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Multiple NSPredicates to filter an NSArrayController

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Multiple NSPredicates to filter an NSArrayController

Subject: Multiple NSPredicates to filter an NSArrayController
From: Chris Blackburn <email@hidden>
Date: Sun, 12 Aug 2007 22:42:06 +0100

Hey all,

I have an NSArrayController that is hooked up to an NSTableView with bindings including having its filterPredicate bound to an NSSearchField. The trouble is that I want the ArrayController to only select a subset of the data, then perform a search on it, hence my predicate looks something like this:-

(identifier contains[c] $value) and (people_id != nil)

This works fine when something is entered into the Search Field but when nothing is entered then no predicate is sent at all. How can I specify the predicate for searching and the predicate for data selection?

Thanks

Chris.
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