On Nov 24, 2009, at 11:42, Gustavo Pizano wrote: > Now the interesting part, 14, I did jsut a test to see what I could get, and > eventually the way it is, I get the value of @"ico", BUT, If I try to do the > follwoing: NSLog(@"%@",[(User *)[[parent _userListArrayController] selection] > ico]);, then I get: > > -[_NSControllerObjectProxy ico]: unrecognized selector sent to instance > 0x100266580 > so in 15 when I try to add this newInvoice to the existing ones, with the > addToInvoicesObject method, I get also something like this : > > -[_NSControllerObjectProxy addToInvoicesObject:]: unrecognized selector sent > to instance 0x1001b7a10 > > so at the end I can't add an invoice to the selected user from the > _userListArrayController.. > > any clue what Im doing wrong?
You should read the documentation for the 'selection' method (in NSObjectController, the superclass of NSArrayController). That method gives you a *proxy* object that you can use for KVC access to the underlying properties (as you found) but doesn't respond to specific accessors (as you found). If you want the actual data model objects (that is, the NSManagedObject [or subclass] objects), use the NSArrayController's 'selectedObjects' method instead -- which always returns an array, BTW, so just use the object at index 0. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
