310 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
			
		
		
	
	
			310 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
| import 'dart:math' as math;
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| 
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| import 'package:easy_localization/easy_localization.dart';
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| import 'package:flutter/material.dart';
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| import 'package:flutter/services.dart';
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| import 'package:gap/gap.dart';
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| import 'package:hooks_riverpod/hooks_riverpod.dart';
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| import 'package:island/models/sticker.dart';
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| import 'package:island/pods/network.dart';
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| import 'package:island/widgets/content/cloud_files.dart';
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| import 'package:material_symbols_icons/symbols.dart';
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| import 'package:riverpod_annotation/riverpod_annotation.dart';
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| import 'package:styled_widget/styled_widget.dart';
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| import 'package:flutter_popup_card/flutter_popup_card.dart';
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| import 'package:island/widgets/extended_refresh_indicator.dart';
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| 
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| part 'sticker_picker.g.dart';
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| 
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| /// Fetch user-added sticker packs (with stickers) from API:
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| /// GET /sphere/stickers/me
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| @riverpod
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| Future<List<SnStickerPack>> myStickerPacks(Ref ref) async {
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|   final api = ref.watch(apiClientProvider);
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|   final resp = await api.get('/sphere/stickers/me');
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|   final data = resp.data;
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|   if (data is List) {
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|     return data
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|         .map((e) => SnStickerPack.fromJson(e as Map<String, dynamic>))
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|         .toList();
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|   }
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|   return const <SnStickerPack>[];
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| }
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| 
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| /// Sticker Picker popover dialog
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| /// - Displays user-owned sticker packs as tabs (chips)
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| /// - Shows grid of stickers in selected pack
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| /// - On tap, returns placeholder string :{prefix}+{slug}: via onPick callback
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| class StickerPicker extends HookConsumerWidget {
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|   final void Function(String placeholder) onPick;
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| 
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|   const StickerPicker({super.key, required this.onPick});
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| 
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|   @override
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|   Widget build(BuildContext context, WidgetRef ref) {
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|     final packsAsync = ref.watch(myStickerPacksProvider);
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| 
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|     return PopupCard(
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|       elevation: 8,
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|       shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12.0)),
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|       child: ConstrainedBox(
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|         constraints: const BoxConstraints(maxWidth: 520, maxHeight: 520),
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|         child: packsAsync.when(
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|           data: (packs) {
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|             if (packs.isEmpty) {
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|               return _EmptyState(
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|                 onRefresh: () async {
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|                   ref.invalidate(myStickerPacksProvider);
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|                 },
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|               );
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|             }
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| 
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|             // Maintain selected index locally with a ValueNotifier to avoid hooks dependency
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|             return _PackSwitcher(
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|               packs: packs,
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|               onPick: (pack, sticker) {
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|                 final placeholder = ':${pack.prefix}+${sticker.slug}:';
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|                 HapticFeedback.selectionClick();
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|                 onPick(placeholder);
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|                 if (Navigator.of(context).canPop()) {
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|                   Navigator.of(context).pop();
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|                 }
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|               },
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|               onRefresh: () async {
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|                 ref.invalidate(myStickerPacksProvider);
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|               },
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|             );
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|           },
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|           loading:
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|               () => const SizedBox(
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|                 width: 320,
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|                 height: 320,
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|                 child: Center(child: CircularProgressIndicator()),
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|               ),
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|           error:
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|               (err, _) => SizedBox(
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|                 width: 360,
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|                 height: 200,
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|                 child: Column(
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|                   mainAxisAlignment: MainAxisAlignment.center,
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|                   children: [
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|                     const Icon(Symbols.error, size: 28),
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|                     const Gap(8),
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|                     Text('Error: $err', textAlign: TextAlign.center),
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|                     const Gap(12),
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|                     FilledButton.icon(
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|                       onPressed: () => ref.invalidate(myStickerPacksProvider),
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|                       icon: const Icon(Symbols.refresh),
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|                       label: Text('retry').tr(),
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|                     ),
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|                   ],
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|                 ).padding(all: 16),
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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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| class _EmptyState extends StatelessWidget {
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|   final Future<void> Function() onRefresh;
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|   const _EmptyState({required this.onRefresh});
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| 
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|   @override
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|   Widget build(BuildContext context) {
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|     return SizedBox(
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|       width: 360,
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|       height: 220,
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|       child: Column(
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|         mainAxisAlignment: MainAxisAlignment.center,
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|         children: [
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|           const Icon(Symbols.emoji_symbols, size: 28),
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|           const Gap(8),
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|           Text('noStickerPacks'.tr(), textAlign: TextAlign.center),
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|           const Gap(12),
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|           OutlinedButton.icon(
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|             onPressed: onRefresh,
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|             icon: const Icon(Symbols.refresh),
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|             label: Text('refresh').tr(),
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|           ),
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|         ],
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|       ).padding(all: 16),
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|     );
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|   }
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| }
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| 
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| class _PackSwitcher extends StatefulWidget {
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|   final List<SnStickerPack> packs;
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|   final void Function(SnStickerPack pack, SnSticker sticker) onPick;
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|   final Future<void> Function() onRefresh;
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| 
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|   const _PackSwitcher({
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|     required this.packs,
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|     required this.onPick,
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|     required this.onRefresh,
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|   });
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| 
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|   @override
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|   State<_PackSwitcher> createState() => _PackSwitcherState();
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| }
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| 
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| class _PackSwitcherState extends State<_PackSwitcher> {
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|   int _index = 0;
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| 
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|   @override
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|   Widget build(BuildContext context) {
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|     final packs = widget.packs;
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|     _index = _index.clamp(0, packs.length - 1);
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| 
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|     final selectedPack = packs[_index];
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| 
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|     return Column(
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|       crossAxisAlignment: CrossAxisAlignment.stretch,
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|       children: [
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|         // Header
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|         Row(
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|           children: [
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|             const Icon(Symbols.sticky_note_2, size: 20),
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|             const Gap(8),
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|             Text(
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|               'stickers'.tr(),
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|               style: Theme.of(context).textTheme.titleMedium,
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|             ),
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|             const Spacer(),
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|             IconButton(
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|               padding: EdgeInsets.zero,
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|               visualDensity: VisualDensity.compact,
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|               tooltip: 'close'.tr(),
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|               onPressed: () => Navigator.of(context).maybePop(),
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|               icon: const Icon(Symbols.close),
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|             ),
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|           ],
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|         ).padding(horizontal: 12, top: 8),
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| 
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|         // Vertical, scrollable packs rail like common emoji pickers
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|         SizedBox(
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|           height: 48,
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|           child: ListView.separated(
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|             padding: const EdgeInsets.symmetric(horizontal: 8),
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|             scrollDirection: Axis.horizontal,
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|             itemCount: packs.length,
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|             separatorBuilder: (_, _) => const Gap(4),
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|             itemBuilder: (context, i) {
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|               final selected = _index == i;
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|               return Tooltip(
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|                 message: packs[i].name,
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|                 child: FilterChip(
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|                   label: Text(packs[i].name, overflow: TextOverflow.ellipsis),
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|                   selected: selected,
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|                   onSelected: (_) {
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|                     setState(() => _index = i);
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|                     HapticFeedback.selectionClick();
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|                   },
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|                 ),
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|               );
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|             },
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|           ),
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|         ).padding(bottom: 8),
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|         const Divider(height: 1),
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| 
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|         // Content
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|         Expanded(
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|           child: ExtendedRefreshIndicator(
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|             onRefresh: widget.onRefresh,
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|             child: _StickersGrid(
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|               pack: selectedPack,
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|               onPick: (sticker) => widget.onPick(selectedPack, sticker),
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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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| class _StickersGrid extends StatelessWidget {
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|   final SnStickerPack pack;
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|   final void Function(SnSticker sticker) onPick;
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| 
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|   const _StickersGrid({required this.pack, required this.onPick});
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| 
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|   @override
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|   Widget build(BuildContext context) {
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|     final stickers = pack.stickers;
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| 
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|     if (stickers.isEmpty) {
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|       return Center(child: Text('noStickersInPack'.tr()));
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|     }
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| 
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|     return GridView.builder(
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|       physics: const AlwaysScrollableScrollPhysics(),
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|       padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
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|       gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
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|         maxCrossAxisExtent: 96,
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|         mainAxisSpacing: 12,
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|         crossAxisSpacing: 12,
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|       ),
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|       itemCount: stickers.length,
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|       itemBuilder: (context, index) {
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|         final sticker = stickers[index];
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|         final placeholder = ':${pack.prefix}+${sticker.slug}:';
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|         return Tooltip(
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|           message: placeholder,
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|           child: InkWell(
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|             borderRadius: const BorderRadius.all(Radius.circular(8)),
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|             onTap: () => onPick(sticker),
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|             child: ClipRRect(
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|               borderRadius: const BorderRadius.all(Radius.circular(8)),
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|               child: DecoratedBox(
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|                 decoration: BoxDecoration(
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|                   color: Theme.of(context).colorScheme.surfaceContainer,
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|                   borderRadius: const BorderRadius.all(Radius.circular(8)),
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|                 ),
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|                 child: AspectRatio(
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|                   aspectRatio: 1,
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|                   child: CloudImageWidget(
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|                     fileId: sticker.image.id,
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|                     fit: BoxFit.contain,
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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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|   }
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| }
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| 
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| /// Helper to show sticker picker as an anchored popover near the trigger.
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| /// Provide the button's BuildContext (typically from the onPressed closure).
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| /// Fallbacks to dialog if overlay cannot be found (e.g., during tests).
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| Future<void> showStickerPickerPopover(
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|   BuildContext context,
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|   Offset offset, {
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|   Alignment? alignment,
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|   required void Function(String placeholder) onPick,
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| }) async {
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|   // Use flutter_popup_card to present the anchored popup near trigger.
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|   await showPopupCard<void>(
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|     context: context,
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|     offset: offset,
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|     alignment: alignment ?? Alignment.topLeft,
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|     dimBackground: true,
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|     builder:
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|         (ctx) => SizedBox(
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|           width: math.min(480, MediaQuery.of(context).size.width * 0.9),
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|           height: 480,
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|           child: ProviderScope(
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|             parent: ProviderScope.containerOf(context),
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|             child: StickerPicker(
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|               onPick: (ph) {
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|                 onPick(ph);
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|                 Navigator.of(ctx).maybePop();
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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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