I was banging my head into this one for a bit. The trick for me was to bind my NSCollectionView's selectionIndexes to listen to my NSArrayController's selectionIndexes property. It's not enough to just bind the NSCollectionView's content to listen to the NSArrayController's arrangedObjects, you need to hook up the selectionIndexes as wel
(tags: nscollectionview bindings cocoa osx aha)
(tags: osx cocoa development tools)
Ending Legacy Code In Our Lifetime
(tags: code beauty philosophy refactoring)