Re: NSValueTransformer for selectedObjects controller key - bug?
Re: NSValueTransformer for selectedObjects controller key - bug?
- Subject: Re: NSValueTransformer for selectedObjects controller key - bug?
- From: Javigator <email@hidden>
- Date: Wed, 3 Aug 2005 21:38:33 +0200
Sure, as I said: when coupling the same transformer to, for example,
the selection key, everything works - well, at least the app starts
and no sigtrap is thrown. It's all properly setup. It's just that the
app sigtraps at start when the transformer is set for a array
returning controller key.
Joern.
Am 3. Aug 2005 um 21:24 schrieb SA Dev:
Sorry - I meant to post a link to the relevant docs:
http://developer.apple.com/documentation/Cocoa/Conceptual/
ValueTransformers/index.html#//apple_ref/doc/uid/10000175i
It refers to 'registering' your transformer. Evidently, with
transformers, there's 'more than meets the eye' ... :-D
On Aug 3, 2005, at 2:50 PM, Javigator wrote:
Hi,
the last two hours I was trying to get a custom value tranformer
going for the enabled binding of a NSButton. Specifically I want
it to work with the selectedObjects controller key ob the bound
NSArrayController.
To no avail. All I get, right at the start of the app a sigtrap 5,
in every way I tried:
2005-08-03 20:44:17.227 BindingTest[8351] An uncaught exception
was raised
2005-08-03 20:44:17.227 BindingTest[8351] Cannot find value
transformer with name IsFlagSelectedTransformer
2005-08-03 20:44:17.227 BindingTest[8351] *** Uncaught exception:
<NSInternalInconsistencyException> Cannot find value transformer
with name CustomTransformer
But the transformer is there, and working: when I change the
controller key to some non-array delivering key, Cocoa is kind
enought to let my app start. But not, if there's any of
selectedIndexes, selectedObjects selected.
Anyone else experiencing this? Is this a bug? Or am I overlooking
something?
Best regards,
Joern Janoschek.
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