[jira] [Assigned] (WICKET-3563) Interaction betwen IAjaxRegionMarkupIdProvider, renderPlaceholderTag and visibility

["Martin Grigorov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-3563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Grigorov reassigned WICKET-3563:
---------------------------------------

    Assignee: Martin Grigorov

> Interaction betwen IAjaxRegionMarkupIdProvider, renderPlaceholderTag and visibility
> -----------------------------------------------------------------------------------
>
>                 Key: WICKET-3563
>                 URL: https://issues.apache.org/jira/browse/WICKET-3563
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-core
>    Affects Versions: 1.4.16
>            Reporter: Paul Jackson
>            Assignee: Martin Grigorov
>         Attachments: fix-WICKET-3563.patch, markupid.zip
>
>
> I've just discovered what I think is a bug with
> IAjaxRegionMarkupIdProvider. We are using it on a Behavior that provides
> a border to form components (label, mandatory marker, etc), which for
> the most part works great.
> We have encountered a problem when toggling the visibility of a form
> component with this behavior via ajax. 
> The component is first sent out visible and the markup is all correct.
> A change elsewhere on the page causes the component to be set to not
> visible and redrawn via ajax. The ajax response contains a tag with a
> markupid generated via renderPlaceholderTag. This does not take into
> account the  IAjaxRegionMarkupIdProvider behaviour.
> Another change happens on the page causing the component to become
> visible, and the ajax replace can't happen because the component with
> the correct markupId is not present.

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