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