qBittorrent/src/torrentadditiondlg.cpp

/*
 * Bittorrent Client using Qt4 and libtorrent.
 * Copyright (C) 2006  Christophe Dumez
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 *
 * Contact : chris@qbittorrent.org
 */

#include "torrentadditiondlg.h"

torrentAdditionDialog::torrentAdditionDialog(GUI *parent, Bittorrent* _BTSession) : QDialog((QWidget*)parent), old_label(""), hidden_height(0) {
  setupUi(this);
  setAttribute(Qt::WA_DeleteOnClose);
  connect(this, SIGNAL(torrentPaused(QTorrentHandle&)), parent->getTransferList(), SLOT(pauseTorrent(QTorrentHandle&)));
  BTSession = _BTSession;
  // Set Properties list model
  PropListModel = new TorrentFilesModel();
  torrentContentList->setModel(PropListModel);
  torrentContentList->hideColumn(PROGRESS);
  PropDelegate = new PropListDelegate();
  torrentContentList->setItemDelegate(PropDelegate);
  connect(torrentContentList, SIGNAL(clicked(const QModelIndex&)), torrentContentList, SLOT(edit(const QModelIndex&)));
  connect(torrentContentList, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayContentListMenu(const QPoint&)));
  connect(selectAllButton, SIGNAL(clicked()), PropListModel, SLOT(selectAll()));
  connect(selectNoneButton, SIGNAL(clicked()), PropListModel, SLOT(selectNone()));
  connect(comboLabel, SIGNAL(editTextChanged(QString)), this, SLOT(resetComboLabelIndex(QString)));
  connect(comboLabel, SIGNAL(editTextChanged(QString)), this, SLOT(updateLabelInSavePath(QString)));
  connect(comboLabel, SIGNAL(currentIndexChanged(QString)), this, SLOT(updateLabelInSavePath(QString)));
  // Remember columns width
  readSettings();
  //torrentContentList->header()->setResizeMode(0, QHeaderView::Stretch);
  defaultSavePath = Preferences::getSavePath();
  appendLabelToSavePath = Preferences::appendTorrentLabel();
  QString display_path = defaultSavePath.replace("\\", "/");
  if(!display_path.endsWith("/"))
    display_path += "/";
  path_history << display_path;
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
  display_path = display_path.replace("/", "\\");
#endif
  savePathTxt->addItem(display_path);
  // Load save path history
  QStringList raw_path_history = getSavePathHistory();
  foreach(const QString &sp, raw_path_history) {
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
    if(sp.compare(display_path, Qt::CaseInsensitive) != 0) {
#else
      if(sp.compare(display_path, Qt::CaseSensitive) != 0) {
#endif
        path_history << sp;
        QString dsp = sp;
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
        dsp = dsp.replace("/", "\\");
#endif
        savePathTxt->addItem(dsp);
      }
    }

    if(Preferences::addTorrentsInPause()) {
      addInPause->setChecked(true);
      //addInPause->setEnabled(false);
    }
#if LIBTORRENT_VERSION_MINOR < 15
    addInSeed->setVisible(false);
#endif
    // Set Add button as default
    OkButton->setDefault(true);
  }

  torrentAdditionDialog::~torrentAdditionDialog() {
    saveSettings();
    delete PropDelegate;
    delete PropListModel;
  }

  void torrentAdditionDialog::readSettings() {
    QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
    // Restore size and position
    resize(settings.value(QString::fromUtf8("TorrentAdditionDlg/size"), size()).toSize());
    move(settings.value(QString::fromUtf8("TorrentAdditionDlg/pos"), misc::screenCenter(this)).toPoint());
    // Restore column width
    const QList<int> &contentColsWidths = misc::intListfromStringList(settings.value(QString::fromUtf8("TorrentAdditionDlg/filesColsWidth")).toStringList());
    if(contentColsWidths.empty()) {
      torrentContentList->header()->resizeSection(0, 200);
    } else {
      for(int i=0; i<contentColsWidths.size(); ++i) {
        torrentContentList->setColumnWidth(i, contentColsWidths.at(i));
      }
    }
  }

  void torrentAdditionDialog::saveSettings() {
    QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
    if(!is_magnet && t.get() && t->is_valid() && t->num_files() > 1) {
      QStringList contentColsWidths;
      // -1 because we hid PROGRESS column
      for(int i=0; i<PropListModel->columnCount()-1; ++i) {
        contentColsWidths << QString::number(torrentContentList->columnWidth(i));
      }
      settings.setValue(QString::fromUtf8("TorrentAdditionDlg/filesColsWidth"), contentColsWidths);
    }
    settings.setValue("TorrentAdditionDlg/size", size()+QSize(0, hidden_height));
    qDebug("pos: (%d, %d)", pos().x(), pos().y());
    settings.setValue("TorrentAdditionDlg/pos", pos());
  }

  void torrentAdditionDialog::renameTorrentNameInModel(QString file_path) {
    file_path = file_path.replace("\\", "/");
    // Rename in torrent files model too
    PropListModel->setData(PropListModel->index(0, 0), file_path.split("/", QString::SkipEmptyParts).last());
  }

  void torrentAdditionDialog::hideTorrentContent() {
    // Disable useless widgets
    hidden_height += torrentContentList->height();
    torrentContentList->setVisible(false);
    hidden_height += torrentContentLbl->height();
    torrentContentLbl->setVisible(false);
    hidden_height += selectAllButton->height();
    selectNoneButton->setVisible(false);
    selectAllButton->setVisible(false);

    // Resize main window
    setMinimumSize(0, 0);
    resize(width(), height()-hidden_height);
  }

  void torrentAdditionDialog::showLoadMagnetURI(QString magnet_uri) {
    show();
    is_magnet = true;
    this->from_url = magnet_uri;

    // Get torrent hash
    hash = misc::magnetUriToHash(magnet_uri);
    if(hash.isEmpty()) {
      BTSession->addConsoleMessage(tr("Unable to decode magnet link:")+QString::fromUtf8(" '")+from_url+QString::fromUtf8("'"), QString::fromUtf8("red"));
      return;
    }
    fileName = misc::magnetUriToName(magnet_uri);
    if(fileName.isEmpty()) {
      fileName = tr("Magnet Link");
    } else {
      QString save_path = savePathTxt->currentText();
      if(!save_path.endsWith(QDir::separator()))
        save_path += QDir::separator();
      savePathTxt->setEditText(save_path + fileName);
    }
    fileNameLbl->setText(QString::fromUtf8("<center><b>")+fileName+QString::fromUtf8("</b></center>"));
    connect(savePathTxt, SIGNAL(editTextChanged(QString)), this, SLOT(updateSavePathCurrentText(QString)));
    // Update display
    updateDiskSpaceLabels();
    // Load custom labels
    QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
    settings.beginGroup(QString::fromUtf8("TransferListFilters"));
    QStringList customLabels = settings.value("customLabels", QStringList()).toStringList();
    comboLabel->addItem("");
    foreach(const QString& label, customLabels) {
      comboLabel->addItem(label);
    }
    // No need to display torrent content
    hideTorrentContent();
  }

  void torrentAdditionDialog::showLoad(QString filePath, QString from_url) {
    is_magnet = false;
    if(!QFile::exists(filePath)) {
      close();
      return;
    }
    this->filePath = filePath;
    this->from_url = from_url;
    // Getting torrent file informations
    try {
      t = new torrent_info(filePath.toUtf8().data());
      if(!t->is_valid())
        throw std::exception();
    } catch(std::exception&) {
      qDebug("Caught error loading torrent");
      if(!from_url.isNull()){
        BTSession->addConsoleMessage(tr("Unable to decode torrent file:")+QString::fromUtf8(" '")+from_url+QString::fromUtf8("'"), QString::fromUtf8("red"));
        QFile::remove(filePath);
      }else{
        BTSession->addConsoleMessage(tr("Unable to decode torrent file:")+QString::fromUtf8(" '")+filePath+QString::fromUtf8("'"), QString::fromUtf8("red"));
      }
      close();
      return;
    }
    nbFiles = t->num_files();
    if(nbFiles == 0) {
      // Empty torrent file!?
      close();
      return;
    }
    if(nbFiles == 1) {
      // Update properties model whenever the file path is edited
      connect(savePathTxt, SIGNAL(editTextChanged(QString)), this, SLOT(renameTorrentNameInModel(QString)));
    }
    QString root_folder = misc::truncateRootFolder(t);
    QString save_path = savePathTxt->currentText();
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
    save_path = save_path.replace("/", "\\");
#endif
    if(!save_path.endsWith(QDir::separator()))
      save_path += QDir::separator();
    // If the torrent has a root folder, append it to the save path
    if(!root_folder.isEmpty()) {
      savePathTxt->setEditText(save_path + root_folder);
      // Update other combo items
      for(int i=0; i<savePathTxt->count(); ++i) {
        savePathTxt->setItemText(i, savePathTxt->itemText(i) + root_folder);
      }
    }
    if(nbFiles == 1) {
      // single file torrent
      QString single_file_relpath = misc::toQStringU(t->file_at(0).path.string());
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
      single_file_relpath = single_file_relpath.replace("/", "\\");
#endif
      savePathTxt->setEditText(save_path + single_file_relpath);
      // Update other combo items
      for(int i=0; i<savePathTxt->count(); ++i) {
        savePathTxt->setItemText(i, savePathTxt->itemText(i) + single_file_relpath);
      }
    }
    // Setting file name
    fileName = misc::toQStringU(t->name());
    hash = misc::toQString(t->info_hash());
    // Use left() to remove .old extension
    QString newFileName;
    if(fileName.endsWith(QString::fromUtf8(".old"))){
      newFileName = fileName.left(fileName.size()-4);
    }else{
      newFileName = fileName;
    }
    fileNameLbl->setText(QString::fromUtf8("<center><b>")+newFileName+QString::fromUtf8("</b></center>"));
    if(t->num_files() > 1) {
      // List files in torrent
      PropListModel->setupModelData(*t);
      // Expand first item if possible
      torrentContentList->expand(PropListModel->index(0, 0));
      connect(PropDelegate, SIGNAL(filteredFilesChanged()), this, SLOT(updateDiskSpaceLabels()));
      // Loads files path in the torrent
      for(uint i=0; i<nbFiles; ++i) {
        files_path << misc::toQStringU(t->file_at(i).path.string());
      }
    }
    connect(savePathTxt, SIGNAL(editTextChanged(QString)), this, SLOT(updateDiskSpaceLabels()));
    connect(savePathTxt, SIGNAL(editTextChanged(QString)), this, SLOT(updateSavePathCurrentText(QString)));
    updateDiskSpaceLabels();
    // Load custom labels
    QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
    settings.beginGroup(QString::fromUtf8("TransferListFilters"));
    const QStringList &customLabels = settings.value("customLabels", QStringList()).toStringList();
    comboLabel->addItem("");
    foreach(const QString& label, customLabels) {
      comboLabel->addItem(label);
    }
    // Show the dialog
    show();
    if(t->num_files() <= 1)
      hideTorrentContent();
  }

  void torrentAdditionDialog::displayContentListMenu(const QPoint&) {
    QMenu myFilesLlistMenu;
    const QModelIndexList &selectedRows = torrentContentList->selectionModel()->selectedRows(0);
    QAction *actRename = 0;
    if(selectedRows.size() == 1 && t->num_files() > 1) {
      actRename = myFilesLlistMenu.addAction(QIcon(QString::fromUtf8(":/Icons/oxygen/edit_clear.png")), tr("Rename..."));
      myFilesLlistMenu.addSeparator();
    }
    QMenu subMenu;
    subMenu.setTitle(tr("Priority"));
    subMenu.addAction(actionNot_downloaded);
    subMenu.addAction(actionNormal);
    subMenu.addAction(actionHigh);
    subMenu.addAction(actionMaximum);
    myFilesLlistMenu.addMenu(&subMenu);
    // Call menu
    QAction *act = myFilesLlistMenu.exec(QCursor::pos());
    if(act) {
      if(act == actRename) {
        renameSelectedFile();
      } else {
        int prio = 1;
        if(act == actionHigh) {
          prio = HIGH;
        } else {
          if(act == actionMaximum) {
            prio = MAXIMUM;
          } else {
            if(act == actionNot_downloaded) {
              prio = IGNORED;
            }
          }
        }
        qDebug("Setting files priority");
        foreach(const QModelIndex &index, selectedRows) {
          qDebug("Setting priority(%d) for file at row %d", prio, index.row());
          PropListModel->setData(PropListModel->index(index.row(), PRIORITY, index.parent()), prio);
        }
      }
    }
  }

  void torrentAdditionDialog::renameSelectedFile() {
    const QModelIndexList &selectedIndexes = torrentContentList->selectionModel()->selectedRows(0);
    Q_ASSERT(selectedIndexes.size() == 1);
    const QModelIndex &index = selectedIndexes.first();
    // Ask for new name
    bool ok;
    const QString &new_name_last = QInputDialog::getText(this, tr("Rename the file"),
                                                         tr("New name:"), QLineEdit::Normal,
                                                         index.data().toString(), &ok);
    if (ok && !new_name_last.isEmpty()) {
      if(!misc::isValidFileSystemName(new_name_last)) {
        QMessageBox::warning(this, tr("The file could not be renamed"),
                             tr("This file name contains forbidden characters, please choose a different one."),
                             QMessageBox::Ok);
        return;
      }
      if(PropListModel->getType(index)==TFILE) {
        // File renaming
        const uint file_index = PropListModel->getFileIndex(index);
        QString old_name = files_path.at(file_index);
        old_name = old_name.replace("\\", "/");
        qDebug("Old name: %s", qPrintable(old_name));
        QStringList path_items = old_name.split("/");
        path_items.removeLast();
        path_items << new_name_last;
        QString new_name = path_items.join("/");
        if(old_name == new_name) {
          qDebug("Name did not change");
          return;
        }
        new_name = QDir::cleanPath(new_name);
        qDebug("New name: %s", qPrintable(new_name));
        // Check if that name is already used
        for(uint i=0; i<nbFiles; ++i) {
          if(i == file_index) continue;
#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
          if(files_path.at(i).compare(new_name, Qt::CaseSensitive) == 0) {
#else
            if(files_path.at(i).compare(new_name, Qt::CaseInsensitive) == 0) {
#endif
              // Display error message
              QMessageBox::warning(this, tr("The file could not be renamed"),
                                   tr("This name is already in use in this folder. Please use a different name."),
                                   QMessageBox::Ok);
              return;
            }
          }
          new_name = QDir::cleanPath(new_name);
          qDebug("Renaming %s to %s", qPrintable(old_name), qPrintable(new_name));
          // Rename file in files_path
          files_path.replace(file_index, new_name);
          // Rename in torrent files model too
          PropListModel->setData(index, new_name_last);
        } else {
          // Folder renaming
          QStringList path_items;
          path_items << index.data().toString();
          QModelIndex parent = PropListModel->parent(index);
          while(parent.isValid()) {
            path_items.prepend(parent.data().toString());
            parent = PropListModel->parent(parent);
          }
          const QString &old_path = path_items.join("/");
          path_items.removeLast();
          path_items << new_name_last;
          QString new_path = path_items.join("/");
          if(!new_path.endsWith("/")) new_path += "/";
          // Check for overwriting
          for(uint i=0; i<nbFiles; ++i) {
            const QString &current_name = files_path.at(i);
#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
            if(current_name.startsWith(new_path, Qt::CaseSensitive)) {
#else
              if(current_name.startsWith(new_path, Qt::CaseInsensitive)) {
#endif
                QMessageBox::warning(this, tr("The folder could not be renamed"),
                                     tr("This name is already in use in this folder. Please use a different name."),
                                     QMessageBox::Ok);
                return;
              }
            }
            // Replace path in all files
            for(uint i=0; i<nbFiles; ++i) {
              const QString &current_name = files_path.at(i);
              if(current_name.startsWith(old_path)) {
                QString new_name = current_name;
                new_name.replace(0, old_path.length(), new_path);
                new_name = QDir::cleanPath(new_name);
                qDebug("Rename %s to %s", qPrintable(current_name), qPrintable(new_name));
                // Rename in files_path
                files_path.replace(i, new_name);
              }
            }
            // Rename folder in torrent files model too
            PropListModel->setData(index, new_name_last);
          }
        }
      }

      void torrentAdditionDialog::updateDiskSpaceLabels() {
        qDebug("Updating disk space label...");
        const long long available = misc::freeDiskSpaceOnPath(misc::expandPath(savePathTxt->currentText()));
        lbl_disk_space->setText(misc::friendlyUnit(available));
        if(!is_magnet) {
          // Determine torrent size
          qulonglong torrent_size = 0;
          if(t->num_files() > 1) {
            const unsigned int nbFiles = t->num_files();
            const std::vector<int> &priorities = PropListModel->getFilesPriorities(nbFiles);

            for(unsigned int i=0; i<nbFiles; ++i) {
              if(priorities[i] > 0)
                torrent_size += t->file_at(i).size;
            }
          } else {
            torrent_size = t->total_size();
          }
          lbl_torrent_size->setText(misc::friendlyUnit(torrent_size));

          // Check if free space is sufficient
          if(available > 0) {
            if((unsigned long long)available > torrent_size) {
              // Space is sufficient
              label_space_msg->setText(tr("(%1 left after torrent download)", "e.g. (100MiB left after torrent download)").arg(misc::friendlyUnit(available-torrent_size)));
            } else {
              // Space is unsufficient
              label_space_msg->setText("<font color=\"red\">"+tr("(%1 more are required to download)", "e.g. (100MiB more are required to download)").arg(misc::friendlyUnit(torrent_size-available))+"</font>");
            }
          } else {
            // Available disk space is unknown
            label_space_msg->setText("");
          }
        }
      }

      void torrentAdditionDialog::on_browseButton_clicked(){
        QString new_path;
        if(!is_magnet && t->num_files() == 1) {
          new_path = QFileDialog::getSaveFileName(this, tr("Choose save path"), savePathTxt->currentText());
        } else {
          QString root_folder;
          QString truncated_path = getCurrentTruncatedSavePath(&root_folder);
          if(!truncated_path.isEmpty() && QDir(truncated_path).exists()){
            new_path = QFileDialog::getExistingDirectory(this, tr("Choose save path"), truncated_path);
          }else{
            new_path = QFileDialog::getExistingDirectory(this, tr("Choose save path"), QDir::homePath());
          }
          if(!new_path.isEmpty()) {
            QStringList path_parts = new_path.replace("\\", "/").split("/");
            if(path_parts.last().isEmpty())
              path_parts.removeLast();
            // Append label
            const QString &label_name = comboLabel->currentText();
            if(QDir(new_path) == QDir(defaultSavePath) && !label_name.isEmpty())
              path_parts << label_name;
            // Append root folder
            if(!root_folder.isEmpty())
              path_parts << root_folder;
            // Construct new_path
            new_path = path_parts.join(QDir::separator());
          }
        }
        if(!new_path.isEmpty()) {
          // Check if this new path already exists in the list
          QString new_truncated_path = getTruncatedSavePath(new_path);
#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
          const int cur_index = path_history.indexOf(QRegExp(new_truncated_path, Qt::CaseInsensitive));
#else
          const int cur_index = path_history.indexOf(QRegExp(new_truncated_path, Qt::CaseSensitive));
#endif
          if(cur_index >= 0) {
            savePathTxt->setCurrentIndex(cur_index);
          }
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
          new_path = new_path.replace("/", "\\");
#endif
          savePathTxt->setEditText(new_path);
        }
      }

      void torrentAdditionDialog::on_CancelButton_clicked(){
        close();
      }

      bool torrentAdditionDialog::allFiltered() const {
        return PropListModel->allFiltered();
      }

      void torrentAdditionDialog::savePiecesPriorities(){
        qDebug("Saving pieces priorities");
        const std::vector<int> &priorities = PropListModel->getFilesPriorities(t->num_files());
        TorrentTempData::setFilesPriority(hash, priorities);
      }

      void torrentAdditionDialog::on_OkButton_clicked(){
        if(savePathTxt->currentText().trimmed().isEmpty()){
          QMessageBox::critical(0, tr("Empty save path"), tr("Please enter a save path"));
          return;
        }
        QString save_path = savePathTxt->currentText();
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
        save_path = save_path.replace("\\", "/");
#endif
        save_path = misc::expandPath(save_path);
        if(!is_magnet && t->num_files() == 1) {
          // Remove file name
          QStringList parts = save_path.split("/");
          const QString single_file_name = parts.takeLast();
          Q_ASSERT(files_path.isEmpty());
          files_path << single_file_name;
          save_path = parts.join("/");
        }
        QDir savePath(save_path);
        const QString &current_label = comboLabel->currentText().trimmed();
        if (!current_label.isEmpty() && !misc::isValidFileSystemName(current_label)) {
          QMessageBox::warning(this, tr("Invalid label name"), tr("Please don't use any special characters in the label name."));
          return;
        }
        // Save savepath
        TorrentTempData::setSavePath(hash, savePath.path());
        qDebug("Torrent label is: %s", qPrintable(comboLabel->currentText().trimmed()));
        if(!current_label.isEmpty())
          TorrentTempData::setLabel(hash, current_label);
        // Is download sequential?
        TorrentTempData::setSequential(hash, checkIncrementalDL->isChecked());
        // Save files path
        // Loads files path in the torrent
        if(!is_magnet) {
          bool path_changed = false;
          for(uint i=0; i<nbFiles; ++i) {
#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
            if(files_path.at(i).compare(misc::toQStringU(t->file_at(i).path.string()), Qt::CaseSensitive) != 0) {
#else
              if(files_path.at(i).compare(misc::toQStringU(t->file_at(i).path.string()), Qt::CaseInsensitive) != 0) {
#endif
                path_changed = true;
                break;
              }
            }
            if(path_changed) {
              qDebug("Changing files paths");
              TorrentTempData::setFilesPath(hash, files_path);
            }
          }
#if LIBTORRENT_VERSION_MINOR > 14
          // Skip file checking and directly start seeding
          if(addInSeed->isChecked()) {
            // Check if local file(s) actually exist
            if(is_magnet || QFile::exists(savePathTxt->currentText())) {
              TorrentTempData::setSeedingMode(hash, true);
            } else {
              QMessageBox::warning(0, tr("Seeding mode error"), tr("You chose to skip file checking. However, local files do not seem to exist in the current destionation folder. Please disable this feature or update the save path."));
              return;
            }
          }
#endif
          // Check if there is at least one selected file
          if(!is_magnet && t->num_files() > 1 && allFiltered()){
            QMessageBox::warning(0, tr("Invalid file selection"), tr("You must select at least one file in the torrent"));
            return;
          }
          // Save path history
          saveTruncatedPathHistory();
          // Check if savePath exists
          if(!savePath.exists()){
            if(!savePath.mkpath(savePath.path())){
              QMessageBox::critical(0, tr("Save path creation error"), tr("Could not create the save path"));
              return;
            }
          }
          // save filtered files
          if(!is_magnet && t->num_files() > 1)
            savePiecesPriorities();
          // Add to download list
          QTorrentHandle h;
          if(is_magnet)
            h = BTSession->addMagnetUri(from_url, false);
          else
            h = BTSession->addTorrent(filePath, false, from_url);
          if(addInPause->isChecked() && h.is_valid()) {
            h.pause();
            emit torrentPaused(h);
          }
          // Close the dialog
          close();
        }

        void torrentAdditionDialog::resetComboLabelIndex(QString text) {
          // Select first index
          if(text != comboLabel->itemText(comboLabel->currentIndex())) {
            comboLabel->setItemText(0, text);
            comboLabel->setCurrentIndex(0);
          }
        }

        void torrentAdditionDialog::updateLabelInSavePath(QString label) {
          if(appendLabelToSavePath) {
            // Update Label in combobox
            savePathTxt->setItemText(0, misc::updateLabelInSavePath(defaultSavePath, savePathTxt->itemText(0), old_label, label));
            // update edit text
            savePathTxt->setEditText(misc::updateLabelInSavePath(defaultSavePath, savePathTxt->currentText(), old_label, label));
            old_label = label;
          }
        }

        void torrentAdditionDialog::updateSavePathCurrentText(QString path) {
          savePathTxt->setItemText(savePathTxt->currentIndex(), path);
          path_history.replace(savePathTxt->currentIndex(), getCurrentTruncatedSavePath());
          QString root_folder_or_file_name = "";
          getCurrentTruncatedSavePath(&root_folder_or_file_name);
          // Update other combo items
          for(int i=0; i<savePathTxt->count(); ++i) {
            if(i == savePathTxt->currentIndex()) continue;
            QString item_path = path_history.at(i);
            if(item_path.isEmpty()) continue;
            // Append label
            if(i == 0 && appendLabelToSavePath && QDir(item_path) == QDir(defaultSavePath) && !comboLabel->currentText().isEmpty())
              item_path += comboLabel->currentText() + "/";
            // Append root_folder or filename
            if(!root_folder_or_file_name.isEmpty())
              item_path += root_folder_or_file_name;
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
            item_path = item_path.replace("/", "\\");
#endif
            savePathTxt->setItemText(i, item_path);
          }
        }

        QString torrentAdditionDialog::getCurrentTruncatedSavePath(QString* root_folder_or_file_name) const {
          QString save_path = savePathTxt->currentText();
          return getTruncatedSavePath(save_path, root_folder_or_file_name);
        }

        // Get current save path without the torrent root folder nor the label label
        QString torrentAdditionDialog::getTruncatedSavePath(QString save_path, QString* root_folder_or_file_name) const {
          // Expand and clean path (~, .., .)
          save_path = misc::expandPath(save_path);
          QStringList parts = save_path.replace("\\", "/").split("/");
          // Remove torrent root folder
          if(!QDir(save_path).exists() || (!is_magnet && t->num_files() == 1)) {
            QString tmp = parts.takeLast();
            if(root_folder_or_file_name)
              *root_folder_or_file_name = tmp;
          }
          // Remove label
          if(appendLabelToSavePath && savePathTxt->currentIndex() == 0 && parts.last() == comboLabel->currentText()) {
            parts.removeLast();
          }
          QString truncated_path = parts.join("/");
          if(!truncated_path.endsWith("/"))
            truncated_path += "/";
          qDebug("Truncated save path: %s", qPrintable(truncated_path));
          return truncated_path;
        }

        void torrentAdditionDialog::saveTruncatedPathHistory() {
          QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
          const QString current_save_path = getCurrentTruncatedSavePath();
          // Get current history
          QStringList history = settings.value("TorrentAdditionDlg/save_path_history").toStringList();
#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
          if(!history.contains(current_save_path, Qt::CaseSensitive)) {
#else
            if(!history.contains(current_save_path, Qt::CaseInsensitive)) {
#endif
              // Add save path to history
              history << current_save_path;
              // Limit list size
              if(history.size() > 8)
                history.removeFirst();
              // Save history
              settings.setValue("TorrentAdditionDlg/save_path_history", history);
            }
          }

          QStringList torrentAdditionDialog::getSavePathHistory() const {
            QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
            return settings.value("TorrentAdditionDlg/save_path_history").toStringList();
          }