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Backend API
<dx-vector-map
id="vector-map"
[bounds]="[-180, 85, 180, -60]"
(onClick)="click($event)"
>
<dxo-tooltip [enabled]="true" [customizeTooltip]="customizeTooltip">
<dxo-font color="#fff"></dxo-font>
<dxo-border [visible]="false"></dxo-border>
</dxo-tooltip>
<dxi-layer [dataSource]="worldMap" [customize]="customizeLayers"> </dxi-layer>
</dx-vector-map>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxVectorMapModule } from 'devextreme-angular';
import * as mapsData from 'devextreme-dist/js/vectormap-data/world.js';
import { DxVectorMapTypes } from 'devextreme-angular/ui/vector-map';
import { Countries, Service } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
providers: [Service],
templateUrl: `app/app.component.html`,
styleUrls: [`app/app.component.css`],
})
export class AppComponent {
worldMap = mapsData.world;
countries: Countries;
constructor(service: Service) {
this.countries = service.getCountries();
this.click = this.click.bind(this);
}
customizeTooltip = ({ attribute }) => {
const name = attribute('name');
const country = this.countries[name];
if (country) {
return {
text: `${name}: ${country.totalArea}M km²`,
color: country.color,
};
}
};
customizeLayers = (elements: { attribute: Function, applySettings: Function }[]) => {
elements.forEach((element) => {
const country = this.countries[element.attribute('name')];
if (country) {
element.applySettings({
color: country.color,
hoveredColor: '#e0e000',
selectedColor: '#008f00',
});
}
});
};
click({ target }: DxVectorMapTypes.ClickEvent) {
if (target && this.countries[target.attribute('name')]) {
target.selected(!target.selected());
}
}
}
@NgModule({
imports: [
BrowserModule,
DxVectorMapModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #vector-map {
height: 440px;
}
import { Injectable } from '@angular/core';
export class Country {
totalArea: number;
color: string;
}
export class Countries {
Russia: Country;
Canada: Country;
China: Country;
'United States': Country;
Brazil: Country;
Australia: Country;
India: Country;
Argentina: Country;
Kazakhstan: Country;
Algeria: Country;
}
const countries: Countries = {
Russia: { totalArea: 17.12, color: '#1E90FF' },
Canada: { totalArea: 9.98, color: '#B8860B' },
China: { totalArea: 9.59, color: '#BDB76B' },
'United States': { totalArea: 9.52, color: '#FFA07A' },
Brazil: { totalArea: 8.51, color: '#3CB371' },
Australia: { totalArea: 7.69, color: '#D8BFD8' },
India: { totalArea: 3.29, color: '#DB7093' },
Argentina: { totalArea: 2.78, color: '#FFD700' },
Kazakhstan: { totalArea: 2.72, color: '#CD5C5C' },
Algeria: { totalArea: 2.38, color: '#B0C4DE' },
};
@Injectable()
export class Service {
getCountries(): Countries {
return countries;
}
}
// 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/
const componentNames = [
'accordion',
'action-sheet',
'autocomplete',
'bar-gauge',
'box',
'bullet',
'button-group',
'button',
'calendar',
'chart',
'chat',
'check-box',
'circular-gauge',
'color-box',
'context-menu',
'data-grid',
'date-box',
'date-range-box',
'defer-rendering',
'diagram',
'draggable',
'drawer',
'drop-down-box',
'drop-down-button',
'file-manager',
'file-uploader',
'filter-builder',
'form',
'funnel',
'gallery',
'gantt',
'html-editor',
'linear-gauge',
'list',
'load-indicator',
'load-panel',
'lookup',
'map',
'menu',
'multi-view',
'nested',
'number-box',
'pagination',
'pie-chart',
'pivot-grid-field-chooser',
'pivot-grid',
'polar-chart',
'popover',
'popup',
'progress-bar',
'radio-group',
'range-selector',
'range-slider',
'recurrence-editor',
'resizable',
'responsive-box',
'sankey',
'scheduler',
'scroll-view',
'select-box',
'slider',
'sortable',
'sparkline',
'speed-dial-action',
'splitter',
'switch',
'tab-panel',
'tabs',
'tag-box',
'text-area',
'text-box',
'tile-view',
'toast',
'toolbar',
'tooltip',
'tree-list',
'tree-map',
'tree-view',
'validation-group',
'validation-summary',
'validator',
'vector-map',
];
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
},
meta: {
'typescript': {
'exports': 'ts',
},
'devextreme-dist/js/vectormap-data/*': {
'esModule': true,
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
'@angular/platform-browser-dynamic': {
'esModule': true,
},
'@angular/platform-browser': {
'esModule': true,
},
'@angular/core': {
'esModule': true,
},
'@angular/common': {
'esModule': true,
},
'@angular/common/http': {
'esModule': true,
},
'@angular/animations': {
'esModule': true,
},
'@angular/forms': {
'esModule': true,
},
'openai': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
'bundles:': '../../../../bundles/',
'externals:': '../../../../bundles/externals/',
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
/* @angular */
'@angular/compiler': 'bundles:@angular/compiler.umd.js',
'@angular/platform-browser-dynamic': 'bundles:@angular/platform-browser-dynamic.umd.js',
'@angular/core': 'bundles:@angular/core.umd.js',
'@angular/core/primitives/signals': 'bundles:@angular/core.primitives.signals.umd.js',
'@angular/common': 'bundles:@angular/common.umd.js',
'@angular/common/http': 'bundles:@angular/common-http.umd.js',
'@angular/platform-browser': 'bundles:@angular/platform-browser.umd.js',
'@angular/platform-browser/animations': 'bundles:@angular/platform-browser.umd.js',
'@angular/forms': 'bundles:@angular/forms.umd.js',
/* devextreme */
'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12',
'devextreme/bundles/dx.all': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/bundles/dx.all.js',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.5',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.54',
/* devextreme-angular umd maps */
'devextreme-angular': 'bundles:devextreme-angular/devextreme-angular.umd.js',
'devextreme-angular/core': 'bundles:devextreme-angular/devextreme-angular-core.umd.js',
'devextreme-angular/http': 'bundles:devextreme-angular/devextreme-angular-http.umd.js',
...componentNames.reduce((acc, name) => {
acc[`devextreme-angular/ui/${name}`] = `bundles:devextreme-angular/devextreme-angular-ui-${name}.umd.js`;
acc[`devextreme-angular/ui/${name}/nested`] = `bundles:devextreme-angular/devextreme-angular-ui-${name}-nested.umd.js`;
return acc;
}, {}),
'tslib': 'npm:tslib/tslib.js',
'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js',
'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.js',
'devextreme-dist/js/vectormap-data': 'npm:devextreme-dist@link:../../packages/devextreme/artifacts/npm/devextreme-dist/js/vectormap-data',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign',
'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/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@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.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',
},
'rxjs': {
defaultExtension: 'js',
},
'rxjs/operators': {
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.12/inferno/package.json',
'npm:rxjs@7.5.3/package.json',
'npm:rxjs@7.5.3/operators/package.json',
'npm:devexpress-diagram@2.2.5/package.json',
'npm:devexpress-gantt@4.1.54/package.json',
],
};
System.config(window.config);
// System.import('@angular/compiler').catch(console.error.bind(console));
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" 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/24.2.3/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.14.10/bundles/zone.umd.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.13/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</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>
Tooltips for the map areas representing the largest countries are customized as well. Using the tooltip | customizeTooltip callback function, they are colored identical to the areas themselves and display the total area of the country.