settings: added coordinate format

lib/model/settings.dart

@@ -1,7 +1,9 @@
+import 'package:aves/utils/geo_utils.dart';
 import 'package:aves/widgets/fullscreen/info/location_section.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:tuple/tuple.dart';
 
 import 'source/enums.dart';
 
@@ -25,6 +27,7 @@ class Settings {
   static const infoMapStyleKey = 'info_map_style';
   static const infoMapZoomKey = 'info_map_zoom';
   static const launchPageKey = 'launch_page';
+  static const coordinateFormatKey = 'coordinates_format';
 
   Future<void> init() async {
     _prefs = await SharedPreferences.getInstance();
@@ -86,6 +89,10 @@ class Settings {
 
   set launchPage(LaunchPage newValue) => setAndNotify(launchPageKey, newValue.toString());
 
+  CoordinateFormat get coordinateFormat => getEnumOrDefault(coordinateFormatKey, CoordinateFormat.dms, CoordinateFormat.values);
+
+  set coordinateFormat(CoordinateFormat newValue) => setAndNotify(coordinateFormatKey, newValue.toString());
+
   // convenience methods
 
   // ignore: avoid_positional_boolean_parameters
@@ -145,3 +152,29 @@ extension ExtraLaunchPage on LaunchPage {
     }
   }
 }
+
+enum CoordinateFormat { dms, decimal }
+
+extension ExtraCoordinateFormat on CoordinateFormat {
+  String get name {
+    switch (this) {
+      case CoordinateFormat.dms:
+        return 'DMS';
+      case CoordinateFormat.decimal:
+        return 'Decimal degrees';
+      default:
+        return toString();
+    }
+  }
+
+  String format(Tuple2<double, double> latLng) {
+    switch (this) {
+      case CoordinateFormat.dms:
+        return toDMS(latLng).join(', ');
+      case CoordinateFormat.decimal:
+        return [latLng.item1, latLng.item2].map((n) => n.toStringAsFixed(6)).join(', ');
+      default:
+        return toString();
+    }
+  }
+}

lib/widgets/app_drawer.dart

@@ -18,7 +18,7 @@ import 'package:aves/widgets/common/aves_logo.dart';
 import 'package:aves/widgets/common/icons.dart';
 import 'package:aves/widgets/debug_page.dart';
 import 'package:aves/widgets/filter_grid_page.dart';
-import 'package:aves/widgets/settings_page.dart';
+import 'package:aves/widgets/settings/settings_page.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';

lib/widgets/fullscreen/info/location_section.dart

@@ -2,7 +2,6 @@ import 'package:aves/model/filters/location.dart';
 import 'package:aves/model/image_entry.dart';
 import 'package:aves/model/settings.dart';
 import 'package:aves/model/source/collection_lens.dart';
-import 'package:aves/utils/geo_utils.dart';
 import 'package:aves/widgets/common/aves_filter_chip.dart';
 import 'package:aves/widgets/common/icons.dart';
 import 'package:aves/widgets/fullscreen/info/info_page.dart';
@@ -108,7 +107,7 @@ class _LocationSectionState extends State<LocationSection> {
                     style: settings.infoMapStyle,
                   ),
           ),
-          if (entry.hasGps) InfoRowGroup({'Coordinates': toDMS(entry.latLng).join(', ')}),
+          if (entry.hasGps) InfoRowGroup({'Coordinates': settings.coordinateFormat.format(entry.latLng)}),
           if (location.isNotEmpty) InfoRowGroup({'Address': location}),
           if (filters.isNotEmpty)
             Padding(

lib/widgets/fullscreen/overlay/bottom.dart

@@ -3,9 +3,9 @@ import 'dart:ui';
 
 import 'package:aves/model/image_entry.dart';
 import 'package:aves/model/image_metadata.dart';
+import 'package:aves/model/settings.dart';
 import 'package:aves/services/metadata_service.dart';
 import 'package:aves/utils/constants.dart';
-import 'package:aves/utils/geo_utils.dart';
 import 'package:aves/widgets/common/fx/blurred.dart';
 import 'package:aves/widgets/common/icons.dart';
 import 'package:aves/widgets/fullscreen/overlay/common.dart';
@@ -212,7 +212,7 @@ class _LocationRow extends AnimatedWidget {
     if (entry.isLocated) {
       location = entry.shortAddress;
     } else if (entry.hasGps) {
-      location = toDMS(entry.latLng).join(', ');
+      location = settings.coordinateFormat.format(entry.latLng);
     }
     return Row(
       children: [

lib/widgets/settings/coordinate_format.dart

@@ -0,0 +1,31 @@
+import 'package:aves/model/settings.dart';
+import 'package:flutter/material.dart';
+
+class CoordinateFormatSelector extends StatefulWidget {
+  @override
+  _CoordinateFormatSelectorState createState() => _CoordinateFormatSelectorState();
+}
+
+class _CoordinateFormatSelectorState extends State<CoordinateFormatSelector> {
+  @override
+  Widget build(BuildContext context) {
+    return DropdownButton<CoordinateFormat>(
+      items: CoordinateFormat.values
+          .map((selected) => DropdownMenuItem(
+                value: selected,
+                child: Text(
+                  selected.name,
+                  softWrap: false,
+                  overflow: TextOverflow.fade,
+                  maxLines: 1,
+                ),
+              ))
+          .toList(),
+      value: settings.coordinateFormat,
+      onChanged: (selected) {
+        settings.coordinateFormat = selected;
+        setState(() {});
+      },
+    );
+  }
+}

lib/widgets/settings/launch_page.dart

@@ -0,0 +1,31 @@
+import 'package:aves/model/settings.dart';
+import 'package:flutter/material.dart';
+
+class LaunchPageSelector extends StatefulWidget {
+  @override
+  _LaunchPageSelectorState createState() => _LaunchPageSelectorState();
+}
+
+class _LaunchPageSelectorState extends State<LaunchPageSelector> {
+  @override
+  Widget build(BuildContext context) {
+    return DropdownButton<LaunchPage>(
+      items: LaunchPage.values
+          .map((selected) => DropdownMenuItem(
+                value: selected,
+                child: Text(
+                  selected.name,
+                  softWrap: false,
+                  overflow: TextOverflow.fade,
+                  maxLines: 1,
+                ),
+              ))
+          .toList(),
+      value: settings.launchPage,
+      onChanged: (selected) {
+        settings.launchPage = selected;
+        setState(() {});
+      },
+    );
+  }
+}

lib/widgets/settings/settings_page.dart

@@ -1,6 +1,7 @@
-import 'package:aves/model/settings.dart';
 import 'package:aves/utils/constants.dart';
 import 'package:aves/widgets/common/data_providers/media_query_data_provider.dart';
+import 'package:aves/widgets/settings/coordinate_format.dart';
+import 'package:aves/widgets/settings/launch_page.dart';
 import 'package:flutter/material.dart';
 
 class SettingsPage extends StatelessWidget {
@@ -21,11 +22,19 @@ class SettingsPage extends StatelessWidget {
                 Row(
                   mainAxisSize: MainAxisSize.min,
                   children: [
-                    Text('Launch Page:'),
+                    Text('Launch page:'),
                     SizedBox(width: 8),
                     Flexible(child: LaunchPageSelector()),
                   ],
                 ),
+                Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Text('Coordinate format:'),
+                    SizedBox(width: 8),
+                    Flexible(child: CoordinateFormatSelector()),
+                  ],
+                ),
               ],
             ),
           ),
@@ -34,32 +43,3 @@ class SettingsPage extends StatelessWidget {
     );
   }
 }
-
-class LaunchPageSelector extends StatefulWidget {
-  @override
-  _LaunchPageSelectorState createState() => _LaunchPageSelectorState();
-}
-
-class _LaunchPageSelectorState extends State<LaunchPageSelector> {
-  @override
-  Widget build(BuildContext context) {
-    return DropdownButton<LaunchPage>(
-      items: LaunchPage.values
-          .map((selected) => DropdownMenuItem(
-                value: selected,
-                child: Text(
-                  selected.name,
-                  softWrap: false,
-                  overflow: TextOverflow.fade,
-                  maxLines: 1,
-                ),
-              ))
-          .toList(),
-      value: settings.launchPage,
-      onChanged: (selected) {
-        settings.launchPage = selected;
-        setState(() {});
-      },
-    );
-  }
-}