public bool Replace(ElementContainer _Container)
{
if (_Container == null)
{
return(false);
}
int sourceIndex = m_Containers.IndexOf(_Container);
int targetIndex = sourceIndex;
if (sourceIndex < 0)
{
return(false);
}
Rect source = _Container.GetWorldRect();
float position;
switch (m_Direction)
{
case Direction.Horizontal:
position = source.center.x;
break;
case Direction.Vertical:
position = source.center.y;
break;
default:
return(false);
}
float distance = float.MaxValue;
int index = 0;
foreach (ElementContainer container in m_Containers)
{
if (container == null || container == _Container)
{
continue;
}
Rect target = container.GetWorldRect();
float minDistance;
float maxDistance;
switch (m_Direction)
{
case Direction.Horizontal:
minDistance = Mathf.Abs(position - target.xMin);
maxDistance = Mathf.Abs(position - target.xMax);
break;
case Direction.Vertical:
minDistance = Mathf.Abs(position - target.yMax);
maxDistance = Mathf.Abs(position - target.yMin);
break;
default:
return(false);
}
if (distance > minDistance)
{
distance = minDistance;
targetIndex = index;
}
if (distance > maxDistance)
{
distance = maxDistance;
targetIndex = index + 1;
}
index++;
}
if (sourceIndex == targetIndex)
{
return(false);
}
m_Containers.RemoveAt(sourceIndex);
m_Containers.Insert(targetIndex, _Container);
return(true);
}