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Menu

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The Menu component is a panel with clickable items. A click on an item opens a drop-down menu, which can contain several submenus.

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import React from 'react'; import Menu from 'devextreme-react/menu'; import SelectBox from 'devextreme-react/select-box'; import CheckBox from 'devextreme-react/check-box'; import service from './data.js'; const orientations = ['horizontal', 'vertical']; class App extends React.Component { constructor(props) { super(props); this.products = service.getProducts(); this.showSubmenuModes = [{ name: 'onHover', delay: { show: 0, hide: 500 } }, { name: 'onClick', delay: { show: 0, hide: 300 } }]; this.state = { showFirstSubmenuModes: this.showSubmenuModes[1], orientation: 'horizontal', hideSubmenuOnMouseLeave: false, currentProduct: null }; this.itemClick = this.itemClick.bind(this); this.showSubmenuModeChanged = this.showSubmenuModeChanged.bind(this); this.orientationChanged = this.orientationChanged.bind(this); this.hideSubmenuOnMouseLeaveChanged = this.hideSubmenuOnMouseLeaveChanged.bind(this); } render() { const { showFirstSubmenuModes, orientation, hideSubmenuOnMouseLeave, currentProduct } = this.state; return ( <div className="form"> <div> <div className="label">Catalog:</div> <Menu dataSource={this.products} displayExpr="name" showFirstSubmenuMode={showFirstSubmenuModes} orientation={orientation} hideSubmenuOnMouseLeave={hideSubmenuOnMouseLeave} onItemClick={this.itemClick} /> {currentProduct && <div id="product-details"> <img src={currentProduct.icon} /> <div className="name">{currentProduct.name}</div> <div className="price">{`$${ currentProduct.price}`}</div> </div> } </div> <div className="options"> <div className="caption">Options</div> <div className="option"> <div>Show First Submenu Mode</div> <SelectBox items={this.showSubmenuModes} displayExpr="name" value={showFirstSubmenuModes} onValueChanged={this.showSubmenuModeChanged} /> </div> <div className="option"> <div>Orientation</div> <SelectBox items={orientations} value={orientation} onValueChanged={this.orientationChanged} /> </div> <div className="option"> <CheckBox text="Hide Submenu on Mouse Leave" value={hideSubmenuOnMouseLeave} onValueChanged={this.hideSubmenuOnMouseLeaveChanged} /> </div> </div> </div> ); } itemClick(e) { if(e.itemData.price) { this.setState({ currentProduct: e.itemData }); } } showSubmenuModeChanged(e) { this.setState({ showFirstSubmenuModes: e.value }); } orientationChanged(e) { this.setState({ orientation: e.value }); } hideSubmenuOnMouseLeaveChanged(e) { this.setState({ hideSubmenuOnMouseLeave: e.value }); } } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render( <App />, document.getElementById('app') );
<!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/21.1.6/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.1.6/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.4.1/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.js'); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
.form { margin-left: 3px; } .form > div:first-child { margin-right: 320px; } .label { font-size: 22px; } #product-details { width: 400px; height: 400px; margin: 20px auto 0; } #product-details > img { 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; } .options { padding: 20px; position: absolute; bottom: 0; right: 0; width: 260px; top: 0; background-color: rgba(191, 191, 191, 0.15); } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 10px; } .hidden { visibility: hidden; }
const products = [{ id: '1', name: 'Video Players', items: [{ id: '1_1', name: 'HD Video Player', price: 220, icon: '../../../../images/products/1.png' }, { id: '1_2', name: 'SuperHD Video Player', icon: '../../../../images/products/2.png', price: 270 }] }, { id: '2', name: 'Televisions', items: [{ id: '2_1', name: 'SuperLCD 42', icon: '../../../../images/products/7.png', price: 1200 }, { id: '2_2', name: 'SuperLED 42', icon: '../../../../images/products/5.png', price: 1450 }, { id: '2_3', name: 'SuperLED 50', icon: '../../../../images/products/4.png', price: 1600 }, { id: '2_4', name: 'SuperLCD 55 (Not available)', icon: '../../../../images/products/6.png', price: 1350, disabled: true }, { id: '2_5', name: 'SuperLCD 70', icon: '../../../../images/products/9.png', price: 4000 }] }, { id: '3', name: 'Monitors', items: [{ id: '3_1', name: '19"', items: [{ id: '3_1_1', name: 'DesktopLCD 19', icon: '../../../../images/products/10.png', price: 160 }] }, { id: '3_2', name: '21"', items: [{ id: '3_2_1', name: 'DesktopLCD 21', icon: '../../../../images/products/12.png', price: 170 }, { id: '3_2_2', name: 'DesktopLED 21', icon: '../../../../images/products/13.png', price: 175 }] }] }, { id: '4', name: 'Projectors', items: [{ id: '4_1', name: 'Projector Plus', icon: '../../../../images/products/14.png', price: 550 }, { id: '4_2', name: 'Projector PlusHD', icon: '../../../../images/products/15.png', price: 750 }] }]; export default { getProducts() { return products; } };
window.config = { transpiler: 'plugin-babel', meta: { 'devextreme/localization.js': { "esModule": true }, }, paths: { 'npm:': 'https://unpkg.com/' }, defaultExtension: 'js', map: { '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@15.7.2/prop-types.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@21.1.6/cjs', 'devextreme-react': 'npm:devextreme-react@21.1.6', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.4.2/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.32/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@3.0.14/dist/dx-gantt.js', '@devextreme/vdom': 'npm:@devextreme/vdom@1.2.2', 'inferno': 'npm:inferno@7.4.10/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.10/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.10/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom@1.0.7/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.10/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.10/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.10/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.10/dist/inferno-extras.min.js', // 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' }, packages: { 'devextreme': { defaultExtension: 'js' }, '@devextreme/vdom': { defaultExtension: 'js' }, 'devextreme-react': { main: 'index.js' }, 'devextreme/events/utils': { main: 'index' }, '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);