On Feb 2, 2009, at 8:44 AM, Chris Anderson wrote:

Thanks. And yes the controller has content. In my example below it returns 0 when inside becomeFirstResponder and returns > 0 when I activate detectPicker in the same application instance.

I was more interested in whether myArrayController is nil when - becomeFirstResponder is called. The NSLog below won't tell you that, so I wasn't sure if you specifically checked for nil.

On 2-Feb-09, at 7:40 AM, Keary Suska wrote:


On Feb 1, 2009, at 10:32 PM, Chris Anderson wrote:

I've created a subclass of NSDatePicker to catch when a date picker has focus. I have overridden the becomeFirstResponder method and indeed it detects when it has focus. The code inside the method does work except for any IBOutlets that I may have connected. They don't respond to any requests.

I have verified that the IBOutlets are connected by adding a separate IBAction in the subclass and a simple button to invoke the action. Inside the IBAction I can call the same IBOutlets successfully.

I am baffled as to why when the IBOutlets are inside becomeFirstResponder they don't seem connected. Example below...

-(BOOL)becomeFirstResponder // myArrayController will not respond
{ NSLog(@"DetectDatePicker:firstResponder: %i", [[myArrayController arrangedObjects] count]);
return YES;
}
-(IBAction)detectPicker:(id)sender // myArrayController successfully responds { NSLog(@"DetectDatePicker:performClick: %i",[[myArrayController arrangedObjects] count]);
}


Have you checked whether myArrayController is nil, just whether it has content? Those would likely be two separate issues...



Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"

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