完成个删除变量功能

Data/Repositories/VarDataRepository.cs

@@ -273,7 +273,7 @@ public class VarDataRepository
         stopwatch.Start();
         using var _db = DbContext.GetInstance();
 
-        var dbList = variableDatas.Select(vd => vd.CopyTo<DbVariableData>());
+        var dbList = variableDatas.Select(vd => vd.CopyTo<DbVariableData>()).ToList();
         var result = await _db.Deleteable<DbVariableData>(dbList)
                               .ExecuteCommandAsync();
         stopwatch.Stop();

ViewModels/VariableTableViewModel.cs

@@ -212,17 +212,18 @@ partial class VariableTableViewModel : ViewModelBase
     }
 
     [RelayCommand]
-    private async void DeleteVarData()
+    public async Task DeleteVarData(List<VariableData> variablesToDelete)
     {
-        if (SelectedVariableData == null)
+        if (variablesToDelete == null || !variablesToDelete.Any())
         {
             NotificationHelper.ShowMessage("请选择要删除的变量", NotificationType.Warning);
             return;
         }
 
+        var names = string.Join("、", variablesToDelete.Select(v => v.Name));
         var confirm = await _dialogService.ShowConfrimeDialog(
             "删除确认",
-            $"确定要删除变量 \"{SelectedVariableData.Name}\" 吗？",
+            $"确定要删除选中的 {variablesToDelete.Count} 个变量吗？\n\n{names}",
             "删除");
 
         if (!confirm)
@@ -230,16 +231,18 @@ partial class VariableTableViewModel : ViewModelBase
 
         try
         {
-            var result = await _varDataRepository.DeleteAsync(SelectedVariableData);
+            var result = await _varDataRepository.DeleteAsync(variablesToDelete);
             if (result > 0)
             {
-                var dataName = SelectedVariableData.Name;
-                DataVariables.Remove(SelectedVariableData);
-                NotificationHelper.ShowMessage($"变量 \"{dataName}\" 删除成功", NotificationType.Success);
+                foreach (var variable in variablesToDelete)
+                {
+                    DataVariables.Remove(variable);
+                }
+                NotificationHelper.ShowMessage($"成功删除 {result} 个变量", NotificationType.Success);
             }
             else
             {
-                NotificationHelper.ShowMessage($"变量 \"{SelectedVariableData.Name}\" 删除失败", NotificationType.Error);
+                NotificationHelper.ShowMessage("删除变量失败", NotificationType.Error);
             }
         }
         catch (Exception e)

Views/VariableTableView.xaml

@@ -70,8 +70,8 @@
                     </ui:AppBarButton.Icon>
                 </ui:AppBarButton>
 
-                <ui:AppBarButton Command="{Binding DeleteVarDataCommand}"
-                                 Label="删除变量">
+                <ui:AppBarButton Label="删除变量"
+                                 Click="DeleteVarData_Click">
                     <ui:AppBarButton.Icon>
                         <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Delete}" />
                     </ui:AppBarButton.Icon>
@@ -141,10 +141,12 @@
 
         </ikw:SimpleStackPanel>
 
-        <DataGrid Margin="10"
+        <DataGrid x:Name="BasicGridView"
+                  Margin="10"
                   CellEditEnding="DataGrid_OnCellEditEnding"
                   AutoGenerateColumns="False"
                   CanUserSortColumns="True"
+                  SelectionMode="Extended"
                   SelectedItem="{Binding SelectedVariableData}"
                   ItemsSource="{Binding DataVariables}">
             <DataGrid.RowStyle>

Views/VariableTableView.xaml.cs

@@ -108,4 +108,18 @@ public partial class VariableTableView : UserControl
             NotificationHelper.ShowMessage(msg + e.Message, NotificationType.Error);
         }
     }
+
+    private async void DeleteVarData_Click(object sender, RoutedEventArgs e)
+    {
+        _viewModel = (VariableTableViewModel)this.DataContext;
+        var selectedVariables = BasicGridView.SelectedItems.Cast<VariableData>().ToList();
+        if (selectedVariables.Any())
+        {
+            await _viewModel.DeleteVarData(selectedVariables);
+        }
+        else
+        {
+            NotificationHelper.ShowMessage("请选择要删除的变量", NotificationType.Warning);
+        }
+    }
 }