Re: "No Selection", NSObjectController & CoreData
Re: "No Selection", NSObjectController & CoreData
- Subject: Re: "No Selection", NSObjectController & CoreData
- From: Thom Meijer <email@hidden>
- Date: Tue, 4 Oct 2005 04:55:17 +0200
YES! Thank you, thank you so much! All nice people here, thank you as well!
This is exactly what I was looking for. I can not help myself but it feels
quite strange to me that also NSObjectController needs the one and only
object to be added. In case of NSArrayController I pretty get it but with
*object* controller....anyway!
So just for archive purpose, I put a button to my interface in IB,
control-dragged from it to NSObjectController, in action pane connected
add:.
And, in Bindings pane, for every text field's value > no selection
placeholder: I just filled in something like "Hit the init button".
Once again, thank you very much!
On 10/4/05, email@hidden <email@hidden> wrote:
>
> You can add it in code or add a button to the window and connect it
> to the object controller and connect it to the add: method.
> Click the add: button and the controller will make and object for the
> selection.
> I think thats what your looking for?
>
> Hope it helps.
>
> Thom Meijer wrote:
>
> > On 10/3/05, mmalcolm crawford <email@hidden> wrote:
> >
> >>
> >>
> >> On Oct 3, 2005, at 12:55 PM, Thom Meijer wrote:
> >>
> >>
> >>> Then I dragged NSObjectController from IB palettes to instances
> >>> pane, named
> >>> it myController and I bound its managedObjectContext to
> >>> myAppDelegate (from
> >>> data modeler) with model key path: managedObjectContext and in
> >>> attributes
> >>> pane i checked mode: entity, entity name: myEntity, automatically
> >>> prepares
> >>> content: yes, editable: yes.
> >>> Then I bound every text field's value to myController with
> >>> controller key:
> >>> selection and with model key path: name of myEntity's attribute.
> >>> Now, the problem is, it doesn't work. I always get "no selection"
> >>> in all
> >>> fields.
> >>> Please, what am I missing? What am I doing wrong?
> >>>
> >>
> >> Did you create an instance of the entity?
> >>
> >
> >
> > I thought yes but now I am very slowly realizing that maybe I
> > didn't. Thanks
> > for the link.
> >
> > See <http://developer.apple.com/documentation/Cocoa/Conceptual/
> >
> >> NSPersistentDocumentTutorial/04_Department/
> >> chapter_5_section_1.html#//
> >> apple_ref/doc/uid/TP40001799-CH223>.
> >>
> >> mmalc
> >>
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