From ddd85ef9c6a6297a8ff28816d907bbbf2eae5856 Mon Sep 17 00:00:00 2001
From: artemave <artemave@gmail.com>
Date: Fri, 17 Sep 2010 20:39:14 +0000
Subject: #948 template_inheritance

---
 actionpack/lib/abstract_controller/layouts.rb   |  4 ++--
 actionpack/lib/abstract_controller/rendering.rb | 16 ++++++++++++----
 2 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'actionpack/lib/abstract_controller')

diff --git a/actionpack/lib/abstract_controller/layouts.rb b/actionpack/lib/abstract_controller/layouts.rb
index 606f7eedec..4ee54474cc 100644
--- a/actionpack/lib/abstract_controller/layouts.rb
+++ b/actionpack/lib/abstract_controller/layouts.rb
@@ -265,11 +265,11 @@ module AbstractController
           raise ArgumentError, "Layouts must be specified as a String, Symbol, false, or nil"
         when nil
           if name
-            _prefix = "layouts" unless _implied_layout_name =~ /\blayouts/
+            _prefixes = _implied_layout_name =~ /\blayouts/ ? [] : ["layouts"]
 
             self.class_eval <<-RUBY, __FILE__, __LINE__ + 1
               def _layout
-                if template_exists?("#{_implied_layout_name}", #{_prefix.inspect})
+                if template_exists?("#{_implied_layout_name}", #{_prefixes.inspect})
                   "#{_implied_layout_name}"
                 else
                   super
diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb
index 91b75273fa..06f4441609 100644
--- a/actionpack/lib/abstract_controller/rendering.rb
+++ b/actionpack/lib/abstract_controller/rendering.rb
@@ -114,9 +114,17 @@ module AbstractController
       view_context.render(options)
     end
 
-    # The prefix used in render "foo" shortcuts.
-    def _prefix
-      controller_path
+    # The prefixes used in render "foo" shortcuts.
+    def _prefixes
+      prefixes = [controller_path]
+      parent_controller = self.class.superclass
+
+      until parent_controller.abstract?
+        prefixes << parent_controller.controller_path
+        parent_controller = parent_controller.superclass
+      end
+
+      prefixes
     end
 
     private
@@ -156,7 +164,7 @@ module AbstractController
       end
 
       if (options.keys & [:partial, :file, :template, :once]).empty?
-        options[:prefix] ||= _prefix
+        options[:prefixes] ||= _prefixes
       end
 
       options[:template] ||= (options[:action] || action_name).to_s
-- 
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