完成修改多个变量修给轮询时间

ViewModels/VariableTableViewModel.cs

@@ -254,20 +254,25 @@ partial class VariableTableViewModel : ViewModelBase
     }
 
     [RelayCommand]
-    private async Task ChangePollLevel()
+    public async Task ChangePollLevel(List<VariableData> variablesToChange)
     {
-        if (SelectedVariableData == null)
+        if (variablesToChange == null || !variablesToChange.Any())
         {
-            NotificationHelper.ShowMessage("请选择一个变量", NotificationType.Warning);
+            NotificationHelper.ShowMessage("请选择要修改轮询频率的变量", NotificationType.Warning);
             return;
         }
 
-        var newPollLevelType = await _dialogService.ShowPollLevelDialog(SelectedVariableData.PollLevelType);
+        var newPollLevelType = await _dialogService.ShowPollLevelDialog(variablesToChange.First().PollLevelType);
         if (newPollLevelType.HasValue)
         {
-            SelectedVariableData.PollLevelType = newPollLevelType.Value;
+            foreach (var variable in variablesToChange)
-            await _varDataRepository.UpdateAsync(SelectedVariableData);
+            {
-            NotificationHelper.ShowMessage($"变量 {SelectedVariableData.Name} 的轮询频率已更新", NotificationType.Success);
+                variable.PollLevelType = newPollLevelType.Value;
+                variable.IsModified=false;
+            }
+
+            await _varDataRepository.UpdateAsync(variablesToChange);
+            NotificationHelper.ShowMessage($"已成功更新 {variablesToChange.Count} 个变量的轮询频率", NotificationType.Success);
         }
     }
 

Views/VariableTableView.xaml

@@ -186,7 +186,7 @@
                         </MenuItem.Icon>
                     </MenuItem>
                     <MenuItem Header="修改轮询频率"
-                              Command="{Binding  ChangePollLevelCommand}">
+                              Click="ChangePollLevel_Click">
                         <MenuItem.Icon>
                             <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Edit}" />
                         </MenuItem.Icon>

Views/VariableTableView.xaml.cs

@@ -122,4 +122,27 @@ public partial class VariableTableView : UserControl
             NotificationHelper.ShowMessage("请选择要删除的变量", NotificationType.Warning);
         }
     }
+
+    private async void ChangePollLevel_Click(object sender, RoutedEventArgs args)
+    {
+        try
+        {
+            _viewModel = (VariableTableViewModel)this.DataContext;
+            var selectedVariables = BasicGridView.SelectedItems.Cast<VariableData>().ToList();
+            if (selectedVariables.Any())
+            {
+                await _viewModel.ChangePollLevel(selectedVariables);
+            }
+            else
+            {
+                NotificationHelper.ShowMessage("请选择要修改轮询频率的变量", NotificationType.Warning);
+            }
+        }
+        catch (Exception e)
+        {
+            string msg = "修改轮询时间时发生了错误：";
+            Logger.Error(msg + e);
+            NotificationHelper.ShowMessage(msg + e.Message, NotificationType.Error);
+        }
+    }
 }