mirror of
https://github.com/dz0ny/meshcore-sar.git
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feat: MeshCore SAR - Flutter BLE mesh radio companion app
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Janez T
261
lib/widgets/map/drawing_layer.dart
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261
lib/widgets/map/drawing_layer.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_map/flutter_map.dart';
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import 'package:latlong2/latlong.dart';
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import '../../models/map_drawing.dart';
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import '../../l10n/app_localizations.dart';
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/// Widget that renders map drawings as polylines
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class DrawingLayer extends StatelessWidget {
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final List<MapDrawing> drawings;
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final MapDrawing? previewDrawing;
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final bool isSimpleMode;
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const DrawingLayer({
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super.key,
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required this.drawings,
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this.previewDrawing,
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this.isSimpleMode = false,
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});
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@override
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Widget build(BuildContext context) {
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final List<Polyline> polylines = [];
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// Add completed drawings
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for (final drawing in drawings) {
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polylines.add(_createPolyline(drawing, isPreview: false));
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}
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// Add preview drawing (if any)
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if (previewDrawing != null) {
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polylines.add(_createPolyline(previewDrawing!, isPreview: true));
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}
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return PolylineLayer(polylines: polylines);
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}
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/// Create a polyline from a drawing
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Polyline _createPolyline(MapDrawing drawing, {required bool isPreview}) {
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final points = _getPoints(drawing);
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// Different styles for different drawing sources
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final double opacity;
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final double strokeWidth;
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if (isPreview) {
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// Preview drawing (currently being drawn)
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opacity = 0.6;
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strokeWidth = 4.0;
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} else if (drawing.isReceived) {
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// Received drawing from another node
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// In simple mode: solid (opacity 1.0), in normal mode: translucent (0.7)
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opacity = isSimpleMode ? 1.0 : 0.7;
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strokeWidth = 3.0;
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} else {
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// Local drawing (solid line, normal thickness)
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opacity = 1.0;
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strokeWidth = 4.0;
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}
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return Polyline(
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points: points,
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color: drawing.color.withValues(alpha: opacity),
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strokeWidth: strokeWidth,
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borderColor: Colors.white.withValues(alpha: opacity * 0.8),
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borderStrokeWidth: 1.0,
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// Use dotted pattern for received drawings
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pattern: drawing.isReceived && !isPreview
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? StrokePattern.dotted(spacingFactor: 2)
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: const StrokePattern.solid(),
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);
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}
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/// Get points from a drawing based on its type
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List<LatLng> _getPoints(MapDrawing drawing) {
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if (drawing is LineDrawing) {
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return drawing.points;
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} else if (drawing is RectangleDrawing) {
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return drawing.corners;
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}
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return [];
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}
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}
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/// Widget that shows drawing markers (start/end points)
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class DrawingMarkersLayer extends StatelessWidget {
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final List<MapDrawing> drawings;
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final Function(String drawingId)? onDeleteDrawing;
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final Function(MapDrawing drawing)? onTapDrawing;
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final bool showDeleteButtons;
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final bool isSimpleMode;
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const DrawingMarkersLayer({
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super.key,
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required this.drawings,
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this.onDeleteDrawing,
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this.onTapDrawing,
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this.showDeleteButtons = false,
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this.isSimpleMode = false,
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});
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@override
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Widget build(BuildContext context) {
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final List<Marker> markers = [];
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// Add markers for each drawing
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for (final drawing in drawings) {
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final centerPoint = _getCenterPoint(drawing);
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if (centerPoint != null) {
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if (showDeleteButtons) {
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// Show delete button when in drawing mode
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markers.add(
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Marker(
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point: centerPoint,
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width: 40,
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height: 40,
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child: GestureDetector(
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onTap: () {
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if (onDeleteDrawing != null) {
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_showDeleteDialog(context, drawing);
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}
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},
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child: Container(
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decoration: BoxDecoration(
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color: drawing.color.withValues(alpha: 0.9),
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shape: BoxShape.circle,
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border: Border.all(color: Colors.white, width: 2),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.3),
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blurRadius: 4,
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offset: const Offset(0, 2),
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),
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],
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),
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child: const Icon(
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Icons.close,
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color: Colors.white,
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size: 20,
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),
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),
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),
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),
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);
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} else if (drawing.isReceived && drawing.senderName != null && !isSimpleMode) {
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// Show sender badge for received drawings (when not in drawing mode and not in simple mode)
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// Make it tappable if message ID is available
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markers.add(
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Marker(
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point: centerPoint,
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width: 120,
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height: 30,
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child: GestureDetector(
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onTap: drawing.messageId != null && onTapDrawing != null
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? () => onTapDrawing!(drawing)
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: null,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(
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color: drawing.color.withValues(alpha: 0.9),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.white, width: 1.5),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.3),
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blurRadius: 4,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(
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Icons.person,
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color: Colors.white,
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size: 14,
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),
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const SizedBox(width: 4),
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Flexible(
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child: Text(
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drawing.senderName!,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 11,
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fontWeight: FontWeight.bold,
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),
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overflow: TextOverflow.ellipsis,
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maxLines: 1,
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),
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),
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// Add indicator that this is tappable
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if (drawing.messageId != null && onTapDrawing != null) ...[
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const SizedBox(width: 4),
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const Icon(
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Icons.arrow_forward_ios,
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color: Colors.white,
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size: 10,
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),
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],
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],
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),
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),
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),
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),
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);
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}
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}
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}
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if (markers.isEmpty) {
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return const SizedBox.shrink();
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}
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return MarkerLayer(markers: markers);
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}
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/// Get the center point of a drawing
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LatLng? _getCenterPoint(MapDrawing drawing) {
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if (drawing is LineDrawing && drawing.points.isNotEmpty) {
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// Use the middle point of the line
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final midIndex = drawing.points.length ~/ 2;
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return drawing.points[midIndex];
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} else if (drawing is RectangleDrawing) {
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// Use the center of the rectangle
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return LatLng(
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(drawing.topLeft.latitude + drawing.bottomRight.latitude) / 2,
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(drawing.topLeft.longitude + drawing.bottomRight.longitude) / 2,
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);
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}
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return null;
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}
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/// Show delete confirmation dialog
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void _showDeleteDialog(BuildContext context, MapDrawing drawing) {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: Text(AppLocalizations.of(context)!.deleteDrawing),
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content: Text(
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'Delete this ${drawing.type.name}?',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: Text(AppLocalizations.of(context)!.cancel),
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),
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TextButton(
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onPressed: () {
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Navigator.pop(context);
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onDeleteDrawing?.call(drawing.id);
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},
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style: TextButton.styleFrom(
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foregroundColor: Colors.red,
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),
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child: Text(AppLocalizations.of(context)!.delete),
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),
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],
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),
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);
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}
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}
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