private void ResetDragAndDrop() { if (_selectedPiece == null) { return; } Canvas.Children.Remove(_selectedPiece); _clickedSquare.PieceView = _selectedPiece; _selectedPiece = null; _hasBeginDragAndDrop = false; }
protected override void OnMouseDown(MouseButtonEventArgs e) { base.OnMouseDown(e); if (e.ChangedButton != MouseButton.Left) { return; } _mouseDown = true; _mouseDownPoint = e.GetPosition(Grid); _clickedSquare = SquareAt(e.GetPosition(Grid)); if (_clickedSquare == null) { return; } if (_selected && _possibleMoves.Contains(_clickedSquare)) { return; } ResetBoardColor(); _selectedPiece = _clickedSquare.PieceView; //--Verified--// //Concerned controllers to get the possible moves List <BoardViewPlayerController> concernedControllers = BoardViewPlayerControllers.FindAll( x => (x.Player.Color == (_selectedPiece?.Piece.Color) && x.IsPlayable)); if (concernedControllers.Count == 0) { return; } _initDragAndDropOnMouseMove = true; //Possible move drawing foreach (Square square in concernedControllers.First().PossibleMoves(_selectedPiece.Piece)) { SquareView squareView = Grid.Children.Cast <SquareView>() .First(x => Grid.GetRow(x) == square.Y && Grid.GetColumn(x) == square.X); squareView.SetResourceReference(BackgroundProperty, (square.X + square.Y) % 2 == 0 ? "CleanWindowCloseButtonBackgroundBrush" : "CleanWindowCloseButtonPressedBackgroundBrush"); _possibleMoves.Add(squareView); } }
protected override void OnMouseMove(MouseEventArgs e) { base.OnMouseMove(e); Point p = e.GetPosition(Grid); if (p.X < 0 || p.Y < 0 || p.X > Grid.ActualWidth || p.Y > Grid.ActualHeight) { if (_selectedPiece == null) { return; } Canvas.Children.Remove(_selectedPiece); _clickedSquare.Square.Piece = _selectedPiece.Piece; _selectedPiece = null; _selected = false; return; } //Use the threshold too if (!_mouseDown) { return; } if (_selectedPiece == null) { return; } if (_initDragAndDropOnMouseMove && (_mouseDownPoint - e.GetPosition(Grid)).Length > 5) { Console.WriteLine("Init drag and drop"); _clickedSquare.PieceView = null; var width = _selectedPiece.ActualWidth; var height = _selectedPiece.ActualHeight; //Put the pieceView in the canvas to be able to drag&drop Canvas.Children.Add(_selectedPiece); _selectedPiece.Height = height; _selectedPiece.Width = width; _initDragAndDropOnMouseMove = false; _hasBeginDragAndDrop = true; } Canvas.SetTop(_selectedPiece, e.GetPosition(this).Y - _selectedPiece.ActualHeight / 2); Canvas.SetLeft(_selectedPiece, e.GetPosition(this).X - _selectedPiece.ActualWidth / 2); }
public SquareView(Square square) { InitializeComponent(); Square = square; DataContext = this; Square.PropertyChanged += SquarePropertyChangeHandler; if (square.Piece != null) { PieceView = new PieceView(square.Piece); } SetResourceReference(BackgroundProperty, (square.X + square.Y) % 2 == 0 ? "AccentColorBrush" : "AccentColorBrush4"); Grid.SetColumn(this, square.X); Grid.SetRow(this, square.Y); }
protected override void OnMouseUp(MouseButtonEventArgs e) { base.OnMouseUp(e); if (e.ChangedButton != MouseButton.Left) { return; } _mouseDown = false; _initDragAndDropOnMouseMove = false; var concernedControllers = ConcernedControllers(); if (concernedControllers.Count == 0) { return; } Move move = null; SquareView squareView = SquareAt(e.GetPosition(Grid)); //TODO Put all the fields in the corresponding state if (squareView == null) { if (_selectedPiece == null) { return; } Canvas.Children.Remove(_selectedPiece); _clickedSquare.Square.Piece = _selectedPiece.Piece; _selectedPiece = null; _selected = false; return; } SquareView clickedSquareView = SquareAt(_mouseDownPoint); bool select = Equals(squareView.Square.Coordinate, clickedSquareView?.Square?.Coordinate); //Same square if (select) { if (_hasBeginDragAndDrop) { Canvas.Children.Remove(_selectedPiece); _clickedSquare.PieceView = _selectedPiece; _selectedPiece = null; _hasBeginDragAndDrop = false; ResetBoardColor(); return; } //First click if (!_selected) { Console.WriteLine("Selection"); _selected = true; } //Second click else { if (!_possibleMoves.Contains(_clickedSquare)) { return; } _selected = false; ResetBoardColor(); if ((_selectedPiece.Piece.Type == Type.Pawn) && (squareView.Square.Y == (_selectedPiece.Piece.Color == Color.White ? 0 : 7))) { var promoteDialog = new PieceTypeSelectionWindow(_selectedPiece.Piece.Color); promoteDialog.ShowDialog(); move = new Move(_selectedPiece.Piece.Square, squareView.Square, _selectedPiece.Piece.Type, _selectedPiece.Piece.Color, promoteDialog.ChosenType); } else { move = new Move(_selectedPiece.Piece, squareView.Square); } concernedControllers.ForEach(x => x.Move(move)); } } else //Drag case { if (!_possibleMoves.Contains(squareView)) { ResetDragAndDrop(); ResetBoardColor(); return; } Canvas.Children.Remove(_selectedPiece); ResetBoardColor(); if ((_selectedPiece.Piece.Type == Type.Pawn) && (squareView.Square.Y == (_selectedPiece.Piece.Color == Color.White ? 0 : 7))) { var promoteDialog = new PieceTypeSelectionWindow(_selectedPiece.Piece.Color); promoteDialog.ShowDialog(); move = new Move(_selectedPiece.Piece.Square, squareView.Square, _selectedPiece.Piece.Type, _selectedPiece.Piece.Color, promoteDialog.ChosenType); } else { move = new Move(_selectedPiece.Piece, squareView.Square); } concernedControllers.ForEach(x => x.Move(move)); _selected = false; _hasBeginDragAndDrop = false; } }