private void v1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Ellipse elem = (Ellipse)sender;
if (held == null)
{
held = elem;
}
else
{
int ind1 = vertsUI.IndexOf(held);
int ind2 = vertsUI.IndexOf(elem);
if (adjMat.adjacencyMatrix[ind1][ind2] == 1)
{
held = null;
return;
}
Line line = new Line();
line.Visibility = Visibility.Visible;
line.StrokeThickness = 2;
line.Stroke = Brushes.Black;
line.X1 = held.Margin.Left + held.Width / 2;
line.Y1 = held.Margin.Top + held.Height / 2;
line.X2 = elem.Margin.Left + elem.Width / 2;
line.Y2 = elem.Margin.Top + elem.Height / 2;
mainGrid.Children.Add(line);
lines.Add(line);
adjMat.setEdge(ind1, ind2);
incMat.addEdge(ind1, ind2);
adjList.addEdge(ind1, ind2);
held = null;
}
}
