Well the model doesn't update. (Not that I'd expect it to.)
Here's some pieces of my code I deem relevant to the problem.
if (key == null || key.getIsbn() == null) {
book = new Book();
} else {
book = bookRetriever.getBook(key.getIsbn(), key.getCollectionId());
}
setDefaultModel(new CompoundPropertyModel<Book>(book));
// ...
isbnField.add(new AjaxFormComponentUpdatingBehavior("onchange") {
private static final long serialVersionUID = 1L;
@Override
protected void onUpdate(final AjaxRequestTarget target) {
try {
book = bookRetriever.getBook(isbnField.getInput());
modelChanged();
target.addComponent(titleField);
//...
target.addComponent(genrefield);
} catch (SQLException e) {
//...
}
}
});
John Krasnay wrote:
Sounds like you're on the right track. What's the problem?
jk
On Wed, Aug 12, 2009 at 04:27:41PM +0200, Linda van der Pal wrote:
I have a panel with a form. This form has several fields, one of which
is the ISBN of a book. The fields are filled by a CompoundPropertyModel
if the user is editing his previous entry, and they are empty if the
user is adding a new book. Simply entering data or updating it and then
submitting already works. But now I want to fetch the data for the other
fields if the ISBN is already in the database. It is a multi-user
system, so it is in fact possible that the ISBN is already in there.
I was thinking of achieving this with AJAX, but I'm not really sure how
to do it. I was thinking of adding an AjaxFormComponentUpdatingBeavior,
where all the related fields are added to the target. But as the ISBN is
part of the model, I don't really now how to get this working. Any hints
on what direction I should be searching in?
Regards,
Linda
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