Re: [Rubycocoa-talk] Binding to subclasses of NSArrayController

[Brian M. <ma...@ka...>]

Found the problem. I had created the object in IB by dragging in an  
NSObject and changing its class. You have to drag in an  
NSArrayController and change its class.


On Sep 23, 2008, at 3:13 PM, Brian Marick wrote:

> I have an app that works correctly when a table column is bound to an
> NSArrayController. Now suppose I subclass NSArrayController like this:
>
> class MyController < OSX::NSArrayController
> end
>
> If I switch the column's binding to MyController, leaving everything
> else the same, the bindings don't work in various interesting ways.
>
> I suspect that (1) something - IB? NSTableColumn? the data cell -
> knows the kind of thing it's bound to and adjusts its behavior
> accordingly, and (2) doesn't understand MyController's superclass.
>
> Could that be correct? If so, how do I get around the problem? If not,
> what's the real problem?
>
> -----
> Brian Marick, independent consultant
> Mostly on agile methods with a testing slant
> www.exampler.com, www.exampler.com/blog, www.twitter.com/marick
>
>
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