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Re: NSUserDefaultsController Problem

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Re: NSUserDefaultsController Problem

Subject: Re: NSUserDefaultsController Problem
From: mmalcolm crawford <email@hidden>
Date: Tue, 1 Nov 2005 07:29:23 -0800


On Oct 31, 2005, at 11:26 PM, Marc Blatt wrote:

Each controller on the Preferences Panel is KVC bound to the Shared User Defaults (NSUserDefaultsController) and additional Target/ Action connections fire methods that send notifications to registered observers. Upon relaunch of the app, the Preferences Panel retains its last settings.

Why are you using target-action/notifications rather than simply observing the NSUserDefaultsController or registering for user defaults change notifications?

In my CoreDataAppDelegate, I register the defaultValues in NSUserDefaults for the user's preferences and the same data is registered as initialValues for the NSUserDefaultsController.

Again, why do both rather than just using the NSUserDefaultsController?

See <http://developer.apple.com/documentation/Cocoa/Conceptual/ CocoaBindings/Concepts/NSUserDefaultsController.html>.

mmalc

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