[cforms] dynamic selection list

[Stephane Delort]

Hi,

I have 2 multivalue fields.


I would like to fill the second with the values of the select items in the
first one.

eg, : if my first field is like this :
- cats
- dogs
- birds
- other pets

If I select "cats"  the second field should be filled with
- c1
- c2
- c3
And I I also choose dogs (I mean cat AND dogs), have
- c1
- c2
- c3
- d1
- d2
- d3

Actually, I tried to implement the same principle as in the car-selector
sample but it does not seems to work (see code below).

So, is it possible to have such a thing or should I split my form in 2
pages ?
(which is not so cool)


regards,
Stephane




/*code*/

    <fd:multivaluefield id="pets">
     <fd:label>Choose pet(s) :   </fd:label>
          <fd:datatype base="string"/>
         <fd:selection-list type="flow-jxpath" list-path="pets" value-path="value" 
label-path="label" dynamic="true"/>
     <fd:on-value-changed>
        <javascript>
          var value = event.source.value;
          var petListWidget = event.source.lookupWidget("../petList");

       if (value != null)
       {
         var lp = new Packages.com.test.ListPet(value);
                    var listPetsSize = lp.getListPetSize();

         var data = new Object();
         data.lp=new Array(listPetsSize);
          for( var i=0; i &lt; listPetsSize ; i++)
         {
           data.wp[i] = {value: wp.getListPetValue(i-1), label: 
pjt.getListPetLabel(i-1)};
         }

                   petListWidget.setSelectionList(data.lp, "value", "label");
       }
       else
          {

            event.source.setValue(null);

            petListwidget.setSelectionList(new 
Packages.org.apache.cocoon.forms.datatype.EmptySelectionList("Select kind of pet 
first"));
          }

          petListWidget.setValue(null);

        </javascript>
      </fd:on-value-changed>
    </fd:multivaluefield>




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