What do you mean do the fetch myself? Do you mean I should not use an NSArrayController? That would sound overkill as NSArrayController plus its fetch predicate gives me a lot of functionality for free, e.g. updating dynamically when underlying objects are added/removed. Can you elaborate?
---------------------------------------- > From: [email protected] > To: [email protected] > Date: Wed, 3 Jun 2009 17:31:32 -0600 > Subject: Re: Detecting when fetch: finishes > > On Jun 3, 2009, at 5:12 PM, Ulai Beekam wrote: > >> I have an NSArrayController that, at the request of the user, can be >> given a new fetch predicate. To do that I use the setFetchPredicate: >> method. How can I detect when this predicate has been applied and >> the appropriate fetching is done? I have not come across any >> delegate method for it. >> >> I suspect that this is made tricky because of the following quote >> from the docs under the fetch: method of NSObjectController (which >> by the way is a superclass of NSArrayController): >> >> "Beginning with Mac OS X v10.4 the result of this method is deferred >> until the next iteration of the runloop so that the error >> presentation mechanism can provide feedback as a sheet." >> >> So the problem is that it finishes somewhere in the next runloop >> iteration, making it harder to do some custom things after it >> finishes. > > > There isn't any way that I know that is more work than it is worth. > Better to do the fetch yourself. > > Keary Suska > Esoteritech, Inc. > "Demystifying technology for your home or business" _________________________________________________________________ Windows Live™: Keep your life in sync. Check it out! http://windowslive.com/explore?ocid=TXT_TAGLM_WL_t1_allup_explore_012009_______________________________________________ Cocoa-dev mailing list ([email protected]) 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 [email protected]
