public async Task <IDictionary <Guid, StationViewModel> > CreateViewModelsAsync(BikeShareNetwork bikeShare)
{
var vmDict = new Dictionary <Guid, StationViewModel>();
await Task.Factory.StartNew(() =>
{
foreach (var station in bikeShare.Stations)
{
var vm = StationViewModel.Create(station);
vmDict.Add(station.Id, vm);
}
});
return(vmDict);
}
public void SelectStation(StationViewModel station)
{
StationViewModel oldStation = this.CurrentStation;
if (oldStation != null)
{
oldStation.DetailsVisibility = Visibility.Collapsed;
}
if (station != null)
{
// stupid hack to fix zorder
this.StationSource.Remove(station);
this.StationSource.Add(station);
station.DetailsVisibility = Visibility.Visible;
}
this.CurrentStation = station;
}
public static StationViewModel Create(BikeShareStation bikeShareStation)
{
var vm = new StationViewModel();
vm.Id = bikeShareStation.Id;
vm.name = bikeShareStation.Extra.Name;
vm.bikeCount = bikeShareStation.FreeBikes;
vm.emptyDockCount = bikeShareStation.EmptySlots;
vm.Locked = bikeShareStation.Extra.Locked;
vm.Installed = bikeShareStation.Extra.Installed;
vm.location = new Geopoint(
new BasicGeoposition {
Latitude = bikeShareStation.Latitude, Longitude = bikeShareStation.Longitude
});
vm.CalcPieArc(vm.BikeCount, vm.EmptyDockCount);
vm.DetermineAvailability();
return(vm);
}
private bool StationSourceFilter(StationViewModel station)
{
if (station == null)
{
return(false);
}
var myCity = Cities.CurrentCity;
if (myCity == null)
{
return(false);
}
if (GeoUtil.DistanceTo(station.Location.Position, myCity.Center) < 50000)
{
return(true);
}
return(false);
}
public void Update(StationViewModel other)
{
if (this.Id != other.Id)
{
Debug.Assert(false, "Station Id Mismatch.");
return;
}
bool recalcPie = false;
if (this.BikeCount != other.BikeCount)
{
this.BikeCount = other.BikeCount;
recalcPie = true;
}
if (this.EmptyDockCount != other.EmptyDockCount)
{
this.EmptyDockCount = other.EmptyDockCount;
recalcPie = true;
}
if (this.Locked != other.Locked)
{
this.Locked = other.Locked;
recalcPie = true;
}
if (this.Installed != other.Installed)
{
this.Installed = other.Installed;
recalcPie = true;
}
if (recalcPie)
{
this.CalcPieArc(bikeCount, emptyDockCount);
this.DetermineAvailability();
}
}
private void SelectNearestStationWithAvailablilty(Predicate <StationViewModel> condition)
{
double minDist = Double.MaxValue;
StationViewModel nearestStation = null;
foreach (var station in this.StationSource)
{
double dist = GeoUtil.DistanceTo(myLocation.Position, station.Location.Position);
if (dist < minDist && condition(station))
{
nearestStation = station;
minDist = dist;
}
}
this.SelectStation(nearestStation);
if (nearestStation != null)
{
this.MapCenter = nearestStation.Location;
}
}