NSUserDefaults and non-property-list objects
NSUserDefaults and non-property-list objects
- Subject: NSUserDefaults and non-property-list objects
- From: Larry Gerndt <email@hidden>
- Date: Wed, 15 Jun 2005 14:23:42 -0700
| Apple documentation points out that although NSUserDefaults object support extends only to property list types (NSData, NSNumber, NSArray, etc), one can easily add a category to NSUserDefaults and define methods therein to support converting other types (such as NSColor) to NSData. But if I use this technique, how do I go about creating a dictionary of these non-standard defaults that can be passed to registerDefaults:? The methods that do the conversions to NSData are in the category of NSUserDefaults, not NSMutableDictionary, so it would appear I would have to duplicate those methods elsewhere to be able to do the conversions
One possible solution I can think of is: instead of putting the conversion code into the NSUserDefaults+Extensions methods, I could add a category to each class type that needs converting, for example an NSColor+Extensions method: -(NSData*)colorAsData; Then that could be used both when creating items for the defaults dictionary and also be used by the NSUserDefaults+Extensions category methods. Is that a sensible approach?
-- Larry Gerndt AIM Handle: SonOfTheSonOfMan Let the truth be told though the heavens fall -- James Garrison |
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