code: private void updateGeometry(Geometry geometry, GeometryIndex index, boolean bringToFront)
  			throws GeometryIndexNotFoundException {
  		// Some initialization:
  		String identifier = baseName + "." + editingService.getIndexService().format(index);
  		boolean marked = editingService.getIndexStateService().isMarkedForDeletion(index);
  
  		// Find current and previous parent groups:
  		Composite parentGroup = groups.get(identifier.substring(0, identifier.lastIndexOf('.')) + ".geometries");
  
  		// Find the correct style:
  		ShapeStyle style = new ShapeStyle();
  		if (marked) {
  			style = styleService.getBackgroundMarkedForDeletionStyle();
  		}
  
  		// Draw the inner ring:
  		org.geomajas.gwt.client.spatial.geometry.Geometry transformed = mapWidget.getMapModel().getMapView()
  				.getWorldViewTransformer()
  				.worldToPan(GeometryConverter.toGwt(editingService.getIndexService().getGeometry(geometry, index)));
  		if (transformed instanceof LinearRing) {
  			Polygon polygon = mapWidget.getMapModel().getGeometryFactory()
  					.createPolygon((LinearRing) transformed, null);
  			mapWidget.getVectorContext().drawPolygon(parentGroup, identifier + ".background", polygon, style);
  		}
  	}
docs: TODO make use of the findGeometryStyle method.