Bernard created WICKET-6811:
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Summary: StatelessForm Button onSubmit premature
Key: WICKET-6811
URL: https://issues.apache.org/jira/browse/WICKET-6811
Project: Wicket
Issue Type: Bug
Components: wicket-core
Affects Versions: 8.9.0
Environment: Windows, java version "1.8.0_201"
Reporter: Bernard
A StatelessForm contains a DataView repeater containing CheckBox form fields.
The StatelessForm also has a Button outside the repeater that submits the
StatelessForm with the objective to extract the CheckBox values. Then the page
should be displayed with the new Dataview content. The page is stateless.
The attached test case shows that onSubmit() is called before the DataView's
populateItem() method. This means that onSubmit() cannot find the CheckBox form
components in the form's component hierarchy, leading to failure.
In a successful variation of the test case, enabled by a boolean switch
STATELESS_DELAY_ACTION = false, the form's action is done by a Runnable
onSubmitRunner which is run later in the StatelessForm's onBeforeRender()
method. That Runnable calls the StatelessForm's onFormSubmitted(null) which is
NOT part of the public API.
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