I have a page with a dropdown list on it with authors. If I enter a new
book I want my fields to be filled based on the ISBN. This works just
fine. But now I want those fields to be filled with data I collect from
the internet, meaning that it isn't always already in my database, and
therefor the author might not yet be in the list. I have already decided
to save the new author so I can select it in the list, but the list
isn't updated, and I can't figure out how to get it to update.
Here are some pieces of code I think are relevant:
This is how I create the authorfield:
authorField = new MultiSelectFieldSwitchPanel("authors", dataRetriever.fetchAuthors(),
new PropertyModel(this, "book.authors"));
dataRetriever.fetchAuthors return a List<Author>
Here's the constructor of MultiSelectFieldSwitchPanel which extends
FormComponentPanel:
public MultiSelectFieldSwitchPanel(final String id, final List<? extends DomainObject>
authors, final IModel<List<Author>> model) {
super(id, model);
lmc = new ListMultipleChoice("selectField", new PropertyModel<List<Author>>(this, "selectedObjects"),
authors, new ChoiceRenderer<DomainObject>("name", "id"));
init(lmc);
}
The init method adds a link to swap the lmc for a textfield where new
authors can be entered, which is not really relevant in this case.
I have of course already added authorField to the AjaxRequestTarget in
the behavior that is triggered by updating the ISBN.
Regards,
Linda
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