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NSArrayController inside NSTreeController?

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NSArrayController inside NSTreeController?

Subject: NSArrayController inside NSTreeController?
From: David Catmull <email@hidden>
Date: Wed, 4 Nov 2009 08:23:20 -0800

How would I use an NSArrayController to provide the content of one of the child items in an NSTreeController?

This is for a NSOutlineView source view, and each group in the source view contains different kinds of items. In some cases, I want them to be Core Data items, so the easiest way to manage that is to use an array controller.

I tried returning the array controller's arrangedObjects as the children of a group object, but when items are added they don't appear in the source view. I'm not sure where to go from there.

--
David Catmull
email@hidden
http://www.uncommonplace.com/

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