|
public SetSelected ( IEnumerable |
||
| vertices | IEnumerable |
|
| edges | IEnumerable |
|
| return | void | |
SelectSubgraphs
(
NodeXLControl nodeXLControl,
IEnumerable<IVertex> verticesToSelectSubgraphsFor,
Decimal levels,
Boolean selectConnectingEdges
)
{
Debug.Assert(nodeXLControl != null);
Debug.Assert(verticesToSelectSubgraphsFor != null);
Debug.Assert(levels >= 0);
Debug.Assert(Decimal.Remainder(levels, 0.5M) == 0M);
// Create HashSets for all of the vertices and edges that will be
// selected. The key is the IVertex or IEdge. HashSets are used to
// prevent the same vertex or edge from being selected twice.
HashSet<IVertex> oAllSelectedVertices = new HashSet<IVertex>();
HashSet<IEdge> oAllSelectedEdges = new HashSet<IEdge>();
foreach (IVertex oVertexToSelectSubgraphFor in
verticesToSelectSubgraphsFor)
{
// These are similar collections for the vertices and edges that
// will be selected for this subgraph only.
Dictionary<IVertex, Int32> oThisSubgraphSelectedVertices;
HashSet<IEdge> oThisSubgraphSelectedEdges;
SubgraphCalculator.GetSubgraph(oVertexToSelectSubgraphFor, levels,
selectConnectingEdges, out oThisSubgraphSelectedVertices,
out oThisSubgraphSelectedEdges);
// Consolidate the subgraph's selected vertices and edges into the
// "all" dictionaries.
foreach (IVertex oVertex in oThisSubgraphSelectedVertices.Keys)
{
oAllSelectedVertices.Add(oVertex);
}
foreach (IEdge oEdge in oThisSubgraphSelectedEdges)
{
oAllSelectedEdges.Add(oEdge);
}
}
// Replace the selection.
nodeXLControl.SetSelected(oAllSelectedVertices, oAllSelectedEdges);
}
