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Markers

The Map component can display markers on the map. The collection of displayed markers is declared in the markers array. Markers can include tooltips that provide additional information.

Backend API
import React, { useCallback, useState } from 'react'; import Map from 'devextreme-react/map'; import Button from 'devextreme-react/button'; import CheckBox from 'devextreme-react/check-box'; import { markersData } from './data.ts'; const markerUrl = 'https://js.devexpress.com/Demos/WidgetsGallery/JSDemos/images/maps/map-marker.png'; const apiKey = { bing: 'Aq3LKP2BOmzWY47TZoT1YdieypN_rB6RY9FqBfx-MDCKjvvWBbT68R51xwbL-AqC', }; const App = () => { const [currentMarkersData, setCurrentMarkersData] = useState(markersData); const [currentMarkerUrl, setCurrentMarkerUrl] = useState(markerUrl); const onCustomMarkersChange = useCallback((value) => { setCurrentMarkerUrl(value ? currentMarkerUrl : null); setCurrentMarkersData(markersData); }, [currentMarkerUrl, setCurrentMarkerUrl, setCurrentMarkersData]); const showTooltips = useCallback(() => { setCurrentMarkersData(currentMarkersData.map((item) => { const newItem = JSON.parse(JSON.stringify(item)); newItem.tooltip.isShown = true; return newItem; })); }, [currentMarkersData, setCurrentMarkersData]); return ( <React.Fragment> <Map defaultZoom={11} height={440} width="100%" controls={true} markerIconSrc={currentMarkerUrl} markers={currentMarkersData} provider="bing" apiKey={apiKey} ></Map> <div className="options"> <div className="caption">Options</div> <div className="option"> <CheckBox defaultValue={true} text="Use custom marker icons" onValueChange={onCustomMarkersChange} /> </div> <div className="option"> <Button text="Show all tooltips" onClick={showTooltips} /> </div> </div> </React.Fragment> ); }; export default App;
import React, { useCallback, useState } from 'react'; import Map from 'devextreme-react/map'; import Button from 'devextreme-react/button'; import CheckBox from 'devextreme-react/check-box'; import { markersData } from './data.js'; const markerUrl = 'https://js.devexpress.com/Demos/WidgetsGallery/JSDemos/images/maps/map-marker.png'; const apiKey = { bing: 'Aq3LKP2BOmzWY47TZoT1YdieypN_rB6RY9FqBfx-MDCKjvvWBbT68R51xwbL-AqC', }; const App = () => { const [currentMarkersData, setCurrentMarkersData] = useState(markersData); const [currentMarkerUrl, setCurrentMarkerUrl] = useState(markerUrl); const onCustomMarkersChange = useCallback( (value) => { setCurrentMarkerUrl(value ? currentMarkerUrl : null); setCurrentMarkersData(markersData); }, [currentMarkerUrl, setCurrentMarkerUrl, setCurrentMarkersData], ); const showTooltips = useCallback(() => { setCurrentMarkersData( currentMarkersData.map((item) => { const newItem = JSON.parse(JSON.stringify(item)); newItem.tooltip.isShown = true; return newItem; }), ); }, [currentMarkersData, setCurrentMarkersData]); return ( <React.Fragment> <Map defaultZoom={11} height={440} width="100%" controls={true} markerIconSrc={currentMarkerUrl} markers={currentMarkersData} provider="bing" apiKey={apiKey} ></Map> <div className="options"> <div className="caption">Options</div> <div className="option"> <CheckBox defaultValue={true} text="Use custom marker icons" onValueChange={onCustomMarkersChange} /> </div> <div className="option"> <Button text="Show all tooltips" onClick={showTooltips} /> </div> </div> </React.Fragment> ); }; 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 markersData = [{ location: [40.755833, -73.986389], tooltip: { text: 'Times Square', }, }, { location: '40.7825, -73.966111', tooltip: { text: 'Central Park', }, }, { location: { lat: 40.753889, lng: -73.981389 }, tooltip: { text: 'Fifth Avenue', }, }, { location: 'Brooklyn Bridge,New York,NY', tooltip: { text: 'Brooklyn Bridge', }, }];
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@24.1.3/cjs', 'devextreme-react': 'npm:devextreme-react@24.1.3/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@2.2.8/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 markersData = [ { location: [40.755833, -73.986389], tooltip: { text: 'Times Square', }, }, { location: '40.7825, -73.966111', tooltip: { text: 'Central Park', }, }, { location: { lat: 40.753889, lng: -73.981389 }, tooltip: { text: 'Fifth Avenue', }, }, { location: 'Brooklyn Bridge,New York,NY', tooltip: { text: 'Brooklyn Bridge', }, }, ];
<!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/24.1.3/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>
.options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 10px; }