Add sub_menu to children

app/models/page.rb

@@ -28,8 +28,20 @@ class Page < Item
   
   def create_parts
     page_design = self.design
+    parent = self.parent
+    menu_part = parent.page_parts.detect{|page_part| page_part.kind.eql?('public_r_tag') && page_part.public_r_tag.eql?('sub_menu') && page_part.public_r_tag_object_id.eql?(parent.id.to_s)}
     page_design.layout.layout_parts.each do |layout_part|
-      self.page_parts.new(:name => layout_part.name) unless self.page_parts.detect{|page_part| page_part.name.eql?(layout_part.name)}
+      current_part = self.page_parts.detect{|page_part| page_part.name.eql?(layout_part.name)}
+      current_part = self.page_parts.build(:name => layout_part.name) unless current_part
+      if menu_part && current_part.name.eql?(menu_part.name)
+        if current_part.new_record?
+          current_part.kind = menu_part.kind
+          current_part.public_r_tag = menu_part.public_r_tag
+          current_part.public_r_tag_object_id = menu_part.public_r_tag_object_id
+        else
+          current_part.update_attributes(:kind => menu_part.kind, :public_r_tag => menu_part.public_r_tag, :public_r_tag_object_id => menu_part.public_r_tag_object_id)
+        end
+      end
     end
   end
   

app/models/page_part.rb

@@ -8,6 +8,7 @@ class PagePart
   field :kind
   field :public_r_tag
   field :public_r_tag_object_id, :default => nil
+  field :public_r_tag_option, :default => nil
   field :widget_path
   
   has_one :i18n_variable, :as => :language_value, :autosave => true, :dependent => :destroy