Hi, try:
yourListView.setReuseItems(true);
From the JavaDoc:
*WARNING:* though you can nest ListViews within Forms, you HAVE to set the
setReuseItems property to true in order to have validation work properly. By
default, setReuseItems is false, which has the effect that ListView replaces
all child components by new instances. The idea behind this is that you
always render the fresh data, and as people usually use ListViews for
displaying read-only lists (at least, that's what we think), this is good
default behavior.
However, as the components are replaced before the rendering starts, the
search for specific messages for these components fails as they are replaced
with other instances. Another problem is that 'wrong' user input is kept as
(temporary) instance data of the components. As these components are
replaced by new ones, your user will never see the wrong data when
setReuseItems is false.
*
*
On Fri, Oct 15, 2010 at 9:58 AM, Patrick Petermair [via Apache Wicket]
ml-node+2996972-1727673597-65...@n4.nabble.comml-node%2b2996972-1727673597-65...@n4.nabble.com
wrote:
Hey!
I have ListView and every ListItem has multiple AjaxEditableLabels and
one FeedbackPanel added to it. Each FeedbackPanel should only show
messages that were reported within the same listitem.
I tried the following but it didn't work:
protected void populateItem(final ListItem item) {
[...]
item.add(new FeedbackPanel(someId, new
ContainerFeedbackMessageFilter(item)));
}
Somehow when the AjaxEditablelabel submits, the list items get created
from scratch, which screws up object references and therefore
container.contains(message.getReporter(), true) of the
ContainerFeedbackMessageFilter never returns true.
Am I doing something wrong here? What would be the proper way to check
if a feedback message was created within a listitem?
Cheers,
Patrick
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