Sure, i can look into it, as soon as someone give me a code that can
reproduce the problem :)
-Matej
On 6/13/07, Al Maw <[EMAIL PROTECTED]> wrote:
> Hmmm,
>
> This bug looks suspiciously like another onAttach/onBeforeRender issue.
> Matej seems good at debugging those, care to comment? :-)
>
> Al
>
> Alex Objelean wrote:
> > I have a question about the render method. Why, before rendering, instead of
> > checking isVisibleInHierarchy(), isVisible() is called?
> > public final void render(final MarkupStream markupStream)
> > {
> > setMarkupStream(markupStream);
> > setFlag(FLAG_IS_RENDERED_ONCE, true);
> >
> > // Determine if component is visible using it's authorization
> > status
> > // and the isVisible property.
> > if (isRenderAllowed() && isVisible()) //why not
> > isVisibleInHierarchy() ??
> > {
> > //etc...
> > }
> > //more code.
> > }
> >
> > I am asking because I suspect a bug with the following StackTrace:
> >
> > Caused by: java.lang.NullPointerException
> > at wicket.markup.html.list.ListView.renderItem(ListView.java:676)
> > at wicket.markup.html.list.ListView.onRender(ListView.java:637)
> >
> > I happens when an AjaxTabbedPanel is updated via ajax. The tabbedPanel
> > contains a holder Panel with a ListView child component. The visibility of
> > the holder Panel is decided dynamicaly by overriding isVisible method.
> >
> > Maybe later I will try to isolate this situation and to make it more clear.
> > Still, I would like to know if you've encountered something like this.
> >
> > Thank you!
>
>
> --
> Alastair Maw
> Wicket-biased blog at http://herebebeasties.com
>
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