Markers
Documentation
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.
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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@23.2.6/cjs',
'devextreme-react': 'npm:devextreme-react@23.2.6/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@4.1.54/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 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>
<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/23.2.6/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;
}