private void SetRuleFocus(Rule rule)
{
Rule r = rule.CloneRule();
SetViewerRule(r);
}
public static void ReplaceNodesWithARule(Graph graph, Rule rule, Match match)
{
List <Node> newNodes = new List <Node>();
Dictionary <string, string> rrNodes = new Dictionary <string, string>();
//remove all edges
foreach (Node node in match.Nodes.Values)
{
foreach (Node node2 in match.Nodes.Values)
{
if (!Equals(node, node2))
{
for (int i = graph.EdgeCount - 1; i >= 0; i--)
{
Edge e = graph.Edges.ToArray()[i];
if (Equals(e.SourceNode, node) && Equals(e.TargetNode, node2))
{
graph.RemoveEdge(e);
}
}
}
}
}
//replace nodes
foreach (KeyValuePair <int, Node> m in match.Nodes)
{
Node rrNode = rule.RightSide.GetNodeWithRuleID(m.Key);
string newSymbol;
if (rrNode != null)
{
newSymbol = rule.RightSide.GetNodeWithRuleID(m.Key).NodeSymbol;
}
else
{
graph.RemoveNode(m.Value);
continue;
}
Node newNode = new Node(graph.GetNewID().ToString());
newNode.RuleNodeID = m.Key;
newNode.NodeSymbol = newSymbol;
graph.AddNode(newNode);
rrNodes.Add(rrNode.Id, newNode.Id);
newNodes.Add(newNode);
foreach (Edge edge in graph.Edges.ToList().Where(x => Equals(x.TargetNode.Id, m.Value.Id)))
{
graph.AddEdge(edge.SourceNode.Id, edge.SourceNode.NodeSymbol + newNode.NodeSymbol, newNode.Id);
}
foreach (Edge edge in graph.Edges.ToList().Where(x => Equals(x.SourceNode.Id, m.Value.Id)))
{
graph.AddEdge(newNode.Id, newNode.NodeSymbol + edge.TargetNode.NodeSymbol, edge.TargetNode.Id);
}
graph.RemoveNode(graph.Nodes.FirstOrDefault(x => x.Id == m.Value.Id));
}
foreach (Node node in rule.RightSide.Nodes.ToList().Where(x => x.RuleNodeID == -1))
{
Node newNode = new Node(graph.GetNewID().ToString());
newNode.RuleNodeID = -1;
newNode.NodeSymbol = node.NodeSymbol;
graph.AddNode(newNode);
rrNodes.Add(node.Id, newNode.Id);
newNodes.Add(newNode);
}
//copy edges
foreach (Edge e in rule.RightSide.Edges)
{
Node n1 = graph.GetNode(rrNodes[e.SourceNode.Id]);
Node n2 = graph.GetNode(rrNodes[e.TargetNode.Id]);
graph.AddEdge(n1.Id, n1.NodeSymbol + n2.NodeSymbol, n2.Id);
}
//remove marks
foreach (Node newNode in newNodes)
{
newNode.RuleNodeID = -1;
}
}