private bool RecalculateRowIndex(Event e)
{
if (e.Visibility == Visibility.Hidden) return false;
bool bOccupationFound = false;
for (; e.Row <= 2 && IsSpanOccupiedByOthers(e, e.Row); e.Row++)
{
bOccupationFound = true;
}
return bOccupationFound;
}
private bool ResetRowIndex(Event e)
{
if (e.Visibility == Visibility.Hidden) return false;
bool bOccupationFound = false;
for (; (e.Row - 1) >= 0 && !IsSpanOccupiedByOthers(e, e.Row - 1); e.Row--)
{
bOccupationFound = true;
}
return bOccupationFound;
}
private bool IsSpanOccupiedByOthers(Event me, int row)
{
var occupyingEvents = from e in Events
where !ReferenceEquals(e, me)
where (e.Visibility == Visibility.Visible) && (e.Row == row) && ((e.From >= me.From & e.From <= me.Till) | (e.Till >= me.From & e.Till <= me.Till))
select e;
return (occupyingEvents.Count() > 0);
}