Re: Filtering the Contents of an Array Controller

FROM : August Trometer
DATE : Mon Apr 11 21:13:14 2005

OK, so the filtering should be done in arrangeObjects, not in 
arrangedObjects, and that makes so much more sense.

And what's worse, I've been to mmalc's site dozens and dozens of 
times and I forgot about that one.

Thanks!

August



On Apr 11, 2005, at 1:44 PM, Kevin Callahan wrote:

>
> On Apr 11, 2005, at 11:37 AM, August Trometer wrote:
>
>

>> I've got a subclass NSArrayController whose contents are displayed 
>> in a table via bindings. There are several types of objects in 
>> this list differentiated by various criteria. I'd like to let my 
>> users filter that list and show only the type (or types) that they 
>> want.
>>
>> My first attempt was to use my subclass and overwrite 
>> arrangedObjects: and filter there. However, because the list of 
>> objects is rather long, this resulted in poor redraw performance 
>> and jerkiness during scrolling.
>>
>> For various reasons (mostly performance and stability), I'd like 
>> to keep all the objects in the array and simply filter them. Is 
>> there a way to do this that I'm missing?
>>

>
> Have you looked at mmalc's  page?
>
> <http://homepage.mac.com/mmalc/CocoaExamples/controllers.html>
>
> Filtering Controller
>
> Shows custom array controller that interacts with a search field 
> (NSSearchField) to filter the displayed content of a table view.
>
> -Kevin
>
>
>

>>
>> Thanks!
>>
>> August
>>
>>
>>
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>
>