Value Indicators API
Documentation
This demo shows how to use the API of the CircularGauge to change its value and subvalue indicators at runtime. To get and set the values of the indicators, the value and subvalues methods are utilized.
Feel free to share demo-related thoughts here.
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<div id="gauge-demo">
<div class="widget-container">
<dx-circular-gauge
id="gauge"
[value]="gaugeValue"
[subvalues]="gaugeSubvalues"
>
<dxo-scale [startValue]="10" [endValue]="40" [tickInterval]="5">
<dxo-label [customizeText]="customizeText"></dxo-label>
</dxo-scale>
<dxo-title text="Generators Voltage (kV)">
<dxo-font [size]="28"></dxo-font>
</dxo-title>
<dxo-tooltip [enabled]="true"></dxo-tooltip>
</dx-circular-gauge>
</div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<span>Main generator</span>
<dx-number-box
[(value)]="mainGenerator"
[min]="10"
[max]="40"
[width]="100"
[showSpinButtons]="true"
>
</dx-number-box>
</div>
<div class="option">
<span>Additional generator 1</span>
<dx-number-box
[(value)]="additionalGenerator[0]"
[min]="10"
[max]="40"
[width]="100"
[showSpinButtons]="true"
>
</dx-number-box>
</div>
<div class="option">
<span>Additional generator 2</span>
<dx-number-box
[(value)]="additionalGenerator[1]"
[min]="10"
[max]="40"
[width]="100"
[showSpinButtons]="true"
>
</dx-number-box>
</div>
<div class="option">
<dx-button text="Apply" [width]="100" (onClick)="updateValues()">
</dx-button>
</div>
</div>
</div>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxCircularGaugeModule, DxNumberBoxModule, DxButtonModule } from 'devextreme-angular';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
})
export class AppComponent {
mainGenerator = 34;
additionalGenerator: number[] = [12, 23];
gaugeValue = 34;
gaugeSubvalues: number[] = [12, 23];
customizeText(arg: any) {
return `${arg.valueText} kV`;
}
updateValues() {
this.gaugeValue = this.mainGenerator;
this.gaugeSubvalues = this.additionalGenerator.slice();
}
}
@NgModule({
imports: [
BrowserModule,
DxCircularGaugeModule,
DxNumberBoxModule,
DxButtonModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .widget-container {
margin-right: 320px;
}
::ng-deep .options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
position: absolute;
right: 0;
top: 0;
bottom: 0;
width: 260px;
}
::ng-deep .caption {
font-size: 18px;
font-weight: 500;
}
::ng-deep .option {
margin-top: 10px;
display: flex;
align-items: center;
justify-content: space-between;
}
::ng-deep .dx-button {
margin-left: auto;
}
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System.config(window.config);
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