { 'aria-label': 'Select Employee' };
<!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>
#center-content {
display: flex;
align-items: center;
justify-content: center;
}
.select-box-container,
.multiview-container {
padding: 16px;
}
#demo-items-container {
width: 680px;
}
.employee-info {
display: flex;
align-items: center;
}
.employee-photo {
height: 80px;
width: 80px;
border-radius: 50%;
border-width: 1px;
border-style: solid;
flex-shrink: 0;
object-fit: contain;
margin-right: 24px;
border-color: var(--dx-color-border);
}
.employee-notes b {
display: inline-block;
margin-bottom: 8px;
}
.dx-field-label {
font-size: 16px;
}
#multiview {
cursor: move;
}
.demo-info {
padding-left: 8px;
opacity: 0.6;
}
.icon-container {
padding-left: 16px;
display: flex;
align-items: center;
}
.dx-icon {
font-size: 18px;
}
You can use the following properties to configure selection:
-
selectedIndex
The index of the selected item. -
selectedItem
The selected item. -
selectedItems
An array of selected items. -
selectedItemKeys
An array of selected item keys. -
selectionMode
Specifies whether the component allows users to select only a single item or multiple items. -
onSelectionChanged
A function that is executed when a collection item is selected or selection is canceled.