module Admin::FrontendWidgetInterface

protected
  def get_categories_and_tags
    unless @selected[:module_app].nil?
      @categories = @selected[:module_app].categories 
      @tags = @selected[:module_app].tags
    end
  end

  def get_frontend_data_count
    local_item = set_local_item
    @page_frontend_data_counts = @selected[:module_app].get_registration.get_data_count rescue []
    @selected[:page_frontend_data_count] = case local_item
      when  PagePart
        local_item.widget_data_count
      when  Page
        local_item.frontend_data_count
    end
  end

  def clean_tags_and_category_params
    field_name = set_field_name
    if self.class==Admin::PagePartsController and params[field_name][:module_app].blank?
      params[field_name][:module_app] = nil
    end
    if params[field_name][:tag].nil? || params[field_name][:tag].include?("nil")
      params[field_name][:tag] = []
    end

    if params[field_name][:category].nil? || params[field_name][:category].include?("nil")
      params[field_name][:category] = []
    end       
  end  #of clean_tags_and_category_params

  def set_local_item
    local_item = @part 
    local_item = @item if local_item.nil? && @item
    local_item
  end

  def set_field_name
    case self.class.to_s
    when "Admin::PagesController"
       return "page"
    when "Admin::PagePartsController"
      return  "page_part"
    end # of  case
  end

  def select_array_for_app_frontend_urls(hash)
    ary =  hash.collect{|name,data| [I18n.t(data["i18n"]),name]}
    ary << [I18n.t('default_widget.name'),'default_widget'] if @selected[:module_app] and @selected[:module_app].has_default_widget? 
    ary
  end


end