code: private void registerControllerFactories() {
  		graphicsService.registerControllerFactory(new ResizeControllerFactory());
  		graphicsService.registerControllerFactory(new DragControllerFactory());
  		graphicsService.registerControllerFactory(new DeleteControllerFactory());
  		graphicsService.registerControllerFactory(new LabelControllerFactory());
  		graphicsService.registerControllerFactory(new AnchoredDragControllerFactory());
  	}
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