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https://issues.apache.org/jira/browse/WICKET-6503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16292954#comment-16292954
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ASF subversion and git services commented on WICKET-6503:
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Commit 16453f4a2e553e9bf9b2997d8615437fcc01392e in wicket's branch
refs/heads/WICKET-6503_ajax_feedback_prepare from [~svenmeier]
[ https://git-wip-us.apache.org/repos/asf?p=wicket.git;h=16453f4 ]
WICKET-6503 small optimization for ajax update
> Ajax refresh and feedback panel
> -------------------------------
>
> Key: WICKET-6503
> URL: https://issues.apache.org/jira/browse/WICKET-6503
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 6.28.0, 7.9.0, 8.0.0-M8
> Reporter: Martin Makundi
> Assignee: Sven Meier
> Labels: ajax
> Attachments: AjaxRequestTarget.diff.txt,
> WICTKET-6503-feedbacks-prepare-last.zip, Wicket8_Quickstart-IListener.zip,
> Wicket8_Quickstart-nested.zip, Wicket8_Quickstart.zip
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> For normal rendering we have:
> {{{{ /**
> * We need to postpone calling beforeRender() on components that
> implement {@link IFeedback}, to
> * be sure that all other component's beforeRender() has been already
> called, so that IFeedbacks
> * can collect all feedback messages. This is the key under list of
> postponed {@link IFeedback}
> * is stored to request cycle metadata. The List is then iterated over
> in
> * {@link #prepareForRender()} after calling {@link #beforeRender()},
> to initialize postponed
> * components.
> */
> private static final MetaDataKey<List<Component>> FEEDBACK_LIST = new
> MetaDataKey<List<Component>>()
> {
> private static final long serialVersionUID = 1L;
> };
> }}}}
> Should there be similar functionality built in for Ajax update? It seems to
> be a typical problem that the feedback of an ajax update occurs too late.
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