/// <summary>
/// Reverse the direction of a train by reflecting its timing points around the final one. In other words, a train which arrives at its destination at 4pm will become a train
/// which departs from that location at 4pm in the opposite direction and has its section times and dwell times unchanged.
/// </summary>
public void Reverse()
{
TimeOfDay reflectAbout = LastTrainTime?.Time;
if (reflectAbout == null)
{
return;
}
for (int i = 0; i < TrainTimes.Count; ++i)
{
TrainTimes[i].Reflect(reflectAbout, i == 0 || i == TrainTimes.Count - 1);
}
TrainTimes.Sort(new TrainLocationArrivalTimeComparer());
}
private void ReadTrainTimes(XmlReader reader)
{
reader.ReadStartElement();
do
{
reader.MoveToContent();
if (reader.NodeType == XmlNodeType.EndElement)
{
break;
}
TrainLocationTimeModel ttm = new TrainLocationTimeModel();
ttm.ReadXml(reader);
TrainTimes.Add(ttm);
} while (true);
reader.ReadEndElement();
}