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';
import type { Employee } from './types.ts';
interface EmployeeInfoProps {
data: Employee;
}
function EmployeeInfo({ data }: EmployeeInfoProps) {
const {
text,
picture,
position,
notes,
} = 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<Employee | undefined>(employees[0]);
const onSelectionChanged = useCallback((args: { selectedItem?: typeof employees[0]; addedItems?: typeof employees }): void => {
setSelectedItem(args.selectedItem || args.addedItems?.[0]);
}, []);
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';
function EmployeeInfo({ data }) {
const {
text, picture, position, notes,
} = 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]);
}, []);
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'),
);
import type { Employee } from './types.ts';
export const employees: Employee[] = [
{
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' };
export type Employee = {
id: number;
icon: string;
text: string;
position: string;
picture: string;
notes: string;
};
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/26.1.5/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="./bundle.css" />
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
<script src="bundles/vendor/react.vendor.js"></script>
<script src="./bundle.js"></script>
</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;
color: var(--dx-color-icon);
}
.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.