Re: 'Raises For Not Applicable Keys' not enough to step exception raises?
Re: 'Raises For Not Applicable Keys' not enough to step exception raises?
- Subject: Re: 'Raises For Not Applicable Keys' not enough to step exception raises?
- From: Keary Suska <email@hidden>
- Date: Tue, 06 May 2008 14:03:39 -0600
- Thread-topic: 'Raises For Not Applicable Keys' not enough to step exception raises?
on 5/6/08 9:51 AM, email@hidden purportedly said:
> I have an app that uses an NSOutlineView bound to an NSTreeController in
> entity mode. The tree controller matches all 'Shape' entities, but
> there are also sub-entities named 'Square' and 'Circle'. I have a
> master-detail UI. All 'Shapes' have a 'name' attribute and there is no
> problem there. Only 'Circle' has a 'radius' attribute however, and I
> want to show this in a textfield. I've bound the textfield and
> unchecked the 'Raises For Not Applicable Keys'.
>
> The problem is that I'm still getting an NSException raised. It's
> raised from [Circle valueForUndefinedKey:]. 'Circle' is an
> NSManagedObject subclass.
>
> Does one also have to implement valueForUndefinedKey: in this
> situation? I thought removing 'Raises For Not Applicable Keys' was
> supposed to be sufficient.
I think you also have to specify a "Not Applicable" placeholder as
well--have you done that?
HTH,
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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