Johannes,
You haven't attached a model to the dropdown choice. The constructor you
are using implies having a CompoundPropertyModel as ListItem.model. You
don't have this, so you need to use another constructor:
item.add(new DropDownChoice ("paxProZimmerart", new
PropertyModel(terminDetail, "paxProZimmerart"),
terminDetail.getMoeglichePaxAnzahlen()));
Looking at your code, I suspect you will be getting other exceptions, as
you render your components conditionally, this will give exceptions.
Better to use:
protected void populateItem(ListItem item) {
final TerminDetail terminDetail = (TerminDetail) item.getModelObject();
boolean visible = terminDetail.getFreieKontingente() > 0;
item.add(new Label("zimmerart",
terminDetail.getZimmerart()).setVisible(visible));
item.add(new DropDownChoice ("paxProZimmerart",
new PropertyModel(terminDetail, "paxProZimmerart"),
terminDetail.getMoeglichePaxAnzahlen()).setVisible(visible);
}
Martijn
Johannes Fahrenkrug wrote:
I attached the exception and this is the code I use to build the list:
add (zimmerartenList = new ListView ("zimmerartenList",
termin.getTerminDetails()) {
private static final long serialVersionUID =
2623213955857979457L;
@Override
protected void populateItem(ListItem item) {
final TerminDetail terminDetail = (TerminDetail)
item.getModelObject();
if( terminDetail.getFreieKontingente() > 0 ) {
item.add(new Label("zimmerart",
terminDetail.getZimmerart()));
item.add(new DropDownChoice ("paxProZimmerart",
terminDetail.getMoeglichePaxAnzahlen()));
}
}
});
Johan Compagner wrote:
what kind of exception?
Johannes Fahrenkrug wrote:
Hi,
I'm new to Wicket and I have a question. I need to generate and display
a List of DropDownChoices. This is the scenario:
I have different room types and for every room type I have certain
vacancies. So I need to have something like this:
Double room - [Choose one ]
[2 ]
[4 ]
[6 ]
Single room -[Choose one ]
[1 ]
[2 ]
[3 ]
[4 ]
I already managed to display that (with a list view and a DropDownChoice
attached to each item). But when I want to submit the form, I get an
exception.
What would be The Right Thing to do?
Thank you so much!
- Johannes
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