Volker,
I have tried using the below code to add my self as an observer then trigger an
action but it doesn't work.
- awakeFromNib {
[self addObserver: self
forKeyPath: @name
options: NSKeyValueObservingOptionNew
context: NULL];
}
-(id)init {
On Tue, Oct 6, 2009 at 11:32 PM, Joshua Garnham
joshua.garn...@yahoo.co.uk wrote:
- awakeFromNib {
Okay, step 1: what the heck object is this? NSManagedObjects aren't
going to have -awakeFromNib called on them (and you mustn't override
their initializers) so it can't be one of those. Yet
Hi,
you call addObserver on that CoreData object - which is a regular
NSObject descendant anyway. So just as for every other NSObject you
want to observe a property of. In case of CoreData objects you have to
deal with it differently than with objects you create your self in
your code
hi,
which Kyle told you has nothing in common with a managedobject nor was
it clear how that code was used.
You have to call addObserver on the managed object and add the object
that has to observe as observer. It really depends on your setup where
to add what best. There exist a couple
Hi.
Is this any better? See bewlo, and in addition: Did it work? It
shouldn't have worked :-/
On NSManagedObject side:
According to Apple the initWithEntity should not be overridden (http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/CoreData/Articles/cdCreateMOs.html
)
Hi,
awakeFromFetch is only called when the object is loaded from the
persistent store (=fetched). So all newly inserted objects are not
observed.
this might be one reason for not getting triggered for rows 2/3 if
they were not fetched but created. Otherwise I have no idea why it
Folks,
Would you mind keeping this discussion either on- or off-list? It's
kind of like listening to half of a telephone conversation. :-)
--Kyle Sluder
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Hi,
That works now, Thanks Very Much!!!
Josh.
From: Volker in Lists volker_li...@ecoobs.de
To: Joshua Garnham joshua.garn...@yahoo.co.uk
Cc: cocoa-dev@lists.apple.com
Sent: Wednesday, 7 October, 2009 18:04:59
Subject: Re: Triggering a Method when a Core Data
Josh,
depending on where you need to get a notification:
a) within the same NSManagedObject or a relationship:
