feat: move sensor details to sheet, implement placement on floor plan

lib/features/floorplan/widgets/floor_plan_editor.dart

@@ -1,7 +1,9 @@
+import 'dart:async';
 import 'dart:convert';
 
 import 'package:flutter/material.dart';
 import 'package:webview_flutter/webview_flutter.dart';
+import 'package:vibration/vibration.dart';
 
 import '../../../domain/models/floor.dart';
 import '../../../domain/models/floor_plan_mode.dart';
@@ -43,6 +45,7 @@ class FloorPlanEditorState extends State<FloorPlanEditor> {
 
   int? _selectedRoomId;
   String? _selectedSensorId;
+  Completer<({int? roomId, double? x, double? y})>? _placementCompleter;
 
   @override
   void initState() {
@@ -82,6 +85,8 @@ class FloorPlanEditorState extends State<FloorPlanEditor> {
           });
         } else {
           widget.onSensorTapped(id);
+          Vibration.hasVibrator()
+              .then((t) { if(t) Vibration.vibrate(duration: 20); });
         }
       case 'sensorMoved':
         widget.onSensorMoved(
@@ -110,6 +115,12 @@ class FloorPlanEditorState extends State<FloorPlanEditor> {
           _selectedRoomId = null;
           _selectedSensorId = null;
         });
+      case 'positionAtCenter':
+        final roomId = (data['roomId'] as num?)?.toInt();
+        final x = (data['x'] as num?)?.toDouble();
+        final y = (data['y'] as num?)?.toDouble();
+        _placementCompleter?.complete((roomId: roomId, x: x, y: y));
+        _placementCompleter = null;
     }
   }
 
@@ -208,6 +219,17 @@ class FloorPlanEditorState extends State<FloorPlanEditor> {
     });
   }
 
+  /// Asks JS for the room + room-relative coords at the canvas center.
+  /// Returns null roomId if no room is under the center dot.
+  Future<({int? roomId, double? x, double? y})> getPositionAtCenter() {
+    final c = Completer<({int? roomId, double? x, double? y})>();
+    _placementCompleter = c;
+    _run(() async {
+      await _controller.runJavaScript('window.companion.getPositionAtCenter()');
+    });
+    return c.future;
+  }
+
   @override
   Widget build(BuildContext context) {
     final inEditMode = widget.mode == FloorPlanMode.edit;