Thanks for the reply Fritz.

It shows NSArrayController and it is greyed out.  It list two options in the 
drop down,  NSArrayController and NSDictionaryController.  If I try to add my 
controller class's name, IB beeps and won't accept the name.  (I forgot to 
mention in my original post that the "Prepares Content" is checked on the 
attributes page).

I'm sure it is something silly I am doing.

-tony
On Feb 11, 2010, at 11:27 AM, Fritz Anderson wrote:

> On 11 Feb 2010, at 1:20 PM, Tony Romano wrote:
> 
>> Environment:
>> 
>> 1. Core Data, Document based app.
>> 2. UI contains a NSTableView, Add, Remove, ...  
>> 3. NSArrayController.
>> 
>> The App works fine, I can Add/Remove objects, Save/Load Works, Undo Works. 
>> 
>> Problem:
>> 
>> I am trying to override the -(id)newObject  method to change one of the UI 
>> elements in the Window as part of the 'Add' operation.  So, I created a new 
>> class derived from NSArrayController, implemented the newObject method and 
>> it never gets called.  In fact, I've stubbed several other methods of 
>> NSArrayController and NONE of them get called.
>> 
>> What am I missing? 
> 
> The first thing I'd look for is whether you're using your subclass when you 
> instantiate the array controller. I assume you do this in the NIB. When you 
> select the array controller and look at the Identity inspector, what class 
> does it show?
> 
>       — F
> 
> 

-tony


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