- Arc angle now proportional to day/night duration (day = daylight/24 × 360°) - Horizon points represent sunrise/sunset times - Day arc with sun icon and yellow/orange gradient - Night arc with moon icon and blue/indigo gradient - Position updates every 10 minutes aligned to clock (0/10/20/30/40/50) - Default to 07:00-17:00 when API data unavailable (asymmetric for visual effect) - All environment cards maintain consistent height in "no data" state 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
562 lines
17 KiB
Dart
562 lines
17 KiB
Dart
import 'dart:async';
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import 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:tatlock_ui/features/front_hall/data/models/environment_model.dart';
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/// Sun position widget displaying sunrise/sunset with animated arc.
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///
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/// Shows a semicircle arc representing the day, with sun/moon icon
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/// moving along based on current time. Uses color gradients:
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/// - Blue tones for night
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/// - Orange tones for sunrise/sunset
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/// - Yellow tones for daytime
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///
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/// Position updates every 10 minutes based on system clock.
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/// When sun times are unavailable, assumes 12-hour day/night cycles
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/// (6am sunrise, 6pm sunset).
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class SunPositionWidget extends StatefulWidget {
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const SunPositionWidget({
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super.key,
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this.sunTimes,
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this.compact = false,
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});
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/// Sun times data to display.
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final SunTimesData? sunTimes;
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/// Whether to use compact layout.
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final bool compact;
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@override
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State<SunPositionWidget> createState() => _SunPositionWidgetState();
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}
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class _SunPositionWidgetState extends State<SunPositionWidget> {
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Timer? _positionTimer;
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@override
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void initState() {
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super.initState();
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_scheduleNextUpdate();
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}
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/// Schedule update at next 10-minute wall clock mark (0/10/20/30/40/50)
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void _scheduleNextUpdate() {
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final now = DateTime.now();
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final currentMinute = now.minute;
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// Calculate minutes until next 10-minute mark
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final minutesUntilNext = 10 - (currentMinute % 10);
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final secondsUntilNext = (minutesUntilNext * 60) - now.second;
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_positionTimer = Timer(
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Duration(seconds: secondsUntilNext),
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() {
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if (mounted) {
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setState(() {});
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_scheduleNextUpdate();
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}
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},
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);
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}
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@override
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void dispose() {
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_positionTimer?.cancel();
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super.dispose();
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}
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/// Get sunrise time, defaulting to 7am if not available (asymmetric for visual effect)
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DateTime get _sunrise {
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final now = DateTime.now();
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return widget.sunTimes?.sunrise ?? DateTime(now.year, now.month, now.day, 7, 0);
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}
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/// Get sunset time, defaulting to 5pm if not available (asymmetric for visual effect)
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DateTime get _sunset {
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final now = DateTime.now();
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return widget.sunTimes?.sunset ?? DateTime(now.year, now.month, now.day, 17, 0);
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}
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/// Calculate daylight minutes from sunrise/sunset
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int get _daylightMinutes {
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return _sunset.difference(_sunrise).inMinutes;
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}
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bool get _isDaytime {
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final now = DateTime.now();
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return now.isAfter(_sunrise) && now.isBefore(_sunset);
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}
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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if (widget.compact) {
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return _buildCompact(context, colorScheme);
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}
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return Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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// Header
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Row(
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children: [
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Icon(
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_isDaytime ? Icons.wb_sunny : Icons.nightlight_round,
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size: 20,
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color: colorScheme.onSurfaceVariant,
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),
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const SizedBox(width: 8),
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Text(
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'Sun Position',
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style: Theme.of(context).textTheme.titleSmall?.copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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),
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],
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),
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const SizedBox(height: 16),
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// Arc visualization
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SizedBox(
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height: 120,
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child: CustomPaint(
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size: const Size(double.infinity, 120),
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painter: _SunArcPainter(
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sunTimes: widget.sunTimes,
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isDark: colorScheme.brightness == Brightness.dark,
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),
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),
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),
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const SizedBox(height: 12),
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// Sunrise/Sunset times
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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_TimeDisplay(
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icon: Icons.wb_twilight,
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label: 'Sunrise',
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time: _sunrise,
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iconColor: Colors.orange,
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),
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_DaylightDisplay(minutes: _daylightMinutes),
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_TimeDisplay(
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icon: Icons.nights_stay,
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label: 'Sunset',
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time: _sunset,
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iconColor: Colors.deepOrange,
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),
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],
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),
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],
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),
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),
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);
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}
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Widget _buildCompact(BuildContext context, ColorScheme colorScheme) {
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return Card(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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_isDaytime ? Icons.wb_sunny : Icons.nightlight_round,
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size: 24,
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color: _isDaytime ? Colors.amber : Colors.indigo,
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),
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const SizedBox(width: 8),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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_formatTime(_sunrise),
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style: Theme.of(context).textTheme.labelSmall,
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),
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Text(
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_formatTime(_sunset),
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style: Theme.of(context).textTheme.labelSmall,
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),
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],
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),
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],
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),
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),
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);
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}
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String _formatTime(DateTime time) {
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return '${time.hour.toString().padLeft(2, '0')}:${time.minute.toString().padLeft(2, '0')}';
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}
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}
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class _TimeDisplay extends StatelessWidget {
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const _TimeDisplay({
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required this.icon,
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required this.label,
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required this.time,
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this.iconColor,
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});
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final IconData icon;
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final String label;
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final DateTime time;
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final Color? iconColor;
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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return Column(
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children: [
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Icon(
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icon,
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size: 20,
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color: iconColor ?? colorScheme.primary,
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),
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const SizedBox(height: 4),
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Text(
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'${time.hour.toString().padLeft(2, '0')}:${time.minute.toString().padLeft(2, '0')}',
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style: Theme.of(context).textTheme.titleSmall?.copyWith(
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fontWeight: FontWeight.w600,
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),
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),
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Text(
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label,
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style: Theme.of(context).textTheme.labelSmall?.copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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),
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],
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);
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}
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}
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class _DaylightDisplay extends StatelessWidget {
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const _DaylightDisplay({required this.minutes});
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final int minutes;
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@override
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Widget build(BuildContext context) {
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final hours = minutes ~/ 60;
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final mins = minutes % 60;
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return Column(
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children: [
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Icon(
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Icons.access_time,
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size: 16,
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color: Theme.of(context).colorScheme.outline,
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),
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const SizedBox(height: 4),
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Text(
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'${hours}h ${mins}m',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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fontWeight: FontWeight.w500,
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),
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),
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Text(
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'Daylight',
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style: Theme.of(context).textTheme.labelSmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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],
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);
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}
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}
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/// Custom painter for the sun arc visualization.
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///
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/// The arc is proportional to the day/night duration:
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/// - During day: shows a day arc spanning (daylight hours / 24) × 360°
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/// - During night: shows a night arc spanning (night hours / 24) × 360°
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/// - Horizon points (left/right) represent sunrise/sunset times
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class _SunArcPainter extends CustomPainter {
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_SunArcPainter({
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this.sunTimes,
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this.isDark = false,
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});
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final SunTimesData? sunTimes;
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final bool isDark;
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// Color palette
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static const _nightBlue = Color(0xFF1a237e);
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static const _dawnOrange = Color(0xFFff6f00);
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static const _sunriseOrange = Color(0xFFffa000);
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static const _dayYellow = Color(0xFFffc107);
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static const _dayGold = Color(0xFFffb300);
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static const _duskOrange = Color(0xFFef6c00);
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static const _nightIndigo = Color(0xFF283593);
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static const _moonSilver = Color(0xFFB0BEC5);
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@override
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void paint(Canvas canvas, Size size) {
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final now = DateTime.now();
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// Get sunrise/sunset times (default to 7am/5pm for asymmetric visual)
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final sunrise = sunTimes?.sunrise ?? DateTime(now.year, now.month, now.day, 7, 0);
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final sunset = sunTimes?.sunset ?? DateTime(now.year, now.month, now.day, 17, 0);
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// Calculate durations
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final daylightMinutes = sunset.difference(sunrise).inMinutes;
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final nightMinutes = 1440 - daylightMinutes; // 24 hours = 1440 minutes
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// Determine if currently day or night
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final isDaytime = now.isAfter(sunrise) && now.isBefore(sunset);
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// Calculate arc angles (proportional to duration)
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// Day arc sweeps upward (above horizon), night arc sweeps downward
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final dayArcAngle = (daylightMinutes / 1440) * 2 * math.pi;
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final nightArcAngle = (nightMinutes / 1440) * 2 * math.pi;
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final center = Offset(size.width / 2, size.height - 10);
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final radius = math.min(size.width / 2 - 20, size.height - 30);
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// Draw horizon line
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final horizonPaint = Paint()
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..color = isDark ? Colors.white24 : Colors.black12
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..strokeWidth = 1;
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canvas.drawLine(
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Offset(center.dx - radius - 10, center.dy),
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Offset(center.dx + radius + 10, center.dy),
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horizonPaint,
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);
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final arcRect = Rect.fromCenter(
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center: center,
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width: radius * 2,
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height: radius * 2,
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);
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if (isDaytime) {
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_drawDayArc(canvas, arcRect, center, radius, dayArcAngle, now, sunrise, sunset);
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} else {
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_drawNightArc(canvas, arcRect, center, radius, nightArcAngle, now, sunrise, sunset);
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}
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// Draw sunrise/sunset time labels at horizon points
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_drawHorizonLabels(canvas, center, radius, sunrise, sunset);
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}
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void _drawDayArc(
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Canvas canvas,
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Rect arcRect,
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Offset center,
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double radius,
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double arcAngle,
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DateTime now,
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DateTime sunrise,
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DateTime sunset,
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) {
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// Day arc: starts at left horizon, sweeps upward
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// Arc starts at π (left) and sweeps toward 0 (right)
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// But the sweep angle is proportional to daylight duration
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final startAngle = math.pi;
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final sweepAngle = arcAngle.clamp(0.0, math.pi); // Cap at semicircle for visual
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// Draw arc background with day gradient
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final arcPaint = Paint()
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..style = PaintingStyle.stroke
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..strokeWidth = 8
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..strokeCap = StrokeCap.round
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..shader = SweepGradient(
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center: Alignment.center,
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startAngle: 0,
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endAngle: 2 * math.pi,
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colors: [
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_dawnOrange.withValues(alpha: 0.6),
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_sunriseOrange.withValues(alpha: 0.7),
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_dayYellow.withValues(alpha: 0.8),
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_dayGold.withValues(alpha: 0.8),
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_dayYellow.withValues(alpha: 0.7),
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_duskOrange.withValues(alpha: 0.6),
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],
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stops: const [0.0, 0.15, 0.4, 0.6, 0.85, 1.0],
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transform: const GradientRotation(math.pi),
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).createShader(arcRect);
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canvas.drawArc(arcRect, startAngle, sweepAngle, false, arcPaint);
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// Calculate sun position along the arc
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final totalDaylight = sunset.difference(sunrise).inMinutes;
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final minutesSinceSunrise = now.difference(sunrise).inMinutes;
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final progress = (minutesSinceSunrise / totalDaylight).clamp(0.0, 1.0);
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// Map progress to angle along the arc
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final sunAngle = startAngle + (progress * sweepAngle);
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final sunX = center.dx + radius * math.cos(sunAngle);
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final sunY = center.dy + radius * math.sin(sunAngle);
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// Determine sun color based on position (orange near horizon, yellow at peak)
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final isNearHorizon = progress < 0.15 || progress > 0.85;
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final sunColor = isNearHorizon ? _sunriseOrange : _dayYellow;
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final glowColor = isNearHorizon ? _dawnOrange : _dayYellow;
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// Draw sun glow
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final glowPaint = Paint()
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..shader = RadialGradient(
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colors: [
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glowColor.withValues(alpha: 0.6),
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glowColor.withValues(alpha: 0.0),
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],
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).createShader(Rect.fromCircle(center: Offset(sunX, sunY), radius: 24));
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canvas.drawCircle(Offset(sunX, sunY), 24, glowPaint);
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// Draw sun
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final sunPaint = Paint()
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..style = PaintingStyle.fill
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..color = sunColor;
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canvas.drawCircle(Offset(sunX, sunY), 12, sunPaint);
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// Draw sun rays
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final rayPaint = Paint()
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..style = PaintingStyle.stroke
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..strokeWidth = 2
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..color = (isNearHorizon ? _dawnOrange : _dayGold).withValues(alpha: 0.8);
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for (var i = 0; i < 8; i++) {
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final rayAngle = (i * math.pi / 4);
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canvas.drawLine(
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Offset(sunX + 14 * math.cos(rayAngle), sunY + 14 * math.sin(rayAngle)),
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Offset(sunX + 18 * math.cos(rayAngle), sunY + 18 * math.sin(rayAngle)),
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rayPaint,
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);
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}
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}
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void _drawNightArc(
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Canvas canvas,
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Rect arcRect,
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Offset center,
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double radius,
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double arcAngle,
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DateTime now,
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DateTime sunrise,
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DateTime sunset,
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) {
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// Night arc: sweeps below the horizon (or shown inverted above)
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// For visual clarity, we show it as an arc above horizon but with night colors
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final startAngle = math.pi;
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final sweepAngle = arcAngle.clamp(0.0, math.pi); // Cap at semicircle
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// Draw arc background with night gradient
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final arcPaint = Paint()
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..style = PaintingStyle.stroke
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..strokeWidth = 8
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..strokeCap = StrokeCap.round
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..shader = SweepGradient(
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center: Alignment.center,
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startAngle: 0,
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endAngle: 2 * math.pi,
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colors: [
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_duskOrange.withValues(alpha: 0.4),
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_nightIndigo.withValues(alpha: 0.5),
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_nightBlue.withValues(alpha: 0.6),
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_nightBlue.withValues(alpha: 0.6),
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_nightIndigo.withValues(alpha: 0.5),
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_dawnOrange.withValues(alpha: 0.4),
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],
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stops: const [0.0, 0.15, 0.4, 0.6, 0.85, 1.0],
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transform: const GradientRotation(math.pi),
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).createShader(arcRect);
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canvas.drawArc(arcRect, startAngle, sweepAngle, false, arcPaint);
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// Calculate moon position
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// Night spans from sunset to next sunrise
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final double progress;
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if (now.isAfter(sunset)) {
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// After sunset: progress from sunset toward midnight and beyond
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final nextSunrise = DateTime(now.year, now.month, now.day + 1, sunrise.hour, sunrise.minute);
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final nightDuration = nextSunrise.difference(sunset).inMinutes;
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final minutesSinceSunset = now.difference(sunset).inMinutes;
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progress = (minutesSinceSunset / nightDuration).clamp(0.0, 1.0);
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} else {
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// Before sunrise: progress toward sunrise
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final prevSunset = DateTime(now.year, now.month, now.day - 1, sunset.hour, sunset.minute);
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final nightDuration = sunrise.difference(prevSunset).inMinutes;
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final minutesSincePrevSunset = now.difference(prevSunset).inMinutes;
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progress = (minutesSincePrevSunset / nightDuration).clamp(0.0, 1.0);
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}
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// Map progress to angle along the arc
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final moonAngle = startAngle + (progress * sweepAngle);
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final moonX = center.dx + radius * math.cos(moonAngle);
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final moonY = center.dy + radius * math.sin(moonAngle);
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// Draw moon glow
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final glowPaint = Paint()
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..shader = RadialGradient(
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colors: [
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_moonSilver.withValues(alpha: 0.3),
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_moonSilver.withValues(alpha: 0.0),
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],
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).createShader(Rect.fromCircle(center: Offset(moonX, moonY), radius: 20));
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canvas.drawCircle(Offset(moonX, moonY), 20, glowPaint);
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// Draw moon
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final moonPaint = Paint()
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..style = PaintingStyle.fill
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..color = _moonSilver;
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canvas.drawCircle(Offset(moonX, moonY), 10, moonPaint);
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// Draw crescent shadow for moon effect
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final shadowPaint = Paint()
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..style = PaintingStyle.fill
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..color = _nightBlue.withValues(alpha: 0.7);
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canvas.drawCircle(Offset(moonX + 4, moonY - 2), 8, shadowPaint);
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}
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void _drawHorizonLabels(
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Canvas canvas,
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Offset center,
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double radius,
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DateTime sunrise,
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DateTime sunset,
|
||
) {
|
||
final textPainter = TextPainter(
|
||
textDirection: TextDirection.ltr,
|
||
textAlign: TextAlign.center,
|
||
);
|
||
|
||
final labelStyle = TextStyle(
|
||
fontSize: 10,
|
||
color: isDark ? Colors.white38 : Colors.black38,
|
||
);
|
||
|
||
// Sunrise label (left horizon point)
|
||
final sunriseText = '${sunrise.hour.toString().padLeft(2, '0')}:${sunrise.minute.toString().padLeft(2, '0')}';
|
||
textPainter.text = TextSpan(text: sunriseText, style: labelStyle);
|
||
textPainter.layout();
|
||
textPainter.paint(
|
||
canvas,
|
||
Offset(center.dx - radius - textPainter.width / 2, center.dy + 5),
|
||
);
|
||
|
||
// Sunset label (right horizon point)
|
||
final sunsetText = '${sunset.hour.toString().padLeft(2, '0')}:${sunset.minute.toString().padLeft(2, '0')}';
|
||
textPainter.text = TextSpan(text: sunsetText, style: labelStyle);
|
||
textPainter.layout();
|
||
textPainter.paint(
|
||
canvas,
|
||
Offset(center.dx + radius - textPainter.width / 2, center.dy + 5),
|
||
);
|
||
}
|
||
|
||
@override
|
||
bool shouldRepaint(covariant _SunArcPainter oldDelegate) {
|
||
return oldDelegate.sunTimes != sunTimes || oldDelegate.isDark != isDark;
|
||
}
|
||
}
|