Generate and inherit from ApplicationDecorator

lib/generators/draper/model/model_generator.rb

@@ -2,8 +2,9 @@ module Draper
   class ModelGenerator < Rails::Generators::NamedBase
     source_root File.expand_path('../templates', __FILE__)
 
-    def build_model
+    def build_model_and_application_decorators
       empty_directory "app/decorators"
+      template 'application_decorator.rb', 'app/decorators/application_decorator.rb'
       template 'model.rb', "app/decorators/#{singular_name}_decorator.rb"
     end
   end

lib/generators/draper/model/templates/model.rb

@@ -1,18 +1,18 @@
-class <%= singular_name.camelize %>Decorator < Draper::Base
+class <%= singular_name.camelize %>Decorator < ApplicationDecorator
   decorates :<%= singular_name.to_sym %>
 
-  # Helpers from Rails an Your Application
-  #   You can access any helper via a proxy to ApplicationController
+  # Accessing Helpers
+  #   You can access any helper via a proxy
   #
   #   Normal Usage: helpers.number_to_currency(2)
   #   Abbreviated : h.number_to_currency(2)
   #   
-  #   You can optionally enable "lazy helpers" by including this module:
+  #   Or, optionally enable "lazy helpers" by including this module:
   #     include Draper::LazyHelpers
-  #   Then use the helpers with no prefix:
+  #   Then use the helpers with no proxy:
   #     number_to_currency(2)
 
-  # Wrapper Methods
+  # Defining an Interface
   #   Control access to the wrapped subject's methods using one of the following:
   #
   #   To allow only the listed methods (whitelist):
@@ -22,8 +22,11 @@ class <%= singular_name.camelize %>Decorator < Draper::Base
   #     denies :method1, :method2
 
   # Presentation Methods
-  #   Define your own instance methods. Ex:
-  #     def formatted_created_at
-  #       content_tag :span, created_at.strftime("%A")
+  #   Define your own instance methods, even overriding accessors
+  #   generated by ActiveRecord:
+  #   
+  #   def created_at
+  #     content_tag :span, time.strftime("%a %m/%d/%y"), 
+  #                 :class => 'timestamp'
   #   end
 end