controller.getAction(ClassifierControl.FINISH).setEnabled(false);
	public void finish()	{		if (model.getState() != READY)			throw new IllegalStateException("This method can only be " +					"invoked in the READY state.");		Set categories = view.getSelectedPaths();		if (categories == null) {			UserNotifier un = ClassifierFactory.getRegistry().getUserNotifier();            un.notifyInfo("Categorisation", "No category selected.");             return; 		}		view.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));		model.fireClassificationsSaving(categories);		fireStateChange();	}