lib/engine_prefs.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 require 'plugins/loader'
  10
  11 class EngineData < KDE::Dialog
  12   include Observable
  13
  14   def initialize(caption, parent, engine = nil)
  15     super(parent)
  16     self.caption = caption
  17     self.buttons = KDE::Dialog::Ok | KDE::Dialog::Cancel
  18
  19     page = Qt::Frame.new(self)
  20     layout = Qt::VBoxLayout.new(page)
  21
  22     tmp = Qt::HBoxLayout.new
  23     label = Qt::Label.new(KDE.i18n("&Name:"), page)
  24     tmp.add_widget(label)
  25     name = KDE::LineEdit.new(page)
  26     label.buddy = name
  27     tmp.add_widget(name)
  28     layout.add_layout(tmp)
  29
  30     tmp = Qt::HBoxLayout.new
  31     label = Qt::Label.new(KDE.i18n("&Type:"), page)
  32     tmp.add_widget(label)
  33     type = KDE::ComboBox.new(page)
  34     label.buddy = type
  35     loader = PluginLoader.new
  36     protocols = loader.get_all_matching(:engine).map do |klass|
  37       klass.data(:protocol)
  38     end.uniq
  39     protocols.each do |prot|
  40       type.add_item(prot)
  41     end
  42
  43     tmp.add_widget(type)
  44     layout.add_layout(tmp)
  45
  46     tmp = Qt::HBoxLayout.new
  47     label = Qt::Label.new(KDE.i18n("&Game:"), page)
  48     tmp.add_widget(label)
  49     games = Game.new_combo(page)
  50
  51     label.buddy = games
  52     tmp.add_widget(games)
  53     layout.add_layout(tmp)
  54
  55     tmp = Qt::HBoxLayout.new
  56     label = Qt::Label.new(KDE.i18n("&Path:"), page)
  57     tmp.add_widget(label)
  58     path = KDE::UrlRequester.new(page)
  59     label.buddy = path
  60     tmp.add_widget(path)
  61     layout.add_layout(tmp)
  62
  63     tmp = Qt::HBoxLayout.new
  64     label = Qt::Label.new(KDE.i18n("&Work directory:"), page)
  65     tmp.add_widget(label)
  66     workdir = KDE::UrlRequester.new(page)
  67     label.buddy = workdir
  68     tmp.add_widget(workdir)
  69     layout.add_layout(tmp)
  70
  71     if engine
  72       name.text = engine.name
  73       path.url = KDE::Url.new(engine.path)
  74       workdir.url = KDE::Url.new(engine.workdir)
  75       current = (0...games.count).
  76         map{|i| games.item_data(i).toString }.
  77         index(engine.game.class.data(:id).to_s)
  78       games.current_index = current if current
  79       current = protocols.index(engine.protocol)
  80       type.current_index = current if current
  81     end
  82
  83     self.main_widget = page
  84
  85     name.set_focus
  86
  87     on(:okClicked) do
  88       unless path.text.empty? or name.text.empty?
  89         protocol = type.current_text
  90         game = games.item_data(games.current_index).toString.to_sym
  91         fire :ok => {
  92           :name => name.text,
  93           :protocol => type.current_text,
  94           :game => game,
  95           :path => path.url.path,
  96           :workdir => workdir.url.path }
  97       end
  98     end
  99   end
 100 end
 101
 102 class EnginePrefs < KDE::Dialog
 103   def initialize(loader, parent)
 104     super(parent)
 105     @loader = loader
 106     self.caption = KDE.i18n("Configure Engines")
 107     self.buttons = KDE::Dialog::Ok | KDE::Dialog::Cancel
 108     widget = Qt::Frame.new(self)
 109
 110     layout = Qt::HBoxLayout.new(widget)
 111
 112     @list = Qt::ListView.new(widget)
 113     @list.model = Qt::StringListModel.new(
 114       @loader.map{|name, engine| name }, self)
 115
 116     # save loader state
 117     @engines = { }
 118     @loader.each do |name, engine|
 119       @engines[name] = engine
 120     end
 121
 122     layout.add_widget(@list)
 123
 124     buttons = Qt::VBoxLayout.new
 125     @add_engine = KDE::PushButton.new(
 126       KDE::Icon.new('list-add'), KDE.i18n("&New..."), widget)
 127     buttons.add_widget(@add_engine)
 128     @edit_engine = KDE::PushButton.new(
 129       KDE::Icon.new('configure'), KDE.i18n("&Edit..."), widget)
 130     buttons.add_widget(@edit_engine)
 131     @delete_engine = KDE::PushButton.new(
 132       KDE::Icon.new('list-remove'), KDE.i18n("&Delete"), widget)
 133     buttons.add_widget(@delete_engine)
 134
 135     buttons.add_stretch
 136     layout.add_layout(buttons)
 137
 138     @add_engine.on(:pressed) { add_engine }
 139     @edit_engine.on(:pressed) { edit_engine }
 140     @delete_engine.on(:pressed) { delete_engine }
 141 #     @list.on('itemDoubleClicked(QListWidgetItem*)') { edit_engine }
 142
 143     self.main_widget = widget
 144
 145     on(:okClicked) do
 146       @loader.update_entries(@engines)
 147     end
 148   end
 149
 150   def delete_engine
 151     index = current
 152     if index
 153       @list.model.remove_rows(index.row, 1)
 154     end
 155   end
 156
 157   def add_engine
 158     dialog = EngineData.new(KDE.i18n("New Engine"), self)
 159     dialog.observe(:ok) do |data|
 160       engine = @loader.engine.new(data)
 161       @engines[engine.name] = engine
 162       index = @list.model.row_count
 163       @list.model.insert_rows(index, 1)
 164       @list.model.set_data(@list.model.index(index, 0),
 165                            engine.name,
 166                            Qt::DisplayRole)
 167     end
 168     dialog.exec
 169   end
 170
 171   def edit_engine
 172     index = current
 173     if index
 174       old_name = @list.model.data(index, Qt::DisplayRole).toString
 175       old_engine = @engines[old_name]
 176       dialog = EngineData.new(KDE.i18n("Edit Engine"), self, old_engine)
 177       dialog.observe(:ok) do |data|
 178         engine = @loader.engine.new(data)
 179         if engine.name != old_name
 180           @engines.delete(old_name)
 181         end
 182         @engines[engine.name] = engine
 183         @list.model.set_data(index, engine.name, Qt::DisplayRole)
 184       end
 185       dialog.exec
 186     end
 187   end
 188
 189   def current
 190     indexes = @list.selection_model.selection.indexes
 191     unless indexes.empty?
 192       indexes.first
 193     end
 194   end
 195 end