On 06/11/2009, at 5:38 AM, Fritz Anderson wrote: > Here is what I did, for a small tree: My document keeps the root object as a > KVO property -- I do not rely on a fetch. > > I declare classes for my tree-element entities. so I could implement a > method, -(NSArray *)orderedChildren, to return the "children" set, sorted as > needed. > > I exposed the document (and thus, indirectly, the root) through an > NSObjectController. > > I bound the tree controller's content _array_ to that root object's > orderedChildren key. (Document NSObjectController -> root.orderedChildren). > Members of the content array appear as top-level nodes in the outline. > > My tree has constant structure, so I can't make any comment on mutation.
Hi Fritz, Thanks for this pointer. Unfortunately, while this works great for a static tree, it fails when you try to mutate the tree objects. :-/ -- Rob Keniger _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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 arch...@mail-archive.com
