public static List<BusStop> DeformatStops(CompactFormatReader reader)
{
List<BusStop> result = new List<BusStop>();
CompactFormatReader[] stopReader;
List<string> routes;
while ((stopReader = reader.Next()) != null)
{
BusStop stop = new BusStop();
stop.ID = stopReader[0].ReadString();
stop.Direction = (StopDirection)stopReader[1].ReadInt();
stop.Position = new BasicGeoposition() { Latitude = double.Parse(stopReader[2].ReadString()), Longitude = double.Parse(stopReader[3].ReadString()) };
stop.Name = stopReader[4].ReadString();
stop.Code = stopReader[5].ReadString();
stop.LocationType = stopReader[6].ReadInt();
routes = new List<string>();
CompactFormatReader[] routeReader;
while ((routeReader = stopReader[7].Next()) != null)
{
routes.Add(routeReader[0].ReadString());
}
stop.Routes = routes.ToArray();
result.Add(stop);
}
return result;
}
public static async Task SaveScheduleAsync(WeekSchedule schedule, BusStop stop)
{
await EnsureFolders();
var file = await (await ApplicationData.Current.LocalCacheFolder.GetFolderAsync("SavedSchedules")).CreateFileAsync(stop.ID.ToString() + ".txt", CreationCollisionOption.ReplaceExisting);
CompactFormatWriter encoder = new CompactFormatWriter();
schedule.Format(encoder);
encoder.TrimDelimiter();
await FileIO.WriteTextAsync(file, encoder.ToString());
await ModifyStopCache(delegate (List<BusStop> cache)
{
if (!cache.Any(item => item == stop))
cache.Add(stop);
}
);
}
private void OnStopsClicked(BusStop[] stops, BasicGeoposition location)
{
if (StopsClicked != null) StopsClicked(this, new StopClickedEventArgs(location, stops));
}
private void MainMap_MapElementClick(MapControl sender, MapElementClickEventArgs args)
{
var mapIcons = args.MapElements.Where(me => me is MapIcon && BusStopIcons.Contains(me));
BusStop[] stops = new BusStop[mapIcons.Count()];
for (int i = 0; i < stops.Length; i++)
{
stops[i] = Stops[(MapIcon)mapIcons.ElementAt(i)];
}
OnStopsClicked(stops, args.Location.Position);
}
private void AddStopToMap(BusStop stop)
{
MapIcon mico = new MapIcon();
mico.ZIndex = 10;
mico.Location = new Geopoint(stop.Position);
mico.CollisionBehaviorDesired = MapElementCollisionBehavior.RemainVisible;
string size = ZoomLevel < StopSizeThreshold ? "20" : "40";
bool visibility = ZoomLevel >= StopVisibilityThreshold;
mico.Image = RandomAccessStreamReference.CreateFromUri(new Uri(stop.Direction == StopDirection.Unspecified ? "ms-appx:///Assets/Icons/BusBase" + size + ".png" : "ms-appx:///Assets/Icons/BusDirection" + stop.Direction.ToString() + size + ".png"));
mico.NormalizedAnchorPoint = new Point(0.5, 0.5);
mico.Visible = visibility;
MainMap.MapElements.Add(mico);
Stops[mico] = stop;
BusStopIcons.Add(mico);
polygonCenter = stop.Position;
SetPolygonSize();
}
private void RemoveStopFromMap(BusStop stop)
{
MapIcon mico = Stops.FirstOrDefault(kvp => kvp.Value == stop).Key;
Stops.Remove(mico);
if (mico == null) return;
MainMap.MapElements.Remove(mico);
}
protected override async void OnLoadState(Dictionary<string, object> state, object navigationParameter)
{
if (state != null && state.ContainsKey("Lat") && state.ContainsKey("Lon") && state.ContainsKey("Zoom"))
{
MainMap.Center = new BasicGeoposition() { Latitude = (double)state["Lat"], Longitude = (double)state["Lon"] };
MainMap.ZoomLevel = (double)state["Zoom"];
if (state.ContainsKey("Stops") && state.ContainsKey("StopsLat") && state.ContainsKey("StopsLon"))
{
var location = new BasicGeoposition() { Latitude = (double)state["StopsLat"], Longitude = (double)state["StopsLon"] };
var stopIds = (string[])state["Stops"];
BusStop[] stops = new BusStop[stopIds.Length];
for (int i = 0; i < stopIds.Length; i++)
stops[i] = await Data.GetBusStop(stopIds[i], MasterCancellationTokenSource.Token);
OnStopsClicked(stops, location);
CanGoBack = true;
}
}
else if (navigationParameter?.ToString() == "CurrentLocation")
{
CenterOnCurrentLocation();
}
}
private async void OnStopsClicked(BusStop[] stops, BasicGeoposition location)
{
BasicGeoposition newCenter = location;
newCenter.Latitude = location.Latitude + (MainMap.TopLeft.Latitude - MainMap.BottomRight.Latitude) / 2 - 50 * MainMap.LatitudePerPixel;
double halfLatSpan = (MainMap.TopLeft.Latitude - MainMap.BottomRight.Latitude) / 2.5;
double halfLonSpan = (MainMap.BottomRight.Longitude - MainMap.TopLeft.Longitude) / 2.5;
await MainMap.MapControl.TrySetViewBoundsAsync(new GeoboundingBox(new BasicGeoposition() { Latitude = newCenter.Latitude + halfLatSpan, Longitude = newCenter.Longitude - halfLonSpan },
new BasicGeoposition() { Latitude = newCenter.Latitude - halfLatSpan, Longitude = newCenter.Longitude + halfLonSpan }), null, MapAnimationKind.Linear);
MapControl.SetLocation(StopArrivalBoxGrid, new Geopoint(location));
StopArrivalBox.SetStops(stops);
VisualStateManager.GoToState(this, "ArrivalBoxShown", true);
}
public static async Task OverwriteScheduleAsync(WeekSchedule schedule, BusStop stop)
{
int hash = HashLocation(stop.Position);
var file = await (await ApplicationData.Current.LocalCacheFolder.GetFolderAsync("SavedSchedules")).CreateFileAsync(stop.ID.ToString() + ".txt", CreationCollisionOption.ReplaceExisting);
CompactFormatWriter encoder = new CompactFormatWriter();
schedule.Format(encoder);
encoder.TrimDelimiter();
await FileIO.WriteTextAsync(file, encoder.ToString());
await AccessStopCache(hash, delegate (List<BusStop> cache)
{
if (!cache.Any(item => item == stop))
{
cache.Add(stop);
return true;
}
return false;
}
);
}
public static async Task DeleteSchedules(BusStop[] stops, params string[] routes)
{
Dictionary<string, StorageFile> files = new Dictionary<string, StorageFile>();
var allFiles = await (await ApplicationData.Current.LocalCacheFolder.GetFolderAsync("SavedSchedules")).GetFilesAsync();
foreach (var file in allFiles)
{
if (stops.Any(stop => stop.Name + ".txt" == file.Name))
{
var curStop = stops.First(stop => stop.Name + ".txt" == file.Name);
files.Add(curStop.ID, file);
}
}
foreach (var stop in stops)
{
if (files.Any(kvp => kvp.Key == stop.ID))
{
var file = files.First(kvp => kvp.Key == stop.ID).Value;
await DeleteSchedule(stop, file, routes);
}
}
}
private static async Task DeleteSchedule(BusStop stop, StorageFile file, params string[] routes)
{
if (routes == null || routes.Length == 0)
{
await file.DeleteAsync();
}
else
{
WeekSchedule baseSchedule = (await LoadSchedule(stop.ID)) ?? new WeekSchedule();
baseSchedule.RemoveRoutes(routes);
if (baseSchedule.IsEmpty)
await DeleteSchedule(stop, file);
else
await OverwriteScheduleAsync(baseSchedule, stop);
}
}
public static async Task SaveScheduleAsync(WeekSchedule schedule, BusStop stop)
{
WeekSchedule baseSchedule = (await LoadSchedule(stop.ID)) ?? new WeekSchedule();
baseSchedule.RemoveRoutes(schedule.Routes);
baseSchedule.MergeByRoute(schedule);
await OverwriteScheduleAsync(baseSchedule, stop);
}
private async void OnStopsClicked(BusStop[] stops, BasicGeoposition location)
{
BasicGeoposition newCenter = location;
newCenter.Latitude = location.Latitude + (MainMap.TopLeft.Latitude - MainMap.BottomRight.Latitude) / 2 - 50 * MainMap.LatitudePerPixel;
double halfLatSpan = (MainMap.TopLeft.Latitude - MainMap.BottomRight.Latitude) / 2.5;
double halfLonSpan = (MainMap.BottomRight.Longitude - MainMap.TopLeft.Longitude) / 2.5;
if (halfLatSpan > 0 && halfLonSpan > 0)
{
await MainMap.MapControl.TrySetViewBoundsAsync(new GeoboundingBox(new BasicGeoposition() { Latitude = newCenter.Latitude + halfLatSpan, Longitude = newCenter.Longitude - halfLonSpan },
new BasicGeoposition() { Latitude = newCenter.Latitude - halfLatSpan, Longitude = newCenter.Longitude + halfLonSpan }), null, MapAnimationKind.Linear);
}
MapControl.SetLocation(StopArrivalBoxGrid, new Geopoint(location));
StopArrivalBox.SetStops(stops);
VisualStateManager.GoToState(this, "ArrivalBoxShown", true);
if (!SettingsManager.GetSetting("ShowStopPageTipShown", true, false) && (new Random()).NextDouble() < 0.05)
{
SettingsManager.SetSetting("ShowStopPageTipShown", true, true);
await Task.Delay(1000);
await StopArrivalBox.ShowHelpTip();
}
}
