public int GetID(TransportUnit item)
{
/* Recommended ID's ranges:
* 1 .. 9 : Aircrafts
* 10 .. 99 : Trains, Locomotives, Passenger & Baggage Wagons
* 100 .. 999 : Cars
* 1000 .. 9999 : Mans - Drivers & Passengers
* 10000 .. : Baggages
*/
int StartID = 0;
if (item is AircraftUnit)
{
StartID = 1;
}
else if ((item is TrainUnit) || (item is LocomotiveUnit) || (item is PassengerWagonUnit) || (item is BaggageWagonUnit))
{
StartID = 10;
}
else if (item is CarUnit)
{
StartID = 100;
}
else if (item is ManUnit)
{
StartID = 1000;
}
else if (item is BaggageUnit)
{
StartID = 10000;
}
if (TUnits.Count > 0)
{
while (TUnits.Find(x => x.ID == StartID) != null)
{
StartID++;
}
}
return(StartID);
}
public bool Contains(TransportUnit item)
{
return(TUnits.Contains(item));
}
public void Add(TransportUnit item)
{
item.ID = GetID(item);
TUnits.Add(item);
}