On 9/15/05, Eelco Hillenius <
[EMAIL PROTECTED]> wrote:
I'd try to wrap the List in a IModel (like overriding Model's
getObject and let it return the list you want every time), so you get
the pull behaviour. Don't know how you set ListView's model now
though, so you might be doing this the pull way allready.
Eelco
On 9/14/05, Nick Heudecker <[EMAIL PROTECTED]> wrote:
> Okay, the problem is when I'm creating a new Survey. New Surveys don't have
> any SurveyElements so the ListView is empty. When I try to add a Panel to
> the ListView using a Form Button, the ListView doesn't update on the page.
> Here's how I'm trying to do it:
>
> // "elements" is a ListView object initialized earlier.
>
> add(new Button("addAnotherElementButton") {
> protected void onSubmit() {
> elements.modelChanging();
> List<SurveyElement> l = (List<SurveyElement>) elements.getList();
> if (Util.isEmptyOrNull(l)) {
> l = new ArrayList<SurveyElement>();
> }
> elements.removeAll();
> l.add(getSurveyElement(getAddElement()));
> elements.modelChanged();
> }
> });
>
> However, this doesn't work. Any thoughts on what I'm doing wrong? I read
> in the ListView Javadoc about the removeAll() call, but I'm not sure when I
> should be calling that. Additionally, it's unclear to mean if the ListView
> has the new ListItem and it's just not rendering, or if the new ListItem
> isn't being added.
>
>
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