changes acc. user intro + chdet for move image

src/app/deck-list.component.ts

@@ -69,6 +69,9 @@ export class DeckListComponent implements OnInit {
         if (!this.activeDeck && this.decks.length > 0) {
           this.activeDeck = this.decks[0];
         }
+        if (this.decks.length === 0) {
+          this.activeDeck = null;
+        }
       },
       error: err => console.error('Error loading decks', err),
     });
@@ -100,7 +103,7 @@ export class DeckListComponent implements OnInit {
         next: () => {
           this.loadDecks();
           this.closeDeletePopover();
-          this.activeDeck = this.decks[0];
+          this.activeDeck = this.decks.length > 0 ? this.decks[0] : null;
         },
         error: err => console.error('Error deleting deck', err),
       });
@@ -314,7 +317,21 @@ export class DeckListComponent implements OnInit {
   // Handler for the moveCompleted event
   onImageMoved(): void {
     this.imageToMove = null;
-    this.loadDecks();
+    // Speichere den Namen des aktiven Decks
+    const activeDeckName = this.activeDeck?.name;
+
+    this.deckService.getDecks().subscribe({
+      next: decks => {
+        this.decks = decks;
+        // Aktualisiere den activeDeck mit den neuen Daten
+        if (activeDeckName) {
+          this.activeDeck = this.decks.find(deck => deck.name === activeDeckName) || null;
+        }
+        // Force change detection
+        this.cdr.detectChanges();
+      },
+      error: err => console.error('Error loading decks', err),
+    });
   }
 
   onFileChange(event: any): void {