> On Sep 2, 2011, at 19:01 , Trygve Inda wrote: > >> I have an array of objects (of class MyObject) managed by an >> NSArrayController and displayed in an NSTable (via bindings). >> >> One property of MyObject is a BOOL "marked". >> >> I need to be notified whenever the user toggles a "marked" checkbox in my >> NSTable. >> >> What is the best way to do this? Do I need to add an observer to every >> object in the array (there are about 8,000 of them). >> >> How can I best achieve this so that I get passed the changed MyObject >> (immediately after it changes). > > Briefly, you can configure the checkbox cell (either in IB or > programmatically) to have an action, and possibly an explicit target. In the > action method, you can use NSTableView's 'clickedRow' method to find the row > and hence the object whose "marked" property changed, and send a message > representing to the change directly to whatever object has to be notified. > >
I think this sounds like a much better option than trying to use KVO. 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
