/// <summary>
/// Compiles a edge to Tikz format
/// </summary>
/// <param name="edge">The edge to compile</param>
/// <returns>Returns the current edge as a string in Tikz format</returns>
public string CompileEdge(ITikzEdge edge)
{
if (edge is null)
{
throw new ArgumentNullException(nameof(edge));
}
var textDirection = edge.TextDirection == Direction.None
? string.Empty
: edge.TextDirection.ToString().ToLowerInvariant();
var edgeArgs = new[] { textDirection }.Where(x => !string.IsNullOrWhiteSpace(x));
var label = edge.TextMode == TextMode.MathText ? @$ " {{${edge.Label}$}}" : @$ " {{{edge.Label}}}";
label = edge.Label == string.Empty ? string.Empty : label;
var xShift = edge.XShift != 0 ? $"xshift={edge.XShift}mm" : string.Empty;
var yShift = edge.YShift != 0 ? $"yshift={edge.YShift}mm" : string.Empty;
var nodeArgs = new[] { xShift, yShift }.Where(x => !string.IsNullOrWhiteSpace(x));
var node = $" node[{string.Join(", ", nodeArgs)}]";
return(@$ "([0]) edge[{string.Join(", ", edgeArgs)}]{node}{label} ([1])");
}
/// <summary>
/// Adds a new edge associated with a source and target node
/// </summary>
/// <param name="edge">The edge object</param>
/// <param name="source">The source node</param>
/// <param name="target">The target node</param>
public void AddEdge(ITikzEdge edge, ITikzNode source, ITikzNode target)
{
_edgeAssociations.Add(new EdgeAssociation(edge, source, target));
}
