/// <summary>
/// Tries to slide the transition up following the transition arrow to avoid any collision
/// with the already allocated bounding boxes
/// </summary>
/// <param name="transition"></param>
/// <param name="center"></param>
/// <returns></returns>
private Point Slide(TransitionControl transition, Point center, TransitionControl.SlideDirection direction)
{
Point retVal = center;
Rectangle colliding = AllocatedBoxes.Intersects(transition.getTextBoundingBox(retVal));
while (colliding != Rectangle.Empty)
{
retVal = transition.Slide(retVal, colliding, direction);
colliding = AllocatedBoxes.Intersects(transition.getTextBoundingBox(retVal));
}
return(retVal);
}
/// <summary>
/// Tries to slide the arrow up following the arrow to avoid any collision
/// with the already allocated bounding boxes
/// </summary>
/// <param name="allocatedBoxes">The boxes that already have been allocated</param>
/// <param name="arrow">The arrow to consider</param>
/// <param name="direction">Indicates whether the sliding should be done upward or downard the arrow orientation</param>
/// <returns></returns>
private Point Slide(BoxAllocation allocatedBoxes, ArrowControl <TEnclosing, TBoxModel, TArrowModel> arrow, SlideDirection direction)
{
Point retVal = arrow.GetCenter();
Rectangle colliding = allocatedBoxes.Intersects(arrow.GetTextBoundingBox(retVal));
while (colliding != Rectangle.Empty)
{
retVal = arrow.Slide(retVal, colliding, direction);
colliding = allocatedBoxes.Intersects(arrow.GetTextBoundingBox(retVal));
}
return(retVal);
}