private bool TryComputePosition(TVertex vertex, out Point position)
{
position = default(Point);
int count = 0;
foreach (TVertex neighbor in Graph.GetNeighbors(vertex))
{
if (VerticesControls.TryGetValue(neighbor, out VertexControl neighborControl))
{
double x = GetX(neighborControl);
double y = GetY(neighborControl);
position.X += double.IsNaN(x) ? 0.0 : x;
position.Y += double.IsNaN(y) ? 0.0 : y;
++count;
}
}
if (count > 0)
{
position.X /= count;
position.Y /= count;
return(true);
}
return(false);
}
/// <inheritdoc />
public void SemiHighlightVertex(TVertex vertex, object semiHighlightInfo)
{
_semiHighlightedVertices[vertex] = semiHighlightInfo;
if (VerticesControls.TryGetValue(vertex, out VertexControl control))
{
GraphElementBehaviour.SetIsSemiHighlighted(control, true);
GraphElementBehaviour.SetSemiHighlightInfo(control, semiHighlightInfo);
}
}
/// <inheritdoc />
public void RemoveSemiHighlightFromVertex(TVertex vertex)
{
_semiHighlightedVertices.Remove(vertex);
if (VerticesControls.TryGetValue(vertex, out VertexControl control))
{
GraphElementBehaviour.SetIsSemiHighlighted(control, false);
GraphElementBehaviour.SetSemiHighlightInfo(control, null);
}
}
public VertexControl GetVertexControl([NotNull] TVertex vertex)
{
return(VerticesControls.TryGetValue(vertex, out VertexControl control)
? control
: null);
}