Make rjs templates always implicitly skip out on layouts.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3084 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Make rjs templates always implicitly skip out on layouts. [Marcel Molina Jr.]
+
 * Correct length for the truncate text helper.  #2913 [Stefan Kaes]
 
 * Update to Prototype 1.4.0_rc3. Closes #1893, #2505, #2550, #2748, #2783. [Sam Stephenson]

actionpack/lib/action_controller/base.rb

@@ -637,10 +637,11 @@ def render_to_string(options = nil) #:doc:
       end    
 
       def render_action(action_name, status = nil, with_layout = true)
-        if with_layout
-          render_with_layout(default_template_name(action_name), status)
+        template = default_template_name(action_name)
+        if with_layout && !template_exempt_from_layout?(template) 
+          render_with_layout(template, status)
         else
-          render_with_no_layout(default_template_name(action_name), status)
+          render_without_layout(template, status)
         end
       end
 
@@ -919,6 +920,10 @@ def template_public?(template_name = default_template_name)
         @template.file_public?(template_name)
       end
 
+      def template_exempt_from_layout?(template_name = default_template_name)
+        @template.javascript_template_exists?(template_name)
+      end
+
       def assert_existance_of_template_file(template_name)
         unless template_exists?(template_name) || ignore_missing_templates
           full_template_path = @template.send(:full_template_path, template_name, 'rhtml')

actionpack/lib/action_controller/layout.rb

@@ -229,11 +229,13 @@ def render_with_a_layout(options = nil, deprecated_status = nil, deprecated_layo
 
     private
       def apply_layout?(template_with_options, options)
-        if template_with_options
-          (options.has_key?(:layout) && options[:layout]!=false) || options.values_at(:text, :file, :inline, :partial, :nothing).compact.empty?
-        else
-          true
-        end
+        template_with_options ?  candidate_for_layout?(options) : !template_exempt_from_layout?
+      end
+
+      def candidate_for_layout?(options)
+        (options.has_key?(:layout) && options[:layout] != false) || 
+        options.values_at(:text, :file, :inline, :partial, :nothing).compact.empty? &&
+        !template_exempt_from_layout?(default_template_name(options[:action]))
       end
 
       def pick_layout(template_with_options, options, deprecated_layout)

actionpack/test/controller/new_render_test.rb

@@ -192,7 +192,8 @@ def determine_layout
              "partial_only", "partial_only_with_layout",
              "accessing_params_in_template",
              "accessing_params_in_template_with_layout",
-             "render_with_explicit_template"
+             "render_with_explicit_template",
+             "test_rendering_rjs_action_explicitly"
           "layouts/standard"
         when "builder_layout_test"
           "layouts/builder"