# NDBInfo Controller
var NDBInfoController =
{
  new : func (page, svg)
  {
    var obj = {
      parents : [ NDBInfoController ],
      _crsrToggle : 0,
      _recipient : nil,
      _page : page,
    };

    return obj;
  },


  # Input Handling
  handleCRSR : func() {
    me._crsrToggle = (! me._crsrToggle);
    if (me._crsrToggle) {
    } else {
      me._page.hideCRSR();
    }
    return emesary.Transmitter.ReceiptStatus_Finished;
  },
  handleFMSInner : func(value) {
    if (me._crsrToggle == 1) {
      # Scroll through whatever is the current list
      return emesary.Transmitter.ReceiptStatus_Finished;
    } else {
      # Pass to the page group controller to display and scroll through the page group menu
      return me._page.mfd._pageGroupController.handleFMSInner(value);
    }
  },
  handleFMSOuter : func(value) {
    if (me._crsrToggle == 1) {
      return emesary.Transmitter.ReceiptStatus_Finished;
    } else {
      # Pass to the page group controller to display and scroll through the page group menu
      return me._page.mfd._pageGroupController.handleFMSOuter(value);
    }
  },
  handleEnter : func(value) {
    if (me._crsrToggle == 1) {
      return emesary.Transmitter.ReceiptStatus_Finished;
    } else {
      return emesary.Transmitter.ReceiptStatus_NotProcessed;
    }
  },
  RegisterWithEmesary : func(transmitter = nil){
    if (transmitter == nil)
      transmitter = emesary.GlobalTransmitter;

    if (me._recipient == nil){
      me._recipient = emesary.Recipient.new("AirportInfoController_" ~ me._page.device.designation);
      var pfd_obj = me._page.device;
      var controller = me;
      me._recipient.Receive = func(notification)
      {
        if (notification.Device_Id == pfd_obj.device_id
            and notification.NotificationType == notifications.PFDEventNotification.DefaultType) {
          if (notification.Event_Id == notifications.PFDEventNotification.HardKeyPushed
              and notification.EventParameter != nil)
          {
            var id = notification.EventParameter.Id;
            var value = notification.EventParameter.Value;
            #printf("Button pressed " ~ id ~ " " ~ value);
            if (id == fg1000.FASCIA.FMS_CRSR)   return controller.handleCRSR();
            if (id == fg1000.FASCIA.FMS_OUTER)  return controller.handleFMSOuter(value);
            if (id == fg1000.FASCIA.FMS_INNER)  return controller.handleFMSInner(value);
            if (id == fg1000.FASCIA.ENT)        return controller.handleEnter(value);
          }
        }
        return emesary.Transmitter.ReceiptStatus_NotProcessed;
      };
    }
    transmitter.Register(me._recipient);
    me.transmitter = transmitter;
  },
  DeRegisterWithEmesary : func(transmitter = nil){
      # remove registration from transmitter; but keep the recipient once it is created.
      if (me.transmitter != nil)
        me.transmitter.DeRegister(me._recipient);
      me.transmitter = nil;
  },

  # Reset controller if required when the page is displayed or hidden
  ondisplay : func() {
    me.RegisterWithEmesary();
  },
  offdisplay : func() {
    me.DeRegisterWithEmesary();
  },

};