generated from dellevin/template
110 lines
4.2 KiB
Dart
110 lines
4.2 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:provider/provider.dart';
|
|
import '../providers/app_provider.dart';
|
|
|
|
/// 影视分类选择栏 - 可横向滚动，带动画指示器
|
|
class MovieCategoryBar extends StatelessWidget {
|
|
const MovieCategoryBar({super.key});
|
|
|
|
static const _categories = [
|
|
('电影', 'movie'),
|
|
('电视剧', 'tv'),
|
|
('动漫', 'anime'),
|
|
('综艺', 'variety'),
|
|
('纪录片', 'documentary'),
|
|
('微短剧', 'short'),
|
|
('其他', 'other'),
|
|
];
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final colors = Theme.of(context).colorScheme;
|
|
return Consumer<AppProvider>(
|
|
builder: (context, provider, child) {
|
|
final currentIndex = provider.movieCategoryIndex;
|
|
return Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
|
decoration: BoxDecoration(color: colors.surface),
|
|
child: Container(
|
|
padding: const EdgeInsets.all(4),
|
|
decoration: BoxDecoration(
|
|
color: colors.surfaceContainerHighest,
|
|
borderRadius: BorderRadius.circular(24),
|
|
),
|
|
child: LayoutBuilder(
|
|
builder: (context, constraints) {
|
|
final count = _categories.length;
|
|
final tabWidth = constraints.maxWidth / count;
|
|
return SizedBox(
|
|
height: 36,
|
|
child: Stack(
|
|
children: [
|
|
AnimatedPositioned(
|
|
duration: const Duration(milliseconds: 200),
|
|
curve: Curves.easeInOut,
|
|
left: currentIndex * tabWidth,
|
|
top: 0, bottom: 0, width: tabWidth,
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(3),
|
|
child: Container(
|
|
decoration: BoxDecoration(
|
|
color: colors.primary,
|
|
borderRadius: BorderRadius.circular(18),
|
|
boxShadow: [
|
|
BoxShadow(color: Colors.black.withValues(alpha: 0.1), blurRadius: 8, offset: const Offset(0, 2)),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
Row(
|
|
children: List.generate(count, (i) {
|
|
final isSelected = currentIndex == i;
|
|
return Expanded(
|
|
child: GestureDetector(
|
|
behavior: HitTestBehavior.opaque,
|
|
onTap: () => provider.setMovieCategoryIndex(i),
|
|
child: AnimatedOpacity(
|
|
opacity: isSelected ? 1.0 : 0.5,
|
|
duration: const Duration(milliseconds: 200),
|
|
curve: Curves.easeInOut,
|
|
child: Center(
|
|
child: FittedBox(
|
|
child: Text(
|
|
_categories[i].$1,
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
fontWeight: isSelected ? FontWeight.w600 : FontWeight.w500,
|
|
color: isSelected ? colors.onPrimary : colors.onSurface,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
/// 根据索引获取分类值
|
|
static String categoryValue(int index) =>
|
|
_categories[index.clamp(0, _categories.length - 1)].$2;
|
|
|
|
/// 根据索引获取分类标签
|
|
static String categoryLabel(int index) =>
|
|
_categories[index.clamp(0, _categories.length - 1)].$1;
|
|
|
|
/// 分类数量
|
|
static int get count => _categories.length;
|
|
}
|