Re: NSArrayController & NSTreeController default sort order

FROM : I. Savant
DATE : Tue Jan 22 20:09:05 2008

On Jan 22, 2008 2:06 PM, I. Savant <<email_removed>> wrote:
> > > How do I set up the bindings correct
> > > so my controllers fetch the data pre-sorted?
> >
> > Subclass your controller and override -arrangeObjects:.
>
>  Um ... or, you could use the controller's -setSortDescriptors:
> method or its sortDescriptors binding since they're there for just
> that purpose.


  Addendum: Of course if you're using Core Data, you need to be aware
that there's no pre-determined order in which you'll receive members
of a fetch (which is the case with your controller). You'd need to add
a sortable attribute to your entity like, "sortOrder" and assign each
instance a sane value. You'd use that key when setting your
controller's sort descriptors.

--
I.S.