meta_helper.rb

module MetaHelper
  
  # include this anywhere you want to refer to the model, controller, etc., generically
  # all methods are prefixed with x_ to avoid name clashes with existing methods
  
  def x_controller_class ; self.class ; end
  def x_controller_name ; self.class.name.underscore.gsub('_controller', '') ; end
  def x_model_name ; x_controller_name.singularize ; end
  def x_model_class ; x_model_name.camelize.constantize ; end
  def x_mailer_name ; x_model_name + "_mailer" ; end
  def x_mailer_class ; x_mailer_name.camelize.constantize ; end
  def x_instance ; instance_variable_get( "@#{x_model_name}" ) ; end
  def x_collection ; instance_variable_get( "@#{x_model_name.pluralize}" ) ; end
  def x_find( id ) ; instance_variable_set( "@#{x_model_name}", x_model_class.find( id ) ) ; end
  def x_find_all ; instance_variable_set( "@#{x_model_name.pluralize}", x_model_class.find( :all ) ) ; end
  def t( key, options = {} ) 
    I18n.t( 
      ( key =~ /^\./ ? "#{x_controller_name}.#{params[:action]}#{key}" : key ), 
      options )
  end
  
end