private async void Location_Click(object sender, RoutedEventArgs e)
{
MyLocBtn.IsEnabled = false;
if (helper.hasInternet())
{
await vm.setGeoLocation(MainMap.Center);
await vm.loadPins();
ScreenCenter.Text = "X";
if (vm.Pushpins.Count > 0)
{
Bing.Maps.LocationRect boundingRect = vm.GetLocationsRect(vm.Pushpins, vm.MyLocation);
MainMap.SetView(boundingRect);
}
else
{
try
{
MainMap.SetView(vm.MyLocation, 15);
}
catch (Exception)
{
MyLocBtn.IsEnabled = true;
return;
}
}
}
MyLocBtn.IsEnabled = true;
}
public Bing.Maps.LocationRect GetLocationsRect(ObservableCollection <Pin> locations, Location locationMy = null)
{
var boundingRect = new Bing.Maps.LocationRect();
if (locations.Count == 0)
{
if (locationMy != null)
{
boundingRect.Center = locationMy;
}
}
else
{
double minLatitude = locations[0].Coordinates.Latitude;
double minLongitude = locations[0].Coordinates.Longitude;
double maxLatitude = locations[0].Coordinates.Latitude;
double maxLongitude = locations[0].Coordinates.Longitude;
if (locationMy != null)
{
minLatitude = locationMy.Latitude;
minLongitude = locationMy.Longitude;
maxLatitude = locationMy.Latitude;
maxLongitude = locationMy.Longitude;
}
foreach (Pin loc in locations)
{
if (loc.Coordinates.Latitude < minLatitude)
{
minLatitude = loc.Coordinates.Latitude;
}
else if (loc.Coordinates.Latitude > maxLatitude)
{
maxLatitude = loc.Coordinates.Latitude;
}
if (loc.Coordinates.Longitude < minLongitude)
{
minLongitude = loc.Coordinates.Longitude;
}
else if (loc.Coordinates.Longitude > maxLongitude)
{
maxLongitude = loc.Coordinates.Longitude;
}
}
double width = maxLongitude - minLongitude;
double height = maxLatitude - minLatitude;
var center = new Bing.Maps.Location(0.5 * (maxLatitude + minLatitude), 0.5 * (maxLongitude + minLongitude));
if (locationMy != null)
{
center = locationMy;
}
boundingRect.Center = center;
boundingRect.Width = width + 0.005;
boundingRect.Height = height + 0.005;
}
return(boundingRect);
}
async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
vm = new MainWindowVM();
Container.DataContext = vm;
if (helper.hasInternet(false))
{
await vm.setGeoLocation(MainMap.Center);
}
else
{
if (!App.askedInternetatStart)
{
MessageDialog dialog = new MessageDialog("Rakendus vajab internetti.");
await dialog.ShowAsync();
App.Current.Exit();
return;
}
}
if (App.ZoomLoc == null)
{
App.ZoomLoc = new ZoomedLocation();
}
else
{
MainMap.MapType = App.ZoomLoc.MapLookType;
MainMap.SetView(MainMap.Center, MainMap.ZoomLevel);
if (helper.hasInternet(false))
{
vm.MyLocation = App.ZoomLoc.Loc;
}
}
if (helper.hasInternet())
{
await vm.loadPins();
Bing.Maps.LocationRect boundingRect = vm.GetLocationsRect(vm.Pushpins, vm.MyLocation);
await Task.Delay(700);
MainMap.SetView(boundingRect);
}
MainMap.ViewChangeEnded += _map_ViewChangeEnded;
MainMap.ViewChangeStarted += _map_ViewChangeStarted;
MainMap.PointerPressedOverride += _map_PointerPressedOverride;
MainMap.PointerMovedOverride += _map_PointerMovedOverride;
MainMap.PointerReleasedOverride += _map_PointerReleasedOverride;
App.askedInternetatStart = true;
}
