Started to implement a gereying of previous case but not possible since

I needed to modify Jpaneldraw

OOP_2B1_Project/src/backend/Board.java

@@ -86,9 +86,9 @@ public class Board implements Cloneable  {
 		setPiece(true,PieceType.Bishop,2,7);
 		setPiece(true,PieceType.Bishop,5,7);
 		setPiece(false,PieceType.King,4,0);
-		setPiece(true,PieceType.King,4,7);
+		setPiece(true,PieceType.King,3,7);
 		setPiece(false,PieceType.Queen,3,0);
-		setPiece(true,PieceType.Queen,3,7);
+		setPiece(true,PieceType.Queen,4,7);
 		for (int i=0;i<8;i++) {
 			setPiece(false,PieceType.Pawn,i,1);
 		}
@@ -103,6 +103,9 @@ public class Board implements Cloneable  {
 		pieces.clear();
 		selectedX = null;
 		selectedY = null;
+		highlightedPositions.clear(); 
+		boardHistory.clear();      
+		this.lastMoveSourceSquare = null;
 	}
 
 
@@ -151,6 +154,7 @@ public class Board implements Cloneable  {
 			Piece pieceAtPos = getPieceAt(x, y);
 
 			if (pieceAtPos != null && pieceAtPos.isWhite() == turnIsWhite) {
+				this.lastMoveSourceSquare = null;
 				selectedX = x;
 				selectedY = y;
 
@@ -163,6 +167,7 @@ public class Board implements Cloneable  {
 			}
 		} else {
 			if (selectedX == x && selectedY == y) {
+				this.lastMoveSourceSquare = null;
 				selectedX = null;
 				selectedY = null;
 				highlightedPositions.clear();
@@ -312,6 +317,7 @@ public class Board implements Cloneable  {
 		turnNumber--;
 		turnIsWhite = !turnIsWhite;
 		kingCheckPos = null;
+		this.lastMoveSourceSquare = null;
 	}
 
 	public Board(Board board) {
@@ -359,6 +365,8 @@ public class Board implements Cloneable  {
 	            // Update turn info
 	            turnIsWhite = !turnIsWhite;
 	            turnNumber++;
+	            
+	            this.lastMoveSourceSquare = new int[] {move.getFromCol(), move.getFromRow()};
 
 	            // Play move sound if enabled
 	            playMoveSound();
@@ -430,8 +438,11 @@ public class Board implements Cloneable  {
 			clonedBoard.selectedY = this.selectedY;
 			clonedBoard.turnNumber = this.turnNumber;
 			clonedBoard.turnIsWhite = this.turnIsWhite;
-			
-
+			if (this.lastMoveSourceSquare != null) {
+		            clonedBoard.lastMoveSourceSquare = new int[]{this.lastMoveSourceSquare[0], this.lastMoveSourceSquare[1]};
+		        } else {
+		            clonedBoard.lastMoveSourceSquare = null;		
+		        }
 			return clonedBoard;
 		} catch (CloneNotSupportedException e) {
 			throw new AssertionError(); // Should never happen
@@ -539,5 +550,10 @@ public class Board implements Cloneable  {
 	            && kingCheckPos[0] == squareX
 	            && kingCheckPos[1] == squareY);
 	}
+	private int[] lastMoveSourceSquare = null;
+	
+	public boolean isLastMoveSourceSquare(int x, int y) {
+	    return lastMoveSourceSquare != null && lastMoveSourceSquare[0] == x && lastMoveSourceSquare[1] == y;
+}
+	
 }
-

OOP_2B1_Project/src/backend/Game.java

@@ -115,5 +115,7 @@ public class Game extends Thread {
 	public boolean isKingCheckSquare(int squareX, int squareY) {
 	    return board.isKingCheckSquare(squareX, squareY);
 	}
-
+	public boolean isLastMoveSourceSquare(int x, int y) {
+	    return board.isLastMoveSourceSquare(x, y);
+}
 }