acts_as_admin.rb

module ActsAsAdmin
  def self.included(base)
    base.extend ClassMethods
  end

  module ClassMethods
    def acts_as_admin
      layout lambda{ |c|
        if c.request.xhr?
          nil
        else
          'admin2'
        end
      }
      #ACL 9 rules here
      before_filter :require_user

      access_control do
        allow :admin
      end
    end
  end
end