Schematic drawing with live function, bench control by mouse, Dijkstra algo, vacuum, etc.

SchematicDrawing/GNode.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+
+namespace SchematicDrawing
+{
+    public class GNode
+    {
+        public IDrawingItem Item;
+        public int NodeId;
+        public readonly IList<GEdge> Edges;
+
+        public int Dist;
+        public bool Visited;
+
+        public GNode(IDrawingItem item, int nodeId)
+        {
+            this.Item = item;
+            this.NodeId = nodeId;
+            this.Edges = new List<GEdge>();
+            Reset();
+        }
+
+        public void AddEdge(GEdge edge)
+        {
+            Edges.Add(edge);
+        }
+
+        public void Reset()
+        {
+            Visited = false;
+            Dist = int.MaxValue;
+        }
+
+        public override string ToString()
+        {
+            return string.Format("{0}/{1} {2} dist={3}", Item.Name, NodeId, Visited ? "V" : "", Dist);
+        }
+    }
+}