UI: Fixed decimals value for analogue charts

ui-ngx/src/app/modules/home/components/widget/lib/analogue-gauge.models.ts

@@ -17,7 +17,7 @@
 import * as CanvasGauges from 'canvas-gauges';
 import { FontSettings, getFontFamily } from '@home/components/widget/lib/settings.models';
 import { WidgetContext } from '@home/models/widget-component.models';
-import { isDefined } from '@core/utils';
+import { isDefined, isDefinedAndNotNull } from '@core/utils';
 import tinycolor from 'tinycolor2';
 import Highlight = CanvasGauges.Highlight;
 import BaseGauge = CanvasGauges.BaseGauge;
@@ -264,8 +264,7 @@ function getValueDec(ctx: WidgetContext, settings: AnalogueGaugeSettings): numbe
   if (dataKey && isDefined(dataKey.decimals)) {
     return dataKey.decimals;
   } else {
-    return (isDefined(settings.valueDec) && settings.valueDec !== null)
-      ? settings.valueDec : ctx.decimals;
+    return isDefinedAndNotNull(ctx.decimals) ? ctx.decimals : (settings.valueDec || 0);
   }
 }
 

ui-ngx/src/app/modules/home/components/widget/lib/settings/gauge/analogue-gauge-widget-settings.component.ts

@@ -49,6 +49,7 @@ export class AnalogueGaugeWidgetSettingsComponent extends WidgetSettingsComponen
       minorTicks: 2,
       valueBox: true,
       valueInt: 3,
+      valueDec: 0,
       defaultColor: null,
       colorPlate: '#fff',
       colorMajorTicks: '#444',