[izpack-users] How to ensure that a radio button was selected

[Benoitx]

Hi *,

First of all, izPack is such a great tool! thanks!

I'm trying to ensure that the user has selected a radio button before
allowing going to the next panel:
I tried with the NotEmptyValidator like this:

   <field type="radio" variable="MY_CFG">
     <description align="left"
                  txt="Please pick one."
                  id="description.env"/>
      <spec txt="">
         <choice txt="local" value="local"/>
         <choice txt="speedy" value="speedy"/>
         <choice txt="uat" value="uat"/>
         <choice txt="prod" value="prod"/>
         <choice txt="dr" value="dr"/>
      </spec>
      <validator class="com.izforge.izpack.util.NotEmptyValidator"
txt="Select a value!"/>
   </field>

However, this does not seem to work... how could I ensure that MY_CFG has a
value from a radio button?

Many thanks!

Benoit
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