On Oct 13, 8:33 am, ramasaig <[EMAIL PROTECTED]> wrote:
> On Oct 13, 4:08 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> wrote:
>
>
>
> > On Oct 13, 7:46 am, Mike Williams <[EMAIL PROTECTED]> wrote:
>
> > > You could write something like this
>
> > > GEvent.addListener(map, 'click', function(overlay, latlng) {
> > > if (overlay) {
> > > if (overlay instanceof GPolygon) {
> > > if (overlay.isHidden()) {
> > > overlay.show();
> > > } else {
> > > overlay.hide();
> > > }
> > > }
> > > }
> > > });
>
> > Does clicking on a hidden overlay work?
> > I would have thought that would work for hiding the overlays, but not
> > for showing them again.
> > -- Larry
>
> You are right, it does hide the overlays, but won't show them again.
> The click is detected, but 'if (overlay)' is now false (because it's
> hidden, I assume ?).
>
> This is only my second day on Google maps (though I've used JS
> before), and I'm confused because I understood GPolygon had been made
> clickable recently (v. 2.88). I had therefore expected something like:
>
> GEvent.addListener(polygon, 'click', function(arguments) {....
> would work, but clearly not.
>
> You say I must _use_ the arguments. OK, but I'm not sure how, other
> than in the function. I'll add 'overlaylatlng' as well
> I'll try Mike Williams' script too.
Try this (make your map variable and your polygon variables global):
GEvent.addListener(map, 'click', function(overlay, latlng,
overlaylatlng) {
// GLog.write("map click ("+overlay+","+latlng+","+overlaylatlng+")");
if (overlay) {
if (overlay instanceof GPolygon) {
if (overlay.isHidden()) {
overlay.show();
} else {
overlay.hide();
}
}
} else if (latlng) {
if (polyNW.Contains(latlng)) {polyNW.show();}
if (polyCT.Contains(latlng)) {polyCT.show();}
if (polySE.Contains(latlng)) {polySE.show();}
if (polySW.Contains(latlng)) {polySW.show();}
}
});
The overlaylatlng argument is undefined sometimes, I don't understand
why. I though it was supposed to _always_ return a valid value.
-- Larry
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