52 lines
2 KiB
Dart
52 lines
2 KiB
Dart
import 'package:aves/l10n/l10n.dart';
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import 'package:aves/utils/geo_utils.dart';
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import 'package:aves/widgets/common/extensions/build_context.dart';
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import 'package:flutter/widgets.dart';
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import 'package:intl/intl.dart';
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import 'package:latlong2/latlong.dart';
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import 'enums.dart';
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extension ExtraCoordinateFormat on CoordinateFormat {
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String getName(BuildContext context) {
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switch (this) {
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case CoordinateFormat.dms:
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return context.l10n.coordinateFormatDms;
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case CoordinateFormat.decimal:
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return context.l10n.coordinateFormatDecimal;
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}
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}
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static const _separator = ', ';
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String format(AppLocalizations l10n, LatLng latLng, {bool minuteSecondPadding = false, int dmsSecondDecimals = 2}) {
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switch (this) {
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case CoordinateFormat.dms:
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return toDMS(l10n, latLng, minuteSecondPadding: minuteSecondPadding, secondDecimals: dmsSecondDecimals).join(_separator);
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case CoordinateFormat.decimal:
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return _toDecimal(l10n, latLng).join(_separator);
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}
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}
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// returns coordinates formatted as DMS, e.g. ['41° 24′ 12.2″ N', '2° 10′ 26.5″ E']
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static List<String> toDMS(AppLocalizations l10n, LatLng latLng, {bool minuteSecondPadding = false, int secondDecimals = 2}) {
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final locale = l10n.localeName;
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final lat = latLng.latitude;
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final lng = latLng.longitude;
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final latSexa = GeoUtils.decimal2sexagesimal(lat, minuteSecondPadding, secondDecimals, locale);
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final lngSexa = GeoUtils.decimal2sexagesimal(lng, minuteSecondPadding, secondDecimals, locale);
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return [
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l10n.coordinateDms(latSexa, lat < 0 ? l10n.coordinateDmsSouth : l10n.coordinateDmsNorth),
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l10n.coordinateDms(lngSexa, lng < 0 ? l10n.coordinateDmsWest : l10n.coordinateDmsEast),
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];
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}
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static List<String> _toDecimal(AppLocalizations l10n, LatLng latLng) {
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final locale = l10n.localeName;
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final formatter = NumberFormat('0.000000°', locale);
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return [
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formatter.format(latLng.latitude),
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formatter.format(latLng.longitude),
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];
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}
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}
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