127 lines
3.1 KiB
Dart
127 lines
3.1 KiB
Dart
import 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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class AppNavDestination {
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final String label;
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final String screen;
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final Widget icon;
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final bool isPinned;
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const AppNavDestination({
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required this.label,
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required this.screen,
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required this.icon,
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this.isPinned = false,
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});
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}
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class NavigationProvider extends ChangeNotifier {
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int? _currentIndex;
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int? get currentIndex => _currentIndex;
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static const List<String> kShowBottomNavScreen = [
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'home',
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'explore',
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'account',
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'album',
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'chat',
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];
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static const List<AppNavDestination> kAllDestination = [
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AppNavDestination(
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icon: Icon(Symbols.home, weight: 400, opticalSize: 20),
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screen: 'home',
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label: 'screenHome',
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),
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AppNavDestination(
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icon: Icon(Symbols.explore, weight: 400, opticalSize: 20),
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screen: 'explore',
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label: 'screenExplore',
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),
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AppNavDestination(
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icon: Icon(Symbols.chat, weight: 400, opticalSize: 20),
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screen: 'chat',
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label: 'screenChat',
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),
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AppNavDestination(
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icon: Icon(Symbols.account_circle, weight: 400, opticalSize: 20),
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screen: 'account',
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label: 'screenAccount',
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),
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AppNavDestination(
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icon: Icon(Symbols.group, weight: 400, opticalSize: 20),
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screen: 'realm',
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label: 'screenRealm',
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),
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AppNavDestination(
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icon: Icon(Symbols.album, weight: 400, opticalSize: 20),
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screen: 'album',
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label: 'screenAlbum',
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),
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];
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static const List<String> kDefaultPinnedDestination = [
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'home',
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'explore',
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'chat',
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'account',
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];
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List<AppNavDestination> destinations = [];
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int get pinnedDestinationCount =>
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destinations.where((ele) => ele.isPinned).length;
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NavigationProvider() {
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buildDestinations(kDefaultPinnedDestination);
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SharedPreferences.getInstance().then((prefs) {
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final pinned = prefs.getStringList("app_pinned_navigation");
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if (pinned != null) buildDestinations(pinned);
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});
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}
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void buildDestinations(List<String> pinned) {
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destinations = kAllDestination
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.map(
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(ele) => AppNavDestination(
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label: ele.label,
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screen: ele.screen,
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icon: ele.icon,
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isPinned: pinned.contains(ele.screen),
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),
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)
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.toList();
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notifyListeners();
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}
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int getIndexInRange(int min, int max) {
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return math.max(min, math.min(_currentIndex ?? 0, max));
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}
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bool isIndexInRange(int min, int max) {
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return _currentIndex != null &&
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_currentIndex! >= min &&
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_currentIndex! < max;
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}
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void autoDetectIndex(GoRouter? state) {
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if (state == null) return;
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final idx = destinations.indexWhere(
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(ele) =>
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ele.screen ==
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state.routerDelegate.currentConfiguration.last.route.name,
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);
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_currentIndex = idx == -1 ? null : idx;
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notifyListeners();
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}
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void setIndex(int idx) {
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_currentIndex = idx;
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notifyListeners();
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}
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}
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