On Nov 27, 2010, at 17:44, Jerry Krinock wrote:

>> I have an NSArrayController that holds a set of persons. These persons have 
>> a to-many relationship of name objects. Usually they will only have one 
>> name, but there may be multiple (or even no name).
>> 
>> In my interface, I have an NSTableView that will display the persons. The 
>> attributes are easy enough (gender, etc), but how can I bind the names to a 
>> column so only one name is shown for a person?
> 
> Good old-fashioned code to the rescue.  Implement a method in your Person 
> class which returns such a name, and bind the table column to it.  I think 
> that as long as the column is not editable, you will not need a setter.

Additionally, in your Person class, implement 
keyPathsForValuesAffectingValueForKey: so that when the 'names' relationship 
changes, your 'primaryName' key does too.

Sean

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