Re: Disable sort in a bound tableview with relationships

FROM : Todd Ransom
DATE : Fri Jul 21 19:29:45 2006

For the archives, you can disable sort by subclassing 
NSArrayController and overriding sortDescriptors like this:

- (NSArray *)sortDescriptors
{
   return [NSArray array];
}

Todd Ransom
Return Self Software
http://returnself.com



On Jul 10, 2006, at 10:24 AM, Todd Ransom wrote:

> I have a table view in my application that shows an ordered list of 
> items. Each item in the list has a to-one relationship with another 
> item in my document, specified by a popup button in the table. 
> Because order is important I would like to disable sorting, which 
> doesn't make sense for this data. To do this I tried changing the 
> tableview's bindings and leaving out the sortDescriptors bindings 
> as described by mmalc on his bindings page. I also tried unbinding 
> the sortDescriptors as described here:
>
> http://www.cocoabuilder.com/archive/message/cocoa/2005/9/6/145803
>
> The problem is every time I disable sorting on this table view the 
> objects that define to-one relationships are being sent an 
> isEqualToString: message, which of course throws an exception. I 
> see this same problem described in the URL above but no solution. 
> Is this a bug? Is there any workaround that will allow me to 
> disable sorting on a bound table that uses a popup button to 
> specify a relationship?
>
> thanks,
> Todd Ransom
> Return Self Software
> http://returnself.com
>
>
>
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