public String handleRemoveGraphics(@Observes @Remove Graphics graphics) {
   display = getFromSession("display");
   display.setModule("graphicsInfo");
   try {
     display.info("Removing Graphics " + GraphicsUtil.getLabel(graphics) + " from the system.");
     removeGraphicsFromSystem(graphics);
     selectionContext.clearSelection("graphics");
     graphicsEventManager.fireClearSelectionEvent();
     graphicsEventManager.fireRemovedEvent(graphics);
     workspaceEventManager.fireRefreshEvent();
     return null;
   } catch (Exception e) {
     handleException(e);
     return null;
   }
 }
 public void saveGraphics(Graphics graphics) {
   try {
     saveGraphicsToSystem(graphics);
     graphicsEventManager.fireAddedEvent(graphics);
   } catch (Exception e) {
     handleException(e);
   }
 }