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Lorenzo Thurman
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 Posted: Tue Jul 03, 2007 4:12 pm Post subject: NSNumberFormatter Q |
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| I'm using a couple of formatters in my app setup via IB to keep values within a range. This works, and when an out of range value is entered, I get the dialog box explaining the error. How do I override the default and provide my own? I've gone through the docs for NSNumberFormatter, but can't figure it out. Can someone give me a pointer? TIA |
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Nick Tamburri
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| Posted: Thu Jul 05, 2007 7:58 pm Post subject: Re: NSNumberFormatter Q |
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Lorenzo Thurman <lorenzo@diespammerhethurmans.com> writes:
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| I'm using a couple of formatters in my app setup via IB to keep values within a range. This works, and when an out of range value is entered, I get the dialog box explaining the error. How do I override the default and provide my own? I've gone through the docs for NSNumberFormatter, but can't figure it out. Can someone give me a pointer? |
I believe you want to look at the delegate methods of NSControl.
For your purpose you have to set a delegate for the controller that the NSNumberFormatter is attached to. That delegate must implement the method control:didFailToValidatePartialString:errorDescription:
Hope that helps.
/nt |
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Lorenzo Thurman
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| Posted: Thu Jul 05, 2007 11:11 pm Post subject: Re: NSNumberFormatter Q |
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Nick Tamburri wrote:
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Lorenzo Thurman <lorenzo@diespammerhethurmans.com> writes:
| Quote: |
| I'm using a couple of formatters in my app setup via IB to keep values within a range. This works, and when an out of range value is entered, I get the dialog box explaining the error. How do I override the default and provide my own? I've gone through the docs for NSNumberFormatter, but can't figure it out. Can someone give me a pointer? |
I believe you want to look at the delegate methods of NSControl.
For your purpose you have to set a delegate for the controller that the NSNumberFormatter is attached to. That delegate must implement the method control:didFailToValidatePartialString:errorDescription:
Hope that helps.
/nt |
Thanks for the reply. I'm going over the Data Formatting docs again and things are getting clearer the second time through. |
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