Use Event.observe for the form and use the validation with custom JS of
urs...
HTH
- Ashwanth Kumar
On Wed, Dec 23, 2009 at 3:48 PM, Kenneth CH, LEE <klch...@gmail.com> wrote:
> There is a submit button within the form. I could not attach the code
> in onclick handler because I want it to run only if the form is valid.
>
> 2009/12/22 Ashwanth Kumar <ashwanth.ku...@gmail.com>:
> > On Tue, Dec 22, 2009 at 6:14 PM, Kenneth CH, LEE <klch...@gmail.com>
> wrote:
> >
> >> Hi there,
> >>
> >
> > Hello,
> >
> >
> >>
> >> Is there any existing facilities to trigger some custom Javascript
> >> code _after_ validating the form?
> >>
> >> I'm now doing it with some Javascript tricks:
> >> ===============
> >> <form t:type="form" t:id="myform">
> >> ...
> >> <script type="text/javascript">
> >> Event.observe(window, "load", function() {
> >> var f = $("myform").onsubmit;
> >> $("myform").onsubmit = function(e) {
> >> return f(e) && customFunction();
> >> };
> >> });
> >> </script>
> >> </form>
> >> ...
> >> <script type="text/javascript">
> >> function customFunction() {
> >> //return true to submit
> >> }
> >> </script>
> >> ===============
> >>
> >
> > When exactly do u submit ur form??
> >
> >
> >> Notice that the custom function is only called _after_ validation
> >> _and_ only if it was successful.
> >>
> >
> > Well, if you want to do a custom JS, u can do a Zone Update of the Form,
> > then observe Tapestry.ZONE_UPDATED_EVENT, for doing some some custom JS!
> > But, that happens only after form submission and not before that!
> >
> > HTH
> > - Ashwanth Kumar
> >
>
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