private async Task LoadLocations()
{
// Disable EditMode button
EditButton.IsEnabled = false;
// Lets load it up...
var locations = await Settings.GetFavorites();
LocationPanels.Clear();
// Setup saved favorite locations
await LoadGPSPanel();
foreach (LocationData location in locations)
{
var panel = new LocationPanelViewModel()
{
// Save index to tag (to easily retreive)
LocationData = location
};
LocationPanels.Add(panel);
}
foreach (LocationData location in locations)
{
var wLoader = new WeatherDataLoader(location, this, this);
await wLoader.LoadWeatherData(false);
}
// Enable EditMode button
EditButton.IsEnabled = true;
}
private async void Location_QuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs args)
{
LocationQueryViewModel query_vm = null;
if (args.ChosenSuggestion != null)
{
// User selected an item from the suggestion list, take an action on it here.
var theChosenOne = args.ChosenSuggestion as LocationQueryViewModel;
if (!String.IsNullOrEmpty(theChosenOne.LocationQuery))
{
query_vm = theChosenOne;
}
else
{
query_vm = new LocationQueryViewModel();
}
}
else if (!String.IsNullOrEmpty(args.QueryText))
{
// Use args.QueryText to determine what to do.
var result = (await wm.GetLocations(args.QueryText)).First();
if (result != null && !String.IsNullOrWhiteSpace(result.LocationQuery))
{
sender.Text = result.LocationName;
query_vm = result;
}
else
{
query_vm = new LocationQueryViewModel();
}
}
else if (String.IsNullOrWhiteSpace(args.QueryText))
{
// Stop since there is no valid query
return;
}
if (String.IsNullOrWhiteSpace(query_vm.LocationQuery))
{
// Stop since there is no valid query
return;
}
// Cancel other tasks
cts.Cancel();
cts = new CancellationTokenSource();
var ctsToken = cts.Token;
LoadingRing.IsActive = true;
if (ctsToken.IsCancellationRequested)
{
LoadingRing.IsActive = false;
return;
}
// Check if location already exists
var locData = await Settings.GetLocationData();
if (locData.Exists(l => l.query == query_vm.LocationQuery))
{
LoadingRing.IsActive = false;
ShowAddLocationsPanel(false);
return;
}
if (ctsToken.IsCancellationRequested)
{
LoadingRing.IsActive = false;
return;
}
var location = new LocationData(query_vm);
if (!location.IsValid())
{
await Toast.ShowToastAsync(App.ResLoader.GetString("WError_NoWeather"), ToastDuration.Short);
LoadingRing.IsActive = false;
return;
}
var weather = await Settings.GetWeatherData(location.query);
if (weather == null)
{
try
{
weather = await wm.GetWeather(location);
}
catch (WeatherException wEx)
{
weather = null;
await Toast.ShowToastAsync(wEx.Message, ToastDuration.Short);
}
}
if (weather == null)
{
LoadingRing.IsActive = false;
return;
}
// We got our data so disable controls just in case
sender.IsSuggestionListOpen = false;
// Save data
await Settings.AddLocation(location);
if (wm.SupportsAlerts && weather.weather_alerts != null)
{
await Settings.SaveWeatherAlerts(location, weather.weather_alerts);
}
await Settings.SaveWeatherData(weather);
var panelView = new LocationPanelViewModel(weather)
{
LocationData = location
};
// Set properties if necessary
if (EditMode)
{
panelView.EditMode = true;
}
// Add to collection
LocationPanels.Add(panelView);
// Hide add locations panel
LoadingRing.IsActive = false;
ShowAddLocationsPanel(false);
}
