From f843dd56dc4a09bf961244b05957c49cd5757391 Mon Sep 17 00:00:00 2001
From: Andrew O'Neil <andrew@silverstripe.com>
Date: Tue, 4 Sep 2012 14:51:14 +1200
Subject: [PATCH] BUGFIX: Fix site tree filter not showing parents of results
 more than a level deep in the hierachy

---
 code/controllers/CMSSiteTreeFilter.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/code/controllers/CMSSiteTreeFilter.php b/code/controllers/CMSSiteTreeFilter.php
index 3b311a2a..25067baa 100644
--- a/code/controllers/CMSSiteTreeFilter.php
+++ b/code/controllers/CMSSiteTreeFilter.php
@@ -71,13 +71,15 @@ abstract class CMSSiteTreeFilter extends Object {
 				$parents[$pageArr['ParentID']] = true;
 				$this->_cache_ids[$pageArr['ID']] = true;
 			}
-		
-			if(!empty($parents)) {
+
+			while(!empty($parents)) {
 				$q = new SQLQuery();
 				$q->setSelect(array('"ID"','"ParentID"'))
 					->setFrom('"SiteTree"')
 					->setWhere('"ID" in ('.implode(',',array_keys($parents)).')');
 
+				$parents = array();
+
 				foreach($q->execute() as $row) {
 					if ($row['ParentID']) $parents[$row['ParentID']] = true;
 					$this->_cache_ids[$row['ID']] = true;