NSArray reorder

gistfile1.m

static NSInteger compareListingTypesAccordingToStaticOrder(ListingType *type1, ListingType *type2, void *context) {
	static NSArray *orderedTypes = nil;
	
	if (orderedTypes == nil) {
		orderedTypes = [[NSArray alloc] initWithObjects:
						@"Everything", @"Restaurants", @"Bars", 
						@"Cafes", @"Bakeries", @"Fashion Stores", 
						@"Design Stores", @"Bookstores", @"Art Galleries", 
						@"Fitness Clubs", @"Grocery", @"Hotels", @"Services", nil];
	}
	
	NSInteger order1 = [orderedTypes indexOfObject:type1.categoryTitle];
	NSInteger order2 = [orderedTypes indexOfObject:type2.categoryTitle];
	
	if (order1 < order2) {
		return (order1 == NSNotFound) ? NSOrderedDescending : NSOrderedAscending;
	} else if (order1 > order2) {
		return (order2 == NSNotFound) ? NSOrderedAscending : NSOrderedDescending;
	} else {
		return NSOrderedSame;
	}
}

[listingTypes sortUsingFunction:compareListingTypesAccordingToStaticOrder context:NULL];