138 lines
5.3 KiB
Dart
138 lines
5.3 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:linkdy/constants/enums.dart';
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import 'package:linkdy/screens/bookmarks/provider/bookmarks.provider.dart';
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import 'package:linkdy/screens/bookmarks/ui/bookmark_item.dart';
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import 'package:linkdy/screens/bookmarks/ui/add_bookmark_modal.dart';
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import 'package:linkdy/widgets/error_screen.dart';
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import 'package:linkdy/widgets/no_data_screen.dart';
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import 'package:linkdy/i18n/strings.g.dart';
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import 'package:linkdy/providers/router_provider.dart';
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import 'package:linkdy/router/paths.dart';
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class BookmarksScreen extends ConsumerWidget {
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const BookmarksScreen({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final bookmarks = ref.watch(bookmarksProvider);
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final width = MediaQuery.of(context).size.width;
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void openAddModal() {
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showGeneralDialog(
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context: context,
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barrierColor: !(width > 700 || !(Platform.isAndroid || Platform.isIOS)) ? Colors.transparent : Colors.black54,
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transitionBuilder: (context, anim1, anim2, child) {
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return SlideTransition(
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position: Tween(begin: const Offset(0, 1), end: const Offset(0, 0)).animate(
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CurvedAnimation(parent: anim1, curve: Curves.easeInOutCubicEmphasized),
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),
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child: child,
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);
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},
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pageBuilder: (context, animation, secondaryAnimation) => AddBookmarkModal(fullscreen: width <= 700),
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);
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}
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bool scrollListener(ScrollUpdateNotification scrollNotification) {
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if (scrollNotification.metrics.extentAfter < 100 &&
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bookmarks.loadingMore == false &&
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bookmarks.bookmarks.length < bookmarks.maxNumber) {
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ref.read(bookmarksProvider.notifier).setLoadingMore(true);
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ref.watch(bookmarksRequestLoadMoreProvider);
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}
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return false;
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}
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return Scaffold(
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body: NestedScrollView(
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headerSliverBuilder: (context, innerBoxIsScrolled) => [
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SliverOverlapAbsorber(
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handle: NestedScrollView.sliverOverlapAbsorberHandleFor(context),
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sliver: SliverAppBar.large(
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pinned: true,
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floating: true,
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centerTitle: false,
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forceElevated: innerBoxIsScrolled,
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title: Text(t.bookmarks.bookmarks),
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actions: [
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IconButton(
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onPressed: () => ref.watch(routerProvider).push(RoutesPaths.bookmarksSearch),
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icon: const Icon(Icons.search_rounded),
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tooltip: t.bookmarks.search.searchBookmarks,
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),
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const SizedBox(width: 8),
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],
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),
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),
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],
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body: SafeArea(
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top: false,
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bottom: false,
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child: Builder(
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builder: (context) => RefreshIndicator(
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displacement: 120,
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onRefresh: () => ref.read(bookmarksProvider.notifier).refresh(),
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child: NotificationListener(
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onNotification: scrollListener,
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child: CustomScrollView(
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slivers: [
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SliverOverlapInjector(
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handle: NestedScrollView.sliverOverlapAbsorberHandleFor(context),
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),
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if (bookmarks.inialLoadStatus == LoadStatus.loading)
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const SliverFillRemaining(
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child: Center(child: CircularProgressIndicator()),
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),
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if (bookmarks.inialLoadStatus == LoadStatus.error)
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SliverFillRemaining(
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child: ErrorScreen(
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error: t.bookmarks.cannotLoadBookmarks,
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),
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),
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if (bookmarks.bookmarks.isEmpty)
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SliverFillRemaining(
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child: NoDataScreen(
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message: t.bookmarks.noBookmarksAdded,
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),
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),
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if (bookmarks.bookmarks.isNotEmpty)
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SliverList.builder(
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itemCount: bookmarks.bookmarks.length + 1,
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itemBuilder: (context, index) {
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// index == bookmarks.value!.content!.results!.length -> itemCount + 1
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if (index == bookmarks.bookmarks.length) {
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if (bookmarks.loadingMore) {
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return const SizedBox(
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height: 80,
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child: Center(
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child: CircularProgressIndicator(),
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),
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);
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}
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// Bottom gap for FAB
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return const SizedBox(height: 80);
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}
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return BookmarkItem(bookmark: bookmarks.bookmarks[index]);
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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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floatingActionButton: FloatingActionButton(
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onPressed: openAddModal,
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child: const Icon(Icons.add_rounded),
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),
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);
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}
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}
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