Re: Challenge 18 in Hillegass Book
Re: Challenge 18 in Hillegass Book
- Subject: Re: Challenge 18 in Hillegass Book
- From: Ashley Perrien <email@hidden>
- Date: Sun, 10 Aug 2008 19:22:05 -0500
On Sat, Aug 9, 2008 at 8:54 PM, James Gorham <email@hidden> wrote:
I think that's where I'm unclear. Making the Document class aware
of the
view is easy enough with an IBOutlet. But how to properly make the
view
aware of the document I'm unsure of.
You're missing the point. You don't connect your NSDocument (model)
to your views, you have a controller in between. This controller is
responsible for noticing/being notified when the document changes so
it can update the view, and it is also responsible for noticing/being
notified when the view changes so it can update the document.
But the question I think is still valid and one I'm I'm trying to
figure out myself. How, for instance, would you have the view request
data from the document (or any other object for that matter). I
understand that it may not always be the best design choices but how
is it done? Posting notifications is about the only way I can think of
and perhaps sending self as the context info.
Ashley Perrien
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