> > On 2011 Sep 02, at 22:22, Trygve Inda wrote: > >>> Briefly, you can configure the checkbox cell (either in IB or >>> programmatically) to have an action… > >> I think this sounds like a much better option than trying to use KVO. > > Indeed it is, *if* you literally want the notification, as you said in your > original post, "whenever the user toggles a … checkbox". > > However, if, as is more commonly the case, you actually need a notification > whenever the 'marked' attribute in the data model changes, and if your > application provides any other means by which that attribute could be changed, > such as Undo, scriptability, business logic, or some other view of that > attribute, which may be added in the future, then the shortcut of wiring to > the control's action, although convenient, is going to be be missing these > changes.
I understand that... I think the alternative would be to register an observer on all 8000+ objects in the array. For now however, the checkbox is the only way to alter the marked state so this should work. Thanks! _______________________________________________ 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
