radio_group.rb in shoes-swt-4.0.0.pre3

- old
+ new
@@ -1,54 +1,54 @@
-class Shoes
-  module Swt
-    # In Swt radio groups are managed by composites which occupy space 
-    # and can interfere with users interacting with other controls. Here
-    # we simulate radio groups so that they can all be in one composite.
-    class RadioGroup
-      extend Forwardable
-      include Enumerable
-
-      DEFAULT_RADIO_GROUP = "Default Radio Group"
-
-      @group_lookup = Hash.new { |h, k| h[k] = RadioGroup.new(k) }
-
-      attr_reader :name
-      def_delegators :@radio_buttons, :each, :length, :empty?
-
-      def initialize(name = DEFAULT_RADIO_GROUP)
-        @name = name
-        @radio_buttons = []
-        @selection_listeners = []
-      end
-
-      def add(radio_button)
-        return if @radio_buttons.include?(radio_button) 
-        @radio_buttons << radio_button
-
-        selection_listener = SelectionListener.new radio_button do |selected_radio, event|
-          select_only_one_radio_in_group(selected_radio)
-        end
-        @selection_listeners << selection_listener
-        radio_button.real.add_selection_listener selection_listener
-      end
-
-      def remove(radio_button)
-        index = @radio_buttons.index(radio_button)
-        return if index.nil?
-        @radio_buttons.delete_at(index)
-
-        radio_button.real.remove_selection_listener @selection_listeners[index]
-        @selection_listeners.delete_at(index)
-      end
-
-      def self.group_lookup
-        @group_lookup
-      end
-
-      def select_only_one_radio_in_group(selected_radio)
-        @radio_buttons.each do |radio| 
-          radio.real.set_selection(radio == selected_radio) 
-        end
-      end
-    end
-  end
-end
\ No newline at end of file
+class Shoes
+  module Swt
+    # In Swt radio groups are managed by composites which occupy space
+    # and can interfere with users interacting with other controls. Here
+    # we simulate radio groups so that they can all be in one composite.
+    class RadioGroup
+      extend Forwardable
+      include Enumerable
+
+      DEFAULT_RADIO_GROUP = "Default Radio Group"
+
+      @group_lookup = Hash.new { |h, k| h[k] = RadioGroup.new(k) }
+
+      attr_reader :name
+      def_delegators :@radio_buttons, :each, :length, :empty?
+
+      def initialize(name = DEFAULT_RADIO_GROUP)
+        @name = name
+        @radio_buttons = []
+        @selection_listeners = []
+      end
+
+      def add(radio_button)
+        return if @radio_buttons.include?(radio_button)
+        @radio_buttons << radio_button
+
+        selection_listener = SelectionListener.new radio_button do |selected_radio, _event|
+          select_only_one_radio_in_group(selected_radio)
+        end
+        @selection_listeners << selection_listener
+        radio_button.real.add_selection_listener selection_listener
+      end
+
+      def remove(radio_button)
+        index = @radio_buttons.index(radio_button)
+        return if index.nil?
+        @radio_buttons.delete_at(index)
+
+        radio_button.real.remove_selection_listener @selection_listeners[index]
+        @selection_listeners.delete_at(index)
+      end
+
+      class << self
+        attr_reader :group_lookup
+      end
+
+      def select_only_one_radio_in_group(selected_radio)
+        @radio_buttons.each do |radio|
+          radio.real.set_selection(radio == selected_radio)
+        end
+      end
+    end
+  end
+end