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companion/lib/features/floorplan/widgets/konva_web_view.dart
T
2026-05-07 18:35:58 +02:00

83 lines
2.5 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';
import '../../../domain/models/floor_plan_mode.dart';
import '../../../domain/models/tag.dart';
import '../../../domain/models/particle.dart';
import '../../../domain/models/position.dart';
class KonvaWebView extends StatefulWidget {
const KonvaWebView({
super.key,
required this.mode,
required this.onSensorTapped,
required this.onSensorMoved,
});
final FloorPlanMode mode;
final void Function(String sensorId) onSensorTapped;
final void Function(String sensorId, Position newPosition) onSensorMoved;
@override
State<KonvaWebView> createState() => KonvaWebViewState();
}
class KonvaWebViewState extends State<KonvaWebView> {
late final WebViewController _controller;
@override
void initState() {
super.initState();
_controller = WebViewController()
..setJavaScriptMode(JavaScriptMode.unrestricted)
..addJavaScriptChannel('FlutterBridge', onMessageReceived: _onMessage)
..loadFlutterAsset('assets/konva/index.html');
}
void _onMessage(JavaScriptMessage message) {
final data = jsonDecode(message.message) as Map<String, dynamic>;
switch (data['type'] as String?) {
case 'sensorTapped':
widget.onSensorTapped(data['id'] as String);
case 'sensorMoved':
widget.onSensorMoved(
data['id'] as String,
Position(
x: (data['x'] as num).toDouble(),
y: (data['y'] as num).toDouble(),
),
);
}
}
Future<void> updateTags(List<TagPosition> positions) async {
final payload = jsonEncode(positions
.map((p) => {'tagId': p.tagId, 'x': p.position.x, 'y': p.position.y})
.toList());
await _controller.runJavaScript('window.companion.updateTags($payload)');
}
Future<void> updateParticleCloud(List<Particle> particles) async {
final payload = jsonEncode(particles
.map((p) => {'x': p.x, 'y': p.y, 'weight': p.weight})
.toList());
await _controller.runJavaScript('window.companion.updateCloud($payload)');
}
Future<void> highlightSensor(String? sensorId) async {
final id = sensorId == null ? 'null' : '"$sensorId"';
await _controller.runJavaScript('window.companion.highlightSensor($id)');
}
Future<void> setMode(FloorPlanMode mode) async {
await _controller.runJavaScript(
'window.companion.setMode("${mode.name}")',
);
}
@override
Widget build(BuildContext context) => WebViewWidget(controller: _controller);
}