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Posted to users@tapestry.apache.org by gorny <dh...@gmail.com> on 2013/03/18 12:12:49 UTC
group of requred fields
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)) {
List<Field> fields = new ArrayList<Field>();
// 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
Posted by Lance Java <la...@googlemail.com>.
Here's an example
http://jumpstart.doublenegative.com.au/jumpstart/examples/input/morevalidation
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Re: group of requred fields
Posted by Lance Java <la...@googlemail.com>.
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
Posted by gorny <dh...@gmail.com>.
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
Posted by Lance Java <la...@googlemail.com>.
FieldValidators are only for when you want to validate a single field at a
time. If you want to validate a group of fields, use the onValidateFromX()
function where X is your form id.
http://jumpstart.doublenegative.com.au/jumpstart/examples/input/mixedvalidation
http://tapestry.apache.org/forms-and-validation.html
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