Legends and Titles (Angular)

The FlexChart control has header, footer and the Axis title properties that you can use to include more information in your charts. You can also customize these sections of the chart using CSS.

Learn about FlexChart | Legends and Titles Documentation | 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 { FormsModule } from '@angular/forms'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjInputModule } from '@mescius/wijmo.angular2.input'; import { WjChartModule } from '@mescius/wijmo.angular2.chart'; import { DataService } from './app.data'; import { isArray } from '@mescius/wijmo'; import { Palettes } from '@mescius/wijmo.chart'; // @Component({ standalone: true, providers: [DataService], imports: [FormsModule, WjInputModule, WjChartModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { data: any[]; positionData: string[] header: string; footer: string; xTitle: string; yTitle: string; palette: any; customTitles: boolean; customLegend: boolean; legendPosition: string; reverseLegend:boolean; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(); this.positionData = dataService.getComboData(); this.header = "My Great Chart"; this.footer = "powered by Wijmo's FlexChart"; this.xTitle = "country"; this.yTitle = "values/units"; this.customTitles = true; this.customLegend = true; this.reverseLegend = false; this.legendPosition = 'Left'; this.palette = this.getRandomPalette(); console.log(this.legendPosition) /** * xTitle.text = 'country'; yTitle.text = 'values/units'; */ } // getRandomPalette() { let palettes = Object.keys(Palettes).filter(prop => isArray(Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return Palettes[palettes[rand]]; } customClass() { let cls = ''; if(this.customTitles) { cls += 'custom-titles '; } if(this.customLegend) { cls += 'custom-legend'; } return cls; } } // // 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 Legends and Titles</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 class="form-group"> <label for="header">Header: </label> <wj-combo-box [(text)]="header"></wj-combo-box><br> <label for="footer">Footer: </label> <wj-combo-box [(text)]="footer"></wj-combo-box><br> <label for="xTitle">X-Axis Title: </label> <wj-combo-box [(text)]="xTitle"></wj-combo-box><br> <label for="yTitle">Y-Axis Title: </label> <wj-combo-box [(text)]="yTitle"></wj-combo-box><br> <label for="customTitles">Custom Titles: </label> <input id="customTitles" type="checkbox" [(ngModel)]="customTitles"><br> <label for="customLegend">Custom Legend: </label> <input id="customLegend" type="checkbox" [(ngModel)]="customLegend"><br> <label for="reverseLegend">Reverse Legends: </label> <input id="reverseLegend" type="checkbox" [(ngModel)]="reverseLegend"><br> <label for="legendPosition">Legend Position: </label> <wj-combo-box [itemsSource]="positionData" [(text)]="legendPosition"></wj-combo-box><br> <wj-flex-chart [ngClass]="customClass()" bindingX="country" [header]="header" [footer]="footer" [itemsSource]="data" [palette]="palette"> <wj-flex-chart-legend [position]="legendPosition" [reverse]="reverseLegend"></wj-flex-chart-legend> <wj-flex-chart-axis wjProperty="axisX" [title]="xTitle"></wj-flex-chart-axis> <wj-flex-chart-axis wjProperty="axisY" [title]="yTitle"></wj-flex-chart-axis> <wj-flex-chart-series binding="sales" name="Sales"></wj-flex-chart-series> <wj-flex-chart-series binding="expenses" name="Expenses"></wj-flex-chart-series> <wj-flex-chart-series binding="downloads" name="Downloads"></wj-flex-chart-series> </wj-flex-chart> </div> </div>
import { Injectable } from '@angular/core'; // @Injectable() export class DataService { getData() { let countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','), data = []; // for (let i = 0; i < countries.length; i++) { data.push({ country: countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, downloads: Math.round(Math.random() * 20000) }); } // return data; } getComboData() { return 'None,Top,Bottom,Left,Right,TopLeft,TopRight,BottomLeft,BottomRight,LeftTop,LeftBottom,RightTop,RightBottom'.split(','); } }
.wj-flexchart { height: 300px; } label { width: 150px; text-align: right; } .wj-control { margin-bottom: 3px; } /* custom color for all titles */ .custom-titles.wj-flexchart .wj-title { fill: #42357C; } /* custom size/weight for header */ .custom-titles.wj-flexchart .wj-header .wj-title { font-size: 120%; font-weight: bold; } /* custom size/weight for footer */ .custom-titles.wj-flexchart .wj-footer .wj-title { font-size: 90%; font-weight: bold; } /* custom style for axis-x/y titles */ .custom-titles.wj-flexchart .wj-axis-x .wj-title, .custom-titles.wj-flexchart .wj-axis-y .wj-title{ font-size: 75%; font-style: normal; opacity: .5; } .wj-flexchart .wj-legend .wj-label { opacity: .9; font-size: 80%; } /* custom color for legend box */ .custom-legend.wj-flexchart .wj-legend > rect { fill: #003000; } /* custom color for legend labels */ .custom-legend.wj-flexchart .wj-legend .wj-label { fill: white; font-style: italic; }
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