The problem ended up being that the object returned by -
[NSArrayController selection] is a private proxy object, which
dynamically proxies the current selection of the array controller.
This means that the views were trying to stop observing the current
selection's relationships, rather tha
In diagnosing this problem, I tried to use the
NSKeyValueObservingOptionPrior when observing NSArrayController's
selection, but I never got a
observeValueForKeyPath:ofObject:change:context: where the change
dictionary contained an NSKeyValueChangeNotificationIsPriorKey entry.
This leads m
I have a table of Core Data objects and a set of inspector views.
Depending on the Class(es) of the selection in the table view, the set
of inspector views changes.
I managed the inspector views with NSViewControllers. The fields in
the inspector view are bound to the view controller's
re
