diff --git a/part/archivemodel.cpp b/part/archivemodel.cpp
index 8abfcd2c..fb453133 100644
--- a/part/archivemodel.cpp
+++ b/part/archivemodel.cpp
@@ -1,921 +1,921 @@
 /*
  * ark -- archiver for the KDE project
  *
  * Copyright (C) 2007 Henrique Pinto <henrique.pinto@kdemail.net>
  * Copyright (C) 2008-2009 Harald Hvaal <haraldhv@stud.ntnu.no>
  * Copyright (C) 2010-2012 Raphael Kubo da Costa <rakuco@FreeBSD.org>
  * Copyright (c) 2016 Vladyslav Batyrenko <mvlabat@gmail.com>
  *
  * 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.
  *
  */
 
 #include "archivemodel.h"
 #include "ark_debug.h"
 #include "jobs.h"
 
 #include <KIO/Global>
 #include <KLocalizedString>
 
 #include <QApplication>
 #include <QDBusConnection>
 #include <QMimeData>
 #include <QMimeDatabase>
 #include <QRegularExpression>
 #include <QStyle>
 #include <QUrl>
 
 using namespace Kerfuffle;
 
 // Used to speed up the loading of large archives.
 static Archive::Entry *s_previousMatch = nullptr;
 Q_GLOBAL_STATIC(QStringList, s_previousPieces)
 
 ArchiveModel::ArchiveModel(const QString &dbusPathName, QObject *parent)
     : QAbstractItemModel(parent)
     , m_dbusPathName(dbusPathName)
     , m_numberOfFiles(0)
     , m_numberOfFolders(0)
     , m_fileEntryListed(false)
 {
     initRootEntry();
 
     // Mappings between column indexes and entry properties.
     m_propertiesMap = {
         { FullPath, "fullPath" },
         { Size, "size" },
         { CompressedSize, "compressedSize" },
         { Permissions, "permissions" },
         { Owner, "owner" },
         { Group, "group" },
         { Ratio, "ratio" },
         { CRC, "CRC" },
         { BLAKE2, "BLAKE2" },
         { Method, "method" },
         { Version, "version" },
         { Timestamp, "timestamp" },
     };
 }
 
 ArchiveModel::~ArchiveModel()
 {
 }
 
 QVariant ArchiveModel::data(const QModelIndex &index, int role) const
 {
     if (index.isValid()) {
         Archive::Entry *entry = static_cast<Archive::Entry*>(index.internalPointer());
         switch (role) {
         case Qt::DisplayRole: {
             // TODO: complete the columns.
             int column = m_showColumns.at(index.column());
             switch (column) {
             case FullPath:
                 return entry->name();
             case Size:
                 if (entry->isDir()) {
                     uint dirs;
                     uint files;
                     entry->countChildren(dirs, files);
                     return KIO::itemsSummaryString(dirs + files, files, dirs, 0, false);
                 } else if (!entry->property("link").toString().isEmpty()) {
                     return QVariant();
                 } else {
                     return KIO::convertSize(entry->property("size").toULongLong());
                 }
             case CompressedSize:
                 if (entry->isDir() || !entry->property("link").toString().isEmpty()) {
                     return QVariant();
                 } else {
                     qulonglong compressedSize = entry->property("compressedSize").toULongLong();
                     if (compressedSize != 0) {
                         return KIO::convertSize(compressedSize);
                     } else {
                         return QVariant();
                     }
                 }
             case Ratio: // TODO: Use entry->metaData()[Ratio] when available.
                 if (entry->isDir() || !entry->property("link").toString().isEmpty()) {
                     return QVariant();
                 } else {
                     qulonglong compressedSize = entry->property("compressedSize").toULongLong();
                     qulonglong size = entry->property("size").toULongLong();
                     if (compressedSize == 0 || size == 0) {
                         return QVariant();
                     } else {
                         int ratio = int(100 * ((double)size - compressedSize) / size);
                         return QString(QString::number(ratio) + QStringLiteral(" %"));
                     }
                 }
 
             case Timestamp: {
                 const QDateTime timeStamp = entry->property("timestamp").toDateTime();
                 return QLocale().toString(timeStamp, QLocale::ShortFormat);
             }
 
             default:
                 return entry->property(m_propertiesMap[column].constData());
             }
         }
         case Qt::DecorationRole:
             if (index.column() == 0) {
                 const Archive::Entry *e = static_cast<Archive::Entry*>(index.internalPointer());
                 QIcon::Mode mode = (filesToMove.contains(e->fullPath())) ? QIcon::Disabled : QIcon::Normal;
                 return m_entryIcons.value(e->fullPath(NoTrailingSlash)).pixmap(QApplication::style()->pixelMetric(QStyle::PM_SmallIconSize), mode);
             }
             return QVariant();
         case Qt::FontRole: {
             QFont f;
             f.setItalic(entry->property("isPasswordProtected").toBool());
             return f;
         }
         default:
             return QVariant();
         }
     }
     return QVariant();
 }
 
 Qt::ItemFlags ArchiveModel::flags(const QModelIndex &index) const
 {
     Qt::ItemFlags defaultFlags = QAbstractItemModel::flags(index);
 
     if (index.isValid()) {
         return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled | defaultFlags;
     }
 
     return Qt::NoItemFlags;
 }
 
 QVariant ArchiveModel::headerData(int section, Qt::Orientation, int role) const
 {
     if (role == Qt::DisplayRole) {
         if (section >= m_showColumns.size()) {
             qCDebug(ARK) << "WEIRD: showColumns.size = " << m_showColumns.size()
             << " and section = " << section;
             return QVariant();
         }
 
         int columnId = m_showColumns.at(section);
 
         switch (columnId) {
         case FullPath:
             return i18nc("Name of a file inside an archive", "Name");
         case Size:
             return i18nc("Uncompressed size of a file inside an archive", "Size");
         case CompressedSize:
             return i18nc("Compressed size of a file inside an archive", "Compressed");
         case Ratio:
             return i18nc("Compression rate of file", "Rate");
         case Owner:
             return i18nc("File's owner username", "Owner");
         case Group:
             return i18nc("File's group", "Group");
         case Permissions:
             return i18nc("File permissions", "Mode");
         case CRC:
             return i18nc("CRC hash code", "CRC checksum");
         case BLAKE2:
             return i18nc("BLAKE2 hash code", "BLAKE2 checksum");
         case Method:
             return i18nc("Compression method", "Method");
         case Version:
             // TODO: what exactly is a file version?
             return i18nc("File version", "Version");
         case Timestamp:
             return i18nc("Timestamp", "Date");
         default:
             return i18nc("Unnamed column", "??");
         }
     }
     return QVariant();
 }
 
 QModelIndex ArchiveModel::index(int row, int column, const QModelIndex &parent) const
 {
     if (hasIndex(row, column, parent)) {
         const Archive::Entry *parentEntry = parent.isValid()
                                             ? static_cast<Archive::Entry*>(parent.internalPointer())
                                             : m_rootEntry.data();
 
         Q_ASSERT(parentEntry->isDir());
 
         const Archive::Entry *item = parentEntry->entries().value(row, nullptr);
         if (item != nullptr) {
             return createIndex(row, column, const_cast<Archive::Entry*>(item));
         }
     }
 
     return QModelIndex();
 }
 
 QModelIndex ArchiveModel::parent(const QModelIndex &index) const
 {
     if (index.isValid()) {
         Archive::Entry *item = static_cast<Archive::Entry*>(index.internalPointer());
         Q_ASSERT(item);
         if (item->getParent() && (item->getParent() != m_rootEntry.data())) {
             return createIndex(item->getParent()->row(), 0, item->getParent());
         }
     }
     return QModelIndex();
 }
 
 Archive::Entry *ArchiveModel::entryForIndex(const QModelIndex &index)
 {
     if (index.isValid()) {
         Archive::Entry *item = static_cast<Archive::Entry*>(index.internalPointer());
         Q_ASSERT(item);
         return item;
     }
     return nullptr;
 }
 
 int ArchiveModel::rowCount(const QModelIndex &parent) const
 {
     if (parent.column() <= 0) {
         const Archive::Entry *parentEntry = parent.isValid()
                                             ? static_cast<Archive::Entry*>(parent.internalPointer())
                                             : m_rootEntry.data();
 
         if (parentEntry && parentEntry->isDir()) {
             return parentEntry->entries().count();
         }
     }
     return 0;
 }
 
 int ArchiveModel::columnCount(const QModelIndex &parent) const
 {
     Q_UNUSED(parent)
     return m_showColumns.size();
 }
 
 Qt::DropActions ArchiveModel::supportedDropActions() const
 {
     return Qt::CopyAction | Qt::MoveAction;
 }
 
 QStringList ArchiveModel::mimeTypes() const
 {
     QStringList types;
 
     // MIME types we accept for dragging (eg. Dolphin -> Ark).
     types << QStringLiteral("text/uri-list")
           << QStringLiteral("text/plain")
           << QStringLiteral("text/x-moz-url");
 
     // MIME types we accept for dropping (eg. Ark -> Dolphin).
     types << QStringLiteral("application/x-kde-ark-dndextract-service")
           << QStringLiteral("application/x-kde-ark-dndextract-path");
 
     return types;
 }
 
 QMimeData *ArchiveModel::mimeData(const QModelIndexList &indexes) const
 {
     Q_UNUSED(indexes)
 
     QMimeData *mimeData = new QMimeData;
     mimeData->setData(QStringLiteral("application/x-kde-ark-dndextract-service"),
                       QDBusConnection::sessionBus().baseService().toUtf8());
     mimeData->setData(QStringLiteral("application/x-kde-ark-dndextract-path"),
                       m_dbusPathName.toUtf8());
 
     return mimeData;
 }
 
 bool ArchiveModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
 {
     Q_UNUSED(action)
 
     if (!data->hasUrls()) {
         return false;
     }
 
     if (archive()->isReadOnly() ||
         (archive()->encryptionType() != Archive::Unencrypted &&
          archive()->password().isEmpty())) {
         emit messageWidget(KMessageWidget::Error, i18n("Adding files is not supported for this archive."));
         return false;
     }
 
     QStringList paths;
     const auto urls = data->urls();
     for (const QUrl &url : urls) {
         if (!url.isLocalFile()) {
             emit messageWidget(KMessageWidget::Error, i18n("You can only add local files to an archive."));
             return false;
         }
         paths << url.toLocalFile();
     }
 
     const Archive::Entry *entry = nullptr;
     QModelIndex droppedOnto = index(row, column, parent);
     if (droppedOnto.isValid()) {
         entry = entryForIndex(droppedOnto);
         if (!entry->isDir()) {
             entry = entry->getParent();
         }
     }
 
     emit droppedFiles(paths, entry);
 
     return true;
 }
 
 // For a rationale, see bugs #194241, #241967 and #355839
 QString ArchiveModel::cleanFileName(const QString& fileName)
 {
     // Skip entries with filename "/" or "//" or "."
     // "." is present in ISO files.
-    QRegularExpression pattern(QStringLiteral("/+|\\."));
+    static QRegularExpression pattern(QStringLiteral("/+|\\."));
     QRegularExpressionMatch match;
     if (fileName.contains(pattern, &match) && match.captured() == fileName) {
         qCDebug(ARK) << "Skipping entry with filename" << fileName;
         return QString();
     } else if (fileName.startsWith(QLatin1String("./"))) {
         return fileName.mid(2);
     }
 
     return fileName;
 }
 
 void ArchiveModel::initRootEntry()
 {
     m_rootEntry.reset(new Archive::Entry());
     m_rootEntry->setProperty("isDirectory", true);
 }
 
 Archive::Entry *ArchiveModel::parentFor(const Archive::Entry *entry, InsertBehaviour behaviour)
 {
     QStringList pieces = entry->fullPath().split(QLatin1Char('/'), QString::SkipEmptyParts);
     if (pieces.isEmpty()) {
         return nullptr;
     }
     pieces.removeLast();
 
     // Used to speed up loading of large archives.
     if (s_previousMatch) {
         // The number of path elements must be the same for the shortcut
         // to work.
         if (s_previousPieces->count() == pieces.count()) {
             bool equal = true;
 
             // Check if all pieces match.
             for (int i = 0; i < s_previousPieces->count(); ++i) {
                 if (s_previousPieces->at(i) != pieces.at(i)) {
                     equal = false;
                     break;
                 }
             }
 
             // If match return it.
             if (equal) {
                 return s_previousMatch;
             }
         }
     }
 
     Archive::Entry *parent = m_rootEntry.data();
 
     for (const QString &piece : qAsConst(pieces)) {
         Archive::Entry *entry = parent->find(piece);
         if (!entry) {
             // Directory entry will be traversed later (that happens for some archive formats, 7z for instance).
             // We have to create one before, in order to construct tree from its children,
             // and then delete the existing one (see ArchiveModel::newEntry).
             entry = new Archive::Entry(parent);
 
             entry->setProperty("fullPath", (parent == m_rootEntry.data())
                                            ? QString(piece + QLatin1Char('/'))
                                            : QString(parent->fullPath(WithTrailingSlash) + piece + QLatin1Char('/')));
             entry->setProperty("isDirectory", true);
             insertEntry(entry, behaviour);
         }
         if (!entry->isDir()) {
             Archive::Entry *e = new Archive::Entry(parent);
             e->copyMetaData(entry);
             // Maybe we have both a file and a directory of the same name.
             // We avoid removing previous entries unless necessary.
             insertEntry(e, behaviour);
         }
         parent = entry;
     }
 
     s_previousMatch = parent;
     *s_previousPieces = pieces;
 
     return parent;
 }
 
 QModelIndex ArchiveModel::indexForEntry(Archive::Entry *entry)
 {
     Q_ASSERT(entry);
     if (entry != m_rootEntry.data()) {
         Q_ASSERT(entry->getParent());
         Q_ASSERT(entry->getParent()->isDir());
         return createIndex(entry->row(), 0, entry);
     }
     return QModelIndex();
 }
 
 void ArchiveModel::slotEntryRemoved(const QString & path)
 {
     const QString entryFileName(cleanFileName(path));
     if (entryFileName.isEmpty()) {
         return;
     }
 
     Archive::Entry *entry = m_rootEntry->findByPath(entryFileName.split(QLatin1Char('/'), QString::SkipEmptyParts));
     if (entry) {
         Archive::Entry *parent = entry->getParent();
         QModelIndex index = indexForEntry(entry);
         Q_UNUSED(index);
 
         beginRemoveRows(indexForEntry(parent), entry->row(), entry->row());
         m_entryIcons.remove(parent->entries().at(entry->row())->fullPath(NoTrailingSlash));
         parent->removeEntryAt(entry->row());
         endRemoveRows();
     }
 }
 
 void ArchiveModel::slotUserQuery(Kerfuffle::Query *query)
 {
     query->execute();
 }
 
 void ArchiveModel::slotNewEntry(Archive::Entry *entry)
 {
     newEntry(entry, NotifyViews);
 }
 
 void ArchiveModel::slotListEntry(Archive::Entry *entry)
 {
     newEntry(entry, DoNotNotifyViews);
 }
 
 void ArchiveModel::newEntry(Archive::Entry *receivedEntry, InsertBehaviour behaviour)
 {
     if (receivedEntry->fullPath().isEmpty()) {
         qCDebug(ARK) << "Weird, received empty entry (no filename) - skipping";
         return;
     }
 
     // If there are no columns registered, then populate columns from entry. If the first entry
     // is a directory we check again for the first file entry to ensure all relevant columms are shown.
     if (m_showColumns.isEmpty() || !m_fileEntryListed) {
         QList<int> toInsert;
 
         const auto size = receivedEntry->property("size").toULongLong();
         const auto compressedSize = receivedEntry->property("compressedSize").toULongLong();
         for (auto i = m_propertiesMap.begin(); i != m_propertiesMap.end(); ++i) {
             // Singlefile plugin doesn't report the uncompressed size.
             if (i.key() == Size && size == 0 && compressedSize > 0) {
                 continue;
             }
             if (!receivedEntry->property(i.value().constData()).toString().isEmpty()) {
                 if (i.key() != CompressedSize || receivedEntry->compressedSizeIsSet) {
                     if (!m_showColumns.contains(i.key())) {
                         toInsert << i.key();
                     }
                 }
             }
         }
         if (behaviour == NotifyViews) {
             beginInsertColumns(QModelIndex(), 0, toInsert.size() - 1);
         }
         m_showColumns << toInsert;
         if (behaviour == NotifyViews) {
             endInsertColumns();
         }
 
         m_fileEntryListed = !receivedEntry->isDir();
     }
 
     // #194241: Filenames such as "./file" should be displayed as "file"
     // #241967: Entries called "/" should be ignored
     // #355839: Entries called "//" should be ignored
     QString entryFileName = cleanFileName(receivedEntry->fullPath());
     if (entryFileName.isEmpty()) { // The entry contains only "." or "./"
         return;
     }
     receivedEntry->setProperty("fullPath", entryFileName);
 
     // For some archive formats (e.g. AppImage and RPM) paths of folders do not
     // contain a trailing slash, so we append it.
     if (receivedEntry->property("isDirectory").toBool() &&
         !receivedEntry->property("fullPath").toString().endsWith(QLatin1Char('/'))) {
         receivedEntry->setProperty("fullPath", QString(receivedEntry->property("fullPath").toString() + QLatin1Char('/')));
         qCDebug(ARK) << "Trailing slash appended to entry:" << receivedEntry->property("fullPath");
     }
 
     // Skip already created entries.
     Archive::Entry *existing = m_rootEntry->findByPath(entryFileName.split(QLatin1Char('/')));
     if (existing) {
         existing->setProperty("fullPath", entryFileName);
         // Multi-volume files are repeated at least in RAR archives.
         // In that case, we need to sum the compressed size for each volume
         qulonglong currentCompressedSize = existing->property("compressedSize").toULongLong();
         existing->setProperty("compressedSize", currentCompressedSize + receivedEntry->property("compressedSize").toULongLong());
         return;
     }
 
     // Find parent entry, creating missing directory Archive::Entry's in the process.
     Archive::Entry *parent = parentFor(receivedEntry, behaviour);
 
     // Create an Archive::Entry.
     const QStringList path = entryFileName.split(QLatin1Char('/'), QString::SkipEmptyParts);
     Archive::Entry *entry = parent->find(path.last());
     if (entry) {
         entry->copyMetaData(receivedEntry);
         entry->setProperty("fullPath", entryFileName);
     } else {
         receivedEntry->setParent(parent);
         insertEntry(receivedEntry, behaviour);
     }
 }
 
 void ArchiveModel::slotLoadingFinished(KJob *job)
 {
     std::sort(m_showColumns.begin(), m_showColumns.end());
 
     if (!job->error()) {
 
         qCDebug(ARK) << "Showing columns: " << m_showColumns;
 
         m_archive.reset(qobject_cast<LoadJob*>(job)->archive());
 
         beginResetModel();
         endResetModel();
     }
 
     emit loadingFinished(job);
 }
 
 void ArchiveModel::insertEntry(Archive::Entry *entry, InsertBehaviour behaviour)
 {
     Q_ASSERT(entry);
     Archive::Entry *parent = entry->getParent();
     Q_ASSERT(parent);
     if (behaviour == NotifyViews) {
         beginInsertRows(indexForEntry(parent), parent->entries().count(), parent->entries().count());
     }
     parent->appendEntry(entry);
     if (behaviour == NotifyViews) {
         endInsertRows();
     }
 
     // Save an icon for each newly added entry.
     QMimeDatabase db;
     QIcon icon;
     entry->isDir()
     ? icon = QIcon::fromTheme(db.mimeTypeForName(QStringLiteral("inode/directory")).iconName())
     : icon = QIcon::fromTheme(db.mimeTypeForFile(entry->fullPath()).iconName());
     m_entryIcons.insert(entry->fullPath(NoTrailingSlash), icon);
 }
 
 Kerfuffle::Archive* ArchiveModel::archive() const
 {
     return m_archive.data();
 }
 
 void ArchiveModel::reset()
 {
     m_archive.reset(nullptr);
     s_previousMatch = nullptr;
     s_previousPieces->clear();
     initRootEntry();
 
     // TODO: make sure if it's ok to not have calls to beginRemoveColumns here
     m_showColumns.clear();
     beginResetModel();
     endResetModel();
 }
 
 void ArchiveModel::createEmptyArchive(const QString &path, const QString &mimeType, QObject *parent)
 {
     reset();
     m_archive.reset(Archive::createEmpty(path, mimeType, parent));
 }
 
 KJob *ArchiveModel::loadArchive(const QString &path, const QString &mimeType, QObject *parent)
 {
     reset();
 
     auto loadJob = Archive::load(path, mimeType, parent);
     connect(loadJob, &KJob::result, this, &ArchiveModel::slotLoadingFinished);
     connect(loadJob, &Job::newEntry, this, &ArchiveModel::slotListEntry);
     connect(loadJob, &Job::userQuery, this, &ArchiveModel::slotUserQuery);
 
     emit loadingStarted();
 
     return loadJob;
 }
 
 ExtractJob* ArchiveModel::extractFile(Archive::Entry *file, const QString& destinationDir, const Kerfuffle::ExtractionOptions& options) const
 {
     QVector<Archive::Entry*> files({file});
     return extractFiles(files, destinationDir, options);
 }
 
 ExtractJob* ArchiveModel::extractFiles(const QVector<Archive::Entry*>& files, const QString& destinationDir, const Kerfuffle::ExtractionOptions& options) const
 {
     Q_ASSERT(m_archive);
     ExtractJob *newJob = m_archive->extractFiles(files, destinationDir, options);
     connect(newJob, &ExtractJob::userQuery, this, &ArchiveModel::slotUserQuery);
     return newJob;
 }
 
 Kerfuffle::PreviewJob *ArchiveModel::preview(Archive::Entry *file) const
 {
     Q_ASSERT(m_archive);
     PreviewJob *job = m_archive->preview(file);
     connect(job, &Job::userQuery, this, &ArchiveModel::slotUserQuery);
     return job;
 }
 
 OpenJob *ArchiveModel::open(Archive::Entry *file) const
 {
     Q_ASSERT(m_archive);
     OpenJob *job = m_archive->open(file);
     connect(job, &Job::userQuery, this, &ArchiveModel::slotUserQuery);
     return job;
 }
 
 OpenWithJob *ArchiveModel::openWith(Archive::Entry *file) const
 {
     Q_ASSERT(m_archive);
     OpenWithJob *job = m_archive->openWith(file);
     connect(job, &Job::userQuery, this, &ArchiveModel::slotUserQuery);
     return job;
 }
 
 AddJob* ArchiveModel::addFiles(QVector<Archive::Entry*> &entries, const Archive::Entry *destination, const CompressionOptions& options)
 {
     if (!m_archive) {
         return nullptr;
     }
 
     if (!m_archive->isReadOnly()) {
         AddJob *job = m_archive->addFiles(entries, destination, options);
         connect(job, &AddJob::newEntry, this, &ArchiveModel::slotNewEntry);
         connect(job, &AddJob::userQuery, this, &ArchiveModel::slotUserQuery);
 
 
         return job;
     }
     return nullptr;
 }
 
 Kerfuffle::MoveJob *ArchiveModel::moveFiles(QVector<Archive::Entry*> &entries, Archive::Entry *destination, const CompressionOptions &options)
 {
     if (!m_archive) {
         return nullptr;
     }
 
     if (!m_archive->isReadOnly()) {
         MoveJob *job = m_archive->moveFiles(entries, destination, options);
         connect(job, &MoveJob::newEntry, this, &ArchiveModel::slotNewEntry);
         connect(job, &MoveJob::userQuery, this, &ArchiveModel::slotUserQuery);
         connect(job, &MoveJob::entryRemoved, this, &ArchiveModel::slotEntryRemoved);
         connect(job, &MoveJob::finished, this, &ArchiveModel::slotCleanupEmptyDirs);
 
 
         return job;
     }
     return nullptr;
 }
 Kerfuffle::CopyJob *ArchiveModel::copyFiles(QVector<Archive::Entry*> &entries, Archive::Entry *destination, const CompressionOptions &options)
 {
     if (!m_archive) {
         return nullptr;
     }
 
     if (!m_archive->isReadOnly()) {
         CopyJob *job = m_archive->copyFiles(entries, destination, options);
         connect(job, &CopyJob::newEntry, this, &ArchiveModel::slotNewEntry);
         connect(job, &CopyJob::userQuery, this, &ArchiveModel::slotUserQuery);
 
 
         return job;
     }
     return nullptr;
 }
 
 DeleteJob* ArchiveModel::deleteFiles(QVector<Archive::Entry*> entries)
 {
     Q_ASSERT(m_archive);
     if (!m_archive->isReadOnly()) {
         DeleteJob *job = m_archive->deleteFiles(entries);
         connect(job, &DeleteJob::entryRemoved, this, &ArchiveModel::slotEntryRemoved);
 
         connect(job, &DeleteJob::finished, this, &ArchiveModel::slotCleanupEmptyDirs);
 
         connect(job, &DeleteJob::userQuery, this, &ArchiveModel::slotUserQuery);
         return job;
     }
     return nullptr;
 }
 
 void ArchiveModel::encryptArchive(const QString &password, bool encryptHeader)
 {
     if (!m_archive) {
         return;
     }
 
     m_archive->encrypt(password, encryptHeader);
 }
 
 bool ArchiveModel::conflictingEntries(QList<const Archive::Entry*> &conflictingEntries, const QStringList &entries, bool allowMerging) const
 {
     bool error = false;
 
     // We can't accept destination as an argument, because it can be a new entry path for renaming.
     const Archive::Entry *destination;
     {
         QStringList destinationParts = entries.first().split(QLatin1Char('/'), QString::SkipEmptyParts);
         destinationParts.removeLast();
         if (destinationParts.count() > 0) {
             destination = m_rootEntry->findByPath(destinationParts);
         } else {
             destination = m_rootEntry.data();
         }
     }
     const Archive::Entry *lastDirEntry = destination;
     QString skippedDirPath;
 
     for (const QString &entry : entries) {
         if (skippedDirPath.count() > 0 && entry.startsWith(skippedDirPath)) {
             continue;
         } else {
             skippedDirPath.clear();
         }
 
         while (!entry.startsWith(lastDirEntry->fullPath())) {
             lastDirEntry = lastDirEntry->getParent();
         }
 
         bool isDir = entry.right(1) == QLatin1String("/");
         const Archive::Entry *archiveEntry = lastDirEntry->find(entry.split(QLatin1Char('/'), QString::SkipEmptyParts).last());
 
         if (archiveEntry != nullptr) {
             if (archiveEntry->isDir() != isDir || !allowMerging) {
                 if (isDir) {
                     skippedDirPath = lastDirEntry->fullPath();
                 }
 
                 if (!error) {
                     conflictingEntries.clear();
                     error = true;
                 }
                 conflictingEntries << archiveEntry;
             } else {
                 if (isDir) {
                     lastDirEntry = archiveEntry;
                 }
                 else if (!error) {
                     conflictingEntries << archiveEntry;
                 }
             }
         } else if (isDir) {
             skippedDirPath = entry;
         }
     }
 
     return error;
 }
 
 bool ArchiveModel::hasDuplicatedEntries(const QStringList &entries)
 {
     QStringList tempList;
     for (const QString &entry : entries) {
         if (tempList.contains(entry)) {
             return true;
         }
         tempList << entry;
     }
     return false;
 }
 
 QMap<QString, Archive::Entry*> ArchiveModel::entryMap(const QVector<Archive::Entry*> &entries)
 {
     QMap<QString, Archive::Entry*> map;
     for (Archive::Entry *entry : entries) {
         map.insert(entry->fullPath(), entry);
     }
     return map;
 }
 
 const QHash<QString, QIcon> ArchiveModel::entryIcons() const
 {
     return m_entryIcons;
 }
 
 void ArchiveModel::slotCleanupEmptyDirs()
 {
     QList<QPersistentModelIndex> queue;
     QList<QPersistentModelIndex> nodesToDelete;
 
     // Add root nodes.
     for (int i = 0; i < rowCount(); ++i) {
         queue.append(QPersistentModelIndex(index(i, 0)));
     }
 
     // Breadth-first traverse.
     while (!queue.isEmpty()) {
         QPersistentModelIndex node = queue.takeFirst();
         Archive::Entry *entry = entryForIndex(node);
 
         if (!hasChildren(node)) {
             if (entry->fullPath().isEmpty()) {
                 nodesToDelete << node;
             }
         } else {
             for (int i = 0; i < rowCount(node); ++i) {
                 queue.append(QPersistentModelIndex(index(i, 0, node)));
             }
         }
     }
 
     for (const QPersistentModelIndex& node : qAsConst(nodesToDelete)) {
         Archive::Entry *rawEntry = static_cast<Archive::Entry*>(node.internalPointer());
         qCDebug(ARK) << "Delete with parent entries " << rawEntry->getParent()->entries() << " and row " << rawEntry->row();
         beginRemoveRows(parent(node), rawEntry->row(), rawEntry->row());
         m_entryIcons.remove(rawEntry->getParent()->entries().at(rawEntry->row())->fullPath(NoTrailingSlash));
         rawEntry->getParent()->removeEntryAt(rawEntry->row());
         endRemoveRows();
     }
 }
 
 void ArchiveModel::countEntriesAndSize()
 {
     // This function is used to count the number of folders/files and
     // the total compressed size. This is needed for PropertiesDialog
     // to update the corresponding values after adding/deleting files.
 
     // When ArchiveModel has been properly fixed, this code can likely
     // be removed.
 
     m_numberOfFiles = 0;
     m_numberOfFolders = 0;
     m_uncompressedSize = 0;
 
     QElapsedTimer timer;
     timer.start();
 
     traverseAndCountDirNode(m_rootEntry.data());
 
     qCDebug(ARK) << "Time to count entries and size:" << timer.elapsed() << "ms";
 }
 
 void ArchiveModel::traverseAndCountDirNode(Archive::Entry *dir)
 {
     const auto entries = dir->entries();
     for (Archive::Entry *entry : entries) {
         if (entry->isDir()) {
             traverseAndCountDirNode(entry);
             m_numberOfFolders++;
         } else {
             m_numberOfFiles++;
             m_uncompressedSize += entry->property("size").toULongLong();
         }
     }
 }
 
 qulonglong ArchiveModel::numberOfFiles() const
 {
     return m_numberOfFiles;
 }
 
 qulonglong ArchiveModel::numberOfFolders() const
 {
     return m_numberOfFolders;
 }
 
 qulonglong ArchiveModel::uncompressedSize() const
 {
     return m_uncompressedSize;
 }
 
 QList<int> ArchiveModel::shownColumns() const
 {
     return m_showColumns;
 }
 
 QMap<int, QByteArray> ArchiveModel::propertiesMap() const
 {
     return m_propertiesMap;
 }