On Apr 29, 2012, at 6:24 PM, Koen van der Drift wrote:
> I have a follow up question.
>
> One of the columns in the table shows a number (a float), and I have added a
> min and max value property to my controller to filter the data in the table.
> I could filter the data every time the user changes the min and/or max values
> but that means I need to recreate the data every time which is not very
> efficient. So bindings to the rescue, I thought.
>
> However, NSTableColumn does not have min/max bindings to use. I tried adding
> an NSNumberFormatter to the column, but there are no min/max bindings for
> that as well.
Yes, it does, but only if the cell prototype has an NSNumberFormatter attached
to it. How did you apply the formatter? Table columns cannot have formatters
that I know of. Setting an outlet may not be sufficient, if you are using that
approach.
> On Apr 29, 2012, at 12:22 PM, Koen van der Drift wrote:
>
>>
>> On Apr 28, 2012, at 6:21 PM, Keary Suska wrote:
>>
>>> Are you updating the model data in a KVO-compliant way?
>>
>> Bingo! Thanks for pointing that out, I kept looking at my connections in
>> IB, and forgot about the actual code.
>>
>> So for future reference, my data model is an NSMutableArray. Instead of
>> adding objects by calling addObject, I need to call it as follows:
>>
>> - (void)addMyObject:(MyObject *)obj
>> {
>> NSMutableArray *temp = [self mutableArrayValueForKey: @"myArray"];
>> [temp addObject: obj];
>> }
>>
>> And the same for all the other array changing methods.
>>
>> It all works fine now.
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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