Axis Groups (Angular)

FlexChart's axis supports groups defined in CollectionView which specified as chart's data source. To display group you need to create groups in collection view and set axis.groupsOptions property. E.g. chart.axisX.groupsOptions = { display : AxisGroupsDisplay.Show }

Learn about FlexChart | FlexChart API Reference

This example uses Angular.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import '@angular/compiler'; import { Component, Inject, enableProdMode, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { CollectionView, PropertyGroupDescription, SortDescription } from '@mescius/wijmo'; import { AxisGroupsDisplay } from '@mescius/wijmo.chart'; import { WjInputModule } from '@mescius/wijmo.angular2.input'; import { WjChartModule } from '@mescius/wijmo.angular2.chart'; import { DataService } from './app.data'; // @Component({ standalone: true, providers: [DataService], imports: [WjChartModule, WjInputModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { data: any[]; view: CollectionView; options = { display: AxisGroupsDisplay.Show }; isBar = false; position = 'Bottom'; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(); this.view = new CollectionView(this.data, { sortDescriptions: [new SortDescription('sales', false)], groupDescriptions: [new PropertyGroupDescription('category'), new PropertyGroupDescription('subCategory')], }); } // groupsChanged(groups: any) { this.options = { display: groups.selectedIndex }; } // positionChanged(positions: any) { //positions.selectedValue = this.isBar = this.position === 'Left' || this.position === 'Right'; } } // // enableProdMode(); // Resolve resources (templateUrl, styleUrls etc), After resolution all URLs have been converted into `template` strings. ɵresolveComponentResources(fetch).then(() => { // Bootstrap application bootstrapApplication(AppComponent).catch((err) => console.error(err)); });
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Axis Groups</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/fesm2015/zone.min.js"></script> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html>
<div class="container-fluid"> <div> <wj-menu #groups header="Groups" [value]="'Show'" (itemClicked)="groupsChanged(groups)"> <wj-menu-item value="None">None</wj-menu-item> <wj-menu-item value="Show">Show</wj-menu-item> <wj-menu-item value="ShowGrid">ShowGrid</wj-menu-item> </wj-menu> <wj-menu #positions header="Position" [(value)]="position" (itemClicked)="positionChanged(positions)"> <wj-menu-item value="Bottom">Bottom</wj-menu-item> <wj-menu-item value="Top">Top</wj-menu-item> <wj-menu-item value="Left">Left</wj-menu-item> <wj-menu-item value="Right">Right</wj-menu-item> </wj-menu> </div> <wj-flex-chart [header]="'Sales By Category'" [bindingX]="'product'" [itemsSource]="view" [chartType]="isBar ? 'Bar' : 'Column'"> <wj-flex-chart-legend [position]="'None'"> </wj-flex-chart-legend> <wj-flex-chart-series [name]="'Sales'" [binding]="'sales'"> </wj-flex-chart-series> <wj-flex-chart-axis [wjProperty]="'axisX'" [axisLine]="true" [groupsOptions]="options" [position]="isBar ? 'Auto' : position" [majorGrid]="isBar" [labelAngle]="isBar ? 0 : -90"> </wj-flex-chart-axis> <wj-flex-chart-axis [wjProperty]="'axisY'" [axisLine]="true" [groupsOptions]="options" [position]="isBar ? position : 'Auto'" [majorGrid]="!isBar"> </wj-flex-chart-axis> </wj-flex-chart> </div>
import { Injectable } from "@angular/core"; // @Injectable() export class DataService { getData() { const categories = ["Electronics", "Computers & Tablets"]; const subCategories = [ ["Camera", "Headphones", "Cell Phones"], ["Desktops", "Laptops", "Tablets"], ]; const products = [ [ ["Digital", "Film", "Lenses", "Video", "Accessories"], [ "Earbud", "Over-ear", "On-ear", "Bluetooth", "Noise-cancelling", "Audiophile headphones", ], ["Cell Phones", "Accessories"], ], [ ["All-in-ones", "Minis", "Towers"], ["2 in 1", "Traditional"], ["iOS", "Android", "Windows"], ], ]; let data: any[] = []; for (let i = 0; i < categories.length; i++) { for (let j = 0; j < subCategories[i].length; j++) { for (let k = 0; k < products[i][j].length; k++) { data.push({ id: i, category: categories[i], subCategory: subCategories[i][j], product: products[i][j][k], sales: Math.random() * 100, }); } } } // return data; } }
.wj-flexchart .wj-axis-x .wj-label, .wj-flexchart .wj-axis-y .wj-label{ font-size: small; } .wj-control.wj-flexchart { height: 480px; } .wj-menu { margin: 4px 4px 4px 0; } body { margin-bottom: 24px; }
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