Show dialog on (before) submit or hook in on showing "loading hint"

> Hi there!
>
>
>
> I’m trying to find a solution to trigger a dialog *before* a – longlasting –
> submission is started and to remove it when the transmission has ended.
>
> Actually I want to place a hint with a bit more information than „Loading…“
> into our form ;-) which should be visible either on every (long-lasting)
> request or at least right before sending a specific request (the slowest
> one).
>
>
>
> So I tried to trigger a XForms-Orbeon dialog by listening for xforms-submit
> but it is shown only *after* the request returned which is somehow
> purportless.
>
> And the same is true for JavaScripts.
>
>
>
> I also tried to find an event which is fired by YAHOO.widget.Overlay (Yahoo!
> UI Library) but wasn’t able to find one.
>
> And there is no sensible way to watch the changes on the styles of the
> loading-overlay. Well, maybe I’m a just a bitt to lazy to recode all the
> JavaScript from Yahoo! UI ;-). So I beg your pardon therefor ;-)
>
>
>
> The bottom line is I think the situation of high latency submissions is
> really a pitty because
>
> 1.       the javascript xforms-send for xforms-submit should be executed on
> the client side before the submission is blocking the UI,
>
> 2.       the loading animation should at least fire an event for
> showing/hiding (which would enable any developer to bind to it and react
> properly) and
>
> 3.       one should be able to show dialogs on long running requests
>
>
>
> I found the notes to alter the loading-animation by changing the theme-setup
> but I don’t see any solid information what exactly to alter because not all
> of the relevant links are up to date.
>
>
>
> So unfortunately I don’t really know where to begin because the loading
> animation is still hard coded and any other way somehow leeds to a dead end
> for me.
>
> Can you give me a hint?
>
>
>
> Thanks a lot in advance,
>
>
>
> JT
>
>
>
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