Thanks a lot for your explanation :-)
Cheers,
Jochen
Am 04.06.2008 um 11:21 schrieb Ken Thomases:
On Jun 4, 2008, at 3:18 AM, Jochen Moeller wrote:
I already read this link and thought that the NSArrayController
"Mailbox" represents this intervening NSController between the
model object and the table view because the table view is not bound
direct to the model or a custom controller. To reformulate my
question - Why is a second intervening NSController in form of an
NSObjectController useful?
I believe (although I'm not certain) that it allows a single place
to send the -commitEditing message to commit the editing of all
relevant views, chained through the array controllers. Without that
single object controller, you'd have to send -commitEditing to each
of the array controllers separately.
Also, there's no downside to using the NSObjectController. It may
have just been the author's habit. It might be considered future-
proofing.
As you note, it's not strictly necessary in that example.
Regards,
Ken
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