public void Limpar()
{
Title = string.Empty;
Destinations.Clear();
Body.Clear();
_mail.To.Clear();
}
/// <summary>
/// A method that parses a list of cities into properties used by the solver
/// </summary>
/// <param name="cities">The cities to be parsed</param>
public void OrderData(List <City> cities)
{
// Clear any previous information
Destinations.Clear();
VisitedCities.Clear();
DataCleared.Invoke(this, new EventArgs());
// Set the first city as the start and end
Origin = cities[0];
VisitedCities.Add(Origin);
CityAdded.Invoke(this, new CityAddedEventArgs(Origin, 0));
VisitedCities.Add(Origin);
CityAdded.Invoke(this, new CityAddedEventArgs(Origin, 1));
// Set the next closest node as the second point
SecondCity = cities[1];
foreach (City city in cities.Skip(2))
{
if (Origin.DistanceTo(city) < Origin.DistanceTo(SecondCity))
{
SecondCity = city;
}
}
VisitedCities.Insert(1, SecondCity);
CityAdded.Invoke(this, new CityAddedEventArgs(SecondCity, 1));
// Add the rest of the cities to the destinations list
Destinations = cities.Where(c => c != Origin && c != SecondCity).ToList();
}
async Task ExecuteLoadDestinationsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Destinations.Clear();
var destinations = await DestData.GetDestinationsAsync(true);
Destinations.ReplaceRange(destinations);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}
public void SetSingleDirectDest(string dest)
{
Destinations.Clear();
Destinations.Add(new DestData()
{
Destination = dest
});
}
/// <summary>
/// A method that parses a list of cities into properties used by the solver
/// </summary>
/// <param name="cities">The cities to be parsed</param>
public void OrderData(List <City> cities)
{
// Clear any previous information
PopulationSize = 10;
Destinations.Clear();
// Set the first city as the start and end
Origin = cities[0];
// Add the rest of the cities to the destinations list
Destinations = cities.Where(c => c != Origin).ToList();
}
public void ClearDestinationBindings()
{
lock (Parent)
{
foreach (DestinationInfo dInfo in Destinations)
{
dInfo.BindingGroupIds.Remove(Id);
}
Destinations.Clear();
ReconstructFastDestinationArray();
}
}
/// <summary>
/// A method that reads the cities from the current file
/// </summary>
private void GetCities()
{
// 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;
}
// Clear any previous data
Origin = null;
Destinations.Clear();
string[] temp;
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
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 the origin city
temp = reader.ReadLine().Split(' ');
Origin = new City(int.Parse(temp[0]),
double.Parse(temp[1]),
double.Parse(temp[2]));
// Read the data for each city
for (int z = 0; z < cityCount - 1; z++)
{
temp = reader.ReadLine().Split(' ');
Destinations.Add(new City(int.Parse(temp[0]),
double.Parse(temp[1]),
double.Parse(temp[2])));
}
}
/// <summary>
/// Check for changes in the database
/// </summary>
public void UpdateDestinations()
{
//store currently selected destinations
List <Destination> selected = SelectedDestinations.Select(s => s.Destination).ToList();
//get rid of old entries
Destinations.Clear();
SelectedDestinations.Clear();
//re-initialize destination list
InitDestinations();
//restore previous selections
Destinations.Where(d => selected.Contains(d.Destination)).ToList().ForEach(d => SelectDestination(d));
//TODO: improve this messy updating approach...
//update filtered list
IoC.CreateTripViewModel.RecalcFilteredDestinations();
//TODO: currently, deleting destinations from DB is not planned
}