private void rerouteLine()
{
Point from = new Point(this.FromX, this.FromY);
Point to = new Point(this.ToX, this.ToY);
this.mLine.Points.Clear();
this.mLine.Points.Add(from);
if (this.FromOrientation != this.ToOrientation)
{
// Fine, we'll just do a two-piece line, then.
if (this.FromOrientation == Orientation.Horizontal)
{
this.mLine.Points.Add(new Point(to.X, from.Y));
}
else
{
this.mLine.Points.Add(new Point(from.X, to.Y));
}
}
else if (this.FromOrientation /* == ToOrientation */ == Orientation.Horizontal)
{
double mid = from.X + ((to.X - from.X) / 2);
this.mLine.Points.Add(new Point(mid, from.Y));
this.mLine.Points.Add(new Point(mid, to.Y));
}
else /* FromOrientation == ToOrientation == Orientation.Vertical */
{
double mid = from.Y + ((to.Y - from.Y) / 2);
this.mLine.Points.Add(new Point(from.X, mid));
this.mLine.Points.Add(new Point(to.X, mid));
}
this.mLine.Points.Add(to);
Vector firstSegment = from - this.mLine.Points[1];
Vector lastSegment = to - this.mLine.Points[this.mLine.Points.Count() - 2];
this.mFromAngleInDegrees = FrameworkUtilities.RadiansToDegrees(firstSegment.GetAngularCoordinate());
this.mToAngleInDegrees = FrameworkUtilities.RadiansToDegrees(lastSegment.GetAngularCoordinate());
if (this.PropertyChanged != null)
{
this.PropertyChanged(this, new PropertyChangedEventArgs("FromAngleInDegrees"));
this.PropertyChanged(this, new PropertyChangedEventArgs("ToAngleInDegrees"));
}
this.NotifySnapTargetUpdate(new SnapTargetUpdateEventArgs());
}