Small miscommuncation here ;)
I have only one form with nested bean elements, which inherit from
actionform. I think this is perfectly legal :-)
In psuedo code the form is like this:
<html:form action="/nestBeanArray">
<html:text property="title"/>
<html:text property="subTitle"/>
<nested:iterate id="item" indexId="ind" property="childForms">
Child[<c:out value="${ind}"/>] bean Title:
<nested:text property="title"/>
Child[<c:out value="${ind}"/>] bean subTitle:
<nested:text property="subTitle"/>
</nested:iterate>
</html:form>
Where the ActionForm beans are like this:
parentFormBean{
String title
String subTitle
List childFormBeans
}
childFormBean{
String title
String subtitle
}
The accessor methods to set childForms use the setIndexedProperty
pattern.
If I populate the List in the parentFormBean everything works, even
dynamically adding additional childFormBeans (as long as the list index
is not out of bounds)
When I do the above without nested objects, i.e. with primitives, the
getter and setter of the parentFormBean are used to modify entries in
the list.. in which case I can dynamically create new objects. The
nested tags seem to access objects in the list directly... so where to
instantiate new ones?
regards,
Peter
On Thu, 2005-01-20 at 09:42 -0700, Jim Barrows wrote:
> On Thu, 20 Jan 2005 17:30:29 +0100, Peter Maas <[EMAIL PROTECTED]> wrote:
> > In one form... using nested tags. Isn't that the way to do it?
>
> Either we're miscommunicating, or no it isn't. You should only have
> one action form per <html:form tag.
> You can have an array form elements inside one action form. That's okay.
>
> >
> > On Thu, 2005-01-20 at 09:24 -0700, Jim Barrows wrote:
> > > On Thu, 20 Jan 2005 16:58:37 +0100, Peter Maas <[EMAIL PROTECTED]> wrote:
> > > > Hi,
> > > >
> > > > I am trying to use the nested iterator have a list of ActionForms
> > > > nested in the parent form.
> > >
> > > Ummmm... as in more then one action form inside a form? Or multiple
> > > forms on one page?
> > > I would tend to think you have a design issue here.
> > >
> > > >
> > > > I managed to get it to work when I create the nested object manually in
> > > > the constructor of the parent form, if I do this I can succesfully edit
> > > > the bean properties using nested tags.
> > > >
> > > > If however I want to add new nested form on the fly, using javascript to
> > > > generate a new form I am not able to create a new object to nest. (I
> > > > managed to do this using primitives).
> > > >
> > > > The setter for the index property is not even called, I just get a
> > > > nullpointer exception...
> > > >
> > > > where to look, and what to do?
> > >
> > > At the generated javascript and see what's different between what you
> > > generate with the javascript and what you know works.
> > >
> > > >
> > > > kind regards,
> > > >
> > > > Peter
> > > >
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> > Peter Maas
> > Application Architect / Streaming
> >
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--
Peter Maas
Application Architect / Streaming
Noterik Multimedia BV
Prins Hendrikkade 120
1011 AM Amsterdam
The Netherlands
Tel: +31 (0)205929966
Fax: +31 (0)204688405
Gsm: +31 (0)624687952
Web: www.noterik.nl
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http://www.mozilla.org/products/firefox/
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