public void graphique(MouseButtonEventArgs monEvenement, int monMode)
{
NodeGraphic monSommet;
Point monPoint = monEvenement.GetPosition(monCanvas);
//ajout d'un point
if (monMode == 2)
{
monSommet = new NodeGraphic("", monPoint.Y - 10, monPoint.X - 10, new Ellipse());
monSommet.DrawNode(monCanvas);
mesNoeud.Add(monSommet);
}
else if (monMode == 1)
{
}
//ajout d'un arc
else if (monMode == 5)
{
Ellipse monEllipse = new Ellipse();
if (booleen == false)
{
//test si l'ellipse est bien cliqué.
HitTestResult result = VisualTreeHelper.HitTest(monCanvas, monPoint);
if ((result != null) && (result.VisualHit is Ellipse))
{
monEllipse = (Ellipse)result.VisualHit;
foreach (NodeGraphic i in mesNoeud)
{
if (i.PositionX == Canvas.GetLeft(monEllipse) && i.PositionY == Canvas.GetTop(monEllipse))
{
sommetSelect = i;
}
}
booleen = true;
}
}
else
{
//test si l'ellipse est bien cliqué.
HitTestResult result = VisualTreeHelper.HitTest(monCanvas, monPoint);
if ((result != null) && (result.VisualHit is Ellipse))
{
monEllipse = (Ellipse)result.VisualHit;
foreach (NodeGraphic i in mesNoeud)
{
if (i.PositionX == Canvas.GetLeft(monEllipse) && i.PositionY == Canvas.GetTop(monEllipse))
{
ArcGraphic monArc = new ArcGraphic(0, sommetSelect, i);
monArc.DrawArc(monCanvas);
mesArcs.Add(monArc);
}
}
}
booleen = false;
}
}
else if (monMode == 4)
{
Ellipse monEllipse = new Ellipse();
//test si l'ellipse est bien cliqué.
HitTestResult result = VisualTreeHelper.HitTest(monCanvas, monPoint);
if ((result != null) && (result.VisualHit is Ellipse))
{
List<ArcGraphic> arcaSupprimer = new List<ArcGraphic>();
List<NodeGraphic> nodeaSupprimer = new List<NodeGraphic>();
monEllipse = (Ellipse)result.VisualHit;
foreach (NodeGraphic i in mesNoeud)
{
if (i.PositionX == Canvas.GetLeft(monEllipse) && i.PositionY == Canvas.GetTop(monEllipse))
{
nodeaSupprimer.Add(i);
if (mesArcs.Count != 0)
{
foreach (ArcGraphic j in mesArcs)
{
if (j.Arrivee == i || j.Origine == i)
{
arcaSupprimer.Add(j);
}
}
}
}
}
foreach (NodeGraphic i in nodeaSupprimer)
{
monCanvas.Children.Remove(i.EllipseSommet);
mesNoeud.Remove(i);
}
foreach (ArcGraphic j in arcaSupprimer)
{
monCanvas.Children.Remove(j.LigneArc);
mesArcs.Remove(j);
}
}
}
}
public ArcGraphic(Int32 coutA, NodeGraphic origineA, NodeGraphic arriveeA)
{
this.cout = coutA;
this.origine = origineA;
this.arrivee = arriveeA;
}