private async void SelectedLocations_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
try
{
SelectedLocations.CollectionChanged -= SelectedLocations_CollectionChanged;
if (e.NewItems != null)
{
foreach (Location newItem in e.NewItems)
{
SelectedLocations.Add(newItem);
await _settingsService.AddLocationAsync(newItem);
}
}
if (e.OldItems != null)
{
foreach (Location oldtem in e.OldItems)
{
SelectedLocations.Remove(oldtem);
await _settingsService.RemoveLocationAsync(oldtem);
}
}
SelectedLocations.CollectionChanged += SelectedLocations_CollectionChanged;
}
catch (Exception exeption)
{
_loggingService?.WriteError(exeption);
}
}
private void OnNotSelectedLocationDoubleClickCommand()
{
var location = SelectedNotSelectedLocation;
if (location == null)
{
return;
}
NotSelectedLocations.Remove(location);
SelectedLocations.Add(location);
RaisePropertyChanged(() => SelectedLocations);
RaisePropertyChanged(() => NotSelectedLocations);
}
private void InitializeLocations()
{
SelectedLocations.CollectionChanged -= SelectedLocations_CollectionChanged;
SelectedLocations.Clear();
foreach (var location in User.Locations)
{
if (_settingsService.Settings.Locations.Any(l => l.Id == location.Id))
{
SelectedLocations.Add(location);
}
}
SelectedLocations.CollectionChanged += SelectedLocations_CollectionChanged;
}