diff options
Diffstat (limited to 'actionpack/lib/action_controller/base.rb')
| -rw-r--r-- | actionpack/lib/action_controller/base.rb | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb index 67d261db77..9941c06201 100644 --- a/actionpack/lib/action_controller/base.rb +++ b/actionpack/lib/action_controller/base.rb @@ -2,6 +2,21 @@ require "action_controller/log_subscriber" require "action_controller/metal/params_wrapper" module ActionController + # The <tt>metal</tt> anonymous class was introduced to solve issue with including modules in <tt>ActionController::Base</tt>. + # Modules needes to be included in particluar order. First wee need to have <tt>AbstractController::Rendering</tt> included, + # next we should include actuall implementation which would be for example <tt>ActionView::Rendering</tt> and after that + # <tt>ActionController::Rendering</tt>. This order must be preserved and as we want to have middle module included dynamicaly + # <tt>metal</tt> class was introduced. It has <tt>AbstractController::Rendering</tt> included and is parent class of + # <tt>ActionController::Base</tt> which includes <tt>ActionController::Rendering</tt>. If we include <tt>ActionView::Rendering</tt> + # beetween them to perserve the required order, we can simply do this by: + # + # ActionController::Base.superclass.send(:include, ActionView::Rendering) + # + metal = Class.new(Metal) do + include AbstractController::Rendering + include ActionController::BasicRendering + end + # Action Controllers are the core of a web request in \Rails. They are made up of one or more actions that are executed # on request and then either it renders a template or redirects to another action. An action is defined as a public method # on the controller, which will automatically be made accessible to the web-server through \Rails Routes. @@ -160,7 +175,7 @@ module ActionController # render action: "overthere" # won't be called if monkeys is nil # end # - class Base < Metal + class Base < metal abstract! # We document the request and response methods here because albeit they are @@ -200,7 +215,6 @@ module ActionController end MODULES = [ - AbstractController::Layouts, AbstractController::Translation, AbstractController::AssetPaths, |