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