ViewModels/MainViewModel.cs

@@ -1,4 +1,9 @@
-using System.Collections.ObjectModel;
+using MembranePoreTester.Communication;
+using System.Collections.ObjectModel;
+using System.ComponentModel;  // 用于 PropertyChanged
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Input;
 
 namespace MembranePoreTester.ViewModels
 {
@@ -6,24 +11,137 @@ namespace MembranePoreTester.ViewModels
     {
         public ObservableCollection<StationItem> Stations { get; } = new();
 
+        public class StationItem : ViewModelBase
+        {
+            private readonly IPlcService _plcService;
+            private readonly PlcConfiguration _plcConfig;
+            private bool _isPressing;
+            private string _pressButtonText = "加压";
+            private string _highLowPressure = "低压";
+            private bool _enableStatus;  // M21 状态
+
+            public string Name { get; set; }
+            public BubblePointViewModel BubblePointVM { get; set; }
+            public PoreDistributionViewModel PoreDistributionVM { get; set; }
+            public int StationId { get; set; }
+
+            public string HighLowPressure
+            {
+                get => _highLowPressure;
+                set
+                {
+                    if (SetProperty(ref _highLowPressure, value))
+                    {
+                        // 当选择变化时，写入 PLC 压力模式寄存器
+                        Task.Run(async () => await WritePressureModeAsync(value));
+                    }
+                }
+            }
+
+            public string PressButtonText
+            {
+                get => _pressButtonText;
+                set => SetProperty(ref _pressButtonText, value);
+            }
+
+            // 使能状态（只读）
+            public bool EnableStatus
+            {
+                get => _enableStatus;
+                private set => SetProperty(ref _enableStatus, value);
+            }
+            // 使能状态显示文本
+            public string EnableStatusText => EnableStatus ? "运行中" : "未启动";
+
+            // 使能状态显示颜色（绿色表示运行中，灰色表示未启动）
+            public string EnableStatusColor => EnableStatus ? "Green" : "Gray";
+
+            // 定时器，用于轮询 M21 状态
+            private System.Windows.Threading.DispatcherTimer _timer;
+
+            public ICommand PressCommand { get; }
+            //public ICommand BurstCommand { get; }
+            public ICommand StartCommand { get; }
+            public ICommand StopCommand { get; }
+            public ICommand EnableCommand { get; } // 备用，但可以使用复选框直接绑定
+
+            public StationItem()
+            {
+                _plcService = App.PlcService;
+                _plcConfig = App.PlcConfig;
+
+                PressCommand = new RelayCommand(async () => await TogglePressAsync());
+                //BurstCommand = new RelayCommand(async () => await ReadBurstPressureAsync());
+                StartCommand = new RelayCommand(async () => await WriteCoilAsync(_plcConfig.StartCoil, true));
+                StopCommand = new RelayCommand(async () => await WriteCoilAsync(_plcConfig.StopCoil, true));
+                // 启动定时器，每秒读取一次 M21 状态
+                _timer = new System.Windows.Threading.DispatcherTimer();
+                _timer.Interval = TimeSpan.FromSeconds(1);
+                _timer.Tick += async (s, e) => await ReadEnableStatusAsync();
+                _timer.Start();
+            }
+
+            private async Task TogglePressAsync()
+            {
+                _isPressing = !_isPressing;
+                await WriteCoilAsync(_plcConfig.PressCoil, _isPressing);
+                PressButtonText = _isPressing ? "停止加压" : "加压";
+            }
+
+
+            private async Task ReadEnableStatusAsync()
+            {
+                try
+                {
+                    bool status = await _plcService.ReadCoilAsync(_plcConfig.EnableCoil);  // 读取 M21
+                    EnableStatus = status;
+                }
+                catch (Exception ex)
+                {
+                    // 读取出错时保持原状态或显示错误
+                    System.Diagnostics.Debug.WriteLine($"读取使能状态失败: {ex.Message}");
+                }
+            }
+
+            private async Task WriteCoilAsync(ushort coil, bool value)
+            {
+                try
+                {
+                    await _plcService.WriteCoilAsync(coil, value);
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show($"写线圈失败: {ex.Message}");
+                }
+            }
+
+            private async Task WritePressureModeAsync(string mode)
+            {
+                ushort val = mode == "高压" ? (ushort)1 : (ushort)0;
+                try
+                {
+                    await _plcService.WriteRegisterAsync(_plcConfig.PressureModeRegister, val);
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show($"写压力模式失败: {ex.Message}");
+                }
+            }
+        }
+
         public MainViewModel()
         {
             for (int i = 1; i <= 3; i++)
             {
-                Stations.Add(new StationItem
+                var station = new StationItem
                 {
                     Name = $"工位 {i}",
                     BubblePointVM = new BubblePointViewModel { StationId = i },
-                    PoreDistributionVM = new PoreDistributionViewModel { StationId = i }
-                });
+                    PoreDistributionVM = new PoreDistributionViewModel { StationId = i },
+                    StationId = i
+                };
+                Stations.Add(station);
             }
         }
     }
-
-    public class StationItem
-    {
-        public string Name { get; set; }
-        public BubblePointViewModel BubblePointVM { get; set; }
-        public PoreDistributionViewModel PoreDistributionVM { get; set; }
-    }
 }