初步添加事件服务

DMS.WPF/ViewModels/DevicesViewModel.cs

@@ -44,9 +44,13 @@ public partial class DevicesViewModel : ViewModelBase, INavigatable
     /// <summary>
     /// 初始化 <see cref="DevicesViewModel"/> 类的新实例。
     /// </summary>
-    /// <param name="logger">日志记录器。</param>
+    /// <param name="mapper">对象映射器。</param>
+    /// <param name="dataStorageService">数据存储服务。</param>
     /// <param name="dialogService">对话框服务。</param>
+    /// <param name="navigationService">导航服务。</param>
     /// <param name="wpfDataService">主数据服务。</param>
+    /// <param name="deviceAppService">设备应用服务。</param>
+    /// <param name="notificationService">通知服务。</param>
     public DevicesViewModel(IMapper mapper,IDataStorageService dataStorageService,
                             IDialogService dialogService, INavigationService navigationService,
                             IWPFDataService wpfDataService, IDeviceAppService deviceAppService,
@@ -60,6 +64,9 @@ public partial class DevicesViewModel : ViewModelBase, INavigatable
         _deviceAppService = deviceAppService;
         _notificationService = notificationService;
         Devices = _dataStorageService.Devices;
+        
+        // 设置DeviceItemViewModel的静态服务引用
+        DeviceItemViewModel.EventService = wpfDataService.EventService;
     }
 
 
@@ -204,5 +211,15 @@ public partial class DevicesViewModel : ViewModelBase, INavigatable
 
     public async Task OnNavigatedToAsync(MenuItemViewModel menu)
     {
+
+        
+    }
+
+    private void OnDeviceIsActiveChanged(object? sender, bool isActive)
+    {
+        if (sender is DeviceItemViewModel deviceItemViewModel)
+        {
+            
+        }
     }
 }

DMS.WPF/ViewModels/Items/DeviceItemViewModel.cs

@@ -3,6 +3,8 @@
 using System.Collections.ObjectModel;
 using CommunityToolkit.Mvvm.ComponentModel;
 using DMS.Core.Enums;
+using DMS.WPF.Events;
+using DMS.WPF.Interfaces;
 
 namespace DMS.WPF.ViewModels.Items;
 
@@ -12,6 +14,9 @@ namespace DMS.WPF.ViewModels.Items;
 /// </summary>
 public partial class DeviceItemViewModel : ObservableObject
 {
+    // 用于访问事件服务的静态属性
+    public static IEventService EventService { get; set; }
+    
     public int Id { get; set; }
 
     [ObservableProperty]
@@ -72,6 +77,19 @@ public partial class DeviceItemViewModel : ObservableObject
         }
     }
 
+    /// <summary>
+    /// 当IsActive属性改变时调用，用于发布设备状态改变事件
+    /// </summary>
+    partial void OnIsActiveChanged(bool oldValue, bool newValue)
+    {
+        // 只有当设备ID有效且事件服务已初始化时才发布事件
+        if (Id > 0 && EventService != null)
+        {
+            // 发布设备状态改变事件
+            EventService.RaiseDeviceStatusChanged(this, new DeviceActiveChangedEventArgs(Id, Name, oldValue, newValue));
+        }
+    }
+
     public ObservableCollection<VariableTableItemViewModel> VariableTables { get; set; } = new();
 
 }