Task/reuse currency selector in user account settings (#7584)

* Reuse currency selector

* Update changelog

CHANGELOG.md

@@ -12,6 +12,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Extended the toggle component to support a disabled state
 - Extended the toggle component to support icons
 - Reused the toggle component on the portfolio holdings page
+- Reused the currency selector component in the user account settings
+
+### Fixed
+
+- Fixed the handling of the disabled state in the currency selector and symbol autocomplete components
+- Fixed the restoration of the current selection in the currency selector component when leaving the field without picking an option
 
 ## 3.46.0 - 2026-08-09
 

apps/client/src/app/components/user-account-settings/user-account-settings.component.ts

@@ -14,6 +14,7 @@ import { downloadAsFile } from '@ghostfolio/common/helper';
 import { User } from '@ghostfolio/common/interfaces';
 import { hasPermission, permissions } from '@ghostfolio/common/permissions';
 import { internalRoutes } from '@ghostfolio/common/routes/routes';
+import { GfCurrencySelectorComponent } from '@ghostfolio/ui/currency-selector';
 import { NotificationService } from '@ghostfolio/ui/notifications';
 import { DataService } from '@ghostfolio/ui/services';
 import { GfValueComponent } from '@ghostfolio/ui/value';
@@ -30,8 +31,9 @@ import {
 } from '@angular/core';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import {
+  FormControl,
+  FormGroup,
   NonNullableFormBuilder,
-  FormsModule,
   ReactiveFormsModule,
   Validators
 } from '@angular/forms';
@@ -58,7 +60,7 @@ import { catchError } from 'rxjs/operators';
 @Component({
   changeDetection: ChangeDetectionStrategy.OnPush,
   imports: [
-    FormsModule,
+    GfCurrencySelectorComponent,
     GfValueComponent,
     IonIcon,
     MatButtonModule,
@@ -77,7 +79,12 @@ import { catchError } from 'rxjs/operators';
 })
 export class GfUserAccountSettingsComponent implements OnInit {
   protected readonly appearancePlaceholder = $localize`Auto`;
-  protected readonly baseCurrency: string;
+  protected readonly baseCurrencyForm = new FormGroup({
+    baseCurrency: new FormControl<string | null>({
+      disabled: true,
+      value: null
+    })
+  });
   protected closeUserAccountMailHref: string;
   protected readonly currencies: string[] = [];
   protected readonly deleteOwnUserForm = inject(NonNullableFormBuilder).group({
@@ -129,9 +136,8 @@ export class GfUserAccountSettingsComponent implements OnInit {
   private readonly webAuthnService = inject(WebAuthnService);
 
   public constructor() {
-    const { baseCurrency, currencies } = this.dataService.fetchInfo();
+    const { currencies } = this.dataService.fetchInfo();
 
-    this.baseCurrency = baseCurrency;
     this.currencies = currencies;
 
     this.userService.stateChanged
@@ -182,6 +188,16 @@ export class GfUserAccountSettingsComponent implements OnInit {
             permissions.updateViewMode
           );
 
+          this.baseCurrencyForm.setValue({
+            baseCurrency: this.user.settings.baseCurrency ?? null
+          });
+
+          if (this.hasPermissionToUpdateUserSettings) {
+            this.baseCurrencyForm.enable({ emitEvent: false });
+          } else {
+            this.baseCurrencyForm.disable({ emitEvent: false });
+          }
+
           if (this.user.settings.locale) {
             this.locales.push(this.user.settings.locale);
           }
@@ -194,6 +210,16 @@ export class GfUserAccountSettingsComponent implements OnInit {
         }
       });
 
+    this.baseCurrencyForm.controls.baseCurrency.valueChanges
+      .pipe(takeUntilDestroyed(this.destroyRef))
+      .subscribe((value) => {
+        // The currency selector emits null while the user is typing and only
+        // emits a currency once an option has been selected
+        if (value && value !== this.user?.settings.baseCurrency) {
+          this.onChangeUserSetting('baseCurrency', value);
+        }
+      });
+
     addIcons({ eyeOffOutline, eyeOutline });
   }
 

apps/client/src/app/components/user-account-settings/user-account-settings.html

@@ -3,25 +3,17 @@
   <div class="row">
     <div class="col">
       <div class="d-flex py-1">
-        <form #changeUserSettingsForm="ngForm" class="w-100">
+        <div class="w-100">
           <div class="d-flex mb-2">
             <div class="align-items-center d-flex pt-1 pt-1 w-50">
               <ng-container i18n>Base Currency</ng-container>
             </div>
-            <div class="pl-1 w-50">
+            <div class="pl-1 w-50" [formGroup]="baseCurrencyForm">
               <mat-form-field appearance="outline" class="w-100 without-hint">
-                <mat-select
-                  name="baseCurrency"
-                  [disabled]="!hasPermissionToUpdateUserSettings"
-                  [value]="user.settings.baseCurrency"
-                  (selectionChange)="
-                    onChangeUserSetting('baseCurrency', $event.value)
-                  "
-                >
-                  @for (currency of currencies; track currency) {
-                    <mat-option [value]="currency">{{ currency }}</mat-option>
-                  }
-                </mat-select>
+                <gf-currency-selector
+                  formControlName="baseCurrency"
+                  [currencies]="currencies"
+                />
               </mat-form-field>
             </div>
           </div>
@@ -214,7 +206,7 @@
               </mat-form-field>
             </div>
           </div>
-        </form>
+        </div>
       </div>
       <div class="align-items-center d-flex mt-4 py-1">
         <div class="pr-1 w-50">

libs/ui/src/lib/currency-selector/currency-selector.component.html

@@ -13,6 +13,7 @@
 
 <mat-autocomplete
   #currencyAutocomplete="matAutocomplete"
+  (closed)="onPanelClosed()"
   (optionSelected)="onUpdateCurrency($event)"
 >
   @for (currency of filteredCurrencies; track currency) {

libs/ui/src/lib/currency-selector/currency-selector.component.ts

@@ -81,6 +81,7 @@ export class GfCurrencySelectorComponent
   private readonly destroyRef = inject(DestroyRef);
   private readonly formField = inject(MAT_FORM_FIELD);
   private readonly input = viewChild.required(MatInput);
+  private lastSelectedCurrency: string | null = null;
 
   public constructor(
     public override readonly _elementRef: ElementRef,
@@ -110,9 +111,15 @@ export class GfCurrencySelectorComponent
     return !this.control.value;
   }
 
+  public override get value() {
+    return super.value;
+  }
+
   public override set value(value: string | null) {
     this.control.setValue(value);
     super.value = value;
+
+    this.lastSelectedCurrency = value;
   }
 
   public focus() {
@@ -124,10 +131,6 @@ export class GfCurrencySelectorComponent
   }
 
   public ngOnInit() {
-    if (this.disabled) {
-      this.control.disable();
-    }
-
     const formGroup = this.formGroupDirective.form;
 
     if (formGroup) {
@@ -170,8 +173,23 @@ export class GfCurrencySelectorComponent
     }
   }
 
+  public onPanelClosed() {
+    // Typing clears the selected currency, so restore the last selection once
+    // the panel closes without an option having been picked. An empty input is
+    // left untouched to allow clearing the currency.
+    if (super.value || !this.control.value) {
+      return;
+    }
+
+    this.value = this.lastSelectedCurrency;
+
+    this.changeDetectorRef.markForCheck();
+  }
+
   public onUpdateCurrency({ option }: { option: MatOption<string> }) {
     super.value = option.value;
+
+    this.lastSelectedCurrency = option.value;
   }
 
   private filter(value: string) {

libs/ui/src/lib/shared/abstract-mat-form-field.ts

@@ -9,7 +9,12 @@ import {
   Input,
   OnDestroy
 } from '@angular/core';
-import { ControlValueAccessor, NgControl, Validators } from '@angular/forms';
+import {
+  ControlValueAccessor,
+  FormControl,
+  NgControl,
+  Validators
+} from '@angular/forms';
 import { MatFormFieldControl } from '@angular/material/form-field';
 import { Subject } from 'rxjs';
 
@@ -23,6 +28,7 @@ export abstract class AbstractMatFormField<T>
   @HostBinding('attr.aria-describedBy') public describedBy = '';
 
   public readonly autofilled: boolean;
+  public abstract readonly control: FormControl;
   public errorState: boolean;
   public focused = false;
   public readonly stateChanges = new Subject<void>();
@@ -156,6 +162,16 @@ export abstract class AbstractMatFormField<T>
     this.describedBy = ids.join(' ');
   }
 
+  public setDisabledState(isDisabled: boolean) {
+    if (isDisabled) {
+      this.control.disable({ emitEvent: false });
+    } else {
+      this.control.enable({ emitEvent: false });
+    }
+
+    this.stateChanges.next();
+  }
+
   public writeValue(value: T) {
     this.value = value;
   }

libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts

@@ -115,10 +115,6 @@ export class GfSymbolAutocompleteComponent
   }
 
   public ngOnInit() {
-    if (this.disabled) {
-      this.control.disable();
-    }
-
     this.control.valueChanges
       .pipe(takeUntilDestroyed(this.destroyRef))
       .subscribe(() => {