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Diffstat (limited to 'Xamarin.Forms.Maps.UWP/GeocoderBackend.cs')
-rw-r--r--Xamarin.Forms.Maps.UWP/GeocoderBackend.cs86
1 files changed, 86 insertions, 0 deletions
diff --git a/Xamarin.Forms.Maps.UWP/GeocoderBackend.cs b/Xamarin.Forms.Maps.UWP/GeocoderBackend.cs
new file mode 100644
index 0000000..10f624a
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+++ b/Xamarin.Forms.Maps.UWP/GeocoderBackend.cs
@@ -0,0 +1,86 @@
+´╗┐using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Windows.Devices.Geolocation;
+using Windows.Services.Maps;
+
+#if WINDOWS_UWP
+
+namespace Xamarin.Forms.Maps.UWP
+#else
+
+namespace Xamarin.Forms.Maps.WinRT
+#endif
+{
+ internal class GeocoderBackend
+ {
+ public static void Register()
+ {
+ Geocoder.GetPositionsForAddressAsyncFunc = GetPositionsForAddress;
+ Geocoder.GetAddressesForPositionFuncAsync = GetAddressesForPositionAsync;
+ }
+
+ static string AddressToString(MapAddress address)
+ {
+ string building = "", house = "", city = "", country = "";
+
+ var bldg = new List<string>();
+ if (!"".Equals(address.BuildingRoom))
+ bldg.Add(address.BuildingRoom);
+ if (!"".Equals(address.BuildingFloor))
+ bldg.Add(address.BuildingFloor);
+ if (!"".Equals(address.BuildingName))
+ bldg.Add(address.BuildingName);
+ if (!"".Equals(address.BuildingWing))
+ bldg.Add(address.BuildingWing);
+ if (bldg.Count > 0)
+ building = string.Join(" ", bldg) + Environment.NewLine;
+
+ var hs = new List<string>();
+ if (!"".Equals(address.StreetNumber))
+ hs.Add(address.StreetNumber);
+ if (!"".Equals(address.Street))
+ hs.Add(address.Street);
+ if (hs.Count > 0)
+ house = string.Join(" ", hs) + Environment.NewLine;
+
+ var cs = new List<string>();
+ if (!"".Equals(address.Town))
+ cs.Add(address.Town);
+ if (!"".Equals(address.Neighborhood))
+ cs.Add(address.Neighborhood);
+ else if (!"".Equals(address.Region))
+ cs.Add(address.Region);
+ if (!"".Equals(address.PostCode))
+ cs.Add(address.PostCode);
+ if (cs.Count > 0)
+ city = string.Join(" ", cs) + Environment.NewLine;
+
+ if (!"".Equals(address.Country))
+ country = address.Country;
+ return building + house + city + country;
+ }
+
+ static async Task<IEnumerable<string>> GetAddressesForPositionAsync(Position position)
+ {
+ var queryResults =
+ await
+ MapLocationFinder.FindLocationsAtAsync(
+ new Geopoint(new BasicGeoposition { Latitude = position.Latitude, Longitude = position.Longitude }));
+ var addresses = new List<string>();
+ foreach (var result in queryResults?.Locations)
+ addresses.Add(AddressToString(result.Address));
+
+ return addresses;
+ }
+
+ static async Task<IEnumerable<Position>> GetPositionsForAddress(string address)
+ {
+ var queryResults = await MapLocationFinder.FindLocationsAsync(address, null, 10);
+ var positions = new List<Position>();
+ foreach (var result in queryResults?.Locations)
+ positions.Add(new Position(result.Point.Position.Latitude, result.Point.Position.Longitude));
+ return positions;
+ }
+ }
+} \ No newline at end of file