using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ZedGraph;


namespace ecg_display_elg
{

    public partial class Form1 : Form
    {
        int counter;
        List<int> listim = new List<int>();

        public Form1()
        {
            InitializeComponent();

        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            egserialPort.Close();
        }

        string rxString;
        int numVal = -1;
        int[] myData;

        private void egserialPort_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
        {
             rxString = egserialPort.ReadExisting();
             this.Invoke(new EventHandler(displayText));
             this.Invoke(new EventHandler(Form1_Load));
             bool result = Int32.TryParse(rxString, out numVal);
             listim.Add(numVal);
        }

        private void displayText(object o, EventArgs e)
        {
            thRx.AppendText(rxString);
         }

        private void thRx_TextChanged(object sender, EventArgs e)
        {

        }


        private void button1_Click(object sender, EventArgs e)
        {
            if (!egserialPort.IsOpen)
            {
                egserialPort.Open();
                thRx.Text = "serialPort is Open :-)";
            }
            else
                thRx.Text = "serialPort is Busy -:(       ";

        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }

          private void Form1_Load( object sender, EventArgs e )
           {

               int i;


            GraphPane pane = zedGraphControl1.GraphPane;
            pane.CurveList.Clear();
            RollingPointPairList list = new RollingPointPairList(1200);

            for (i = 0; i < listim.Count; i++) // Loop through List with for
            {
                Console.WriteLine(listim[i]);
                list.Add(i, listim[i]);
            }



            LineItem myCurve = pane.AddCurve("Voltage", list, Color.Blue, SymbolType.Circle);
            myCurve.Line.IsVisible = true;
            myCurve.Symbol.Fill.Color = Color.Blue;
            myCurve.Symbol.Fill.Type = FillType.Solid;
            myCurve.Symbol.Size = 10;

            pane.XAxis.Scale.Min = 0;
            pane.XAxis.Scale.Max = 30;


            zedGraphControl1.AxisChange();

           Scale xScale = zedGraphControl1.GraphPane.XAxis.Scale;
            if (i > xScale.Max - xScale.MajorStep)
            {
                xScale.Max = i + xScale.MajorStep;
                xScale.Min = xScale.Max - 30.0;
            }


               zedGraphControl1.Invalidate();




        }

        private void zedGraphControl1_Load(object sender, EventArgs e)
        {

        }

    }
}