private void BtnAdd_Click(object sender, RoutedEventArgs e)
{
//adding trains to the list and doign additional checks
try
{
TrainFactory tFactory = new TrainFactory();
var aTrain = tFactory.CreateTrain(cboxTrainType.SelectedItem.ToString());
if (aTrain.GetType() == typeof(StopperTrain))
{
aTrain.TrainType = "Stoping";
}
else if (aTrain.GetType() == typeof(SleeperTrain))
{
aTrain.TrainType = "Sleeper";
}
else if (aTrain.GetType() == typeof(ExpressTrain))
{
aTrain.TrainType = "Express";
}
else
{
throw new ArgumentException("Undefined type");
}
if (txtTrainID.Text.Length == 4 && txtTrainID.Text.Any(char.IsLetter) && txtTrainID.Text.Any(char.IsDigit))
{
aTrain.ID = txtTrainID.Text;
}
else
{
throw new ArgumentException("Train ID must be 4 characters and cannot contain special characters");
}
if (checkFirstClass.IsChecked == true && (aTrain.GetType() == typeof(SleeperTrain) || aTrain.GetType() == typeof(ExpressTrain) || aTrain.GetType() == typeof(StopperTrain)))
{
aTrain.FirstClass = true;
}
else if (checkFirstClass.IsChecked == false && (aTrain.GetType() == typeof(SleeperTrain) || aTrain.GetType() == typeof(ExpressTrain) || aTrain.GetType() == typeof(StopperTrain)))
{
aTrain.FirstClass = false;
}
else
{
throw new ArgumentException("Problem arised while checking first class");
}
if (aTrain.GetType() == typeof(SleeperTrain) && checkSleeper.IsChecked == true)
{
aTrain.SleeperBerth = true;
}
else if (aTrain.GetType() == typeof(SleeperTrain) && checkSleeper.IsChecked == false)
{
aTrain.SleeperBerth = false;
}
else if (aTrain.GetType() != typeof(SleeperTrain) && checkSleeper.IsChecked == false)
{
aTrain.SleeperBerth = false;
}
else
{
throw new ArgumentException("Only train type \"Sleeper\" can have sleeperberth");
}
if (cboxDeparture.SelectedIndex == 0 && cboxDestination.SelectedIndex == 0)
{
aTrain.Departure = "Edinburgh (Waverley)";
aTrain.Destination = "London (Kings Cross)";
}
else if (cboxDeparture.SelectedIndex == 1 && cboxDestination.SelectedIndex == 1)
{
aTrain.Departure = "London (Kings Cross)";
aTrain.Destination = "Edinburgh (Waverley)";
}
else
{
throw new ArgumentException("If departure station is Edinburgh destination must be London and vice versa");
}
if (DateTime.TryParseExact(txtSetTime.Text, "HH:mm", null, System.Globalization.DateTimeStyles.None, out dtf))
{
aTrain.DepTime = txtSetTime.Text;
}
else
{
throw new ArgumentException("Time must be in 24h format separeted by \":\"");
}
if (this.dpDepartureDay.SelectedDate != null)
{
aTrain.DepartureDate = this.dpDepartureDay.Text;
}
else
{
throw new ArgumentException("Select date");
}
if (aTrain.GetType() == typeof(ExpressTrain) && (chkNewcastle.IsChecked == true || chkYork.IsChecked == true || chkDarlington.IsChecked == true || chkPeterborough.IsChecked == true))
{
throw new ArgumentException("Express trains cannot have intermediate stops");
}
else
{
if (chkNewcastle.IsChecked == true)
{
aTrain.AddStop(chkNewcastle.Content.ToString());
}
if (chkYork.IsChecked == true)
{
aTrain.AddStop(chkYork.Content.ToString());
}
if (chkDarlington.IsChecked == true)
{
aTrain.AddStop(chkDarlington.Content.ToString());
}
if (chkPeterborough.IsChecked == true)
{
aTrain.AddStop(chkPeterborough.Content.ToString());
}
}
if (trains.FreeID(aTrain.ID))
{
trains.AddTrain(aTrain);
lbTrains.Items.Add(aTrain);
MessageBox.Show("Train added!");
}
else
{
throw new ArgumentException("Train with that ID already exists");
}
}
catch (ArgumentException ex0)
{
MessageBox.Show(ex0.Message);
}
}
