Fix page update issue, frontend faild to load widget after changing module

app/controllers/admin/pages_controller.rb

@@ -36,6 +36,26 @@ class Admin::PagesController < Admin::ItemsController
       @item.page_contexts.build(:create_user_id => current_user.id, :update_user_id => current_user.id )
     end
     if @item.update_attributes(params[:page])
+      unless params[:page]['frontend_field'].nil?
+        frontend_class = []
+        frontend_field_name = []
+        frontend_sat_to_link = []
+
+        params[:page]['frontend_field'].each do |field|
+          frontend_class << field['class']
+          frontend_field_name << field['field_name']
+          frontend_sat_to_link << field['sat_to_link']
+        end
+
+        @item['frontend_class'] = frontend_class
+        @item['frontend_field_name'] = frontend_field_name
+        @item['frontend_sat_to_link'] = frontend_sat_to_link
+      end
+      
+      @item['tag'] = params[:page]['tag'] == nil ?  [] : params[:page]['tag']
+
+      @item.save
+
       render 'admin/items/reload_items'
     else
       @error = error_messages_for(@item)