group of requred fields

[gorny]

Hi,
I have a form with two required fields for example: age and dateOfBirth,
all of them are required, but if they are in special group, then only one of
them is required.
In my custom class CustomFieldBlocks.java which  implements
PropertyOverrides, I should return field validator for the field. 
The main question is: How to implement custom validator with only one
required field from set of fields. 
For example : 
private FieldValidator getValidator(Field field) {
FieldValidator contextValidator = context.getValidator(field);
PropertyModel propertyModel =
beanModel.getById(context.getPropertyId());
String propertyLabel = propertyModel.getPropertyName();
if (propertyModel != null 
mandatoryCustomFields.contains(propertyLabel)) {
 ListField fields = new ArrayListField();
// here I want to get all required fields for pass
 for (String fieldLabel : mandatoryCustomFields){
  Field field = ?
  fields.add(field);
 }
GroupValidator groupValidator = new GroupValidator(fields,
groupValidator);
return new
CompositeFieldValidator(Arrays.asList(groupValidator, contextValidator));
} else {
FieldValidator required =
fieldValidatorSource.createValidator(field, required, null);
return new CompositeFieldValidator(Arrays.asList(required,
contextValidator));
   }
   return contextValidator;
}



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Re: group of requred fields

[gorny]

I have groups of fields with only one required field in the same group (any
but only one field from such group must be specified) It is all i need in
the BeanEditor where amount of fields vary on some conditions.



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Re: group of requred fields

[Lance Java]

Yes, and if your read the javadoc for FieldValidator it says Responsible for
validation of a single field.
http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/FieldValidator.html

Since you need to validate a group of fields, you will need to use the
form's validate event. eg onValidateFromMyForm() where MyForm is the id of
your form.



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Re: group of requred fields

[Lance Java]

Here's an example
http://jumpstart.doublenegative.com.au/jumpstart/examples/input/morevalidation



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