I'm not sure if this is possible with bindings and Core Data, or how much glue 
code I'm going to have to write to do this, but I thought I'd ask to see if 
anyone else has done anything like this.

I want to display a table view with a set of columns that's not known at 
compile time, but rather at run time. The model has one entity for the rows, 
and related key-value pair entities for each column in the row. These are 
generated at run time based on the input data, but they are the same for all 
rows in a set. Each column may be of a different type than the other, but all 
the entries in a column are the same.

I suspect I'll have to programmatically build the table columns each time the 
set changes (not quite sure how to do that, but I assume there are obvious 
methods for adding and removing columns). Once I'm building the columns, I 
expect I'd have to programmatically bind them to an NSArrayController. Not sure 
how I map a key name in a table column through the NSArrayController to my main 
entity, and through that to the related key-value pair entity. Override the 
primary entity's valueForKey and have it fetch the related property? Any 
caveats I should look out for?

Suggestions and advice welcome.

Thanks!

-- 
Rick




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