mirror of
https://github.com/dz0ny/meshcore-sar.git
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initial commit
This commit is contained in:
Janez T
728
lib/screens/map_management_screen.dart
Normal file
728
lib/screens/map_management_screen.dart
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@@ -0,0 +1,728 @@
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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 'package:file_picker/file_picker.dart';
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import 'package:share_plus/share_plus.dart';
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import '../services/tile_cache_service.dart';
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import '../models/map_layer.dart';
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class MapManagementScreen extends StatefulWidget {
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final TileCacheService tileCacheService;
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final MapLayer? initialLayer;
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final LatLngBounds? initialBounds;
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final int? initialZoom;
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const MapManagementScreen({
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super.key,
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required this.tileCacheService,
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this.initialLayer,
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this.initialBounds,
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this.initialZoom,
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});
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@override
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State<MapManagementScreen> createState() => _MapManagementScreenState();
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}
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class _MapManagementScreenState extends State<MapManagementScreen> {
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bool _isLoading = false;
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String? _statusMessage;
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Map<String, dynamic>? _cacheStats;
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// Download parameters
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late MapLayer _selectedLayer;
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late TextEditingController _northController;
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late TextEditingController _southController;
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late TextEditingController _eastController;
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late TextEditingController _westController;
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late int _minZoom;
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late int _maxZoom;
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double _downloadProgress = 0.0;
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bool _isDownloading = false;
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@override
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void initState() {
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super.initState();
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// Initialize with provided values or defaults
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_selectedLayer = widget.initialLayer ?? MapLayer.openStreetMap;
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if (widget.initialBounds != null) {
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_northController = TextEditingController(
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text: widget.initialBounds!.north.toStringAsFixed(4),
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);
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_southController = TextEditingController(
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text: widget.initialBounds!.south.toStringAsFixed(4),
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);
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_eastController = TextEditingController(
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text: widget.initialBounds!.east.toStringAsFixed(4),
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);
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_westController = TextEditingController(
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text: widget.initialBounds!.west.toStringAsFixed(4),
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);
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} else {
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_northController = TextEditingController(text: '46.1');
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_southController = TextEditingController(text: '46.0');
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_eastController = TextEditingController(text: '14.6');
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_westController = TextEditingController(text: '14.4');
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}
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// Set zoom levels
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if (widget.initialZoom != null) {
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_minZoom = (widget.initialZoom! - 2).clamp(1, 19);
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_maxZoom = (widget.initialZoom! + 2).clamp(1, 19);
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} else {
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_minZoom = 10;
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_maxZoom = 16;
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}
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_loadCacheStats();
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}
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@override
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void dispose() {
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_northController.dispose();
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_southController.dispose();
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_eastController.dispose();
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_westController.dispose();
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super.dispose();
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}
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Future<void> _loadCacheStats() async {
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if (!mounted) return;
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setState(() => _isLoading = true);
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try {
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final stats = await widget.tileCacheService.getStoreStats();
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if (!mounted) return;
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setState(() {
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_cacheStats = stats;
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_isLoading = false;
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});
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} catch (e) {
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if (!mounted) return;
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setState(() {
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_statusMessage = 'Error loading stats: $e';
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_isLoading = false;
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});
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}
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}
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Future<void> _downloadRegion() async {
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try {
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final north = double.tryParse(_northController.text);
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final south = double.tryParse(_southController.text);
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final east = double.tryParse(_eastController.text);
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final west = double.tryParse(_westController.text);
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if (north == null || south == null || east == null || west == null) {
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_showError('Invalid coordinates. Please enter valid numbers.');
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return;
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}
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if (north <= south || east <= west) {
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_showError('Invalid bounds. North must be > South, East must be > West.');
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return;
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}
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final bounds = LatLngBounds(
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LatLng(south, west),
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LatLng(north, east),
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);
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if (!mounted) return;
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setState(() {
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_isDownloading = true;
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_downloadProgress = 0.0;
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_statusMessage = 'Starting download...';
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});
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await widget.tileCacheService.downloadRegion(
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layer: _selectedLayer,
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bounds: bounds,
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minZoom: _minZoom,
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maxZoom: _maxZoom,
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onProgress: (progress) {
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print('UI received progress update: $progress%');
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if (!mounted) return;
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setState(() {
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_downloadProgress = progress;
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_statusMessage = 'Downloading map tiles...';
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});
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},
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);
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if (!mounted) return;
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setState(() {
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_isDownloading = false;
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_statusMessage = 'Download completed successfully!';
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});
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await _loadCacheStats();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Map download completed!'),
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backgroundColor: Colors.green,
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),
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);
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}
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} catch (e) {
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if (!mounted) return;
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setState(() {
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_isDownloading = false;
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_statusMessage = 'Download failed: $e';
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});
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_showError('Download failed: $e');
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}
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}
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Future<void> _cancelDownload() async {
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try {
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if (!mounted) return;
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setState(() => _statusMessage = 'Cancelling download...');
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await widget.tileCacheService.cancelDownload();
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if (!mounted) return;
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setState(() {
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_isDownloading = false;
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_statusMessage = 'Download cancelled';
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});
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await _loadCacheStats();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Download cancelled'),
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backgroundColor: Colors.orange,
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),
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);
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}
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} catch (e) {
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if (!mounted) return;
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setState(() {
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_isDownloading = false;
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_statusMessage = 'Cancel failed: $e';
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});
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_showError('Cancel failed: $e');
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}
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}
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Future<void> _exportMaps() async {
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if (!mounted) return;
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setState(() => _isLoading = true);
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try {
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final exportPath = await widget.tileCacheService.exportCache();
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if (!mounted) return;
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setState(() => _isLoading = false);
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if (mounted) {
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await Share.shareXFiles(
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[XFile(exportPath)],
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subject: 'MeshCore SAR Maps Export',
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text: 'Offline maps export from MeshCore SAR',
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);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Maps exported to: $exportPath'),
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backgroundColor: Colors.green,
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duration: const Duration(seconds: 5),
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),
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);
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}
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} catch (e) {
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if (!mounted) return;
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setState(() => _isLoading = false);
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_showError('Export failed: $e');
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}
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}
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Future<void> _importMaps() async {
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try {
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final result = await FilePicker.platform.pickFiles(
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type: FileType.custom,
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allowedExtensions: ['fmtc'],
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allowMultiple: false,
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);
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if (result == null || result.files.isEmpty) {
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return;
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}
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if (!mounted) return;
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setState(() => _isLoading = true);
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final filePath = result.files.first.path;
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if (filePath == null) {
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throw Exception('Invalid file path');
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}
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await widget.tileCacheService.importCache(filePath);
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if (!mounted) return;
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setState(() => _isLoading = false);
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await _loadCacheStats();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Maps imported successfully!'),
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backgroundColor: Colors.green,
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),
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);
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}
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} catch (e) {
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if (!mounted) return;
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setState(() => _isLoading = false);
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_showError('Import failed: $e');
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}
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}
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Future<void> _clearCache() async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Clear Cache'),
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content: const Text(
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'Are you sure you want to delete all downloaded maps? This action cannot be undone.',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('Cancel'),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, true),
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style: TextButton.styleFrom(foregroundColor: Colors.red),
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child: const Text('Clear'),
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),
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],
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),
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);
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if (confirmed != true) return;
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if (!mounted) return;
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setState(() => _isLoading = true);
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try {
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await widget.tileCacheService.clearCache();
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if (!mounted) return;
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setState(() => _isLoading = false);
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await _loadCacheStats();
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|
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Cache cleared successfully!'),
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backgroundColor: Colors.green,
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),
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);
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}
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} catch (e) {
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setState(() => _isLoading = false);
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_showError('Clear cache failed: $e');
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}
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}
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void _showError(String message) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(message),
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backgroundColor: Colors.red,
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duration: const Duration(seconds: 4),
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),
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Map Management'),
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Cache Statistics
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_buildStatisticsCard(),
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const SizedBox(height: 16),
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// Download Region
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_buildDownloadCard(),
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const SizedBox(height: 16),
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// Import/Export/Clear
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_buildActionsCard(),
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||||
],
|
||||
),
|
||||
),
|
||||
);
|
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}
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|
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Widget _buildStatisticsCard() {
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return Card(
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child: Padding(
|
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padding: const EdgeInsets.all(16),
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child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
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children: [
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Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
|
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Text(
|
||||
'Cache Statistics',
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||||
style: Theme.of(context).textTheme.titleLarge,
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||||
),
|
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IconButton(
|
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icon: const Icon(Icons.refresh),
|
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onPressed: _loadCacheStats,
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),
|
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],
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),
|
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const SizedBox(height: 16),
|
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if (_cacheStats != null) ...[
|
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_buildStatRow(
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'Total Tiles',
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'${_cacheStats!['tileCount'] ?? 0}',
|
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Icons.grid_on,
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),
|
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_buildStatRow(
|
||||
'Cache Size',
|
||||
'${(_cacheStats!['sizeMB'] ?? 0.0).toStringAsFixed(2)} MB',
|
||||
Icons.storage,
|
||||
),
|
||||
_buildStatRow(
|
||||
'Store Name',
|
||||
_cacheStats!['storeName'] ?? 'Unknown',
|
||||
Icons.folder,
|
||||
),
|
||||
] else
|
||||
const Text('No cache statistics available'),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildStatRow(String label, String value, IconData icon) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 8),
|
||||
child: Row(
|
||||
children: [
|
||||
Icon(icon, size: 20, color: Colors.grey[600]),
|
||||
const SizedBox(width: 12),
|
||||
Expanded(
|
||||
child: Text(label, style: const TextStyle(fontWeight: FontWeight.w500)),
|
||||
),
|
||||
Text(value, style: TextStyle(color: Colors.grey[600])),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildDownloadCard() {
|
||||
return Card(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(16),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
'Download Region',
|
||||
style: Theme.of(context).textTheme.titleLarge,
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
|
||||
// Map Layer Selection
|
||||
DropdownButtonFormField<MapLayer>(
|
||||
value: _selectedLayer,
|
||||
decoration: const InputDecoration(
|
||||
labelText: 'Map Layer',
|
||||
border: OutlineInputBorder(),
|
||||
),
|
||||
items: MapLayer.allLayers.map((layer) {
|
||||
return DropdownMenuItem(
|
||||
value: layer,
|
||||
child: Text(layer.name),
|
||||
);
|
||||
}).toList(),
|
||||
onChanged: _isDownloading ? null : (layer) {
|
||||
if (layer != null) {
|
||||
setState(() => _selectedLayer = layer);
|
||||
}
|
||||
},
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
|
||||
// Coordinates
|
||||
Text(
|
||||
'Region Bounds',
|
||||
style: Theme.of(context).textTheme.titleMedium,
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
Row(
|
||||
children: [
|
||||
Expanded(
|
||||
child: TextField(
|
||||
controller: _northController,
|
||||
decoration: const InputDecoration(
|
||||
labelText: 'North',
|
||||
border: OutlineInputBorder(),
|
||||
hintText: '46.1',
|
||||
),
|
||||
keyboardType: const TextInputType.numberWithOptions(decimal: true),
|
||||
enabled: !_isDownloading,
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 8),
|
||||
Expanded(
|
||||
child: TextField(
|
||||
controller: _southController,
|
||||
decoration: const InputDecoration(
|
||||
labelText: 'South',
|
||||
border: OutlineInputBorder(),
|
||||
hintText: '46.0',
|
||||
),
|
||||
keyboardType: const TextInputType.numberWithOptions(decimal: true),
|
||||
enabled: !_isDownloading,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
Row(
|
||||
children: [
|
||||
Expanded(
|
||||
child: TextField(
|
||||
controller: _eastController,
|
||||
decoration: const InputDecoration(
|
||||
labelText: 'East',
|
||||
border: OutlineInputBorder(),
|
||||
hintText: '14.6',
|
||||
),
|
||||
keyboardType: const TextInputType.numberWithOptions(decimal: true),
|
||||
enabled: !_isDownloading,
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 8),
|
||||
Expanded(
|
||||
child: TextField(
|
||||
controller: _westController,
|
||||
decoration: const InputDecoration(
|
||||
labelText: 'West',
|
||||
border: OutlineInputBorder(),
|
||||
hintText: '14.4',
|
||||
),
|
||||
keyboardType: const TextInputType.numberWithOptions(decimal: true),
|
||||
enabled: !_isDownloading,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
|
||||
// Zoom Levels
|
||||
Text(
|
||||
'Zoom Levels',
|
||||
style: Theme.of(context).textTheme.titleMedium,
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
Row(
|
||||
children: [
|
||||
Expanded(
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text('Min: $_minZoom'),
|
||||
Slider(
|
||||
value: _minZoom.toDouble(),
|
||||
min: 1,
|
||||
max: 19,
|
||||
divisions: 18,
|
||||
label: '$_minZoom',
|
||||
onChanged: _isDownloading ? null : (value) {
|
||||
setState(() {
|
||||
_minZoom = value.toInt();
|
||||
if (_minZoom > _maxZoom) {
|
||||
_maxZoom = _minZoom;
|
||||
}
|
||||
});
|
||||
},
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 16),
|
||||
Expanded(
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text('Max: $_maxZoom'),
|
||||
Slider(
|
||||
value: _maxZoom.toDouble(),
|
||||
min: 1,
|
||||
max: 19,
|
||||
divisions: 18,
|
||||
label: '$_maxZoom',
|
||||
onChanged: _isDownloading ? null : (value) {
|
||||
setState(() {
|
||||
_maxZoom = value.toInt();
|
||||
if (_maxZoom < _minZoom) {
|
||||
_minZoom = _maxZoom;
|
||||
}
|
||||
});
|
||||
},
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
|
||||
// Download Progress
|
||||
if (_isDownloading) ...[
|
||||
const SizedBox(height: 16),
|
||||
Container(
|
||||
padding: const EdgeInsets.all(12),
|
||||
decoration: BoxDecoration(
|
||||
color: Theme.of(context).colorScheme.primaryContainer,
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
border: Border.all(
|
||||
color: Theme.of(context).colorScheme.primary.withOpacity(0.3),
|
||||
),
|
||||
),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: [
|
||||
Text(
|
||||
_statusMessage ?? 'Downloading...',
|
||||
style: TextStyle(
|
||||
fontWeight: FontWeight.w500,
|
||||
color: Theme.of(context).colorScheme.onPrimaryContainer,
|
||||
),
|
||||
),
|
||||
Text(
|
||||
'${_downloadProgress.toStringAsFixed(1)}%',
|
||||
style: TextStyle(
|
||||
fontWeight: FontWeight.bold,
|
||||
fontSize: 16,
|
||||
color: Theme.of(context).colorScheme.onPrimaryContainer,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
ClipRRect(
|
||||
borderRadius: BorderRadius.circular(4),
|
||||
child: LinearProgressIndicator(
|
||||
value: _downloadProgress / 100,
|
||||
minHeight: 8,
|
||||
backgroundColor: Theme.of(context).colorScheme.primary.withOpacity(0.2),
|
||||
valueColor: AlwaysStoppedAnimation<Color>(
|
||||
Theme.of(context).colorScheme.primary,
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
],
|
||||
|
||||
const SizedBox(height: 16),
|
||||
|
||||
// Download/Cancel Button
|
||||
if (_isDownloading)
|
||||
ElevatedButton.icon(
|
||||
onPressed: _cancelDownload,
|
||||
icon: const Icon(Icons.cancel),
|
||||
label: const Text('Cancel Download'),
|
||||
style: ElevatedButton.styleFrom(
|
||||
minimumSize: const Size.fromHeight(48),
|
||||
backgroundColor: Colors.red,
|
||||
foregroundColor: Colors.white,
|
||||
),
|
||||
)
|
||||
else
|
||||
ElevatedButton.icon(
|
||||
onPressed: _downloadRegion,
|
||||
icon: const Icon(Icons.download),
|
||||
label: const Text('Download Region'),
|
||||
style: ElevatedButton.styleFrom(
|
||||
minimumSize: const Size.fromHeight(48),
|
||||
),
|
||||
),
|
||||
|
||||
const SizedBox(height: 8),
|
||||
Text(
|
||||
'Note: Large regions or high zoom levels may take significant time and storage.',
|
||||
style: TextStyle(fontSize: 12, color: Colors.grey[600]),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildActionsCard() {
|
||||
return Card(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(16),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
'Map Actions',
|
||||
style: Theme.of(context).textTheme.titleLarge,
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
|
||||
// Export Button
|
||||
ElevatedButton.icon(
|
||||
onPressed: _isDownloading ? null : _exportMaps,
|
||||
icon: const Icon(Icons.upload),
|
||||
label: const Text('Export Maps'),
|
||||
style: ElevatedButton.styleFrom(
|
||||
minimumSize: const Size.fromHeight(48),
|
||||
),
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
|
||||
// Import Button
|
||||
ElevatedButton.icon(
|
||||
onPressed: _isDownloading ? null : _importMaps,
|
||||
icon: const Icon(Icons.download),
|
||||
label: const Text('Import Maps'),
|
||||
style: ElevatedButton.styleFrom(
|
||||
minimumSize: const Size.fromHeight(48),
|
||||
),
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
|
||||
// Clear Cache Button
|
||||
OutlinedButton.icon(
|
||||
onPressed: _isDownloading ? null : _clearCache,
|
||||
icon: const Icon(Icons.delete_forever),
|
||||
label: const Text('Clear All Maps'),
|
||||
style: OutlinedButton.styleFrom(
|
||||
foregroundColor: Colors.red,
|
||||
minimumSize: const Size.fromHeight(48),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user