gistfile1.m

- (void)loadDefaultSettings
{
	NSMutableDictionary *defaults = [NSMutableDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Default-Settings" ofType:@"plist"]];
	
	// other setup...
	
	[[NSUserDefaults standardUserDefaults] registerDefaults:[NSDictionary dictionaryWithDictionary:defaults]];
}

- (void)resetDefaultSettings
{
	NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

	NSString *bundleIdentifer = [[NSBundle mainBundle] bundleIdentifier];
	NSDictionary *persistentDomain = [userDefaults persistentDomainForName:bundleIdentifer];
	for (NSString *key in [persistentDomain allKeys]) {
		[userDefaults removeObjectForKey:key];
	}
}


- (void)applicationWillFinishLaunching:(NSNotification *)aNotification
{
	DebugLog(@"%s called", __PRETTY_FUNCTION__);
	
	if ([NSEvent modifierFlags] == NSShiftKeyMask) {
		NSAlert *alert = [NSAlert alertWithMessageText:NSLocalizedString(@"DefaultsResetText", nil) defaultButton:NSLocalizedString(@"Cancel", nil) alternateButton:NSLocalizedString(@"OK", nil) otherButton:nil informativeTextWithFormat:NSLocalizedString(@"DefaultsResetDescription", nil)];
		NSInteger returnCode = [alert runModal];
		if (returnCode == NSAlertAlternateReturn) {
			[self resetDefaultSettings];
		}
	}
	
	[self loadDefaultSettings];

	// other setup...
}