271 lines
9.1 KiB
C#
271 lines
9.1 KiB
C#
using CommunityToolkit.Mvvm.ComponentModel;
|
|
using CommunityToolkit.Mvvm.Input;
|
|
using DMS.Core.Models;
|
|
using DMS.Helper;
|
|
using DMS.Infrastructure.Interfaces.Services;
|
|
using DMS.WPF.ViewModels.Items;
|
|
using Opc.Ua;
|
|
using Opc.Ua.Client;
|
|
using System.Collections.ObjectModel;
|
|
|
|
namespace DMS.WPF.ViewModels.Dialogs;
|
|
|
|
public partial class ImportOpcUaDialogViewModel : DialogViewModelBase<List<VariableItemViewModel>>
|
|
{
|
|
[ObservableProperty]
|
|
private string _endpointUrl = "opc.tcp://127.0.0.1:4855"; // 默认值
|
|
|
|
//[ObservableProperty]
|
|
//private ObservableCollection<OpcUaNode> _opcUaNodes;
|
|
|
|
[ObservableProperty]
|
|
private ObservableCollection<Variable> _selectedNodeVariables;
|
|
|
|
public List<Variable> SelectedVariables { get; set; } = new List<Variable>();
|
|
|
|
[ObservableProperty]
|
|
private bool _selectAllVariables;
|
|
|
|
[ObservableProperty]
|
|
private bool _isConnected;
|
|
|
|
[ObservableProperty]
|
|
private string _connectButtonText="连接服务器";
|
|
|
|
[ObservableProperty]
|
|
private bool _isConnectButtonEnabled = true;
|
|
|
|
private Session _session;
|
|
|
|
private readonly IOpcUaService _opcUaService;
|
|
|
|
private CancellationTokenSource _cancellationTokenSource;
|
|
|
|
public ImportOpcUaDialogViewModel(IOpcUaService opcUaService)
|
|
{
|
|
//OpcUaNodes = new ObservableCollection<OpcUaNode>();
|
|
SelectedNodeVariables = new ObservableCollection<Variable>();
|
|
this._opcUaService = opcUaService;
|
|
|
|
_cancellationTokenSource=new CancellationTokenSource();
|
|
|
|
}
|
|
|
|
[RelayCommand]
|
|
private async Task Connect()
|
|
{
|
|
try
|
|
{
|
|
// 断开现有连接
|
|
if (!_opcUaService.IsConnected())
|
|
{
|
|
await _opcUaService.ConnectAsync(EndpointUrl, _cancellationTokenSource.Token);
|
|
}
|
|
|
|
IsConnected= _opcUaService.IsConnected();
|
|
if (IsConnected)
|
|
{
|
|
ConnectButtonText = "已连接";
|
|
IsConnectButtonEnabled = false;
|
|
}
|
|
|
|
|
|
// 浏览根节点
|
|
var rootNodeId = new NodeId(ObjectIds.ObjectsFolder);
|
|
var list=_opcUaService.BrowseNodes(rootNodeId);
|
|
//await BrowseNodes(OpcUaNodes, ObjectIds.ObjectsFolder);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
IsConnected = false;
|
|
IsConnectButtonEnabled = false;
|
|
ConnectButtonText = "连接服务器";
|
|
NotificationHelper.ShowError($"连接 OPC UA 服务器失败: {EndpointUrl} - {ex.Message}", ex);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 处理来自服务器的数据变化通知
|
|
/// </summary>
|
|
private static void OnNotification(MonitoredItem item, MonitoredItemNotificationEventArgs e)
|
|
{
|
|
foreach (var value in item.DequeueValues())
|
|
{
|
|
Console.WriteLine(
|
|
$"[通知] {item.DisplayName}: {value.Value} | 时间戳: {value.SourceTimestamp.ToLocalTime()} | 状态: {value.StatusCode}");
|
|
}
|
|
}
|
|
|
|
//private async Task BrowseNodes(ObservableCollection<OpcUaNode> nodes, NodeId parentNodeId)
|
|
//{
|
|
// try
|
|
// {
|
|
// Opc.Ua.ReferenceDescriptionCollection references;
|
|
// byte[] continuationPoint = null;
|
|
|
|
// _session.Browse(
|
|
// null, // RequestHeader
|
|
// new ViewDescription(),
|
|
// parentNodeId,
|
|
// 0u,
|
|
// BrowseDirection.Forward,
|
|
// Opc.Ua.ReferenceTypeIds.HierarchicalReferences,
|
|
// true,
|
|
// (uint)Opc.Ua.NodeClass.Object | (uint)Opc.Ua.NodeClass.Variable,
|
|
// out continuationPoint,
|
|
// out references
|
|
// );
|
|
|
|
// foreach (var rd in references)
|
|
// {
|
|
// NodeType nodeType = NodeType.Folder; // 默认是文件夹
|
|
// if ((rd.NodeClass & NodeClass.Variable) != 0)
|
|
// {
|
|
// nodeType = NodeType.Variable;
|
|
// }
|
|
// else if ((rd.NodeClass & NodeClass.Object) != 0)
|
|
// {
|
|
// nodeType = NodeType.Object;
|
|
// }
|
|
|
|
// var opcUaNode = new OpcUaNode(rd.DisplayName.Text, (NodeId)rd.NodeId, nodeType);
|
|
// nodes.Add(opcUaNode);
|
|
|
|
// // 如果是文件夹或对象，添加一个虚拟子节点，用于懒加载
|
|
// if (nodeType == NodeType.Folder || nodeType == NodeType.Object)
|
|
// {
|
|
// opcUaNode.Children.Add(new OpcUaNode("Loading...", NodeId.Null, NodeType.Folder)); // 虚拟节点
|
|
// }
|
|
// }
|
|
// }
|
|
// catch (Exception ex)
|
|
// {
|
|
// NlogHelper.Error($"浏览 OPC UA 节点失败: {parentNodeId} - {ex.Message}", ex);
|
|
// NotificationHelper.ShowError($"浏览 OPC UA 节点失败: {parentNodeId} - {ex.Message}", ex);
|
|
// }
|
|
//}
|
|
|
|
//public async Task LoadNodeVariables(OpcUaNode node)
|
|
//{
|
|
//if (node.NodeType == NodeType.Variable)
|
|
//{
|
|
// // 如果是变量节点，直接显示它
|
|
// SelectedNodeVariables.Clear();
|
|
// SelectedNodeVariables.Add(new Variable
|
|
// {
|
|
// Name = node.DisplayName,
|
|
// NodeId = node.NodeId.ToString(),
|
|
// OpcUaNodeId = node.NodeId.ToString(),
|
|
// ProtocolType = ProtocolType.OpcUA,
|
|
// IsActive = true // 默认选中
|
|
// });
|
|
// return;
|
|
//}
|
|
|
|
//if (node.IsLoaded || node.IsLoading)
|
|
//{
|
|
// return; // 已经加载或正在加载
|
|
//}
|
|
|
|
//node.IsLoading = true;
|
|
//node.Children.Clear(); // 清除虚拟节点
|
|
|
|
//try
|
|
//{
|
|
// Opc.Ua.ReferenceDescriptionCollection references;
|
|
// byte[] continuationPoint = null;
|
|
|
|
// _session.Browse(
|
|
// null, // RequestHeader
|
|
// new ViewDescription(),
|
|
// node.NodeId,
|
|
// 0u,
|
|
// BrowseDirection.Forward,
|
|
// Opc.Ua.ReferenceTypeIds.HierarchicalReferences,
|
|
// true,
|
|
// (uint)Opc.Ua.NodeClass.Object | (uint)Opc.Ua.NodeClass.Variable,
|
|
// out continuationPoint,
|
|
// out references
|
|
// );
|
|
|
|
// foreach (var rd in references)
|
|
// {
|
|
// NodeType nodeType = NodeType.Folder;
|
|
// if ((rd.NodeClass & NodeClass.Variable) != 0)
|
|
// {
|
|
// nodeType = NodeType.Variable;
|
|
// }
|
|
// else if ((rd.NodeClass & NodeClass.Object) != 0)
|
|
// {
|
|
// nodeType = NodeType.Object;
|
|
// }
|
|
|
|
// var opcUaNode = new OpcUaNode(rd.DisplayName.Text, (NodeId)rd.NodeId, nodeType);
|
|
// node.Children.Add(opcUaNode);
|
|
|
|
// if (nodeType == NodeType.Folder || nodeType == NodeType.Object)
|
|
// {
|
|
// opcUaNode.Children.Add(new OpcUaNode("Loading...", NodeId.Null, NodeType.Folder)); // 虚拟节点
|
|
// }
|
|
|
|
// // 如果是变量，添加到右侧列表
|
|
// if (nodeType == NodeType.Variable)
|
|
// {
|
|
// // Read the DataType attribute
|
|
// ReadValueId readValueId = new ReadValueId
|
|
// {
|
|
// NodeId = opcUaNode.NodeId,
|
|
// AttributeId = Attributes.DataType,
|
|
// // You might need to specify IndexRange and DataEncoding if dealing with arrays or specific encodings
|
|
// };
|
|
|
|
// DataValueCollection results;
|
|
// DiagnosticInfoCollection diagnosticInfos;
|
|
|
|
// _session.Read(
|
|
// null, // RequestHeader
|
|
// 0, // MaxAge
|
|
// TimestampsToReturn.Source,
|
|
// new ReadValueIdCollection { readValueId },
|
|
// out results,
|
|
// out diagnosticInfos
|
|
// );
|
|
|
|
// string dataType = string.Empty;
|
|
|
|
// if (results != null && results.Count > 0 && results[0].Value != null)
|
|
// {
|
|
// // Convert the NodeId of the DataType to a readable string
|
|
// NodeId dataTypeNodeId = (NodeId)results[0].Value;
|
|
// dataType = _session.NodeCache.GetDisplayText(dataTypeNodeId);
|
|
// }
|
|
|
|
// SelectedNodeVariables.Add(new Variable
|
|
// {
|
|
// Name = opcUaNode.DisplayName,
|
|
// OpcUaNodeId = opcUaNode.NodeId.ToString(),
|
|
// ProtocolType = ProtocolType.OpcUA,
|
|
// IsActive = true, // Default selected
|
|
// DataType = dataType // Assign the read DataType
|
|
// });
|
|
// }
|
|
// }
|
|
|
|
// node.IsLoaded = 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: {node.NodeId} - {ex.Message}", ex);
|
|
//}
|
|
//finally
|
|
//{
|
|
// node.IsLoading = false;
|
|
//}
|
|
//}
|
|
|
|
public ObservableCollection<Variable> GetSelectedVariables()
|
|
{
|
|
return new ObservableCollection<Variable>(SelectedVariables);
|
|
}
|
|
} |