Files
blog_app/lib/layout/theme_layout.dart
2025-11-21 14:11:35 +08:00

129 lines
3.8 KiB
Dart

import 'package:blog_app/provider/theme_provider.dart';
import 'package:blog_app/utils/theme_utils.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
class ThemeLayout extends StatelessWidget {
final Widget? child;
const ThemeLayout({super.key, this.child});
Widget _buildThemeColorList(BuildContext context, ThemeProvider provider) {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
child: GridView.builder(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 4,
crossAxisSpacing: 8,
mainAxisSpacing: 8,
childAspectRatio: 1.2,
),
itemCount: provider.availableThemes.length,
itemBuilder: (context, index) {
final themeColor = provider.availableThemes[index];
final isSelected = provider.currentTheme == themeColor;
return _buildThemeColorItem(
themeColor: themeColor,
isSelected: isSelected,
onTap: () => provider.changeTheme(themeColor),
);
},
),
);
}
Widget _buildThemeColorItem({
required ThemeColor themeColor,
required bool isSelected,
required VoidCallback onTap,
}) {
return GestureDetector(
onTap: onTap,
child: Container(
decoration: BoxDecoration(
color:
isSelected
? themeColor.primaryColor.withAlpha(50)
: Colors.transparent,
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: isSelected ? themeColor.primaryColor : Colors.grey.shade300,
width: isSelected ? 2 : 1,
),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// 颜色圆点
Container(
width: 20,
height: 20,
decoration: BoxDecoration(
color: themeColor.primaryColor,
shape: BoxShape.circle,
border: Border.all(color: Colors.white, width: 2),
boxShadow: [
BoxShadow(
color: Colors.black.withAlpha(10),
blurRadius: 2,
offset: const Offset(0, 1),
),
],
),
),
const SizedBox(height: 4),
Text(
themeColor.name,
style: TextStyle(
fontSize: 10,
fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
color:
isSelected ? themeColor.primaryColor : Colors.grey.shade600,
),
),
],
),
),
);
}
Widget _buildDarkModeSection(BuildContext context, ThemeProvider provider) {
return ListTile(
leading: Icon(
provider.isDarkMode ? Icons.dark_mode : Icons.light_mode,
color: Theme.of(context).colorScheme.primary,
),
title: const Text('暗黑模式'),
trailing: Switch(
value: provider.isDarkMode,
onChanged: (value) {
provider.toggleDarkMode(value);
},
),
onTap: () {
provider.toggleDarkMode(!provider.isDarkMode);
},
);
}
@override
Widget build(BuildContext context) {
final provider = context.watch<ThemeProvider>();
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
child: Text('主题颜色', style: Theme.of(context).textTheme.titleMedium),
),
_buildDarkModeSection(context, provider),
_buildThemeColorList(context, provider),
],
);
}
}