Can I see a bit more of your code? What you've posted looks good, so it's
possible something else is causing the problem.
You could try ##wicket on Freenode for more help.
On 12/30/06, Flavius <[EMAIL PROTECTED]> wrote:
I tried this:
DropDownChoice severityChoice = new
DropDownChoice("size",
Arrays.asList(SIZE.values()),
new ChoiceRenderer()
{
public Object getDisplayValue(Object
object)
{
return ((SIZE)object).getName();
}
public String getIdValue(Object object,
int index)
{
return ((SIZE)object).getId();
}
});
The page renders fine. But when I submit the form, I get this error:
WicketMessage: unable to set object Small, model:
Model:classname=[wicket.model.CompoundPropertyModel]
Root cause:
wicket.util.convert.ConversionException: Cannot parse 'Small' using format
[EMAIL PROTECTED]
at
wicket.util.convert.converters.AbstractConverter.newConversionException(
AbstractConverter.java:72)
As I understand it, it's trying to set an int in the Shirt model for size,
but the drop down returned the Small object. What I really need is
Small.getId(). So I need to tell the form to bind the id property of the
return object to the field "size"
Nick Heudecker wrote:
>
> IChoiceRenderer allows you to specify the id and display values for a
> DropDownChoice. It's exactly what you're looking for. To explain a
bit:
>
> getDisplayValue(...) - returns the value you want the user to see.
> "Small",
> "Medium", etc. This is where you'd return SIZE.getName().
> getIdValue(...) returns the value submitted to the application. This is
> where you'd return SIZE.getId().
>
>
--
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http://www.nabble.com/DropDownChoice-binding-question-tf2900580.html#a8104039
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