/// <summary>
/// Copy the node to another root graph.
/// Copies the attributes as well, as far as the attributes have been
/// introduced in the destination graph.
/// </summary>
public Node CopyToOtherRoot(RootGraph destination)
{
Node result = destination.GetOrAddNode(GetName());
_ = CopyAttributesTo(result);
return(result);
}
public void CloneInto(RootGraph target)
{
// Copy all nodes and edges
foreach (var node in Nodes())
{
string nodename = node.GetName();
Node newnode = target.GetOrAddNode(nodename);
foreach (var edge in node.EdgesOut(this))
{
Node head = edge.Head();
Debug.Assert(Contains(head));
Node tail = edge.Tail();
Debug.Assert(node.Equals(tail));
string headname = head.GetName();
Node newhead = target.GetOrAddNode(headname);
string tailname = tail.GetName();
Node newtail = target.GetNode(tailname);
string edgename = edge.GetName();
Edge newedge = target.GetOrAddEdge(newtail, newhead, edgename);
edge.CopyAttributesTo(newedge);
}
node.CopyAttributesTo(newnode);
}
// Copy all subgraphs
foreach (var subgraph in Descendants())
{
string subgraphname = subgraph.GetName();
Graph parent = subgraph.Parent();
Graph newparent;
if (parent.Equals(this))
{
newparent = target;
}
else
{
string parentname = parent.GetName();
newparent = target.GetDescendantByName(parentname);
Debug.Assert(newparent != null);
}
SubGraph newsubgraph = newparent.GetOrAddSubgraph(subgraphname);
subgraph.CopyAttributesTo(newsubgraph);
// Add the (already created) nodes and edges to newly created subgraph
foreach (var node in subgraph.Nodes())
{
string nodename = node.GetName();
Node newnode = target.GetNode(nodename);
Debug.Assert(newnode != null);
newsubgraph.AddExisting(newnode);
foreach (var edge in node.EdgesOut(subgraph))
{
Node head = edge.Head();
Node tail = edge.Tail();
Debug.Assert(node.Equals(tail));
string headname = head.GetName();
Node newhead = target.GetNode(headname);
string tailname = tail.GetName();
Node newtail = target.GetNode(tailname);
string edgename = edge.GetName();
Edge newedge = target.GetEdge(newtail, newhead, edgename);
newsubgraph.AddExisting(newedge);
}
node.CopyAttributesTo(newnode);
}
}
}