Re: Stuck with NSSortDescriptor
Re: Stuck with NSSortDescriptor
- Subject: Re: Stuck with NSSortDescriptor
- From: Micha Fuhrmann <email@hidden>
- Date: Fri, 4 May 2007 20:22:28 +0200
Greg,
thanks for pointing me, it was indeed the Array issue.
Thanks again.
Micha
On 2 mai 07, at 19:50, Greg Titus wrote:
Hi Micha,
You don't give us the code where you add the sort descriptor to the
array controller, but from the looks of things, are you maybe
calling [arrayController setSortDescriptors:alphaSortDescriptor]
(i.e. setting just the descriptor itself, instead of an array of
descriptors)?
The code should look something like [arrayController
setSortDescriptors:[NSArray arrayWithObject:alphaSortDescriptor]];.
I only ask because the exception that you are getting looks like
something is trying to treat an NSSortDescriptor as if it were an
NSArray.
Hope this helps,
- Greg
On May 2, 2007, at 9:44 AM, Micha Fuhrmann wrote:
Hi there,
I've got an NSArrayController pointing to NSSortDescriptor in a
custom class using the Model Key Path in the IN Bindings.
Here's the sort descriptor:
alphaSortDescriptor = [[NSSortDescriptor alloc]
initWithKey:@"artist" ascending:YES selector:@selector
(caseInsensitiveCompare:)];
The same NSArrayController has its Model Key Path's contentArray
set as:
@distinctUnionOfObjects.artist
and is working fine without the descriptor.
However as soon as I link the NSSortDescriptor I get the following
error message:
[NSSortDescriptor count]: selector not recognized [self = 0x396fd0]
An uncaught exception was raised
[NSSortDescriptor count]: selector not recognized [self = 0x396fd0]
Uncaught exception: <NSInvalidArgumentException> *** -
[NSSortDescriptor count]: selector not recognized [self = 0x396fd0]
Any help greatly appreciated.
Micha
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