relatica/lib/controls/app_bottom_nav_bar.dart

135 wiersze
3.6 KiB
Dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:logging/logging.dart';
import 'package:provider/provider.dart';
import '../routes.dart';
import '../services/notifications_manager.dart';
import '../utils/active_profile_selector.dart';
enum NavBarButtons {
timelines,
notifications,
contacts,
search,
}
class AppBottomNavBar extends StatelessWidget {
static final _logger = Logger('$AppBottomNavBar');
final NavBarButtons currentButton;
final Function()? onHomeButtonReclick;
const AppBottomNavBar({
super.key,
required this.currentButton,
this.onHomeButtonReclick,
});
@override
Widget build(BuildContext context) {
final nmResult = context
.watch<ActiveProfileSelector<NotificationsManager>>()
.activeEntry;
final hasNotifications = nmResult.fold(
onSuccess: (manager) =>
manager.notifications.where((n) => !n.dismissed).isNotEmpty,
onError: (error) {
_logger.info('Error getting notifications manager: $error');
return false;
});
return BottomNavigationBar(
onTap: (index) {
final newButton = _indexToButton(index);
if (newButton == currentButton) {
if (newButton == NavBarButtons.timelines &&
onHomeButtonReclick != null) {
onHomeButtonReclick!();
}
return;
}
switch (newButton) {
case NavBarButtons.timelines:
context.go(ScreenPaths.timelines);
break;
case NavBarButtons.notifications:
context.pushNamed(ScreenPaths.notifications);
break;
case NavBarButtons.contacts:
context.pushNamed(ScreenPaths.contacts);
break;
case NavBarButtons.search:
context.pushNamed(ScreenPaths.search);
break;
}
},
type: BottomNavigationBarType.fixed,
currentIndex: _buttonToIndex(currentButton),
items: _menuItems(context, hasNotifications),
);
}
int _buttonToIndex(NavBarButtons button) {
switch (button) {
case NavBarButtons.timelines:
return 0;
case NavBarButtons.notifications:
return 1;
case NavBarButtons.contacts:
return 2;
case NavBarButtons.search:
return 3;
}
}
NavBarButtons _indexToButton(int index) {
if (index == 0) {
return NavBarButtons.timelines;
}
if (index == 1) {
return NavBarButtons.notifications;
}
if (index == 2) {
return NavBarButtons.contacts;
}
if (index == 3) {
return NavBarButtons.search;
}
throw ArgumentError('$index has no button type');
}
List<BottomNavigationBarItem> _menuItems(
BuildContext context, bool hasNotifications) {
return [
const BottomNavigationBarItem(
label: 'Timelines',
icon: Icon(Icons.home_outlined),
activeIcon: Icon(Icons.home_filled),
),
BottomNavigationBarItem(
label: 'Notifications',
icon: Icon(hasNotifications
? Icons.notifications_active_outlined
: Icons.notifications_none_outlined),
activeIcon: Icon(hasNotifications
? Icons.notifications_active
: Icons.notifications),
),
const BottomNavigationBarItem(
label: 'Contacts',
icon: Icon(Icons.people_outline),
activeIcon: Icon(Icons.people_sharp),
),
const BottomNavigationBarItem(
label: 'Search',
icon: Icon(Icons.search),
activeIcon: Icon(Icons.search),
),
];
}
}