完成信号类型的绑定，和选择

Views/VariableTableView.xaml.cs

@@ -1,16 +1,23 @@
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Media;
 using iNKORE.UI.WPF.Modern.Controls;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using NLog;
+using PMSWPF.Enums;
 using PMSWPF.Helper;
+using PMSWPF.Models;
 using PMSWPF.ViewModels;
 
 namespace PMSWPF.Views;
 
 public partial class VariableTableView : UserControl
 {
+    private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
     public bool IsLoadCompletion;
+    private VariableTableViewModel _viewModel;
 
     public VariableTableView()
     {
@@ -23,7 +30,7 @@ public partial class VariableTableView : UserControl
     {
         try
         {
-            var _viewModel = (VariableTableViewModel)this.DataContext;
+            _viewModel = (VariableTableViewModel)this.DataContext;
             // 判断如果没有加载完成就跳过，防止ToggleSwtich加载的时候触发
             if (!_viewModel.IsLoadCompletion || !IsLoadCompletion)
                 return;
@@ -41,4 +48,64 @@ public partial class VariableTableView : UserControl
     {
         IsLoadCompletion = true;
     }
+
+    private void DataGrid_OnCellEditEnding(object? sender, DataGridCellEditEndingEventArgs args)
+    {
+        if (args.EditAction != DataGridEditAction.Commit)
+            return;
+
+        try
+        {
+            // 获取到改变后的值和绑定的属性名
+            VariableData varData = (VariableData)args.Row.Item;
+            var element = args.EditingElement;
+            object newValue = null;
+            string bindingPath = "";
+
+            if (element is TextBox textBox)
+            {
+                newValue = textBox.Text;
+                DataGridTextColumn textColumn = (DataGridTextColumn)args.Column;
+                bindingPath = (textColumn.Binding as Binding)?.Path.Path;
+            }
+            else if (element is CheckBox checkBox)
+            {
+                newValue = checkBox.IsChecked;
+                DataGridCheckBoxColumn checkBoxColumn = (DataGridCheckBoxColumn)args.Column;
+                bindingPath = (checkBoxColumn.Binding as Binding)?.Path.Path;
+            }
+            else if (args.Column.Header.ToString() == "信号类型")
+            {
+                var comboBox = VisualTreeHelper.GetChild(element, 0) as ComboBox;
+                if (comboBox != null)
+                {
+                    newValue = comboBox.SelectedItem;
+                    bindingPath = "SignalType";
+                }
+            }
+            else
+            {
+                return;
+            }
+
+            if (newValue == null || string.IsNullOrEmpty(bindingPath))
+                return;
+            // 通过反射拿到值
+            var pathPropertyInfo = varData.GetType()
+                                          .GetProperty(bindingPath);
+            var oldValue = pathPropertyInfo.GetValue(varData);
+            // 判断值是否相等
+            if (newValue.ToString() != oldValue?.ToString())
+            {
+                varData.IsModified = true;
+            }
+
+        }
+        catch (Exception e)
+        {
+            string msg = "编辑变量表数据时发生了错误：";
+            Logger.Error(msg + e);
+            NotificationHelper.ShowMessage(msg + e.Message, NotificationType.Error);
+        }
+    }
 }