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Re: textShouldNotEvenThinkAboutEndEditingIfItKnowsWhatIsGoodForIt

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Re: textShouldNotEvenThinkAboutEndEditingIfItKnowsWhatIsGoodForIt

Subject: Re: textShouldNotEvenThinkAboutEndEditingIfItKnowsWhatIsGoodForIt
From: Scott Stevenson <email@hidden>
Date: Thu, 2 Dec 2004 12:18:25 -0800


On Dec 2, 2004, at 8:00 AM, Graham J Lee wrote:

However I've noticed that if a user enters an out-of-range number and then, rather than hitting return or tab, just presses e.g. a button, then the method invoked by that button does run and does see the current intValue of the field and hence crashes and burns. Now I've just noticed the existence of NSStepper, but before I [i]dig into that [ii]change my UI as a result, is there a way of making sure that the NSTextField's content is *definitely* validated before it is used?


Key-value validation?

http://developer.apple.com/documentation/Cocoa/Conceptual/ KeyValueCoding/Concepts/Validation.html

Works well with bindings.


    - Scott


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  >textShouldNotEvenThinkAboutEndEditingIfItKnowsWhatIsGoodForIt (From: Graham J Lee <email@hidden>)




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