Re: Debugging NSWindowController and NSArrayController
Re: Debugging NSWindowController and NSArrayController
- Subject: Re: Debugging NSWindowController and NSArrayController
- From: Keary Suska <email@hidden>
- Date: Wed, 11 Apr 2012 13:41:54 -0600
On Apr 11, 2012, at 11:49 AM, Rui Pacheco wrote:
> Prepares content is checked, Uses lazy fetching is not - setting it doesn't change anything. I called -fetch: on gdb and the result was nil. managedObjects returns an empty array.
Have you verified that the array controller is using the same MOC that you use in your -init and -windowDidLoad?
> On 11 April 2012 19:12, Keary Suska <email@hidden> wrote:
> On Apr 11, 2012, at 7:04 AM, Rui Pacheco wrote:
>
> > Hi,
> >
> > I have an NSWindowController that creates an instance of
> > NSManagedObjectContext. That window controller loads a NIB that has a table
> > populated by an NSArrayController bound to the MOC in the window
> > controller. This was done via Interface Builder. The array controller is
> > set to retrieve Entities of type X.
> >
> > On the init method of my window controller I add an object of type X to the
> > MOC and I can see it's there because I can fetch it on windowDidLoad but
> > for some reason the array controller on the NIB doesn't see any data. If I
> > fire up gdb and do *po [arrayController arrangedObjects]* I get an empty
> > array.
> >
> > Is there any other way of debugging this?
>
>
> Is "Prepares content" checked? Is "Uses lazy fetching" checked? Do you have a predicate specified, and does the object match the predicate? What happens when you tell the array controller to -fetch:?
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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