[jira] Updated: (WICKET-1727) Prepending JS in AjaxRequestTarget via listener is unusable

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

     [ https://issues.apache.org/jira/browse/WICKET-1727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Igor Vaynberg updated WICKET-1727:
----------------------------------

    Fix Version/s: 1.5-M2
                       (was: 1.5-M1)

> Prepending JS in AjaxRequestTarget via listener is unusable
> -----------------------------------------------------------
>
>                 Key: WICKET-1727
>                 URL: https://issues.apache.org/jira/browse/WICKET-1727
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.4-M2
>         Environment: java 1.6, windows
>            Reporter: Karel Cabel
>            Assignee: Matej Knopp
>             Fix For: 1.5-M2
>
>
> If component wants prepend javascript in ajax request, the only way to do it is register itself like listener in ajax request and then implements
> method AjaxRequestTarget.IListener.onBeforeRespond. This method is called before prepending. Other methods (like onRender, onBeforeRender, ...)
> are called AFTER prepending, so they can't be used for...
> It works, but problem is, who will register this component? Now, it must be registered manually in ajax method and this method
> must know, that this component will be rendered in this ajax request. And this is very bad.
> In other words, component has no chance to register itself BEFORE prepending...
> I think, that there should be some method (like onBeforeRender) called in AjaxRequestTarget.respond() BEFORE prepending (called on every component)...
> Karel

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