> there is a FormComponentPanel that can embed other form components, and act
Great! Btw, is there something more like a border or fragment, to
"inline" the markup?
> as a formcomponent itself. and actually wicket does support embedded forms.
Can you expand on this? Will nested forms be validated and bound
before their containers?
Cheers,
Carlos
>
> -igor
>
>
>
> On 4/9/07, Carlos Pita <[EMAIL PROTECTED]> wrote:
> >
> > Hi all,
> >
> > suppose you have to implement some form input component that is
> > composed from other simple FormComponents. These simple input fields
> > will be ajax-validated individually, and they will be subject to some
> > global (inter-field) validation too. An example could be three
> > drop-downs for a date, with local validation requiring each field and
> > global validation asking for a valid Gregorian calendar date. AFAIK
> > there are nothing like nested forms in wicket, you have a form and
> > then at the next level its FormComponents and that's all. So I tend to
> > think of a static helper method that instantiates the individual form
> > fields and registers them with the form. Maybe there must be some
> > "synthetic" invisible component just to attach feedback from the date
> > global-validation, which will be implemented as a form validator. For
> > example:
> >
> > class MyForm extends Form {
> >
> > public MyForm(String id) {
> > ....
> > DateComponent.add(this, "birthDate");
> > ....
> > }
> > }
> >
> > <select wicket:id="birthDate.day"/>
> > <span wicket:id="birthDate.day.feedback"></span>
> >
> > <select wicket:id="birthDate.month"/>
> > <span wicket:id="birthDate.month.feedback"></span>
> >
> > <select wicket:id="birthDate.year"/>
> > <span wicket:id=" birthDate.year.feedback"></span>
> >
> > <span wicket:id="birthDate"></span> <!-- dummy component -->
> > <span wicket:id="birthDate.feedback"></span>
> >
> >
> > There are two things in this approach that I don't particularly like:
> >
> > 1) Having a dummy component to attach date global-validation errors
> > (notice that they are not the same as form errors).
> >
> > 2) The procedural nature of the solution, there is no real Date component.
> >
> > What do you think? Do you have a better alternative that is not too
> convolved?
> >
> > Best regards,
> > Carlos
> >
> >
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