private void newArrangement() {
        boolean cont = true;
        if (StateMachine.isArrModified()) {
            cont = Dialog
                    .showYesNoDialog("The current arrangement has been\n"
                            + "modified! Create a new arrangement\nanyway?");
        }
        if (cont) {
            theStaff.setArrangement(new StaffArrangement());
            theStaff.setArrangementFile(null);
            controller.getNameTextField().clear();
            theStaff.getArrangementList().getItems().clear();
            StateMachine.setArrModified(false);
        }
    }