Re: binding with tranformer question
Re: binding with tranformer question
- Subject: Re: binding with tranformer question
- From: Theodore Petrosky <email@hidden>
- Date: Fri, 29 Jul 2005 06:06:14 -0700 (PDT)
I knew that I could do this with a subselect on the
database, I was looking for the cocoa way. the todo
example looks interesting but I will do it in the
backend for now. I need to finish this today.
thanks,
Ted
--- SA Dev <email@hidden> wrote:
> Theodore:
>
> Sounds like you could benefit from Mmalc's
> bindings examples.
> Specifically, the ToDo example, which demonstrates
> popups: http://
> homepage.mac.com/mmalc/CocoaExamples/ToDos.zip
>
>
>
>
> On Jul 29, 2005, at 7:38 AM, Theodore Petrosky
> wrote:
>
> > two classes.
> > vendorcategories and vendorinfo (with two array
> > controllers)
> >
> > vendorinfo has instances of:
> > vcode, vname, vaddress, vstate, vzip, vcategory
> (with
> > setters and getters)
> >
> > vendorcategories has instances of:
> > vendorcategoryname, vendorcategorycode (with
> setters
> > and getters)
> >
> > I create an array of vendorinfo from a database
> query.
> > so my array is
> >
> > vendorinfo0
> > vendorinfo1
> > vendorinfo2
> >
> > and I get an array of vendorcategories
> >
> > vendorcategories0
> > vendorcategories1
> > vendorcategories3 etc.
> >
> >
> > my popup is popuplated from vendorcategories and
> the
> > selectedObject is bound to vendorinfo. however
> > vendorinfo only has the code (I guess I could
> > de-normalize the database to get the project
> moving
> > but I want to figure this out) ... I want to
> display
> > the name from the code.
> >
> > All the binding is done programatically so I
> thought I
> > could create a valuetransformer and pass it an
> array
> > of vendorcategories so it could transform the
> display.
> >
> >
> > 1. I can't figure out how to pass this array to
> the
> > transformer (and it is conceivable that the array
> > could change while the app is running)
> >
> > 2. I don't even know that this is the 'best'
> solution.
> >
> > Ted
> >
> >
> > --- Charilaos Skiadas <email@hidden>
> > wrote:
> >
> >
> >> I'm a bit confused here. Is vendorcategoryname a
> >> class of objects,
> >> and vendorcategorycode another class. Or are they
> >> both instance
> >> variables of some class, whose objects the array
> is
> >> handling? Can you
> >> explain your situation more specifically, what
> >> classes are involved,
> >> what controllers there are, what are they bound
> to.
> >> On Jul 28, 2005, at 4:58 PM, Theodore Petrosky
> >> wrote:
> >>
> >>
> >>> I can not figure out if I need a transformer..
> >>>
> >>> I have a popupbutton bound to an array of
> objects
> >>> (vendorcategoryname vendorcategorycode). the
> >>> selectedObject is coming from the other array..
> my
> >>> problem is the other array has the
> >>>
> >> vendorcategorycode
> >>
> >>> and I want to display the vendorcategoryname.
> >>>
> >>> I feel there should be a way to do this without
> a
> >>> transformer but I can't seem to get my head
> around
> >>>
> >> it.
> >>
> >>>
> >>> Any help to point me in the right direction
> would
> >>>
> >> be
> >>
> >>> great.
> >>>
> >>> Ted
> >>>
> >>>
> >>>
> >>>
> >>>
> >>
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> >>
> >> Haris
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> >
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