List <Graphs.Vertex> AddLine(List <Graphs.Vertex> vertices, List <Graphs.Edge> edges, List <Graphs.Vertex> previousLine, int n, double r)
{
var x = 0.15;
var y = 0.05;
if (previousLine != null)
{
x = previousLine[0].X + r / 2;
y = previousLine[0].Y + r * Math.Sqrt(3) / 2.0;
}
var line = new List <Graphs.Vertex>();
for (int j = 0; j < n; j++)
{
var v = new Graphs.Vertex(x + r * j, y);
vertices.Add(v);
line.Add(v);
if (j > 0)
{
edges.Add(new Graphs.Edge(v, line[j - 1]));
}
if (previousLine != null)
{
edges.Add(new Graphs.Edge(v, previousLine[j]));
if (j + 1 < n)
{
edges.Add(new Graphs.Edge(v, previousLine[j + 1]));
}
}
}
return(line);
}
private void ReleaseEdge(object sender, MouseButtonEventArgs args)
{
Contract.Assert(!args.Handled);
Contract.Assert(sender != null);
Contract.Assert(_source != null);
var vertex = sender as Vertex;
if (vertex != null)
{
String sourceName = (String)_source.GetValue(NameProperty),
sinkName = (String)vertex.GetValue(NameProperty);
if (GetValue(GraphProperty) is DirectedWeightedGraph)
{
var g = (DirectedWeightedGraph)GetValue(GraphProperty);
Graphs.Vertex source = g.Vertices.Single(v => v.Name == sourceName),
sink = g.Vertices.Single(v => v.Name == sinkName);
var e = new DirectedWeightedEdge(source, sink, 0); // нужно сделать вызов диалога задания веса
var ed = g[source, sink];
if (ed == null)
{
g.AddEdge(e);
}
else
{
g.RemoveEdge(ed);
}
}
if (GetValue(GraphProperty) is DirectedGraph)
{
var g = (DirectedGraph)GetValue(GraphProperty);
Graphs.Vertex source = g.Vertices.Single(v => v.Name == sourceName),
sink = g.Vertices.Single(v => v.Name == sinkName);
var e = new DirectedEdge(source, sink);
var ed = g[source, sink];
if (ed == null)
{
g.AddEdge(e);
}
else
{
g.RemoveEdge(ed);
}
}
if (GetValue(GraphProperty) is UndirectedGraph)
{
var g = (UndirectedGraph)GetValue(GraphProperty);
Graphs.Vertex source = g.Vertices.Single(v => v.Name == sourceName),
sink = g.Vertices.Single(v => v.Name == sinkName);
var e = new UndirectedEdge(source, sink);
var ed = g[source, sink];
if (ed == null)
{
g.AddEdge(e);
}
else
{
g.RemoveEdge(ed);
}
}
}
LayoutRoot.Children.Remove(_arrow);
_arrow = null;
LayoutRoot.MouseMove -= DirectEdge;
foreach (var v in LayoutRoot.Children)
{
v.MouseLeftButtonUp -= ReleaseEdge;
}
LayoutRoot.ReleaseMouseCapture();
}
