Validator question

[Marco Mistroni]

Hi all,
        I have following issue with Validator

I have a form that has, between other fields, two fields,
destinationReference and destinationName.

destinationName is required only when destinationReference is null AND
the parameter 'buttonSelected' is 'find'

destinationReference is ALWAYS required EXCEPT when 'buttonSelected' is
'find' and destinationReference is not null

any hints?

Following the validator guide I have entered following in the
validation.xml

            <field property="destinationName" depends="validwhen">
                  <arg0 key="prompt.destinationName"/>
                  <var>
                 <var-name>test</var-name>
                 <var-value>(buttonSelected == "find") and
((destinationRef    == null) or (*this* != null))</var-value>
              </var>
            </field>
          </form>


this works fine for the destinationName field
I am missing how to specify   destinationReference is ALWAYS required
except
When destinationName is NOT null and buttonSelected is 'find'

Anyone can help?

Thanx in advance and regards
        marco




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