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Diffstat (limited to 'examples/network/torrent/addtorrentdialog.cpp')
-rw-r--r-- | examples/network/torrent/addtorrentdialog.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/examples/network/torrent/addtorrentdialog.cpp b/examples/network/torrent/addtorrentdialog.cpp new file mode 100644 index 0000000000..c78535a309 --- /dev/null +++ b/examples/network/torrent/addtorrentdialog.cpp @@ -0,0 +1,169 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "addtorrentdialog.h" +#include "metainfo.h" + +#include <QFile> +#include <QFileDialog> +#include <QLineEdit> +#include <QMetaObject> + +static QString stringNumber(qint64 number) +{ + QString tmp; + if (number > (1024 * 1024 * 1024)) + tmp.sprintf("%.2fGB", number / (1024.0 * 1024.0 * 1024.0)); + else if (number > (1024 * 1024)) + tmp.sprintf("%.2fMB", number / (1024.0 * 1024.0)); + else if (number > (1024)) + tmp.sprintf("%.2fKB", number / (1024.0)); + else + tmp.sprintf("%d bytes", int(number)); + return tmp; +} + +AddTorrentDialog::AddTorrentDialog(QWidget *parent) + : QDialog(parent, Qt::Sheet) +{ + ui.setupUi(this); + + connect(ui.browseTorrents, SIGNAL(clicked()), + this, SLOT(selectTorrent())); + connect(ui.browseDestination, SIGNAL(clicked()), + this, SLOT(selectDestination())); + connect(ui.torrentFile, SIGNAL(textChanged(QString)), + this, SLOT(setTorrent(QString))); + + ui.destinationFolder->setText(destinationDirectory = QDir::current().path()); + ui.torrentFile->setFocus(); +} + +void AddTorrentDialog::selectTorrent() +{ + QString fileName = QFileDialog::getOpenFileName(this, tr("Choose a torrent file"), + lastDirectory, + tr("Torrents (*.torrent);; All files (*.*)")); + if (fileName.isEmpty()) + return; + lastDirectory = QFileInfo(fileName).absolutePath(); + setTorrent(fileName); +} + +void AddTorrentDialog::selectDestination() +{ + QString dir = QFileDialog::getExistingDirectory(this, tr("Choose a destination directory"), + lastDestinationDirectory); + if (dir.isEmpty()) + return; + lastDestinationDirectory = destinationDirectory = dir; + ui.destinationFolder->setText(destinationDirectory); + enableOkButton(); +} + +void AddTorrentDialog::enableOkButton() +{ + ui.okButton->setEnabled(!ui.destinationFolder->text().isEmpty() + && !ui.torrentFile->text().isEmpty()); +} + +void AddTorrentDialog::setTorrent(const QString &torrentFile) +{ + if (torrentFile.isEmpty()) { + enableOkButton(); + return; + } + + ui.torrentFile->setText(torrentFile); + if (!torrentFile.isEmpty()) + lastDirectory = QFileInfo(torrentFile).absolutePath(); + + if (lastDestinationDirectory.isEmpty()) + lastDestinationDirectory = lastDirectory; + + MetaInfo metaInfo; + QFile torrent(torrentFile); + if (!torrent.open(QFile::ReadOnly) || !metaInfo.parse(torrent.readAll())) { + enableOkButton(); + return; + } + + ui.torrentFile->setText(torrentFile); + ui.announceUrl->setText(metaInfo.announceUrl()); + if (metaInfo.comment().isEmpty()) + ui.commentLabel->setText("<unknown>"); + else + ui.commentLabel->setText(metaInfo.comment()); + if (metaInfo.createdBy().isEmpty()) + ui.creatorLabel->setText("<unknown>"); + else + ui.creatorLabel->setText(metaInfo.createdBy()); + ui.sizeLabel->setText(stringNumber(metaInfo.totalSize())); + if (metaInfo.fileForm() == MetaInfo::SingleFileForm) { + ui.torrentContents->setHtml(metaInfo.singleFile().name); + } else { + QString html; + foreach (MetaInfoMultiFile file, metaInfo.multiFiles()) { + QString name = metaInfo.name(); + if (!name.isEmpty()) { + html += name; + if (!name.endsWith('/')) + html += '/'; + } + html += file.path + "<br>"; + } + ui.torrentContents->setHtml(html); + } + + QFileInfo info(torrentFile); + ui.destinationFolder->setText(info.absolutePath()); + + enableOkButton(); +} + +QString AddTorrentDialog::torrentFileName() const +{ + return ui.torrentFile->text(); +} + +QString AddTorrentDialog::destinationFolder() const +{ + return ui.destinationFolder->text(); +} |