1 files changed, 29 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/components.rb b/actionpack/lib/action_controller/components.rb
new file mode 100644
index 0000000000..681c7b6d9a
--- /dev/null
+++ b/actionpack/lib/action_controller/components.rb
@@ -0,0 +1,29 @@
+module ActionController #:nodoc:
+  module Components #:nodoc:
+    def self.append_features(base)
+      super
+      base.helper { def render_component(options) @controller.send(:component_response, options).body end }
+    end
+
+    protected
+      def render_component(options = {}) #:doc:
+        response = component_response(options)
+        render_text(response.body, response.response_code)
+      end
+  
+    private
+      def component_response(options)
+        component_class(options).process(component_request(options), @response)
+      end
+    
+      def component_class(options)
+        options[:controller] ? (options[:controller].camelize + "Controller").constantize : self
+      end
+      
+      def component_request(options)
+        component_request = @request.dup
+        component_request.send(:instance_variable_set, :@parameters, options[:params].merge({ "controller" => options[:controller], "action" => options[:action] }))
+        component_request
+      end
+  end
+end