130 lines
3.1 KiB
Dart
130 lines
3.1 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:aves/model/gpx/gpx_track.dart';
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import 'package:aves/utils/gpx_parser.dart';
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import 'package:aves/widgets/gpx/gpx_map_page.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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class GpxFilesPage extends StatefulWidget {
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static const routeName = '/gpx';
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const GpxFilesPage({super.key});
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@override
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State<GpxFilesPage> createState() => _GpxFilesPageState();
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}
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class _GpxFilesPageState extends State<GpxFilesPage> {
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final List<GpxTrack> _tracks = [];
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Future<void> _pickGpxFile() async {
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try {
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final result = await FilePicker.platform.pickFiles(
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type: FileType.any,
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withData: true,
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);
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final pickedFile = result?.files.single;
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if (pickedFile == null) return;
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final fileName = pickedFile.name.toLowerCase();
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if (!fileName.endsWith('.gpx')) {
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if (!mounted) return;
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_showMessage('Seleziona un file GPX.');
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return;
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}
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final xml = await _readPickedFile(pickedFile);
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final track = GpxParser.parse(
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xml,
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fallbackName: pickedFile.name,
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);
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if (track.isEmpty) {
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if (!mounted) return;
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_showMessage('Nessuna traccia valida trovata nel file GPX.');
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return;
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}
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if (!mounted) return;
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setState(() {
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_tracks.add(track);
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});
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} catch (e) {
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if (!mounted) return;
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_showMessage('Impossibile leggere il file GPX: $e');
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}
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}
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Future<String> _readPickedFile(PlatformFile pickedFile) async {
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final bytes = pickedFile.bytes;
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if (bytes != null) {
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return utf8.decode(bytes);
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}
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final path = pickedFile.path;
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if (path == null) {
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throw Exception('percorso file non disponibile');
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}
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return File(path).readAsString();
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}
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void _openTrack(GpxTrack track) {
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Navigator.of(context).push(
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MaterialPageRoute(
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builder: (_) => GpxMapPage(track: track),
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),
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);
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}
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void _showMessage(String message) {
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ScaffoldMessenger.maybeOf(context)?.showSnackBar(
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SnackBar(
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content: Text(message),
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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('GPX'),
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actions: [
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IconButton(
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icon: const Icon(Icons.add),
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tooltip: 'Apri file GPX',
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onPressed: _pickGpxFile,
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),
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],
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),
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body: _tracks.isEmpty
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? Center(
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child: TextButton.icon(
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onPressed: _pickGpxFile,
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icon: const Icon(Icons.upload_file),
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label: const Text('Apri file GPX'),
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),
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)
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: ListView.builder(
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itemCount: _tracks.length,
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itemBuilder: (context, index) {
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final track = _tracks[index];
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return ListTile(
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leading: const Icon(Icons.route),
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title: Text(track.name),
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subtitle: Text('${track.pointCount} punti'),
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onTap: () => _openTrack(track),
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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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