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Overview

Documentation

The Gallery is a UI component that displays a collection of images in a carousel. The component is supplied with various navigation controls that allow a user to switch between images.

Backend API
import React, { useCallback, useState } from 'react'; import Gallery from 'devextreme-react/gallery'; import CheckBox, { CheckBoxTypes } from 'devextreme-react/check-box'; import { gallery } from './data.ts'; const App = () => { const [loop, setLoop] = useState(true); const [slideShow, setSlideShow] = useState(true); const [showNavButtons, setShowNavButtons] = useState(true); const [showIndicator, setShowIndicator] = useState(true); const onLoopChanged = useCallback((data: CheckBoxTypes.ValueChangedEvent) => { setLoop(data.value); }, [setLoop]); const onSlideShowChanged = useCallback((data: CheckBoxTypes.ValueChangedEvent) => { setSlideShow(data.value); }, [setSlideShow]); const onShowNavButtonsChanged = useCallback((data: CheckBoxTypes.ValueChangedEvent) => { setShowNavButtons(data.value); }, [setShowNavButtons]); const onShowIndicatorChanged = useCallback((data: CheckBoxTypes.ValueChangedEvent) => { setShowIndicator(data.value); }, [setShowIndicator]); return ( <div> <div className="widget-container"> <Gallery id="gallery" dataSource={gallery} height={300} slideshowDelay={slideShow ? 2000 : 0} loop={loop} showNavButtons={showNavButtons} showIndicator={showIndicator} /> </div> <div className="options"> <div className="caption">Options</div> <div className="option"> <CheckBox text="Loop mode" value={loop} onValueChanged={onLoopChanged} /> </div> <div className="option"> <CheckBox text="Slide show" value={slideShow} onValueChanged={onSlideShowChanged} /> </div> <div className="option"> <CheckBox text="Navigation buttons" value={showNavButtons} onValueChanged={onShowNavButtonsChanged} /> </div> <div className="option"> <CheckBox text="Indicator" value={showIndicator} onValueChanged={onShowIndicatorChanged} /> </div> </div> </div> ); }; export default App;
import React, { useCallback, useState } from 'react'; import Gallery from 'devextreme-react/gallery'; import CheckBox from 'devextreme-react/check-box'; import { gallery } from './data.js'; const App = () => { const [loop, setLoop] = useState(true); const [slideShow, setSlideShow] = useState(true); const [showNavButtons, setShowNavButtons] = useState(true); const [showIndicator, setShowIndicator] = useState(true); const onLoopChanged = useCallback( (data) => { setLoop(data.value); }, [setLoop], ); const onSlideShowChanged = useCallback( (data) => { setSlideShow(data.value); }, [setSlideShow], ); const onShowNavButtonsChanged = useCallback( (data) => { setShowNavButtons(data.value); }, [setShowNavButtons], ); const onShowIndicatorChanged = useCallback( (data) => { setShowIndicator(data.value); }, [setShowIndicator], ); return ( <div> <div className="widget-container"> <Gallery id="gallery" dataSource={gallery} height={300} slideshowDelay={slideShow ? 2000 : 0} loop={loop} showNavButtons={showNavButtons} showIndicator={showIndicator} /> </div> <div className="options"> <div className="caption">Options</div> <div className="option"> <CheckBox text="Loop mode" value={loop} onValueChanged={onLoopChanged} /> </div> <div className="option"> <CheckBox text="Slide show" value={slideShow} onValueChanged={onSlideShowChanged} /> </div> <div className="option"> <CheckBox text="Navigation buttons" value={showNavButtons} onValueChanged={onShowNavButtonsChanged} /> </div> <div className="option"> <CheckBox text="Indicator" value={showIndicator} onValueChanged={onShowIndicatorChanged} /> </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 gallery = [ '../../../../images/gallery/1.jpg', '../../../../images/gallery/2.jpg', '../../../../images/gallery/3.jpg', '../../../../images/gallery/4.jpg', '../../../../images/gallery/5.jpg', '../../../../images/gallery/6.jpg', '../../../../images/gallery/7.jpg', '../../../../images/gallery/8.jpg', '../../../../images/gallery/9.jpg', ];
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@23.2.5/cjs', 'devextreme-react': 'npm:devextreme-react@23.2.5/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.6.4/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.5/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.51/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12', '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@2.8.4/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js', }, packages: { 'devextreme': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: '', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.12/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 gallery = [ '../../../../images/gallery/1.jpg', '../../../../images/gallery/2.jpg', '../../../../images/gallery/3.jpg', '../../../../images/gallery/4.jpg', '../../../../images/gallery/5.jpg', '../../../../images/gallery/6.jpg', '../../../../images/gallery/7.jpg', '../../../../images/gallery/8.jpg', '../../../../images/gallery/9.jpg', ];
<!DOCTYPE html> <html> <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=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.2.5/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>
.widget-container { margin-right: 240px; } #gallery { margin: auto; max-width: 450px; } .options { padding: 20px; position: absolute; bottom: 0; right: 0; width: 180px; top: 0; background-color: rgba(191, 191, 191, 0.15); } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 10px; }