private void FindBtnClick(object sender, EventArgs e)
{
double lengthFt;
if (TryGetLength(out lengthFt) == false)
{
MessageBox.Show("Invalid runway length.");
return;
}
var altn = new AlternateFinder(airportList)
.AltnInfo(icaoTxtbox.Text, (int)lengthFt);
DataGrid.Columns.Clear();
DataGrid.Rows.Clear();
DataGrid.ColumnCount = 4;
DataGrid.RowCount = altn.Count;
DataGrid.Columns[0].Name = "ICAO";
DataGrid.Columns[1].Name = "Airport Name";
DataGrid.Columns[2].Name = "Max RWY Length(" +
lengthUnitComboBox.Text +
")";
DataGrid.Columns[3].Name = "Distance";
for (int i = 0; i < altn.Count; i++)
{
DataGrid[0, i].Value = altn[i].Icao;
DataGrid[1, i].Value = altn[i].AirportName;
DataGrid[2, i].Value = altn[i].LongestRwyLength;
DataGrid[3, i].Value = altn[i].Distance;
}
if (lengthUnitComboBox.SelectedIndex == 0)
{
for (int i = 0; i < altn.Count; i++)
{
DataGrid[2, i].Value = (int)Math.Round(
Convert.ToDouble(DataGrid[2, i].Value) * FtMeterRatio);
}
}
DataGrid.Sort(DataGrid.Columns[3], ListSortDirection.Ascending);
DataGrid.Columns[0].Width = 80;
DataGrid.Columns[1].Width = 240;
DataGrid.Columns[2].Width = 100;
DataGrid.Columns[3].Width = 100;
DataGrid.Columns[0].DefaultCellStyle.Alignment =
DataGridViewContentAlignment.MiddleCenter;
DataGrid.Columns[2].DefaultCellStyle.Alignment =
DataGridViewContentAlignment.MiddleRight;
DataGrid.Columns[3].DefaultCellStyle.Alignment =
DataGridViewContentAlignment.MiddleRight;
}
/// <summary>
/// If the ICAO is found and the minimum runway length is a valid number,
/// update the list of alternates. Otherwise, clear the list of alternates.
/// </summary>
public void FindAlternates()
{
view.Alternates = new AlternateFinder.AlternateInfo[0];
double?lengthFt = TryGetLengthFt();
if (lengthFt == null)
{
return;
}
var icao = view.ICAO;
if (airportList[icao] == null)
{
return;
}
var finder = new AlternateFinder(airportList);
view.Alternates = new ReadOnlyCollection <AlternateFinder.AlternateInfo>(
finder.AltnInfo(icao, (int)lengthFt));
}
