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Markers
Documentation
The Map widget 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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<dx-map
provider="bing"
[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 } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxMapModule, DxCheckBoxModule, DxButtonModule } from 'devextreme-angular';
import { Marker, 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[];
constructor(service: Service) {
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(function (item) {
let newItem = JSON.parse(JSON.stringify(item));
newItem.tooltip.isShown = true;
return newItem;
});
}
}
@NgModule({
imports: [
BrowserModule,
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;
}
let markerUrl = "https://js.devexpress.com/Demos/RealtorApp/images/map-marker.png";
let 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/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
'devextreme/localization.js': {
"esModule": true
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.0.3/tslib.js',
'rxjs': 'npm:rxjs@6.3.3',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.4',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.5',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.8',
'devextreme-angular': 'npm:devextreme-angular@20.2.4',
'preact': 'npm:preact@10.5.7/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
packageConfigPaths: [
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular/*/package.json",
"npm:devextreme-angular/ui/*/package.json",
"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/package.json",
]
});
<!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/20.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<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>