49 lines
1.6 KiB
Dart
49 lines
1.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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/// Palette de couleurs de l'application (couleur primaire + surface de fond).
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/// Le nom affiché est géré via AppLocalizations (palette0…palette4).
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class AppPalette {
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final Color primary;
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final Color surface;
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const AppPalette({required this.primary, required this.surface});
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}
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const List<AppPalette> appPalettes = [
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AppPalette(primary: Color(0xFFD32F2F), surface: Color(0xFF1B2333)),
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AppPalette(primary: Color(0xFF1565C0), surface: Color(0xFF0D1B2A)),
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AppPalette(primary: Color(0xFF2E7D32), surface: Color(0xFF1A2B1A)),
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AppPalette(primary: Color(0xFFF9A825), surface: Color(0xFF1C1A00)),
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AppPalette(primary: Color(0xFF6A1B9A), surface: Color(0xFF1A0A2B)),
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];
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const String _prefsPaletteIndex = 'palette_index';
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/// Gère l'index de la palette sélectionnée, persistée dans les préférences.
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class ThemeNotifier extends Notifier<int> {
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@override
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int build() {
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_loadSaved();
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return 0;
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}
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Future<void> _loadSaved() async {
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final prefs = await SharedPreferences.getInstance();
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final idx = prefs.getInt(_prefsPaletteIndex) ?? 0;
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state = idx.clamp(0, appPalettes.length - 1);
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}
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Future<void> setPalette(int index) async {
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state = index.clamp(0, appPalettes.length - 1);
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final prefs = await SharedPreferences.getInstance();
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await prefs.setInt(_prefsPaletteIndex, state);
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}
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AppPalette get current => appPalettes[state];
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}
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/// Index de la palette de couleurs active.
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final themeProvider = NotifierProvider<ThemeNotifier, int>(ThemeNotifier.new);
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