Re: Boggled By Bindings

FROM : Steven Kramer
DATE : Mon Oct 04 17:09:31 2004

Op 4-okt-04 om 13:56 heeft Patrick Machielse het volgende geschreven:

>
> I have two questions left regarding the NSArrayController
>
> (1)
>
> Why is is that automaticallyNotifiesObserversForKey:@"arrangedObjects"
> returns NO, but I can still successfully bind to 'arrangedObjects'?
>


Because the array controller performs manual notification would be my
guess.

> (2)
>
> Why does
>
>  + (void)initialize
>  {
>    [[self class] setKeys:[NSArray arrayWithObject:@"arrangedObjects"]
>                  triggerChangeNotificationsForDependentKey:@"myKey"];
>  }
>
> not work, _even_ when I override
>
>  + (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key;
>
> to return YES for 'arrangedObjects'?
>
>
> Can any of you bindings-experts clarify this, or should I file a bug
> report?



I admit to a lack of bindings expertice ;-) I ran into the same problem
and ended up setting up an observer in my subclass, as was suggested by
someone else in this thread too, IIRC.

    Steven