I was on my phone and didn't read that well the provided snippet, it should work fine then ;)
__ Cedric Gatay (@Cedric_Gatay <http://twitter.com/Cedric_Gatay>) http://code-troopers.com | http://www.bloggure.info | http://cedric.gatay.fr On Mon, Nov 11, 2013 at 4:05 PM, Martin Grigorov <mgrigo...@apache.org>wrote: > There is a difference between onunload and onbeforeunload. You can cancel > the latter. > You can make Ajax call only in onbeforeunload. And it has to be > synchronous. > > > On Mon, Nov 11, 2013 at 4:55 PM, Cedric Gatay <gata...@gmail.com> wrote: > > > AFAIK the browser won't issue a new server call (or will not process the > > response) once the onunload event has been called so I doubt this will > work > > (using the web inspector of your browser will allow you to check whether > or > > not the call has been done) > > > > I second what Martin said, you need to add the JavaScript code to call > the > > server. > > Le 11 nov. 2013 15:29, "Martin Grigorov" <mgrigo...@apache.org> a écrit > : > > > > > respond() is the callback method that Wicket will notify. > > > But you need to trigger an Ajax call first. This is done with the > Wicket > > > Ajax API: Wicket.Ajax.get(...). > > > > > > Just try with the line I've added in your JS code > > > > > > > > > On Mon, Nov 11, 2013 at 4:04 PM, Daniela L <danigal...@gmail.com> > wrote: > > > > > > > I thought adding respond was the ajax call to the server, am I wrong? > > > > I didn't work much with ajax, i am sorry > > > > > > > > > > > > 2013/11/11 Martin Grigorov <mgrigo...@apache.org> > > > > > > > > > Did you do what I suggested you ? > > > > > > > > > > > > > > > On Mon, Nov 11, 2013 at 3:49 PM, Daniela L <danigal...@gmail.com> > > > wrote: > > > > > > > > > > > Hi, > > > > > > > > > > > > I have tryed to change to AbstractDefaultAjaxBehavior like I > > > described > > > > > > below, but respond is never called. What am I doing wrong? > > > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > as far as I have understood this can only be achieved, if I > > subclass > > > > > > AbstractDefaultAjaxBehavior like this? > > > > > > > > > > > > public class PageExitWarningBehavior extends > > > > AbstractDefaultAjaxBehavior > > > > > { > > > > > > @Override > > > > > > protected void respond(AjaxRequestTarget target) { > > > > > > > > > > > > AppointmentSession.get().releaseSavedBlockedFreeCalendarEvent(); > > > > > > } > > > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > You need to make an Ajax call to the server. > > > > > > > > > > > > > > > > > > On Mon, Nov 11, 2013 at 2:10 PM, Daniela L <danigal...@gmail.com > > > > > > > > <danigal...@gmail.com><danigal...@gmail.com> < > danigal...@gmail.com > > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > Hi, > > > > > > this is my first question, so i hope I get everything right. > > > > > > > > > > > > I am trying to catch the event of the user closing the browser > > window > > > > in > > > > > > wicket. > > > > > > > > > > > > I followed this example: > > > > > > > > > > > > > > > > > > > > > > > > > > > http://stackoverflow.com/questions/16527463/call-java-component-from-javascript-and-retreive-value > > > > > > > > > > > > and I managed to get the example working so the message is > > displayed, > > > > > but I > > > > > > have no idea how to get the event triggered by the javascript > > > function > > > > in > > > > > > wicket. I need this because when the user closes the browser > > window I > > > > > want > > > > > > to update some data in my database. > > > > > > Here is what I have tryed: > > > > > > > > > > > > > > > > > > RequiredTextField<String> myTextField = new > > > > > > RequiredTextField<String>("myTextField"); > > > > > > myTextField.setOutputMarkupPlaceholderTag(true); > > > > > > myTextField.add(new PageExitWarningBehavior(){ > > > > > > @Override > > > > > > public void onEvent(Component component, IEvent<?> > > event) > > > > > > { > > > > > > //this isn't ever called > > > > > > MySession.get().releaseBlockedDataFromDatabase(); > > > > > > } > > > > > > }); > > > > > > > > > > > > public class PageExitWarningBehavior extends Behavior { > > > > > > @Override > > > > > > public void renderHead(Component component, > IHeaderResponse > > > > > > response) { > > > > > > super.renderHead(component, response); > > > > > > response.render(new > > > > > > OnDomReadyHeaderItem("window.onbeforeunload = function (e) {" > > > > > > > > > > > > > > > > > > + "Wicket.Ajax.get({u: > > '"+getCallbackUrl()+"', > > > > > async: > > > > > > false});" > > > > > > > > > > > > > > > > > > + "var message = 'Your confirmation message > goes > > > > > > here.'," > > > > > > > > > > > > + "e = e || window.event;" + "if (e) {" > > > > > > > > > > > > + "e.returnValue = message;" + "}" + "return > > > > message;" > > > > > + > > > > > > "};")); > > > > > > } > > > > > > } > > > > > > > > > > > > What am I missing? Thank you very much in advance > > > > > > > > > > > > > > > > > > > > >
