As of SnowLeopard, Core Data supports the following selectors for
sorting in the SQLite store:
compare: (since Tiger(I think))
caseInsensitiveCompare: (since Leopard)
localizedCompare: (new in SL)
localizedCaseInsensitiveCompare: (new in SL)
localizedStandardCompare: (new in SL)
The last comparison type is new to the OS in SL, and will get you the
system standard sort as done by Finder.
As to subclassing NSArrayController, I'll leave that to people with
more UI-fu.
+Melissa
On Sep 1, 2009, at 13:10, Sean McBride wrote:
Hi all,
The "Troubleshooting Core Data" document discusses the FAQ "SQLite
store
does not work with sorting". It suggests: "you may need to subclass
NSArrayController so you can have it not pass the sort descriptors to
the database and instead do the sorting after your data has been
fetched". [1]
I imagine this must have been done many times over by many people.
Try
as I may, I cannot find any example code, or even a more detailed
discussion of what to override. I fear there may be edge cases
overriding such an important class, so want to be careful.
My ultimate goal is for all table and outline views in my app to sort
"correctly" (ie like the Finder[2]).
What is the correct way to achieve this?
[1] <http://developer.apple.com/mac/library/documentation/Cocoa/
Conceptual/CoreData/Articles/cdTroubleshooting.html>
[2] <http://developer.apple.com/mac/library/documentation/Cocoa/
Conceptual/Strings/Articles/SearchingStrings.html>
Thanks,
--
____________________________________________________________
Sean McBride, B. Eng s...@rogue-research.com
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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