/// <summary>
/// Visit the specified node
/// </summary>
/// <param name="node">Node to visit</param>
/// <returns>Dot Statement for this node.</returns>
public IDotStatement VisitNode(Node node)
{
Require.NotNull("node", node);
var result
= new DotStatement("\"" + node.Name + "\"")
.AddAttribute(Dot.Label, node.Label);
if (node.Shape != NodeShape.None)
{
result = result.AddAttribute(Dot.NodeShape, ValueOf(node.Shape));
}
if (node.FillColor != Color.Empty)
{
result = result.AddAttribute(Dot.FillColor, ValueOf(node.FillColor))
.AddAttribute(Dot.Style, "filled");
}
if (node.FontColor != Color.Empty)
{
result = result.AddAttribute(Dot.FontColor, ValueOf(node.FontColor));
}
if (!string.IsNullOrEmpty(node.Font))
{
result = result.AddAttribute(Dot.Font, node.Font);
}
if (node.FontSize > 0)
{
result = result.AddAttribute(Dot.FontSize, node.FontSize.ToString());
}
return(result);
}
/// <summary>
/// Visit the specified edge
/// </summary>
/// <param name="edge">Edge to visit</param>
/// <returns>Dot Statement for this edge.</returns>
public IDotStatement VisitEdge(Edge edge)
{
Require.NotNull("edge", edge);
var text = string.Format("\"{0}\" -> \"{1}\"", edge.Start.Name, edge.Finish.Name);
var result
= new DotStatement(text)
.AddAttribute(Dot.ArrowHead, ValueOf(edge.ArrowHead))
.AddAttribute(Dot.ArrowTail, ValueOf(edge.ArrowTail))
.AddAttribute(Dot.Color, ValueOf(edge.Color));
if (edge.Constraining == false)
{
result = result.AddAttribute(Dot.EdgeConstraint, "false");
}
return(result);
}
