kopia lustrzana https://gitlab.com/mysocialportal/relatica
119 wiersze
3.1 KiB
Dart
119 wiersze
3.1 KiB
Dart
import 'package:flutter/cupertino.dart';
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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:provider/provider.dart';
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import '../routes.dart';
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import '../services/notifications_manager.dart';
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enum NavBarButtons {
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timelines,
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notifications,
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contacts,
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menu,
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}
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class AppBottomNavBar extends StatelessWidget {
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final NavBarButtons currentButton;
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const AppBottomNavBar({super.key, required this.currentButton});
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@override
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Widget build(BuildContext context) {
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final notificationManager = context.watch<NotificationsManager>();
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final hasNotifications =
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notificationManager.notifications.where((n) => !n.dismissed).isNotEmpty;
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return BottomNavigationBar(
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onTap: (index) {
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final newButton = _indexToButton(index);
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if (newButton == currentButton) {
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return;
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}
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switch (newButton) {
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case NavBarButtons.timelines:
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Navigator.of(context).popUntil((route) {
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return route.settings.name == ScreenPaths.timelines;
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});
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break;
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case NavBarButtons.notifications:
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context.pushNamed(ScreenPaths.notifications);
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break;
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case NavBarButtons.contacts:
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context.pushNamed(ScreenPaths.contacts);
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break;
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case NavBarButtons.menu:
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context.pushNamed(ScreenPaths.menu);
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break;
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}
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},
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type: BottomNavigationBarType.fixed,
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currentIndex: _buttonToIndex(currentButton),
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items: _menuItems(context, hasNotifications),
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);
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}
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int _buttonToIndex(NavBarButtons button) {
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switch (button) {
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case NavBarButtons.timelines:
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return 0;
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case NavBarButtons.notifications:
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return 1;
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case NavBarButtons.contacts:
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return 2;
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case NavBarButtons.menu:
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return 3;
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}
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}
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NavBarButtons _indexToButton(int index) {
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if (index == 0) {
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return NavBarButtons.timelines;
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}
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if (index == 1) {
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return NavBarButtons.notifications;
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}
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if (index == 2) {
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return NavBarButtons.contacts;
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}
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if (index == 3) {
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return NavBarButtons.menu;
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}
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throw ArgumentError('$index has no button type');
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}
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List<BottomNavigationBarItem> _menuItems(
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BuildContext context, bool hasNotifications) {
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return [
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const BottomNavigationBarItem(
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label: 'Timelines',
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icon: Icon(Icons.home_outlined),
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activeIcon: Icon(Icons.home_filled),
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),
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BottomNavigationBarItem(
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label: 'Notifications',
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icon: Icon(hasNotifications
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? Icons.notifications_active_outlined
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: Icons.notifications_none_outlined),
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activeIcon: Icon(hasNotifications
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? Icons.notifications_active
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: Icons.notifications),
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),
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const BottomNavigationBarItem(
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label: 'Contacts',
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icon: Icon(Icons.people_outline),
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activeIcon: Icon(Icons.people_sharp),
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),
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const BottomNavigationBarItem(
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label: 'Menu',
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icon: Icon(Icons.menu),
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activeIcon: Icon(Icons.menu_open),
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),
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];
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}
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}
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