File indexing completed on 2024-04-28 05:45:25

 /*
  * SPDX-FileCopyrightText: 2008 David Faure <faure@kde.org>
  * SPDX-FileCopyrightText: 2012 Peter Penz <peter.penz19@gmail.com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "dolphinviewactionhandler.h"
 
 #include "kitemviews/kfileitemlisttostring.h"
 #include "kitemviews/kfileitemmodel.h"
 #include "selectionmode/actiontexthelper.h"
 #include "settings/viewpropertiesdialog.h"
 #include "views/zoomlevelinfo.h"
 
 #if HAVE_BALOO
 #include <Baloo/IndexerConfig>
 #endif
 #include <KActionCollection>
 #include <KActionMenu>
 #include <KFileItemListProperties>
 #include <KLocalizedString>
 #include <KNewFileMenu>
 #include <KPropertiesDialog>
 #include <KProtocolManager>
 
 #include <QActionGroup>
 #include <QMenu>
 #include <QPointer>
 
 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection *collection, SelectionMode::ActionTextHelper *actionTextHelper, QObject *parent)
     : QObject(parent)
     , m_actionCollection(collection)
     , m_currentView(nullptr)
     , m_sortByActions()
     , m_visibleRoles()
 {
     Q_ASSERT(m_actionCollection);
     createActions(actionTextHelper);
 }
 
 void DolphinViewActionHandler::setCurrentView(DolphinView *view)
 {
     Q_ASSERT(view);
 
     if (m_currentView) {
         disconnect(m_currentView, nullptr, this, nullptr);
     }
 
     m_currentView = view;
 
     connect(view, &DolphinView::modeChanged, this, &DolphinViewActionHandler::updateViewActions);
     connect(view, &DolphinView::previewsShownChanged, this, &DolphinViewActionHandler::slotPreviewsShownChanged);
     connect(view, &DolphinView::sortOrderChanged, this, &DolphinViewActionHandler::slotSortOrderChanged);
     connect(view, &DolphinView::sortFoldersFirstChanged, this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
     connect(view, &DolphinView::sortHiddenLastChanged, this, &DolphinViewActionHandler::slotSortHiddenLastChanged);
     connect(view, &DolphinView::visibleRolesChanged, this, &DolphinViewActionHandler::slotVisibleRolesChanged);
     connect(view, &DolphinView::groupedSortingChanged, this, &DolphinViewActionHandler::slotGroupedSortingChanged);
     connect(view, &DolphinView::hiddenFilesShownChanged, this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
     connect(view, &DolphinView::sortRoleChanged, this, &DolphinViewActionHandler::slotSortRoleChanged);
     connect(view, &DolphinView::zoomLevelChanged, this, &DolphinViewActionHandler::slotZoomLevelChanged);
     connect(view, &DolphinView::writeStateChanged, this, &DolphinViewActionHandler::slotWriteStateChanged);
     slotWriteStateChanged(view->isFolderWritable());
     connect(view, &DolphinView::selectionModeChangeRequested, this, [this](bool enabled) {
         Q_EMIT selectionModeChangeTriggered(enabled);
     });
     connect(view, &DolphinView::selectionChanged, this, &DolphinViewActionHandler::slotSelectionChanged);
     slotSelectionChanged(m_currentView->selectedItems());
 }
 
 DolphinView *DolphinViewActionHandler::currentView()
 {
     return m_currentView;
 }
 
 void DolphinViewActionHandler::createActions(SelectionMode::ActionTextHelper *actionTextHelper)
 {
     // This action doesn't appear in the GUI, it's for the shortcut only.
     // KNewFileMenu takes care of the GUI stuff.
     QAction *newDirAction = m_actionCollection->addAction(QStringLiteral("create_dir"));
     newDirAction->setText(i18nc("@action", "Create Folder…"));
     m_actionCollection->setDefaultShortcuts(newDirAction, KStandardShortcut::createFolder());
     newDirAction->setIcon(QIcon::fromTheme(QStringLiteral("folder-new")));
     newDirAction->setEnabled(false); // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
     connect(newDirAction, &QAction::triggered, this, &DolphinViewActionHandler::createDirectoryTriggered);
 
     // File menu
 
     auto renameAction = KStandardAction::renameFile(this, &DolphinViewActionHandler::slotRename, m_actionCollection);
     renameAction->setWhatsThis(xi18nc("@info:whatsthis",
                                       "This renames the "
                                       "items in your current selection.<nl/>Renaming multiple items "
                                       "at once amounts to their new names differing only in a number."));
 
     auto trashAction = KStandardAction::moveToTrash(this, &DolphinViewActionHandler::slotTrashActivated, m_actionCollection);
     auto trashShortcuts = trashAction->shortcuts();
     trashAction->setAutoRepeat(false);
     if (!trashShortcuts.contains(QKeySequence::Delete)) {
         trashShortcuts.append(QKeySequence::Delete);
         m_actionCollection->setDefaultShortcuts(trashAction, trashShortcuts);
     }
     trashAction->setWhatsThis(xi18nc("@info:whatsthis",
                                      "This moves the "
                                      "items in your current selection to the <filename>Trash"
                                      "</filename>.<nl/>The trash is a temporary storage where "
                                      "items can be deleted from if disk space is needed."));
 
     auto deleteAction = KStandardAction::deleteFile(this, &DolphinViewActionHandler::slotDeleteItems, m_actionCollection);
     auto deleteShortcuts = deleteAction->shortcuts();
     deleteAction->setAutoRepeat(false);
     if (!deleteShortcuts.contains(Qt::SHIFT | Qt::Key_Delete)) {
         deleteShortcuts.append(Qt::SHIFT | Qt::Key_Delete);
         m_actionCollection->setDefaultShortcuts(deleteAction, deleteShortcuts);
     }
     deleteAction->setWhatsThis(xi18nc("@info:whatsthis",
                                       "This deletes "
                                       "the items in your current selection completely. They can "
                                       "not be recovered by normal means."));
 
     // This action is useful for being enabled when KStandardAction::MoveToTrash should be
     // disabled and KStandardAction::DeleteFile is enabled (e.g. non-local files), so that Key_Del
     // can be used for deleting the file (#76016). It needs to be a separate action
     // so that the Edit menu isn't affected.
     QAction *deleteWithTrashShortcut = m_actionCollection->addAction(QStringLiteral("delete_shortcut"));
     // The descriptive text is just for the shortcuts editor.
     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
     m_actionCollection->setDefaultShortcuts(deleteWithTrashShortcut, KStandardShortcut::moveToTrash());
     deleteWithTrashShortcut->setEnabled(false);
     connect(deleteWithTrashShortcut, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 
     QAction *duplicateAction = m_actionCollection->addAction(QStringLiteral("duplicate"));
     duplicateAction->setText(i18nc("@action:inmenu File", "Duplicate Here"));
     duplicateAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-duplicate")));
     m_actionCollection->setDefaultShortcut(duplicateAction, Qt::CTRL | Qt::Key_D);
     duplicateAction->setEnabled(false);
     connect(duplicateAction, &QAction::triggered, this, &DolphinViewActionHandler::slotDuplicate);
 
     QAction *propertiesAction = m_actionCollection->addAction(QStringLiteral("properties"));
     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
     propertiesAction->setText(i18nc("@action:inmenu File", "Properties"));
     propertiesAction->setWhatsThis(xi18nc("@info:whatsthis properties",
                                           "This shows a complete list of properties of the currently "
                                           "selected items in a new window.<nl/>If nothing is selected the "
                                           "window will be about the currently viewed folder instead.<nl/>"
                                           "You can configure advanced options there like managing "
                                           "read- and write-permissions."));
     propertiesAction->setIcon(QIcon::fromTheme(QStringLiteral("document-properties")));
     m_actionCollection->setDefaultShortcuts(propertiesAction, {Qt::ALT | Qt::Key_Return, Qt::ALT | Qt::Key_Enter});
     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 
     QAction *copyPathAction = m_actionCollection->addAction(QStringLiteral("copy_location"));
     copyPathAction->setText(i18nc("@action:incontextmenu", "Copy Location"));
     copyPathAction->setWhatsThis(i18nc("@info:whatsthis copy_location", "This will copy the path of the first selected item into the clipboard."));
 
     copyPathAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy-path")));
     m_actionCollection->setDefaultShortcuts(copyPathAction, {Qt::CTRL | Qt::ALT | Qt::Key_C});
     connect(copyPathAction, &QAction::triggered, this, &DolphinViewActionHandler::slotCopyPath);
 
     if (actionTextHelper) {
         // The "…" at the end make clear that they won't trigger their respective actions directly.
         actionTextHelper->registerTextWhenNothingIsSelected(trashAction, i18nc("@action:inmenu File", "Move to Trash…"));
         actionTextHelper->registerTextWhenNothingIsSelected(deleteAction, i18nc("@action:inmenu File", "Delete…"));
         actionTextHelper->registerTextWhenNothingIsSelected(duplicateAction, i18nc("@action:inmenu File", "Duplicate Here…"));
         actionTextHelper->registerTextWhenNothingIsSelected(copyPathAction, i18nc("@action:incontextmenu", "Copy Location…"));
     }
 
     // This menu makes sure that users who don't know how to open a context menu and haven't
     // figured out how to enable the menu bar can still perform basic file manipulation.
     // This only works if they know how to select a file.
     // The text when nothing is selected at least implies that a selection can /somehow/ be made.
     // This menu is by default only used in the hamburger menu but created here so users can put
     // it on their toolbar.
     KActionMenu *basicActionsMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("basic_actions"), this);
     // The text is set later depending on the selection in the currently active view.
     basicActionsMenu->setPopupMode(QToolButton::InstantPopup);
     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Cut)));
     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Copy)));
     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Paste)));
     basicActionsMenu->addSeparator();
     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::RenameFile)));
     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::MoveToTrash)));
     basicActionsMenu->addSeparator();
     basicActionsMenu->addAction(m_actionCollection->action(QStringLiteral("properties")));
     basicActionsMenu->addSeparator(); // We add one more separator because we sometimes add contextual
                                       // actions in slotSelectionChanged() after the static ones above.
 
     // View menu
     KToggleAction *iconsAction = iconsModeAction();
     KToggleAction *compactAction = compactModeAction();
     KToggleAction *detailsAction = detailsModeAction();
 
     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
                                      "<para>This switches to a view mode that focuses on the folder "
                                      "and file icons. This mode makes it easy to distinguish folders "
                                      "from files and to detect items with distinctive <emphasis>"
                                      "file types</emphasis>.</para><para> This mode is handy to "
                                      "browse through pictures when the <interface>Preview"
                                      "</interface> option is enabled.</para>"));
     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
                                        "<para>This switches to a compact view mode that lists the folders "
                                        "and files in columns with the names beside the icons.</para><para>"
                                        "This helps to keep the overview in folders with many items.</para>"));
     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
                                        "<para>This switches to a list view mode that focuses on folder "
                                        "and file details.</para><para>Click on a detail in the column "
                                        "header to sort the items by it. Click again to sort the other "
                                        "way around. To select which details should be displayed click "
                                        "the header with the right mouse button.</para><para>You can "
                                        "view the contents of a folder without leaving the current "
                                        "location by clicking to the left of it. This way you can view "
                                        "the contents of multiple folders in the same list.</para>"));
 
     KSelectAction *viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
     viewModeActions->addAction(iconsAction);
     viewModeActions->addAction(compactAction);
     viewModeActions->addAction(detailsAction);
     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
     connect(viewModeActions, &KSelectAction::actionTriggered, this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 
     QAction *zoomInAction = KStandardAction::zoomIn(this, &DolphinViewActionHandler::zoomIn, m_actionCollection);
     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 
     QAction *zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
     zoomResetAction->setToolTip(i18n("Zoom To Default"));
     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL | Qt::Key_0});
     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 
     QAction *zoomOutAction = KStandardAction::zoomOut(this, &DolphinViewActionHandler::zoomOut, m_actionCollection);
     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 
     KActionMenu *zoomMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("zoom"));
     zoomMenu->setText(i18nc("@action:inmenu menu of zoom actions", "Zoom"));
     zoomMenu->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
     zoomMenu->setPopupMode(QToolButton::InstantPopup);
     zoomMenu->addAction(zoomInAction);
     zoomMenu->addAction(zoomResetAction);
     zoomMenu->addAction(zoomOutAction);
 
     KToggleAction *showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
     showPreview->setText(i18nc("@action:intoolbar", "Show Previews"));
     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
     showPreview->setWhatsThis(xi18nc("@info:whatsthis",
                                      "When this is "
                                      "enabled, the icons are based on the actual file or folder "
                                      "contents.<nl/>For example the icons of images become scaled "
                                      "down versions of the images."));
     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
     m_actionCollection->setDefaultShortcut(showPreview, QKeySequence(Qt::Key_F12));
     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 
     KToggleAction *sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 
     KToggleAction *sortHiddenLast = m_actionCollection->add<KToggleAction>(QStringLiteral("hidden_last"));
     sortHiddenLast->setText(i18nc("@action:inmenu Sort", "Hidden Files Last"));
     connect(sortHiddenLast, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortHiddenLast);
 
     // View -> Sort By
     QActionGroup *sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 
     KActionMenu *sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
     sortByActionMenu->setPopupMode(QToolButton::InstantPopup);
 
     const auto sortByActionGroupActions = sortByActionGroup->actions();
     for (QAction *action : sortByActionGroupActions) {
         sortByActionMenu->addAction(action);
     }
 
     sortByActionMenu->addSeparator();
 
     QActionGroup *group = new QActionGroup(sortByActionMenu);
     group->setExclusive(true);
 
     KToggleAction *ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
     ascendingAction->setActionGroup(group);
     connect(ascendingAction, &QAction::triggered, this, [this] {
         m_currentView->setSortOrder(Qt::AscendingOrder);
     });
 
     KToggleAction *descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
     descendingAction->setActionGroup(group);
     connect(descendingAction, &QAction::triggered, this, [this] {
         m_currentView->setSortOrder(Qt::DescendingOrder);
     });
 
     sortByActionMenu->addAction(ascendingAction);
     sortByActionMenu->addAction(descendingAction);
     sortByActionMenu->addSeparator();
     sortByActionMenu->addAction(sortFoldersFirst);
     sortByActionMenu->addAction(sortHiddenLast);
 
     // View -> Additional Information
     QActionGroup *visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 
     KActionMenu *visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Show Additional Information"));
     visibleRolesMenu->setIcon(QIcon::fromTheme(QStringLiteral("documentinfo")));
     visibleRolesMenu->setPopupMode(QToolButton::InstantPopup);
 
     const auto visibleRolesGroupActions = visibleRolesGroup->actions();
     for (QAction *action : visibleRolesGroupActions) {
         visibleRolesMenu->addAction(action);
     }
 
     KToggleAction *showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 
     KToggleAction *showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
     showHiddenFiles->setIcon(QIcon::fromTheme(QStringLiteral("view-visible")));
     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis",
                                          "<para>When "
                                          "this is enabled <emphasis>hidden</emphasis> files and folders "
                                          "are visible. They will be displayed semi-transparent.</para>"
                                          "<para>Hidden items only differ from other ones in that their "
                                          "name starts with a \".\". In general there is no need for "
                                          "users to access them which is why they are hidden.</para>"));
     m_actionCollection->setDefaultShortcuts(showHiddenFiles, KStandardShortcut::showHideHiddenFiles());
     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 
     QAction *adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Display Style…"));
     adjustViewProps->setIcon(QIcon::fromTheme(QStringLiteral("view-choose")));
     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis",
                                         "This opens a window "
                                         "in which all folder view properties can be adjusted."));
     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 }
 
 QActionGroup *DolphinViewActionHandler::createFileItemRolesActionGroup(const QString &groupPrefix)
 {
     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 
     QActionGroup *rolesActionGroup = new QActionGroup(m_actionCollection);
     rolesActionGroup->setExclusive(isSortGroup);
     if (isSortGroup) {
         connect(rolesActionGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::slotSortTriggered);
     } else {
         connect(rolesActionGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::toggleVisibleRole);
     }
 
     QString groupName;
     KActionMenu *groupMenu = nullptr;
     QActionGroup *groupMenuGroup = nullptr;
 
     bool indexingEnabled = false;
 #if HAVE_BALOO
     Baloo::IndexerConfig config;
     indexingEnabled = config.fileIndexingEnabled();
 #endif
 
     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
         if (!isSortGroup && info.role == "text") {
             // It should not be possible to hide the "text" role
             continue;
         }
 
         KToggleAction *action = nullptr;
         const QString name = groupPrefix + info.role;
         if (info.group.isEmpty()) {
             action = m_actionCollection->add<KToggleAction>(name);
             action->setActionGroup(rolesActionGroup);
         } else {
             if (!groupMenu || info.group != groupName) {
                 groupName = info.group;
                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
                 groupMenu->setText(groupName);
                 groupMenu->setActionGroup(rolesActionGroup);
 
                 groupMenuGroup = new QActionGroup(groupMenu);
                 groupMenuGroup->setExclusive(isSortGroup);
                 if (isSortGroup) {
                     connect(groupMenuGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::slotSortTriggered);
                 } else {
                     connect(groupMenuGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::toggleVisibleRole);
                 }
             }
 
             action = new KToggleAction(groupMenu);
             action->setActionGroup(groupMenuGroup);
             groupMenu->addAction(action);
         }
         action->setText(info.translation);
         action->setData(info.role);
 
         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
         action->setEnabled(enable);
 
         if (isSortGroup) {
             m_sortByActions.insert(info.role, action);
         } else {
             m_visibleRoles.insert(info.role, action);
         }
     }
 
     return rolesActionGroup;
 }
 
 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction *action)
 {
     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
     m_currentView->setViewMode(mode);
 
     QAction *viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
     viewModeMenu->setIcon(action->icon());
 }
 
 void DolphinViewActionHandler::slotRename()
 {
     if (m_currentView->selectedItemsCount() == 0) {
         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::RenameContents);
     } else {
         Q_EMIT actionBeingHandled();
         m_currentView->renameSelectedItems();
         // We don't exit selectionMode here because users might want to rename more items.
     }
 }
 
 void DolphinViewActionHandler::slotTrashActivated()
 {
     if (m_currentView->selectedItemsCount() == 0) {
         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::MoveToTrashContents);
     } else {
         Q_EMIT actionBeingHandled();
         m_currentView->trashSelectedItems();
         Q_EMIT selectionModeChangeTriggered(false);
     }
 }
 
 void DolphinViewActionHandler::slotDeleteItems()
 {
     if (m_currentView->selectedItemsCount() == 0) {
         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::DeleteContents);
     } else {
         Q_EMIT actionBeingHandled();
         m_currentView->deleteSelectedItems();
         Q_EMIT selectionModeChangeTriggered(false);
     }
 }
 
 void DolphinViewActionHandler::togglePreview(bool show)
 {
     Q_EMIT actionBeingHandled();
     m_currentView->setPreviewsShown(show);
 }
 
 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 {
     Q_UNUSED(shown)
     // It is not enough to update the 'Show Preview' action, also
     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
     updateViewActions();
 }
 
 QString DolphinViewActionHandler::currentViewModeActionName() const
 {
     switch (m_currentView->viewMode()) {
     case DolphinView::IconsView:
         return QStringLiteral("icons");
     case DolphinView::DetailsView:
         return QStringLiteral("details");
     case DolphinView::CompactView:
         return QStringLiteral("compact");
     default:
         Q_ASSERT(false);
         break;
     }
     return QString(); // can't happen
 }
 
 KActionCollection *DolphinViewActionHandler::actionCollection()
 {
     return m_actionCollection;
 }
 
 void DolphinViewActionHandler::updateViewActions()
 {
     QAction *viewModeAction = m_actionCollection->action(currentViewModeActionName());
     if (viewModeAction) {
         viewModeAction->setChecked(true);
 
         QAction *viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
         viewModeMenu->setIcon(viewModeAction->icon());
     }
 
     QAction *showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
     showPreviewAction->setChecked(m_currentView->previewsShown());
 
     slotSortOrderChanged(m_currentView->sortOrder());
     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
     slotSortHiddenLastChanged(m_currentView->sortHiddenLast());
     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
     slotGroupedSortingChanged(m_currentView->groupedSorting());
     slotSortRoleChanged(m_currentView->sortRole());
     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 
     // Updates the "show_hidden_files" action state and icon
     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 }
 
 void DolphinViewActionHandler::zoomIn()
 {
     const int level = m_currentView->zoomLevel();
     m_currentView->setZoomLevel(level + 1);
     updateViewActions();
 }
 
 void DolphinViewActionHandler::zoomOut()
 {
     const int level = m_currentView->zoomLevel();
     m_currentView->setZoomLevel(level - 1);
     updateViewActions();
 }
 
 void DolphinViewActionHandler::zoomReset()
 {
     m_currentView->resetZoomLevel();
     updateViewActions();
 }
 
 void DolphinViewActionHandler::toggleSortFoldersFirst()
 {
     const bool sortFirst = m_currentView->sortFoldersFirst();
     m_currentView->setSortFoldersFirst(!sortFirst);
 }
 
 void DolphinViewActionHandler::toggleSortHiddenLast()
 {
     const bool sortHiddenLast = m_currentView->sortHiddenLast();
     m_currentView->setSortHiddenLast(!sortHiddenLast);
 }
 
 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 {
     QAction *descending = m_actionCollection->action(QStringLiteral("descending"));
     QAction *ascending = m_actionCollection->action(QStringLiteral("ascending"));
     const bool sortDescending = (order == Qt::DescendingOrder);
     descending->setChecked(sortDescending);
     ascending->setChecked(!sortDescending);
 }
 
 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 {
     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 }
 
 void DolphinViewActionHandler::slotSortHiddenLastChanged(bool hiddenLast)
 {
     m_actionCollection->action(QStringLiteral("hidden_last"))->setChecked(hiddenLast);
 }
 
 void DolphinViewActionHandler::toggleVisibleRole(QAction *action)
 {
     Q_EMIT actionBeingHandled();
 
     const QByteArray toggledRole = action->data().toByteArray();
 
     QList<QByteArray> roles = m_currentView->visibleRoles();
 
     const bool show = action->isChecked();
 
     const int index = roles.indexOf(toggledRole);
     const bool containsInfo = (index >= 0);
     if (show && !containsInfo) {
         roles.append(toggledRole);
         m_currentView->setVisibleRoles(roles);
     } else if (!show && containsInfo) {
         roles.removeAt(index);
         m_currentView->setVisibleRoles(roles);
         Q_ASSERT(roles.indexOf(toggledRole) < 0);
     }
 }
 
 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray> &current, const QList<QByteArray> &previous)
 {
     Q_UNUSED(previous)
 
     const auto checkedRoles = QSet<QByteArray>(current.constBegin(), current.constEnd());
     QHashIterator<QByteArray, KToggleAction *> it(m_visibleRoles);
     while (it.hasNext()) {
         it.next();
         const QByteArray &role = it.key();
         KToggleAction *action = it.value();
         action->setChecked(checkedRoles.contains(role));
     }
 }
 
 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 {
     m_currentView->setGroupedSorting(grouped);
 }
 
 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 {
     QAction *showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
     showInGroupsAction->setChecked(groupedSorting);
 }
 
 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 {
     Q_EMIT actionBeingHandled();
     m_currentView->setHiddenFilesShown(show);
 }
 
 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 {
     QAction *showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
     showHiddenFilesAction->setChecked(shown);
 }
 
 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 {
     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable && KProtocolManager::supportsMakeDir(currentView()->url()));
 }
 
 KToggleAction *DolphinViewActionHandler::iconsModeAction()
 {
     KToggleAction *iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_1);
     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
     return iconsView;
 }
 
 KToggleAction *DolphinViewActionHandler::compactModeAction()
 {
     KToggleAction *iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_2);
     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
     return iconsView;
 }
 
 KToggleAction *DolphinViewActionHandler::detailsModeAction()
 {
     KToggleAction *detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
     detailsView->setToolTip(i18nc("@info", "Details view mode"));
     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL | Qt::Key_3);
     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
     return detailsView;
 }
 
 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray &role)
 {
     KToggleAction *action = m_sortByActions.value(role);
     if (action) {
         action->setChecked(true);
 
         if (!action->icon().isNull()) {
             QAction *sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
             sortByMenu->setIcon(action->icon());
         }
     }
 
     QAction *descending = m_actionCollection->action(QStringLiteral("descending"));
     QAction *ascending = m_actionCollection->action(QStringLiteral("ascending"));
 
     if (role == "text" || role == "type" || role == "extension" || role == "tags" || role == "comment") {
         descending->setText(i18nc("Sort descending", "Z-A"));
         ascending->setText(i18nc("Sort ascending", "A-Z"));
     } else if (role == "size") {
         descending->setText(i18nc("Sort descending", "Largest First"));
         ascending->setText(i18nc("Sort ascending", "Smallest First"));
     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
         descending->setText(i18nc("Sort descending", "Newest First"));
         ascending->setText(i18nc("Sort ascending", "Oldest First"));
     } else if (role == "rating") {
         descending->setText(i18nc("Sort descending", "Highest First"));
         ascending->setText(i18nc("Sort ascending", "Lowest First"));
     } else {
         descending->setText(i18nc("Sort descending", "Descending"));
         ascending->setText(i18nc("Sort ascending", "Ascending"));
     }
 
     slotSortOrderChanged(m_currentView->sortOrder());
 }
 
 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 {
     Q_UNUSED(previous)
 
     QAction *zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
     if (zoomInAction) {
         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
     }
 
     QAction *zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
     if (zoomOutAction) {
         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
     }
 }
 
 void DolphinViewActionHandler::slotSortTriggered(QAction *action)
 {
     // The radiobuttons of the "Sort By"-menu are split between the main-menu
     // and several sub-menus. Because of this they don't have a common
     // action-group that assures an exclusive toggle-state between the main-menu
     // actions and the sub-menu-actions. If an action gets checked, it must
     // be assured that all other actions get unchecked, except the ascending/
     // descending actions
     for (QAction *groupAction : std::as_const(m_sortByActions)) {
         KActionMenu *actionMenu = qobject_cast<KActionMenu *>(groupAction);
         if (actionMenu) {
             const auto actions = actionMenu->menu()->actions();
             for (QAction *subAction : actions) {
                 subAction->setChecked(false);
             }
         } else if (groupAction->actionGroup()) {
             groupAction->setChecked(false);
         }
     }
     action->setChecked(true);
 
     // Apply the activated sort-role to the view
     const QByteArray role = action->data().toByteArray();
     m_currentView->setSortRole(role);
 }
 
 void DolphinViewActionHandler::slotAdjustViewProperties()
 {
     Q_EMIT actionBeingHandled();
     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
     dialog->exec();
     delete dialog;
 }
 
 void DolphinViewActionHandler::slotDuplicate()
 {
     if (m_currentView->selectedItemsCount() == 0) {
         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::DuplicateContents);
     } else {
         Q_EMIT actionBeingHandled();
         m_currentView->duplicateSelectedItems();
         Q_EMIT selectionModeChangeTriggered(false);
     }
 }
 
 void DolphinViewActionHandler::slotProperties()
 {
     KPropertiesDialog *dialog = nullptr;
     const KFileItemList list = m_currentView->selectedItems();
     if (list.isEmpty()) {
         const QUrl url = m_currentView->url();
         dialog = new KPropertiesDialog(url, m_currentView);
     } else {
         dialog = new KPropertiesDialog(list, m_currentView);
     }
 
     dialog->setAttribute(Qt::WA_DeleteOnClose);
     dialog->show();
     dialog->raise();
     dialog->activateWindow();
 }
 
 void DolphinViewActionHandler::slotCopyPath()
 {
     if (m_currentView->selectedItemsCount() == 0) {
         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::CopyLocationContents);
     } else {
         m_currentView->copyPathToClipboard();
         Q_EMIT selectionModeChangeTriggered(false);
     }
 }
 
 void DolphinViewActionHandler::slotSelectionChanged(const KFileItemList &selection)
 {
     QString basicActionsMenuText;
     if (selection.isEmpty()) {
         basicActionsMenuText = i18nc("@action:inmenu menu with actions like copy, paste, rename. The user's selection is empty when this text is shown.",
                                      "Actions for Current View");
     } else {
         // clang-format off
         QFontMetrics fontMetrics = QMenu().fontMetrics();
         // i18n: @action:inmenu menu with actions like copy, paste, rename.
         // %1 is a textual representation of the currently selected files or folders. This can be the name of
         // the file/files like "file1" or "file1, file2 and file3" or an aggregate like "8 Selected Folders".
         // If this sort of word puzzle can not be correctly translated in your language, translate it as "NULL" (without the quotes)
         // and a fallback will be used.
         basicActionsMenuText = i18n("Actions for %1", fileItemListToString(selection, fontMetrics.averageCharWidth() * 40, fontMetrics, ItemsState::Selected));
         // clang-format on
     }
 
     if (basicActionsMenuText == QStringLiteral("NULL")) {
         const KFileItemListProperties properties(selection);
         basicActionsMenuText = i18ncp("@action:inmenu menu with actions like copy, paste, rename. %1 is the amount of selected files/folders.",
                                       "Actions for One Selected Item",
                                       "Actions for %1 Selected Items",
                                       selection.count());
     }
 
     QAction *basicActionsMenu = m_actionCollection->action(QStringLiteral("basic_actions"));
     basicActionsMenu->setText(basicActionsMenuText);
 
     // Add or remove contextual actions
     while (!basicActionsMenu->menu()->actions().constLast()->isSeparator()) {
         basicActionsMenu->menu()->removeAction(basicActionsMenu->menu()->actions().last());
     }
     if (selection.count() == 1) {
         if (selection.first().isLink()) {
             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("show_target")));
         }
         if (selection.first().isDir()) {
             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("add_to_places")));
         }
     }
 }
 
 #include "moc_dolphinviewactionhandler.cpp"