On Jun 28, 2008, at 12:43 PM, Stuart Malin wrote:
I have a button in the GUI that should cause various changes to the
person selected in the table. In the method that is the target of
the button's action, I need to get the selected Person object so I
can operate on it.
I know I could use the -selection method of the NSController to get
a proxy object, and then use -valueForKey: and -setValueForKey to
operate on the object via the proxy. However, this puts the logic of
the manipulations in my appController. I'd rather the collection of
manipulations be in the Person class, (i.e., have instance methods
in the Person class that update a person object).
If I do this (have the update logic in the Person class), then I
can't use the proxy object returned by the -selection method of the
NSController (because the proxy object doesn't respond to the
methods of the backing class).
Have you considered binding the button's target to the array
controller's selection, and putting the action methods on the Person
directly? (You might need to use a model key path of "self" to get
around the proxy-ness.)
Cheers,
Ken
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