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Re: NSFormatter not getting called

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Re: NSFormatter not getting called

Subject: Re: NSFormatter not getting called
From: James Walker <email@hidden>
Date: Mon, 16 Feb 2009 16:59:29 -0800

Kyle Sluder wrote:

You haven't implemented the three required methods
-stringForObjectValue:, -getObjectValue:forString:errorDescription:,
and -attributedStringForObjectValue:withDefaultAttributes:.
http://developer.apple.com/DOCUMENTATION/Cocoa/Conceptual/DataFormatting/Articles/CreatingACustomFormatter.html#//apple_ref/doc/uid/20000196

Granted that the guide says these methods must be overridden, I don't think that the attributed string one is really required. The NSFormatter reference docs for attributedStringForObjectValue:withDefaultAttributes: say that "The default implementation returns nil to indicate that the formatter object does not provide an attributed string." And I have working formatters that do not override this method.

--
  James W. Walker, Innoventive Software LLC
  <http://www.frameforge3d.com/>
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References:  
  >NSFormatter not getting called (From: Apple Cocoa List <email@hidden>)
  >Re: NSFormatter not getting called (From: Kyle Sluder <email@hidden>)




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