src/views/dolphinviewactionhandler.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2008 David Faure <faure@kde.org>
   3  * SPDX-FileCopyrightText: 2012 Peter Penz <peter.penz19@gmail.com>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinviewactionhandler.h"
   9
  10 #include "kitemviews/kfileitemlisttostring.h"
  11 #include "kitemviews/kfileitemmodel.h"
  12 #include "selectionmode/actiontexthelper.h"
  13 #include "settings/viewpropertiesdialog.h"
  14 #include "views/zoomlevelinfo.h"
  15
  16 #if HAVE_BALOO
  17 #include <Baloo/IndexerConfig>
  18 #endif
  19 #include <KActionCollection>
  20 #include <KActionMenu>
  21 #include <KFileItemListProperties>
  22 #include <KLocalizedString>
  23 #include <KNewFileMenu>
  24 #include <KPropertiesDialog>
  25 #include <KProtocolManager>
  26
  27 #include <QActionGroup>
  28 #include <QMenu>
  29 #include <QPointer>
  30
  31 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, SelectionMode::ActionTextHelper* actionTextHelper, QObject* parent) :
  32     QObject(parent),
  33     m_actionCollection(collection),
  34     m_currentView(nullptr),
  35     m_sortByActions(),
  36     m_visibleRoles()
  37 {
  38     Q_ASSERT(m_actionCollection);
  39     createActions(actionTextHelper);
  40 }
  41
  42 void DolphinViewActionHandler::setCurrentView(DolphinView* view)
  43 {
  44     Q_ASSERT(view);
  45
  46     if (m_currentView) {
  47         disconnect(m_currentView, nullptr, this, nullptr);
  48     }
  49
  50     m_currentView = view;
  51
  52     connect(view, &DolphinView::modeChanged,
  53             this, &DolphinViewActionHandler::updateViewActions);
  54     connect(view, &DolphinView::previewsShownChanged,
  55             this, &DolphinViewActionHandler::slotPreviewsShownChanged);
  56     connect(view, &DolphinView::sortOrderChanged,
  57             this, &DolphinViewActionHandler::slotSortOrderChanged);
  58     connect(view, &DolphinView::sortFoldersFirstChanged,
  59             this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
  60     connect(view, &DolphinView::sortHiddenLastChanged,
  61             this, &DolphinViewActionHandler::slotSortHiddenLastChanged);
  62     connect(view, &DolphinView::visibleRolesChanged,
  63             this, &DolphinViewActionHandler::slotVisibleRolesChanged);
  64     connect(view, &DolphinView::groupedSortingChanged,
  65             this, &DolphinViewActionHandler::slotGroupedSortingChanged);
  66     connect(view, &DolphinView::hiddenFilesShownChanged,
  67             this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
  68     connect(view, &DolphinView::sortRoleChanged,
  69             this, &DolphinViewActionHandler::slotSortRoleChanged);
  70     connect(view, &DolphinView::zoomLevelChanged,
  71             this, &DolphinViewActionHandler::slotZoomLevelChanged);
  72     connect(view, &DolphinView::writeStateChanged,
  73             this, &DolphinViewActionHandler::slotWriteStateChanged);
  74     connect(view, &DolphinView::selectionModeChangeRequested,
  75             this, [this](bool enabled) { Q_EMIT selectionModeChangeTriggered(enabled); });
  76     connect(view, &DolphinView::selectionChanged,
  77             this, &DolphinViewActionHandler::slotSelectionChanged);
  78     slotSelectionChanged(m_currentView->selectedItems());
  79 }
  80
  81 DolphinView* DolphinViewActionHandler::currentView()
  82 {
  83     return m_currentView;
  84 }
  85
  86 void DolphinViewActionHandler::createActions(SelectionMode::ActionTextHelper *actionTextHelper)
  87 {
  88     // This action doesn't appear in the GUI, it's for the shortcut only.
  89     // KNewFileMenu takes care of the GUI stuff.
  90     QAction* newDirAction = m_actionCollection->addAction(QStringLiteral("create_dir"));
  91     newDirAction->setText(i18nc("@action", "Create Folder..."));
  92     m_actionCollection->setDefaultShortcuts(newDirAction, KStandardShortcut::createFolder());
  93     newDirAction->setIcon(QIcon::fromTheme(QStringLiteral("folder-new")));
  94     newDirAction->setEnabled(false);    // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
  95     connect(newDirAction, &QAction::triggered, this, &DolphinViewActionHandler::createDirectoryTriggered);
  96
  97     // File menu
  98
  99     auto renameAction = KStandardAction::renameFile(this, &DolphinViewActionHandler::slotRename, m_actionCollection);
 100     renameAction->setWhatsThis(xi18nc("@info:whatsthis", "This renames the "
 101         "items in your current selection.<nl/>Renaming multiple items "
 102         "at once amounts to their new names differing only in a number."));
 103
 104     auto trashAction = KStandardAction::moveToTrash(this, &DolphinViewActionHandler::slotTrashActivated, m_actionCollection);
 105     auto trashShortcuts = trashAction->shortcuts();
 106     if (!trashShortcuts.contains(QKeySequence::Delete)) {
 107         trashShortcuts.append(QKeySequence::Delete);
 108         m_actionCollection->setDefaultShortcuts(trashAction, trashShortcuts);
 109     }
 110     trashAction->setWhatsThis(xi18nc("@info:whatsthis", "This moves the "
 111         "items in your current selection to the <filename>Trash"
 112         "</filename>.<nl/>The trash is a temporary storage where "
 113         "items can be deleted from if disk space is needed."));
 114
 115     auto deleteAction = KStandardAction::deleteFile(this, &DolphinViewActionHandler::slotDeleteItems, m_actionCollection);
 116     auto deleteShortcuts = deleteAction->shortcuts();
 117     if (!deleteShortcuts.contains(Qt::SHIFT | Qt::Key_Delete)) {
 118         deleteShortcuts.append(Qt::SHIFT | Qt::Key_Delete);
 119         m_actionCollection->setDefaultShortcuts(deleteAction, deleteShortcuts);
 120     }
 121     deleteAction->setWhatsThis(xi18nc("@info:whatsthis", "This deletes "
 122         "the items in your current selection completely. They can "
 123         "not be recovered by normal means."));
 124
 125     // This action is useful for being enabled when KStandardAction::MoveToTrash should be
 126     // disabled and KStandardAction::DeleteFile is enabled (e.g. non-local files), so that Key_Del
 127     // can be used for deleting the file (#76016). It needs to be a separate action
 128     // so that the Edit menu isn't affected.
 129     QAction* deleteWithTrashShortcut = m_actionCollection->addAction(QStringLiteral("delete_shortcut"));
 130     // The descriptive text is just for the shortcuts editor.
 131     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
 132     m_actionCollection->setDefaultShortcuts(deleteWithTrashShortcut, KStandardShortcut::moveToTrash());
 133     deleteWithTrashShortcut->setEnabled(false);
 134     connect(deleteWithTrashShortcut, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 135
 136     QAction* duplicateAction = m_actionCollection->addAction(QStringLiteral("duplicate"));
 137     duplicateAction->setText(i18nc("@action:inmenu File", "Duplicate Here"));
 138     duplicateAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-duplicate")));
 139     m_actionCollection->setDefaultShortcut(duplicateAction, Qt::CTRL | Qt::Key_D);
 140     duplicateAction->setEnabled(false);
 141     connect(duplicateAction, &QAction::triggered, this, &DolphinViewActionHandler::slotDuplicate);
 142
 143     QAction *propertiesAction = m_actionCollection->addAction( QStringLiteral("properties") );
 144     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 145     propertiesAction->setText( i18nc("@action:inmenu File", "Properties") );
 146     propertiesAction->setWhatsThis(xi18nc("@info:whatsthis properties",
 147         "This shows a complete list of properties of the currently "
 148         "selected items in a new window.<nl/>If nothing is selected the "
 149         "window will be about the currently viewed folder instead.<nl/>"
 150         "You can configure advanced options there like managing "
 151         "read- and write-permissions."));
 152     propertiesAction->setIcon(QIcon::fromTheme(QStringLiteral("document-properties")));
 153     m_actionCollection->setDefaultShortcuts(propertiesAction, {Qt::ALT | Qt::Key_Return, Qt::ALT | Qt::Key_Enter});
 154     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 155
 156     QAction *copyPathAction = m_actionCollection->addAction( QStringLiteral("copy_location") );
 157     copyPathAction->setText(i18nc("@action:incontextmenu", "Copy Location"));
 158     copyPathAction->setWhatsThis(i18nc("@info:whatsthis copy_location",
 159                                           "This will copy the path of the first selected item into the clipboard."
 160                                 ));
 161
 162     copyPathAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy-path")));
 163     m_actionCollection->setDefaultShortcuts(copyPathAction, {Qt::CTRL | Qt::ALT | Qt::Key_C});
 164     connect(copyPathAction, &QAction::triggered, this, &DolphinViewActionHandler::slotCopyPath);
 165
 166     if (actionTextHelper) {
 167         // The "…" at the end make clear that they won't trigger their respective actions directly.
 168         actionTextHelper->registerTextWhenNothingIsSelected(trashAction, i18nc("@action:inmenu File", "Move to Trash…"));
 169         actionTextHelper->registerTextWhenNothingIsSelected(deleteAction, i18nc("@action:inmenu File", "Delete…"));
 170         actionTextHelper->registerTextWhenNothingIsSelected(duplicateAction, i18nc("@action:inmenu File", "Duplicate Here…"));
 171         actionTextHelper->registerTextWhenNothingIsSelected(copyPathAction, i18nc("@action:incontextmenu", "Copy Location…"));
 172     }
 173
 174     // This menu makes sure that users who don't know how to open a context menu and haven't
 175     // figured out how to enable the menu bar can still perform basic file manipulation.
 176     // This only works if they know how to select a file.
 177     // The text when nothing is selected at least implies that a selection can /somehow/ be made.
 178     // This menu is by default only used in the hamburger menu but created here so users can put
 179     // it on their toolbar.
 180     KActionMenu *basicActionsMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("basic_actions"), this);
 181     // The text is set later depending on the selection in the currently active view.
 182     basicActionsMenu->setPopupMode(QToolButton::InstantPopup);
 183     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Cut)));
 184     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Copy)));
 185     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Paste)));
 186     basicActionsMenu->addSeparator();
 187     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::RenameFile)));
 188     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::MoveToTrash)));
 189     basicActionsMenu->addSeparator();
 190     basicActionsMenu->addAction(m_actionCollection->action(QStringLiteral("properties")));
 191     basicActionsMenu->addSeparator(); // We add one more separator because we sometimes add contextual
 192                                       // actions in slotSelectionChanged() after the static ones above.
 193
 194     // View menu
 195     KToggleAction* iconsAction = iconsModeAction();
 196     KToggleAction* compactAction = compactModeAction();
 197     KToggleAction* detailsAction = detailsModeAction();
 198
 199     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
 200         "<para>This switches to a view mode that focuses on the folder "
 201         "and file icons. This mode makes it easy to distinguish folders "
 202         "from files and to detect items with distinctive <emphasis>"
 203         "file types</emphasis>.</para><para> This mode is handy to "
 204         "browse through pictures when the <interface>Preview"
 205         "</interface> option is enabled.</para>"));
 206     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
 207         "<para>This switches to a compact view mode that lists the folders "
 208         "and files in columns with the names beside the icons.</para><para>"
 209         "This helps to keep the overview in folders with many items.</para>"));
 210     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
 211         "<para>This switches to a list view mode that focuses on folder "
 212         "and file details.</para><para>Click on a detail in the column "
 213         "header to sort the items by it. Click again to sort the other "
 214         "way around. To select which details should be displayed click "
 215         "the header with the right mouse button.</para><para>You can "
 216         "view the contents of a folder without leaving the current "
 217         "location by clicking to the left of it. This way you can view "
 218         "the contents of multiple folders in the same list.</para>"));
 219
 220     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
 221     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 222     viewModeActions->addAction(iconsAction);
 223     viewModeActions->addAction(compactAction);
 224     viewModeActions->addAction(detailsAction);
 225     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 226     connect(viewModeActions, &KSelectAction::triggered, this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 227
 228     QAction* zoomInAction = KStandardAction::zoomIn(this,
 229                             &DolphinViewActionHandler::zoomIn,
 230                             m_actionCollection);
 231     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 232
 233     QAction* zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
 234     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
 235     zoomResetAction->setToolTip(i18n("Zoom To Default"));
 236     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
 237     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
 238     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL | Qt::Key_0});
 239     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 240
 241     QAction* zoomOutAction = KStandardAction::zoomOut(this,
 242                              &DolphinViewActionHandler::zoomOut,
 243                              m_actionCollection);
 244     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 245
 246     KActionMenu* zoomMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("zoom"));
 247     zoomMenu->setText(i18nc("@action:inmenu menu of zoom actions", "Zoom"));
 248     zoomMenu->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 249     zoomMenu->setPopupMode(QToolButton::InstantPopup);
 250     zoomMenu->addAction(zoomInAction);
 251     zoomMenu->addAction(zoomResetAction);
 252     zoomMenu->addAction(zoomOutAction);
 253
 254     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 255     showPreview->setText(i18nc("@action:intoolbar", "Show Previews"));
 256     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 257     showPreview->setWhatsThis(xi18nc("@info:whatsthis", "When this is "
 258         "enabled, the icons are based on the actual file or folder "
 259         "contents.<nl/>For example the icons of images become scaled "
 260         "down versions of the images."));
 261     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 262     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 263
 264     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 265     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 266     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 267
 268     KToggleAction* sortHiddenLast = m_actionCollection->add<KToggleAction>(QStringLiteral("hidden_last"));
 269     sortHiddenLast->setText(i18nc("@action:inmenu Sort", "Hidden Files Last"));
 270     connect(sortHiddenLast, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortHiddenLast);
 271
 272     // View -> Sort By
 273     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 274
 275     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 276     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 277     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 278     sortByActionMenu->setPopupMode(QToolButton::InstantPopup);
 279
 280     const auto sortByActionGroupActions = sortByActionGroup->actions();
 281     for (QAction* action : sortByActionGroupActions) {
 282         sortByActionMenu->addAction(action);
 283     }
 284
 285     sortByActionMenu->addSeparator();
 286
 287     QActionGroup* group = new QActionGroup(sortByActionMenu);
 288     group->setExclusive(true);
 289
 290     KToggleAction* ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 291     ascendingAction->setActionGroup(group);
 292     connect(ascendingAction, &QAction::triggered, this, [this] {
 293         m_currentView->setSortOrder(Qt::AscendingOrder);
 294     });
 295
 296     KToggleAction* descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 297     descendingAction->setActionGroup(group);
 298     connect(descendingAction, &QAction::triggered, this, [this] {
 299         m_currentView->setSortOrder(Qt::DescendingOrder);
 300     });
 301
 302     sortByActionMenu->addAction(ascendingAction);
 303     sortByActionMenu->addAction(descendingAction);
 304     sortByActionMenu->addSeparator();
 305     sortByActionMenu->addAction(sortFoldersFirst);
 306     sortByActionMenu->addAction(sortHiddenLast);
 307
 308     // View -> Additional Information
 309     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 310
 311     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 312     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Show Additional Information"));
 313     visibleRolesMenu->setIcon(QIcon::fromTheme(QStringLiteral("documentinfo")));
 314     visibleRolesMenu->setPopupMode(QToolButton::InstantPopup);
 315
 316     const auto visibleRolesGroupActions = visibleRolesGroup->actions();
 317     for (QAction* action : visibleRolesGroupActions) {
 318         visibleRolesMenu->addAction(action);
 319     }
 320
 321     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 322     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 323     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 324     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 325     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 326
 327     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 328     showHiddenFiles->setIcon(QIcon::fromTheme(QStringLiteral("view-visible")));
 329     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 330     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 331         "this is enabled <emphasis>hidden</emphasis> files and folders "
 332         "are visible. They will be displayed semi-transparent.</para>"
 333         "<para>Hidden items only differ from other ones in that their "
 334         "name starts with a \".\". In general there is no need for "
 335         "users to access them which is why they are hidden.</para>"));
 336     m_actionCollection->setDefaultShortcuts(showHiddenFiles, KStandardShortcut::showHideHiddenFiles());
 337     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 338
 339     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 340     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Display Style..."));
 341     adjustViewProps->setIcon(QIcon::fromTheme(QStringLiteral("view-choose")));
 342     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 343         "in which all folder view properties can be adjusted."));
 344     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 345 }
 346
 347 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 348 {
 349     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 350     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 351
 352     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 353     rolesActionGroup->setExclusive(isSortGroup);
 354     if (isSortGroup) {
 355         connect(rolesActionGroup, &QActionGroup::triggered,
 356                 this, &DolphinViewActionHandler::slotSortTriggered);
 357     } else {
 358         connect(rolesActionGroup, &QActionGroup::triggered,
 359                 this, &DolphinViewActionHandler::toggleVisibleRole);
 360     }
 361
 362     QString groupName;
 363     KActionMenu* groupMenu = nullptr;
 364     QActionGroup* groupMenuGroup = nullptr;
 365
 366     bool indexingEnabled = false;
 367 #if HAVE_BALOO
 368     Baloo::IndexerConfig config;
 369     indexingEnabled = config.fileIndexingEnabled();
 370 #endif
 371
 372     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 373     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
 374         if (!isSortGroup && info.role == "text") {
 375             // It should not be possible to hide the "text" role
 376             continue;
 377         }
 378
 379         KToggleAction* action = nullptr;
 380         const QString name = groupPrefix + info.role;
 381         if (info.group.isEmpty()) {
 382             action = m_actionCollection->add<KToggleAction>(name);
 383             action->setActionGroup(rolesActionGroup);
 384         } else {
 385             if (!groupMenu || info.group != groupName) {
 386                 groupName = info.group;
 387                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 388                 groupMenu->setText(groupName);
 389                 groupMenu->setActionGroup(rolesActionGroup);
 390
 391                 groupMenuGroup = new QActionGroup(groupMenu);
 392                 groupMenuGroup->setExclusive(isSortGroup);
 393                 if (isSortGroup) {
 394                     connect(groupMenuGroup, &QActionGroup::triggered,
 395                             this, &DolphinViewActionHandler::slotSortTriggered);
 396                 } else {
 397                     connect(groupMenuGroup, &QActionGroup::triggered,
 398                             this, &DolphinViewActionHandler::toggleVisibleRole);
 399                 }
 400             }
 401
 402             action = new KToggleAction(groupMenu);
 403             action->setActionGroup(groupMenuGroup);
 404             groupMenu->addAction(action);
 405         }
 406         action->setText(info.translation);
 407         action->setData(info.role);
 408
 409         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 410                             (info.requiresBaloo) ||
 411                             (info.requiresIndexer && indexingEnabled);
 412         action->setEnabled(enable);
 413
 414         if (isSortGroup) {
 415             m_sortByActions.insert(info.role, action);
 416         } else {
 417             m_visibleRoles.insert(info.role, action);
 418         }
 419     }
 420
 421     return rolesActionGroup;
 422 }
 423
 424 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 425 {
 426     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 427     m_currentView->setViewMode(mode);
 428
 429     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 430     viewModeMenu->setIcon(action->icon());
 431 }
 432
 433 void DolphinViewActionHandler::slotRename()
 434 {
 435     if (m_currentView->selectedItemsCount() == 0) {
 436         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::RenameContents);
 437     } else {
 438         Q_EMIT actionBeingHandled();
 439         m_currentView->renameSelectedItems();
 440         // We don't exit selectionMode here because users might want to rename more items.
 441     }
 442 }
 443
 444 void DolphinViewActionHandler::slotTrashActivated()
 445 {
 446     if (m_currentView->selectedItemsCount() == 0) {
 447         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::MoveToTrashContents);
 448     } else {
 449         Q_EMIT actionBeingHandled();
 450         m_currentView->trashSelectedItems();
 451         Q_EMIT selectionModeChangeTriggered(false);
 452     }
 453 }
 454
 455 void DolphinViewActionHandler::slotDeleteItems()
 456 {
 457     if (m_currentView->selectedItemsCount() == 0) {
 458         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::DeleteContents);
 459     } else {
 460         Q_EMIT actionBeingHandled();
 461         m_currentView->deleteSelectedItems();
 462         Q_EMIT selectionModeChangeTriggered(false);
 463     }
 464 }
 465
 466 void DolphinViewActionHandler::togglePreview(bool show)
 467 {
 468     Q_EMIT actionBeingHandled();
 469     m_currentView->setPreviewsShown(show);
 470 }
 471
 472 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 473 {
 474     Q_UNUSED(shown)
 475     // It is not enough to update the 'Show Preview' action, also
 476     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
 477     updateViewActions();
 478 }
 479
 480 QString DolphinViewActionHandler::currentViewModeActionName() const
 481 {
 482     switch (m_currentView->viewMode()) {
 483     case DolphinView::IconsView:
 484         return QStringLiteral("icons");
 485     case DolphinView::DetailsView:
 486         return QStringLiteral("details");
 487     case DolphinView::CompactView:
 488         return QStringLiteral("compact");
 489     default:
 490         Q_ASSERT(false);
 491         break;
 492     }
 493     return QString(); // can't happen
 494 }
 495
 496 KActionCollection* DolphinViewActionHandler::actionCollection()
 497 {
 498     return m_actionCollection;
 499 }
 500
 501 void DolphinViewActionHandler::updateViewActions()
 502 {
 503     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 504     if (viewModeAction) {
 505         viewModeAction->setChecked(true);
 506
 507         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 508         viewModeMenu->setIcon(viewModeAction->icon());
 509     }
 510
 511     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 512     showPreviewAction->setChecked(m_currentView->previewsShown());
 513
 514     slotSortOrderChanged(m_currentView->sortOrder());
 515     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 516     slotSortHiddenLastChanged(m_currentView->sortHiddenLast());
 517     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 518     slotGroupedSortingChanged(m_currentView->groupedSorting());
 519     slotSortRoleChanged(m_currentView->sortRole());
 520     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 521
 522     // Updates the "show_hidden_files" action state and icon
 523     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 524 }
 525
 526 void DolphinViewActionHandler::zoomIn()
 527 {
 528     const int level = m_currentView->zoomLevel();
 529     m_currentView->setZoomLevel(level + 1);
 530     updateViewActions();
 531 }
 532
 533 void DolphinViewActionHandler::zoomOut()
 534 {
 535     const int level = m_currentView->zoomLevel();
 536     m_currentView->setZoomLevel(level - 1);
 537     updateViewActions();
 538 }
 539
 540 void DolphinViewActionHandler::zoomReset()
 541 {
 542     m_currentView->resetZoomLevel();
 543     updateViewActions();
 544 }
 545
 546 void DolphinViewActionHandler::toggleSortFoldersFirst()
 547 {
 548     const bool sortFirst = m_currentView->sortFoldersFirst();
 549     m_currentView->setSortFoldersFirst(!sortFirst);
 550 }
 551
 552 void DolphinViewActionHandler::toggleSortHiddenLast()
 553 {
 554     const bool sortHiddenLast = m_currentView->sortHiddenLast();
 555     m_currentView->setSortHiddenLast(!sortHiddenLast);
 556 }
 557
 558 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 559 {
 560     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 561     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 562     const bool sortDescending = (order == Qt::DescendingOrder);
 563     descending->setChecked(sortDescending);
 564     ascending->setChecked(!sortDescending);
 565 }
 566
 567 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 568 {
 569     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 570 }
 571
 572 void DolphinViewActionHandler::slotSortHiddenLastChanged(bool hiddenLast)
 573 {
 574     m_actionCollection->action(QStringLiteral("hidden_last"))->setChecked(hiddenLast);
 575 }
 576
 577 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 578 {
 579     Q_EMIT actionBeingHandled();
 580
 581     const QByteArray toggledRole = action->data().toByteArray();
 582
 583     QList<QByteArray> roles = m_currentView->visibleRoles();
 584
 585     const bool show = action->isChecked();
 586
 587     const int index = roles.indexOf(toggledRole);
 588     const bool containsInfo = (index >= 0);
 589     if (show && !containsInfo) {
 590         roles.append(toggledRole);
 591         m_currentView->setVisibleRoles(roles);
 592     } else if (!show && containsInfo) {
 593         roles.removeAt(index);
 594         m_currentView->setVisibleRoles(roles);
 595         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 596     }
 597 }
 598
 599 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 600                                                        const QList<QByteArray>& previous)
 601 {
 602     Q_UNUSED(previous)
 603
 604     const auto checkedRoles = QSet<QByteArray>(current.constBegin(), current.constEnd());
 605     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 606     while (it.hasNext()) {
 607         it.next();
 608         const QByteArray& role = it.key();
 609         KToggleAction* action = it.value();
 610         action->setChecked(checkedRoles.contains(role));
 611     }
 612 }
 613
 614 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 615 {
 616     m_currentView->setGroupedSorting(grouped);
 617 }
 618
 619 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 620 {
 621     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 622     showInGroupsAction->setChecked(groupedSorting);
 623 }
 624
 625 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 626 {
 627     Q_EMIT actionBeingHandled();
 628     m_currentView->setHiddenFilesShown(show);
 629 }
 630
 631 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 632 {
 633     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 634     showHiddenFilesAction->setChecked(shown);
 635 }
 636
 637 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 638 {
 639     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 640                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 641 }
 642
 643 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 644 {
 645     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 646     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 647     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 648     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_1);
 649     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 650     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 651     return iconsView;
 652 }
 653
 654 KToggleAction* DolphinViewActionHandler::compactModeAction()
 655 {
 656     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 657     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 658     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 659     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_2);
 660     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 661     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 662     return iconsView;
 663 }
 664
 665 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 666 {
 667     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 668     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 669     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 670     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL | Qt::Key_3);
 671     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 672     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 673     return detailsView;
 674 }
 675
 676 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 677 {
 678     KToggleAction* action = m_sortByActions.value(role);
 679     if (action) {
 680         action->setChecked(true);
 681
 682         if (!action->icon().isNull()) {
 683             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 684             sortByMenu->setIcon(action->icon());
 685         }
 686     }
 687
 688     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 689     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 690
 691     if (role == "text" || role == "type" || role == "extension" || role == "tags" || role == "comment") {
 692         descending->setText(i18nc("Sort descending", "Z-A"));
 693         ascending->setText(i18nc("Sort ascending", "A-Z"));
 694     } else if (role == "size") {
 695         descending->setText(i18nc("Sort descending", "Largest First"));
 696         ascending->setText(i18nc("Sort ascending", "Smallest First"));
 697     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 698         descending->setText(i18nc("Sort descending", "Newest First"));
 699         ascending->setText(i18nc("Sort ascending", "Oldest First"));
 700     } else if (role == "rating") {
 701         descending->setText(i18nc("Sort descending", "Highest First"));
 702         ascending->setText(i18nc("Sort ascending", "Lowest First"));
 703     } else {
 704         descending->setText(i18nc("Sort descending", "Descending"));
 705         ascending->setText(i18nc("Sort ascending", "Ascending"));
 706     }
 707
 708     slotSortOrderChanged(m_currentView->sortOrder());
 709 }
 710
 711 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 712 {
 713     Q_UNUSED(previous)
 714
 715     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 716     if (zoomInAction) {
 717         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 718     }
 719
 720     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 721     if (zoomOutAction) {
 722         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 723     }
 724 }
 725
 726 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 727 {
 728     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 729     // and several sub-menus. Because of this they don't have a common
 730     // action-group that assures an exclusive toggle-state between the main-menu
 731     // actions and the sub-menu-actions. If an action gets checked, it must
 732     // be assured that all other actions get unchecked, except the ascending/
 733     // descending actions
 734     for (QAction *groupAction : qAsConst(m_sortByActions)) {
 735         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 736         if (actionMenu) {
 737             const auto actions = actionMenu->menu()->actions();
 738             for (QAction* subAction : actions) {
 739                 subAction->setChecked(false);
 740             }
 741         } else if (groupAction->actionGroup()) {
 742             groupAction->setChecked(false);
 743         }
 744     }
 745     action->setChecked(true);
 746
 747     // Apply the activated sort-role to the view
 748     const QByteArray role = action->data().toByteArray();
 749     m_currentView->setSortRole(role);
 750 }
 751
 752 void DolphinViewActionHandler::slotAdjustViewProperties()
 753 {
 754     Q_EMIT actionBeingHandled();
 755     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 756     dialog->exec();
 757     delete dialog;
 758 }
 759
 760 void DolphinViewActionHandler::slotDuplicate()
 761 {
 762     if (m_currentView->selectedItemsCount() == 0) {
 763         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::DuplicateContents);
 764     } else {
 765         Q_EMIT actionBeingHandled();
 766         m_currentView->duplicateSelectedItems();
 767         Q_EMIT selectionModeChangeTriggered(false);
 768     }
 769 }
 770
 771 void DolphinViewActionHandler::slotProperties()
 772 {
 773     KPropertiesDialog* dialog = nullptr;
 774     const KFileItemList list = m_currentView->selectedItems();
 775     if (list.isEmpty()) {
 776         const QUrl url = m_currentView->url();
 777         dialog = new KPropertiesDialog(url, m_currentView);
 778     } else {
 779         dialog = new KPropertiesDialog(list, m_currentView);
 780     }
 781
 782     dialog->setAttribute(Qt::WA_DeleteOnClose);
 783     dialog->show();
 784     dialog->raise();
 785     dialog->activateWindow();
 786 }
 787
 788 void DolphinViewActionHandler::slotCopyPath()
 789 {
 790     if (m_currentView->selectedItemsCount() == 0) {
 791         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::CopyLocationContents);
 792     } else {
 793         m_currentView->copyPathToClipboard();
 794         Q_EMIT selectionModeChangeTriggered(false);
 795     }
 796 }
 797
 798 void DolphinViewActionHandler::slotSelectionChanged(const KFileItemList& selection)
 799 {
 800     QString basicActionsMenuText;
 801     if (selection.isEmpty()) {
 802         basicActionsMenuText =
 803             i18nc("@action:inmenu menu with actions like copy, paste, rename. The user's selection is empty when this text is shown.",
 804                   "Actions for Current View");
 805     } else {
 806         QFontMetrics fontMetrics = QMenu().fontMetrics();
 807         // i18n: @action:inmenu menu with actions like copy, paste, rename.
 808         // %1 is a textual representation of the currently selected files or folders. This can be the name of
 809         // the file/files like "file1" or "file1, file2 and file3" or an aggregate like "8 Selected Folders".
 810         // If this sort of word puzzle can not be correctly translated in your language, translate it as "NULL" (without the quotes)
 811         // and a fallback will be used.
 812         basicActionsMenuText = i18n("Actions for %1", fileItemListToString(selection, fontMetrics.averageCharWidth() * 40, fontMetrics, ItemsState::Selected));
 813     }
 814
 815     if (basicActionsMenuText == QStringLiteral("NULL")) {
 816         const KFileItemListProperties properties(selection);
 817         basicActionsMenuText =
 818             i18ncp("@action:inmenu menu with actions like copy, paste, rename. %1 is the amount of selected files/folders.",
 819                     "Actions for One Selected Item", "Actions for %1 Selected Items", selection.count());
 820     }
 821
 822     QAction *basicActionsMenu = m_actionCollection->action(QStringLiteral("basic_actions"));
 823     basicActionsMenu->setText(basicActionsMenuText);
 824
 825     // Add or remove contextual actions
 826     while (!basicActionsMenu->menu()->actions().constLast()->isSeparator()) {
 827         basicActionsMenu->menu()->removeAction(basicActionsMenu->menu()->actions().last());
 828     }
 829     if (selection.count() == 1) {
 830         if (selection.first().isLink()) {
 831             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("show_target")));
 832         }
 833         if (selection.first().isDir()) {
 834             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("add_to_places")));
 835         }
 836     }
 837 }