sfc界面处理完成，还差顺序逻辑控制过程

AIStudio.Wpf.SFC/ViewModels/SFCConditionNode.cs

@@ -1,6 +1,9 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
 using System.Text;
+using System.Windows.Media;
 using Util.DiagramDesigner;
 
 namespace AIStudio.Wpf.SFC.ViewModels
@@ -9,10 +12,83 @@ namespace AIStudio.Wpf.SFC.ViewModels
     {
         public SFCConditionNode() : base(SFCNodeKinds.Condition)
         {
+            ColorViewModel.LineColor.Color = Colors.Black;
+            ItemWidth = 30;
+            ItemHeight = 30;           
+
+            ExecuteAddTopInput(null);
+            ExecuteAddBottomOutput(null);
         }
 
         public SFCConditionNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
         {
         }
+
+        protected override void Init()
+        {
+            base.Init();
+        }
+
+        private bool _showText;
+        public override bool ShowText
+        {
+            get
+            {
+                return false;
+            }
+            set
+            {
+                SetProperty(ref _showText, value);
+            }
+        }
+
+        private string _expression;
+        public string Expression
+        {
+            get
+            {
+                return _expression;
+            }
+            set
+            {
+                SetProperty(ref _expression, value);
+            }
+        }
+
+        private string _para;
+        public string Para
+        {
+            get
+            {
+                return _para;
+            }
+            set
+            {
+                _para = value;
+            }
+        }
+
+        private ObservableCollection<LinkPoint> _linkPoint = new ObservableCollection<LinkPoint>();
+        public ObservableCollection<LinkPoint> LinkPoint
+        {
+            get
+            {
+                return _linkPoint;
+            }
+            set
+            {
+                SetProperty(ref _linkPoint, value);
+            }
+        }
+
+        protected override void ExecuteEditCommand(object parameter)
+        {
+            SFCConditionNodeData data = new SFCConditionNodeData(LinkPoint, Expression);
+            if (visualiserService.ShowDialog(data) == true)
+            {
+                this.LinkPoint = new ObservableCollection<LinkPoint>(data.LinkPoint.Select(p => SFCService.LinkPoint.FirstOrDefault(q => q.Name == p.Name)));
+                this.Expression = data.Expression;
+            }
+        }
     }
 }