Unobserved Changes
Unobserved Changes
- Subject: Unobserved Changes
- From: "Jason Barker" <email@hidden>
- Date: Fri, 22 Feb 2008 02:45:06 -0700
Hi everyone,
I have a Container object that has a Characteristics object which, in turn,
has a NSMutableArray ("myarray") object. I also have a ContainerController
object that I want to set up to observe changes to the NSMutableArray
object. In the ContainerController, I have a line of code:
[container addObserver: self forKeyPath: @"characteristics.myarray" options:
0 context: NULL];
I have a NSArrayController object set up to manage changes by a user to the
NSMutableArray object through a table view. I also have a button that, when
clicked, adds a row to the table. Such a change to the array does not seem
to be sending a "changed" message to the observer (the ContainerController
object). I am pretty sure that I've followed the KVO criteria regarding this
array object. How should I set this up so that my ContainerController object
will be notified when an element is added to the array?
Thanks,
Jason
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