So the serverside is not called the first time at all? (you have debugged that?)
Then it seems that it is a javascript issue. Look in the browser why
it isnt called.
On 3/31/08, Thomas Kappler <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I'm seeing a strange behavior on one of my pages. Using
> wicketstuff-scriptaculous, users drag a row from a ListView to another
> component. This triggers an association between the two model
> objects, which is also persisted via Hibernate. Relevant code:
>
> protected void onDrop(Component component,
> AjaxRequestTarget target) {
> if (component.getModelObject() instanceof Fiche) {
> // a fiche being dropped
> Fiche f = (Fiche) component.getModelObject();
> sense.getFiches().add(f);
> DataStaticService.getHibernateSession().flush();
> DataStaticService.getHibernateSession().merge(sense);
>
> DataStaticService.getHibernateSession().getTransaction().commit();
> sensesPanel.update(node, target);
> }
> }
>
> The update() in the last line triggers a target.addComponent() of the
> panel containing the ListView, which should cause it to remove the
> dropped element, as it has been handled. (The model backing the
> ListView is the result of a database query getting the Fiches which
> are not associated to a Sense.)
>
> Now, what I see is that the first drop after the page is loaded
> doesn't trigger the update, the ListView stays untouched. However,
> when I drop the second and more elements, it starts working. But the
> first dropped element is always displayed, so the ListView is always
> off by one. A manual page reload again causes the next drop to not
> update the ListView.
>
> What gives? The fact that it starts working at some time seems to
> indicate my backend/domain logic is correct. I can post more code,
> but perhaps someone can already give a direction where to look.
>
> Cheers,
> Thomas
>
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