private void RenderBoard(Board board)
{
foreach (var positionKey in _squares.Keys)
{
var position = new SquareIdentifier(positionKey);
var square = board[position];
var gridView = _squares[positionKey];
var element = gridView.Items.FirstOrDefault() as PieceElement;
if (element != null)
{
if (square.IsOccupied())
{
if (element.PieceType != square.Piece.GetType()
|| element.Color != square.Piece.Color)
{
gridView.Items.Clear();
var pieceElement = new PieceElement(square.Piece);
gridView.Items.Add(pieceElement);
}
}
else
{
gridView.Items.Clear();
}
}
else if (square.IsOccupied())
{
var pieceElement = new PieceElement(square.Piece);
gridView.Items.Add(pieceElement);
}
}
}
private void OnDragItemsStarting(object sender, DragItemsStartingEventArgs e)
{
_draggedFrom = sender as GridView;
_draggedPiece = e.Items.OfType<PieceElement>().First();
}