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
<dx-map
provider="bing"
[apiKey]="apiKey"
[zoom]="11"
[height]="440"
width="100%"
[controls]="true"
[markerIconSrc]="mapMarkerUrl"
[markers]="markers"
>
</dx-map>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<dx-check-box
id="use-custom-markers"
[value]="true"
text="Use custom marker icons"
(onValueChanged)="checkCustomMarker($event)"
>
</dx-check-box>
</div>
<div class="option">
<dx-button
id="show-tooltips"
text="Show all tooltips"
(onClick)="showTooltips()"
>
</dx-button>
</div>
</div>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule, BrowserTransferStateModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxMapModule, DxCheckBoxModule, DxButtonModule } from 'devextreme-angular';
import { Marker, APIKey, Service } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
providers: [Service],
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
})
export class AppComponent {
customMarkerUrl: string;
mapMarkerUrl: string;
originalMarkers: Marker[];
markers: Marker[];
apiKey: APIKey = {};
constructor(service: Service) {
this.apiKey.bing = 'Aq3LKP2BOmzWY47TZoT1YdieypN_rB6RY9FqBfx-MDCKjvvWBbT68R51xwbL-AqC';
this.customMarkerUrl = this.mapMarkerUrl = service.getMarkerUrl();
this.originalMarkers = this.markers = service.getMarkers();
}
checkCustomMarker(data) {
this.mapMarkerUrl = data.value ? this.customMarkerUrl : null;
this.markers = this.originalMarkers;
}
showTooltips() {
this.markers = this.markers.map((item) => {
const newItem = JSON.parse(JSON.stringify(item));
newItem.tooltip.isShown = true;
return newItem;
});
}
}
@NgModule({
imports: [
BrowserModule,
BrowserTransferStateModule,
DxMapModule,
DxCheckBoxModule,
DxButtonModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
::ng-deep .caption {
font-size: 18px;
font-weight: 500;
}
::ng-deep .option {
margin-top: 10px;
}
import { Injectable } from '@angular/core';
export class Tooltip {
isShown: boolean;
text: string;
}
export class Marker {
location: any;
tooltip: Tooltip;
}
export type APIKey = {
bing?: string;
google?: string;
googleStatic?: string;
};
const markerUrl = 'https://js.devexpress.com/Demos/WidgetsGallery/JSDemos/images/maps/map-marker.png';
const markers: Marker[] = [{
location: [40.755833, -73.986389],
tooltip: {
isShown: false,
text: 'Times Square',
},
}, {
location: '40.7825, -73.966111',
tooltip: {
isShown: false,
text: 'Central Park',
},
}, {
location: {
lat: 40.753889,
lng: -73.981389,
},
tooltip: {
isShown: false,
text: 'Fifth Avenue',
},
}, {
location: 'Brooklyn Bridge,New York,NY',
tooltip: {
isShown: false,
text: 'Brooklyn Bridge',
},
}];
@Injectable()
export class Service {
getMarkerUrl() : string {
return markerUrl;
}
getMarkers() : Marker[] {
return markers;
}
}
// In real applications, you should not transpile code in the browser.
// You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
},
meta: {
'typescript': {
'exports': 'ts',
},
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'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
map: {
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'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
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'@angular/common': 'npm:@angular/common@12.2.17',
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'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js',
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'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',
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'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.6.2/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.2',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.49',
'devextreme-angular': 'npm:devextreme-angular@23.1.6',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12',
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'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',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js',
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts',
},
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defaultExtension: 'js',
},
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main: 'index',
},
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main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
'rxjs': {
defaultExtension: 'js',
},
'rxjs/operators': {
defaultExtension: 'js',
},
},
packageConfigPaths: [
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'npm:rxjs@7.5.3/package.json',
'npm:rxjs@7.5.3/operators/package.json',
'npm:devextreme-angular@23.1.6/*/package.json',
'npm:devextreme-angular@23.1.6/ui/*/package.json',
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'npm:devexpress-diagram@2.2.2/package.json',
'npm:devexpress-gantt@4.1.49/package.json',
],
};
System.config(window.config);
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<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/23.1.5/css/dx.light.css" />
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<script src="config.js"></script>
<script>
System.import("app").catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>