✨ Drawer navigation

2024-11-14 00:08:09 +08:00
parent 2c6b1feca6
commit 9c8dad0176
11 changed files with 274 additions and 48 deletions
--- a/lib/providers/navigation.dart
+++ b/lib/providers/navigation.dart
@ -0,0 +1,112 @@
+import 'dart:math' as math;
+
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:material_symbols_icons/symbols.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class AppNavDestination {
+  final String label;
+  final String screen;
+  final Widget icon;
+  final bool isPinned;
+
+  const AppNavDestination({
+    required this.label,
+    required this.screen,
+    required this.icon,
+    this.isPinned = false,
+  });
+}
+
+class NavigationProvider extends ChangeNotifier {
+  int? _currentIndex;
+
+  int? get currentIndex => _currentIndex;
+
+  static const List<AppNavDestination> kAllDestination = [
+    AppNavDestination(
+      icon: Icon(Symbols.home, weight: 400, opticalSize: 20),
+      screen: 'home',
+      label: 'screenHome',
+    ),
+    AppNavDestination(
+      icon: Icon(Symbols.explore, weight: 400, opticalSize: 20),
+      screen: 'explore',
+      label: 'screenExplore',
+    ),
+    AppNavDestination(
+      icon: Icon(Symbols.account_circle, weight: 400, opticalSize: 20),
+      screen: 'account',
+      label: 'screenAccount',
+    ),
+    AppNavDestination(
+      icon: Icon(Symbols.album, weight: 400, opticalSize: 20),
+      screen: 'album',
+      label: 'screenAlbum',
+    ),
+    AppNavDestination(
+      icon: Icon(Symbols.chat, weight: 400, opticalSize: 20),
+      screen: 'chat',
+      label: 'screenChat',
+    ),
+  ];
+  static const List<String> kDefaultPinnedDestination = [
+    'home',
+    'explore',
+    'account'
+  ];
+
+  List<AppNavDestination> destinations = [];
+
+  int get pinnedDestinationCount =>
+      destinations.where((ele) => ele.isPinned).length;
+
+  NavigationProvider() {
+    buildDestinations(kDefaultPinnedDestination);
+    SharedPreferences.getInstance().then((prefs) {
+      final pinned = prefs.getStringList("app_pinned_navigation");
+      if (pinned != null) buildDestinations(pinned);
+    });
+  }
+
+  void buildDestinations(List<String> pinned) {
+    destinations = kAllDestination
+        .map(
+          (ele) => AppNavDestination(
+            label: ele.label,
+            screen: ele.screen,
+            icon: ele.icon,
+            isPinned: pinned.contains(ele.screen),
+          ),
+        )
+        .toList();
+    notifyListeners();
+  }
+
+  int getIndexInRange(int min, int max) {
+    return math.max(min, math.min(_currentIndex ?? 0, max));
+  }
+
+  bool isIndexInRange(int min, int max) {
+    return _currentIndex != null &&
+        _currentIndex! >= min &&
+        _currentIndex! < max;
+  }
+
+  void autoDetectIndex(GoRouter? state) {
+    if (state == null) return;
+    final idx = destinations.indexWhere(
+      (ele) =>
+          ele.screen ==
+          state.routerDelegate.currentConfiguration.last.route.name,
+    );
+    _currentIndex = idx == -1 ? null : idx;
+    notifyListeners();
+  }
+
+  void setIndex(int idx) {
+    _currentIndex = idx;
+    notifyListeners();
+  }
+}