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mileograph_flutter/lib/components/legs/leg_card.dart
Pete Gregory 44d79e7c28
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Improve entries page and latest changes panel, units on events and timeline
2025-12-23 17:41:21 +00:00

343 lines
11 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:mileograph_flutter/objects/objects.dart';
import 'package:mileograph_flutter/services/data_service.dart';
import 'package:provider/provider.dart';
class LegCard extends StatefulWidget {
const LegCard({
super.key,
required this.leg,
this.showEditButton = true,
this.showDate = true,
});
final Leg leg;
final bool showEditButton;
final bool showDate;
@override
State<LegCard> createState() => _LegCardState();
}
class _LegCardState extends State<LegCard> {
bool _expanded = false;
@override
Widget build(BuildContext context) {
final leg = widget.leg;
final routeSegments = _parseRouteSegments(leg.route);
final textTheme = Theme.of(context).textTheme;
return Card(
child: ExpansionTile(
onExpansionChanged: (v) => setState(() => _expanded = v),
tilePadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
leading: const Icon(Icons.train),
title: LayoutBuilder(
builder: (context, constraints) {
final isWide = constraints.maxWidth > 520;
final routeText = Text('${leg.start}${leg.end}');
final timeText =
Text(_formatDateTime(leg.beginTime, includeDate: widget.showDate));
if (!isWide) {
return routeText;
}
return Row(
children: [
timeText,
const SizedBox(width: 6),
const Text('·'),
const SizedBox(width: 6),
Expanded(child: routeText),
],
);
},
),
subtitle: LayoutBuilder(
builder: (context, constraints) {
final isWide = constraints.maxWidth > 520;
final timeWidget =
Text(_formatDateTime(leg.beginTime, includeDate: widget.showDate));
final tractionWrap = !_expanded && leg.locos.isNotEmpty
? Wrap(
spacing: 8,
runSpacing: 4,
children: leg.locos.map((loco) {
final iconColor = loco.powering
? Theme.of(context).colorScheme.primary
: Theme.of(context).hintColor;
final label = '${loco.locoClass} ${loco.number}'.trim();
return Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.train, size: 14, color: iconColor),
const SizedBox(width: 4),
Text(
label.isEmpty ? 'Loco ${loco.id}' : label,
style: textTheme.labelSmall,
),
],
);
}).toList(),
)
: null;
final children = <Widget>[];
if (isWide) {
if (tractionWrap != null) {
children.add(tractionWrap);
}
} else {
children.add(timeWidget);
if (tractionWrap != null) {
children.add(const SizedBox(height: 4));
children.add(tractionWrap);
}
}
if (leg.headcode.isNotEmpty) {
children.add(
Text(
'Headcode: ${leg.headcode}',
style: textTheme.labelSmall,
),
);
}
if (leg.network.isNotEmpty) {
children.add(
Text(
leg.network,
style: textTheme.labelSmall,
),
);
}
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: children,
);
},
),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text(
'${leg.mileage.toStringAsFixed(1)} mi',
style: textTheme.labelLarge?.copyWith(
fontWeight: FontWeight.w700,
),
),
if (leg.tripId != 0) ...[
const SizedBox(height: 2),
Text(
'Trip #${leg.tripId}',
style: textTheme.labelSmall,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
],
],
),
if (widget.showEditButton) ...[
const SizedBox(width: 8),
IconButton(
tooltip: 'Edit entry',
icon: const Icon(Icons.edit),
visualDensity: VisualDensity.compact,
padding: EdgeInsets.zero,
constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
onPressed: () => context.push('/legs/edit/${leg.id}'),
),
if (_expanded) ...[
const SizedBox(width: 4),
IconButton(
tooltip: 'Delete entry',
icon: const Icon(Icons.delete_outline),
color: Theme.of(context).colorScheme.error,
visualDensity: VisualDensity.compact,
padding: EdgeInsets.zero,
constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
onPressed: () => _confirmDelete(context, leg.id),
),
],
],
],
),
children: [
Padding(
padding: const EdgeInsets.fromLTRB(16, 0, 16, 12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (leg.notes.isNotEmpty) ...[
Text('Notes', style: textTheme.titleSmall),
const SizedBox(height: 4),
Text(leg.notes),
const SizedBox(height: 12),
],
if (leg.locos.isNotEmpty) ...[
Text('Locos', style: textTheme.titleSmall),
const SizedBox(height: 6),
Wrap(
spacing: 8,
runSpacing: 8,
children: _buildLocoChips(context, leg),
),
const SizedBox(height: 12),
],
if (routeSegments.isNotEmpty) ...[
Text('Route', style: textTheme.titleSmall),
const SizedBox(height: 6),
_buildRouteList(routeSegments),
],
],
),
),
],
),
);
}
Future<void> _confirmDelete(BuildContext context, int legId) async {
final confirmed = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('Delete entry?'),
content: const Text('Are you sure you want to delete this entry?'),
actions: [
TextButton(
onPressed: () => Navigator.of(ctx).pop(false),
child: const Text('Cancel'),
),
FilledButton(
onPressed: () => Navigator.of(ctx).pop(true),
child: const Text('Delete'),
),
],
),
);
if (confirmed != true) return;
final data = context.read<DataService>();
final messenger = ScaffoldMessenger.of(context);
try {
await data.api.delete('/legs/delete?leg_id=$legId');
await data.refreshLegs();
messenger.showSnackBar(const SnackBar(content: Text('Entry deleted')));
} catch (e) {
messenger.showSnackBar(
SnackBar(content: Text('Failed to delete entry: $e')),
);
}
}
String _formatDate(DateTime? date) {
if (date == null) return '';
return '${date.year.toString().padLeft(4, '0')}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
}
String _formatTime(DateTime date) {
return '${date.hour.toString().padLeft(2, '0')}:${date.minute.toString().padLeft(2, '0')}';
}
String _formatDateTime(DateTime date, {bool includeDate = true}) {
final timeStr = _formatTime(date);
if (!includeDate) return timeStr;
final dateStr = _formatDate(date);
return '$dateStr · $timeStr';
}
List<Widget> _buildLocoChips(BuildContext context, Leg leg) {
final theme = Theme.of(context);
final textTheme = theme.textTheme;
return leg.locos
.map(
(loco) {
final powering = loco.powering == true;
final iconColor =
powering ? theme.colorScheme.primary : theme.disabledColor;
final labelStyle = powering
? null
: textTheme.bodyMedium?.copyWith(color: theme.disabledColor);
final background = powering
? theme.colorScheme.surfaceContainerHighest
: theme.colorScheme.surfaceContainerLow;
return Chip(
label: Text(
'${loco.locoClass} ${loco.number}',
style: labelStyle,
),
avatar: Icon(
Icons.directions_railway,
size: 16,
color: iconColor,
),
backgroundColor: background,
);
},
)
.toList();
}
Widget _buildRouteList(List<String> segments) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: segments
.map(
(segment) => Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: Row(
children: [
const Icon(Icons.circle, size: 10),
const SizedBox(width: 8),
Expanded(child: Text(segment)),
],
),
),
)
.toList(),
);
}
List<String> _parseRouteSegments(String route) {
final trimmed = route.trim();
if (trimmed.isEmpty) return [];
try {
final decoded = jsonDecode(trimmed);
if (decoded is List) {
return decoded.map((e) => e.toString()).toList();
}
} catch (_) {}
if (trimmed.startsWith('[') && trimmed.endsWith(']')) {
try {
final replaced = trimmed.replaceAll("'", '"');
final decoded = jsonDecode(replaced);
if (decoded is List) {
return decoded.map((e) => e.toString()).toList();
}
} catch (_) {}
}
if (trimmed.contains('->')) {
return trimmed
.split('->')
.map((e) => e.trim())
.where((e) => e.isNotEmpty)
.toList();
}
if (trimmed.contains(',')) {
return trimmed
.split(',')
.map((e) => e.trim())
.where((e) => e.isNotEmpty)
.toList();
}
return [trimmed];
}
}