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https://issues.apache.org/jira/browse/WICKET-3899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140557#comment-13140557
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Pedro Santos edited comment on WICKET-3899 at 11/6/24 3:31 PM:
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> hrm. we need to write up a bunch of tests for IFormVisitorParticipant. a lot
> of things seem to be rather broken.
Form#validateNestedForms
Form#callOnErrorForm#delegateSubmit
are the methods traversing the form hierarchy without the #processChildren test
> looking at ValidationVisitor, for example, there is a check there and a call
> to not go deeper if
> processChildren() returns false. however, this makes little sense since the
> visitor is used at a
> postorder traversal and so by the time the children are visited before the
> component - which
> makes dontgodeeper() a noop.
Indeed, dontgodeeper() both has no effect there as it duplicates the correct
#processChildren test done inside the Form#visitFormComponentsPostOrder. The
same problem happens in Form#callOnError, which is calling #dontGoDeeper inside
a postorder traversal
> further, there is a problem with formvalidators. currently form validators
> only check if the
> dependent form components are visible in hierarchy. but, they also need to
> check if any
> parent of the component is a participant, and if they are test if children
> should be processed.
> this should be done for the rootform->component hierarchy in that order.
> lots of work for this one... :/
I would add that the need to check if dependent components are enabled in the
hierarchy as well, sounds a lot of work indeed
was (Author: pedrosans):
@Igor, we have no reason to be worried about ValidationVisitor being broke
because of the parodox of it being testing a variable relevant for preorder
visits while performing a post one. What happens is that
Visits#visitPostOrderHelper visit all components in the tree using preorder to
test their "visitChildren" control flag.
void visitPostOrderHelper(){
if (filter.visitChildren(container)){
visitPostOrderHelper(); <-- goes deeper only after test if visit children
is allowed, the preorder logic.
}
visitor.component(component, visit); <-- the visit code is placed only after
the recursion one, characterizing the postorder, even after the pre one being
used before to test how deep to go in the tree
}
> IFormVisitorParticipant don't get tested when validation method is visiting
> inner forms
> ---------------------------------------------------------------------------------------
>
> Key: WICKET-3899
> URL: https://issues.apache.org/jira/browse/WICKET-3899
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.4.17, 1.5-RC5.1
> Reporter: Pedro Santos
> Assignee: Pedro Santos
> Priority: Major
> Attachments: WICKET-3899-fix-test.patch, WICKET-3899.patch
>
>
> The inconsistencies is at Form#validate method. It invokes
> validateNestedForms and validateComponents, but only the second one uses a
> visitor filter testing for IFormVisitorParticipant#processChildren value.
> More about: http://markmail.org/message/q2qfuyg3gcrurxxp
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