RE: Cocoa bindings problem
RE: Cocoa bindings problem
- Subject: RE: Cocoa bindings problem
- From: Squ Aire <email@hidden>
- Date: Sat, 31 Oct 2009 16:09:32 +0000
- Importance: Normal
Thanks, why didn't I think of that? Sounds obvious once known :)
Thanks also for the transient property tip, will keep it at the back of my head for future use. In this case however I will go with the method as it is more suitable in my particular case.
> >Thanks for the tip. However, the value transformer idea did not work.
> >Even though it ended up showing exactly the same date (the value
> >transformer just strips the time from the date) for each row, selecting
> >multiple rows still leaves us with "Multiple values" in the text field.
>
> Instead of a value transformer, in your NSManagedObject subclass add a
> new method called 'timelessDate' which returns a modified version of
> your 'date' attribute. Then bind your table to 'timelessDate' instead
> of 'date'. Also use keyPathsForValuesAffectingValueForKey to indicate
> that 'timelessDate' depends on 'date'.
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