On 24 Jun 2010, at 09:56, Keith Duncan wrote:
> > On 24 Jun 2010, at 09:35, [email protected] wrote: > >> 1. NSTreeController items are subclasses of NSTreeNode (see the 10.5 release >> notes). > > This isn't strictly true, from the docs: > > "In Leopard, the arrangedObjects method returns a proxy that responds to the > NSTreeNode methods" > Sorry. What I meant to say was When bound to an NSTreeController, NSOutlineView's row items will be NSTreeNodes > In Leopard the arranged objects weren't actually NSTreeNodes, they simply > conform to the interface of it. The implication being that you can't add > category methods to NSTreeNode and call them on the return value of > -[NSTreeController arrangedObjects]. This is filed as rdar://problem/5438559 > On 10.6 it would seem that -[NSTreeController arrangedItems] are still instances NSTreeControllerTreeNode which is not an NSTreeNode subclass. Instances do seem to respond to other NSTreeNode methods such as -parentNode. Regards Jonathan Mitchell Developer Mugginsoft LLP http://www.mugginsoft.com_______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
