Mark Rickerby 9bf204d8f1 update to resolve #2653 - ensure getParent casts to correct subclass (always worked) and ensure setParent resolves valid ID of passed in object before updating its ParentID.
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@57950 467b73ca-7a2a-4603-9d3b-597d59a354a9
2008-07-14 11:09:44 +00:00
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