579 lines
20 KiB
Dart
579 lines
20 KiB
Dart
import 'dart:async';
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import 'package:aves/app_mode.dart';
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import 'package:aves/model/actions/map_actions.dart';
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import 'package:aves/model/actions/map_cluster_actions.dart';
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import 'package:aves/model/entry/entry.dart';
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import 'package:aves/model/entry/extensions/location.dart';
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import 'package:aves/model/filters/coordinate.dart';
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import 'package:aves/model/filters/filters.dart';
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import 'package:aves/model/geotiff.dart';
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import 'package:aves/model/highlight.dart';
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import 'package:aves/model/settings/enums/map_style.dart';
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import 'package:aves/model/settings/settings.dart';
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import 'package:aves/model/source/collection_lens.dart';
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import 'package:aves/model/source/tag.dart';
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import 'package:aves/theme/durations.dart';
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import 'package:aves/theme/icons.dart';
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import 'package:aves/utils/debouncer.dart';
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import 'package:aves/widgets/collection/collection_page.dart';
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import 'package:aves/widgets/collection/entry_set_action_delegate.dart';
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import 'package:aves/widgets/common/basic/font_size_icon_theme.dart';
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import 'package:aves/widgets/common/basic/insets.dart';
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import 'package:aves/widgets/common/basic/popup/menu_row.dart';
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import 'package:aves/widgets/common/basic/scaffold.dart';
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import 'package:aves/widgets/common/behaviour/routes.dart';
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import 'package:aves/widgets/common/extensions/build_context.dart';
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import 'package:aves/widgets/common/identity/buttons/captioned_button.dart';
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import 'package:aves/widgets/common/identity/empty.dart';
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import 'package:aves/widgets/common/map/geo_map.dart';
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import 'package:aves/widgets/common/map/map_action_delegate.dart';
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import 'package:aves/widgets/common/providers/highlight_info_provider.dart';
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import 'package:aves/widgets/common/providers/map_theme_provider.dart';
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import 'package:aves/widgets/common/thumbnail/scroller.dart';
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import 'package:aves/widgets/filter_grids/common/action_delegates/chip.dart';
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import 'package:aves/widgets/map/map_info_row.dart';
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import 'package:aves/widgets/viewer/controls/notifications.dart';
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import 'package:aves/widgets/viewer/entry_viewer_page.dart';
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import 'package:aves_map/aves_map.dart';
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import 'package:collection/collection.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/scheduler.dart';
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import 'package:latlong2/latlong.dart';
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import 'package:provider/provider.dart';
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class MapPage extends StatelessWidget {
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static const routeName = '/collection/map';
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final CollectionLens collection;
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final AvesEntry? initialEntry;
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final MappedGeoTiff? overlayEntry;
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const MapPage({
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super.key,
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required this.collection,
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this.initialEntry,
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this.overlayEntry,
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});
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@override
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Widget build(BuildContext context) {
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// do not rely on the `HighlightInfoProvider` app level
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// as the map can be stacked on top of other pages
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// that catch highlight events and will not let it bubble up
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return HighlightInfoProvider(
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child: AvesScaffold(
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body: SafeArea(
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left: false,
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top: false,
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right: false,
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bottom: true,
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child: _Content(
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collection: collection,
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initialEntry: initialEntry,
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overlayEntry: overlayEntry,
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),
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),
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),
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);
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}
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}
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class _Content extends StatefulWidget {
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final CollectionLens collection;
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final AvesEntry? initialEntry;
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final MappedGeoTiff? overlayEntry;
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const _Content({
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required this.collection,
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this.initialEntry,
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this.overlayEntry,
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});
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@override
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State<_Content> createState() => _ContentState();
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}
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class _ContentState extends State<_Content> with SingleTickerProviderStateMixin {
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final List<StreamSubscription> _subscriptions = [];
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final AvesMapController _mapController = AvesMapController();
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final ValueNotifier<bool> _isPageAnimatingNotifier = ValueNotifier(false);
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final ValueNotifier<int?> _selectedIndexNotifier = ValueNotifier(0);
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final ValueNotifier<CollectionLens?> _regionCollectionNotifier = ValueNotifier(null);
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final ValueNotifier<LatLng?> _dotLocationNotifier = ValueNotifier(null);
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final ValueNotifier<AvesEntry?> _dotEntryNotifier = ValueNotifier(null), _infoEntryNotifier = ValueNotifier(null);
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final ValueNotifier<double> _overlayOpacityNotifier = ValueNotifier(1);
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final Debouncer _infoDebouncer = Debouncer(delay: Durations.mapInfoDebounceDelay);
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final ValueNotifier<bool> _overlayVisible = ValueNotifier(true);
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late AnimationController _overlayAnimationController;
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late Animation<double> _overlayScale, _scrollerSize;
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CoordinateFilter? _regionFilter;
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CollectionLens? get regionCollection => _regionCollectionNotifier.value;
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CollectionLens get openingCollection => widget.collection;
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@override
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void initState() {
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super.initState();
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if (ExtraEntryMapStyle.isHeavy(settings.mapStyle)) {
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_isPageAnimatingNotifier.value = true;
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Future.delayed(Durations.pageTransitionAnimation * timeDilation).then((_) {
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if (!mounted) return;
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_isPageAnimatingNotifier.value = false;
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});
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}
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_dotEntryNotifier.addListener(_onSelectedEntryChanged);
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_overlayAnimationController = AnimationController(
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duration: context.read<DurationsData>().viewerOverlayAnimation,
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vsync: this,
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);
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_overlayScale = CurvedAnimation(
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parent: _overlayAnimationController,
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curve: Curves.easeOutBack,
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);
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_scrollerSize = CurvedAnimation(
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parent: _overlayAnimationController,
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curve: Curves.easeOutQuad,
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);
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_overlayVisible.addListener(_onOverlayVisibleChanged);
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_subscriptions.add(_mapController.idleUpdates.listen((event) => _onIdle(event.bounds)));
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_subscriptions.add(openingCollection.source.eventBus.on<CatalogMetadataChangedEvent>().listen((e) => _updateRegionCollection()));
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_selectedIndexNotifier.addListener(_onThumbnailIndexChanged);
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Future.delayed(Durations.pageTransitionAnimation * timeDilation + const Duration(seconds: 1), () {
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final regionEntries = regionCollection?.sortedEntries ?? [];
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final initialEntry = widget.initialEntry ?? regionEntries.firstOrNull;
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if (initialEntry != null) {
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final index = regionEntries.indexOf(initialEntry);
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if (index != -1) {
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_selectedIndexNotifier.value = index;
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}
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_onEntrySelected(initialEntry);
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}
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});
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WidgetsBinding.instance.addPostFrameCallback((_) => _onOverlayVisibleChanged(animate: false));
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}
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@override
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void dispose() {
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_subscriptions
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..forEach((sub) => sub.cancel())
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..clear();
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_dotEntryNotifier.value?.metadataChangeNotifier.removeListener(_onMarkerEntryMetadataChanged);
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_dotEntryNotifier.removeListener(_onSelectedEntryChanged);
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_overlayAnimationController.dispose();
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_overlayVisible.removeListener(_onOverlayVisibleChanged);
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_mapController.dispose();
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_selectedIndexNotifier.removeListener(_onThumbnailIndexChanged);
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regionCollection?.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return NotificationListener(
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onNotification: (notification) {
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if (notification is FilterSelectedNotification) {
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_goToCollection(notification.filter);
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} else if (notification is ReverseFilterNotification) {
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_goToCollection(notification.reversedFilter);
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} else {
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return false;
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}
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return true;
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},
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child: Selector<Settings, EntryMapStyle?>(
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selector: (context, s) => s.mapStyle,
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builder: (context, mapStyle, child) {
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late Widget scroller;
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if (ExtraEntryMapStyle.isHeavy(mapStyle)) {
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// the map widget is too heavy for a smooth resizing animation
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// so we just toggle visibility when overlay animation is done
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scroller = ValueListenableBuilder<double>(
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valueListenable: _overlayAnimationController,
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builder: (context, animation, child) {
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return Visibility(
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visible: !_overlayAnimationController.isDismissed,
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child: child!,
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);
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},
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child: child,
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);
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} else {
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// the map widget is light enough for a smooth resizing animation
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scroller = FadeTransition(
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opacity: _scrollerSize,
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child: SizeTransition(
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sizeFactor: _scrollerSize,
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axisAlignment: 1.0,
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child: child,
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),
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);
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}
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return Column(
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children: [
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Expanded(child: _buildMap()),
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scroller,
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],
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);
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},
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const SizedBox(height: 8),
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const Divider(height: 0),
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_buildOverlayController(),
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_buildScroller(),
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],
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),
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),
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);
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}
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Widget _buildMap() {
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Widget child = MapTheme(
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interactive: true,
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showCoordinateFilter: true,
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navigationButton: MapNavigationButton.back,
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scale: _overlayScale,
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child: GeoMap(
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// key is expected by test driver
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key: const Key('map_view'),
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controller: _mapController,
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collectionListenable: openingCollection,
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entries: openingCollection.sortedEntries,
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initialCenter: widget.initialEntry?.latLng ?? widget.overlayEntry?.center,
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isAnimatingNotifier: _isPageAnimatingNotifier,
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dotLocationNotifier: _dotLocationNotifier,
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overlayOpacityNotifier: _overlayOpacityNotifier,
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overlayEntry: widget.overlayEntry,
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onMapTap: (_) => _toggleOverlay(),
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onMarkerTap: (location, entry) async {
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final index = regionCollection?.sortedEntries.indexOf(entry);
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if (index != null && _selectedIndexNotifier.value != index) {
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_selectedIndexNotifier.value = index;
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}
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await Future.delayed(const Duration(milliseconds: 500));
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context.read<HighlightInfo>().set(entry);
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},
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onMarkerLongPress: _onMarkerLongPress,
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),
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);
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if (settings.useTvLayout) {
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child = DirectionalSafeArea(
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top: false,
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end: false,
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bottom: false,
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child: Row(
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children: [
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Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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MapAction.selectStyle,
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MapAction.zoomIn,
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MapAction.zoomOut,
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]
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.mapIndexed((i, action) => Padding(
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padding: const EdgeInsets.symmetric(vertical: 8),
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child: CaptionedButton(
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icon: action.getIcon(),
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caption: action.getText(context),
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autofocus: i == 0,
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onPressed: () => MapActionDelegate(_mapController).onActionSelected(context, action),
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),
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))
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.toList(),
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),
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const SizedBox(width: 16),
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Expanded(child: child),
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],
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),
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);
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}
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return child;
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}
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Widget _buildOverlayController() {
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if (widget.overlayEntry == null) return const SizedBox();
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: ValueListenableBuilder<double>(
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valueListenable: _overlayOpacityNotifier,
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builder: (context, overlayOpacity, child) {
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return Row(
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children: [
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const Icon(AIcons.opacity),
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Expanded(
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child: Slider(
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value: _overlayOpacityNotifier.value,
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onChanged: (v) => _overlayOpacityNotifier.value = v,
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min: 0,
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max: 1,
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),
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),
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],
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);
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},
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),
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);
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}
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Widget _buildScroller() {
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return Stack(
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children: [
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SafeArea(
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top: false,
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bottom: false,
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child: MapInfoRow(entryNotifier: _infoEntryNotifier),
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),
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const SizedBox(height: 8),
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Selector<MediaQueryData, double>(
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selector: (context, mq) => mq.size.width,
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builder: (context, mqWidth, child) => ValueListenableBuilder<CollectionLens?>(
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valueListenable: _regionCollectionNotifier,
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builder: (context, regionCollection, child) {
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return AnimatedBuilder(
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// update when entries are added/removed
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animation: regionCollection ?? ChangeNotifier(),
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builder: (context, child) {
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final regionEntries = regionCollection?.sortedEntries ?? [];
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return ThumbnailScroller(
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availableWidth: mqWidth,
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entryCount: regionEntries.length,
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entryBuilder: (index) => index < regionEntries.length ? regionEntries[index] : null,
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indexNotifier: _selectedIndexNotifier,
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onTap: _onThumbnailTap,
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heroTagger: (entry) => Object.hashAll([regionCollection?.id, entry.id]),
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highlightable: true,
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showLocation: false,
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);
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},
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);
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},
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),
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),
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],
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),
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Positioned.fill(
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child: ValueListenableBuilder<CollectionLens?>(
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valueListenable: _regionCollectionNotifier,
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builder: (context, regionCollection, child) {
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return regionCollection != null && regionCollection.isEmpty
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? EmptyContent(
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text: context.l10n.mapEmptyRegion,
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alignment: Alignment.center,
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fontSize: 18,
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)
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: const SizedBox();
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},
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),
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),
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],
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);
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}
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void _onIdle(ZoomedBounds bounds) {
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_regionFilter = CoordinateFilter(bounds.sw, bounds.ne);
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_updateRegionCollection();
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}
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void _updateRegionCollection() {
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final regionFilter = _regionFilter;
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if (regionFilter == null) return;
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AvesEntry? selectedEntry;
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if (regionCollection != null) {
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final regionEntries = regionCollection!.sortedEntries;
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final selectedIndex = _selectedIndexNotifier.value;
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selectedEntry = selectedIndex != null && 0 <= selectedIndex && selectedIndex < regionEntries.length ? regionEntries[selectedIndex] : null;
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}
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final oldRegionCollection = regionCollection;
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final newRegionCollection = openingCollection.copyWith(
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filters: {
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...openingCollection.filters.whereNot((v) => v is CoordinateFilter),
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regionFilter,
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},
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);
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_regionCollectionNotifier.value = newRegionCollection;
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oldRegionCollection?.dispose();
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// get entries from the new collection, so the entry order is the same
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// as the one used by the thumbnail scroller (considering sort/section/group)
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final regionEntries = regionCollection!.sortedEntries;
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final selectedIndex = (selectedEntry != null && regionEntries.contains(selectedEntry))
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? regionEntries.indexOf(selectedEntry)
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: regionEntries.isEmpty
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? null
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: 0;
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_selectedIndexNotifier.value = selectedIndex;
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// force update, as the region entries may change without a change of index
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_onThumbnailIndexChanged();
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}
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AvesEntry? _getRegionEntry(int? index) {
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if (index != null && index >= 0 && regionCollection != null) {
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final regionEntries = regionCollection!.sortedEntries;
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if (index < regionEntries.length) {
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return regionEntries[index];
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}
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}
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return null;
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}
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void _onThumbnailTap(int index) => _goToViewer(_getRegionEntry(index));
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void _onThumbnailIndexChanged() => _onEntrySelected(_getRegionEntry(_selectedIndexNotifier.value));
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void _onEntrySelected(AvesEntry? selectedEntry) {
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_dotEntryNotifier.value?.metadataChangeNotifier.removeListener(_onMarkerEntryMetadataChanged);
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_dotEntryNotifier.value = selectedEntry;
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selectedEntry?.metadataChangeNotifier.addListener(_onMarkerEntryMetadataChanged);
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_onMarkerEntryMetadataChanged();
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}
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void _onMarkerEntryMetadataChanged() {
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_dotLocationNotifier.value = _dotEntryNotifier.value?.latLng;
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}
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void _onSelectedEntryChanged() {
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final selectedEntry = _dotEntryNotifier.value;
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if (_infoEntryNotifier.value == null || selectedEntry == null) {
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_infoEntryNotifier.value = selectedEntry;
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} else {
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_infoDebouncer(() => _infoEntryNotifier.value = selectedEntry);
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}
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}
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void _goToViewer(AvesEntry? initialEntry) {
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if (initialEntry == null) return;
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Navigator.maybeOf(context)?.push(
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TransparentMaterialPageRoute(
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settings: const RouteSettings(name: EntryViewerPage.routeName),
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pageBuilder: (context, a, sa) {
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return EntryViewerPage(
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collection: regionCollection?.copyWith(
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listenToSource: false,
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),
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initialEntry: initialEntry,
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);
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},
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),
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);
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}
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void _goToCollection(CollectionFilter filter) {
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final isMainMode = context.read<ValueNotifier<AppMode>>().value == AppMode.main;
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if (!isMainMode) return;
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Navigator.maybeOf(context)?.pushAndRemoveUntil(
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MaterialPageRoute(
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settings: const RouteSettings(name: CollectionPage.routeName),
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builder: (context) => CollectionPage(
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source: openingCollection.source,
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filters: {...openingCollection.filters, filter},
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),
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),
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(route) => false,
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);
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}
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// overlay
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void _toggleOverlay() => _overlayVisible.value = !_overlayVisible.value;
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Future<void> _onOverlayVisibleChanged({bool animate = true}) async {
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if (_overlayVisible.value) {
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if (animate) {
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await _overlayAnimationController.forward();
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} else {
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_overlayAnimationController.value = _overlayAnimationController.upperBound;
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}
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} else {
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if (animate) {
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await _overlayAnimationController.reverse();
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} else {
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_overlayAnimationController.reset();
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}
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}
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}
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|
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// cluster context menu
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|
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Future<void> _onMarkerLongPress(
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LatLng markerLocation,
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AvesEntry markerEntry,
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Set<AvesEntry> clusterEntries,
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Offset tapLocalPosition,
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WidgetBuilder markerBuilder,
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) async {
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final overlay = Overlay.of(context).context.findRenderObject() as RenderBox;
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const touchArea = Size(kMinInteractiveDimension, kMinInteractiveDimension);
|
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final selectedAction = await showMenu<MapClusterAction>(
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context: context,
|
|
position: RelativeRect.fromRect(tapLocalPosition & touchArea, Offset.zero & overlay.size),
|
|
items: [
|
|
PopupMenuItem(
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
markerBuilder(context),
|
|
const SizedBox(width: 16),
|
|
Text(context.l10n.itemCount(clusterEntries.length)),
|
|
],
|
|
),
|
|
),
|
|
const PopupMenuDivider(),
|
|
...[
|
|
MapClusterAction.editLocation,
|
|
MapClusterAction.removeLocation,
|
|
].map(_buildMenuItem),
|
|
],
|
|
);
|
|
if (selectedAction != null) {
|
|
// wait for the popup menu to hide before proceeding with the action
|
|
await Future.delayed(Durations.popupMenuAnimation * timeDilation);
|
|
final delegate = EntrySetActionDelegate();
|
|
switch (selectedAction) {
|
|
case MapClusterAction.editLocation:
|
|
final regionEntries = regionCollection?.sortedEntries ?? [];
|
|
final markerIndex = regionEntries.indexOf(markerEntry);
|
|
final location = await delegate.editLocationByMap(context, clusterEntries, markerLocation, openingCollection);
|
|
if (location != null) {
|
|
if (markerIndex != -1) {
|
|
_selectedIndexNotifier.value = markerIndex;
|
|
}
|
|
_mapController.moveTo(location);
|
|
}
|
|
break;
|
|
case MapClusterAction.removeLocation:
|
|
await delegate.removeLocation(context, clusterEntries);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
PopupMenuItem<MapClusterAction> _buildMenuItem(MapClusterAction action) {
|
|
return PopupMenuItem(
|
|
value: action,
|
|
child: FontSizeIconTheme(
|
|
child: MenuRow(
|
|
text: action.getText(context),
|
|
icon: action.getIcon(),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|