Add sub_menu in r_tags

app/assets/javascripts/page_edit.js

@@ -24,6 +24,10 @@ $("#module_app_list select").live('change', function() {
 	$.getScript($(this).attr('rel') + '/' + $(this).val() + '/reload_widgets');
 });
 
+$("#tag_list select").live('change', function() {
+	$.getScript($(this).attr('rel') + '/' + $(this).val() + '/reload_r_tag_options');
+});
+
 $('.part_kind').live('click', function() {
 	$('.part_kind_partial').hide();
 	$('#part_' + $(this).attr('value')).show();

app/controllers/admin/page_parts_controller.rb

@@ -25,7 +25,7 @@ class Admin::PagePartsController < ApplicationController
     @module_apps = ModuleApp.all(:conditions => {:enable_frontend => true})
     @module_app = @part.module_app ? @part.module_app : @module_apps[0]
     @r_tag = @part.public_r_tag.blank? ? LIST[:public_r_tags][0] : @part.public_r_tag
-    @tag_objects = @r_tag.classify.constantize.all
+    @tag_objects = @r_tag.classify.constantize.all rescue nil
       case @module_app.key
         when 'bulletin'
           @categories =  BulletinCategory.all
@@ -74,5 +74,13 @@ class Admin::PagePartsController < ApplicationController
       format.js  {}
     end
   end
+
+  def reload_r_tag_options
+    @r_tag = (ModuleApp.find(params[:id]) rescue nil) || params[:id]
+    @tag_objects = @r_tag.classify.constantize.all rescue nil
+    respond_to do |format|
+      format.js  {}
+    end
+  end
   
 end

app/models/page_part.rb

@@ -7,7 +7,7 @@ class PagePart
   field :content
   field :kind
   field :public_r_tag
-  field :public_r_tag_object_id, :type => BSON::ObjectId, :default => nil
+  field :public_r_tag_object_id, :default => nil
   field :widget_path
   
   has_one :i18n_variable, :as => :language_value, :autosave => true, :dependent => :destroy

app/views/admin/page_parts/_public_r_tag.html.erb

@@ -1,7 +1,11 @@
 <span id='tag_list'>
-	<%= f.select :public_r_tag, LIST[:public_r_tags].collect{|tag| [t(tag), tag]}, :selected => @r_tag %>
+	<%= f.select :public_r_tag, LIST[:public_r_tags].collect{|tag| [t(tag), tag]}, {:selected => @r_tag}, {:rel => admin_page_parts_path}  %>
 </span>
 
 <span id='name_list'>
-	<%= f.select :public_r_tag_object_id, options_from_collection_for_select(@tag_objects, :id, :title, :selected => @part.public_r_tag_object_id) %>
+	<% if @r_tag.eql?('sub_menu') %>
+		<%= f.select :public_r_tag_object_id, options_for_select([t(:horizontal), t(:vertical)], t(:horizontal)) %>
+	<% else %>
+		<%= f.select :public_r_tag_object_id, options_from_collection_for_select(@tag_objects, :id, :title, :selected => @part.public_r_tag_object_id) %>
+	<% end %>
 </span>

app/views/admin/page_parts/reload_r_tag_options.js.erb

@@ -0,0 +1,5 @@
+<% if @r_tag.eql?('sub_menu') %>
+	$('#name_list select').html("<%= j options_for_select(t(:horizontal) => :horizontal, t(:vertical) => :vertical) %>")
+<% else %>
+	$('#name_list select').html("<%= j options_from_collection_for_select(@tag_objects, :id, :title) %>")
+<% end %>