void WeightedGraph_OnAddEdge(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.AlreadyExist)
{
(e.Edge as WeightedArc).Weight += currentWeigth;
}
}
void Tree_OnEdgeAdded(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
this.ArcWrappers.Remove(this.ArcWrappers.Last());
this.ArcWrappers.Add(new NamedArcWrapper(this, e.Edge as NamedArc));
}
}
void SimpleGraph_OnAddEdge(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
object u = e.Edge.Vertices[0].Value, v = e.Edge.Vertices[1].Value;
if (this[u, v] != null || u == v)
e.Status = ModificationStatus.Error;
}
}
void BiGraph_OnAddEdge(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
Arc arc = e.Edge as Arc;
if ((firstPart.Exists(v => v.Value.Equals(arc.Head.Value)) && firstPart.Exists(v => v.Value.Equals(arc.Tail.Value)))
|| (secondPart.Exists(v => v.Value.Equals(arc.Head.Value)) && secondPart.Exists(v => v.Value.Equals(arc.Tail.Value))))
{
e.Status = ModificationStatus.Error;
}
}
}
void sGraph_OnEdgeAdded(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
WFArcWrapper last = this.ArcWrappers.Last() as WFArcWrapper;
this.ArcWrappers.Add(new RelationArcWrapper(this, e.Edge as RelationArc) { Points = last.Points });
this.ArcWrappers.Remove(last);
}
}
void DirectedGraph_OnRemoveEdge(object sender, EdgesModifiedEventArgs e)
{
DirectedGraph graph = sender as DirectedGraph;
Arc arc = e.Edge as Arc;
if (e.Status == ModificationStatus.Successful)
{
arc = graph.GetEdge(edge => (edge as Arc).Head.Value == e.v && (edge as Arc).Tail.Value == e.u) as Arc;
if (arc == null)
e.Status = ModificationStatus.NotExist;
}
}
void DirectedGraph_OnAddEdge(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
if (this[e.u, e.v] != null)
{
e.Status = ModificationStatus.AlreadyExist;
e.Edge = this[e.u, e.v];
}
}
}
void graph_OnEdgeRemoved(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
ArcWrappers.RemoveAll(a => a.EqualsEdges(e.Edge));
}
}
void graph_OnEdgeAdded(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
ArcWrappers.Add(new WFArcWrapper(this, e.Edge) { Points = currentPoints });
}
}
private void Graph_OnEdgeAdded(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
WFArcWrapper last = this.ArcWrappers.Last() as WFArcWrapper;
this.ArcWrappers.Add(new ColouredArcWrapper(this, e.Edge as ColouredArc) { Points = this.currentPoints });
this.ArcWrappers.Remove(last);
}
}
void graph_OnAddEdge(object sender, EdgesModifiedEventArgs e)
{
if (e.Status == ModificationStatus.Successful)
{
// block loops
if (e.u.Equals(e.v))
{
e.Status = ModificationStatus.AlreadyExist;
return;
}
// invalid id
if (this.GetRelationDefinition(this._currentArcId) == null)
{
e.Status = ModificationStatus.InvalidParameters;
return;
}
}
}
public void RemoveEdge(object u, object v)
{
IEdge edge = edges.Find(e =>
(e.Vertices[0].Value.Equals(u) && e.Vertices[1].Value.Equals(v)) ||
(e.Vertices[1].Value.Equals(u) && e.Vertices[0].Value.Equals(v)));
ModificationStatus status = edge != null ? ModificationStatus.Successful : ModificationStatus.NotExist;
EdgesModifiedEventArgs eArgs = new EdgesModifiedEventArgs(status, edge, u, v);
if (OnRemoveEdge!= null)
OnRemoveEdge(this, eArgs);
if (eArgs.Status == ModificationStatus.Successful)
edges.Remove(eArgs.Edge as Edge);
if (OnEdgeRemoved != null)
OnEdgeRemoved(this, eArgs);
}
public void AddEdge(object u, object v)
{
ModificationStatus status = ModificationStatus.Successful;
if (!(vertices.Exists(vert => vert.Value.Equals(v)) && vertices.Exists(vert => vert.Value.Equals(u))))
status = ModificationStatus.InvalidParameters;
IEdge edge = this.CreateEdge(u, v);
EdgesModifiedEventArgs e = new EdgesModifiedEventArgs(status, edge, u, v);
if (OnAddEdge != null)
OnAddEdge(this, e);
if (e.Status == ModificationStatus.Successful)
edges.Add(e.Edge);
if (OnEdgeAdded != null)
OnEdgeAdded(this, e);
}
