优化了Workbench上的操作。

Workbench/Services/FlowNodeService.cs

@@ -9,6 +9,7 @@ using Serein.Workbench.Node.ViewModel;
 using Serein.Workbench.ViewModels;
 using Serein.Workbench.Views;
 using System;
+using System.Reactive;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows;
@@ -20,7 +21,7 @@ namespace Serein.Workbench.Services
     /// <summary>
     /// 流程节点管理
     /// </summary>
-    public class FlowNodeService
+    public class FlowNodeService 
     {
 
 
@@ -44,6 +45,16 @@ namespace Serein.Workbench.Services
         /// </summary>
         public Action<FlowCanvasView> OnViewCanvasChanged{ get; set; }
 
+        /// <summary>
+        /// 查看的节点发生变化
+        /// </summary>
+        public Action<NodeControlBase> OnViewNodeControlChanged{ get; set; }
+
+        /// <summary>
+        /// 查看方法发生变化
+        /// </summary>
+        public Action<MethodDetailsInfo> OnViewMethodDetailsInfoChanged { get; set; }
+
         #endregion
 
         #region 创建节点相关的属性
@@ -64,10 +75,39 @@ namespace Serein.Workbench.Services
             }
         }
 
+
+        private NodeControlBase? currentSelectNodeControl;
+
+        /// <summary>
+        /// 当前选中的节点
+        /// </summary>
+        public NodeControlBase? CurrentSelectNodeControl { get => currentSelectNodeControl; set
+            {
+                if (value == null || value.Equals(currentSelectNodeControl))
+                {
+                    return;
+                }
+                currentSelectNodeControl = value;
+                OnViewNodeControlChanged?.Invoke(value);
+            }
+        }
+
+        private MethodDetailsInfo? currentMethodDetailsInfo;
+
         /// <summary>
         /// 当前拖动的方法信息
         /// </summary>
-        public MethodDetailsInfo? CurrentDragMdInfo { get; set; }
+        public MethodDetailsInfo? CurrentMethodDetailsInfo { get => currentMethodDetailsInfo; set
+            {
+                if (value == null || value.Equals(currentMethodDetailsInfo))
+                {
+                    return;
+                }
+                currentMethodDetailsInfo = value;
+                OnViewMethodDetailsInfoChanged?.Invoke(value);
+            }
+        }
+
 
         /// <summary>
         /// 当前需要创建的节点类型
@@ -79,10 +119,6 @@ namespace Serein.Workbench.Services
         /// </summary>
         public PositionOfUI? CurrentMouseLocation { get; set; }
 
-        /// <summary>
-        /// 当前选中的节点
-        /// </summary>
-        public NodeControlBase? CurrentSelectNodeControl { get; set; }
 
         /// <summary>
         /// 连接数据
@@ -651,7 +687,7 @@ namespace Serein.Workbench.Services
             string canvasGuid = model.Guid;
             NodeControlType nodeType = CurrentNodeControlType;
             PositionOfUI? position = CurrentMouseLocation;
-            MethodDetailsInfo? methodDetailsInfo = CurrentDragMdInfo;
+            MethodDetailsInfo? methodDetailsInfo = CurrentMethodDetailsInfo;
 
             if (position is null)
             {

Workbench/Services/FlowProjectService.cs

@@ -0,0 +1,60 @@
+using Newtonsoft.Json;
+using Serein.Library;
+using Serein.Library.Api;
+using Serein.NodeFlow.Env;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Services
+{
+    public class FlowProjectService
+    {
+        private readonly IFlowEnvironment flowEnvironment;
+
+        public SereinProjectData? FlowProjectData { get; set; }
+        public string FileDataPath { get; set; }
+
+        public FlowProjectService(IFlowEnvironment flowEnvironment)
+        {
+            this.flowEnvironment = flowEnvironment;
+        }
+
+        public void LoadLocalProject(string filePath)
+        {
+            if (File.Exists(filePath))
+            {
+                string content = System.IO.File.ReadAllText(filePath); // 读取整个文件内容
+                this.FlowProjectData = JsonConvert.DeserializeObject<SereinProjectData>(content);
+                this.FileDataPath = System.IO.Path.GetDirectoryName(filePath)!;   //  filePath;//
+                var dir = Path.GetDirectoryName(filePath);
+                var flowEnvInfo = new FlowEnvInfo
+                {
+                    Project = FlowProjectData,
+                };
+                flowEnvironment.LoadProject(flowEnvInfo, FileDataPath);
+            }
+        }
+
+        public void SelectProjectFile()
+        {
+            System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
+            openFileDialog.Filter = "流程项目文件|*.dnf|所有文件|*.*";
+            openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
+            openFileDialog.Title = "打开项目文件";
+            openFileDialog.Multiselect = false;
+
+            // 显示文件对话框
+            if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
+            {
+                // 获取用户选择的文件路径
+                var projectFile = openFileDialog.FileName;
+                LoadLocalProject(projectFile);
+            }
+        }
+
+    }
+}