private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
var graph = graphCanvas1.graph;
treeView1.Nodes.Clear();
graphCanvas1.Clear();
var xdoc = XDocument.Load(openFileDialog1.FileName);
var xgraph = xdoc.Element("graph");
foreach (var smt in xgraph.Element("sommets").Elements())
{
Sommet sommet = new Sommet(smt.Attribute("text").Value, Color.White,
new Point(int.Parse(smt.Attribute("X").Value),
int.Parse(smt.Attribute("Y").Value)));
graph.Add(sommet);
}
foreach (var arc in xgraph.Element("arcs").Elements())
{
string s1 = arc.Attribute("s1").Value;
string s2 = arc.Attribute("s2").Value;
Sommet sm1 = graph.Find(x => x.text == s1);
Sommet sm2 = graph.Find(x => x.text == s2);
sm1.AddArc(sm2);
}
graphCanvas1.Invalidate();
}
}
private void graphCanvas1_MouseClick(object sender, MouseEventArgs e)
{
switch (mode)
{
case Mode.Move:
break;
case Mode.Add:
Sommet sm = new Sommet("X" + (graphCanvas1.graph.Count + 1), Color.White, e.Location);
graphCanvas1.graph.Add(sm);
break;
case Mode.Remove:
Sommet clicked = graphCanvas1.GetAt(e.Location);
if (clicked != null)
{
while (clicked.succ.Count > 0)
{
clicked.RemoveArc(clicked.succ[0]);
}
while (clicked.pred.Count > 0)
{
clicked.RemoveArc(clicked.pred[0]);
}
graphCanvas1.graph.Remove(clicked);
}
break;
case Mode.Link:
clicked = graphCanvas1.GetAt(e.Location);
if (sel1 == null)
{
sel1 = clicked;
}
else
{
sel1.AddArc(clicked);
sel1 = null;
}
break;
case Mode.Unlink:
clicked = graphCanvas1.GetAt(e.Location);
if (sel1 == null)
{
sel1 = clicked;
}
else
{
sel1.RemoveArc(clicked);
sel1 = null;
}
break;
default:
break;
}
graphCanvas1.Invalidate();
}
