恢复WPF项目代码

Workbench/MainWindowViewModel.cs

@@ -0,0 +1,101 @@
+using Serein.Library.Api;
+using Serein.Library.Utils;
+using Serein.NodeFlow.Env;
+using System.ComponentModel;
+using System.Windows;
+
+namespace Serein.Workbench
+{
+    /// <summary>
+    /// 工作台数据视图
+    /// </summary>
+    /// <param name="window"></param>
+    public class MainWindowViewModel: INotifyPropertyChanged
+    {
+        private readonly MainWindow window ;
+
+        /// <summary>
+        /// 运行环境
+        /// </summary>
+        public IFlowEnvironment FlowEnvironment { get; set; }
+
+        /// <summary>
+        /// 工作台数据视图
+        /// </summary>
+        /// <param name="window"></param>
+        public MainWindowViewModel(MainWindow window)
+        {
+            UIContextOperation? uIContextOperation = null;
+            Application.Current.Dispatcher.Invoke(() =>
+            {
+                SynchronizationContext? uiContext = SynchronizationContext.Current; // 在UI线程上获取UI线程上下文信息
+                if (uiContext != null)
+                {
+                    uIContextOperation = new UIContextOperation(uiContext); // 封装一个调用UI线程的工具类
+                }
+            });
+
+            if (uIContextOperation is null) 
+            {
+                throw new Exception("无法封装 UIContextOperation ");
+            }
+            else
+            {
+                FlowEnvironment = new FlowEnvironmentDecorator(uIContextOperation);
+                //_ = FlowEnvironment.StartRemoteServerAsync();
+                this.window = window;
+            }
+        }
+
+
+        private bool _isConnectionInvokeNode = false;
+        /// <summary>
+        /// 是否正在连接节点的方法调用关系
+        /// </summary>
+        public bool IsConnectionInvokeNode { get => _isConnectionInvokeNode; set
+            {
+                if (_isConnectionInvokeNode != value)
+                {
+                    SetProperty<bool>(ref _isConnectionInvokeNode, value);
+                }
+            }
+        }
+
+        private bool _isConnectionArgSouceNode = false;
+        /// <summary>
+        /// 是否正在连接节点的参数传递关系
+        /// </summary>
+        public bool IsConnectionArgSourceNode { get => _isConnectionArgSouceNode; set
+            {
+                if (_isConnectionArgSouceNode != value)
+                {
+                    SetProperty<bool>(ref _isConnectionArgSouceNode, value);
+                }
+            }
+        }
+
+
+        /// <summary>
+        /// 略
+        /// <para>此事件为自动生成</para>
+        /// </summary>
+        public event PropertyChangedEventHandler? PropertyChanged;
+        /// <summary>
+        /// 通知属性变更
+        /// </summary>
+        /// <typeparam name="T">类型</typeparam>
+        /// <param name="storage">绑定的变量</param>
+        /// <param name="value">新的数据</param>
+        /// <param name="propertyName"></param>
+        protected void SetProperty<T>(ref T storage, T value, [System.Runtime.CompilerServices.CallerMemberName] string propertyName = null)
+        {
+            if (Equals(storage, value))
+            {
+                return;
+            }
+
+            storage = value;
+            PropertyChanged?.Invoke(this, new System.ComponentModel.PropertyChangedEventArgs(propertyName));
+        }
+    }
+}