I'm hoping this is simple, but everything I read makes it seem much
more complicated than I think it should be.
I have this simple model:
http://img.skitch.com/20080317-8wxj68njnsek652bnwaahm3t5b.png
In IB I instantiated an NSTreeController bound to the application
delegate with a path of managedObjectContext. I set the entity to
Course, checked 'Prepares Content' and added a key path for Children
to 'sections'.
I can add courses, sections, and coursefiles, and the outlineview
seems to recognize that the Course contains a Section, but it tells me
that the entity Section is not kvc compliant for the key sections: http://img.skitch.com/20080317-qkmratwtpkfqx47rhqrtey4nqy.png
I've noted in the docs that:
"All child objects for the tree must be key-value-coding compliant
for the same child key path. If necessary you should implement
accessor methods in your model classes, or categories on those
classes, that map the child key to the appropriate class-specific
method name."
I have set up NSManagedObject subclasses for each of my model objects.
However, I am not able to find an example of which accessor methods I
should add to map the children....
Any help would be much appreciated, I've been struggling with this for
days.
Thanks in advance,
Ian Kennedy
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