On Mon, Feb 25, 2013 at 8:23 PM, heapifyman <heapify...@gmail.com> wrote:
> Am I right in assuming that this behavior will run the javascript that is
> returned by "getBeforeHandler()" and then it will stop and won't do
> anything else (which is achieved by "onPrecondition("return false")")?
>
Yes.
>
>
> 2013/2/25 Martin Grigorov <mgrigo...@apache.org>
>
> > abstract public class ClientSideEventBehavior extends AjaxEventBehavior {
> > public ClientSideEventBehavior(String eventName) { super(eventName); }
> >
> > @Override protected final void
> updateAjaxAttributes(AjaxRequestAttributes
> > attributes) {
> > super.updateAjaxAttributes(attributes);
> >
> > attributes.setAllowDefault(isDefaultAllowed());
> >
> > String beforeHandler = getBeforeHandler();
> > AjaxCallListener listener = new AjaxCallListener();
> > listener.onBefore(beforeHandler);
> > listener.onPrecondition("return false;");
> > attributes.getAjaxCallListeners().add(listener);
> > }
> >
> > @Override public final void onEvent(AjaxRequestTarget) {
> > // never called
> > }
> >
> > protected boolean isDefaultAllowed() {return false;}
> >
> > abstract protected String getBeforeHandler();
> > }
> >
> > The user of this class can only use before handlers.
> >
> > On Mon, Feb 25, 2013 at 5:10 PM, heapifyman <heapify...@gmail.com>
> wrote:
> >
> > > Care to share this precondition handling?
> > >
> > >
> > > 2013/2/25 Martin Grigorov <mgrigo...@apache.org>
> > >
> > > > Hi,
> > > >
> > > >
> > > > On Mon, Feb 25, 2013 at 1:35 PM, heapifyman <heapify...@gmail.com>
> > > wrote:
> > > >
> > > > > mydropdownComponent.add(new
> > > AjaxFormComponentUpdatingBehavior("change") {
> > > > > @Override
> > > > > protected void onUpdate(AjaxRequestTarget target) {
> > > > > target.appendJavaScript("your javascript...");
> > > > > }
> > > > > });
> > > > >
> > > > >
> > > > In our project we have a ClientSideEventBehavior. It is a
> > > AjaxEventBehavior
> > > > with a precondition that always stops the Ajax call.
> > > >
> > > >
> > > > >
> > > > > 2013/2/25 Ernesto Reinaldo Barreiro <reier...@gmail.com>
> > > > >
> > > > > > Can you just register your "behavior" to on change? Something
> like:
> > > > > >
> > > > > > MyPanel extends Panel {
> > > > > >
> > > > > >
> > > > > > public void renderHead(IHeaderResponse reponse) {
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> reponse.render(OnDomReadyHeaderItem.forScript("jQuery('#mydropdown').on('change',
> > > > > > function(){//what ever you want to do});"));
> > > > > >
> > > > > > }
> > > > > >
> > > > > > }
> > > > > >
> > > > > > On Mon, Feb 25, 2013 at 11:44 AM, venkat <
> venkatesh.b...@gmail.com
> > >
> > > > > wrote:
> > > > > >
> > > > > > > Hi ,
> > > > > > >
> > > > > > > I have a requirement, where when user selects a particular
> option
> > > > from
> > > > > > > dropdown, I need to show Java Script Confirmation dialog. Is
> > there
> > > > any
> > > > > > way
> > > > > > > in Wicket to add javaScript behaviour to dropdown choice.
> > > > > > >
> > > > > > > Have used JavaScriptConfirmation to submit buttons in other
> areas
> > > and
> > > > > is
> > > > > > > working fine,however am not sure how to add this behavior to
> > > > > > dropdownchoice
> > > > > > > events?
> > > > > > >
> > > > > > > I would appreciate quick response.
> > > > > > >
> > > > > > > Thanks
> > > > > > > Venkat
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > > View this message in context:
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> http://apache-wicket.1842946.n4.nabble.com/How-to-add-Java-Script-Confirmation-dialog-to-dropdown-choice-tp4656755.html
> > > > > > > Sent from the Users forum mailing list archive at Nabble.com.
> > > > > > >
> > > > > > >
> > > ---------------------------------------------------------------------
> > > > > > > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > > > > > > For additional commands, e-mail: users-h...@wicket.apache.org
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Regards - Ernesto Reinaldo Barreiro
> > > > > > Antilia Soft
> > > > > > http://antiliasoft.com/ <http://antiliasoft.com/antilia>
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Martin Grigorov
> > > > jWeekend
> > > > Training, Consulting, Development
> > > > http://jWeekend.com <http://jweekend.com/>
> > > >
> > >
> >
> >
> >
> > --
> > Martin Grigorov
> > jWeekend
> > Training, Consulting, Development
> > http://jWeekend.com <http://jweekend.com/>
> >
>
--
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com <http://jweekend.com/>
