private void drawAreaBox_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
switch (clickMode)
{
case ClickMode.ChoosingRectanglePoints:
polygonsContainer.BuildNextPolygonPart(e.X, e.Y);
break;
case ClickMode.MovingElement:
polygonsContainer.StartMovingElementFrom(e.X, e.Y);
break;
}
}
else if (e.Button == MouseButtons.Right)
{
var resVertice = polygonsContainer.StartVerticeDeleting(e.X, e.Y);
if (resVertice)
{
ShowVerticeContextMenu(e.X, e.Y);
return;
}
var resEdge = polygonsContainer.StartAddingEdgeConstraintOrVertice(e.X, e.Y);
if (resEdge.isEdgeUnderHit)
{
ShowEdgeContextMenu(resEdge.constraint, e.X, e.Y);
return;
}
var resPolygon = polygonsContainer.StartPolygonDeleting(e.X, e.Y);
if (resPolygon)
{
ShowPolygonContextMenu(e.X, e.Y);
}
}
}
