private void btnShowPassengers_Click(object sender, EventArgs e)
{
//display all passenger in lookup form
frmPassengerLookup form = new frmPassengerLookup("view");
form.ShowDialog();
//must open it in viewOnly mode
}
private void btnDeletePessenger_Click(object sender, EventArgs e)
{
//enter name and validate it
var name = txtName.Text.Trim();
if (name == "")
{
MessageBox.Show("Please enter passenger's name", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//if valid input, create passenger that matches the name of passenger to be deleted
// search for passenger to delete
var passenger = new Passenger(name);
foundPassengers = passenger.GetPassengersByName(name);
//check if no passenger is found
if (foundPassengers.Count() == 0)
{
MessageBox.Show("Passenger " + name + " does not exist", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//if passenger exists, open lookup form and display name there
frmPassengerLookup form = new frmPassengerLookup("delete");
form.ShowDialog();
//if user canceleed operation we just return; otherwise we procced to delete passanger
if (form.isOperationCancelled)
{
return;
}
//assign the passenger object to be deleted and populate the text boxes with the details
passenger = form.passenger;
txtName.Text = passenger.Name;
mtbSeatRow.Text = passenger.SeatRow.ToString();
mtbSeatCol.Text = passenger.SeatColumn;
//ask user to confirm deletion
var msg = MessageBox.Show("Delete Passenger?", "Delete",
MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
//if deletes is true
if (msg == DialogResult.Yes)
{
//delete passenger from list
passenger.RemovePassenger(passenger);
//check if anyone is on waitng list and move the first passenger from wait list
if (passenger.NumberOfSeatedPassengers() == 39 && passenger.NumberOfWaitingPassengers() > 0)
{
var index = passengers.FindIndex(p => p.IsOnWaitingList == true);
passengers[index].SeatRow = Convert.ToInt32(mtbSeatRow.Text);
passengers[index].SeatColumn = mtbSeatCol.Text;
//remove that passenger from the waiting list
passengers[index].IsOnWaitingList = false;
//display massege that we are removed passenger from the lsit
MessageBox.Show("Passenger " + txtName.Text + " was removed from the list" + Environment.NewLine +
passengers[index].Name + " was moved from the waiting list to seat " +
mtbSeatRow.Text + mtbSeatCol.Text, "Passengers Removed/Moved", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
//clear form and upade the seating chart
ClearForm();
PopulateAirplane();
}
}
