nicb/hijack

require 'acts_as_list'

module Hijack

  module OutputDrivers

    module Radiant

      class PageAttachment < ActiveRecord::Base
        belongs_to :asset
        belongs_to :page
        attr_accessor :selected
      
        accepts_nested_attributes_for :asset
        
        acts_as_list :scope => :page_id
        
        def selected?
          !!selected
        end
        
        # a small change to the method in acts_as_list so that we don't override 
        # the position value if it has already been set (as it usually is for new attachments)
        def add_to_list_bottom
          self[position_column] ||= bottom_position_in_list.to_i + 1
        end
        
      end

    end

  end

end