From dee0abfab9c613855c9145bd189776cc23d92973 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Sun, 30 Aug 2009 15:04:39 -0700
Subject: Use is_descendant() API inside move_to() for clarity.

---
 modules/gallery/libraries/ORM_MPTT.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'modules/gallery/libraries/ORM_MPTT.php')

diff --git a/modules/gallery/libraries/ORM_MPTT.php b/modules/gallery/libraries/ORM_MPTT.php
index a7defba9..9b3e1f2b 100644
--- a/modules/gallery/libraries/ORM_MPTT.php
+++ b/modules/gallery/libraries/ORM_MPTT.php
@@ -212,8 +212,7 @@ class ORM_MPTT_Core extends ORM {
    * @return  ORM_MTPP
    */
   function move_to($target) {
-    if ($this->left_ptr <= $target->left_ptr &&
-        $this->right_ptr >= $target->right_ptr) {
+    if ($this->is_descendant($target)) {
       throw new Exception("@todo INVALID_TARGET can't move item inside itself");
     }
 
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