1 files changed, 67 insertions, 0 deletions
diff --git a/core/addon/settings/multiselect.rb b/core/addon/settings/multiselect.rb
new file mode 100644
index 00000000..c17b3355
--- /dev/null
+++ b/core/addon/settings/multiselect.rb
@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+require File.expand_path File.join(File.dirname(__FILE__), 'builder')
+require File.expand_path File.join(File.dirname(__FILE__), 'select')
+
+class Plugin::Setting::MultiSelect < Plugin::Setting::Select
+
+  # optionメソッドで追加された項目をウィジェットに組み立てる
+  # ==== Args
+  # [label] ラベル。文字列。
+  # [config] 設定のキー
+  # ==== Return
+  # ウィジェット
+  def build(label, config)
+    if has_widget?
+      group = Gtk::Frame.new.set_border_width(8)
+      group.set_label(label)
+      group.add(build_box(Plugin::Setting::Listener[config]))
+      group
+    else
+      group = Gtk::Frame.new.set_border_width(8).
+        set_label(label)
+      box = Plugin::Setting.new.set_border_width(4).
+        closeup(build_combobox(Plugin::Setting::Listener[config]))
+      group.add(box)
+    end end
+
+  private
+
+  def build_box(listener)
+    box = Gtk::VBox.new
+
+    options = @options
+    box.instance_eval{
+      options.each{ |value, face|
+        if face.is_a? String
+          closeup check = Gtk::CheckButton.new(face)
+        elsif face.is_a? Plugin::Setting
+          container = Gtk::HBox.new
+          check = Gtk::CheckButton.new
+          closeup container.closeup(check).add(face)
+        end
+        check.signal_connect('toggled'){ |widget|
+        if widget.active?
+          listener.set((listener.get || []) + [value])
+        else
+          listener.set((listener.get || []) - [value]) end
+          face.sensitive = widget.active? if face.is_a? Gtk::Widget }
+        check.active = (listener.get || []).include? value
+        face.sensitive = check.active? if face.is_a? Gtk::Widget } }
+    box end
+
+  # すべてテキストなら、コンボボックスで要素を描画する
+  def build_combobox(listener)
+    container = Gtk::VBox.new
+    sorted = @options.map{ |o| o.first }.sort_by(&:to_s).freeze
+    state = listener.get || []
+    sorted.each{ |node|
+      check = Gtk::CheckButton.new(@options.assoc(node).last)
+      check.active = state.include?(node)
+      check.signal_connect('toggled'){ |widget|
+        if widget.active?
+          listener.set((listener.get || []) + [node])
+        else
+          listener.set((listener.get || []) - [node]) end }
+      container.closeup check }
+    container end
+end