def receive(self, tile=None, meld=None):
"""receive a tile or meld and return the meld this tile becomes part of"""
if tile:
if tile.isBonus():
if tile.board == self:
return
meld = Meld(tile)
else:
meld = self.__chooseDestinationMeld(tile, meld) # from selector board.
# if the source is a Handboard, we got a Meld, not a Tile
if not meld:
# user pressed ESCAPE
return None
assert not tile.element.istitle() or meld.pairs[0] != 'Xy', tile
senderBoard = meld[0].board
senderBoard.removing(meld=meld)
if senderBoard == self:
self.player.moveMeld(meld)
self.sync()
else:
self.player.addMeld(meld)
self.sync(adding=meld.tiles)
senderBoard.remove(meld=meld)
meld.tiles = sorted(meld.tiles, key=lambda x: x.xoffset)
if any(x.focusable for x in meld.tiles):
for idx, tile in enumerate(meld.tiles):
tile.focusable = idx == 0
return meld
