Hello,
I am trying to make a grouped tree of my core data, to show in an
outlineview. I have been researching how to do it and the only thing I
have discovered is that inheriting NSTreeNode is useless.
I want group the root entities for his color. So, the root branches
are the colors, and his branches are entities filtered for color.
I don't know how implement this. I thought sub-classing
NSTreeController with the managedObjectContext, but I don't know how
and where create the root nodes (color nodes) and their branches
(filtered entities).
Does any recommendations?
Xin
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