Method loadPlaylist

player/NymphCastPlayer/mainwindow.cpp:1584–1639

--- LOAD PLAYLIST --- Clear current playlist and load new playlist contents.

// --- LOAD PLAYLIST ---
// Clear current playlist and load new playlist contents.
void MainWindow::loadPlaylist() {
	// Select playlist from filesystem, parse and replace old playlist view.
	// Use stored directory location, if any.
	QSettings settings;
	QString dir = settings.value("openPlaylistDir").toString();
	QString filename = QFileDialog::getOpenFileName(this, tr("Open playlist"), dir, tr("Playlists (*.m3u *.m3u8)"));
	if (filename.isEmpty()) { return; }
	
	// Update current folder.
	settings.setValue("openPlaylistDir", filename);
	
	// Parse file. Discard Extended M3U (#-prefixed) lines for now.
	QFile playlist;
	playlist.setFileName(filename);
	if (!playlist.exists()) { 
		QMessageBox::warning(this, tr("Failed to open file"), tr("The selected file could not be opened."));
		return;
	}
	
	playlist.open(QIODevice::ReadOnly);
	QTextStream textStream(&playlist);
	textStream.setCodec("UTF-8");
	ui->mediaListWidget->clear();
	
	// Overwrite local playlist with the new playlist too.
	QFile filepaths;
	filepaths.setFileName(appDataLocation + "/filepaths.conf");
	filepaths.open(QIODevice::WriteOnly | QIODevice::Truncate);
	QTextStream outStream(&filepaths);
	outStream.setCodec("UTF-8");
	
	QString line;
	bool clean = true;
	while (!(line = textStream.readLine()).isNull()) {
		if (line.startsWith("#")) { continue; }
		
		// We should have a file path now.
		QFileInfo finf(line);
		if (!finf.isFile()) { clean = false; continue; }
		
		QListWidgetItem *newItem = new QListWidgetItem;
		newItem->setText(finf.fileName());
		newItem->setData(Qt::UserRole, QVariant(line));
		ui->mediaListWidget->addItem(newItem);
		
		outStream << line << "\n";
	}
	
	if (!clean) {
		QMessageBox::warning(this, tr("Playlist issue"), 
			tr("There was an issue with some of the playlist entries"));
	}
	
	playlist.close();
	filepaths.close();
}