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Charts

Dynamic Series from the DataSource

Documentation
In this example, data for series is provided in a peculiar manner. Each object in the data source represents a point in a single series. To define series in this case, use the seriesTemplate object where you need to specify the data field providing series names and custom settings for a given series. Settings common to all series must be set within the commonSeriesSettings object. Providing data in this manner is useful when the number of points within a single series changes over time.
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<dx-chart id="chart" [dataSource]="productionData" palette="violet"> <dxo-common-series-settings argumentField="country" type="bar" valueField="oil"> </dxo-common-series-settings> <dxo-series-template nameField="year" [customizeSeries]="customizeSeries"> </dxo-series-template> <dxo-title text="Oil Production"> <dxo-subtitle text="(in millions tonnes)"></dxo-subtitle> </dxo-title> <dxo-legend verticalAlignment="bottom" horizontalAlignment="center"> </dxo-legend> <dxo-export [enabled]="true"></dxo-export> </dx-chart>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxChartModule } from 'devextreme-angular'; import { Service, Production } 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 { productionData: Production[]; constructor(service: Service) { this.productionData = service.getProductionData(); } customizeSeries(valueFromNameField: number) { return valueFromNameField === 2009 ? { type: "line", label: { visible: true }, color: "#ff3f7a" } : {}; } } @NgModule({ imports: [ BrowserModule, DxChartModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ #chart { height: 440px; width: 100%; }
import { Injectable } from '@angular/core'; export class Production { year: number; country: string; oil: number; } let productionData: Production[] = [{ year: 1970, country: "Saudi Arabia", oil: 192.2 }, { year: 1970, country: "USA", oil: 533.5 }, { year: 1970, country: "Iran", oil: 192.6 }, { year: 1970, country: "Mexico", oil: 24.2 }, { year: 1980, country: "Saudi Arabia", oil: 509.8 }, { year: 1980, country: "USA", oil: 480.2 }, { year: 1980, country: "Iran", oil: 74.3 }, { year: 1980, country: "Mexico", oil: 107.2 }, { year: 1990, country: "Saudi Arabia", oil: 342.6 }, { year: 1990, country: "USA", oil: 416.6 }, { year: 1990, country: "Iran", oil: 162.8 }, { year: 1990, country: "Mexico", oil: 146.3 }, { year: 1990, country: "Russia", oil: 515.9 }, { year: 2000, country: "Saudi Arabia", oil: 456.3 }, { year: 2000, country: "USA", oil: 352.6 }, { year: 2000, country: "Iran", oil: 191.3 }, { year: 2000, country: "Mexico", oil: 171.2 }, { year: 2000, country: "Russia", oil: 323.3 }, { year: 2008, country: "Saudi Arabia", oil: 515.3 }, { year: 2008, country: "USA", oil: 304.9 }, { year: 2008, country: "Iran", oil: 209.9 }, { year: 2008, country: "Mexico", oil: 157.7 }, { year: 2008, country: "Russia", oil: 488.5 }, { year: 2009, country: "Saudi Arabia", oil: 459.5 }, { year: 2009, country: "USA", oil: 325.3 }, { year: 2009, country: "Iran", oil: 202.4 }, { year: 2009, country: "Mexico", oil: 147.5 }, { year: 2009, country: "Russia", oil: 494.2 } ]; @Injectable() export class Service { getProductionData(): Production[] { return productionData; } }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular 2 and DevExtreme here: // https://github.com/DevExpress/devextreme-angular/blob/master/README.md System.config({ transpiler: 'ts', typescriptOptions: { module: "commonjs", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@7.0.6/lib/plugin.js', 'typescript': 'npm:typescript@2.2.2/lib/typescript.js', '@angular/core': 'npm:@angular/core@4.1.0/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@4.1.0/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@4.1.0/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@4.1.0/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@4.1.0/bundles/platform-browser-dynamic.umd.js', '@angular/http': 'npm:@angular/http@4.1.0/bundles/http.umd.js', '@angular/router': 'npm:@angular/router@4.1.0/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@4.1.0/bundles/forms.umd.js', 'rxjs': 'npm:rxjs@5.3.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'devextreme': 'npm:devextreme@17.1', 'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js', 'devextreme-angular': 'npm:devextreme-angular@17.1' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme-angular': { main: 'index.js', defaultExtension: 'js' } } });
<!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/17.1.5/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.5/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.5/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@0.6.25/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.19.31/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>