I've found a great page that demonstrates ma开发者_如何学Gony uses of the Google Maps Api v2 and v3.
I tried to understand each line of the javascript and make something similar to what can be found on the page linked above.
However I can't understand two things:
In my application I don't want to rebuild the sidebar every time the zoom/bound/mapcenter changes. Currently the sidebar shows only placemarks that are visible on the current mapview. When the user zooms in and a placemark goes out of the view it disappears from the sidebar too. It could be annoying when you already scrolled somewhere and with only a little zooming you loose your scrolled status. Also if you bind events to sidebar elements, changing the view on the map rebuilds the sidebar and your events are finished.
I tried to rewrite the piece of code that creates categories from the placemark's styleurl property to apply to polylines as well not just markers, but I have no luck.
If you are deep in this kind of work please point me to the right direction.
Thanks.
继续阅读：geoxml3google-maps-api-3javascriptkmlsidebar
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