Re: Enabled Binding and Array Controllers

FROM : Pierre Molinaro
DATE : Thu Feb 07 19:12:15 2008

I think you can bind to canRemove controller key, leaving model key 
path empty.

Bind to: ArrayController
Controller Key: canRemove
Model Key Path:  (empty)

Pierre

Le 7 févr. 08 à 08:43, Steve Cronin a écrit :

> Folks;
>
> I would like to set some UI widget's enabled binding to whether or 
> not an array controller has any arrangedObjects.
>
> If the arrayController has no current data then the widgets should 
> not be enabled.
> Once the arrayController has some arrangedObjects then these widgets 
> should be enabled.
>
> I can't seem to get the right settings for this in IB.
> Do I have to create a method that returns a boolean or is there some 
> syntax for this directly in IB?
>
> Bind to: ArrayController
> Controller Key: arrangedObjects
> Model Key Path:  ???
>
> Thanks for your help!
> Steve
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