Hello again,
Let me try to define a simular problem that I have that would most probably answer Stéphane's.
But only Stéphane can confirm this. :)
Well, I do ! :-) This is the same kind of problem I have encountered.
I don't use a list, just an array (although a List would do just fine, of course).
For instance, I have something like
public class Person {
string name,fname,email;
// then setters/getters ...
}... and a form a little bit like this :
<html:form ... styleId='f'>
<script language="javascript" type="...">
function addMoreFields() {
var f = document.getElementById('f');
var nb = document.getElementById('nb').value;
f.innerHTML = null;
f.innerHTML = "<input type='text'" +
" value='" + nb + "' id='nb' " +
onchange='addMoreFields() />'"
for (var i = 0; i < nb; i++) {
// here I'd need to make indexed properties
// work, sth like :
f.innerHMTL +=
"<input type='text' " +
"name='persons["+i+"]name' />";
// ... and the same for fname and email ...
}
}
</script><html:text styleId='nb' property="nb" value="0"
onchange="addMoreFields()"/><br />
<!--
Here I must insert new sets of fields ...
--><html:submit/> </html:form>
I use DynaActionForms : (excerpt from struts-config.xml)
<form-bean name="indexpropsForm"
type="org.apache.struts.action.DynaActionForm">
<form-property name="nb" type="java.lang.String"/>
<form-property name="persons"
type="fr.altasys.struts.Person[]" />
</form-bean>So basically, When I retrieve the Person[] object in my Action class, the length of the array is 0... Which is quite annoying, since I've filled "nb" sets of fields ... ! :-)
I hope I am a bit clearer now :-)
Thanks for the help !
-- Stéphane Zuckerman
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