在鹰眼中显示Editor的背景图片

众所皆知，鹰眼主要是由如下代码来完成的：

thumbnail = new ScrollableThumbnail((Viewport)((ScalableRootEditPart)getGraphicalViewer().getRootEditPart()).getFigure());
			  thumbnail.setSource(((ScalableRootEditPart)getGraphicalViewer().getRootEditPart()).getLayer(LayerConstants.SCALABLE_LAYERS));
 thumbnail.setSource(l);
			  lws.setContents(thumbnail);
			  

可是这样看不到Editor背景图片，要想显示背景图片，那么换成如下的代码吧：

thumbnail = new ScrollableThumbnail((Viewport)((ScalableRootEditPart)getGraphicalViewer().getRootEditPart()).getFigure()); IFigure l = ((ScalableRootEditPart)getGraphicalViewer().getRootEditPart()).getLayer(LayerConstants.PRINTABLE_LAYERS);
			  l.add(new ImageFigure(){
				  @Override
				public void setImage(Image image) {
					// TODO Auto-generated method stub
					super.setImage(DiagramEditor.image);
				}
			  });

			  thumbnail.setSource(l);
			  lws.setContents(thumbnail);

这样就可以了，试试吧