lib/newgame.rb

   1 # Copyright (c) 2009 Paolo Capriotti <p.capriotti@gmail.com>
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7
   8 require 'qtutils'
   9
  10 class NewGame < KDE::Dialog
  11   include Observable
  12
  13   def initialize(parent,
  14                  engine_loader,
  15                  current_game)
  16     super(parent)
  17     self.caption = KDE.i18n("New game")
  18     self.buttons = KDE::Dialog::Ok | KDE::Dialog::Cancel
  19
  20     @widget = Qt::Widget.new(self)
  21
  22     @engine_loader = engine_loader
  23     label = Qt::Label.new(KDE.i18n("&Game:"), @widget)
  24     @games = Game.new_combo(@widget)
  25
  26     label.buddy = @games
  27     hlayout = Qt::HBoxLayout.new
  28     hlayout.add_widget(label)
  29     hlayout.add_widget(@games)
  30     @players = { }
  31
  32     @layout = Qt::VBoxLayout.new(@widget)
  33     @layout.add_layout(hlayout)
  34
  35     current = (0...@games.count).
  36       map{|i| @games.item_data(i).toString }.
  37       index(current_game.class.data(:id).to_s)
  38     @games.current_index = current if current
  39     @games.on('currentIndexChanged(int)') do |index|
  40       update_players(index)
  41     end
  42
  43     update_players(@games.current_index)
  44
  45     self.main_widget = @widget
  46
  47     on(:okClicked) do
  48       engines = { }
  49       humans = []
  50       g = game
  51       g.players.each do |player|
  52         # iterate over the player array to preserve order
  53         combo = @players[player]
  54         data = combo.item_data(combo.current_index).to_a
  55         if data.first == 'engine'
  56           engine_name = data[1]
  57           engines[player] = engine_loader[engine_name]
  58         else
  59           humans << player
  60         end
  61       end
  62       fire :ok => {
  63         :game => game,
  64         :engines => engines,
  65         :humans => humans }
  66     end
  67   end
  68
  69   def update_players(index)
  70     @player_widget.dispose if @player_widget
  71     @player_widget = Qt::Widget.new(@widget)
  72     layout = Qt::VBoxLayout.new(@player_widget)
  73     layout.margin = 0
  74     @layout.add_widget(@player_widget)
  75
  76     @players = { }
  77     g = game(index)
  78     engines = @engine_loader.find_by_game(g)
  79     g.players.each do |player|
  80       label = Qt::Label.new(player.to_s.capitalize + ':', @player_widget)
  81       combo = KDE::ComboBox.new(@player_widget) do
  82         self.editable = false
  83         add_item(KDE.i18n('Human'), Qt::Variant.new(['human']))
  84       end
  85       engines.each do |id, engine|
  86         combo.add_item(engine.name, Qt::Variant.new(['engine', engine.name]))
  87       end
  88       @players[player] = combo
  89
  90       hlayout = Qt::HBoxLayout.new
  91       hlayout.add_widget(label)
  92       hlayout.add_widget(combo)
  93       layout.add_layout(hlayout)
  94     end
  95   end
  96
  97   def game(index = nil)
  98     index = @games.current_index if index.nil?
  99     game_id = @games.item_data(index).toString.to_sym
 100     Game.get(game_id)
 101   end
 102 end