Make Form.callOnError() and Form.persistFormComponentData() protected
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Key: WICKET-2258
URL: https://issues.apache.org/jira/browse/WICKET-2258
Project: Wicket
Issue Type: Improvement
Components: wicket
Environment: Wicket 1.3.4, Wicket 1.4rc2
Reporter: Pablo Abad
Fix For: 1.4-RC4
We are developing a system where some complex validations are handled by the
domain objects.
This means that setting some properties may raise exceptions. While we are
able to catch these exceptions and convert them into meaningful error messages
that get into the feedbackpanel, this only happens when updating the model,
right after calling valid() on the form components, effectively discarding the
values kept in the components.
Our solution would be to alter the form processing so that:
+ Form validators are invoked
+ If none fails, model is updated
+ if the update doesn't fail, components are marked as valid
Since this would change the actual form processing cycle, we do not expect
Wicket to provide this behavior out of the box, but when we attempted to
subclass Form, and override process() we found out that methods callOnError()
and persistFormComponentData() called in the implementation of that method are
private. We need them to be at least protected so that we can rewrite the
onProcess to suit our needs
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