I'm assuming your nav aids list will have an array controller and
that you're building for Tiger or better.
You really shouldn't. A number of reasons for this presented
themselves on this very list within the last few weeks.
You can get the search behavior by adding a search field to your
interface and binding the search field's predicate to the array
controller's filterPredicate. It will then filter your array of nav
aids in real time, and there's no code necessary -- it's all done in
IB.
This is absolutely true, but a warning: it requires a good, solid
understanding of the most basic Cocoa design patterns, as well as some
moderately-advanced topics like Key-Value Coding (KVC) and Key-Value
Observing (KVO), so you can grasp the Bindings mechanism (upon which
NSArrayController relies). If you don't have this foundation, you're
in for a world of hurt going down this path prematurely.
Thankfully, predicates work just fine without Bindings. If you have
a good understanding of KVC, you can filter an array and use the
approach Nick Zitzmann previously suggested.
Well, with one minor adjustment. Use the -[NSControl
controlTextDidChange:] delegate method instead of a timer. Trigger
your filtration each time it's called by your search field.
--
I.S.
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