private void SquareView_Click(object sender, RoutedEventArgs e)
{
SquareView clickedSquare = sender as SquareView;
if (StartSquare == null)
{
// Only highlight if it has a piece
Square square = clickedSquare.DataContext as Square;
if (square.HasPiece())
{
StartSquare = clickedSquare;
StartSquare.SetHighlightColor();
ShowMovePreviews();
}
}
else if ((StartSquare == clickedSquare) || (StartSquare != null && EndSquare != null))
{
ClearSquares();
}
else
{
EndSquare = clickedSquare;
GameController.Update();
}
}
/// <summary>
/// Returns a square view from a position
/// </summary>
/// <param name="pos"></param>
/// <returns></returns>
private SquareView SquareViewFromPosition(Position pos)
{
int index = SquareViewIndexFromPosition(pos);
SquareView squareView = BoardView.Squares[index];
return(squareView);
}
public void ClearSquares()
{
foreach (SquareView squareView in BoardView.Squares)
{
squareView.SetNormalColor();
}
StartSquare = null;
EndSquare = null;
}
public void AddPiecesToView(Dictionary <Position, Square> boardSquares)
{
foreach (Position p in boardSquares.Keys)
{
Square square = boardSquares[p];
int viewIndex = SquareViewIndexFromPosition(p);
SquareView squareView = BoardView.Squares[viewIndex];
AddClickEvents(square, squareView);
if (square.HasPiece())
{
UpdateSquarePiece(square, viewIndex);
}
}
}
private void CreateSquares()
{
// vertical columns
for (int col = 0; col < COLUMN_COUNT; ++col)
{
// horizontal rows
for (int row = 0; row < ROW_COUNT; ++row)
{
// alternate between colors
SquareView square = ((row + col) % 2 == 0) ?
SquareView.FromColor(Checkers.Model.Color.Black) :
SquareView.FromColor(Checkers.Model.Color.Red);
AddSquare(square);
}
}
}
/// <summary>
/// Shows a preview of all the squares you can move to
/// </summary>
private void ShowMovePreviews()
{
if (StartSquare != null)
{
List <Move> validMoves = GameController.GetValidMoves();
foreach (Move m in validMoves)
{
Square moveStartSquare = SquareFromPosition(m.StartPosition);
if (moveStartSquare == StartSquare.DataContext as Square)
{
SquareView moveEndSquare = SquareViewFromPosition(m.EndPosition);
moveEndSquare.SetPreviewColor();
}
}
}
}
public static SquareView FromColor(Checkers.Model.Color color)
{
SquareView squareView = new SquareView();
switch (color)
{
case Checkers.Model.Color.Black:
squareView.SquareColor = Brushes.Gray;
break;
case Checkers.Model.Color.Red:
squareView.SquareColor = Brushes.White;
break;
}
squareView.Background = squareView.SquareColor;
return(squareView);
}
public void UpdateView(Dictionary <Position, Square> boardSquares)
{
foreach (Position p in boardSquares.Keys)
{
Square square = boardSquares[p];
int viewIndex = SquareViewIndexFromPosition(p);
SquareView squareView = BoardView.Squares[viewIndex];
squareView.DataContext = square;
if (square.HasPiece())
{
UpdateSquarePiece(square, viewIndex);
}
else
{
squareView.ClearPieceImage();
}
}
}
private void AddClickEvents(Square squareModel, SquareView squareView)
{
squareView.DataContext = squareModel;
squareView.Click += SquareView_Click;
}
private void AddSquare(SquareView square)
{
Squares.Add(square);
Children.Add(square);
}
