Merge pull request #19 from airof98/master

Serialize point properties

lib/src/models.dart

@@ -76,7 +76,7 @@ class GeoJsonFeature<T> {
     switch (type) {
       case GeoJsonFeatureType.point:
         final geom = geometry as GeoJsonPoint;
-        featStr = geom.serializeFeature();
+        featStr = geom.serializeFeature(properties);
         break;
       case GeoJsonFeatureType.multipoint:
         final geom = geometry as GeoJsonMultiPoint;
@@ -175,7 +175,12 @@ class GeoJsonPoint {
   String name;
 
   /// Serialize to a geojson feature string
-  String serializeFeature() => geoPoint.toGeoJsonFeatureString();
+  String serializeFeature(Map properties)  {
+    final p = properties ?? <String, dynamic>{};
+    return '{"type":"Feature","properties":${jsonEncode(p)},'
+      '"geometry":{"type":"Point",'
+      '"coordinates":' + geoPoint.toGeoJsonCoordinatesString() + '}}';
+  }
 }
 
 /// Multiple points

test/geojson_test.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import "package:geojson/geojson.dart";
+import 'package:geopoint/geopoint.dart';
 import "package:test/test.dart";
 
 import 'data.dart';
@@ -96,4 +97,20 @@ void main() {
       expect(e.message, "The feature Unknown is not supported");
     }
   });*/
+
+  test("point properties", () async {
+    final gfc = GeoJsonFeatureCollection()..name="mapmatch";
+    final lprops = Map<String, dynamic>();
+    lprops["point_color"] = "#000";
+    lprops["point_size"] = "7";
+    final lp = GeoJsonFeature<GeoJsonPoint>()
+      ..type=GeoJsonFeatureType.point
+      ..properties=lprops
+      ..geometry=GeoJsonPoint(
+        geoPoint: GeoPoint(latitude: 37.111, longitude: 126.000), name: "a");
+    gfc.collection.add(lp);
+    final s = gfc.serialize();
+    expect(s.contains("\"point_size\":\"7\""), true);
+    expect(s.contains("\"point_color\":\"#000\""), true);
+  });
 }