[NAE-1745] Enumeration autocomplete constantly sending value

- invalid method

Author: machacjozef

projects/netgrif-components-core/src/lib/data-fields/enumeration-field/enumeration-autocomplete-select-field/abstract-enumeration-autocomplete-select-field.component.ts

@@ -66,6 +66,11 @@ export abstract class AbstractEnumerationAutocompleteSelectFieldComponent implem
         this.formControlRef.setValue(event.option.value);
     }
 
+
+    isInvalid(): boolean {
+        return !this.formControlRef.disabled && !this.formControlRef.valid && this.text.control.touched;
+    }
+
     public renderSelection = (key) => {
         if (key !== undefined && key !== '' && key !== null) {
             if (this.enumerationField.choices.find(choice => choice.key === key)) {

projects/netgrif-components/src/lib/data-fields/enumeration-field/enumeration-autocomplete-select-field/enumeration-autocomplete-select-field.component.html

@@ -18,5 +18,5 @@
         </mat-option>
     </mat-autocomplete>
     <mat-hint>{{enumerationField.description}}</mat-hint>
-    <mat-error *ngIf="buildErrorMessage() !== undefined">{{buildErrorMessage()}}</mat-error>
+    <mat-error *ngIf="isInvalid() !== undefined">{{buildErrorMessage()}}</mat-error>
 </mat-form-field>