class PagePart include Mongoid::Document include Mongoid::Timestamps field :name field :content, localize: true field :kind field :public_r_tag field :public_r_tag_object_id, :default => nil field :public_r_tag_option, :default => nil field :page_title, localize: true field :widget_path field :widget_style field :widget_field , :type => Array field :widget_data_count belongs_to :page belongs_to :module_app before_save :delete_empty_widget_field protected def delete_empty_widget_field if self.widget_field self.widget_field.reject! { |wf| (wf[0].blank? || wf[1].blank?) } end # self.widget_field.delete("") if self.widget_field end end