I have been trying my best to bind a popup menu to a Dictionary using
NSDictionaryController. So far, no go. I have been able to bind the popup
to a separate NSArray of keys using NSArrayCntroller, but have been unable
to bind to a dictionary having the same key list using
NSDictionaryController. Logically, it seems like it should work. After
all, NSDictionaryController is a subclass of NSArrayController.
I bound the NSDictionaryController to the NSMutableDictionary, then
tried to bind the popup to its arrangedObjects, with the content binding to
arrangedObjects.key. I also tried arrangedObjecte.self.key. Nothing seems
to work. Has anyone successfully done this?
I wanted to use this as the master in a master/slave relationship where
the objects in the dictionary are arrays controlled by a separate
NSArrayController. I suppose in the worst cast, I can create a separate
object with pairs to use in an array instead of the dictionary, but that
seems to be duplicating what the NSDictionary/NSDictionaryController pair
should have been able to do.
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