Demos
Gauge(Angular)
Gauge Elements
Text Value

Text Values (Angular)

The showText property is used to show the min/max/value properties as text on the gauge. Use the format property to apply numeric formatting, or use the getText callback function to completely customize the display values.

This example uses Angular.

JavaScript
Angular
Vue
React
app.component.ts
index.html
app.component.html
styles.css
Copy to CodeMine
import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
//
import * as gauge from '@mescius/wijmo.gauge';
//
import '@angular/compiler';
import { Component, enableProdMode, ViewChild, ɵresolveComponentResources } from '@angular/core';

import { BrowserModule, bootstrapApplication } from '@angular/platform-browser';
import { WjInputModule } from '@mescius/wijmo.angular2.input';
import { WjGaugeModule } from '@mescius/wijmo.angular2.gauge';
import { FormsModule } from '@angular/forms';
//
@Component({
  standalone: true,
  imports: [WjGaugeModule, WjInputModule, BrowserModule, FormsModule],
  selector: 'app-component',
  templateUrl: 'src/app.component.html',
})
export class AppComponent {
  @ViewChild('theGauge', { static: true }) theGauge: gauge.RadialGauge;
  showText = 'All';
  //
  get customText() {
    return !!this.theGauge.getText;
  }
  set customText(value: boolean) {
    this.theGauge.getText = value ? this.getTextCallback : null;
  }
  //
  // getText callback function
  private getTextCallback(gauge: gauge.Gauge, part: string, value: number, text: string) {
    switch (part) {
      case 'value':
        if (value <= 10) return 'Empty!';
        if (value <= 25) return 'Low...';
        if (value <= 95) return 'Good';
        return 'Full';
      case 'min':
        return 'empty';
      case 'max':
        return 'full';
    }
    return text;
  }
}
//

//
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));
});
import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import * as gauge from '@mescius/wijmo.gauge'; // import '@angular/compiler'; import { Component, enableProdMode, ViewChild, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjInputModule } from '@mescius/wijmo.angular2.input'; import { WjGaugeModule } from '@mescius/wijmo.angular2.gauge'; import { FormsModule } from '@angular/forms'; // @Component({ standalone: true, imports: [WjGaugeModule, WjInputModule, BrowserModule, FormsModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { @ViewChild('theGauge', { static: true }) theGauge: gauge.RadialGauge; showText = 'All'; // get customText() { return !!this.theGauge.getText; } set customText(value: boolean) { this.theGauge.getText = value ? this.getTextCallback : null; } // // getText callback function private getTextCallback(gauge: gauge.Gauge, part: string, value: number, text: string) { switch (part) { case 'value': if (value <= 10) return 'Empty!'; if (value <= 25) return 'Low...'; if (value <= 95) return 'Good'; return 'Full'; case 'min': return 'empty'; case 'max': return 'full'; } return text; } } // // 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>Text Values</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="row"> <div class="col-xs-6"> <div class="form-group"> <label for="showText">Show Text:</label> <wj-combo-box id="showText" [itemsSource]="['None', 'Value', 'MinMax', 'All']" [(text)]="showText"> </wj-combo-box> </div> <div class="form-group"> <label for="format">Format:</label> <wj-combo-box id="format" [itemsSource]="['n0', 'n2', 'c0', 'c2']" [(text)]="theGauge.format"> </wj-combo-box> </div> <div class="form-check"> <label for="customText" class="form-check-label">Custom Text:</label> <input id="customText" type="checkbox" class="form-check-input" [(ngModel)]="customText"> </div> </div> <div class="col-xs-6"> <wj-radial-gauge #theGauge [isReadOnly]="false" [hasShadow]="false" [showText]="showText" [startAngle]="-30" [sweepAngle]="240" [value]="80" [showRanges]="false" [format]="'n0'"> <wj-range [min]="0" [max]="25" [color]="'red'"></wj-range> <wj-range [min]="25" [max]="50" [color]="'orange'"></wj-range> <wj-range [min]="50" [max]="100" [color]="'green'"></wj-range> </wj-radial-gauge> </div> </div> </div>
.wj-gauge { height: 150px; margin: 20px auto; padding: 12px; background: rgba(0, 0, 0, .02); box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23); } .wj-gauge .wj-pointer { fill: black; } label { width: 120px; text-align: right; margin-right: 3px; } .wj-dropdown, .wj-inputnumber { width: 120px; }
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'npm:@angular/forms/fesm2022/forms.mjs', }, // packages tells the System loader how to load when no filename and/or no extension packages: { "./src": { defaultExtension: 'ts' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);