/// <summary>
/// A method that reads the cities from the current file
/// </summary>
private void ReadFile()
{
BestTripCitySeries.Points.Clear();
SelectedTripCitySeries.Points.Clear();
Cities.Clear();
// Makes sure the file is valid
if (CurrentFile != null && !CurrentFile.Exists)
{
MessageBox.Show("There is no valid file selected", "No Valid File",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
StreamReader reader = new StreamReader(CurrentFile.FullName);
// Skip the first four lines
for (int x = 0; x < 4; x++)
{
reader.ReadLine();
}
// Get the number of destinations
var temp = reader.ReadLine().Split(' ');
int cityCount = int.Parse(temp[1]);
// Skip two more lines
for (int y = 0; y < 2; y++)
{
reader.ReadLine();
}
// Read the data for each city
for (int z = 0; z < cityCount; z++)
{
temp = reader.ReadLine().Split(' ');
var city = new City(int.Parse(temp[0]),
double.Parse(temp[1]),
double.Parse(temp[2]));
// Add the city to the list
Cities.Add(city);
// Add the city to the graph
BestTripCitySeries.Points.Add(new ScatterPoint(city.XPosition, city.YPosition));
SelectedTripCitySeries.Points.Add(new ScatterPoint(city.XPosition, city.YPosition));
}
BestPathInfo.InvalidatePlot(true);
SelectedPathInfo.InvalidatePlot(true);
CSolver.OrderData(Cities);
}
/// <summary>
/// A method called when a new common path is created
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnNewBestFound(object sender, BestFoundEventArgs args)
{
BestDistance = args.NewBest.GetDistance();
BestPathSeries.Points.Clear();
foreach (City stop in args.NewBest.Stops)
{
BestPathSeries.Points.Add(new DataPoint(stop.XPosition, stop.YPosition));
}
BestPathInfo.InvalidatePlot(true);
NotifyOfPropertyChange(nameof(BestDistance));
}