public override void ArrangeChildrenPosition()
{
var head = ChildrenNode.FirstOrDefault(i => i.IsHead());
int index = 0;
double step = 0;
while (head != null)
{
head.X = X + 16;
head.Y = MiddleUpperY + step;
step += head.Height + 8.8;
head = head.Next;
}
}
public override void UpdateMiddleSpace()
{
if (State == Observer.State.ShapeState.Expand)
{
State = Observer.State.ShapeState.Balance;
}
if (ChildrenNode.Count == 0)
{
MiddleSpace = 20;
Parent?.UpdateMiddleSpace();
return;
}
var head = ChildrenNode.FirstOrDefault(i => i.IsHead());
if (head != null)
{
MiddleSpace = head.VirtualHeight + 8.8 * head.Count - 8.8;
}
// ReSharper disable once PossibleInvalidOperationException
}
