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loadScript("Personal/cLCD_MenuItems/MainMenuItem.js");

loadScript("Personal/cLCD_MenuItems/DimmerMenuItem.js");

loadScript("Personal/cLCD_MenuItems/SensorMenuItem.js");

function CLCD_Display(type, name, id)

{

    /* We must always call the parent constructor, initialization

       of variables could be done here, but initialize is a better place */

    this.Service(type, name, id);

}

/* We inherit from Service with this call, it must always be next

   after the constructor */

extend(CLCD_Display, Service);

/* Declaration of instance variables, for static variables remove prototype */

CLCD_Display.prototype.myCLCDService = null;

CLCD_Display.prototype.myRotaryService = null;

CLCD_Display.prototype.myInterval = null;

CLCD_Display.prototype.myIntervalAlways = null;

CLCD_Display.prototype.myIntervalScreenSaver = null;

CLCD_Display.prototype.MainMenuItem = null;

CLCD_Display.prototype.SensorMenuItem = null;

CLCD_Display.prototype.DimmerMenuItem = null;

/* The currently displayed menuitem */

CLCD_Display.prototype.currentMenuItem = null;

/* counter for going to screensaver */

CLCD_Display.prototype.screenSaverCnt = null;

/* counter for going to main screen */

CLCD_Display.prototype.mainScreenCnt = null;

const Display_mainScreenTimeout = 20;

const Display_screenSaverTimeout = 25;

CLCD_Display.prototype.defaultBacklight = 10;

/* This function must always be declared, this is where all the startup code

   should be placed. Gets called with arguments like what ids to use etc. */

CLCD_Display.prototype.initialize = function(initialArguments)

{

    /* We must always call the parent initialize */

    this.Service.prototype.initialize.call(this, initialArguments);

    /* This is used for function declarations like the callbacks below */

    var self = this;

    if (!this.myInitialArguments["HD44789"])

    {

        log(this.myName + ":" + this.myId + "> Failed to initialize, HD44789-config missing from config.\n");

        return;

    }

    if (!this.myInitialArguments["Rotary"])

    {

        log(this.myName + ":" + this.myId + "> Failed to initialize, Rotary-config missing from config.\n");

        return;

    }

    /* Start interval timer for sending timestamp to network. Arguments are the callback function and time in milliseconds

    used to make sure an eth-node gets its init packet (600s) */

    this.myIntervalAlways = new Interval(function() { self.sendTimeStamp() }, 600000);

    this.myIntervalAlways.start();

    this.myInterval = new Interval(function() { self.updateDisplay() }, 5000);

    this.myInterval.start();

    this.myIntervalScreenSaver = new Interval(function() { self.timerUpdate() }, 5000);

    this.myIntervalScreenSaver.start();

    this.screenSaverCnt = 0;

    this.mainScreenCnt = 0;

    /* Get the LCD service that we want from the ServiceManager, it takes type, service name, service id */

    this.myCLCDService = ServiceManager.getService("Can", "HD44789", this.myInitialArguments["HD44789"]["Id"]);

    /* Add a callback for when the service goes online */

    this.myCLCDService.registerEventCallback("online", function(args) { self.lcdOnline(); });

    /* If the service is already online we should call the handler here */

    this.lcdOnline();

    /* Add a callback for when the service goes offline */

    this.myCLCDService.registerEventCallback("offline", function(args) { self.lcdOffline(); });

    /* Get the Rotary service that we want from the ServiceManager, it takes type, service name, service id */

    this.myRotaryService = ServiceManager.getService("Can", "Rotary", this.myInitialArguments["Rotary"]["Id"]);

    /* Add a callback for when the encoder reports a new position */

    this.myRotaryService.registerEventCallback("newPosition", function(args) { self.rotaryPosUpdate(args); });

    /* Add a callback for when the encoder reports a new button status */

    this.myRotaryService.registerEventCallback("newBtnStatus", function(args) { self.rotaryBtnUpdate(args); });

    /* Add a callback for when the service goes online */

    this.myRotaryService.registerEventCallback("online", function(args) { self.rotaryOnline(); });

    /* If the service is already online we should call the handler here */

    this.rotaryOnline();

        /* create the first menu item */

    this.MainMenuItem = new MainMenuItem(this, this.myCLCDService);

this.SensorMenuItem = new SensorMenuItem(this, this.myCLCDService);

this.DimmerMenuItem = new DimmerMenuItem(this, this.myCLCDService);

    this.currentMenuItem = this.MainMenuItem;

    /* create the screensaver menu item */

    this.SensorMenuItem.LeftItem=this.DimmerMenuItem;

    this.SensorMenuItem.RightItem=this.MainMenuItem;

    /* set the function that shall be executed when knob is turned */

    /* create the screensaver menu item */

    this.MainMenuItem.LeftItem=this.SensorMenuItem;

    this.MainMenuItem.RightItem=this.DimmerMenuItem;

    this.DimmerMenuItem.RightItem=this.SensorMenuItem;

    this.DimmerMenuItem.LeftItem=this.MainMenuItem;

}

// 

CLCD_Display.prototype.changeToLeft = function()

{

    if (this.currentMenuItem.LeftItem)

    {

        this.currentMenuItem.onExit();

        this.currentMenuItem = this.currentMenuItem.LeftItem;

        this.currentMenuItem.onEnter();

        this.myInterval.setTimeout(this.currentMenuItem.UpdateTime);

    }

}

CLCD_Display.prototype.changeToRight = function()

{

    if (this.currentMenuItem.RightItem)

    {

        this.currentMenuItem.onExit();

        this.currentMenuItem = this.currentMenuItem.RightItem;

        this.currentMenuItem.onEnter();

        this.myInterval.setTimeout(this.currentMenuItem.UpdateTime);

    }

}

CLCD_Display.prototype.changeToUp = function()

{

    if (this.currentMenuItem.UpItem)

    {

        this.currentMenuItem.onExit();

        this.currentMenuItem = this.currentMenuItem.UpItem;

        this.currentMenuItem.onEnter();

        this.myInterval.setTimeout(this.currentMenuItem.UpdateTime);

    }

}

CLCD_Display.prototype.changeToDown = function()

{

    if (this.currentMenuItem.DownItem)

    {

        this.currentMenuItem.onExit();

        this.currentMenuItem = this.currentMenuItem.DownItem;

        this.currentMenuItem.onEnter();

        this.myInterval.setTimeout(this.currentMenuItem.UpdateTime);

    }

}

CLCD_Display.prototype.changeToEnter = function()

{

    if (this.currentMenuItem.PressEnterItem)

    {

        this.currentMenuItem.onExit();

        this.currentMenuItem = this.currentMenuItem.PressEnterItem;

        this.currentMenuItem.onEnter();

        this.myInterval.setTimeout(this.currentMenuItem.UpdateTime);

    }

}

CLCD_Display.prototype.changeToBack = function()

{

    if (this.currentMenuItem.PressBackItem)

    {

        this.currentMenuItem.onExit();

        this.currentMenuItem = this.currentMenuItem.PressBackItem;

        this.currentMenuItem.onEnter();

        this.myInterval.setTimeout(this.currentMenuItem.UpdateTime);

    }

}

CLCD_Display.prototype.rotaryOnline = function()

{

}

CLCD_Display.prototype.rotaryPosUpdate = function(SwitchId)

{

    this.screenSaverCnt = 0;

    this.mainScreenCnt = 0;

    if (this.myCLCDService.getBacklight() == 0) {

        this.myCLCDService.setBacklight(this.defaultBacklight);

    }

    for (var i = 0; i < this.myRotaryService.getSteps(SwitchId); i++)

    {

        if (this.myRotaryService.getDirection(SwitchId) == "Clockwise")

        {

            this.currentMenuItem.processEvent("left");

        }

        else

        {

            this.currentMenuItem.processEvent("right");

        }

    }

    this.updateDisplay();

}

CLCD_Display.prototype.rotaryBtnUpdate = function(SwitchId)

{

    this.screenSaverCnt = 0;

    this.mainScreenCnt = 0;

    if (this.myCLCDService.getBacklight() == 0) {

        this.myCLCDService.setBacklight(this.defaultBacklight);

    }

    if (this.myRotaryService.getButtonStatus(SwitchId) == "Released")

    {

        this.currentMenuItem.processEvent("enter");

        this.updateDisplay();

    }

}

CLCD_Display.prototype.updateDisplay = function()

{

    this.currentMenuItem.update();

}

CLCD_Display.prototype.lcdCenterText = function(text)

{

    returnText = text;

    var displayWidth = 20;  //this.myLCDService.getWidth();

    /* pad on both sides with spaces to displayWidth */

    returnText = text.pad(displayWidth, " ", 2);

    return returnText;

}

CLCD_Display.prototype.lcdOffline = function()

{

}

CLCD_Display.prototype.lcdOnline = function()

{

    /* If service is not online do nothing */

    if (this.myCLCDService.isOnline())

    {

        /* Clear the LCD screen */

        this.myCLCDService.clearScreen("Standard");

        /* Set backlight to max */

        this.myCLCDService.setBacklight(this.defaultBacklight);

        this.timerUpdate();

    }

}

CLCD_Display.prototype.sendTimeStamp = function()

{

    var canMessage = new CanNMTMessage("nmt", "Time");

    canMessage.send();

}

CLCD_Display.prototype.timerUpdate = function()

{

    /* If LCD service is not online do nothing */

    if (this.myCLCDService.isOnline())

    {

        if (this.mainScreenCnt > Display_mainScreenTimeout/5  && this.currentMenuItem != this.MainMenuItem)

        {

            /* Go to main screen (time) */

            this.currentMenuItem.onExit();

            this.currentMenuItem = this.MainMenuItem;

            this.currentMenuItem.onEnter();

            /* update the info on display */

            this.updateDisplay();

        } else if (this.screenSaverCnt > Display_screenSaverTimeout/5 && this.myCLCDService.getBacklight() != 0)

        {

            /* Go to screensaver menu */

            this.myCLCDService.setBacklight(0);

        } else {

            this.screenSaverCnt++;

            this.mainScreenCnt++;

        }

    }

}