添加项目文件。

SettingModule/ViewModels/Dialogs/TCPConfigViewModel.cs

@@ -0,0 +1,139 @@
+using System.Collections.ObjectModel;
+using System.Windows.Input;
+using UIShare.PubEvent;
+using UIShare.UIViewModel;
+using UIShare.ViewModelBase;
+
+
+namespace SettingModule.ViewModels.Dialogs
+{
+    /// <summary>
+    /// Tcp 连接配置对话框 VM。
+    /// 通过 DialogParameters 接收宿主 DeviceInfoVM；保存时把副本写回宿主。
+    /// </summary>
+    public class TCPConfigViewModel : DialogViewModelBase
+    {
+        #region 属性
+
+        private string _title = "Tcp 连接配置";
+        public string Title
+        {
+            get => _title;
+            set => SetProperty(ref _title, value);
+        }
+
+        /// <summary>编辑用的副本，取消时不会污染宿主对象。</summary>
+        private TcpConfigVM _config = new();
+        public TcpConfigVM Config
+        {
+            get => _config;
+            set => SetProperty(ref _config, value);
+        }
+
+        /// <summary>常用 Modbus / 自定义协议端口建议。</summary>
+        public ObservableCollection<int> CommonPorts { get; } = new()
+        {
+            502, 102, 80, 8080, 5020, 4840
+        };
+
+        /// <summary>常用超时（毫秒）。</summary>
+        public ObservableCollection<int> CommonTimeouts { get; } = new()
+        {
+            500, 1000, 2000, 3000, 5000, 10000
+        };
+
+        private string _errorMessage = string.Empty;
+        public string ErrorMessage
+        {
+            get => _errorMessage;
+            set => SetProperty(ref _errorMessage, value);
+        }
+
+        #endregion
+
+        #region 命令
+        public ICommand SaveCommand { get; }
+        public ICommand CancelCommand { get; }
+        #endregion
+
+        // 用于保存时把副本回写到原对象
+        private DeviceInfoVM? _hostDevice;
+
+        public TCPConfigViewModel(IContainerProvider containerProvider) : base(containerProvider)
+        {
+            SaveCommand = new DelegateCommand(OnSave);
+            CancelCommand = new DelegateCommand(OnCancel);
+        }
+
+        private bool Validate(out string error)
+        {
+            error = string.Empty;
+            if (string.IsNullOrWhiteSpace(Config.IPAddress))
+            {
+                error = "IP 地址不能为空";
+                return false;
+            }
+            if (!System.Net.IPAddress.TryParse(Config.IPAddress, out _))
+            {
+                error = "IP 地址格式不正确";
+                return false;
+            }
+            if (Config.Port <= 0 || Config.Port > 65535)
+            {
+                error = "端口范围应在 1 - 65535";
+                return false;
+            }
+            if (Config.SendTimeout < 0 || Config.ReceiveTimeout < 0)
+            {
+                error = "超时时间不能为负数";
+                return false;
+            }
+            return true;
+        }
+
+        private void OnSave()
+        {
+            if (!Validate(out var error))
+            {
+                ErrorMessage = error;
+                return;
+            }
+            ErrorMessage = string.Empty;
+
+            // 把副本写回宿主
+            if (_hostDevice != null)
+            {
+                _hostDevice.TcpConfig ??= new TcpConfigVM();
+                Config.CopyTo(_hostDevice.TcpConfig);
+                _hostDevice.ConnectionType = "Tcp";
+            }
+
+            RequestClose.Invoke(ButtonResult.OK);
+        }
+
+        private void OnCancel() => RequestClose.Invoke(ButtonResult.Cancel);
+
+        #region Prism Dialog 规范
+        public override void OnDialogOpened(IDialogParameters parameters)
+        {
+            _eventAggregator.GetEvent<OverlayEvent>().Publish(true);
+
+            if (parameters.ContainsKey("Device"))
+            {
+                _hostDevice = parameters.GetValue<DeviceInfoVM>("Device");
+                Title = $"Tcp 连接配置 - {_hostDevice?.DeviceName}";
+                Config = new TcpConfigVM(_hostDevice?.TcpConfig);
+            }
+            else if (parameters.ContainsKey("Config"))
+            {
+                Config = new TcpConfigVM(parameters.GetValue<TcpConfigVM>("Config"));
+            }
+        }
+
+        public override void OnDialogClosed()
+        {
+            _eventAggregator.GetEvent<OverlayEvent>().Publish(false);
+        }
+        #endregion
+    }
+}