Files
impact/lib/features/analysis/impact_editor_screen.dart
2026-06-09 00:12:10 +02:00

284 lines
10 KiB
Dart

/// Écran d'édition des impacts — PLEIN ÉCRAN dédié au zoom et au placement.
///
/// Cet écran est volontairement minimal : un Scaffold dont le body est
/// directement un InteractiveViewer (sans SingleScrollView ni AspectRatio
/// contraint autour). C'est la configuration la plus fiable pour le pinch :
/// l'InteractiveViewer reçoit les deux doigts sans concurrence avec un
/// scroll vertical ou une transformation parente.
///
/// Interactions :
/// - Tap sur zone vide -> ajoute un impact
/// - Tap sur un impact -> ouvre l'édition (score / suppression)
/// - Appui long + glisser -> déplace l'impact
///
/// L'état des impacts est partagé avec l'écran d'analyse via le MÊME
/// AnalysisProvider (passé en ChangeNotifierProvider.value côté appelant).
library;
import 'dart:io';
import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../core/theme/app_theme.dart';
import '../../data/models/shot.dart';
import 'analysis_provider.dart';
import 'widgets/target_overlay.dart';
class ImpactEditorScreen extends StatefulWidget {
const ImpactEditorScreen({super.key});
@override
State<ImpactEditorScreen> createState() => _ImpactEditorScreenState();
}
class _ImpactEditorScreenState extends State<ImpactEditorScreen> {
final TransformationController _transformationController =
TransformationController();
final GlobalKey _imageKey = GlobalKey();
double _currentZoomScale = 1.0;
String? _movingShotId;
@override
void initState() {
super.initState();
_transformationController.addListener(_onTransformChanged);
}
@override
void dispose() {
_transformationController.removeListener(_onTransformChanged);
_transformationController.dispose();
super.dispose();
}
void _onTransformChanged() {
final scale = _transformationController.value.getMaxScaleOnAxis();
if (scale != _currentZoomScale) {
setState(() => _currentZoomScale = scale);
}
}
/// Convertit une position globale en coordonnées relatives (0..1) sur l'image.
Offset? _toImageRelative(Offset globalPosition) {
final RenderBox? box =
_imageKey.currentContext?.findRenderObject() as RenderBox?;
if (box == null) return null;
final local = box.globalToLocal(globalPosition);
final relX = (local.dx / box.size.width).clamp(0.0, 1.0);
final relY = (local.dy / box.size.height).clamp(0.0, 1.0);
return Offset(relX, relY);
}
/// Renvoie l'impact le plus proche de [rel] dans la tolérance, sinon null.
Shot? _hitTestShot(AnalysisProvider provider, Offset rel,
{double tolerance = 0.04}) {
Shot? closest;
double minDistance = double.infinity;
for (final shot in provider.shots) {
final dx = shot.x - rel.dx;
final dy = shot.y - rel.dy;
final distance = math.sqrt(dx * dx + dy * dy);
if (distance < minDistance && distance < tolerance) {
minDistance = distance;
closest = shot;
}
}
return closest;
}
@override
Widget build(BuildContext context) {
final provider = context.watch<AnalysisProvider>();
return Scaffold(
backgroundColor: Colors.black,
appBar: AppBar(
backgroundColor: Colors.black,
title: Text('Placement des impacts (${provider.shotCount})'),
leading: IconButton(
icon: const Icon(Icons.arrow_back),
tooltip: 'Retour à la calibration',
onPressed: () => Navigator.pop(context, false),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, true),
child: const Text(
'VALIDER',
style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold),
),
),
],
),
body: Column(
children: [
// Bandeau d'aide compact
Container(
width: double.infinity,
color: Colors.white10,
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: const Text(
'Tap : ajouter • Tap sur impact : éditer • Appui long : déplacer • Pincer : zoomer',
style: TextStyle(color: Colors.white70, fontSize: 12),
textAlign: TextAlign.center,
),
),
// Zone image plein écran : InteractiveViewer dans un body nu.
Expanded(
child: InteractiveViewer(
transformationController: _transformationController,
minScale: 1.0,
maxScale: 12.0,
boundaryMargin: const EdgeInsets.all(80),
panEnabled: _movingShotId == null,
child: Center(
child: GestureDetector(
behavior: HitTestBehavior.opaque,
// TAP : éditer si on touche un impact, sinon ajouter.
onTapUp: (details) {
if (_movingShotId != null) return;
final rel = _toImageRelative(details.globalPosition);
if (rel == null) return;
final hit = _hitTestShot(provider, rel);
if (hit != null) {
_showShotDetails(context, provider, hit);
} else {
provider.addShot(rel.dx, rel.dy);
}
},
// APPUI LONG : on saisit l'impact le plus proche pour le déplacer.
onLongPressStart: (details) {
final rel = _toImageRelative(details.globalPosition);
if (rel == null) return;
final hit = _hitTestShot(provider, rel, tolerance: 0.06);
if (hit != null) {
setState(() => _movingShotId = hit.id);
}
},
onLongPressMoveUpdate: (details) {
if (_movingShotId == null) return;
// Décalage pour que l'impact reste visible au-dessus du doigt.
final adjusted =
details.globalPosition + const Offset(-25, -35);
final rel = _toImageRelative(adjusted);
if (rel == null) return;
provider.updateShotPosition(
_movingShotId!, rel.dx, rel.dy);
},
onLongPressEnd: (_) {
if (_movingShotId != null) {
setState(() => _movingShotId = null);
}
},
child: Stack(
children: [
Image.file(
File(provider.imagePath!),
key: _imageKey,
fit: BoxFit.contain,
),
Positioned.fill(
child: TargetOverlay(
targetCenterX: provider.targetCenterX,
targetCenterY: provider.targetCenterY,
targetRadius: provider.targetRadius,
targetType: provider.targetType!,
shots: provider.shots,
showRings: true,
zoomScale: _currentZoomScale,
// L'ajout et la sélection sont gérés par le
// GestureDetector parent ci-dessus.
onShotTapped: (shot) =>
_showShotDetails(context, provider, shot),
),
),
],
),
),
),
),
),
],
),
);
}
void _showShotDetails(
BuildContext context,
AnalysisProvider provider,
Shot shot,
) {
showModalBottomSheet(
context: context,
builder: (context) => Container(
padding: const EdgeInsets.all(24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
'Impact #${provider.shots.indexOf(shot) + 1}',
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 18),
),
Text(
'ID: ${shot.id}',
style: Theme.of(context)
.textTheme
.bodySmall
?.copyWith(color: Colors.grey, fontSize: 10),
),
const SizedBox(height: 16),
ListTile(
leading: const Icon(Icons.score),
title: const Text('Modifier le score'),
trailing: DropdownButton<int>(
value: shot.score.clamp(0, 10),
items: List.generate(11, (index) => index)
.map(
(s) => DropdownMenuItem(
value: s,
child: Text(
'$s',
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 18,
),
),
),
)
.toList(),
onChanged: (newScore) {
if (newScore != null) {
provider.updateShotScore(shot.id, newScore);
Navigator.pop(context);
}
},
),
),
const SizedBox(height: 24),
Row(
children: [
Expanded(
child: OutlinedButton.icon(
onPressed: () {
provider.removeShot(shot.id);
Navigator.pop(context);
},
icon: const Icon(Icons.delete, color: Colors.red),
label: const Text(
'SUPPRIMER',
style: TextStyle(color: Colors.red),
),
),
),
],
),
],
),
),
);
}
}