Hello all, I have a grid, array controller and a property of document that returns array. Grid is bound to controller, controller uses property as -contentArray. All works fine, but grid asks for data even if it is not visible. The problem is that document's property performs a lot of work to compute the data it returns, so I want to call it only if I really need this data.
I cache those data, but when I change something that affects them, I need to reset the cache. And to let everyone know that something changed, I call -will/didChangeValueForKey for my property. And controller immediately call this property even if grid is not visible. And I have to do a lot of unnecessary work again. Is there a TRUE Cocoa-way to force grid or controller to ask for data only when they are really needed? I can remove bindings and do all manually, but I still believe in a better and easier way. Any ideas? Thank you. _______________________________________________ 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
