1 files changed, 31 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/auto_complete.rb b/actionpack/lib/action_controller/auto_complete.rb
new file mode 100644
index 0000000000..606f43b350
--- /dev/null
+++ b/actionpack/lib/action_controller/auto_complete.rb
@@ -0,0 +1,31 @@
+module ActionController
+  # Example:
+  #
+  #   # Controller
+  #   class BlogController < ApplicationController
+  #     auto_complete_for :post, :title
+  #   end
+  #
+  #   # View
+  #   <%= text_field_with_auto_complete :post, title %>
+  module AutoComplete
+    def self.append_features(base) #:nodoc:
+      super
+      base.extend(ClassMethods)
+    end
+
+    module ClassMethods
+      def auto_complete_for(object, method)
+        define_method("auto_complete_for_#{object}_#{method}") do
+          @items = object.to_s.camelize.constantize.find(
+            :all, 
+            :conditions => [ "LOWER(#{method}) LIKE ?", '%' + request.raw_post.downcase + '%' ], 
+            :order => "#{method} ASC"
+          )
+
+          render :inline => "<%= auto_complete_result @items, '#{method}' %>"
+        end
+      end
+    end
+  end
+end
+\ No newline at end of file