[news.eclipse.tools.gef] Re: None-UI thread model updates and Display.ge

[Chris Aniszczyk <none@xxxxxxxxxx>]

CL [dnoyeb] Gilbert wrote:
> Steve Jones wrote:
>
> > Hi,
> >
> > I have a multi-page editor based on 
> > org.eclipse.ui.forms.editor.FormEditor
> > that has a mix of GEF based pages and source/text pages that use
> > AbstractTextEditor.
> >
> > GEF pages update the model and reflect changes as just fine but I'm 
> > getting
> > null pointer exceptions, in GEF, when I update the model from text pages.
> >
> > All my model updates use background threads that ultimately call
> > AbstractEditPart.refreshVisuals(). This fails, I think, because
> > org.eclipse.swt.widgets.Display.getCurrent() returns null when called 
> > from
> > a none-UI thread.
> >
> > Whats the best way of dealing with this?
> > Steve.
>
>
> Exactly what I do.  In my property listeners I create a runnable to 
> handle the call to refreshVisuals().  Actually my runnable is a class 
> member and not a local variable.
>
> I pass my runnable into a display I get by calling
>
> getViewer().getControl().getDisplay();
>
> I use syncExec
>
> CL

Do you have an example of this? I'm curious by what you mean.

Cheers,

~ Chris