Hi,
i have to implement a questionnaire but i'm not sure how to capture the
selected values in a model.
My questionnaire has some questions. The questions have some reply options.
The selected reply options will be assigned to an answer. The answers
are the data i try to capture.
So i put the questions in a listview and a dropdown for the reply
options on it's item.
But i have no clue how to implement the "business model" containing the
answers.
Every answer is related to one selected reply option.
Can some1 please give me some pointers. Thanks for your support.
Per
Here some code
<code>
public class QuestionListView extends ListView<QuestionBO> {
public QuestionListView(String id, IModel<? extends List<?
extends QuestionBO>> model) {
super(id, model);
}
@Override
protected void populateItem(ListItem<QuestionBO> item) {
item.add(new Label("questionText", new
PropertyModel<String>(item.getModel(), QuestionBO.TEXT)));
// TODO the null has to be replaced by a smart model
assigning the selected reply option to an answer in the business model
item.add(new DropDownChoice<ReplyOptionBO>("replyOptions",
null, new LoadableDetachableReplyOptionsModel(item.getModel()), new
ReplyOptionBORenderer()));
}
}
public class LoadableDetachableReplyOptionsModel extends
LoadableDetachableModel<List<? extends ReplyOptionBO>> {
private final IModel<QuestionBO> question;
public LoadableDetachableReplyOptionsModel(IModel<QuestionBO>
question) {
this.question = question;
}
@Override
protected List<? extends QuestionBO> load() {
return service.loadReplyOptionsFor(question.getObject());
}
@Override
public void detach() {
question.detach();
super.detach();
}
}
</code>
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