public static Graph CreateDrawingGraph(GeometryGraph gg)
{
counter = 0;
localMap = new Dictionary<GeometryNode,Node>();
dg = new Graph(counter++.ToString()) { GeometryGraph = gg };
foreach (GeometryNode n in gg.Nodes)
{
Node node = new Node(counter++.ToString());
node.Attr.Shape = Shape.Ellipse;
node.GeometryNode = n;
dg.AddNode(node);
localMap[n]=node;
}
Subgraph cluster = new Subgraph(counter++.ToString());
cluster.GeometryNode = gg.RootCluster;
dg.RootSubgraph = cluster;
PopulateClusters(cluster, gg.RootCluster);
foreach (GeometryEdge e in gg.Edges)
{
Edge edge = new Edge(localMap[e.Source], localMap[e.Target], ConnectionToGraph.Disconnected);
edge.Attr.ArrowheadAtSource = e.ArrowheadAtSource ? ArrowStyle.Normal : ArrowStyle.None;
edge.Attr.ArrowheadAtTarget = e.ArrowheadAtTarget ? ArrowStyle.Normal : ArrowStyle.None;
edge.GeometryEdge = e;
dg.AddPrecalculatedEdge(edge);
}
//PopulateClusterEdges(dg.RootSubgraph, gg.RootCluster);
return dg;
}
static void ProcessLine(Graph graph, string str) {
if (String.IsNullOrEmpty(str))
return;
if (str[0] == '*') return;
var arrayStr = str.Split(new []{' '},StringSplitOptions.RemoveEmptyEntries).ToArray();
if (arrayStr.Length == 0)
return;
var source = graph.AddNode(arrayStr[0]);
for (int i = 1; i < arrayStr.Length; i++) {
var e = new Edge(source, graph.AddNode(arrayStr[i]), ConnectionToGraph.Connected);
graph.AddPrecalculatedEdge(e);
}
}
private void ReadEdge()
{
CheckToken(Tokens.Edge);
XmlRead();
object userData = null;
if (TokenIs(Tokens.UserData))
{
userData = ReadUserData();
}
string srcId = ReadStringElement(Tokens.SourceNodeID);
string targetId = ReadStringElement(Tokens.TargetNodeID);
Edge edge = null;
try
{
// Only try reading to ensure backward compatibility with older MSAGL file formates
string edgeTypeName = ReadEdgeType();
Type edgeTpye = GetTypeByName(edgeTypeName);
Node srcNode = graph.FindNode(srcId);
Node targetNode = graph.FindNode(targetId);
edge = (Edge)Activator.CreateInstance(edgeTpye, new object[] { srcNode, targetNode });
graph.AddPrecalculatedEdge(edge);
}
catch
{
edge = graph.AddEdge(srcId, targetId);
}
try
{
// Only try reading to ensure backward compatibility with older MSAGL file formates
edge.IsVisible = ReadVisibility();
}
catch
{
edge.IsVisible = true;
}
edge.Attr = new EdgeAttr();
edge.UserData = userData;
ReadEdgeAttr(edge.Attr);
ReadLabel(edge);
EdgeList.Add(edge);
ReadEndElement();
}
