Merge branch 'abstract_controller' of git@github.com:wycats/rails into abstract_controller

2 files changed, 40 insertions, 11 deletions

diff --git a/actionpack/lib/action_controller/abstract/layouts.rb b/actionpack/lib/action_controller/abstract/layouts.rb
index 29b610610f..20c9abb9e5 100644
--- a/actionpack/lib/action_controller/abstract/layouts.rb
+++ b/actionpack/lib/action_controller/abstract/layouts.rb
@@ -6,7 +6,34 @@ module AbstractController
     end
     
     module ClassMethods
-      def _layout() end
+      def layout(layout)
+        unless [String, Symbol, FalseClass, NilClass].include?(layout.class)
+          raise ArgumentError, "Layouts must be specified as a String, Symbol, false, or nil"
+        end
+        
+        @layout = layout || false # Converts nil to false
+      end
+      
+      def _write_layout_method
+        case @layout
+        when String
+          self.class_eval %{def _layout() #{@layout.inspect} end}
+        when Symbol
+          self.class_eval %{def _layout() #{@layout} end}
+        when false
+          self.class_eval %{def _layout() end}
+        else
+          self.class_eval %{
+            def _layout
+              if view_paths.find_by_parts?("#{controller_path}", formats, "layouts")
+                "#{controller_path}"
+              else
+                super
+              end
+            end
+          }
+        end
+      end
     end
     
     def _render_template(template, options)
@@ -14,6 +41,8 @@ module AbstractController
     end
         
   private
+  
+    def _layout() end # This will be overwritten
     
     def _layout_for_option(name)
       case name
@@ -28,16 +57,7 @@ module AbstractController
     end
     
     def _default_layout(require_layout = false)
-      # begin
-      #   _layout_for_name(controller_path)
-      # rescue ActionView::MissingTemplate
-      #   begin
-      #     _layout_for_name("application")
-      #   rescue ActionView::MissingTemplate => e
-      #     raise e if require_layout
-      #   end
-      # end
-      _layout_for_option(self.class._layout)
+      _layout_for_option(_layout)
     end
   end
 end
\ No newline at end of file
diff --git a/actionpack/lib/action_view/paths.rb b/actionpack/lib/action_view/paths.rb
index 2a1ba3e895..6c6d2ff979 100644
--- a/actionpack/lib/action_view/paths.rb
+++ b/actionpack/lib/action_view/paths.rb
@@ -46,6 +46,15 @@ module ActionView #:nodoc:
       extension ||= []
       raise ActionView::MissingTemplate.new(self, "#{prefix}/#{path}.{#{extension.join(",")}}")
     end
+    
+    def find_by_parts?(path, extension = nil, prefix = nil, partial = false)
+      template_path = path.sub(/^\//, '')
+
+      each do |load_path|
+        return true if template = load_path.find_by_parts(template_path, extension, prefix, partial)
+      end      
+      false
+    end
 
     def find_template(original_template_path, format = nil)
       return original_template_path if original_template_path.respond_to?(:render)