Here's the code I use to set up the DropDownChoice and its validator:
Inside the panel contructor:
studentList = new DropDownChoice("studentList", new
PropertyModel(orderManipulator.getDispatch(), "student"), students);
IValidator<DropDownChoice> validator =
new IValidator<DropDownChoice>()
{
public void
validate(IValidatable<DropDownChoice> validatable)
{
if ( validatable.getValue() ==
null )
{
logger.trace("Drop down
value null");
studentSet = false;
}
else
{
logger.trace("Drop down
value NOT null");
studentSet = true;
}
}
};
studentList.add(validator);
add(studentList);
attachUpdateBehavior(studentList);
Later on when the user clicks a button the a panel validation method
calls
studentList.validate();
but I never see the trace messages appear.
I am trying to detect whether the user has chosen an option in the Drop
down rather than just left it as "Choose one".
Currently I have no choices available in the drop down the validator
should always show the message "Drop down value null" - theoretically
according to my understanding.
>-----Original Message-----
>From: Chris Colman [mailto:[email protected]]
>Sent: Wednesday, 15 September 2010 3:39 AM
>To: [email protected]
>Subject: RE: Validating a DropDownChoice when not in a form
>
>> validate() :)
>
>I've been trying that but for some reason it's not triggering the
>FormComponent's validator. I must have some broken logic in there
>somewhere.
>
>>
>> -igor
>>
>> On Tue, Sep 14, 2010 at 3:12 AM, Chris Colman
>> <[email protected]> wrote:
>> > Is it possible to force a validate of a DropDownChoice when it's
not
>in
>> > a form but just normal page/panel?
>> >
>> > If so what method(s) do we call?
>> >
>> >
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