[jira] Commented: (WICKET-2049) beforeRender not called for behaviour added to ComponentTag

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

    [ https://issues.apache.org/jira/browse/WICKET-2049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12676997#action_12676997 ] 

David commented on WICKET-2049:
-------------------------------

Neither do I see any way to fix, but the WicketRemoveTagHandler way is not a solution, as then the java component hierarchy will no longer match the markup hierarchy

> beforeRender not called for behaviour added to ComponentTag
> -----------------------------------------------------------
>
>                 Key: WICKET-2049
>                 URL: https://issues.apache.org/jira/browse/WICKET-2049
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.3.5
>            Reporter: David
>            Assignee: Juergen Donnerstag
>         Attachments: ComponentTagAddBehaviourBug.zip
>
>
> When adding a IMarkupFilter and adding a behaviour to the ComponentTag, the beforeRender method is never called, only onComponentTag will be called, but by then it is too late to modify the component.
> Usecase: I would like to make components hidden if the markup contains wicket:hidden="hidden". For this i need to modify the components visiblitiy depending on if the markup contains that attribute.
> The attached quickstart will never reach the System.out.println("beforeRender: should hide component"); in HiddenComponentMarkupFilter

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