56 lines
1.7 KiB
Dart
56 lines
1.7 KiB
Dart
/*
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* Copyright (c) 2024-2025 Fabian Freund.
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*
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* This file is part of WebLibre
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* (see https://weblibre.eu).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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void useSyncPageWithTab(
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TabController tabController,
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PageController pageController, {
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void Function(int index)? onIndexChanged,
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}) {
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useEffect(() {
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Future<void> syncPage() async {
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await pageController.animateToPage(
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tabController.index,
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curve: Curves.linear,
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duration: const Duration(milliseconds: 300),
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);
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onIndexChanged?.call(tabController.index);
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}
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void syncTab() {
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if (!tabController.indexIsChanging) {
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final index = pageController.page!.round();
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tabController.animateTo(index);
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onIndexChanged?.call(index);
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}
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}
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tabController.addListener(syncPage);
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pageController.addListener(syncTab);
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return () {
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tabController.removeListener(syncPage);
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pageController.removeListener(syncTab);
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};
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}, [tabController, pageController]);
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}
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