Fix Item_Model::get_position() so that our sort is stable when the comparison

row has a null value in the sort field.  Fix for #627

Note: this changes get_position() to take an Item_Model instead of an id!

1 files changed, 1 insertions, 1 deletions

diff --git a/modules/gallery/controllers/photos.php b/modules/gallery/controllers/photos.php
index 79ad674a..e6154535 100644
--- a/modules/gallery/controllers/photos.php
+++ b/modules/gallery/controllers/photos.php
@@ -25,7 +25,7 @@ class Photos_Controller extends Items_Controller {
   public function _show($photo) {
     access::required("view", $photo);
 
-    $position = $photo->parent()->get_position($photo->id);
+    $position = $photo->parent()->get_position($photo);
     if ($position > 1) {
       list ($previous_item, $ignore, $next_item) =
         $photo->parent()->children(3, $position - 2);