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import 'package:flutter/material.dart';
/// A widget that displays a navigation card with different modes of transportation.
Widget navigationCard(
BuildContext context, {
required List<Map<String, dynamic>> modes,
double height = 260,
}) {
int currentIndex = 0;
return Container(
height: height,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
color: Colors.white,
boxShadow: const [
BoxShadow(
blurRadius: 8,
color: Colors.black12,
offset: Offset(0, 4),
),
],
),
child: StatefulBuilder(
builder: (context, setInnerState) {
return Column(
children: [
// 路线图片
ClipRRect(
borderRadius:
const BorderRadius.vertical(top: Radius.circular(16)),
child: AnimatedSwitcher(
duration: const Duration(milliseconds: 300),
child: Image.network(
modes[currentIndex]["image"] as String,
key: ValueKey<String>(modes[currentIndex]["ntype"] as String),
height: 160,
width: double.infinity,
fit: BoxFit.cover,
),
),
),
// 导航方式切换按钮
Padding(
padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 4),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: List.generate(modes.length, (index) {
final isSelected = index == currentIndex;
return GestureDetector(
onTap: () {
setInnerState(() => currentIndex = index);
},
child: SizedBox(
width: 50,
child: Text(
modes[index]["ntype"] as String,
style: TextStyle(
color: isSelected ? Colors.blue : Colors.black87,
fontSize: 12,
fontWeight: FontWeight.w500,
),
),
),
);
}),
),
),
// 距离和耗时
Padding(
padding: const EdgeInsets.all(8),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text('距离:${modes[currentIndex]["distance"]}',
style: const TextStyle(fontSize: 12, color: Colors.blue)),
Container(
decoration: BoxDecoration(
shape: BoxShape.circle, // 👈 圆形背景
color: Colors.blue,
),
child: Icon(Icons.turn_left,
color: Colors.white, // 👈 圆形图标
size: 20),
)
],
),
),
],
);
},
),
);
}