Re: KeyPathsForValuesAffectingValueForKey confusion
Re: KeyPathsForValuesAffectingValueForKey confusion
- Subject: Re: KeyPathsForValuesAffectingValueForKey confusion
- From: Keary Suska <email@hidden>
- Date: Mon, 10 May 2010 09:26:30 -0600
On May 10, 2010, at 9:12 AM, Trygve Inda wrote:
> I have an NSArrayController containing items and a text field in a window
> which is bound to a custom class "MyController" via model key path:
> filteredResultsString
>
>
> -(NSString *)filteredResultsString
> {
> return ([[NSNumber numberWithInt:[[itemsController arrangedObjects] count]]
> stringValue]);
> }
>
>
> This works, except when the contents of the NSArrayController change it does
> not update.
>
> If I change the binding to controller key arrngedObjects model key path
> @count it works perfectly, but I want to use my custom method to customize
> the output in a way that a Display Pattern can't.
>
> How do I get this to work?
Maybe your keyPathsForValuesAffectingValueForKey is wrong. Can't say, since you don't show us what it is, nor anything else useful to help you in any way.
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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