IOT/MainModule/ViewModels/ConnectionConfigViewModel.cs

using MainModule.Events;
using Prism.Commands;
using Prism.Mvvm;
using S7.Net;
using System.Collections.Generic;
using System.IO.Ports;
using System.Windows;

namespace MainModule.ViewModels
{
    public class ConnectionConfigViewModel : BindableBase
    {
        #region 私有字段
        private Events.ProtocolType _selectedProtocol = Events.ProtocolType.S7;
        private string _ipAddress = "127.0.0.1";
        private int _port = 502;
        private string _serialPort = "COM1";
        private int _baudRate = 9600;
        private Parity _parity = Parity.None;
        private int _dataBits = 8;
        private StopBits _stopBits = StopBits.One;
        private CpuType _cpuType = CpuType.S71200;
        private short _rack = 0;
        private short _slot = 1;
        private int _sendTimeout = 3000;
        private int _receiveTimeout = 5000;
        #endregion

        #region 公共属性
        public Events.ProtocolType SelectedProtocol
        {
            get => _selectedProtocol;
            set
            {
                if (SetProperty(ref _selectedProtocol, value))
                {
                    RaisePropertyChanged(nameof(IsS7Protocol));
                    RaisePropertyChanged(nameof(IsModbusTCPProtocol));
                    RaisePropertyChanged(nameof(IsModbusRTUProtocol));
                    RaisePropertyChanged(nameof(IsTCPProtocol));
                    RaisePropertyChanged(nameof(IsHTTPProtocol));
                }
            }
        }

        public string IpAddress
        {
            get => _ipAddress;
            set => SetProperty(ref _ipAddress, value);
        }

        public int Port
        {
            get => _port;
            set => SetProperty(ref _port, value);
        }

        public string SerialPort
        {
            get => _serialPort;
            set => SetProperty(ref _serialPort, value);
        }

        public int BaudRate
        {
            get => _baudRate;
            set => SetProperty(ref _baudRate, value);
        }

        public Parity Parity
        {
            get => _parity;
            set => SetProperty(ref _parity, value);
        }

        public int DataBits
        {
            get => _dataBits;
            set => SetProperty(ref _dataBits, value);
        }

        public StopBits StopBits
        {
            get => _stopBits;
            set => SetProperty(ref _stopBits, value);
        }

        public CpuType CpuType
        {
            get => _cpuType;
            set => SetProperty(ref _cpuType, value);
        }

        public short Rack
        {
            get => _rack;
            set => SetProperty(ref _rack, value);
        }

        public short Slot
        {
            get => _slot;
            set => SetProperty(ref _slot, value);
        }

        public int SendTimeout
        {
            get => _sendTimeout;
            set => SetProperty(ref _sendTimeout, value);
        }

        public int ReceiveTimeout
        {
            get => _receiveTimeout;
            set => SetProperty(ref _receiveTimeout, value);
        }
        #endregion

        #region 协议类型判断属性
        public bool IsS7Protocol => SelectedProtocol == Events.ProtocolType.S7;
        public bool IsModbusTCPProtocol => SelectedProtocol == Events.ProtocolType.ModbusTCP;
        public bool IsModbusRTUProtocol => SelectedProtocol == Events.ProtocolType.ModbusRTU;
        public bool IsTCPProtocol => SelectedProtocol == Events.ProtocolType.TCP;
        public bool IsHTTPProtocol => SelectedProtocol == Events.ProtocolType.HTTP;
        #endregion

        #region 下拉列表数据源
        public List<CpuType> CpuTypes { get; } = new List<CpuType>
        {
            CpuType.S71200,
            CpuType.S71500,
            CpuType.S7200,
            CpuType.S7300,
            CpuType.S7400,
            CpuType.S7200Smart
        };

        public List<int> BaudRates { get; } = new List<int>
        {
            9600,
            19200,
            38400,
            57600,
            115200
        };

        public List<int> DataBitsList { get; } = new List<int> { 7, 8 };

        public List<Parity> ParityList { get; } = new List<Parity>
        {
            Parity.None,
            Parity.Odd,
            Parity.Even,
            Parity.Mark,
            Parity.Space
        };

        public List<StopBits> StopBitsList { get; } = new List<StopBits>
        {
            StopBits.None,
            StopBits.One,
            StopBits.OnePointFive,
            StopBits.Two
        };

        public List<string> SerialPorts { get; } = new List<string>
        {
            "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8"
        };
        #endregion

        #region 命令
        public DelegateCommand ConfirmCommand { get; }
        public DelegateCommand CancelCommand { get; }
        public DelegateCommand SelectS7Command { get; }
        public DelegateCommand SelectModbusTCPCommand { get; }
        public DelegateCommand SelectModbusRTUCommand { get; }
        public DelegateCommand SelectTCPCommand { get; }
        public DelegateCommand SelectHTTPCommand { get; }
        #endregion

        #region 配置数据（供外部获取）
        public ConnectionConfigEvent.ConnectionConfigData ConnectionConfigData { get; private set; }
        #endregion

        public ConnectionConfigViewModel()
        {
            ConfirmCommand = new DelegateCommand(ExecuteConfirm);
            CancelCommand = new DelegateCommand(ExecuteCancel);
            SelectS7Command = new DelegateCommand(() => SelectedProtocol = Events.ProtocolType.S7);
            SelectModbusTCPCommand = new DelegateCommand(() => SelectedProtocol = Events.ProtocolType.ModbusTCP);
            SelectModbusRTUCommand = new DelegateCommand(() => SelectedProtocol = Events.ProtocolType.ModbusRTU);
            SelectTCPCommand = new DelegateCommand(() => SelectedProtocol = Events.ProtocolType.TCP);
            SelectHTTPCommand = new DelegateCommand(() => SelectedProtocol = Events.ProtocolType.HTTP);
        }

        #region 命令执行
        private void ExecuteConfirm()
        {
            ConnectionConfigData = new ConnectionConfigEvent.ConnectionConfigData
            {
                Protocol = SelectedProtocol,
                IpAddress = IpAddress,
                Port = Port,
                SerialPort = SerialPort,
                BaudRate = BaudRate,
                Parity = Parity,
                DataBits = DataBits,
                StopBits = StopBits,
                CpuType = CpuType,
                Rack = Rack,
                Slot = Slot,
                SendTimeout = SendTimeout,
                ReceiveTimeout = ReceiveTimeout
            };

            var window = Application.Current.Windows.OfType<Views.ConnectionConfigView>().FirstOrDefault();
            if (window != null)
            {
                window.DialogResult = true;
                window.Close();
            }
        }

        private void ExecuteCancel()
        {
            ConnectionConfigData = null;
            var window = Application.Current.Windows.OfType<Views.ConnectionConfigView>().FirstOrDefault();
            if (window != null)
            {
                window.DialogResult = false;
                window.Close();
            }
        }
        #endregion
    }
}