Re: NSMatrix
Re: NSMatrix
- Subject: Re: NSMatrix
- From: Erik Buck <email@hidden>
- Date: Wed, 26 Mar 2008 13:42:58 -0700 (PDT)
Wow! Dave Hersey wrote a very detailed and comprehensive post that must have taken a long time. Sadly, I disagree with almost all of it.
NSMatrix is an "older" class that predates the "data source" design pattern that emerged (i think) in NeXTstep 3.0 in about 1994 as I recall. I think NSMatrix was in Nextstep 0.8 in 1988.
I highly discourage sub-classing NSMatrix.
To use NSMatrix...
Before adding any rows or columns to your matrix, set it's cell class with setCellClass: or its prototype cell with setPrototype: but don't do both.
Add rows with addRow and add columns with -addColumn until you have enough cells for all of your data. Then loop through the rows and columns calling cellAtRow:column: and configuring each cell based on your data.
The better approach is to use NSCollectionView in Leopard. http://developer.apple.com/documentation/Cocoa/Reference/NSCollectionView_Class/Introduction/Introduction.html
NSCollectionView is much more flexible and more supportive of MVC design using less overall code.
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