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Posted to users@tapestry.apache.org by Jun Tsai <ju...@gmail.com> on 2006/01/05 13:52:26 UTC
How to define an integer validator in T4?
hi
I didn't find a int validator defied in
tapestry.form.validator.Validators.I want to
<component type="TextField" id="molecularWeightField">
<binding name="displayName" value="message:molecularWeight"/>
<binding name="translator" value="translator:number"/>
<binding name="validators" value="validators:int,maxLength=10"/>
<binding name="value" value="ognl:entity.molecularWeight"/>
</component>
but no int validator.
How to do ?
Thanks
Jun Tsai
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Re: How to define an integer validator in T4?
Posted by Jun Tsai <ju...@gmail.com>.
if I input xx.xx ,some exception was thrown.
2006/1/5, Ron Piterman <rp...@gmx.net>:
> BTW, i think that tapestry will drop the digits to the right of the
> decimal point if you don't set any validator, so you can just use an
> integer property and everything should work.
> This will however not give the user any error messages...
> Cheers,
> ROn
>
> Jun Tsai wrote:
> > hi
> > I didn't find a int validator defied in
> > tapestry.form.validator.Validators.I want to
> >
> > <component type="TextField" id="molecularWeightField">
> > <binding name="displayName" value="message:molecularWeight"/>
> > <binding name="translator" value="translator:number"/>
> > <binding name="validators" value="validators:int,maxLength=10"/>
> > <binding name="value" value="ognl:entity.molecularWeight"/>
> > </component>
> >
> > but no int validator.
> >
> > How to do ?
> >
> > Thanks
> >
> > Jun Tsai
> > --
> > Welcome to China Java Users Group(CNJUG).
> > http://cnjug.dev.java.net
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: tapestry-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: tapestry-user-help@jakarta.apache.org
> >
> >
>
>
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Re: How to define an integer validator in T4?
Posted by Ron Piterman <rp...@gmx.net>.
BTW, i think that tapestry will drop the digits to the right of the
decimal point if you don't set any validator, so you can just use an
integer property and everything should work.
This will however not give the user any error messages...
Cheers,
ROn
Jun Tsai wrote:
> hi
> I didn't find a int validator defied in
> tapestry.form.validator.Validators.I want to
>
> <component type="TextField" id="molecularWeightField">
> <binding name="displayName" value="message:molecularWeight"/>
> <binding name="translator" value="translator:number"/>
> <binding name="validators" value="validators:int,maxLength=10"/>
> <binding name="value" value="ognl:entity.molecularWeight"/>
> </component>
>
> but no int validator.
>
> How to do ?
>
> Thanks
>
> Jun Tsai
> --
> Welcome to China Java Users Group(CNJUG).
> http://cnjug.dev.java.net
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tapestry-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: tapestry-user-help@jakarta.apache.org
>
>
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Re: How to define an integer validator in T4?
Posted by Ron Piterman <rp...@gmx.net>.
see wiki -> tapestry 4.0 -> howtos -> creating custom vlalidators.
Jun Tsai wrote:
> hi
> I didn't find a int validator defied in
> tapestry.form.validator.Validators.I want to
>
> <component type="TextField" id="molecularWeightField">
> <binding name="displayName" value="message:molecularWeight"/>
> <binding name="translator" value="translator:number"/>
> <binding name="validators" value="validators:int,maxLength=10"/>
> <binding name="value" value="ognl:entity.molecularWeight"/>
> </component>
>
> but no int validator.
>
> How to do ?
>
> Thanks
>
> Jun Tsai
> --
> Welcome to China Java Users Group(CNJUG).
> http://cnjug.dev.java.net
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tapestry-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: tapestry-user-help@jakarta.apache.org
>
>
---------------------------------------------------------------------
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Re: How to define an integer validator in T4?
Posted by Shing Hing Man <ma...@yahoo.com>.
There is a short article in the wiki that shows how to
create your own
validator.
http://wiki.apache.org/jakarta-tapestry/HowTos
You need something like the following.
public class IntegerValidator extends BaseValidator {
public void validate(IFormComponent form,
ValidationMessages messages, Object obj)
throws ValidatorException {
String input = (String)obj;
try {
Integer.parseInt(input.trim());
}
catch (NumberFormatException nfe){
throw new ValidatorException(getMessage());
}
}
}
Add the following to hivemodule.xml :
<contribution
configuration-id="tapestry.form.validator.Validators">
<validator name="integer" configurable="true"
class="math.validators.IntegerValidator"/>
</contribution>
In your .page :
<bean name="integerValidator"
class="math.validators.IntegerValidator">
<set name="message" value="literal:Preference
must be an integer"/>
</bean>
<binding name="validators"
value="validators:$integerValidator"/>
Shing
--- Jun Tsai <ju...@gmail.com> wrote:
> hi
> I didn't find a int validator defied in
> tapestry.form.validator.Validators.I want to
>
> <component type="TextField"
> id="molecularWeightField">
> <binding name="displayName"
> value="message:molecularWeight"/>
> <binding name="translator"
> value="translator:number"/>
> <binding name="validators"
> value="validators:int,maxLength=10"/>
> <binding name="value"
> value="ognl:entity.molecularWeight"/>
> </component>
>
> but no int validator.
>
> How to do ?
>
> Thanks
>
> Jun Tsai
> --
> Welcome to China Java Users Group(CNJUG).
> http://cnjug.dev.java.net
>
>
---------------------------------------------------------------------
> To unsubscribe, e-mail:
> tapestry-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail:
> tapestry-user-help@jakarta.apache.org
>
>
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