NSIsNilTransformerName is the name of the variable defining the
transformer name.
NSLog(@"NSIsNilTransformerName = %@", NSIsNilTransformerName);
NSIsNilTransformerName = NSIsNil
I'm surprised NSIsNil didn't show up in the binding's popup list.
On Mar 30, 2010, at 12:11 PM, James Walker wrote:
I'm trying to make a button be disabled if an array controller is
being
filtered. So in IB I bound the enabled state of the button to the
array
controller, with controller key "filterPredicate" and value
transformer
"NSIsNilTransformerName". At run time, an exception is thrown, and
the
log has a message "Cannot find value transformer with name
NSIsNilTransformerName". That really confuses me, because the docs
say
that NSIsNilTransformerName is one of the built-in value transformers.
Clue, please?
--
James W. Walker, Innoventive Software LLC
<http://www.frameforge3d.com/>
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