mirror of
https://github.com/Dvorinka/swingmusic-extended.git
synced 2026-06-03 20:13:02 +00:00
Restore original swingmusic_mobile folder from 9f1623b
This commit is contained in:
Tomas Dvorak
@@ -0,0 +1,374 @@
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import 'package:flutter/material.dart';
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class OfflineScreen extends StatefulWidget {
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const OfflineScreen({super.key});
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@override
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State<OfflineScreen> createState() => _OfflineScreenState();
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}
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class _OfflineScreenState extends State<OfflineScreen> {
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bool _isOfflineMode = false;
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final List<Map<String, dynamic>> _downloadedTracks = [];
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int _totalDownloads = 0;
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int _completedDownloads = 0;
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double _totalDownloadSize = 0.0;
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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('Offline Mode'),
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elevation: 0,
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backgroundColor: Theme.of(context).colorScheme.surface,
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actions: [
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Switch(
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value: _isOfflineMode,
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onChanged: (value) {
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setState(() {
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_isOfflineMode = value;
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});
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},
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activeThumbColor: Theme.of(context).colorScheme.primary,
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activeTrackColor: Theme.of(context).colorScheme.onPrimary,
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),
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],
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),
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body: Column(
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children: [
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// Offline Mode Toggle Card
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Container(
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margin: const EdgeInsets.all(16.0),
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padding: const EdgeInsets.all(16.0),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(12.0),
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border: Border.all(
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color: Theme.of(context).colorScheme.outline,
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width: 1.0,
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),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(
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Icons.cloud_off,
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color: _isOfflineMode
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? Theme.of(context).colorScheme.primary
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: Theme.of(context).colorScheme.onSurfaceVariant,
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size: 24,
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),
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const SizedBox(width: 12),
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Text(
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'Offline Mode',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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],
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),
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const SizedBox(height: 8),
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Text(
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_isOfflineMode
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? 'Download music for offline listening'
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: 'Connect to server for online mode',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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],
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),
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),
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const SizedBox(height: 16),
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// Downloads Section
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Expanded(
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child: Container(
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margin: const EdgeInsets.all(16.0),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(12.0),
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border: Border.all(
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color: Theme.of(context).colorScheme.outline,
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width: 1.0,
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),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Downloads Header
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'Downloads',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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IconButton(
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onPressed: _clearDownloads,
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icon: const Icon(Icons.clear_all),
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tooltip: 'Clear All',
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),
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],
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),
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const SizedBox(height: 16),
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// Download Stats
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Container(
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padding: const EdgeInsets.all(16.0),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surface,
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borderRadius: BorderRadius.circular(8.0),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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_buildStatCard('Total', _totalDownloads.toString(), Icons.download),
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_buildStatCard('Completed', _completedDownloads.toString(), Icons.check_circle),
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_buildStatCard('Size', _formatFileSize(_totalDownloadSize), Icons.storage),
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],
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),
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),
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const SizedBox(height: 16),
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// Downloaded Tracks List
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Expanded(
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child: _downloadedTracks.isEmpty
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? _buildEmptyState()
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: _buildDownloadsList(),
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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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Widget _buildStatCard(String title, String value, IconData icon) {
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return Container(
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padding: const EdgeInsets.all(12.0),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.primaryContainer,
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borderRadius: BorderRadius.circular(8.0),
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),
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child: Column(
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children: [
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Icon(
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icon,
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color: Theme.of(context).colorScheme.onPrimaryContainer,
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size: 24,
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),
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const SizedBox(height: 8),
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Text(
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title,
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style: Theme.of(context).textTheme.labelMedium?.copyWith(
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color: Theme.of(context).colorScheme.onPrimaryContainer,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 4),
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Text(
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value,
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(
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color: Theme.of(context).colorScheme.onPrimaryContainer,
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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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Widget _buildEmptyState() {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.download_outlined,
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size: 64,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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const SizedBox(height: 16),
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Text(
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'No downloads yet',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(height: 8),
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ElevatedButton(
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onPressed: _simulateDownload,
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style: ElevatedButton.styleFrom(
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backgroundColor: Theme.of(context).colorScheme.primary,
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foregroundColor: Theme.of(context).colorScheme.onPrimary,
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),
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child: const Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.download),
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const SizedBox(width: 8),
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const Text('Download Sample 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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}
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Widget _buildDownloadsList() {
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return ListView.builder(
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padding: const EdgeInsets.all(8.0),
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itemCount: _downloadedTracks.length,
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itemBuilder: (context, index) {
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final track = _downloadedTracks[index];
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return Card(
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margin: const EdgeInsets.only(bottom: 8.0),
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child: ListTile(
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leading: ClipRRect(
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borderRadius: BorderRadius.circular(8.0),
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child: Container(
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width: 48,
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height: 48,
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surfaceContainer,
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),
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child: track['isOffline'] == true
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? const Icon(Icons.offline_pin, color: Colors.green)
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: const Icon(Icons.music_note, color: Colors.blue),
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),
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),
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title: Text(
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track['title']?.toString() ?? 'Unknown Track',
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style: Theme.of(context).textTheme.titleMedium,
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),
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subtitle: Text(
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track['artist']?.toString() ?? 'Unknown Artist',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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trailing: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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_formatFileSize(track['size']?.toDouble() ?? 0.0),
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(width: 8),
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PopupMenuButton<String>(
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onSelected: (value) {
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_handleTrackAction(track, value);
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},
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itemBuilder: (context) => [
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const PopupMenuItem(
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value: 'play',
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child: Row(
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children: [
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const Icon(Icons.play_arrow, size: 16),
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const SizedBox(width: 8),
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const Text('Play'),
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],
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),
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),
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const PopupMenuItem(
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value: 'delete',
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child: Row(
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children: [
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const Icon(Icons.delete, size: 16, color: Colors.red),
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const SizedBox(width: 8),
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const Text('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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),
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),
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);
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},
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);
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}
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String _formatFileSize(double bytes) {
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if (bytes < 1024) {
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return '${bytes.toStringAsFixed(0)} B';
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} else if (bytes < 1024 * 1024) {
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return '${(bytes / 1024).toStringAsFixed(1)} KB';
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} else if (bytes < 1024 * 1024 * 1024) {
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return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
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} else {
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return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(1)} GB';
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}
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}
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void _clearDownloads() {
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setState(() {
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_downloadedTracks.clear();
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_totalDownloads = 0;
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_completedDownloads = 0;
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_totalDownloadSize = 0.0;
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});
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('All downloads cleared')),
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);
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}
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void _simulateDownload() {
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setState(() {
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_totalDownloads++;
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_completedDownloads++;
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final trackSize = 5.2 * 1024 * 1024; // 5.2 MB
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_totalDownloadSize += trackSize;
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_downloadedTracks.add({
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'id': 'track_${_totalDownloads}',
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'title': 'Sample Track $_totalDownloads',
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'artist': 'Sample Artist',
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'album': 'Sample Album',
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'duration': '3:45',
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'size': trackSize,
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'isOffline': true,
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'downloadDate': DateTime.now().toIso8601String(),
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});
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});
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Sample track downloaded')),
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);
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}
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void _handleTrackAction(Map<String, dynamic> track, String action) {
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switch (action) {
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case 'play':
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Playing: ${track['title']}')),
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);
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break;
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case 'delete':
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setState(() {
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_downloadedTracks.remove(track);
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_totalDownloads--;
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if (track['isOffline'] == true) {
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_completedDownloads--;
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_totalDownloadSize -= (track['size'] ?? 0.0);
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}
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});
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Deleted: ${track['title']}')),
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);
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break;
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}
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}
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}
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