lib/board/table.rb

   1 class Table < Qt::GraphicsView
   2   include Observable
   3
   4   attr_reader :elements
   5
   6   Theme = Struct.new(:pieces, :board, :layout)
   7
   8   def initialize(scene, loader, parent)
   9     super(@scene = scene, parent)
  10     @loader = loader
  11   end
  12
  13   def reset(match)
  14     game = match.game
  15     # destroy old elements
  16     if @elements
  17       @scene.remove_element(@elements[:board])
  18       @elements[:pools].each do |col, pool|
  19         @scene.remove_element(pool)
  20       end
  21       @elements[:clocks].each do |col, clock|
  22         @scene.remove_element(clock)
  23       end
  24     end
  25
  26     # load theme
  27     @theme = Theme.new
  28     @theme.pieces = @loader.
  29       get_matching((game.keywords || []) + %w(pieces)).
  30       new(:game => game, :shadow => true)
  31     @theme.board = @loader.
  32       get_matching(%w(board), game.keywords || []).
  33       new(:game => game)
  34     @theme.layout = @loader.
  35       get_matching(%w(layout), game.keywords || []).
  36       new(game)
  37
  38     # recreate elements
  39     @elements = { }
  40     @elements[:board] = Board.new(@scene, @theme, game)
  41     @elements[:pools] = if game.respond_to? :pool
  42       game.players.inject({}) do |res, player|
  43         res[player] = Pool.new(@scene, @theme, game)
  44         res
  45       end
  46     else
  47       {}
  48     end
  49     clock_class = @loader.get_matching(%w(clock))
  50     @elements[:clocks] = game.players.inject({}) do |res, player|
  51       res[player] = clock_class.new(scene)
  52       res
  53     end
  54
  55     relayout
  56     fire :reset => match
  57   end
  58
  59   def flip(value)
  60     if flipped? != value
  61       @theme.layout.flip(value)
  62       @theme.board.flip(value)
  63       @theme.pieces.flip(value)
  64       relayout
  65     end
  66   end
  67
  68   def resizeEvent(e)
  69     @initialized = true
  70     r = Qt::RectF.new(0, 0, e.size.width, e.size.height)
  71     @scene.scene_rect = r
  72     relayout if @elements
  73   end
  74
  75   def relayout
  76     if @initialized
  77       @theme.layout.layout(@scene.scene_rect, @elements)
  78     end
  79   end
  80
  81   def flipped?
  82     @theme.layout.flipped?
  83   end
  84 end