/// <summary>
/// Handles delete button clicks to remove the selected
/// location from the Locations collection.
/// </summary>
private async void DeleteLocation_Click(object sender, RoutedEventArgs e)
{
var location = this.GetLocation(sender as Button);
int index = this.Locations.IndexOf(location);
this.Locations.Remove(location);
await LocationDataStore.SaveLocationDataAsync(this.Locations);
}
/// <summary>
/// Handles clicks to the Track button to flag the selected location for monitoring
/// by a background task that periodically checks traffic and sends a notification
/// whenever traffic adds 10 minutes or more to the travel time.
/// </summary>
private async void TrackButton_Click(object sender, RoutedEventArgs e)
{
var button = sender as ToggleButton;
var location = this.GetLocation(button);
location.IsMonitored = button.IsChecked.Value;
this.UpdateTrafficMonitor(button.IsChecked.Value);
await LocationDataStore.SaveLocationDataAsync(this.Locations);
}
/// <summary>
/// Applies the changes represented by the specified LocationData to
/// the cached location in edit, saves the changes to the file system,
/// and updates the user interface to account for the changes.
/// </summary>
private async Task SaveAsync(LocationData workingCopy)
{
Flyout.GetAttachedFlyout(this.GetTemplateRootForLocation(this.locationInEdit)).Hide();
this.isNewLocationInEdit = false;
this.isExistingLocationBeingRepositioned = false;
bool isAddressNew = workingCopy.Address != this.locationInEdit.Address;
bool areCoordinatesNew = !workingCopy.Position.Equals(this.locationInEdit.Position);
// If just the address OR just the coordinates are new,
// clear the other value so that it can be updated.
if (isAddressNew ^ areCoordinatesNew)
{
if (isAddressNew)
{
workingCopy.Position = new BasicGeoposition();
}
if (areCoordinatesNew)
{
workingCopy.Address = string.Empty;
}
}
// If the address, the coordinates, or both have changed, clear the travel
// info and the route so that it doesn't reflect the old position.
if (isAddressNew || areCoordinatesNew)
{
workingCopy.ClearTravelInfo();
this.InputMap.Routes.Clear();
}
this.locationInEdit.Copy(workingCopy);
var currentLocation = await this.GetCurrentLocationAsync();
if (currentLocation != null)
{
if (isAddressNew ^ areCoordinatesNew)
{
await LocationHelper.TryUpdateMissingLocationInfoAsync(this.locationInEdit, currentLocation);
}
}
await LocationDataStore.SaveLocationDataAsync(this.Locations);
if (currentLocation != null)
{
bool isNetworkAvailable = await this.TryUpdateLocationsTravelInfoAsync(this.Locations, currentLocation);
if (isNetworkAvailable)
{
this.InputMap.Routes.Add(new MapRouteView(this.locationInEdit.FastestRoute));
}
}
}