spaced repetition

src/app/training/training.component.html

@@ -9,7 +9,7 @@
       <button
         (click)="showText()"
         class="bg-green-500 disabled:bg-green-200 text-white py-2 px-4 rounded hover:bg-green-600"
-        [disabled]="isShowingBox || currentBoxIndex >= boxes.length"
+        [disabled]="isShowingBox || currentBoxIndex >= boxesToReview.length"
       >
         Anzeigen
       </button>
@@ -18,7 +18,7 @@
       <button
         (click)="markKnown()"
         class="bg-blue-500 disabled:bg-blue-200 text-white py-2 px-4 rounded hover:bg-blue-600"
-        [disabled]="!isShowingBox || currentBoxIndex >= boxes.length"
+        [disabled]="!isShowingBox || currentBoxIndex >= boxesToReview.length"
       >
         Gewusst
       </button>
@@ -27,10 +27,19 @@
       <button
         (click)="markUnknown()"
         class="bg-red-500 disabled:bg-red-200 text-white py-2 px-4 rounded hover:bg-red-600"
-        [disabled]="!isShowingBox || currentBoxIndex >= boxes.length"
+        [disabled]="!isShowingBox || currentBoxIndex >= boxesToReview.length"
       >
         Nicht gewusst
       </button>
+
+      <!-- Nächstes Bild Button -->
+      <button
+        (click)="skipToNextImage()"
+        class="bg-yellow-500 disabled:bg-yellow-200 text-white py-2 px-4 rounded hover:bg-yellow-600"
+        [disabled]="currentImageIndex >= deck.images.length"
+      >
+        Nächstes Bild
+      </button>
     </div>
 
     <p class="mt-2">{{ progress }}</p>

src/app/training/training.component.ts

@@ -19,8 +19,9 @@ export class TrainingComponent implements OnInit {
 
   currentImageIndex: number = 0;
   currentImageData: DeckImage | null = null;
+  // Ändere currentBoxIndex zu boxesToReview als Array
   currentBoxIndex: number = 0;
-  boxes: Box[] = [];
+  boxesToReview: Box[] = [];
   boxRevealed: boolean[] = [];
 
   knownCount: number = 0;
@@ -33,6 +34,7 @@ export class TrainingComponent implements OnInit {
 
   ngOnInit(): void {
   }
+
   ngAfterViewInit(){
     if (this.deck && this.deck.images.length > 0) {
       this.loadImage(this.currentImageIndex);
@@ -41,17 +43,17 @@ export class TrainingComponent implements OnInit {
       this.close.emit();
     }
   }
+
   loadImage(imageIndex: number): void {
     if (imageIndex >= this.deck.images.length) {
       this.endTraining();
       return;
     }
 
-    const imageName = this.deck.images[imageIndex].name;
     this.currentImageData = this.deck.images[imageIndex];
-        this.boxes = this.deck.images[imageIndex].boxes;
-        this.boxRevealed = new Array(this.boxes.length).fill(false);
-        this.currentBoxIndex = 0;
+    // Initialisiere boxesToReview mit allen Boxen, gemischt
+    this.boxesToReview = this.shuffleArray([...this.currentImageData.boxes]);
+    this.boxRevealed = new Array(this.boxesToReview.length).fill(false);
     this.isShowingBox = false;
     this.drawCanvas();
   }
@@ -73,7 +75,7 @@ export class TrainingComponent implements OnInit {
       ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
 
       // Draw boxes
-      this.boxes.forEach((box, index) => {
+      this.boxesToReview.forEach((box, index) => {
         if (this.boxRevealed[index]) {
           // Box ist bereits enthüllt, nichts zeichnen
           return;
@@ -87,6 +89,7 @@ export class TrainingComponent implements OnInit {
         ctx.strokeStyle = 'black';
         ctx.stroke();
       });
+
     };
 
     img.onerror = () => {
@@ -96,8 +99,34 @@ export class TrainingComponent implements OnInit {
     };
   }
 
+  // Utility-Funktion zum Mischen eines Arrays
+  shuffleArray<T>(array: T[]): T[] {
+    let currentIndex = array.length, randomIndex;
+
+    // While there remain elements to shuffle.
+    while (currentIndex !== 0) {
+
+      // Pick a remaining element.
+      randomIndex = Math.floor(Math.random() * currentIndex);
+      currentIndex--;
+
+      // And swap it with the current element.
+      [array[currentIndex], array[randomIndex]] = [
+        array[randomIndex], array[currentIndex]];
+    }
+
+    return array;
+  }
+
+  get currentBox(): Box | null {
+    if (this.currentBoxIndex < this.boxesToReview.length) {
+      return this.boxesToReview[this.currentBoxIndex];
+    }
+    return null;
+  }
+
   showText(): void {
-    if (this.currentBoxIndex >= this.boxes.length) return;
+    if (this.currentBoxIndex >= this.boxesToReview.length) return;
     this.boxRevealed[this.currentBoxIndex] = true;
     this.isShowingBox = true;
     this.drawCanvas();
@@ -105,25 +134,35 @@ export class TrainingComponent implements OnInit {
 
   markKnown(): void {
     this.knownCount++;
+    // Entferne die aktuelle Box aus boxesToReview, da sie bekannt ist
+    this.boxesToReview.splice(this.currentBoxIndex, 1);
+    this.boxRevealed.splice(this.currentBoxIndex, 1);
     this.nextBox();
   }
 
   markUnknown(): void {
     this.unknownCount++;
+    // Behalte die aktuelle Box in der Liste und verschiebe sie an eine zufällige Position am Ende
+    const box = this.boxesToReview.splice(this.currentBoxIndex, 1)[0];
+    this.boxesToReview.push(box);
+    this.boxRevealed.splice(this.currentBoxIndex, 1);
     this.nextBox();
   }
 
   nextBox(): void {
-    this.currentBoxIndex++;
     this.isShowingBox = false;
 
-    if (this.currentBoxIndex >= this.boxes.length) {
+    if (this.boxesToReview.length === 0) {
       // Alle Boxen für dieses Bild sind bearbeitet
       this.nextImage();
-    } else {
-      // Aktualisiere die Farben der Boxen
-      this.drawCanvas();
+      return;
     }
+
+    if (this.currentBoxIndex >= this.boxesToReview.length) {
+      this.currentBoxIndex = 0;
+    }
+
+    this.drawCanvas();
   }
 
   nextImage(): void {
@@ -131,6 +170,15 @@ export class TrainingComponent implements OnInit {
     this.loadImage(this.currentImageIndex);
   }
 
+  skipToNextImage(): void {
+    if (this.currentImageIndex < this.deck.images.length - 1) {
+      this.currentImageIndex++;
+      this.loadImage(this.currentImageIndex);
+    } else {
+      alert('Dies ist das letzte Bild im Deck.');
+    }
+  }
+
   endTraining(): void {
     this.isTrainingFinished = true;
     alert(`Training beendet!\nGewusst: ${this.knownCount}\nNicht gewusst: ${this.unknownCount}`);