So the way to go is to use timeout (or setInterval in javascript). Thanks
Rolf!
On 3 August 2015 at 10:56, Rolf Huehne <rhue...@fli-leibniz.de> wrote:
> On 08/03/2015 03:38 PM, tremato...@gmail.com wrote:
> > I'm doing something like you said:
> >
> > var checkHover;
> > function hoverCallback(a,b,c,d){
> > if(checkHover)
> > clearInterval(checkHover);
> > var res = b.split('.')[0];//get everything until first "."
> > Jmol.script(myJmolOb, 'select '+ res +' ; halo on;');
> > checkHover = setInterval(function() {
> > Jmol.script(myJmolOb, 'select '+ res +' ; halo off;');
> > }, 1000);
> > }
> >
> >
> > What I did is, every call I cancel the setInterval, then I set the
> > highlight (I'm using halo on here) and finally I start setInterval again.
> > So in the last call (when I move out) the setInterval will not be
> canceled
> > being called after 1 second. It's working.
> >
> > That's really how hovercallback works? This behavior to keep calling the
> > listener also to do not call when move out?
> >
> I obviously didn't remember it correctly and forgot about the timout stuff.
>
> My implementation below works completely within Jmol without any
> Javascript. One advantage of this is that it also works in the Jmol
> application. The 'halo' color is changed to distinguish the 'hover halo'
> from a yellow 'selection halo' which might be already there before the
> 'hover' (setting: "selectionHalos on").
> It took me some time to figure out how to avoid flickering because the
> callback might be fired multiple times for the same atom if the mouse
> pointer rests longer above it. This might not be a problem if
> activating/deactivating the halo is the only action. But in my case
> there was some more stuff which I stripped out here.
> While stripping out the additional stuff I realized that there might
> occur a problem if the 'lastAtomIndexHovered' variable would change too
> fast, although I never observed any problem with it yet. But maybe it
> would be better to provide the atomIndex as a second parameter in the
> "hoverAction('end')" call.
>
> ------ Jmolscript hover callback implementation ---------------
> lastAtomIndexHovered = -1;
> lastHoverUnfinished = false;
> hoverTimeoutId = "";
>
> function hoverAction(action) {
> #print "action=" + action + " hoverId=" + hoverTimeoutId;
> if (hoverTimeoutId != "") {
> timeout ID @hoverTimeoutId off;
> hoverTimeoutId = "";
> }
> var switchOff = false;
> var currentSelection = {selected};
>
> if (action == "end") {
> if (lastHoverUnfinished) {
> switchOff = true;
> }
> } elseif (action == "start") {
> if (lastHoverUnfinished) {
> if (lastAtomIndexHovered != _atomhovered) {
> switchOff = true;
> }
> }
> }
>
> #print "action=" + action + " switchOff=" + switchOff + "
> lastHoverUnfinished=" + lastHoverUnfinished + " lastAtomIndexHovered="
> + lastAtomIndexHovered + " _atomhovered=" + _atomhovered;
>
> if (switchOff) {
> if (lastAtomIndexHovered >= 0) {
> select atomindex=@lastAtomIndexHovered;
> color halo yellow;
> halo off;
> }
> lastAtomIndexHovered = -1;
> lastHoverUnfinished = false;
> }
>
> if (_atomhovered >= 0 && action == "start") {
> lastAtomIndexHovered = _atomhovered;
> select atomindex=@lastAtomIndexHovered;
> color halo cyan;
> halo on;
> lastHoverUnfinished = true;
> hoverTimeoutId = "hoverEnd_" + now();
> timeout ID @hoverTimeoutId 1.0 "hoverAction('end')";
> }
>
> select @currentSelection;
> }
>
> set hoverCallback "jmolscript: hoverAction('start');";
> -------------------------------------------------------
>
> Regards,
> Rolf
> --
>
> Rolf Huehne
> Postdoc
>
> Leibniz Institute for Age Research - Fritz Lipmann Institute (FLI)
> Beutenbergstrasse 11
> 07745 Jena, Germany
>
> Phone: +49 3641 65 6205
> Fax: +49 3641 65 6210
> E-Mail: rhue...@fli-leibniz.de
> Website: http://www.fli-leibniz.de
>
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