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From Greg Brown <gk_br...@verizon.net>
Subject Re: TextInput and Validator issues
Date Mon, 07 Mar 2011 00:49:46 GMT
I was going to suggest something like this, though it seems like it might be better to make
this configurable in the stock validator.

On Mar 6, 2011, at 2:26 PM, Chris Bartlett wrote:

> On 6 March 2011 16:11, anton dos santos <adsantos@free.fr> wrote:
> I also tried StrictValidation="true" and an intValidator that accepts empty input by
overriding isValid():
>    public boolean isValid(String text) {
>        final ParsePosition pos = new ParsePosition(0);
>        Object obj = format.parseObject(text, pos);
>        if( obj == null || text.length() == 0) {
>          return true;
>        }
> 
>        // the text is only valid is we successfully parsed ALL of it. Don't want trailing
bits of
>        // not-valid text.
>        return obj != null && pos.getErrorIndex() == -1 && pos.getIndex()
== text.length();
>    }
> this works fine until user erases everything in the TextInput, from then on use can enter
any character, he is no longer limited to digits.
> 
> What else could I try ?
> 
> 
> This seems to work for me.
> 
> 
> public class XXXIntRangeValidator extends IntRangeValidator {
>   // Constructors...
> 
>   @Override
>   public boolean isValid(String text) {
>  	  return (text.length() == 0) || super.isValid(text); 
>   }
> }


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