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ytc1012
2025-11-13 15:45:28 +08:00
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lib/widgets/custom_time_picker_dialog.dart Normal file
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import 'package:flutter/material.dart';
/// 自定义时间选择器对话框
/// 用于选择小时和分钟，不会自动切换选择模式
class CustomTimePickerDialog extends StatefulWidget {
final String title;
final TimeOfDay initialTime;
const CustomTimePickerDialog({
super.key,
required this.title,
required this.initialTime,
});
@override
State<CustomTimePickerDialog> createState() => _CustomTimePickerDialogState();
/// 显示时间选择器对话框
static Future<TimeOfDay?> show({
required BuildContext context,
required String title,
required TimeOfDay initialTime,
}) async {
return await showDialog<TimeOfDay>(
context: context,
builder: (context) => CustomTimePickerDialog(
title: title,
initialTime: initialTime,
),
);
}
}
class _CustomTimePickerDialogState extends State<CustomTimePickerDialog> {
late int _hours;
late int _minutes;
@override
void initState() {
super.initState();
_hours = widget.initialTime.hour;
_minutes = widget.initialTime.minute;
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return AlertDialog(
title: Text(widget.title),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// 小时选择
Column(
children: [
Text('小时', style: theme.textTheme.bodySmall),
const SizedBox(height: 8),
Row(
children: [
IconButton(
icon: const Icon(Icons.remove_circle_outline),
onPressed: () {
setState(() {
if (_hours > 0) {
_hours--;
} else {
_hours = 23;
}
});
},
),
Container(
width: 60,
padding: const EdgeInsets.symmetric(vertical: 8),
decoration: BoxDecoration(
color: theme.colorScheme.primaryContainer.withOpacity(0.3),
borderRadius: BorderRadius.circular(8),
),
child: Text(
'$_hours',
textAlign: TextAlign.center,
style: theme.textTheme.headlineMedium?.copyWith(
fontWeight: FontWeight.bold,
),
),
),
IconButton(
icon: const Icon(Icons.add_circle_outline),
onPressed: () {
setState(() {
if (_hours < 23) {
_hours++;
} else {
_hours = 0;
}
});
},
),
],
),
],
),
const SizedBox(width: 24),
// 分隔符
Text(
':',
style: theme.textTheme.headlineLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
const SizedBox(width: 24),
// 分钟选择
Column(
children: [
Text('分钟', style: theme.textTheme.bodySmall),
const SizedBox(height: 8),
Row(
children: [
IconButton(
icon: const Icon(Icons.remove_circle_outline),
onPressed: () {
setState(() {
if (_minutes >= 15) {
_minutes -= 15;
} else if (_minutes > 0) {
_minutes = 0;
} else {
_minutes = 45;
}
});
},
),
Container(
width: 60,
padding: const EdgeInsets.symmetric(vertical: 8),
decoration: BoxDecoration(
color: theme.colorScheme.secondaryContainer.withOpacity(0.3),
borderRadius: BorderRadius.circular(8),
),
child: Text(
_minutes.toString().padLeft(2, '0'),
textAlign: TextAlign.center,
style: theme.textTheme.headlineMedium?.copyWith(
fontWeight: FontWeight.bold,
),
),
),
IconButton(
icon: const Icon(Icons.add_circle_outline),
onPressed: () {
setState(() {
_minutes += 15;
if (_minutes >= 60) {
_minutes = 0;
}
});
},
),
],
),
],
),
],
),
const SizedBox(height: 16),
// 快速选择按钮
Wrap(
spacing: 8,
runSpacing: 8,
alignment: WrapAlignment.center,
children: [
_buildQuickTimeButton(context, theme, '00:00', 0, 0),
_buildQuickTimeButton(context, theme, '08:00', 8, 0),
_buildQuickTimeButton(context, theme, '12:00', 12, 0),
_buildQuickTimeButton(context, theme, '18:00', 18, 0),
_buildQuickTimeButton(context, theme, '20:00', 20, 0),
_buildQuickTimeButton(context, theme, '22:00', 22, 0),
],
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.of(context).pop(),
child: const Text('取消'),
),
ElevatedButton(
onPressed: () {
Navigator.of(context).pop(
TimeOfDay(hour: _hours, minute: _minutes),
);
},
child: const Text('确定'),
),
],
);
}
Widget _buildQuickTimeButton(
BuildContext context,
ThemeData theme,
String label,
int hours,
int minutes,
) {
final isSelected = _hours == hours && _minutes == minutes;
return OutlinedButton(
onPressed: () {
setState(() {
_hours = hours;
_minutes = minutes;
});
},
style: OutlinedButton.styleFrom(
backgroundColor: isSelected
? theme.colorScheme.primaryContainer.withOpacity(0.3)
: null,
side: BorderSide(
color: isSelected
? theme.colorScheme.primary
: theme.colorScheme.outline.withOpacity(0.5),
width: isSelected ? 2 : 1,
),
),
child: Text(
label,
style: TextStyle(
fontSize: 12,
color: isSelected
? theme.colorScheme.primary
: theme.colorScheme.onSurface,
),
),
);
}
}