示例#1
0
        void OnEnable()
        {
            Debug.Log("------------------");
            Debug.Log("COMMAND DESIGN PATTERN");
            IElectronicDevice device = TVRemove.GetDevice();

            TurnTVOn     onCommand = new TurnTVOn(device);
            DeviceButton onPressed = new DeviceButton(onCommand);

            onPressed.Press();

            // -----------------------

            TurnTVOff offCommand = new TurnTVOff(device);

            onPressed = new DeviceButton(offCommand);
            onPressed.Press();

            TurnVolumeUp volUpCommand = new TurnVolumeUp(device);

            onPressed = new DeviceButton(volUpCommand);
            onPressed.Press();
            onPressed.Press();
            onPressed.Press();

            TurnVolumeDown volDownCommand = new TurnVolumeDown(device);

            onPressed = new DeviceButton(volDownCommand);
            onPressed.Press();

            // -----------------------
            Television tv    = new Television();
            Radio      radio = new Radio();

            List <IElectronicDevice> allDevices = new List <IElectronicDevice>();

            allDevices.Add(tv);
            allDevices.Add(radio);

            TurnItAllOff turnOffDevices = new TurnItAllOff(allDevices);
            DeviceButton turnThemOff    = new DeviceButton(turnOffDevices);

            turnThemOff.Press();

            // -----------------------
            turnThemOff.PressUndo();


            // Homework for better Undo:
            // saving all commands in linked lists
            // on undo go through commands in list for undoing and do the opposite
        }
        void OnEnable()
        {
            Debug.Log ("------------------");
            Debug.Log ("COMMAND DESIGN PATTERN");
            IElectronicDevice device = TVRemove.GetDevice();

            TurnTVOn onCommand = new TurnTVOn(device);
            DeviceButton onPressed = new DeviceButton(onCommand);
            onPressed.Press();

            // -----------------------

            TurnTVOff offCommand = new TurnTVOff(device);
            onPressed = new DeviceButton(offCommand);
            onPressed.Press();

            TurnVolumeUp volUpCommand = new TurnVolumeUp(device);
            onPressed = new DeviceButton(volUpCommand);
            onPressed.Press();
            onPressed.Press();
            onPressed.Press();

            TurnVolumeDown volDownCommand = new TurnVolumeDown(device);
            onPressed = new DeviceButton(volDownCommand);
            onPressed.Press();

            // -----------------------
            Television tv = new Television();
            Radio radio = new Radio();

            List<IElectronicDevice> allDevices = new List<IElectronicDevice>();
            allDevices.Add(tv);
            allDevices.Add (radio);

            TurnItAllOff turnOffDevices = new TurnItAllOff(allDevices);
            DeviceButton turnThemOff = new DeviceButton(turnOffDevices);
            turnThemOff.Press();

            // -----------------------
            turnThemOff.PressUndo();

            // Homework for better Undo:
            // saving all commands in linked lists
            // on undo go through commands in list for undoing and do the opposite
        }