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Re: Continous updates from NSForm

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Re: Continous updates from NSForm

Subject: Re: Continous updates from NSForm
From: Derrick Bass <email@hidden>
Date: Tue, 15 Nov 2005 22:58:52 -0800

On Nov 14, 2005, at 6:26 PM, I wrote:

I want to be able to update the enabled state of a button continuously as the user types in an NSForm. (I.e. when the data is valid, the "Okay" button is instantly enabled.) Is there a way to get NSForm to send its action on every keypress, paste, etc? Or is there another way to accomplish what I want to do?

Well, I still have no idea how to do this manually, but Cocoa Bindings can do it. I connected (or do I say "bound"?) the NSForm to keys in my model and connected the button to a method called questionAnswerValid and then put this in the initialize method: [self setKeys:[NSArray arrayWithObjects:@"question",@"answer",nil] triggerChangeNotificationsForDependentKey:@"questionAnswerValid"];

Derrick

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  >Continous updates from NSForm (From: Derrick Bass <email@hidden>)




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