/// <summary>
/// Insert a placement item into the right horizontal placement item
/// </summary>
/// <param name="list">vertical placement</param>
/// <param name="p">element to place</param>
public static void Compare(LinkedList <VerticalPlacementItem> list, PlacementItem p)
{
VerticalPlacementItem input = new VerticalPlacementItem();
input.Add(new HorizontalPlacementItem(p));
LinkedListNode <VerticalPlacementItem> positiveCurrent = list.First;
LinkedListNode <VerticalPlacementItem> negativeCurrent = list.Last;
while (positiveCurrent != null && positiveCurrent != negativeCurrent)
{
if (VerticalComparer.Compare(positiveCurrent.Value, input) == 0)
{
HorizontalComparer.Compare(positiveCurrent.Value.Items, input.Items.First.Value);
break;
}
else if (VerticalComparer.Compare(negativeCurrent.Value, input) == 0)
{
HorizontalComparer.Compare(negativeCurrent.Value.Items, input.Items.First.Value);
break;
}
else if (VerticalComparer.Compare(positiveCurrent.Value, input) == 1)
{
list.AddAfter(positiveCurrent, input);
break;
}
else if (VerticalComparer.Compare(negativeCurrent.Value, input) == -1)
{
list.AddBefore(negativeCurrent, input);
break;
}
positiveCurrent = positiveCurrent.Next;
negativeCurrent = negativeCurrent.Previous;
}
if (positiveCurrent == null || positiveCurrent == negativeCurrent)
{
list.AddLast(input);
}
}
/// <summary>
/// Compare two vertical elements of placement
/// </summary>
/// <param name="x">placement item 1</param>
/// <param name="y">placement item 2</param>
/// <returns>1 or -1</returns>
public static int Compare(VerticalPlacementItem x, VerticalPlacementItem y)
{
return(y.Compare(x));
}
