public void ConnectVertex(Vertex a, Vertex b, int weight)
{
a.Connect (b, weight);
if (VertexConnected != null)
VertexConnected (a, b);
}
public Edge(Vertex fromv, Vertex tov, int weight)
{
From = fromv;
To = tov;
Weight = weight;
_marked = false;
}
// Messages
public void AddVertex(Vertex v)
{
_vertexes.Add (v);
if (VertexAdded != null)
VertexAdded (v);
}
public void DeleteVertex(Vertex v)
{
foreach (Graphite.Core.Edge edge in v.Edges()) {
DisconnectVertex (v, edge.To);
DisconnectVertex (edge.To, v);
}
if (VertexRemoved != null)
VertexRemoved (v);
_vertexes.Remove (v);
}
// TODO: Refactoring
private Vertex buildVertexFromXmlNode(XmlElement vertexElt)
{
int id;
string alias;
if (vertexElt.HasAttribute ("id"))
id = System.Convert.ToInt32 (vertexElt.Attributes["id"].InnerText);
else
throw new Exception ("Vertex node does not have ID attribute!");
if (vertexElt.HasAttribute ("shape"))
alias = vertexElt.Attributes ["shape"].InnerText;
else
throw new Exception ("Vertex node does not have Shape attribute!");
System.Xml.XmlNode positionNode = vertexElt.GetElementsByTagName ("position")[0];
Vertex vertex = new Vertex (id, buildPositionFromXmlNode (positionNode));
vertex.VertexShape = Graphite.Shapes.Manager.instance().FromAlias (alias);
return vertex;
}
public void MoveVertex(Vertex v, Point pt)
{
v.Position = pt;
if (LayoutUpdated != null)
LayoutUpdated ();
}
public void DisconnectVertex(Vertex a, Vertex b)
{
a.Disconnect (b);
if (VertexDisconnected != null)
VertexDisconnected (a, b);
}
public bool Connected(Vertex v)
{
return To == v;
}
public void Disconnect(Vertex v)
{
Edge e = _edges.First (x => x.Connected (v));
_edges.Remove (e);
}
public bool Connected(Vertex v)
{
return _edges.Any (x => x.Connected (v));
}
public void Connect(Vertex v, int weight = 0)
{
if (!Connected (v))
_edges.Add (new Edge (this, v, weight));
}