yes no dialog

Rakefile

@@ -9,7 +9,7 @@ require 'rake/testtask'
 
 spec = Gem::Specification.new do |s|
   s.name = 'freightrain'
-  s.version = '0.1.12'
+  s.version = '0.1.13'
   s.has_rdoc = false
   s.summary = 'ruby desktop development made easy'
   s.description = s.summary

lib/freightrain/dialog_helper.rb

@@ -21,6 +21,27 @@ def open_file_dialog(description = "Open file...")
       return result
     end
 
+    def yes_no_dialog(description)
+      raise "toplevel not implemented. If you want to use " +
+             "DialogHelper inside your class you should provide " +
+             "a toplevel widget via the toplevel method" unless respond_to? :toplevel
+        result = false
+        dialog = Gtk::MessageDialog.new(
+        toplevel,
+        Gtk::Dialog::MODAL,
+        Gtk::MessageDialog::QUESTION,
+        Gtk::MessageDialog::BUTTONS_YES_NO,
+        description)
+        dialog.title = "Attenzione!"
+        dialog.secondary_text = "Non sara' possibile recuperare i dati eliminati"
+        dialog.run do |response|
+            result = (response == Gtk::Dialog::RESPONSE_YES)
+        end
+        dialog.destroy
+        return result
+
+    end
+
   end
 
 end

lib/freightrain/rubygnome_extensions/gtk_layout.rb

@@ -53,7 +53,9 @@ def elements=(enumerable)
           @elements << item
           height += 1
         else
-          self.remove(@elements.pop.control)
+          item = self.children.last
+          self.remove(item)
+          @elements.delete_if {|element| element.control == item }
         end
       end
       self.height = @elements.length * @height_factor