/// <summary>
/// Adds a CalendarItem to the running slot list
/// </summary>
/// <param name="item">CalendarItem to add</param>
/// <param name="n">Slot level to add the item to</param>
/// <returns>The added slot item</returns>
public SlotItem AddColumnSlot(CalendarItem item, int n)
{
// Add a new SlotItem list if we have exceeded
// the current list count
if (n >= _SList.Count)
_SList.Add(new List<SlotItem>());
// Determine whether this item can fit in the
// the slot list at the current level
SlotItem si = GetColumnSlot(item, n);
if (si != null)
{
// The item will fit, so add it to the list
si.AddPeerSlot(
AddColumnSlot(item, n + 1), n + 1);
}
else
{
// The item won't fit, so allocate a new slot
// item and add it to the list
si = new SlotItem(item);
_SList[n].Add(si);
// Look ahead to see it we have a peer slot
// in a future slot list
while (n + 1 < _SList.Count)
{
n++;
SlotItem ni = GetColumnSlot(item, n);
if (ni != null)
{
si.AddPeerSlot(ni, n);
break;
}
}
}
// Return the added slot item
return (si);
}
/// <summary>
/// Sets all column entry counts to the given
/// count
/// </summary>
/// <param name="si">Initial SlotItem</param>
/// <param name="count">Count</param>
private void SetColumnCount(SlotItem si, int count)
{
if (si.SList != null)
{
for (int i = 0; i < si.SList.Count; i++)
SetColumnCount(si.SList[i], count);
}
if (si.Count == 0)
si.Count = count;
}
/// <summary>
/// Adds a slot to the peer SlotItem list
/// </summary>
/// <param name="si">SlotItem to add</param>
/// <param name="column">Slot column</param>
public void AddPeerSlot(SlotItem si, int column)
{
if (si != null)
{
if (_SList == null)
_SList = new List<SlotItem>();
if (_SList.Contains(si) == false)
{
si.Column = column;
_SList.Add(si);
}
}
}
/// <summary>
/// Gets the max column count from all
/// zero level slot paths
/// </summary>
/// <param name="si">Initial SlotItem</param>
/// <param name="count">Running level count</param>
/// <returns></returns>
private int GetColumnCount(SlotItem si, int count)
{
if (si.Count > 0)
return (si.Count);
int maxCount = count;
if (si.SList != null)
{
for (int i = 0; i < si.SList.Count; i++)
{
int c = GetColumnCount(si.SList[i], count + 1);
if (c > maxCount)
maxCount = c;
}
}
return (maxCount);
}
