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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import React 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/RealtorApp/images/map-marker.png';
class App extends React.Component {
constructor(props) {
super(props);
this.originMarkersData = markersData;
this.state = {
markerUrl: markerUrl,
markersData: markersData
};
this.useCustomMarkers = this.useCustomMarkers.bind(this);
this.showTooltips = this.showTooltips.bind(this);
}
useCustomMarkers(e) {
this.setState({
markerUrl: e.value ? markerUrl : null,
markersData: this.originMarkersData
});
}
showTooltips() {
this.setState({
markersData: this.state.markersData.map(function(item) {
let newItem = JSON.parse(JSON.stringify(item));
newItem.tooltip.isShown = true;
return newItem;
})
});
}
render() {
return (
<div>
<Map
defaultCenter={['Brooklyn Bridge', 'New York', 'NY']}
defaultZoom={11}
height={440}
width="100%"
controls={true}
markerIconSrc={this.state.markerUrl}
markers={this.state.markersData}
provider="bing">
</Map>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<CheckBox
defaultValue={true}
text="Use custom marker icons"
onValueChanged={this.useCustomMarkers}
/>
</div>
<div className="option">
<Button
text="Show all tooltips"
onClick={this.showTooltips}
/>
</div>
</div>
</div>
);
}
}
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/20.2.6/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/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>
.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;
}
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'
}
}];
System.config({
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16.14.0/umd/react.development.js',
'react-dom': 'npm:react-dom@16.14.0/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@1.26.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.6',
'devextreme-react': 'npm:devextreme-react@20.2.6',
'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.18/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.24/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.13/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.13/hooks/dist/hooks.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-react': {
main: 'index.js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});