BUGFIX Moved SiteTree?->ParentID property to Hierarchy extension (fixes

#5638) (from r105668)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@105786 467b73ca-7a2a-4603-9d3b-597d59a354a9

core/model/Hierarchy.php

@@ -24,6 +24,15 @@ function augmentDatabase() {
 
 	function augmentWrite(&$manipulation) {
 	}
+
+	function extraStatics($class = null) {
+		return array(
+			'has_one' => array(
+				// TODO this method is called *both* statically and on an instance
+				"Parent" => ($class) ? $class : $this->owner->class
+			)
+		);
+	}
 
 	/**
 	 * Returns the children of this DataObject as an XHTML UL. This will be called recursively on each child,

core/model/SiteTree.php

@@ -123,10 +123,6 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 		"CanEditType" => "Inherit"
 	);
 
-	static $has_one = array(
-		"Parent" => "SiteTree"
-	);
-
 	static $versioning = array(
 		"Stage",  "Live"
 	);