Re: Enabled Binding and Array Controllers

FROM : Mike Abdullah
DATE : Thu Feb 07 12:41:56 2008

I believe the keypath you're after would be @count

Mike.

On 7 Feb 2008, at 07:43, Steve Cronin wrote:

> 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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