/// <summary>
/// Handles clicks to set waypoint as departure point
/// </summary>
private void SetDepartureWaypoint_Click(object sender, RoutedEventArgs e)
{
var location = ((MenuFlyoutItem)sender).DataContext as LocationData;
RouteWaypoints.Insert(0, location);
RouteDirectionSplitView.IsPaneOpen = true;
}
/// <summary>
/// Handles clicks to the Show Route button and display
/// the route to the selected location from the user's current position.
/// </summary>
private void ShowRouteButton_Click(object sender, RoutedEventArgs e)
{
var location = GetLocation(sender as Button);
RouteWaypoints.Clear();
RouteWaypoints.Insert(0, MappedLocations[0]);
RouteWaypoints.Add(location);
RouteDirectionSplitView.IsPaneOpen = true;
}
/// <summary>
/// Updates the UI to account for the user's current position, if available,
/// resetting the MapControl bounds and refreshing the travel info.
/// </summary>
/// <param name="isGeolocatorReady">false if the Geolocator is known to be unavailable; otherwise, true.</param>
/// <returns></returns>
private async Task ResetViewAsync(bool isGeolocatorReady = true)
{
LocationData currentLocation = null;
if (isGeolocatorReady)
{
currentLocation = await GetCurrentLocationAsync();
}
if (currentLocation != null)
{
if (MappedLocations.Count > 0 && MappedLocations[0].IsCurrentLocation)
{
MappedLocations.RemoveAt(0);
}
await LocationHelper.TryUpdateMissingLocationInfoAsync(currentLocation, "Current Location");
MappedLocations.Insert(0, new LocationData {
Name = "Current Location", Position = currentLocation.Position, IsCurrentLocation = true
});
RouteWaypoints.Insert(0, currentLocation);
}
// Set the current view of the map control.
var positions = Locations.Select(loc => loc.Position).ToList();
if (currentLocation != null)
{
positions.Insert(0, currentLocation.Position);
}
if (positions.Count > 0)
{
bool isSuccessful = await SetViewBoundsAsync(positions);
if (isSuccessful && positions.Count < 2)
{
MyMap.ZoomLevel = 15;
}
else if (!isSuccessful && positions.Count > 0)
{
MyMap.Center = new Geopoint(positions[0]);
MyMap.ZoomLevel = 15;
}
}
}
