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 S7.Net;


namespace LeatherApp
{
    public partial class Form2 : Form
    {
        public static Plc PLC_Type; 
        public Form2()
        {
            InitializeComponent();
        }

        private void buttonNext_Click(object sender, EventArgs e)
        {
            this.Hide(); 
        }

        private void ConnectButton_Click(object sender, EventArgs e)
        {
            //创建连接对象
            switch(PLCType.Text)
            {
                case "S7200": PLC_Type = new Plc(CpuType.S7200, IPAdrees.Text, Convert.ToInt16(rackN.Value), Convert.ToInt16(Solt.Value)); break;
                case "S7300": PLC_Type = new Plc(CpuType.S7300, IPAdrees.Text, Convert.ToInt16(rackN.Value), Convert.ToInt16(Solt.Value)); break;
                case "S7400": PLC_Type = new Plc(CpuType.S7400, IPAdrees.Text, Convert.ToInt16(rackN.Value), Convert.ToInt16(Solt.Value)); break;
                case "S71200": PLC_Type = new Plc(CpuType.S71200, IPAdrees.Text, Convert.ToInt16(rackN.Value), Convert.ToInt16(Solt.Value)); break;
                case "S71500": PLC_Type = new Plc(CpuType.S71500, IPAdrees.Text, Convert.ToInt16(rackN.Value), Convert.ToInt16(Solt.Value)); break;
                default:break;
            }
            //开始连接并返回故障码
            PLC_Type.Open();
            ConnecteState.Text = (PLC_Type.IsConnected ? "连接成功" : "连接失败");

            //case ErrorCode.ConnectionError:ConnecteState.Text = "连接失败";break;
            //case ErrorCode.IPAddressNotAvailable: ConnecteState.Text = "IP地址无效"; break;
            //case ErrorCode.NoError: ConnecteState.Text = "连接成功"; break;
            //case ErrorCode.SendData: ConnecteState.Text = "发送数据中"; break;
            //case ErrorCode.ReadData: ConnecteState.Text = "读取数据中"; break; 
        }

        private void DisConnectButton_Click(object sender, EventArgs e)
        {
            if (PLC_Type != null)
            {
                PLC_Type.Close();
                ConnecteState.Text = "";
            }      
        }

        private void Readbutton_Click(object sender, EventArgs e)
        {
            double MyPlcData=0.0;
            try
            {
                switch (DateType.Text)
                {
                    case "Bit": MyPlcData = Convert.ToDouble((Boolean)(PLC_Type.Read("DB" + DBText.Value + "." + "DBX" + StartText.Value+"."+BitSelect.Value))); break;
                    case "Byte": MyPlcData = Convert.ToDouble((Byte)(PLC_Type.Read("DB" + DBText.Value + "." + "DBB" + StartText.Value))); break;
                    case "Word": MyPlcData = Convert.ToDouble((UInt16)(PLC_Type.Read("DB" + DBText.Value + "." + "DBW" + StartText.Value))); break;
                    case "DWord": MyPlcData = Convert.ToDouble((UInt32)(PLC_Type.Read("DB" + DBText.Value + "." + "DBD" + StartText.Value))); break;
                    case "Int": MyPlcData = BitConverter.ToInt16(BitConverter.GetBytes((UInt16)(PLC_Type.Read("DB" + DBText.Value + "." + "DBW" + StartText.Value))),0); break;
                    case "DInt": MyPlcData = BitConverter.ToInt32(BitConverter.GetBytes((UInt32)(PLC_Type.Read("DB" + DBText.Value + "." + "DBD" + StartText.Value))),0); break;
                    case "Real": MyPlcData = BitConverter.ToSingle(BitConverter.GetBytes((UInt32)PLC_Type.Read("DB" + DBText.Value + "." + "DBD" + StartText.Value)),0); break;
                    default: break;
                }
            }
            catch(Exception e1)
            {
                MessageBox.Show(e1.Message);
            }
            txtResult.Text = MyPlcData.ToString();
        }
        private void Writebutton_Click(object sender, EventArgs e)
        {
            ErrorCode errorCode=0;
            string MyData = "";
            try
            {
                switch(DateType.Text)
                {
                    case "Bit":  PLC_Type.Write("DB" + DBText.Value + "." + "DBX" + StartText.Value+"."+BitSelect.Value, Convert.ToBoolean(Convert.ToInt16(WriteText.Text))); break;
                    case "Word":   PLC_Type.Write("DB" + DBText.Value + "." + "DBW" + StartText.Value, Convert.ToUInt16(WriteText.Text)); break;
                    case "DWord":  PLC_Type.Write("DB" + DBText.Value + "." + "DBD" + StartText.Value, Convert.ToUInt32(WriteText.Text)); break;
                    case "Int": PLC_Type.Write("DB" + DBText.Value + "." + "DBW" + StartText.Value, (Int16)Convert.ToSingle(WriteText.Text)); break;
                    case "DInt":  PLC_Type.Write("DB" + DBText.Value + "." + "DBD" + StartText.Value, (Int32)Convert.ToSingle(WriteText.Text)); break;
                    case "Real":   PLC_Type.Write("DB" + DBText.Value + "." + "DBD" + StartText.Value, BitConverter.ToUInt32(BitConverter.GetBytes(Convert.ToSingle(WriteText.Text)),0)); break;

                    case "Byte":
                        {
                            Byte[] bytes = new Byte[1]; 
                            bytes[0] = Convert.ToByte(WriteText.Text); 
                            PLC_Type.WriteBytes(DataType.DataBlock, (int)DBText.Value, (int)StartText.Value, bytes); 
                            break;
                        }
                    default:break;
                } 
            }
            catch (Exception e1)
            {

            }
            MessageBox.Show(MyData);
        }
        private void IPAdrees_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!(char.IsNumber(e.KeyChar)) && (e.KeyChar != (char)8) && (e.KeyChar != Convert.ToChar(".")) )
                e.Handled = true;//e.handled=true即可,无效化刚刚输入的键值      
        }

        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!(char.IsNumber(e.KeyChar)) && (e.KeyChar != (char)8) && (e.KeyChar != Convert.ToChar("."))&&(e.KeyChar != Convert.ToChar("-")) )
                e.Handled = true;//e.handled=true即可,无效化刚刚输入的键值  
        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (DateType.Text == "Bit")
                BitSelect.Enabled = true;
            else
                BitSelect.Enabled = false; 
        }

        private void Form2_Load(object sender, EventArgs e)
        {

        }
    }
}