Misc Binding issues
Misc Binding issues
- Subject: Misc Binding issues
- From: Edwin Vane <email@hidden>
- Date: Sun, 7 Aug 2005 17:55:44 -0400
- Mail-followup-to: Cocoa-Dev <email@hidden>
Hi,
Bindings are apparently not useful in every situation according to
some people. Beyond the obvious question of "which situations are not
good" what is the non-bindings way of implementing a controller? The view
isn't supposed to have any links to the model (according to previous
posts by others here) except through a controller. And yet, the Graphics
Bindings example from
http://homepage.mac.com/mmalc/CocoaExamples/controllers.html
seems to have the view access model objects directly (via arangedObjects
in an NSArrayController).
So my confusion is this: I can see a non-bindings controller passing an array
of objects to a view to render and shuttling change/add/remove events
from view to model via delegation (or manual KVC-KVO perhaps) except the
nature of the view being able to access the model this way seems to
violate previous advice. How does the NSController way of doing things
not violate this advice either?
--
Edwin Vane
MMath Candidate
Computer Graphics Lab
School of Computer Science
University of Waterloo
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