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Re: binding with tranformer question
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Re: binding with tranformer question


  • Subject: Re: binding with tranformer question
  • From: SA Dev <email@hidden>
  • Date: Fri, 29 Jul 2005 08:29:34 -0400

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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