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,
    },
    'openai': {
      'esModule': true,
    },
  },
  paths: {
    'npm:': 'https://cdn.jsdelivr.net/npm/',
    '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@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
    'devextreme-react': 'npm:devextreme-react@link:../../packages/devextreme-react/npm/cjs',
    'devextreme-quill': 'npm:devextreme-quill@1.7.6/dist/dx-quill.min.js',
    'devexpress-diagram': 'npm:devexpress-diagram@2.2.24/dist/dx-diagram.js',
    'devexpress-gantt': 'npm:devexpress-gantt@4.1.64/dist/dx-gantt.js',
    'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js',
    'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
    'inferno-create-element': 'npm:inferno-create-element@8.2.3/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',
    '@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.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-react/common': {
      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',
  ],
  babelOptions: {
    sourceMaps: false,
    stage0: true,
    react: true,
  },
};
System.config(window.config);
// eslint-disable-next-line
const useTgzInCSB = ['openai'];
    
    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/25.1.6/css/dx.light.css" />
    <link rel="stylesheet" type="text/css" href="styles.css" />
    <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/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.