copilot/frosty
1
0
Fork 0
Code Issues Pull requests Projects Releases 11 Packages Wiki Activity Actions

Add scroll to top to search section (#90)

Browse source
This commit is contained in:
Tommy Chow 2022-06-29 06:48:52 -04:00
parent d826f93f24
commit 7d844675ce
3 changed files with 57 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

4
lib/screens/home/home.dart
View file

@ -122,7 +122,9 @@ class _HomeState extends State<Home> {
TopSection(
homeStore: _homeStore,
),
const Search(),
Search(
scrollController: _homeStore.searchScrollController,
),
],
),
),

11
lib/screens/home/search/search.dart
View file

@ -10,8 +10,15 @@ import 'package:frosty/widgets/alert_message.dart';
import 'package:frosty/widgets/section_header.dart';
import 'package:provider/provider.dart';
/// The search section that contians search history and search results for channels and categories.
class Search extends StatefulWidget {
const Search({Key? key}) : super(key: key);
// The scroll controller for handling scroll to top functionality.
final ScrollController scrollController;
const Search({
Key? key,
required this.scrollController,
}) : super(key: key);
@override
State<Search> createState() => _SearchState();
@ -77,6 +84,7 @@ class _SearchState extends State<Search> {
),
Expanded(
child: ListView(
controller: widget.scrollController,
children: _searchStore.searchHistory
.mapIndexed(
(index, searchTerm) => ListTile(
@ -104,6 +112,7 @@ class _SearchState extends State<Search> {
);
}
return CustomScrollView(
controller: widget.scrollController,
slivers: [
const SliverToBoxAdapter(
child: SectionHeader(

57
lib/screens/home/stores/home_store.dart
View file

@ -21,6 +21,9 @@ abstract class HomeStoreBase with Store {
ScrollController(),
];
/// The scroll controller for controlling the scroll to top on the search section.
final searchScrollController = ScrollController();
/// The current index of the top section tab. Changes when switching between the streams and categories tabs.
var topSectionCurrentIndex = 0;
@ -44,20 +47,48 @@ abstract class HomeStoreBase with Store {
if (index != _selectedIndex) {
_selectedIndex = index;
} else {
if (index == 0 && authStore.isLoggedIn) {
// If on the followed tab and tapping the followed button, scroll to the top.
followedScrollController.animateTo(
0.0,
duration: const Duration(milliseconds: 200),
curve: Curves.easeOutCubic,
);
const duration = Duration(milliseconds: 500);
// Use different logic if logged in/out since there will be one less tab when logged out.
if (authStore.isLoggedIn) {
if (index == 0) {
// If on the followed tab and tapping the followed tab, scroll to the top.
followedScrollController.animateTo(
0.0,
duration: duration,
curve: Curves.easeOutCubic,
);
} else if (index == 1) {
// If on the top section, scroll to the top of the tab based on the current top tab.
topSectionScrollControllers[topSectionCurrentIndex].animateTo(
0.0,
duration: duration,
curve: Curves.easeOutCubic,
);
} else {
// If on the search tab and tapping the search tab, scroll to the top.
searchScrollController.animateTo(
0.0,
duration: duration,
curve: Curves.easeOutCubic,
);
}
} else {
// If on the top section, scroll to the top of the tab based on the current top tab.
topSectionScrollControllers[topSectionCurrentIndex].animateTo(
0.0,
duration: const Duration(milliseconds: 200),
curve: Curves.easeOutCubic,
);
if (index == 0) {
// If on the top section, scroll to the top of the tab based on the current top tab.
topSectionScrollControllers[topSectionCurrentIndex].animateTo(
0.0,
duration: duration,
curve: Curves.easeOutCubic,
);
} else {
// If on the search tab and tapping the search tab, scroll to the top.
searchScrollController.animateTo(
0.0,
duration: duration,
curve: Curves.easeOutCubic,
);
}
}
}
}