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 "dolphindebug.h"
  11 #include "kitemviews/kfileitemlisttostring.h"
  12 #include "kitemviews/kfileitemmodel.h"
  13 #include "selectionmode/actiontexthelper.h"
  14 #include "settings/viewpropertiesdialog.h"
  15 #include "views/zoomlevelinfo.h"
  16 #include "kconfig_version.h"
  17
  18 #if HAVE_BALOO
  19 #include <Baloo/IndexerConfig>
  20 #endif
  21 #include <KActionCollection>
  22 #include <KActionMenu>
  23 #include <KFileItemListProperties>
  24 #include <KLocalizedString>
  25 #include <KNewFileMenu>
  26 #include <KPropertiesDialog>
  27 #include <KProtocolManager>
  28
  29 #include <QActionGroup>
  30 #include <QMenu>
  31 #include <QPointer>
  32
  33 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, SelectionMode::ActionTextHelper* actionTextHelper, QObject* parent) :
  34     QObject(parent),
  35     m_actionCollection(collection),
  36     m_currentView(nullptr),
  37     m_sortByActions(),
  38     m_visibleRoles()
  39 {
  40     Q_ASSERT(m_actionCollection);
  41     createActions(actionTextHelper);
  42 }
  43
  44 void DolphinViewActionHandler::setCurrentView(DolphinView* view)
  45 {
  46     Q_ASSERT(view);
  47
  48     if (m_currentView) {
  49         disconnect(m_currentView, nullptr, this, nullptr);
  50     }
  51
  52     m_currentView = view;
  53
  54     connect(view, &DolphinView::modeChanged,
  55             this, &DolphinViewActionHandler::updateViewActions);
  56     connect(view, &DolphinView::previewsShownChanged,
  57             this, &DolphinViewActionHandler::slotPreviewsShownChanged);
  58     connect(view, &DolphinView::sortOrderChanged,
  59             this, &DolphinViewActionHandler::slotSortOrderChanged);
  60     connect(view, &DolphinView::sortFoldersFirstChanged,
  61             this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
  62     connect(view, &DolphinView::sortHiddenLastChanged,
  63             this, &DolphinViewActionHandler::slotSortHiddenLastChanged);
  64     connect(view, &DolphinView::visibleRolesChanged,
  65             this, &DolphinViewActionHandler::slotVisibleRolesChanged);
  66     connect(view, &DolphinView::groupedSortingChanged,
  67             this, &DolphinViewActionHandler::slotGroupedSortingChanged);
  68     connect(view, &DolphinView::hiddenFilesShownChanged,
  69             this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
  70     connect(view, &DolphinView::sortRoleChanged,
  71             this, &DolphinViewActionHandler::slotSortRoleChanged);
  72     connect(view, &DolphinView::zoomLevelChanged,
  73             this, &DolphinViewActionHandler::slotZoomLevelChanged);
  74     connect(view, &DolphinView::writeStateChanged,
  75             this, &DolphinViewActionHandler::slotWriteStateChanged);
  76     connect(view, &DolphinView::selectionModeRequested,
  77             this, [this]() { Q_EMIT setSelectionMode(true); });
  78     connect(view, &DolphinView::selectionChanged,
  79             this, &DolphinViewActionHandler::slotSelectionChanged);
  80     slotSelectionChanged(m_currentView->selectedItems());
  81 }
  82
  83 DolphinView* DolphinViewActionHandler::currentView()
  84 {
  85     return m_currentView;
  86 }
  87
  88 void DolphinViewActionHandler::createActions(SelectionMode::ActionTextHelper *actionTextHelper)
  89 {
  90     // This action doesn't appear in the GUI, it's for the shortcut only.
  91     // KNewFileMenu takes care of the GUI stuff.
  92     QAction* newDirAction = m_actionCollection->addAction(QStringLiteral("create_dir"));
  93     newDirAction->setText(i18nc("@action", "Create Folder..."));
  94     m_actionCollection->setDefaultShortcuts(newDirAction, KStandardShortcut::createFolder());
  95     newDirAction->setIcon(QIcon::fromTheme(QStringLiteral("folder-new")));
  96     newDirAction->setEnabled(false);    // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
  97     connect(newDirAction, &QAction::triggered, this, &DolphinViewActionHandler::createDirectoryTriggered);
  98
  99     // File menu
 100
 101     auto renameAction = KStandardAction::renameFile(this, &DolphinViewActionHandler::slotRename, m_actionCollection);
 102     renameAction->setWhatsThis(xi18nc("@info:whatsthis", "This renames the "
 103         "items in your current selection.<nl/>Renaming multiple items "
 104         "at once amounts to their new names differing only in a number."));
 105
 106     auto trashAction = KStandardAction::moveToTrash(this, &DolphinViewActionHandler::slotTrashActivated, m_actionCollection);
 107     auto trashShortcuts = trashAction->shortcuts();
 108     if (!trashShortcuts.contains(QKeySequence::Delete)) {
 109         trashShortcuts.append(QKeySequence::Delete);
 110         m_actionCollection->setDefaultShortcuts(trashAction, trashShortcuts);
 111     }
 112     trashAction->setWhatsThis(xi18nc("@info:whatsthis", "This moves the "
 113         "items in your current selection to the <filename>Trash"
 114         "</filename>.<nl/>The trash is a temporary storage where "
 115         "items can be deleted from if disk space is needed."));
 116
 117     auto deleteAction = KStandardAction::deleteFile(this, &DolphinViewActionHandler::slotDeleteItems, m_actionCollection);
 118     auto deleteShortcuts = deleteAction->shortcuts();
 119     if (!deleteShortcuts.contains(Qt::SHIFT | Qt::Key_Delete)) {
 120         deleteShortcuts.append(Qt::SHIFT | Qt::Key_Delete);
 121         m_actionCollection->setDefaultShortcuts(deleteAction, deleteShortcuts);
 122     }
 123     deleteAction->setWhatsThis(xi18nc("@info:whatsthis", "This deletes "
 124         "the items in your current selection completely. They can "
 125         "not be recovered by normal means."));
 126
 127     // This action is useful for being enabled when KStandardAction::MoveToTrash should be
 128     // disabled and KStandardAction::DeleteFile is enabled (e.g. non-local files), so that Key_Del
 129     // can be used for deleting the file (#76016). It needs to be a separate action
 130     // so that the Edit menu isn't affected.
 131     QAction* deleteWithTrashShortcut = m_actionCollection->addAction(QStringLiteral("delete_shortcut"));
 132     // The descriptive text is just for the shortcuts editor.
 133     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
 134     m_actionCollection->setDefaultShortcuts(deleteWithTrashShortcut, KStandardShortcut::moveToTrash());
 135     deleteWithTrashShortcut->setEnabled(false);
 136     connect(deleteWithTrashShortcut, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 137
 138     QAction* duplicateAction = m_actionCollection->addAction(QStringLiteral("duplicate"));
 139     duplicateAction->setText(i18nc("@action:inmenu File", "Duplicate Here"));
 140     duplicateAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-duplicate")));
 141     m_actionCollection->setDefaultShortcut(duplicateAction, Qt::CTRL | Qt::Key_D);
 142     duplicateAction->setEnabled(false);
 143     connect(duplicateAction, &QAction::triggered, this, &DolphinViewActionHandler::slotDuplicate);
 144
 145     QAction *propertiesAction = m_actionCollection->addAction( QStringLiteral("properties") );
 146     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 147     propertiesAction->setText( i18nc("@action:inmenu File", "Properties") );
 148     propertiesAction->setWhatsThis(xi18nc("@info:whatsthis properties",
 149         "This shows a complete list of properties of the currently "
 150         "selected items in a new window.<nl/>If nothing is selected the "
 151         "window will be about the currently viewed folder instead.<nl/>"
 152         "You can configure advanced options there like managing "
 153         "read- and write-permissions."));
 154     propertiesAction->setIcon(QIcon::fromTheme(QStringLiteral("document-properties")));
 155     m_actionCollection->setDefaultShortcuts(propertiesAction, {Qt::ALT | Qt::Key_Return, Qt::ALT | Qt::Key_Enter});
 156     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 157
 158     QAction *copyPathAction = m_actionCollection->addAction( QStringLiteral("copy_location") );
 159     copyPathAction->setText(i18nc("@action:incontextmenu", "Copy Location"));
 160     copyPathAction->setWhatsThis(i18nc("@info:whatsthis copy_location",
 161                                           "This will copy the path of the first selected item into the clipboard."
 162                                 ));
 163
 164     copyPathAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy-path")));
 165     m_actionCollection->setDefaultShortcuts(copyPathAction, {Qt::CTRL | Qt::ALT | Qt::Key_C});
 166     connect(copyPathAction, &QAction::triggered, this, &DolphinViewActionHandler::slotCopyPath);
 167
 168     if (actionTextHelper) {
 169         // The "…" at the end make clear that they won't trigger their respective actions directly.
 170         actionTextHelper->registerTextWhenNothingIsSelected(trashAction, i18nc("@action:inmenu File", "Move to Trash…"));
 171         actionTextHelper->registerTextWhenNothingIsSelected(deleteAction, i18nc("@action:inmenu File", "Delete…"));
 172         actionTextHelper->registerTextWhenNothingIsSelected(duplicateAction, i18nc("@action:inmenu File", "Duplicate Here…"));
 173         actionTextHelper->registerTextWhenNothingIsSelected(copyPathAction, i18nc("@action:incontextmenu", "Copy Location…"));
 174     }
 175
 176     // This menu makes sure that users who don't know how to open a context menu and haven't
 177     // figured out how to enable the menu bar can still perform basic file manipulation.
 178     // This only works if they know how to select a file.
 179     // The text when nothing is selected at least implies that a selection can /somehow/ be made.
 180     // This menu is by default only used in the hamburger menu but created here so users can put
 181     // it on their toolbar.
 182     KActionMenu *basicActionsMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("basic_actions"), this);
 183     // The text is set later depending on the selection in the currently active view.
 184     basicActionsMenu->setPopupMode(QToolButton::InstantPopup);
 185     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Cut)));
 186     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Copy)));
 187     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Paste)));
 188     basicActionsMenu->addSeparator();
 189     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::RenameFile)));
 190     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::MoveToTrash)));
 191     basicActionsMenu->addSeparator();
 192     basicActionsMenu->addAction(m_actionCollection->action(QStringLiteral("properties")));
 193     basicActionsMenu->addSeparator(); // We add one more separator because we sometimes add contextual
 194                                       // actions in slotSelectionChanged() after the static ones above.
 195
 196     // View menu
 197     KToggleAction* iconsAction = iconsModeAction();
 198     KToggleAction* compactAction = compactModeAction();
 199     KToggleAction* detailsAction = detailsModeAction();
 200
 201     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
 202         "<para>This switches to a view mode that focuses on the folder "
 203         "and file icons. This mode makes it easy to distinguish folders "
 204         "from files and to detect items with distinctive <emphasis>"
 205         "file types</emphasis>.</para><para> This mode is handy to "
 206         "browse through pictures when the <interface>Preview"
 207         "</interface> option is enabled.</para>"));
 208     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
 209         "<para>This switches to a compact view mode that lists the folders "
 210         "and files in columns with the names beside the icons.</para><para>"
 211         "This helps to keep the overview in folders with many items.</para>"));
 212     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
 213         "<para>This switches to a list view mode that focuses on folder "
 214         "and file details.</para><para>Click on a detail in the column "
 215         "header to sort the items by it. Click again to sort the other "
 216         "way around. To select which details should be displayed click "
 217         "the header with the right mouse button.</para><para>You can "
 218         "view the contents of a folder without leaving the current "
 219         "location by clicking to the left of it. This way you can view "
 220         "the contents of multiple folders in the same list.</para>"));
 221
 222     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
 223     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 224     viewModeActions->addAction(iconsAction);
 225     viewModeActions->addAction(compactAction);
 226     viewModeActions->addAction(detailsAction);
 227     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 228     connect(viewModeActions, &KSelectAction::triggered, this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 229
 230     QAction* zoomInAction = KStandardAction::zoomIn(this,
 231                             &DolphinViewActionHandler::zoomIn,
 232                             m_actionCollection);
 233     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 234
 235     QAction* zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
 236     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
 237     zoomResetAction->setToolTip(i18n("Zoom To Default"));
 238     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
 239     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
 240     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL | Qt::Key_0});
 241     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 242
 243     QAction* zoomOutAction = KStandardAction::zoomOut(this,
 244                              &DolphinViewActionHandler::zoomOut,
 245                              m_actionCollection);
 246     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 247
 248     KActionMenu* zoomMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("zoom"));
 249     zoomMenu->setText(i18nc("@action:inmenu menu of zoom actions", "Zoom"));
 250     zoomMenu->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 251     zoomMenu->setPopupMode(QToolButton::InstantPopup);
 252     zoomMenu->addAction(zoomInAction);
 253     zoomMenu->addAction(zoomResetAction);
 254     zoomMenu->addAction(zoomOutAction);
 255
 256     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 257     showPreview->setText(i18nc("@action:intoolbar", "Show Previews"));
 258     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 259     showPreview->setWhatsThis(xi18nc("@info:whatsthis", "When this is "
 260         "enabled, the icons are based on the actual file or folder "
 261         "contents.<nl/>For example the icons of images become scaled "
 262         "down versions of the images."));
 263     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 264     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 265
 266     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 267     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 268     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 269
 270     KToggleAction* sortHiddenLast = m_actionCollection->add<KToggleAction>(QStringLiteral("hidden_last"));
 271     sortHiddenLast->setText(i18nc("@action:inmenu Sort", "Hidden Files Last"));
 272     connect(sortHiddenLast, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortHiddenLast);
 273
 274     // View -> Sort By
 275     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 276
 277     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 278     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 279     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 280     sortByActionMenu->setPopupMode(QToolButton::InstantPopup);
 281
 282     const auto sortByActionGroupActions = sortByActionGroup->actions();
 283     for (QAction* action : sortByActionGroupActions) {
 284         sortByActionMenu->addAction(action);
 285     }
 286
 287     sortByActionMenu->addSeparator();
 288
 289     QActionGroup* group = new QActionGroup(sortByActionMenu);
 290     group->setExclusive(true);
 291
 292     KToggleAction* ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 293     ascendingAction->setActionGroup(group);
 294     connect(ascendingAction, &QAction::triggered, this, [this] {
 295         m_currentView->setSortOrder(Qt::AscendingOrder);
 296     });
 297
 298     KToggleAction* descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 299     descendingAction->setActionGroup(group);
 300     connect(descendingAction, &QAction::triggered, this, [this] {
 301         m_currentView->setSortOrder(Qt::DescendingOrder);
 302     });
 303
 304     sortByActionMenu->addAction(ascendingAction);
 305     sortByActionMenu->addAction(descendingAction);
 306     sortByActionMenu->addSeparator();
 307     sortByActionMenu->addAction(sortFoldersFirst);
 308     sortByActionMenu->addAction(sortHiddenLast);
 309
 310     // View -> Additional Information
 311     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 312
 313     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 314     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Show Additional Information"));
 315     visibleRolesMenu->setIcon(QIcon::fromTheme(QStringLiteral("documentinfo")));
 316     visibleRolesMenu->setPopupMode(QToolButton::InstantPopup);
 317
 318     const auto visibleRolesGroupActions = visibleRolesGroup->actions();
 319     for (QAction* action : visibleRolesGroupActions) {
 320         visibleRolesMenu->addAction(action);
 321     }
 322
 323     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 324     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 325     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 326     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 327     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 328
 329     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 330     showHiddenFiles->setIcon(QIcon::fromTheme(QStringLiteral("view-visible")));
 331     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 332     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 333         "this is enabled <emphasis>hidden</emphasis> files and folders "
 334         "are visible. They will be displayed semi-transparent.</para>"
 335         "<para>Hidden items only differ from other ones in that their "
 336         "name starts with a \".\". In general there is no need for "
 337         "users to access them which is why they are hidden.</para>"));
 338     m_actionCollection->setDefaultShortcuts(showHiddenFiles, KStandardShortcut::showHideHiddenFiles());
 339     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 340
 341     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 342     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Display Style..."));
 343     adjustViewProps->setIcon(QIcon::fromTheme(QStringLiteral("view-choose")));
 344     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 345         "in which all folder view properties can be adjusted."));
 346     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 347 }
 348
 349 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 350 {
 351     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 352     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 353
 354     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 355     rolesActionGroup->setExclusive(isSortGroup);
 356     if (isSortGroup) {
 357         connect(rolesActionGroup, &QActionGroup::triggered,
 358                 this, &DolphinViewActionHandler::slotSortTriggered);
 359     } else {
 360         connect(rolesActionGroup, &QActionGroup::triggered,
 361                 this, &DolphinViewActionHandler::toggleVisibleRole);
 362     }
 363
 364     QString groupName;
 365     KActionMenu* groupMenu = nullptr;
 366     QActionGroup* groupMenuGroup = nullptr;
 367
 368     bool indexingEnabled = false;
 369 #if HAVE_BALOO
 370     Baloo::IndexerConfig config;
 371     indexingEnabled = config.fileIndexingEnabled();
 372 #endif
 373
 374     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 375     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
 376         if (!isSortGroup && info.role == "text") {
 377             // It should not be possible to hide the "text" role
 378             continue;
 379         }
 380
 381         KToggleAction* action = nullptr;
 382         const QString name = groupPrefix + info.role;
 383         if (info.group.isEmpty()) {
 384             action = m_actionCollection->add<KToggleAction>(name);
 385             action->setActionGroup(rolesActionGroup);
 386         } else {
 387             if (!groupMenu || info.group != groupName) {
 388                 groupName = info.group;
 389                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 390                 groupMenu->setText(groupName);
 391                 groupMenu->setActionGroup(rolesActionGroup);
 392
 393                 groupMenuGroup = new QActionGroup(groupMenu);
 394                 groupMenuGroup->setExclusive(isSortGroup);
 395                 if (isSortGroup) {
 396                     connect(groupMenuGroup, &QActionGroup::triggered,
 397                             this, &DolphinViewActionHandler::slotSortTriggered);
 398                 } else {
 399                     connect(groupMenuGroup, &QActionGroup::triggered,
 400                             this, &DolphinViewActionHandler::toggleVisibleRole);
 401                 }
 402             }
 403
 404             action = new KToggleAction(groupMenu);
 405             action->setActionGroup(groupMenuGroup);
 406             groupMenu->addAction(action);
 407         }
 408         action->setText(info.translation);
 409         action->setData(info.role);
 410
 411         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 412                             (info.requiresBaloo) ||
 413                             (info.requiresIndexer && indexingEnabled);
 414         action->setEnabled(enable);
 415
 416         if (isSortGroup) {
 417             m_sortByActions.insert(info.role, action);
 418         } else {
 419             m_visibleRoles.insert(info.role, action);
 420         }
 421     }
 422
 423     return rolesActionGroup;
 424 }
 425
 426 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 427 {
 428     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 429     m_currentView->setViewMode(mode);
 430
 431     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 432     viewModeMenu->setIcon(action->icon());
 433 }
 434
 435 void DolphinViewActionHandler::slotRename()
 436 {
 437     if (m_currentView->selectedItemsCount() == 0) {
 438         Q_EMIT setSelectionMode(true, SelectionMode::BottomBar::Contents::RenameContents);
 439     } else {
 440         Q_EMIT actionBeingHandled();
 441         m_currentView->renameSelectedItems();
 442         // We don't exit selectionMode here because users might want to rename more items.
 443     }
 444 }
 445
 446 void DolphinViewActionHandler::slotTrashActivated()
 447 {
 448     if (m_currentView->selectedItemsCount() == 0) {
 449         Q_EMIT setSelectionMode(true, SelectionMode::BottomBar::Contents::MoveToTrashContents);
 450     } else {
 451         Q_EMIT actionBeingHandled();
 452         m_currentView->trashSelectedItems();
 453         Q_EMIT setSelectionMode(false);
 454     }
 455 }
 456
 457 void DolphinViewActionHandler::slotDeleteItems()
 458 {
 459     if (m_currentView->selectedItemsCount() == 0) {
 460         Q_EMIT setSelectionMode(true, SelectionMode::BottomBar::Contents::DeleteContents);
 461     } else {
 462         Q_EMIT actionBeingHandled();
 463         m_currentView->deleteSelectedItems();
 464         Q_EMIT setSelectionMode(false);
 465     }
 466 }
 467
 468 void DolphinViewActionHandler::togglePreview(bool show)
 469 {
 470     Q_EMIT actionBeingHandled();
 471     m_currentView->setPreviewsShown(show);
 472 }
 473
 474 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 475 {
 476     Q_UNUSED(shown)
 477     // It is not enough to update the 'Show Preview' action, also
 478     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
 479     updateViewActions();
 480 }
 481
 482 QString DolphinViewActionHandler::currentViewModeActionName() const
 483 {
 484     switch (m_currentView->viewMode()) {
 485     case DolphinView::IconsView:
 486         return QStringLiteral("icons");
 487     case DolphinView::DetailsView:
 488         return QStringLiteral("details");
 489     case DolphinView::CompactView:
 490         return QStringLiteral("compact");
 491     default:
 492         Q_ASSERT(false);
 493         break;
 494     }
 495     return QString(); // can't happen
 496 }
 497
 498 KActionCollection* DolphinViewActionHandler::actionCollection()
 499 {
 500     return m_actionCollection;
 501 }
 502
 503 void DolphinViewActionHandler::updateViewActions()
 504 {
 505     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 506     if (viewModeAction) {
 507         viewModeAction->setChecked(true);
 508
 509         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 510         viewModeMenu->setIcon(viewModeAction->icon());
 511     }
 512
 513     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 514     showPreviewAction->setChecked(m_currentView->previewsShown());
 515
 516     slotSortOrderChanged(m_currentView->sortOrder());
 517     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 518     slotSortHiddenLastChanged(m_currentView->sortHiddenLast());
 519     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 520     slotGroupedSortingChanged(m_currentView->groupedSorting());
 521     slotSortRoleChanged(m_currentView->sortRole());
 522     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 523
 524     // Updates the "show_hidden_files" action state and icon
 525     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 526 }
 527
 528 void DolphinViewActionHandler::zoomIn()
 529 {
 530     const int level = m_currentView->zoomLevel();
 531     m_currentView->setZoomLevel(level + 1);
 532     updateViewActions();
 533 }
 534
 535 void DolphinViewActionHandler::zoomOut()
 536 {
 537     const int level = m_currentView->zoomLevel();
 538     m_currentView->setZoomLevel(level - 1);
 539     updateViewActions();
 540 }
 541
 542 void DolphinViewActionHandler::zoomReset()
 543 {
 544     m_currentView->resetZoomLevel();
 545     updateViewActions();
 546 }
 547
 548 void DolphinViewActionHandler::toggleSortFoldersFirst()
 549 {
 550     const bool sortFirst = m_currentView->sortFoldersFirst();
 551     m_currentView->setSortFoldersFirst(!sortFirst);
 552 }
 553
 554 void DolphinViewActionHandler::toggleSortHiddenLast()
 555 {
 556     const bool sortHiddenLast = m_currentView->sortHiddenLast();
 557     m_currentView->setSortHiddenLast(!sortHiddenLast);
 558 }
 559
 560 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 561 {
 562     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 563     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 564     const bool sortDescending = (order == Qt::DescendingOrder);
 565     descending->setChecked(sortDescending);
 566     ascending->setChecked(!sortDescending);
 567 }
 568
 569 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 570 {
 571     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 572 }
 573
 574 void DolphinViewActionHandler::slotSortHiddenLastChanged(bool hiddenLast)
 575 {
 576     m_actionCollection->action(QStringLiteral("hidden_last"))->setChecked(hiddenLast);
 577 }
 578
 579 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 580 {
 581     Q_EMIT actionBeingHandled();
 582
 583     const QByteArray toggledRole = action->data().toByteArray();
 584
 585     QList<QByteArray> roles = m_currentView->visibleRoles();
 586
 587     const bool show = action->isChecked();
 588
 589     const int index = roles.indexOf(toggledRole);
 590     const bool containsInfo = (index >= 0);
 591     if (show && !containsInfo) {
 592         roles.append(toggledRole);
 593         m_currentView->setVisibleRoles(roles);
 594     } else if (!show && containsInfo) {
 595         roles.removeAt(index);
 596         m_currentView->setVisibleRoles(roles);
 597         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 598     }
 599 }
 600
 601 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 602                                                        const QList<QByteArray>& previous)
 603 {
 604     Q_UNUSED(previous)
 605
 606     const auto checkedRoles = QSet<QByteArray>(current.constBegin(), current.constEnd());
 607     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 608     while (it.hasNext()) {
 609         it.next();
 610         const QByteArray& role = it.key();
 611         KToggleAction* action = it.value();
 612         action->setChecked(checkedRoles.contains(role));
 613     }
 614 }
 615
 616 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 617 {
 618     m_currentView->setGroupedSorting(grouped);
 619 }
 620
 621 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 622 {
 623     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 624     showInGroupsAction->setChecked(groupedSorting);
 625 }
 626
 627 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 628 {
 629     Q_EMIT actionBeingHandled();
 630     m_currentView->setHiddenFilesShown(show);
 631 }
 632
 633 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 634 {
 635     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 636     showHiddenFilesAction->setChecked(shown);
 637 }
 638
 639 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 640 {
 641     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 642                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 643 }
 644
 645 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 646 {
 647     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 648     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 649     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 650     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_1);
 651     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 652     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 653     return iconsView;
 654 }
 655
 656 KToggleAction* DolphinViewActionHandler::compactModeAction()
 657 {
 658     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 659     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 660     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 661     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_2);
 662     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 663     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 664     return iconsView;
 665 }
 666
 667 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 668 {
 669     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 670     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 671     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 672     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL | Qt::Key_3);
 673     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 674     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 675     return detailsView;
 676 }
 677
 678 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 679 {
 680     KToggleAction* action = m_sortByActions.value(role);
 681     if (action) {
 682         action->setChecked(true);
 683
 684         if (!action->icon().isNull()) {
 685             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 686             sortByMenu->setIcon(action->icon());
 687         }
 688     }
 689
 690     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 691     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 692
 693     if (role == "text" || role == "type" || role == "extension" || role == "tags" || role == "comment") {
 694         descending->setText(i18nc("Sort descending", "Z-A"));
 695         ascending->setText(i18nc("Sort ascending", "A-Z"));
 696     } else if (role == "size") {
 697         descending->setText(i18nc("Sort descending", "Largest First"));
 698         ascending->setText(i18nc("Sort ascending", "Smallest First"));
 699     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 700         descending->setText(i18nc("Sort descending", "Newest First"));
 701         ascending->setText(i18nc("Sort ascending", "Oldest First"));
 702     } else if (role == "rating") {
 703         descending->setText(i18nc("Sort descending", "Highest First"));
 704         ascending->setText(i18nc("Sort ascending", "Lowest First"));
 705     } else {
 706         descending->setText(i18nc("Sort descending", "Descending"));
 707         ascending->setText(i18nc("Sort ascending", "Ascending"));
 708     }
 709
 710     slotSortOrderChanged(m_currentView->sortOrder());
 711 }
 712
 713 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 714 {
 715     Q_UNUSED(previous)
 716
 717     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 718     if (zoomInAction) {
 719         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 720     }
 721
 722     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 723     if (zoomOutAction) {
 724         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 725     }
 726 }
 727
 728 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 729 {
 730     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 731     // and several sub-menus. Because of this they don't have a common
 732     // action-group that assures an exclusive toggle-state between the main-menu
 733     // actions and the sub-menu-actions. If an action gets checked, it must
 734     // be assured that all other actions get unchecked, except the ascending/
 735     // descending actions
 736     for (QAction *groupAction : qAsConst(m_sortByActions)) {
 737         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 738         if (actionMenu) {
 739             const auto actions = actionMenu->menu()->actions();
 740             for (QAction* subAction : actions) {
 741                 subAction->setChecked(false);
 742             }
 743         } else if (groupAction->actionGroup()) {
 744             groupAction->setChecked(false);
 745         }
 746     }
 747     action->setChecked(true);
 748
 749     // Apply the activated sort-role to the view
 750     const QByteArray role = action->data().toByteArray();
 751     m_currentView->setSortRole(role);
 752 }
 753
 754 void DolphinViewActionHandler::slotAdjustViewProperties()
 755 {
 756     Q_EMIT actionBeingHandled();
 757     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 758     dialog->exec();
 759     delete dialog;
 760 }
 761
 762 void DolphinViewActionHandler::slotDuplicate()
 763 {
 764     if (m_currentView->selectedItemsCount() == 0) {
 765         Q_EMIT setSelectionMode(true, SelectionMode::BottomBar::Contents::DuplicateContents);
 766     } else {
 767         Q_EMIT actionBeingHandled();
 768         m_currentView->duplicateSelectedItems();
 769         Q_EMIT setSelectionMode(false);
 770     }
 771 }
 772
 773 void DolphinViewActionHandler::slotProperties()
 774 {
 775     KPropertiesDialog* dialog = nullptr;
 776     const KFileItemList list = m_currentView->selectedItems();
 777     if (list.isEmpty()) {
 778         const QUrl url = m_currentView->url();
 779         dialog = new KPropertiesDialog(url, m_currentView);
 780     } else {
 781         dialog = new KPropertiesDialog(list, m_currentView);
 782     }
 783
 784     dialog->setAttribute(Qt::WA_DeleteOnClose);
 785     dialog->show();
 786     dialog->raise();
 787     dialog->activateWindow();
 788 }
 789
 790 void DolphinViewActionHandler::slotCopyPath()
 791 {
 792     if (m_currentView->selectedItemsCount() == 0) {
 793         Q_EMIT setSelectionMode(true, SelectionMode::BottomBar::Contents::CopyLocationContents);
 794     } else {
 795         m_currentView->copyPathToClipboard();
 796         Q_EMIT setSelectionMode(false);
 797     }
 798 }
 799
 800 void DolphinViewActionHandler::slotSelectionChanged(const KFileItemList& selection)
 801 {
 802     QString basicActionsMenuText;
 803     if (selection.isEmpty()) {
 804         basicActionsMenuText =
 805             i18nc("@action:inmenu menu with actions like copy, paste, rename. The user's selection is empty when this text is shown.",
 806                   "Actions for Current View");
 807     } else {
 808         QFontMetrics fontMetrics = QMenu().fontMetrics();
 809         // i18n: @action:inmenu menu with actions like copy, paste, rename.
 810         // %1 is a textual representation of the currently selected files or folders. This can be the name of
 811         // the file/files like "file1" or "file1, file2 and file3" or an aggregate like "8 Selected Folders".
 812         // If this sort of word puzzle can not be correctly translated in your language, translate it as "NULL" (without the quotes)
 813         // and a fallback will be used.
 814         basicActionsMenuText = i18n("Actions for %1", fileItemListToString(selection, fontMetrics.averageCharWidth() * 40, fontMetrics, ItemsState::Selected));
 815     }
 816
 817     if (basicActionsMenuText == QStringLiteral("NULL")) {
 818         const KFileItemListProperties properties(selection);
 819         basicActionsMenuText =
 820             i18ncp("@action:inmenu menu with actions like copy, paste, rename. %1 is the amount of selected files/folders.",
 821                     "Actions for One Selected Item", "Actions for %1 Selected Items", selection.count());
 822     }
 823
 824     QAction *basicActionsMenu = m_actionCollection->action(QStringLiteral("basic_actions"));
 825     basicActionsMenu->setText(basicActionsMenuText);
 826
 827     // Add or remove contextual actions
 828     while (!basicActionsMenu->menu()->actions().constLast()->isSeparator()) {
 829         basicActionsMenu->menu()->removeAction(basicActionsMenu->menu()->actions().last());
 830     }
 831     if (selection.count() == 1) {
 832         if (selection.first().isLink()) {
 833             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("show_target")));
 834         }
 835         if (selection.first().isDir()) {
 836             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("add_to_places")));
 837         }
 838     }
 839 }