Added a bit of AJAX on the SCM browser (tree view).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@862 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -56,7 +56,11 @@ class RepositoriesController < ApplicationController
   
   def browse
     @entries = @repository.entries(@path, @rev)
-    show_error and return unless @entries    
+    if request.xhr?
+      @entries ? render(:partial => 'dir_list_content') : render(:nothing => true)
+    else
+      show_error unless @entries
+    end
   end
   
   def changes