private void Field_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if ((cursor.IsChecked == true))
{
List <Vertex> vertices = new List <Vertex> {
new Vertex("школа", 150, 100), new Vertex("дом", 100, 60)
};
//List<Edge> edges = new List<Edge> { new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0],
// vertices[1]),new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]),
// new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[0], vertices[1]), new Edge("d", vertices[1], vertices[2]),new Edge("d", vertices[2], vertices[2]),new Edge("d", vertices[2], vertices[1]) };
List <Edge> edges = new List <Edge> {
new Edge("f", vertices[0], vertices[1]), new Edge("f", vertices[0], vertices[1]), new Edge("f", vertices[0], vertices[1])
};
DrawGraph drgr = new DrawGraph(field, new Graph(vertices, edges));
drgr.Draw();
//Vertex vertex = new Vertex("ee", 350, 150);
//Vertex vertex2 = new Vertex("lol", 550, 250);
//List<Vertex> vertices = new List<Vertex> { vertex, vertex2 };
//List<Edge> edges = new List<Edge> { new Edge("d", vertex, vertex), new Edge("d", vertex2, vertex2), new Edge("t", vertex, vertex2) };
//DrawGraph dr = new DrawGraph(field, new Graph(vertices, edges));
//dr.Draw();
}
else if (vertex.IsChecked == true)
{
Ellipse el = EllipseFab.GetEllipse(new Point(e.GetPosition(field).X, e.GetPosition(field).Y), new Point(0, 0), Brushes.Red, "uu");
el.MouseDown += new MouseButtonEventHandler(Ellipse_MouseDown);
// el.MouseMove += new MouseEventHandler(mouse_Move);
// el.MouseUp += new MouseButtonEventHandler(mouse_Up);
field.Children.Add(el);
var path = BezPathFab.GetPath(new Point(e.GetPosition(field).X, e.GetPosition(field).Y), new Point((e.GetPosition(field).X + 50) / 2 + 20,
(e.GetPosition(field).Y + 100) / 2 - 50), new Point(e.GetPosition(field).X - 50, e.GetPosition(field).Y - 75), Brushes.Red, "", true);
path.MouseDown += new MouseButtonEventHandler(Path_MouseDown);
field.Children.Add(path);
//Path.
//field.Children.
//new Grid().Children.Add();
}
else if (hand.IsChecked == true)
{
}
}
// рисуй все ключи (вершины), а затем только рисуй ребра, проходя по значениям
public void Draw()
{
panel.Children.Clear();
// идем по графу и рисуем
var data = graph.GetGraph();
Vertex[] dataKeys = data.Keys.ToArray();
// рисуем вершины
foreach (var vertex in dataKeys)
{
panel.Children.Add(EllipseFab.GetEllipse(new Point(vertex.X, vertex.Y), new Point(0, 0), brush, vertex.Name));
}
// рисуем ребра
List <Edge> temp = new List <Edge>();
for (int j = 0; j < dataKeys.Length - 1; j++)
{
for (int i = j + 1; i < dataKeys.Length; i++) // к последнему нет смысла обращаться
{
foreach (var edge in data[dataKeys[j]])
{
if (edge.To == dataKeys[i]) //ReferenceEqual // сравниваем попарно (точно знаем, что from это ключ)
{
temp.Add(edge);
}
}
// в обратную сторону
foreach (var edge in data[dataKeys[i]])
{
if (edge.To == dataKeys[j])
{
temp.Add(edge);
}
}
Point middle = new Point();
for (int k = 0; k < temp.Count; k++)
{
// формируем middle точку
if (k == 0)
{
middle.X = (temp[k].To.X + temp[k].From.X) / 2;
middle.Y = (temp[k].To.Y + temp[k].From.Y) / 2;
}
else if (k % 2 != 0) // нечетные
{
middle.X = (temp[k].To.X + temp[k].From.X) / 2 - k * 15 - 10;
middle.Y = (temp[k].To.Y + temp[k].From.Y) / 2;
}
else
{
middle.X = (temp[k].To.X + temp[k].From.X) / 2 + (k - 1) * 15 + 10;
middle.Y = (temp[k].To.Y + temp[k].From.Y) / 2;
}
panel.Children.Add(BezPathFab.GetPath(new Point(temp[k].From.X, temp[k].From.Y), middle,
new Point(temp[k].To.X, temp[k].To.Y), brush, temp[k].Name, temp[k].Orient));
}
temp.Clear();
}
}
//собираем петли // можно оптимизировать
foreach (var key in data.Keys)
{
foreach (var edge in data[key])
{
if (edge.From == edge.To)
{
panel.Children.Add(BezPathFab.GetPath(new Point(edge.From.X - 15, edge.From.Y - 15), new Point(edge.To.X - 70,
edge.To.Y + 70), new Point(edge.To.X + 15, edge.To.Y + 15), brush, edge.Name, false));
break; //петля для данной вершины всегда одна
}
}
}
}