Angular Charts - Multiple Series Selection

This demo illustrates the use of multi-series selection within the Chart component.

Backend API

<dx-chart id="chart" [dataSource]="statisticsData" seriesSelectionMode="multiple" title="Internet Explorer Statistics" (onSeriesClick)="seriesClick($event)" > <dxi-chart-series valueField="IE7" name="Internet Explorer 7" ></dxi-chart-series> <dxi-chart-series valueField="IE8" name="Internet Explorer 8" ></dxi-chart-series> <dxi-chart-series valueField="IE9" name="Internet Explorer 9" ></dxi-chart-series> <dxi-chart-series valueField="IE10" name="Internet Explorer 10" ></dxi-chart-series> <dxo-chart-common-series-settings argumentField="year" type="stackedarea"> </dxo-chart-common-series-settings> <dxo-chart-common-axis-settings [valueMarginsEnabled]="false"> </dxo-chart-common-axis-settings> <dxo-chart-argument-axis type="discrete"></dxo-chart-argument-axis> <dxi-chart-value-axis> <dxo-chart-label> <dxo-chart-format type="percent"> </dxo-chart-format> </dxo-chart-label> </dxi-chart-value-axis> <dxo-chart-legend verticalAlignment="bottom" horizontalAlignment="center"> </dxo-chart-legend> <dxo-chart-export [enabled]="true"></dxo-chart-export> </dx-chart>

import { bootstrapApplication } from '@angular/platform-browser'; import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core'; import { DxChartModule, DxChartTypes } from 'devextreme-angular/ui/chart'; import { Service, Statistics } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', providers: [Service], templateUrl: './app.component.html', styleUrls: ['./app.component.css'], imports: [ DxChartModule, ], }) export class AppComponent { statisticsData: Statistics[]; constructor(service: Service) { this.statisticsData = service.getStatisticsData(); } seriesClick({ target: series }: DxChartTypes.SeriesClickEvent) { if (series.isSelected()) { series.clearSelection(); } else { series.select(); } } } bootstrapApplication(AppComponent, { providers: [ provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }), ], });

::ng-deep #chart { height: 440px; }

import { Injectable } from '@angular/core'; export class Statistics { year: number; IE7: number; IE8?: number; IE9?: number; IE10?: number; } const statisticsData: Statistics[] = [{ year: 2006, IE7: 0.011, }, { year: 2007, IE7: 0.192, }, { year: 2008, IE7: 0.265, }, { year: 2009, IE7: 0.213, IE8: 0.052, }, { year: 2010, IE7: 0.091, IE8: 0.160, }, { year: 2011, IE7: 0.053, IE8: 0.141, IE9: 0.031, }, { year: 2012, IE7: 0.021, IE8: 0.088, IE9: 0.065, IE10: 0.001, }, { year: 2013, IE7: 0.008, IE8: 0.052, IE9: 0.039, IE10: 0.026, }]; @Injectable() export class Service { getStatisticsData(): Statistics[] { return statisticsData; } }

<!DOCTYPE html> <html 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/26.1.5/css/dx.light.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> <script src="https://cdn.jsdelivr.net/npm/zone.js@0.16.2/bundles/zone.umd.js"></script> <script src="./bundle.js" type="module"></script> </body> </html>