Fixed that partial rendering should look at the type of the first render to determine its own type if no other clues are available (like when using text.plain.erb as the extension in AM) (closes #10130) [java] Fixed that partials would be broken when using text.plain.erb as the extension #10130 [java]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8166 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

2 files changed, 12 insertions, 2 deletions

diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 30367bebc0..f6d0a8be81 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Fixed that partial rendering should look at the type of the first render to determine its own type if no other clues are available (like when using text.plain.erb as the extension in AM) #10130 [java]
+
 * Fixed that has_many :through associations should render as collections too #9051 [mathie/danger]
 
 * Added :mouseover short-cut to AssetTagHelper#image_tag for doing easy image swaps #6893 [joost]
diff --git a/actionpack/lib/action_view/base.rb b/actionpack/lib/action_view/base.rb
index 40d7c11509..81a8299e91 100644
--- a/actionpack/lib/action_view/base.rb
+++ b/actionpack/lib/action_view/base.rb
@@ -287,7 +287,7 @@ module ActionView #:nodoc:
             raise ActionViewError, "No #{template_handler_preferences.to_sentence} template found for #{template_path} in #{view_paths.inspect}"
           end
           template_file_name = full_template_path(template_path, template_extension)
-          template_extension = template_extension.gsub(/^\w+\./, '') # strip off any formats
+          template_extension = template_extension.gsub(/^.+\./, '') # strip off any formats
         end
       else
         template_file_name = template_path
@@ -490,7 +490,9 @@ module ActionView #:nodoc:
 
       # Determines the template's file extension, such as rhtml, rxml, or rjs.
       def find_template_extension_for(template_path)
-        find_template_extension_from_handler(template_path, true) || find_template_extension_from_handler(template_path)
+        find_template_extension_from_handler(template_path, true) ||
+        find_template_extension_from_handler(template_path) ||
+        find_template_extension_from_first_render()
       end
 
       def find_template_extension_from_handler(template_path, formatted = nil)
@@ -511,6 +513,12 @@ module ActionView #:nodoc:
         end
         nil
       end
+      
+      # Determine the template extension from the <tt>@first_render</tt> filename
+      def find_template_extension_from_first_render
+        extension = @first_render.to_s.sub /^\w+\.?/, ''
+        extension.blank? ? nil : extension
+      end
 
       # This method reads a template file.
       def read_template_file(template_path, extension)