public void performRedo() {
SystemFacade.getInstance().performRedo(this.openFile);
}
public void moveInstructionUp(Instruction instruction, Code code) {
MoveInstructionUpAction miua = new MoveInstructionUpAction(instruction,
code);
SystemFacade.getInstance().performAction(miua, this.openFile);
this.dispatcher.notifyObservers(new Event(EventType.CLASS_UPDATE));
}