module ActiveAdmin
  class BaseController < ::InheritedResources::Base
    module Menu
      extend ActiveSupport::Concern

      included do
        before_filter :set_current_tab
        helper_method :current_menu
      end

      protected

      def current_menu
        active_admin_config.namespace.menu
      end

      # Set's @current_tab to be name of the tab to mark as current
      # Get's called through a before filter
      def set_current_tab
        @current_tab = if active_admin_config.belongs_to? && parent?
          active_admin_config.belongs_to_config.target.menu_item_name
        else
          [active_admin_config.parent_menu_item_name, active_admin_config.menu_item_name].compact.join("/")
        end
      end        

    end
  end
end