private void panel1_MouseUp(object sender, MouseEventArgs e)
{
undo = new UndoClass(new List<int[]>(edges), new Dictionary<string, int>(points), new Dictionary<int, string>(reverse_points));
finishpointx = e.X;
finishpointy = e.Y;
b[0] = finishpointx / 20;
b[1] = finishpointy/20;
counter++;
string key = String.Format("{0}, {1}", b[0], b[1]);
if (!points.ContainsKey(key) && checkBox1.Checked)
{
MessageBox.Show("Setting is 'don't create new vertices' - can't draw new vertex");
return;
}
formGraphics.DrawLine(myPen, startpointx, startpointy, finishpointx, finishpointy);
points_count++;
string beginkey = String.Format("{0}, {1}", a[0], a[1]);
string key2 = String.Format("{0}, {1}", finishpointx, finishpointy);
if (!points.ContainsKey(key))
{
points.Add(key, points_count);
reverse_points.Add(points_count, key2);
formGraphics.DrawEllipse(myPen, finishpointx - 8, finishpointy - 8, 16, 16);
formGraphics.FillEllipse(myBrush, finishpointx - 8, finishpointy - 8, 16, 16);
}
int[] edg = { points[beginkey], points[key] };
edges.Add(edg);
button7.Enabled = true;
}
private void Undo()
{
UndoClass undo2 = new UndoClass(new List<int[]>(edges), new Dictionary<string, int>(points), new Dictionary<int, string>(reverse_points));
points = undo.points;
edges = undo.edges;
reverse_points = undo.reverse_points;
Redraw();
undo = undo2;
}
private void panel1_Click(object sender, MouseEventArgs e)
{
undo = new UndoClass(new List<int[]>(edges), new Dictionary<string, int>(points), new Dictionary<int,string>(reverse_points));
startpointx = e.X;
startpointy = e.Y;
a[0] = startpointx / 20;
a[1] = startpointy/20;
counter++;
points_count++;
string key = String.Format("{0}, {1}", a[0], a[1]);
string key2 = String.Format("{0}, {1}", startpointx, startpointy);
if (!points.ContainsKey(key))
{
if (!(counter > 1))
{
formGraphics.DrawEllipse(myPen, startpointx - 8, startpointy - 8, 16, 16);
formGraphics.FillEllipse(myBrush, startpointx - 8, startpointy - 8, 16, 16);
points.Add(key, points_count);
reverse_points.Add(points_count, key2);
}
else
{
MessageBox.Show("Graph must be coherent!");
}
}
// }
}