private void update()
{
if (lbAirports.SelectedIndex != -1)
{
Aiport aiport = (Aiport)lbAirports.SelectedItem;
lbDestinations.Items.Clear();
foreach (Destination destination in aiport.destinations)
{
lbDestinations.Items.Add(destination);
}
if (aiport.destinations.Count >= 1)
{
Destination expensive = aiport.mostExpensiveDestination();
textBox1.Text = expensive.ToString();
textBox2.Text = aiport.averageLen().ToString();
}
else
{
textBox1.Clear();
textBox2.Clear();
}
}
else
{
lbDestinations.Items.Clear();
textBox1.Clear();
textBox2.Clear();
}
}
private void btnSubmitAirport_Click(object sender, EventArgs e)
{
if (tbAirportName.Text.Length == 0 || tbCityName.Text.Length == 0 || tbAbbr.Text.Length == 0)
{
MessageBox.Show("You must enter all fields first!");
}
else
{
String cityName = tbCityName.Text;
String airportName = tbAirportName.Text;
String abbr = tbAbbr.Text;
airport = new Aiport(cityName, airportName, abbr, new List <Destination>());
DialogResult = DialogResult.OK;
}
}
private void btnAddDestination_Click(object sender, EventArgs e)
{
Nova_destinacija nova_Destinacija = new Nova_destinacija();
DialogResult result = nova_Destinacija.ShowDialog();
if (result == DialogResult.OK)
{
lbDestinations.Items.Add(nova_Destinacija.destination);
}
Aiport selected = (Aiport)lbAirports.SelectedItem;
selected.addDestination(nova_Destinacija.destination);
update();
}
private void btnRemoveAirport_Click(object sender, EventArgs e)
{
Deletion_notice deletion = new Deletion_notice();
DialogResult result = deletion.ShowDialog();
if (result == DialogResult.Yes)
{
if (lbAirports.SelectedIndex != -1)
{
Aiport aiport = (Aiport)lbAirports.SelectedItem;
aiport.destinations.Clear();
lbAirports.Items.RemoveAt(lbAirports.SelectedIndex);
update();
}
btnRemoveAirport.Enabled = false;
}
}