added File Name to Graph

Author: SpocWeb

src/QuikGraph/Structures/Graphs/UndirectedGraph.cs

@@ -59,9 +59,7 @@ public UndirectedGraph(bool allowParallelEdges)
             AllowParallelEdges = allowParallelEdges;
         }
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="UndirectedGraph{TVertex,TEdge}"/> class.
-        /// </summary>
+        /// <summary> Initializes a new instance of the <see cref="UndirectedGraph{TVertex,TEdge}"/> class. </summary>
         /// <param name="allowParallelEdges">Indicates if parallel edges are allowed.</param>
         /// <param name="edgeEqualityComparer">Equality comparer to use to compare edges.</param>
         /// <exception cref="T:System.ArgumentNullException"><paramref name="edgeEqualityComparer"/> is <see langword="null"/>.</exception>
@@ -187,6 +185,12 @@ public bool ContainsVertex(TVertex vertex)
         /// <inheritdoc />
         public IEnumerable<TEdge> Edges => _edges.AsEnumerable();
 
+        /// <summary> Optional Id for this Graph </summary>
+        public string Id { get; set; }
+
+        /// <inheritdoc />
+        public override string ToString() => GetType().Name + ": " + Id;
+
         /// <inheritdoc />
         public bool ContainsEdge(TEdge edge)
         {

tests/QuikGraph.Serialization.Tests.CommonInternals/TestGraphFactory.cs

@@ -85,6 +85,7 @@ public static UndirectedGraph<string, Edge<string>> LoadUndirectedGraph([NotNull
             AdjacencyGraph<string, Edge<string>> graph = LoadGraph(graphMLFilePath);
             var undirectedGraph = new UndirectedGraph<string, Edge<string>>();
             undirectedGraph.AddVerticesAndEdgeRange(graph.Edges);
+            undirectedGraph.Id = Path.GetFileNameWithoutExtension(graphMLFilePath);
             return undirectedGraph;
         }
 

tests/QuikGraph.Tests/GraphML/g.10.12.graphml

@@ -1,27 +1,26 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- This file was written by the internal XML-Handler of Y-Files.-->
 <!DOCTYPE graphml SYSTEM "http://www.graphdrawing.org/dtds/graphml.dtd">
+<?xml-stylesheet type="text/xsl" href="D:\_\_Matthias\Code\XSL\_graph\GraphMl2Mermaid.xslt"?>
 <graphml>
-<graph id="G">
-<node id="n0"/>
-<node id="n1"/>
-<node id="n2"/>
-<node id="n3"/>
-<node id="n4"/>
-<node id="n5"/>
-<node id="n6"/>
-<node id="n7"/>
-<node id="n8"/>
-<node id="n9"/>
-<edge id="e0" source="n5" target="n0"/>
-<edge id="e1" source="n4" target="n5"/>
-<edge id="e2" source="n4" target="n6"/>
-<edge id="e3" source="n6" target="n2"/>
-<edge id="e4" source="n2" target="n3"/>
-<edge id="e5" source="n3" target="n1"/>
-<edge id="e6" source="n9" target="n2"/>
-<edge id="e7" source="n7" target="n8"/>
-<edge id="e8" source="n7" target="n9"/>
-<edge id="e9" source="n8" target="n0"/>
-</graph>
-</graphml>
+	<graph id="G">
+		<node id="n0"/>
+		<node id="n1"/>
+		<node id="n2"/>
+		<node id="n3"/>
+		<node id="n4"/>
+		<node id="n5"/>
+		<node id="n6"/>
+		<node id="n7"/>
+		<node id="n8"/>
+		<node id="n9"/>
+		<edge id="e0" source="n5" target="n0"/>
+		<edge id="e1" source="n4" target="n5"/>
+		<edge id="e2" source="n4" target="n6"/>
+		<edge id="e3" source="n6" target="n2"/>
+		<edge id="e4" source="n2" target="n3"/>
+		<edge id="e5" source="n3" target="n1"/>
+		<edge id="e6" source="n9" target="n2"/>
+		<edge id="e7" source="n7" target="n8"/>
+		<edge id="e8" source="n7" target="n9"/>
+		<edge id="e9" source="n8" target="n0"/>
+	</graph>
+</graphml>