// http://labdegaragem.com/forum/topics/ajuda-com-menu-chocadeira

  // http://playground.arduino.cc/Code/Menu

  #include <LiquidCrystal.h>

  #include <Menu.h>
  #include <MenuItem.h>
  #include <SubMenu.h>
  #include <SubMenuItem.h>

  LiquidCrystal lcd(9, 8, 7, 6, 5, 4);    //Ordem dos pinos RS EN D4 D5 D6 D7
                                          // Pino LCD       4  6  11 12 13 14
  //initialize menu
  Menu Choco = Menu(menuUsed,menuChanged);

  //initialize menuitems
   MenuItem ChocoItem1 = MenuItem();
   MenuItem ChocoItem2 = MenuItem();
      SubMenu ChocosubMenu = SubMenu();
        SubMenuItem ChocosubMenuItem1 = SubMenuItem();
        SubMenuItem ChocosubMenuItem2 = SubMenuItem();
        SubMenuItem ChocosubMenuItem3 = SubMenuItem();
   MenuItem ChocoItem3 = MenuItem();

  // ------------------------------  setup  ----------------------------
  void setup(){
    Serial.begin(9600);
    lcd.begin(16, 2); //Inicia o LCD com dimensões 16x2(Colunas x Linhas)

    //configure menu
    Choco.addMenuItem(ChocoItem1);
    Choco.addMenuItem(ChocoItem2);
      ChocoItem2.addSubMenu(ChocosubMenu);
        ChocosubMenu.addSubMenuItem(ChocosubMenuItem1);
        ChocosubMenu.addSubMenuItem(ChocosubMenuItem2);
        ChocosubMenu.addSubMenuItem(ChocosubMenuItem3);
    Choco.addMenuItem(ChocoItem3);

    Choco.select(0);
    ChocosubMenu.select(0);
  }

  // ------------------------------  loop  ----------------------------
  void loop()
  {
 //   lcd.clear();// Limpa do buffer do LCD
 //   lcd.setCursor(0, 0);
//    lcd.print("Imprimindo TXT");
    if (Serial.available())
    {
      switch (Serial.read())
      {
        case 'w':
          if (Choco.isCurrentSubMenu())
          {
                    Serial.println("A ");
            ChocosubMenu.down(); //set index closer to 0
          }
          break;
        case 's':
          if (Choco.isCurrentSubMenu())
          {
            ChocosubMenu.up(); //set index closer to maximum
          }
          break;
        case 'a':
          Choco.down();
          break;
        case 'd':
          Choco.up();
          break;
        case ' ':
          Choco.use();
          break;
        case '0':
          Choco.select(0);
          break;
        case '1':
          Choco.select(1);
          break;
        case '2':
          Choco.select(2);
          break;
        case '3':
          ChocosubMenu.select(1);
          break;
      }
    }
  }
  // ------------------------------  menuChanged  ----------------------------
  void menuChanged(ItemChangeEvent event)
  {
//    Serial.println("Chocadeira");
    if( event == &ChocoItem1 )
    {
      lcd.setCursor(0, 0);
      lcd.print("Inicio");
      Serial.println("\tNivel 1"); //user feedback
    }
//    else
      if( event == &ChocoItem2 )
      {
        Serial.println("\tNivel 2"); //user feedback
      }
//      else
        if( event == &ChocosubMenuItem1 )
        {
          Serial.println("\tNivel 3"); //user feedback
          lcd.setCursor(0, 0);
          lcd.print("Temperatura");
        }
//        else
          if( event == &ChocosubMenuItem2 )
          {
            Serial.println("\tNivel 4"); //user feedback
          }
//          else
            if( event == &ChocosubMenuItem3 )
            {
              Serial.println("\tNivel 5"); //user feedback
            }
//            else
              if( event == &ChocoItem3 )
              {
                Serial.println("\tNivel 6"); //user feedback
              }
  }
  // ------------------------------  menuUsed  ----------------------------
  void menuUsed(ItemUseEvent event)
  {
    Serial.println("menuUsed");
    if( event == &ChocoItem1 )
    {
      Serial.println("\tmenuItem1 used"); //user feedback
    }
    else if( event == &ChocosubMenuItem1 )
    {
      Serial.println("\tsubMenuItem1 used"); //user feedback
    }
    else if( event == &ChocosubMenuItem2 )
    {
      Serial.println("\tsubMenuItem2 used"); //user feedback
    }
    else if( event == &ChocosubMenuItem3 )
    {
      Serial.println("\tsubMenuItem3 used"); //user feedback
    }
    else if( event == &ChocoItem3 )
    {
      Serial.println("\tmenuItem3 used"); //user feedback
    }
  }