786 lines
25 KiB
Dart
786 lines
25 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:provider/provider.dart';
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import 'package:dio/dio.dart';
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import '../../../focus/dpad_navigator.dart';
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import '../../../../services/plex_client.dart';
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import '../../../models/plex_metadata.dart';
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import '../../../models/plex_filter.dart';
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import '../../../models/plex_sort.dart';
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import '../../../providers/settings_provider.dart';
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import '../../../utils/error_message_utils.dart';
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import '../../../utils/grid_size_calculator.dart';
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import '../../../widgets/focusable_media_card.dart';
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import '../../../widgets/focusable_filter_chip.dart';
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import '../../../widgets/media_grid_delegate.dart';
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import '../../../mixins/library_tab_focus_mixin.dart';
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import '../folder_tree_view.dart';
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import '../filters_bottom_sheet.dart';
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import '../sort_bottom_sheet.dart';
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import '../state_messages.dart';
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import '../../../services/storage_service.dart';
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import '../../../services/settings_service.dart' show ViewMode, EpisodePosterMode;
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import '../../../mixins/item_updatable.dart';
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import '../../../i18n/strings.g.dart';
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import '../../main_screen.dart';
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import 'base_library_tab.dart';
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/// Browse tab for library screen
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/// Shows library items with grouping, filtering, and sorting
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class LibraryBrowseTab extends BaseLibraryTab<PlexMetadata> {
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const LibraryBrowseTab({
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super.key,
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required super.library,
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super.viewMode,
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super.density,
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super.onDataLoaded,
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super.isActive,
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super.suppressAutoFocus,
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super.onBack,
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});
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@override
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State<LibraryBrowseTab> createState() => _LibraryBrowseTabState();
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}
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class _LibraryBrowseTabState extends BaseLibraryTabState<PlexMetadata, LibraryBrowseTab>
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with ItemUpdatable, LibraryTabFocusMixin {
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@override
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PlexClient get client => getClientForLibrary();
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@override
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String get focusNodeDebugLabel => 'browse_first_item';
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@override
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int get itemCount => items.length;
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@override
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void updateItemInLists(String ratingKey, PlexMetadata updatedMetadata) {
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setState(() {
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final index = items.indexWhere((item) => item.ratingKey == ratingKey);
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if (index != -1) {
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items[index] = updatedMetadata;
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}
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});
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}
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// Browse-specific state (not in base class)
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List<PlexFilter> _filters = [];
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List<PlexSort> _sortOptions = [];
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Map<String, String> _selectedFilters = {};
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PlexSort? _selectedSort;
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bool _isSortDescending = false;
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String _selectedGrouping = 'all'; // all, seasons, episodes, folders
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// Pagination state
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int _currentPage = 0;
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bool _hasMoreItems = true;
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CancelToken? _cancelToken;
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int _requestId = 0;
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static const int _pageSize = 500;
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// Focus nodes for filter chips
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final FocusNode _groupingChipFocusNode = FocusNode(debugLabel: 'grouping_chip');
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final FocusNode _filtersChipFocusNode = FocusNode(debugLabel: 'filters_chip');
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final FocusNode _sortChipFocusNode = FocusNode(debugLabel: 'sort_chip');
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// Focus tracking for grid items
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int? _lastFocusedIndex;
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int _contentVersion = 0;
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int _lastFocusedContentVersion = 0;
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final Map<int, FocusNode> _gridItemFocusNodes = {};
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// Scroll controller for the CustomScrollView
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final ScrollController _scrollController = ScrollController();
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@override
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void dispose() {
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_cancelToken?.cancel();
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_scrollController.dispose();
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_groupingChipFocusNode.dispose();
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_filtersChipFocusNode.dispose();
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_sortChipFocusNode.dispose();
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// Dispose all grid item focus nodes
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for (final node in _gridItemFocusNodes.values) {
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node.dispose();
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}
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_gridItemFocusNodes.clear();
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super.dispose();
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}
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/// Get or create a focus node for a grid item at the given index
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FocusNode _getGridItemFocusNode(int index) {
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return _gridItemFocusNodes.putIfAbsent(index, () => FocusNode(debugLabel: 'browse_grid_item_$index'));
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}
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/// Clean up focus nodes for items that no longer exist
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void _cleanupFocusNodes() {
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final keysToRemove = _gridItemFocusNodes.keys.where((index) => index >= items.length).toList();
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for (final key in keysToRemove) {
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_gridItemFocusNodes[key]?.dispose();
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_gridItemFocusNodes.remove(key);
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}
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}
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// Override loadData to use our custom _loadContent
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@override
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Future<List<PlexMetadata>> loadData() async {
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// This is called by base class loadItems(), but we override loadItems() entirely
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// So this just returns empty - actual loading is done in _loadContent
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return [];
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}
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// Override loadItems to use our custom loading with pagination
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@override
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Future<void> loadItems() async {
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await _loadContent();
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}
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// Required abstract implementations from base class
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@override
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IconData get emptyIcon => Symbols.folder_open_rounded;
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@override
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String get emptyMessage => t.libraries.thisLibraryIsEmpty;
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@override
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String get errorContext => t.libraries.content;
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// Override buildContent - not used since we override build()
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@override
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Widget buildContent(List<PlexMetadata> items) => const SizedBox.shrink();
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/// Focus the first item in the grid/list (for tab activation)
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@override
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void focusFirstItem() {
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if (items.isNotEmpty) {
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// Request immediately, then once more on the next frame to handle cases
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// where the grid/list attaches after the initial focus attempt.
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void request() {
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if (mounted && items.isNotEmpty && !firstItemFocusNode.hasFocus) {
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firstItemFocusNode.requestFocus();
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}
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}
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request();
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WidgetsBinding.instance.addPostFrameCallback((_) => request());
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}
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}
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/// Height of the chips bar (padding + chip + padding)
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static const double _chipsBarHeight = 48.0;
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/// Focus the chips bar (for navigating from tab bar to content).
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/// Called by libraries screen when pressing DOWN on tab bar.
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void focusChipsBar() {
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// If in folders mode, no chips to focus - go directly to folder tree
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if (_selectedGrouping == 'folders') {
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focusFirstItem();
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return;
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}
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// With Stack layout, chips are always visible on top of the grid.
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// No need to scroll - just focus the chip.
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_groupingChipFocusNode.requestFocus();
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}
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Future<void> _loadContent() async {
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// Cancel any pending request
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_cancelToken?.cancel();
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_cancelToken = CancelToken();
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final currentRequestId = ++_requestId;
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// Extract context dependencies before async gap - use server-specific client
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final client = getClientForLibrary();
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setState(() {
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isLoading = true;
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errorMessage = null;
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items = [];
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_currentPage = 0;
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_hasMoreItems = true;
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// Clear filter/sort state while loading to prevent showing stale options
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_filters = [];
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_sortOptions = [];
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_selectedFilters = {};
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_selectedSort = null;
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_isSortDescending = false;
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_selectedGrouping = _getDefaultGrouping();
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});
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try {
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final storage = await StorageService.getInstance();
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// Load filters and sorts for this library
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final filters = await client.getLibraryFilters(widget.library.key);
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final sorts = await client.getLibrarySorts(widget.library.key);
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// Load saved preferences
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final savedFilters = storage.getLibraryFilters(sectionId: widget.library.globalKey);
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final savedSort = storage.getLibrarySort(widget.library.globalKey);
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final savedGrouping = storage.getLibraryGrouping(widget.library.globalKey);
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// Check if request was cancelled
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if (currentRequestId != _requestId) return;
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setState(() {
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_filters = filters;
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_sortOptions = sorts;
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_selectedFilters = Map.from(savedFilters);
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_selectedGrouping = savedGrouping ?? _getDefaultGrouping();
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// Restore sort
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if (savedSort != null) {
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final sortKey = savedSort['key'] as String?;
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if (sortKey != null) {
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final sort = sorts.where((s) => s.key == sortKey).firstOrNull;
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if (sort != null) {
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_selectedSort = sort;
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_isSortDescending = (savedSort['descending'] as bool?) ?? false;
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}
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}
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}
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});
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// Load items
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await _loadItems();
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} catch (e) {
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_handleLoadError(e, currentRequestId);
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}
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}
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Future<void> _loadItems({bool loadMore = false}) async {
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if (loadMore && isLoading) return;
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if (!loadMore) {
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_currentPage = 0;
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_hasMoreItems = true;
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}
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if (!_hasMoreItems) return;
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final currentRequestId = _requestId;
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_cancelToken?.cancel();
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_cancelToken = CancelToken();
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setState(() {
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isLoading = true;
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if (!loadMore) {
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items = [];
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// Increment content version when loading fresh content
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// This invalidates the last focused index
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_contentVersion++;
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_cleanupFocusNodes();
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}
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});
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try {
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// Use server-specific client for this library
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final client = getClientForLibrary();
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// Build filter params
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final filterParams = Map<String, String>.from(_selectedFilters);
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// Add grouping type filter (but not for 'all' or 'folders')
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if (_selectedGrouping != 'all' && _selectedGrouping != 'folders') {
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final typeId = _getGroupingTypeId();
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if (typeId.isNotEmpty) {
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filterParams['type'] = typeId;
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}
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}
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// Add sort
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if (_selectedSort != null) {
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filterParams['sort'] = _selectedSort!.getSortKey(descending: _isSortDescending);
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}
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// Items are automatically tagged with server info by PlexClient
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final loadedItems = await client.getLibraryContent(
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widget.library.key,
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start: _currentPage * _pageSize,
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size: _pageSize,
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filters: filterParams,
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cancelToken: _cancelToken,
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);
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if (currentRequestId != _requestId) return;
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setState(() {
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if (loadMore) {
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items.addAll(loadedItems);
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} else {
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items = loadedItems;
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}
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_hasMoreItems = loadedItems.length >= _pageSize;
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_currentPage++;
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isLoading = false;
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});
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// On initial load (not pagination), mark data as loaded and try to focus
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if (!loadMore) {
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hasLoadedData = true;
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tryFocus();
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// Notify parent
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if (widget.onDataLoaded != null) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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widget.onDataLoaded!();
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});
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}
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}
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} catch (e) {
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_handleLoadError(e, currentRequestId);
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}
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}
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void _handleLoadError(dynamic error, int currentRequestId) {
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if (currentRequestId != _requestId) return;
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setState(() {
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errorMessage = _getErrorMessage(error);
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isLoading = false;
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});
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}
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String _getDefaultGrouping() {
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final type = widget.library.type.toLowerCase();
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if (type == 'show') {
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return 'shows';
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} else if (type == 'movie') {
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return 'movies';
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}
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return 'all';
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}
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String _getGroupingTypeId() {
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switch (_selectedGrouping) {
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case 'movies':
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return '1';
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case 'shows':
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return '2';
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case 'seasons':
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return '3';
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case 'episodes':
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return '4';
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default:
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return '';
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}
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}
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List<String> _getGroupingOptions() {
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final type = widget.library.type.toLowerCase();
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if (type == 'show') {
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return ['shows', 'seasons', 'episodes', 'folders'];
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} else if (type == 'movie') {
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return ['movies', 'folders'];
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}
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// All library types support folder browsing
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return ['all', 'folders'];
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}
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String _getGroupingLabel(String grouping) {
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switch (grouping) {
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case 'movies':
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return t.libraries.groupings.movies;
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case 'shows':
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return t.libraries.groupings.shows;
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case 'seasons':
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return t.libraries.groupings.seasons;
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case 'episodes':
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return t.libraries.groupings.episodes;
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case 'folders':
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return t.libraries.groupings.folders;
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default:
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return t.libraries.groupings.all;
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}
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}
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String _getErrorMessage(dynamic error) {
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if (error is DioException) {
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return mapDioErrorToMessage(error, context: t.libraries.content);
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}
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return mapUnexpectedErrorToMessage(error, context: t.libraries.content);
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}
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void _showGroupingBottomSheet() {
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SelectKeyUpSuppressor.suppressSelectUntilKeyUp();
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var pendingGrouping = _selectedGrouping;
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showModalBottomSheet(
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context: context,
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builder: (sheetContext) {
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final options = _getGroupingOptions();
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return StatefulBuilder(
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builder: (context, setSheetState) {
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return ListView.builder(
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shrinkWrap: true,
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itemCount: options.length,
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itemBuilder: (context, index) {
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final grouping = options[index];
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return RadioListTile<String>(
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title: Text(_getGroupingLabel(grouping)),
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value: grouping,
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groupValue: pendingGrouping,
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onChanged: (value) {
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if (value == null) return;
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setSheetState(() {
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pendingGrouping = value;
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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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).then((_) {
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if (!mounted) return;
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if (pendingGrouping == _selectedGrouping) return;
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setState(() {
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_selectedGrouping = pendingGrouping;
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});
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StorageService.getInstance().then((storage) {
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storage.saveLibraryGrouping(widget.library.globalKey, pendingGrouping);
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});
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_loadItems();
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});
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}
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void _showFiltersBottomSheet() {
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SelectKeyUpSuppressor.suppressSelectUntilKeyUp();
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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builder: (context) => FiltersBottomSheet(
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filters: _filters,
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selectedFilters: _selectedFilters,
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serverId: widget.library.serverId!,
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onFiltersChanged: (filters) async {
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setState(() {
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_selectedFilters.clear();
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_selectedFilters.addAll(filters);
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});
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// Save filters to storage
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final storage = await StorageService.getInstance();
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await storage.saveLibraryFilters(filters, sectionId: widget.library.globalKey);
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_loadItems();
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},
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),
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);
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}
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void _showSortBottomSheet() {
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SelectKeyUpSuppressor.suppressSelectUntilKeyUp();
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// Track pending state in local variables so the callbacks don't trigger
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// setState/_loadItems while the sheet is open (which would steal focus).
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PlexSort? pendingSort = _selectedSort;
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bool pendingDescending = _isSortDescending;
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bool pendingCleared = false;
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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builder: (context) => SortBottomSheet(
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sortOptions: _sortOptions,
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selectedSort: _selectedSort,
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isSortDescending: _isSortDescending,
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onSortChanged: (sort, descending) {
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pendingSort = sort;
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pendingDescending = descending;
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pendingCleared = false;
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},
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onClear: () {
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pendingSort = null;
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pendingDescending = false;
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pendingCleared = true;
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},
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),
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).then((_) {
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if (!mounted) return;
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if (pendingCleared) {
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setState(() {
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_selectedSort = null;
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_isSortDescending = false;
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});
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_loadItems();
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} else if (pendingSort != null &&
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(pendingSort!.key != _selectedSort?.key || pendingDescending != _isSortDescending)) {
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setState(() {
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_selectedSort = pendingSort;
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_isSortDescending = pendingDescending;
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});
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StorageService.getInstance().then((storage) {
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storage.saveLibrarySort(widget.library.globalKey, pendingSort!.key, descending: pendingDescending);
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});
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_loadItems();
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}
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});
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}
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/// Navigate focus from chips down to the grid item.
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/// Restores focus to the previously focused item if content hasn't changed.
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void _navigateToGrid() {
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if (items.isEmpty) return;
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// Check if we should restore focus to the last focused item
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final shouldRestoreFocus =
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_lastFocusedIndex != null && _lastFocusedContentVersion == _contentVersion && _lastFocusedIndex! < items.length;
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final targetIndex = shouldRestoreFocus ? _lastFocusedIndex! : 0;
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// Use firstItemFocusNode for index 0 (matches _buildMediaCardItem)
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if (targetIndex == 0) {
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firstItemFocusNode.requestFocus();
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} else {
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_getGridItemFocusNode(targetIndex).requestFocus();
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}
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}
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/// Navigate focus from grid up to the grouping chip
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void _navigateToChips() {
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_groupingChipFocusNode.requestFocus();
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}
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/// Navigate focus to the sidebar
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void _navigateToSidebar() {
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MainScreenFocusScope.of(context)?.focusSidebar();
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}
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@override
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Widget build(BuildContext context) {
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super.build(context); // Required for AutomaticKeepAliveClientMixin
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// For folders mode, use FolderTreeView instead of grid/list
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if (_selectedGrouping == 'folders') {
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return Column(
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children: [
|
|
_buildChipsBar(),
|
|
Expanded(
|
|
child: FolderTreeView(
|
|
libraryKey: widget.library.key,
|
|
serverId: widget.library.serverId,
|
|
onRefresh: updateItem,
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
// For list/grid modes, use Stack with chips layered on top of grid.
|
|
// This allows the grid to use Clip.none for focus decorations while
|
|
// the chips bar (with background) covers any overflow at the top.
|
|
return Stack(
|
|
children: [
|
|
// Grid fills the entire area, with top padding for chips bar
|
|
Positioned.fill(child: _buildScrollableContent()),
|
|
// Chips bar on top with solid background
|
|
Positioned(top: 0, left: 0, right: 0, child: _buildChipsBar()),
|
|
],
|
|
);
|
|
}
|
|
|
|
/// Builds the scrollable content (grid/list) with pagination support
|
|
Widget _buildScrollableContent() {
|
|
return NotificationListener<ScrollNotification>(
|
|
onNotification: (notification) {
|
|
if (notification.metrics.pixels >= notification.metrics.maxScrollExtent - 300 && _hasMoreItems && !isLoading) {
|
|
_loadItems(loadMore: true);
|
|
}
|
|
return false;
|
|
},
|
|
child: CustomScrollView(
|
|
controller: _scrollController,
|
|
// Allow focus decoration to render outside scroll bounds
|
|
clipBehavior: Clip.none,
|
|
slivers: _buildContentSlivers(),
|
|
),
|
|
);
|
|
}
|
|
|
|
/// Whether the filters chip is visible
|
|
bool get _isFiltersChipVisible => _filters.isNotEmpty && _selectedGrouping != 'folders';
|
|
|
|
/// Whether the sort chip is visible
|
|
bool get _isSortChipVisible => _sortOptions.isNotEmpty && _selectedGrouping != 'folders';
|
|
|
|
/// Builds the chips bar widget
|
|
Widget _buildChipsBar() {
|
|
return Container(
|
|
color: Theme.of(context).scaffoldBackgroundColor,
|
|
padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
|
|
alignment: Alignment.centerLeft,
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
// Grouping chip
|
|
FocusableFilterChip(
|
|
focusNode: _groupingChipFocusNode,
|
|
icon: Symbols.category_rounded,
|
|
label: _getGroupingLabel(_selectedGrouping),
|
|
onPressed: _showGroupingBottomSheet,
|
|
onNavigateDown: _navigateToGrid,
|
|
onNavigateUp: widget.onBack,
|
|
onNavigateLeft: _navigateToSidebar,
|
|
onNavigateRight: _isFiltersChipVisible
|
|
? () => _filtersChipFocusNode.requestFocus()
|
|
: _isSortChipVisible
|
|
? () => _sortChipFocusNode.requestFocus()
|
|
: null,
|
|
onBack: widget.onBack,
|
|
),
|
|
const SizedBox(width: 8),
|
|
// Filters chip
|
|
if (_isFiltersChipVisible)
|
|
FocusableFilterChip(
|
|
focusNode: _filtersChipFocusNode,
|
|
icon: Symbols.filter_alt_rounded,
|
|
label: _selectedFilters.isEmpty
|
|
? t.libraries.filters
|
|
: t.libraries.filtersWithCount(count: _selectedFilters.length),
|
|
onPressed: _showFiltersBottomSheet,
|
|
onNavigateDown: _navigateToGrid,
|
|
onNavigateUp: widget.onBack,
|
|
onNavigateLeft: () => _groupingChipFocusNode.requestFocus(),
|
|
onNavigateRight: _isSortChipVisible ? () => _sortChipFocusNode.requestFocus() : null,
|
|
onBack: widget.onBack,
|
|
),
|
|
if (_isFiltersChipVisible) const SizedBox(width: 8),
|
|
// Sort chip
|
|
if (_isSortChipVisible)
|
|
FocusableFilterChip(
|
|
focusNode: _sortChipFocusNode,
|
|
icon: Symbols.sort_rounded,
|
|
label: _selectedSort?.title ?? t.libraries.sort,
|
|
onPressed: _showSortBottomSheet,
|
|
onNavigateDown: _navigateToGrid,
|
|
onNavigateUp: widget.onBack,
|
|
onNavigateLeft: _isFiltersChipVisible
|
|
? () => _filtersChipFocusNode.requestFocus()
|
|
: () => _groupingChipFocusNode.requestFocus(),
|
|
onBack: widget.onBack,
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
/// Builds content as slivers for the CustomScrollView
|
|
List<Widget> _buildContentSlivers() {
|
|
if (isLoading && items.isEmpty) {
|
|
return [const SliverFillRemaining(child: Center(child: CircularProgressIndicator()))];
|
|
}
|
|
|
|
if (errorMessage != null && items.isEmpty) {
|
|
return [
|
|
SliverFillRemaining(
|
|
child: ErrorStateWidget(
|
|
message: errorMessage!,
|
|
icon: Symbols.error_outline_rounded,
|
|
onRetry: _loadContent,
|
|
retryLabel: t.common.retry,
|
|
),
|
|
),
|
|
];
|
|
}
|
|
|
|
if (items.isEmpty) {
|
|
return [
|
|
SliverFillRemaining(
|
|
child: EmptyStateWidget(message: t.libraries.thisLibraryIsEmpty, icon: Symbols.folder_open_rounded),
|
|
),
|
|
];
|
|
}
|
|
|
|
return [
|
|
Consumer<SettingsProvider>(
|
|
builder: (context, settingsProvider, child) {
|
|
return _buildItemsSliver(context, settingsProvider);
|
|
},
|
|
),
|
|
];
|
|
}
|
|
|
|
// Top padding for grid content = chips bar height + extra space for focus decoration
|
|
// Chips bar is ~48px, focus ring extends ~6px beyond item bounds
|
|
static const double _gridTopPadding = _chipsBarHeight + 12.0;
|
|
|
|
/// Builds either a sliver list or sliver grid based on the view mode
|
|
Widget _buildItemsSliver(BuildContext context, SettingsProvider settingsProvider) {
|
|
final itemCount = items.length + (_hasMoreItems && isLoading ? 1 : 0);
|
|
|
|
if (settingsProvider.viewMode == ViewMode.list) {
|
|
// In list view, all items are in a single column (first column)
|
|
return SliverPadding(
|
|
padding: const EdgeInsets.fromLTRB(8, _gridTopPadding, 8, 8),
|
|
sliver: SliverList.builder(
|
|
itemCount: itemCount,
|
|
itemBuilder: (context, index) => _buildMediaCardItem(
|
|
index,
|
|
isFirstRow: index == 0,
|
|
isFirstColumn: true, // List view = single column
|
|
),
|
|
),
|
|
);
|
|
} else {
|
|
// In grid view, calculate columns and pass to item builder
|
|
// Use 16:9 aspect ratio when browsing episodes with episode thumbnail mode
|
|
final useWideRatio =
|
|
_selectedGrouping == 'episodes' && settingsProvider.episodePosterMode == EpisodePosterMode.episodeThumbnail;
|
|
final maxExtent = GridSizeCalculator.getMaxCrossAxisExtent(context, settingsProvider.libraryDensity);
|
|
return SliverPadding(
|
|
padding: const EdgeInsets.fromLTRB(8, _gridTopPadding, 8, 8),
|
|
sliver: SliverLayoutBuilder(
|
|
builder: (context, constraints) {
|
|
final columnCount = GridSizeCalculator.getColumnCount(constraints.crossAxisExtent, maxExtent);
|
|
return SliverGrid.builder(
|
|
gridDelegate: MediaGridDelegate.createDelegate(
|
|
context: context,
|
|
density: settingsProvider.libraryDensity,
|
|
useWideAspectRatio: useWideRatio,
|
|
),
|
|
itemCount: itemCount,
|
|
itemBuilder: (context, index) => _buildMediaCardItem(
|
|
index,
|
|
isFirstRow: GridSizeCalculator.isFirstRow(index, columnCount),
|
|
isFirstColumn: GridSizeCalculator.isFirstColumn(index, columnCount),
|
|
),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
Widget _buildMediaCardItem(int index, {required bool isFirstRow, required bool isFirstColumn}) {
|
|
if (index >= items.length) {
|
|
return const Padding(
|
|
padding: EdgeInsets.all(16.0),
|
|
child: Center(child: CircularProgressIndicator()),
|
|
);
|
|
}
|
|
final item = items[index];
|
|
|
|
// Use firstItemFocusNode for index 0 to maintain compatibility with base class
|
|
// All other items get managed focus nodes for restoration
|
|
final focusNode = index == 0 ? firstItemFocusNode : _getGridItemFocusNode(index);
|
|
|
|
return FocusableMediaCard(
|
|
key: Key(item.ratingKey),
|
|
item: item,
|
|
focusNode: focusNode,
|
|
onRefresh: updateItem,
|
|
onNavigateUp: isFirstRow ? _navigateToChips : null,
|
|
onNavigateLeft: isFirstColumn ? _navigateToSidebar : null,
|
|
onBack: widget.onBack,
|
|
onFocusChange: (hasFocus) {
|
|
if (hasFocus) {
|
|
// Track the focused index and current content version
|
|
_lastFocusedIndex = index;
|
|
_lastFocusedContentVersion = _contentVersion;
|
|
}
|
|
},
|
|
onListRefresh: _loadItems,
|
|
);
|
|
}
|
|
}
|