public StopResultVM(BusRoute br)
{
Context = br;
Title = Context.Title;
//this.Title = "stop results";
//HeaderTitle = "bus alarm - " + Context.Title;
HeaderTitle = "stop results";
//this.HeaderTitle = "bus alarm";
Stops = new ObservableCollection<BusStop>();
StopResultVM.CurrentInstance = this;
}
public StopResultVM(BusRoute br)
{
Context = br;
Title = Context.Title;
//this.Title = "stop results";
//HeaderTitle = "bus alarm - " + Context.Title;
HeaderTitle = "stop results";
//this.HeaderTitle = "bus alarm";
Stops = new ObservableCollection <BusStop>();
StopResultVM.CurrentInstance = this;
}
/// <summary>
/// Finds the nearest matching route
/// </summary>
/// <param name="routeName">Name of route</param>
/// <returns></returns>
private static async Task <BusRoute> GetNearestMatchingRoute(string routeName)
{
BusRoute retRoute = null;
if (RouteIDs.ContainsKey(routeName))
{
if (RouteIDs[routeName].Count == 0)
{
return(null);
}
if (RouteIDs[routeName].Count == 1)
{
if (!AppSettings.KnownRoutes.Value.ContainsKey(RouteIDs[routeName][0]))
{
return(null);
}
retRoute = await TransitLoader.GetRoute(RouteIDs[routeName][0]);
return(retRoute);
}
double minDist = double.PositiveInfinity;
foreach (string id in RouteIDs[routeName])
{
if (!AppSettings.KnownRoutes.Value.ContainsKey(id))
{
return(retRoute);
}
var br = AppSettings.KnownRoutes.Value[id];
if (br.Stop_Ids == null || br.Stop_Ids.Count == 0)
{
return(retRoute);
}
BusStop firststop = await TransitLoader.GetStop(br.Stop_Ids[0]);
if (firststop == null)
{
continue;
}
var dist = MyLocation.GetDistanceTo(firststop.Location);
if (minDist > dist)
{
retRoute = br;
minDist = dist;
}
}
return(retRoute);
}
return(null);
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
// Update current dispatcher
Util.CurrentDispatcher = this.Dispatcher;
if (this.startup)
{
// Initialize progress bar
this.InitializeProgress();
// Setup ViewModel
string route_id;
string route_name;
if (this.NavigationContext.QueryString.TryGetValue("route_id", out route_id))
{
this.ViewModel = new StopResultVM(AppSettings.KnownRoutes.Value[route_id]);
await InitializeFromViewModel();
}
else if (this.NavigationContext.QueryString.TryGetValue(VoiceHelper.RouteNumPhraseList, out route_name))
{
ProgressIndicatorHelper.Instance.Push(LoadingEnum.Routes);
BusRoute br = await TransitInfo.SearchForRoute(route_name);
ProgressIndicatorHelper.Instance.Remove(LoadingEnum.Routes);
if (LocationTracker.GetPermission())
{
LocationTracker.RetrieveLocation();
}
if (br != null)
{
this.ViewModel = new StopResultVM(br);
await InitializeFromViewModel();
}
else
{
MessageBox.Show(string.Format("Could not find route {0}.", route_name),
"No matches", MessageBoxButton.OK);
}
}
}
}
/// <summary>
/// Download route if necessary
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static async Task <BusRoute> GetRoute(string id)
{
if (AppSettings.KnownRoutes.Value.ContainsKey(id))
{
return(AppSettings.KnownRoutes.Value[id]);
}
else
{
try
{
var response = await DownloadString(rStop(id).ToUri());
BusRoute retval = JsonConvert.DeserializeObject <BusRoute>(response);
AppSettings.KnownRoutes.Value[id] = retval;
AppSettings.KnownRoutes.Save();
return(retval);
}
catch { return(null); }
}
}
/// <summary>
/// Search the text in the route box
/// </summary>
/// <returns></returns>
private async Task SearchRoutes()
{
this.Focus();
// Blank route
if (this.RouteSearchBox.Text == EmptyTextBox ||
string.IsNullOrWhiteSpace(this.RouteSearchBox.Text))
{
MessageBox.Show("Please enter the number of a bus route in your area.",
"No input", MessageBoxButton.OK);
return;
}
ProgressIndicatorHelper.Instance.Push(LoadingEnum.Routes);
BusRoute br = await TransitInfo.SearchForRoute(this.RouteSearchBox.Text);
if (br == null && !AppSettings.LocationConsent.Value && LocationTracker.GetPermission())
{
br = await TransitInfo.SearchForRoute(this.RouteSearchBox.Text);
}
ProgressIndicatorHelper.Instance.Remove(LoadingEnum.Routes);
if (br == null)
{
TransitLoader.InternetAvailable();
MessageBox.Show(string.Format("Could not find route {0}.", this.RouteSearchBox.Text),
"No matches", MessageBoxButton.OK);
return;
}
this.RouteSearchBox.Text = "";
if (this.SpacingPanel.Height == spacerMaxHeight)
{
this.SetSearchBarVisibility(Visibility.Collapsed);
}
NavigationService.Navigate(new Uri(
string.Format("/Pages/StopResultPage.xaml?route_id={0}", br.Id),
UriKind.Relative));
//NavigationService.Navigate(new Uri("/Pages/StopResultPage.xaml", UriKind.Relative));
}
/// <summary>
/// Search for route within known routes.
/// If not found, load up nearby transit info and search again.
/// TODO: If there is a known far away stop, this will fail.
/// </summary>
/// <param name="routeName"></param>
/// <returns></returns>
public static async Task <BusRoute> SearchForRoute(string routeName)
{
BusRoute result = null;
result = await GetNearestMatchingRoute(routeName);
if (result != null)
{
return(result);
}
if (MyLocation != null)
{
await TransitLoader.GetTransitNetwork(TransitInfo.MyLocation);
}
//RefreshRouteIDs();
await RefreshRouteIDsAsync();
result = await GetNearestMatchingRoute(routeName);
return(result);
}