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