On Sat, 2004-06-05 at 06:18, Petr KrajÄa wrote:
> hello,
>
> i have small performance problem. if i remove multiple objects from document (about
> 300), it takes about half a minute. it seems to be a long time, because adding these
> objects takes just 4 seconds.
> the code is something like this:
>
> int cnt = list.size();
> for (int i = 0; i < cnt; i++)
> {
> Node e = (Node)list.get(i);
> if (e != null) e.getParentNode().removeChild(e);
> }
>
> list.clear();
Are you running this code inside the update thread?
canvas.getUpdateManager().getUpdateRunnableQueue().
invokeAndWait(new Runnable() {
public void run() {
// Insert some actions on the DOM here
}
});
>
> i think this is caused by some rerendring or something like that. is there anyway
> howto make this code faster?
>
> thanks for anything
>
> petr krajca
--
Robert Marcano
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