Whats the appropriate way to react to the delete key in an NSOutlineView

Question

I want to remove an item from my NSOutlineView when the user presses the delete key. Is the only way to do this to over-ride the keyUp method of NSResponder? I was hoping for higher level solution.

Answer 1

I think that overriding -keyDown: or -keyUp: in a subclass is the only way to do this.

Answer 2

Its possible to do this without subclassing. Set the NSOutlineView's nextResponder (using -setNextResponder:) to your controller. In the controller class you can override -keyDown: (or -keyUp: and then handle the event in your controller class.