Re: NSFormatter usage

Short Answer:

Yes, this is a good way to accomplish this.  See here for an example:
http://wocode.com/cgi-bin/WebObjects/WOCode.woa/2/wa/ShareCodeItem? 
itemId=235&wosid=ubftWNRsTTQrxlHSq58YLg

Chuck


On Feb 8, 2006, at 10:00 AM, Dev WO wrote:

> Hi guys,
> I'm trying to read as much as I can before posting, but sometimes I  
> just can't find what I'm looking for...
> So actually I'm wondering if I could use NSFormatter on a  
> WOTextField to apply certain rules:
> let's say I have a WOTextField for the user to enter his email. I  
> want to make sure it will be lowercase (just an example). Assuming  
> I already have in my code a method that take a string as an  
> argument and return it lowercased, how I would "create" the correct  
> NSFormatter?
>
> I'm asking this because the other way I can think of is to create  
> an instance variable to store the email entered, then pass this  
> object to my toLowerCase method and finally call the setEmail method.
> Which is of course not that funny;)
>
> So I was wondering if I could call my toLowerCase method using a  
> NSFormatter.
>
> toLowerCase is of course just to illustrate my meaning;)
>
> In fact, what I'd like to do is to "format" the text input before  
> making any validation on it. I think I could use many stuff to  
> achieve that, and most probably things more advanced/powerful like  
> stuff from Wonder, but I don't feel like I'm ready for it;) still  
> too beginner:)
>
> If someone could give me his opinion, regarding both the  
> NSFormatter part or the "way of thinking";)
>
> Thanks a lot
>
> Xavier
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