[jira] Updated: (WICKET-2497) AutoComplete textfield ignores "visible" property within hierarchy.

["Ann Baert (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-2497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ann Baert updated WICKET-2497:
------------------------------

    Attachment: AutoCompleteVisibilityBug.zip

Demo webapplication

> AutoComplete textfield ignores "visible" property within hierarchy.
> -------------------------------------------------------------------
>
>                 Key: WICKET-2497
>                 URL: https://issues.apache.org/jira/browse/WICKET-2497
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-extensions
>    Affects Versions: 1.4.2
>            Reporter: Ann Baert
>         Attachments: AutoCompleteVisibilityBug.zip
>
>
> When writing an autocomplete textfield on a form that is first visible,
> and after an ajax call rendered invisible, the autocomplete textfields
> on this form get rendered anyway in the ajax response.
> The method "renderAutocompleteHead" in AbstractAutocompleteBehavior gets executed,
> even if the AutoComplete component to which it is attached is not visible within the
> component hierarchy. 
> Below the snippet of code that solved it for us ...
> In the class AbstractAutoCompleteBehavior, a test on the visibility was added.
> public void renderHead(IHeaderResponse response) {
>         if(this.getComponent().isVisibleInHierarchy()) {
>             super.renderHead(response);
>             renderAutocompleteHead(response);
>         }
>     } 
> The error becomes visible in the debug window on the webpage.

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