Try moving your validation logic to onValidate. If any errors are added
to the form in this method Tapestry won't call onSuccess but display the
page again with your errors shown in the Errors component.
-Filip
Will Norris skrev:
As usual, I'm sure I'm just missing something here... I can't quite
figure how to do validation of a custom component. I basically want to
do what is described here[0] about using onSuccess(), but in a component
rather than a page. I basically have a PasswordForm component which
itself has a form, and that needs to verify that the "password" and
"confirm password" fields are equal. I'm able to do this validation in
PasswordForm.onSuccess() without any trouble....
String onSuccess() {
if (!password.equals(password2)) {
log.error("Passwords don't match");
form.recordError("Passwords don't match");
return null;
}
}
but how do I notify the containing page that there is an error?
Currently, the page just moves right along after logging my error
message. I've tried throwing a ValidationException from onSuccess(),
but that ends up being displayed to the user with a stacktrace and all.
I even looked at the standard Form component's onAction method and
copied some stuff from there (specifically looking at
_resources.triggerEvent(FAILURE, context, handler)) but that didn't help
at all. I separately tried extending AbstractField and overriding
processSubmission() as suggested in one post, but that didn't do much
for me.
Any suggestions would be much appreciated.
[0]:
http://tapestry.apache.org/tapestry5/tapestry-core/guide/validation.html
-will
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