On Sep 29, 2009, at 12:53 PM, Oftenwrong Soong wrote:
IIUC, what you're saying is that NSPredicate is used as a filter. Is that correct?
Well, it's more of a (unit of a) query. You can create compound predicates, etc. to build a more complex query.
If so, is Predicate Editor (in IB) related in some way?
Well ... yes ... it is an editor control for predicates. :-)
And if so, what is it supposed to do? Honestly I could never understand the docs on this particular control. :)
If you have specific questions, you need to ask those instead of "what is it supposed to do"?
What don't you understand? The Overview section of the NSPredicateEditor reference is incredibly clear. The very first sentence even tells you what it's a subclass of, which, if you follow the link and read *its* overview, will give you even more information. Further, the related "Companion Guide" about predicates is highly relevant.
Are you saying you're unsure how to actually use it / set it up? I *think* that's covered between it and its superclass's documentation, but admittedly I've never read in depth for that specific information.
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