private void DragOverProjectionEventHandler(Object board, DragEventArgs projectionArgs)
{
CPieceProjection projection = projectionArgs.GetSingle <CPieceProjection>();
Point cursorCoordinates = projectionArgs.GetPosition((IInputElement)board);
ChangeProjectionState(projection, cursorCoordinates);
}
private CPieceProjection PutNewProjectionOnBoard(CPiece piece)
{
CPieceProjection projection = new CPieceProjection(piece);
_attachedBoard.BoardCanvas.Children.Add(projection);
Panel.SetZIndex(projection, (Int32)EZIndex.PieceProjection);
return(projection);
}
private void ChangeProjectionState(CPieceProjection projection, Point cursorCoordinates)
{
CTile cursorTile = new CTile(cursorCoordinates);
projection.Margin = new Thickness(cursorTile.X * CPiece.PieceSize, cursorTile.Y * CPiece.PieceSize, 0, 0);
projection.IsValidState = IsCursorOverBoard(cursorCoordinates) &&
!_attachedTiles.Contains(cursorTile) &&
projection.Root.IsMoveValid(_boardStates, cursorTile);
}
private void MouseDownPieceEventHandler(Object pieceObject, MouseEventArgs args)
{
CPiece piece = (CPiece)pieceObject;
if (piece.IsActive)
{
using CPieceProjection projection = PutNewProjectionOnBoard(piece);
DragDrop.DoDragDrop(projection.Parent, projection, DragDropEffects.Move);
}
}
private void DropProjectionEventHandler(Object boardObject, DragEventArgs projectionArgs)
{
CPieceProjection projection = projectionArgs.GetSingle <CPieceProjection>();
if (projection.IsValidState)
{
projection.Root.AttachedTile = new CTile(projection.Margin);
_attachedTiles.Add(projection.Root.AttachedTile);
_virtualBoardService.TryMovePiece(_gameId, projection.Root.Id, new CPoint {
X = projection.Margin.Left, Y = projection.Margin.Top
});
}
}