public AttachPoint Attach(AttachDirection direction, ConnectionViewModel connection, NodeBaseViewModel associatedControl)
{
AttachPoint attachPoint = new AttachPoint(direction, connection, associatedControl);
attachPoint.DirectionChanging += attachPoint_DirectionChanging;
AttachPoints[direction].Add(attachPoint);
UpdateAttachPoints();
return(attachPoint);
}
public void SetAttachTo(Control ctrl, AttachDirection direction)
{
if (direction == AttachDirection.Right)
{
this.setRight(ctrl);
}
else if (direction == AttachDirection.Left)
{
this.setLeft(ctrl);
}
}
Point GetPoint(AttachDirection dir, Rect rec)
{
if (dir == AttachDirection.Top)
{
return(new Point(rec.X + rec.Width / 2, rec.Y));
}
if (dir == AttachDirection.Right)
{
return(new Point(rec.X + rec.Width, rec.Y + rec.Height / 2));
}
if (dir == AttachDirection.Bottom)
{
return(new Point(rec.X + rec.Width / 2, rec.Y + rec.Height));
}
if (dir == AttachDirection.Left)
{
return(new Point(rec.X, rec.Y + rec.Height / 2));
}
throw new ArgumentException();
}
public AttachPoint Attach(AttachDirection direction, ConnectionViewModel connection, NodeBaseViewModel node)
{
return(AttachPlacement.Attach(direction, connection, node));
}
void attachPoint_DirectionChanging(AttachPoint ap, AttachDirection direction)
{
AttachPoints[ap.Side].Remove(ap);
AttachPoints[direction].Add(ap);
//UpdatePoints();
}
public AttachPoint(AttachDirection direction, ConnectionViewModel connection, NodeBaseViewModel associatedControl)
{
Side = direction;
this.Connection = connection;
this.Control = associatedControl;
}
public AttachSides(AttachDirection fromSide, AttachDirection toSide)
{
FromSide = fromSide;
ToSide = toSide;
}
public static Point GetAttachmentLocationOld(NodeBaseViewModel control, Point fromPoint, AttachDirection pos)
{
switch (pos)
{
case AttachDirection.Top:
return(new Point(fromPoint.X - control.Size.Width / 2, fromPoint.Y - control.Size.Height));
case AttachDirection.Right:
return(new Point(fromPoint.X, fromPoint.Y - (control.Size.Height / 2)));
case AttachDirection.Bottom:
return(new Point(fromPoint.X - control.Size.Width / 2, fromPoint.Y));
case AttachDirection.Left:
return(new Point(fromPoint.X - control.Size.Width, fromPoint.Y - control.Size.Height / 2));
default:
throw new ArgumentException();
}
}
