self registering NSValueTransformer and bindings

[Torsten Curdt]

I have a self registering NSValueTransformer that requires a binding.

@interface MyValueTransformer : NSValueTransformer {
    IBOutlet NSTabView *tabView;
}

+ (Class)transformedValueClass;
+ (BOOL)allowsReverseTransformation;
- (id)transformedValue:(id)value;

@implementation MyValueTransformer

// from http://www.gigliwood.com/weblog/
+ (void)load
{
    NSLog(@"registered %@", NSStringFromClass([self class]));

    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    [pool release];
}

+ (Class)transformedValueClass
{
    return [NSNumber class];
}

+ (BOOL)allowsReverseTransformation
{
    return NO;
}

- (id)transformedValue:(id)value
{
    NSLog(@"transforming value %@ for view %@", value, tabView);

    return [NSNumber numberWithInt:0];
}

@end



Any idea?

cheers
--
Torsten

NSValueTransformer *theTransformer = [[[self alloc] init] autorelease]; [NSValueTransformer setValueTransformer:theTransformer forName:NSStringFromClass([self class])]; I've instantiate it through the NIB. Which works fine! I do see the NSLog lines and all. Unfortunately the IBOutlet stays nil ...but in the bindings inspector I can see the proper binding on the transformer.

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