private void openGraph_Click(object sender, EventArgs e)
{
OpenFileDialog open = new OpenFileDialog();
open.Filter = "Text|*.txt";
open.Title = "Окрыть";
open.ShowDialog();
if (open.FileName != "")
{
StreamReader reader = new StreamReader(open.OpenFile());
string[] items = reader.ReadLine().Split(' ');
int n = int.Parse(items[0]);
int m = int.Parse(items[1]);
int maxId = int.Parse(items[2]);
graph = new Graph.Graph();
graph.MaxId = maxId;
selectButton.Checked = true;
nodeButton.Checked = false;
edgeButton.Checked = false;
weightTextbox.Enabled = false;
g.Clear(Color.White);
objects.Clear();
for (int i = 0; i < n; i++)
{
items = reader.ReadLine().Split(' ');
int id = int.Parse(items[0]);
int x = int.Parse(items[1]);
int y = int.Parse(items[2]);
Node node = graph.CreateNewNode(new Point(x, y), id);
node.Draw(g);
node.Selected += Node_Selected;
node.Deselected += Node_Deselected;
objects.Insert(0, node);
}
for (int i = 0; i < m; i++)
{
items = reader.ReadLine().Split(' ');
int u = int.Parse(items[0]);
int v = int.Parse(items[1]);
int w = int.Parse(items[2]);
Node nodeu = graph.FindNodeWithId(u);
Node nodev = graph.FindNodeWithId(v);
Edge edge = graph.CreateNewEdge(nodeu, nodev, w);
edge.Selected += Edge_Selected;
edge.Deselected += Edge_Deselected;
objects.Add(edge);
int count = graph.CountEdge(edge);
edge.Draw(g, count);
}
//UpdateMatrices();
reader.Close();
}
}
private void Node_Selected(object sender)
{
Node n = (Node)sender;
if (selectButton.Checked)
{
}
else if (edgeButton.Checked)
{
if (from == null)
{
from = n;
}
else
{
if (from == n)
{
n.Deselect();
from = null;
}
else
{
Edge edge = graph.CreateNewEdge(from, n);
edge.Selected += Edge_Selected;
edge.Deselected += Edge_Deselected;
objects.Add(edge);
from = null;
n.Deselect();
}
}
}
else if (nodeButton.Checked)
{
}
weightTextbox.Text = "";
weightTextbox.Enabled = false;
currentObj = n;
}