[news.eclipse.platform.swt] Re: setSelection on virtual Tree VERY slow

["Grant Gayed" <grant_gayed@xxxxxxxxxx>]

you should ask this on the eclipse.platform.rcp newsgroup since that is
where jface lives

"Jesse Eichar" <jeichar@xxxxxxxxxxxxxxx> wrote in message
news:ej7tav$4nc$1@xxxxxxxxxxxxxxxxxxxx
> Hi,
>
> I'm trying to set the selection on a Virtual JFace TreeViewer (there can
> be 200,000+ items in the tree).  The selection is a more or less random
> distribution through out the tree and can be any number of items.
>
> The naive approach is very slow:
>
> viewer.setSelection ( new StructuredSelection (list), false ) // or true
>
> I was wondering if there is a "virtual" selection so that it doesn't
> need to call setToWidget for every item in the selection.  It could do
> it when the items are being shown instead.
>
> Do I have to implement this?
>
> (Hope this is the correct list)
>
> Thanks,
>
> Jesse