[Newbie]:Bindings and pulldown menus
[Newbie]:Bindings and pulldown menus
- Subject: [Newbie]:Bindings and pulldown menus
- From: J Tichenor <email@hidden>
- Date: Tue, 14 Sep 2004 17:46:51 -0700
I'm trying to bind the value of an NSArray to a pulldown menu. I have a
value called projectTitles, which is a pointer to an NSArray of project
titles, obviously, distilled out of the children of a
masterProjectObject.
I am sure I am using proper KVC -- projectTitles exists both as a
IBOutlet NSArray variable (don't think the IBOutlet matters for
bindings?) and as a method which returns a pointer to the array.
In IB, I have created an NSArrayController object, added a
projectTitles key, and then set the Object Class Name to my main data
controller object, where the value of the projectTitles array is set
and passed.
I have then bound the pulldown menu to the NSArrayController, in
contentValues under bindings. I have set the controller key to be
arrangedObjects and set Model Key Path to be projectTitles. I've
fiddled around, trying different bindings, and am just not getting
anywhere. I suspect it might have something to do with when my data
model is loaded -- I have it in awakeFromNib -- but I assume that
anytime that projectTitles value changes, the binding informs the
pulldown menu to reload it's item list?
Anyway, I hope I've described this well enough. I know this is Bindings
101 but I've gone through both the Apple docs and mmalc's great but
pretty advanced reference, so I'm at a bit of a loss. Suspect once I
understand how this is done everything else should (hopefully) fall
more smoothly into place? :-)
TIA.
~j~
James Tichenor
VFX Supervisor
AIM: email@hidden
(07779) 256 103
http://www.lehopictures.com/the_joint/
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