orbit-basic/app/models/layout.rb

class Layout
   
   include MongoMapper::Document
   
   key :name, String, :required => true, :index => true
   key :description, String
   key_i18n :content, String
   
   many :children, :class_name => "Item", :foreign_key => "layout_id", :dependent => :nullify
   
   validates_format_of :name, :with => /^[0-9a-zA-Z\-_]+$/
   validates_uniqueness_of :name
   
end