private void addBtn_Click(object sender, EventArgs e)
{
String newEntry = ("\n" + (gr.getNoOfAirports() + 1) + "\t" + nameTxt.Text + "\t" + latitudeTxt.Text + "\t" + longitudeTxt.Text
+ "\t" + gr.getCountryCode(countryBox.SelectedItem.ToString()) + "\t" + cityTxt.Text + "\t" + airportCodeTxt.Text);
File.AppendAllText("airports.dat", newEntry);
Airport A = new Airport();
A.airportID = gr.getNoOfAirports() + 1;
A.name = nameTxt.Text;
A.latitude = double.Parse(latitudeTxt.Text);
A.longitude = double.Parse(longitudeTxt.Text);
for (int i = 0; i < gr.getNoOfCountries(); i++)
{
if (countryBox.SelectedItem.ToString().Equals(gr.getCountry(i).name))
{
A.country = gr.getCountry(i);
}
}
A.city = cityTxt.Text;
A.code = airportCodeTxt.Text;
gr.addAirport(A);
this.Hide();
}
private void LoadData()
{
using (StreamReader myFile = new StreamReader("countries.dat"))
{
while (!myFile.EndOfStream)
{
Country C = new Country();
string[] lines = myFile.ReadLine().Split('\t');
C.countryCode = lines[1];
C.name = lines[2];
C.continent = lines[3];
gr.addCountry(C);
}
}
using (StreamReader myFile = new StreamReader("airports.dat"))
{
while (!myFile.EndOfStream)
{
Airport A = new Airport();
string[] lines = myFile.ReadLine().Split('\t');
A.airportID = Int32.Parse(lines[0]);
A.name = lines[1];
A.latitude = double.Parse(lines[2], CultureInfo.InvariantCulture);
A.longitude = double.Parse(lines[3], CultureInfo.InvariantCulture);
A.city = lines[5];
A.code = lines[6];
for (int i = 0; i < gr.getNoOfCountries(); i++)
{
if (lines[4].Equals(gr.getCountry(i).countryCode))
{
A.country = gr.getCountry(i);
}
}
gr.addAirport(A);
}
}
using (StreamReader myFile = new StreamReader("routes.dat"))
{
while (!myFile.EndOfStream)
{
string[] lines = myFile.ReadLine().Split('\t');
Route R = new Route();
for (int i = 0; i < gr.getNoOfAirports(); i++)
{
if (lines[0].Equals(gr.getAirport(i).code))
{
R.origin = gr.getAirport(i);
}
else if (lines[1].Equals(gr.getAirport(i).code))
{
R.destination = gr.getAirport(i);
}
}
gr.addRoute(R);
}
}
gr.sortVectors();
gr.addNeighbours();
}