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Re: How to tell if NSArrayController has a selected CoreData instance?
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Re: How to tell if NSArrayController has a selected CoreData instance?


  • Subject: Re: How to tell if NSArrayController has a selected CoreData instance?
  • From: "Timothy Reaves" <email@hidden>
  • Date: Mon, 28 Sep 2009 21:02:35 -0400 (EDT)
  • Importance: Normal

> On Mon, Sep 28, 2009 at 2:28 PM, Timothy Reaves
> <email@hidden> wrote:
>>        What is the correct way to determine if that proxy represents an
>> actual entity?
>
> If you need to determine if there is a selection, you want to use the
> selectedObjects property.  If you want to bind *through* the
> selection, then you can use the selection property.
>
> --Kyle Sluder
>
>

     Well, I was hoping to bind buttons enabled property.  If I use a
regular NSArray backed controller this works.  And you can't bind (at
least I don't know how) with selectedObjects.  But you can with
selection, and an NSNotNil value transformer.

     Ah well, programatically it is then.



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 >How to tell if NSArrayController has a selected CoreData instance? (From: Timothy Reaves <email@hidden>)
 >Re: How to tell if NSArrayController has a selected CoreData instance? (From: Kyle Sluder <email@hidden>)

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