Dear Douglas,
> Do you mind sharing your JQuery?
no fancy stuff but as we already use jquery ...
You can play around with the fadeIn-fadeOut times, from a visual point of view
it should not be too short or you will have flickering.
function showModalOverlay() {
//Set the css and fade in our overlay
$("#veil").css("opacity", 0.8).fadeIn(100);
}
function hideModalOverlay() {
// stop running animations and fadeOut
$("#veil").stop().fadeOut(100);
}
window.wicketGlobalPreCallHandler = function() {
showModalOverlay();
};
window.wicketGlobalPostCallHandler = function() {
hideModalOverlay();
};
To show an message just put something into the veil div:
<div id="veil">
<div><center>wait for ajax call...</center></div>
or put some images inside, you can create some nice ajax load indicators at
http://www.ajaxload.info/
Best Regards,
Ilja Pavkovic
Am Montag, 11. Januar 2010 17:21:27 schrieb Douglas Ferguson:
>
> On Jan 11, 2010, at 8:00 AM, Ilja Pavkovic wrote:
> > Hi,
> >
> > use a veil. You could use this one:
> >
> > http://wicketinaction.com/2008/12/preventing-double-ajax-requests-in-3-li
> >nes- of-code/
> >
> > or (as I personally think it bloats the ajax links)
> >
> > get familiar with some javascript, add
> >
> > <div id="veil"/> to your page with a style like
> >
> > #veil {
> > position: absolute;
> > z-index:10000;
> > top: 0px;
> > left: 0px;
> > height:100%;
> > width:100%;
> > background: grey;
> > display: none;
> > }
> >
> > and add some javascript to your page like
> >
> > window.wicketGlobalPreCallHandler = function() {
> > window.getElementById("veil").style.display="block";
> > };
> >
> > window.wicketGlobalPostCallHandler = function() {
> > window.getElementById("veil").style.display="none";
> > };
> >
> > javascript may not work as I personally use jquery here to get some more
> > fance fadeIn fadeOut and I just wrote it down here :)
> >
> >
> > Best Regards,
> > Ilja Pavkovic
> >
> > Am Montag, 11. Januar 2010 14:43:42 schrieb Giovanni:
> >> In my current project, we have many situations in which we have to load
> >> a page, which is very slow. The slowness is not because of Wicket, but
> >> because there are heavy queries on the DB.
> >>
> >> In some of these situations, we used the AjaxLazyLoadPanel, when we have
> >> to load a "slow" panel.
> >>
> >> In some other situations, when we are not loading a panel, but a page,
> >> how can we do to prevent the user from "crazy clicking" on the
> >> application, because he is impatient with the slow loading?
> >>
> >> More generally, is there a standard way to disable all the links and
> >> click-able components of the application, while a new component is
> >> loading?
> >>
> >> best regards,
> >> giovanni
>
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