From bccd2f8e512c9cd9b7a9ee038aa00b0cd390abad Mon Sep 17 00:00:00 2001
From: Mateusz Uzdowski <mateusz@silverstripe.com>
Date: Fri, 17 May 2013 14:57:17 +1200
Subject: [PATCH] API Add a missing alternatePreviewLink hook for SiteTree
 extensions.

---
 code/model/SiteTree.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/code/model/SiteTree.php b/code/model/SiteTree.php
index 89a2d300..0d5d39e2 100644
--- a/code/model/SiteTree.php
+++ b/code/model/SiteTree.php
@@ -446,7 +446,11 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 	 * @return string
 	 */
 	public function PreviewLink($action = null) {
-		return $this->AbsoluteLink($action);
+		if($this->hasMethod('alternatePreviewLink')) {
+			return $this->alternatePreviewLink($action);
+		} else {
+			return $this->AbsoluteLink($action);
+		}
 	}
 	
 	/**