I'm a newbie to Cocoa (but not the Mac =) and I making my way
through the Aaron Hillegass's book and I've reached a point (Ch 15)
where I'm stumbling. I really want to use MVC separation at a file
level, but setting up the linkages between them is turning out to be
a bit of a problem for me.
Quick summary of the problem, write a document-based Cocoa app
that allows the user to draw ovals. Add Save/Load and Undo (if
you're feeling ambitious =). I'm (perhaps) cheating a bit and
combining by MC into a subclass of MyDocument. Up til this point
examples/exercises linkages were Target/Action and that clicks with
me, but now I have an mouseUp event that needs to create an "oval" in
the Model/Controller and that's not clicking. I thought I had it
with an IBOutlet in a the StretchView (subclass of NSView) linked
back to "My Document" in IB, but when I started to implement the Save
functionality I found that object that MyDocument was saving was
different than the one StretchView was drawing from.
How should the View be linking up with the Controller? In a perfect
Cocoa App how would you setup linkages between M, V, and C?
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