One way of dealing with this is to make the method part of an informal protocol and check before calling it. Details are here: http://cocoadevcentral.com/articles/000075.php
------ David Kennedy (http://www.zenopolis.com) On 21 Oct 2011, at 08:39, Luc Van Bogaert wrote: > Hi, > > I'm using the following piece of code in several places to get a pointer to > the "active" windowController in my document-based application: > > NSDocument *currentDocument = [[NSDocumentController > sharedDocumentController] currentDocument]; > if (!currentDocument) > return; > > NSWindowController *windowController = [[currentDocument > windowControllers] objectAtIndex:0]; > if (![windowController isMemberOfClass:[DSSketchLibraryWindowController > class]]) > return; > > Obviously, I'm looking for a way to refactor this duplicate code. Since this > code is used in several different classes, I need to put it someplace where I > can easily reference it. AppDelegate comes to mind. So, I'm wondering if > putting this code in a public method in the application delegate would be the > correct "cocoa way" of doing things? > > Thanks for any advice. > > -- > Luc Van Bogaert. > _______________________________________________ > > 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/citizen%40zenopolis.com > > This email sent to citi...@zenopolis.com _______________________________________________ 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