添加查找当前节点下的所有变量功能

DMS.WPF/ViewModels/Dialogs/ImportOpcUaDialogViewModel.cs

@@ -12,6 +12,7 @@ using Opc.Ua;
 using Opc.Ua.Client;
 using System.Collections;
 using System.Collections.ObjectModel;
+using static Dm.net.buffer.ByteArrayBuffer;
 
 namespace DMS.WPF.ViewModels.Dialogs;
 
@@ -40,6 +41,9 @@ public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<Varia
     [ObservableProperty]
     private bool _isConnectButtonEnabled = true;
 
+    [ObservableProperty]
+    private OpcUaNodeItemViewModel _currentOpcUaNodeItem;
+
     private Session _session;
 
     private readonly IOpcUaService _opcUaService;
@@ -137,7 +141,17 @@ public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<Varia
             // 加载节点的子项
             node.IsExpanded = true;
             node.IsSelected = true;
+            CurrentOpcUaNodeItem = node;
+            await Browse(node);
+        }
+        catch (Exception ex)
+        {
+            NotificationHelper.ShowError($"加载 OPC UA 节点变量失败: {node.NodeId} - {ex.Message}", ex);
+        }
+    }
 
+    private async Task Browse(OpcUaNodeItemViewModel node, bool isScan = false)
+    {
         var childrens = await _opcUaService.BrowseNode(_mapper.Map<OpcUaNode>(node));
         foreach (var children in childrens)
         {
@@ -154,17 +168,42 @@ public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<Varia
                 });
             }
             else
+            {
+                if (node.Children.FirstOrDefault(n => n.NodeId == opcNodeItem.NodeId) == null)
                 {
                     node.Children.Add(opcNodeItem);
                 }
+
+                if (isScan)
+                {
+                    Browse(opcNodeItem);
                 }
             }
+        }
+    }
+
+    [RelayCommand]
+    private async Task FindCurrentNodeVariables()
+    {
+        try
+        {
+            if (CurrentOpcUaNodeItem == null)
+            {
+                NotificationHelper.ShowError($"请先选择左边的节点，然后再查找变量。");
+                return;
+            }
+
+            OpcUaNodeVariables.Clear();
+
+            // 加载节点的子项
+            CurrentOpcUaNodeItem.IsExpanded = true;
+            CurrentOpcUaNodeItem.IsSelected = true;
+
+            await Browse(CurrentOpcUaNodeItem, true);
+        }
         catch (Exception ex)
         {
-            NlogHelper.Error($"加载 OPC UA 节点变量失败: {node.NodeId} - {ex.Message}", ex);
+            NotificationHelper.ShowError($"加载 OPC UA 节点变量失败: {CurrentOpcUaNodeItem.NodeId} - {ex.Message}", ex);
-            NotificationHelper.ShowError($"加载 OPC UA 节点变量失败: {node.NodeId} - {ex.Message}", ex);
         }
     }
-
-
 }

DMS.WPF/Views/Dialogs/ImportOpcUaDialog.xaml

@@ -47,6 +47,22 @@
                 Content="{Binding ConnectButtonText}"
                 IsEnabled="{Binding IsConnectButtonEnabled}"
                 Style="{StaticResource AccentButtonStyle}" />
+            <Button
+                x:Name="FindVariablesButton"
+                Margin="10,0,0,0"
+                Command="{Binding FindCurrentNodeVariablesCommand}"
+                Content="查找当前节点下的所有变量">
+                <Button.Style>
+                    <Style BasedOn="{StaticResource {x:Type Button}}" TargetType="Button">
+                        <Setter Property="Visibility" Value="Collapsed" />
+                        <Style.Triggers>
+                            <DataTrigger Binding="{Binding IsConnected}" Value="True">
+                                <Setter Property="Visibility" Value="Visible" />
+                            </DataTrigger>
+                        </Style.Triggers>
+                    </Style>
+                </Button.Style>
+            </Button>
         </StackPanel>
 
         <!--  节点树  -->