/// <summary>
/// Returns the <see cref="SwimlaneDescriptor.ComputedLaneIndex"/> for <paramref name="node"/>.
/// </summary>
private static int GetLaneId(Node node, ILayoutDataProvider ldp)
{
var nodeData = ldp.GetNodeData(node);
SwimlaneDescriptor laneDesc = nodeData != null ? nodeData.SwimLaneDescriptor : null;
return(laneDesc != null ? laneDesc.ComputedLaneIndex : -1);
}
public static void Main()
{
DefaultLayoutGraph graph = new DefaultLayoutGraph();
//construct graph. assign sizes to nodes
Node v1 = graph.CreateNode();
graph.SetSize(v1, 30, 30);
Node v2 = graph.CreateNode();
graph.SetSize(v2, 30, 30);
Node v3 = graph.CreateNode();
graph.SetSize(v3, 30, 30);
Node v4 = graph.CreateNode();
graph.SetSize(v4, 30, 30);
// create some edges...
Edge e1 = graph.CreateEdge(v1, v2);
Edge e2 = graph.CreateEdge(v1, v3);
Edge e3 = graph.CreateEdge(v2, v4);
// create swim lane descriptors for two lanes
var sl1 = new SwimlaneDescriptor(1);
var sl2 = new SwimlaneDescriptor(2);
// create a map to store the swim lane descriptors
INodeMap slMap = graph.CreateNodeMap();
// assign nodes to lanes
slMap.Set(v1, sl1);
slMap.Set(v2, sl2);
slMap.Set(v3, sl2);
slMap.Set(v4, sl1);
// register the information
graph.AddDataProvider(HierarchicLayout.SwimlaneDescriptorDpKey, slMap);
// create the layout algorithm
HierarchicLayout layout = new HierarchicLayout();
// start the layout
new BufferedLayout(layout).ApplyLayout(graph);
Console.WriteLine("\n\nGRAPH LAID OUT HIERARCHICALLY IN SWIMLANES");
Console.WriteLine("v1 center position = " + graph.GetCenter(v1));
Console.WriteLine("v2 center position = " + graph.GetCenter(v2));
Console.WriteLine("v3 center position = " + graph.GetCenter(v3));
Console.WriteLine("v4 center position = " + graph.GetCenter(v4));
Console.WriteLine("e1 path = " + graph.GetPath(e1));
Console.WriteLine("e2 path = " + graph.GetPath(e2));
Console.WriteLine("e3 path = " + graph.GetPath(e3));
Console.WriteLine("SwimLane 1 index = " + sl1.ComputedLaneIndex);
Console.WriteLine("SwimLane 1 position = " + sl1.ComputedLanePosition);
Console.WriteLine("SwimLane 1 width = " + sl1.ComputedLaneWidth);
Console.WriteLine("SwimLane 2 index = " + sl2.ComputedLaneIndex);
Console.WriteLine("SwimLane 2 position = " + sl2.ComputedLanePosition);
Console.WriteLine("SwimLane 2 width = " + sl2.ComputedLaneWidth);
//clean up data maps
graph.DisposeNodeMap(slMap);
graph.RemoveDataProvider(HierarchicLayout.SwimlaneDescriptorDpKey);
//display the graph in a simple viewer
var viewer = new GraphViewer();
viewer.AddLayoutGraph(graph, "Swimlane Demo");
var application = new System.Windows.Application();
application.Run(viewer);
}
