end of part 1 (unfinished)

src/backend/Board.java

@@ -3,9 +3,13 @@ package backend;
 import java.util.ArrayList;
 
 public class Board {
+	private String boardString; // Represent the board's state as a string
 	private int line;
 	private int col;
 	private Piece[][] board; // 2D array to hold pieces
+	private int [] selectedPosition = null; // No piece selected initially
+	private int turnNumber=0; // Tracks the number of turns elapsed
+	private boolean turnWhite=true; // True if it's White's turn, False if it's Black's turn
 
 	public Board(int colNum, int lineNum) {
 		this.col=colNum;
@@ -22,17 +26,14 @@ public class Board {
 	}
 
 	public int getTurnNumber() {
-		//TODO
-		return 0;
+		return this.turnNumber;
 	}
 
 	public boolean isTurnWhite() {
-		//TODO
-		return false;
+		return this.turnWhite;
 	}
 
 	public void setPiece(boolean isWhite, PieceType type, int x, int y) {
-		//TODO datastructure treeset
 		 // Create a new Piece object with the provided attributes
 		Piece piece =new Piece (isWhite, type,x,y);
 		
@@ -122,12 +123,51 @@ public class Board {
 
 	public void userTouch(int x, int y) {
 		//TODO
+		// First Touch: No position is selected, and a piece is at the position x,y
+		  if (this.selectedPosition==null && getBoardChar(x,y)!='.') {
+			  // Select the position at x, y and store it as an array
+		      this.selectedPosition[0] = x;
+		      this.selectedPosition[1] = y;
 		      
 		  } 
 		  
+		  // Second Touch: A piece is already selected
+		  else if (this.isSelected(x,y)){
+			// If the selected position is clicked again, deselect it
+		    this.selectedPosition=null;
+		    } 
+		    
+		  // If a piece is selected and the user clicks a new position
+		  else if (this.selectedPosition!=null){
+			  // Move the piece from the selected position to x, y
+			  int fromX = this.selectedPosition[0];
+		      int fromY = this.selectedPosition[1];
+
+		      // Move the piece from (fromX, fromY) to (x, y)
+		      this.movePiece(fromX, fromY, x, y);
+		      
+		      // Update turn
+		      this.turnNumber++;
+		      this.turnWhite=!this.turnWhite; 
+		    	
+		      // Deselect the position after moving
+		      this.selectedPosition = null;
+		    }
+	}
+	
+	public void movePiece(int fromX, int fromY, int toX, int toY) {
+		    // Move the piece on the board
+		    this.board[toX][toY] = this.board[fromX][fromY]; // Place piece at the new position
+		    this.board[fromX][fromY] = null; // Clear the old position
+	}
+	
+	 private char getBoardChar(int x, int y) {
+	        int index = y * 8 + x;
+	        return boardString.charAt(index);
+	    }
+
 	public boolean isSelected(int x, int y) {
-		//TODO
-		return false;
+		return this.selectedPosition!=null && this.selectedPosition[0] == x && this.selectedPosition[1] == y;
 	}
 
 	/* saving-loading feature :*/