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