完成单个变量编辑

Services/DialogService.cs

@@ -93,4 +93,18 @@ public class DialogService :IDialogService
         MessageBox.Show(message);
     }
 
+    public async Task<VariableData> ShowEditVarDataDialog(VariableData variableData)
+    {
+        VarDataDialogViewModel vm = new();
+        vm.Title = "编辑变量";
+        vm.PrimaryButtonText =  "编辑变量";
+        vm.VariableData = variableData;
+        var dialog = new VarDataDialog(vm);
+        var res = await dialog.ShowAsync();
+        if (res == ContentDialogResult.Primary)
+        {
+            return vm.VariableData;
+        }
+        return null;
+    }
 }

Services/IDialogService.cs

@@ -14,4 +14,5 @@ public interface IDialogService
     Task<VariableData> ShowAddVarDataDialog();
 
     void ShowMessageDialog(string title, string message);
+    Task<VariableData> ShowEditVarDataDialog(VariableData variableData);
 }

ViewModels/VariableTableViewModel.cs

@@ -23,6 +23,9 @@ partial class VariableTableViewModel : ViewModelBase
     [ObservableProperty]
     private ObservableCollection<VariableData> _dataVariables;
 
+    [ObservableProperty]
+    private VariableData _selectedVariableData;
+
     /// <summary>
     /// 是否是第一次加载,防止ToggleSwitch第一次加载触发改变事件
     /// </summary>
@@ -53,6 +56,36 @@ partial class VariableTableViewModel : ViewModelBase
         IsLoadCompletion = true;
     }
 
+    [RelayCommand]
+    public async void EditVarData(VariableTable variableTable)
+    {
+        try
+        {
+            // // 1. 显示添加设备对话框
+            var varData = await _dialogService.ShowEditVarDataDialog(SelectedVariableData);
+            // // 如果用户取消或对话框未返回设备，则直接返回
+            if (varData == null)
+                return;
+
+            varData.VariableTableId = variableTable.Id;
+            // 更新数据库
+            await _varDataRepository.UpdateAsync(varData);
+            // 更新当前页面的
+            var index = variableTable.DataVariables.IndexOf(SelectedVariableData);
+            // 更新变量表中的
+            if (index >= 0 && index < variableTable.DataVariables.Count)
+                variableTable.DataVariables[index] = varData;
+            NotificationHelper.ShowMessage($"编辑变量成功:{varData?.Name}", NotificationType.Success);
+        }
+        catch (Exception e)
+        {
+            string msg = $"编辑变量的过程中发生了不可预期的错误：";
+            Logger.Error(msg + e);
+            NotificationHelper.ShowMessage(msg + e.Message, NotificationType.Error);
+        }
+    }
+
+
     [RelayCommand]
     public async void AddVarData(VariableTable variableTable)
     {

Views/VariableTableView.xaml

@@ -52,8 +52,9 @@
                         <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Add}" />
                     </ui:AppBarButton.Icon>
                 </ui:AppBarButton>
-                <ui:AppBarButton x:Name="EditButton"
+                <ui:AppBarButton Command="{Binding EditVarDataCommand}"
-                                 Label="Edit">
+                                 CommandParameter="{Binding VariableTable}"
+                                 Label="编辑变量">
                     <ui:AppBarButton.Icon>
                         <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
                     </ui:AppBarButton.Icon>
@@ -102,6 +103,7 @@
         <DataGrid Margin="10"
                   AutoGenerateColumns="False"
                   CanUserSortColumns="True"
+                  SelectedItem="{Binding SelectedVariableData}"
                   ItemsSource="{Binding DataVariables}">
             <DataGrid.Columns>
                 <DataGridTextColumn Header="名称" Binding="{Binding Name}" />