require 'active_support/lazy_load_hooks' require 'awesome_nested_set/awesome_nested_set' ActiveSupport.on_load(:active_record) do ActiveRecord::Base.send :extend, CollectiveIdea::Acts::NestedSet end ActiveSupport.on_load(:action_view) do require 'awesome_nested_set/helper' ActionView::Base.send :include, CollectiveIdea::Acts::NestedSet::Helper end