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/kfileitemmodel.h"
  12 #include "settings/viewpropertiesdialog.h"
  13 #include "views/zoomlevelinfo.h"
  14 #include "kconfig_version.h"
  15
  16 #ifdef HAVE_BALOO
  17 #include <Baloo/IndexerConfig>
  18 #endif
  19 #include <KActionCollection>
  20 #include <KActionMenu>
  21 #include <KFileItemListProperties>
  22 #include <KLocalizedString>
  23 #include <KNewFileMenu>
  24 #include <KPropertiesDialog>
  25 #include <KProtocolManager>
  26
  27 #include <QActionGroup>
  28 #include <QMenu>
  29 #include <QPointer>
  30
  31 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, QObject* parent) :
  32     QObject(parent),
  33     m_actionCollection(collection),
  34     m_currentView(nullptr),
  35     m_sortByActions(),
  36     m_visibleRoles()
  37 {
  38     Q_ASSERT(m_actionCollection);
  39     createActions();
  40 }
  41
  42 void DolphinViewActionHandler::setCurrentView(DolphinView* view)
  43 {
  44     Q_ASSERT(view);
  45
  46     if (m_currentView) {
  47         disconnect(m_currentView, nullptr, this, nullptr);
  48     }
  49
  50     m_currentView = view;
  51
  52     connect(view, &DolphinView::modeChanged,
  53             this, &DolphinViewActionHandler::updateViewActions);
  54     connect(view, &DolphinView::previewsShownChanged,
  55             this, &DolphinViewActionHandler::slotPreviewsShownChanged);
  56     connect(view, &DolphinView::sortOrderChanged,
  57             this, &DolphinViewActionHandler::slotSortOrderChanged);
  58     connect(view, &DolphinView::sortFoldersFirstChanged,
  59             this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
  60     connect(view, &DolphinView::sortHiddenLastChanged,
  61             this, &DolphinViewActionHandler::slotSortHiddenLastChanged);
  62     connect(view, &DolphinView::visibleRolesChanged,
  63             this, &DolphinViewActionHandler::slotVisibleRolesChanged);
  64     connect(view, &DolphinView::groupedSortingChanged,
  65             this, &DolphinViewActionHandler::slotGroupedSortingChanged);
  66     connect(view, &DolphinView::hiddenFilesShownChanged,
  67             this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
  68     connect(view, &DolphinView::sortRoleChanged,
  69             this, &DolphinViewActionHandler::slotSortRoleChanged);
  70     connect(view, &DolphinView::zoomLevelChanged,
  71             this, &DolphinViewActionHandler::slotZoomLevelChanged);
  72     connect(view, &DolphinView::writeStateChanged,
  73             this, &DolphinViewActionHandler::slotWriteStateChanged);
  74     connect(view, &DolphinView::selectionChanged,
  75             this, &DolphinViewActionHandler::slotSelectionChanged);
  76     slotSelectionChanged(m_currentView->selectedItems());
  77 }
  78
  79 DolphinView* DolphinViewActionHandler::currentView()
  80 {
  81     return m_currentView;
  82 }
  83
  84 void DolphinViewActionHandler::createActions()
  85 {
  86     // This action doesn't appear in the GUI, it's for the shortcut only.
  87     // KNewFileMenu takes care of the GUI stuff.
  88     QAction* newDirAction = m_actionCollection->addAction(QStringLiteral("create_dir"));
  89     newDirAction->setText(i18nc("@action", "Create Folder..."));
  90     m_actionCollection->setDefaultShortcuts(newDirAction, KStandardShortcut::createFolder());
  91     newDirAction->setIcon(QIcon::fromTheme(QStringLiteral("folder-new")));
  92     newDirAction->setEnabled(false);    // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
  93     connect(newDirAction, &QAction::triggered, this, &DolphinViewActionHandler::createDirectoryTriggered);
  94
  95     // File menu
  96
  97     auto renameAction = KStandardAction::renameFile(this, &DolphinViewActionHandler::slotRename, m_actionCollection);
  98     renameAction->setWhatsThis(xi18nc("@info:whatsthis", "This renames the "
  99         "items in your current selection.<nl/>Renaming multiple items "
 100         "at once amounts to their new names differing only in a number."));
 101
 102     auto trashAction = KStandardAction::moveToTrash(this, &DolphinViewActionHandler::slotTrashActivated, m_actionCollection);
 103     auto trashShortcuts = trashAction->shortcuts();
 104     if (!trashShortcuts.contains(QKeySequence::Delete)) {
 105         trashShortcuts.append(QKeySequence::Delete);
 106         m_actionCollection->setDefaultShortcuts(trashAction, trashShortcuts);
 107     }
 108     trashAction->setWhatsThis(xi18nc("@info:whatsthis", "This moves the "
 109         "items in your current selection to the <filename>Trash"
 110         "</filename>.<nl/>The trash is a temporary storage where "
 111         "items can be deleted from if disk space is needed."));
 112
 113     auto deleteAction = KStandardAction::deleteFile(this, &DolphinViewActionHandler::slotDeleteItems, m_actionCollection);
 114     auto deleteShortcuts = deleteAction->shortcuts();
 115     if (!deleteShortcuts.contains(Qt::SHIFT | Qt::Key_Delete)) {
 116         deleteShortcuts.append(Qt::SHIFT | Qt::Key_Delete);
 117         m_actionCollection->setDefaultShortcuts(deleteAction, deleteShortcuts);
 118     }
 119     deleteAction->setWhatsThis(xi18nc("@info:whatsthis", "This deletes "
 120         "the items in your current selection completely. They can "
 121         "not be recovered by normal means."));
 122
 123     // This action is useful for being enabled when KStandardAction::MoveToTrash should be
 124     // disabled and KStandardAction::DeleteFile is enabled (e.g. non-local files), so that Key_Del
 125     // can be used for deleting the file (#76016). It needs to be a separate action
 126     // so that the Edit menu isn't affected.
 127     QAction* deleteWithTrashShortcut = m_actionCollection->addAction(QStringLiteral("delete_shortcut"));
 128     // The descriptive text is just for the shortcuts editor.
 129     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
 130     m_actionCollection->setDefaultShortcuts(deleteWithTrashShortcut, KStandardShortcut::moveToTrash());
 131     deleteWithTrashShortcut->setEnabled(false);
 132     connect(deleteWithTrashShortcut, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 133
 134     QAction* duplicateAction = m_actionCollection->addAction(QStringLiteral("duplicate"));
 135     duplicateAction->setText(i18nc("@action:inmenu File", "Duplicate Here"));
 136     duplicateAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-duplicate")));
 137     m_actionCollection->setDefaultShortcut(duplicateAction, Qt::CTRL | Qt::Key_D);
 138     duplicateAction->setEnabled(false);
 139     connect(duplicateAction, &QAction::triggered, this, &DolphinViewActionHandler::slotDuplicate);
 140
 141     QAction *propertiesAction = m_actionCollection->addAction( QStringLiteral("properties") );
 142     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 143     propertiesAction->setText( i18nc("@action:inmenu File", "Properties") );
 144     propertiesAction->setWhatsThis(xi18nc("@info:whatsthis properties",
 145         "This shows a complete list of properties of the currently "
 146         "selected items in a new window.<nl/>If nothing is selected the "
 147         "window will be about the currently viewed folder instead.<nl/>"
 148         "You can configure advanced options there like managing "
 149         "read- and write-permissions."));
 150     propertiesAction->setIcon(QIcon::fromTheme(QStringLiteral("document-properties")));
 151     m_actionCollection->setDefaultShortcuts(propertiesAction, {Qt::ALT | Qt::Key_Return, Qt::ALT | Qt::Key_Enter});
 152     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 153
 154     QAction *copyPathAction = m_actionCollection->addAction( QStringLiteral("copy_location") );
 155     copyPathAction->setText(i18nc("@action:incontextmenu", "Copy Location"));
 156     copyPathAction->setWhatsThis(i18nc("@info:whatsthis copy_location",
 157                                           "This will copy the path of the first selected item into the clipboard."
 158                                 ));
 159
 160     copyPathAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy-path")));
 161     m_actionCollection->setDefaultShortcuts(copyPathAction, {Qt::CTRL | Qt::ALT | Qt::Key_C});
 162     connect(copyPathAction, &QAction::triggered, this, &DolphinViewActionHandler::slotCopyPath);
 163
 164     // This menu makes sure that users who don't know how to open a context menu and haven't
 165     // figured out how to enable the menu bar can still perform basic file manipulation.
 166     // This only works if they know how to select a file.
 167     // The text when nothing is selected at least implies that a selection can /somehow/ be made.
 168     // This menu is by default only used in the hamburger menu but created here so users can put
 169     // it on their toolbar.
 170     KActionMenu *basicActionsMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("basic_actions"), this);
 171     // The text is set later depending on the selection in the currently active view.
 172     basicActionsMenu->setPopupMode(QToolButton::InstantPopup);
 173     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Cut)));
 174     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Copy)));
 175     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Paste)));
 176     basicActionsMenu->addSeparator();
 177     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::RenameFile)));
 178     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::MoveToTrash)));
 179     basicActionsMenu->addSeparator();
 180     basicActionsMenu->addAction(m_actionCollection->action(QStringLiteral("properties")));
 181     basicActionsMenu->addSeparator(); // We add one more separator because we sometimes add contextual
 182                                       // actions in slotSelectionChanged() after the static ones above.
 183
 184     // View menu
 185     KToggleAction* iconsAction = iconsModeAction();
 186     KToggleAction* compactAction = compactModeAction();
 187     KToggleAction* detailsAction = detailsModeAction();
 188
 189     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
 190         "<para>This switches to a view mode that focuses on the folder "
 191         "and file icons. This mode makes it easy to distinguish folders "
 192         "from files and to detect items with distinctive <emphasis>"
 193         "file types</emphasis>.</para><para> This mode is handy to "
 194         "browse through pictures when the <interface>Preview"
 195         "</interface> option is enabled.</para>"));
 196     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
 197         "<para>This switches to a compact view mode that lists the folders "
 198         "and files in columns with the names beside the icons.</para><para>"
 199         "This helps to keep the overview in folders with many items.</para>"));
 200     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
 201         "<para>This switches to a list view mode that focuses on folder "
 202         "and file details.</para><para>Click on a detail in the column "
 203         "header to sort the items by it. Click again to sort the other "
 204         "way around. To select which details should be displayed click "
 205         "the header with the right mouse button.</para><para>You can "
 206         "view the contents of a folder without leaving the current "
 207         "location by clicking to the left of it. This way you can view "
 208         "the contents of multiple folders in the same list.</para>"));
 209
 210     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
 211     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 212     viewModeActions->addAction(iconsAction);
 213     viewModeActions->addAction(compactAction);
 214     viewModeActions->addAction(detailsAction);
 215     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 216     connect(viewModeActions, QOverload<QAction*>::of(&KSelectAction::triggered), this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 217
 218     QAction* zoomInAction = KStandardAction::zoomIn(this,
 219                             &DolphinViewActionHandler::zoomIn,
 220                             m_actionCollection);
 221     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 222
 223     QAction* zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
 224     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
 225     zoomResetAction->setToolTip(i18n("Zoom To Default"));
 226     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
 227     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
 228     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL | Qt::Key_0});
 229     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 230
 231     QAction* zoomOutAction = KStandardAction::zoomOut(this,
 232                              &DolphinViewActionHandler::zoomOut,
 233                              m_actionCollection);
 234     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 235
 236     KActionMenu* zoomMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("zoom"));
 237     zoomMenu->setText(i18nc("@action:inmenu menu of zoom actions", "Zoom"));
 238     zoomMenu->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 239     zoomMenu->setPopupMode(QToolButton::InstantPopup);
 240     zoomMenu->addAction(zoomInAction);
 241     zoomMenu->addAction(zoomResetAction);
 242     zoomMenu->addAction(zoomOutAction);
 243
 244     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 245     showPreview->setText(i18nc("@action:intoolbar", "Show Previews"));
 246     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 247     showPreview->setWhatsThis(xi18nc("@info:whatsthis", "When this is "
 248         "enabled, the icons are based on the actual file or folder "
 249         "contents.<nl/>For example the icons of images become scaled "
 250         "down versions of the images."));
 251     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 252     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 253
 254     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 255     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 256     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 257
 258     KToggleAction* sortHiddenLast = m_actionCollection->add<KToggleAction>(QStringLiteral("hidden_last"));
 259     sortHiddenLast->setText(i18nc("@action:inmenu Sort", "Hidden Files Last"));
 260     connect(sortHiddenLast, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortHiddenLast);
 261
 262     // View -> Sort By
 263     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 264
 265     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 266     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 267     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 268     sortByActionMenu->setPopupMode(QToolButton::InstantPopup);
 269
 270     const auto sortByActionGroupActions = sortByActionGroup->actions();
 271     for (QAction* action : sortByActionGroupActions) {
 272         sortByActionMenu->addAction(action);
 273     }
 274
 275     sortByActionMenu->addSeparator();
 276
 277     QActionGroup* group = new QActionGroup(sortByActionMenu);
 278     group->setExclusive(true);
 279
 280     KToggleAction* ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 281     ascendingAction->setActionGroup(group);
 282     connect(ascendingAction, &QAction::triggered, this, [this] {
 283         m_currentView->setSortOrder(Qt::AscendingOrder);
 284     });
 285
 286     KToggleAction* descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 287     descendingAction->setActionGroup(group);
 288     connect(descendingAction, &QAction::triggered, this, [this] {
 289         m_currentView->setSortOrder(Qt::DescendingOrder);
 290     });
 291
 292     sortByActionMenu->addAction(ascendingAction);
 293     sortByActionMenu->addAction(descendingAction);
 294     sortByActionMenu->addSeparator();
 295     sortByActionMenu->addAction(sortFoldersFirst);
 296     sortByActionMenu->addAction(sortHiddenLast);
 297
 298     // View -> Additional Information
 299     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 300
 301     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 302     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Show Additional Information"));
 303     visibleRolesMenu->setIcon(QIcon::fromTheme(QStringLiteral("documentinfo")));
 304     visibleRolesMenu->setPopupMode(QToolButton::InstantPopup);
 305
 306     const auto visibleRolesGroupActions = visibleRolesGroup->actions();
 307     for (QAction* action : visibleRolesGroupActions) {
 308         visibleRolesMenu->addAction(action);
 309     }
 310
 311     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 312     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 313     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 314     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 315     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 316
 317     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 318     showHiddenFiles->setIcon(QIcon::fromTheme(QStringLiteral("view-visible")));
 319     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 320     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 321         "this is enabled <emphasis>hidden</emphasis> files and folders "
 322         "are visible. They will be displayed semi-transparent.</para>"
 323         "<para>Hidden items only differ from other ones in that their "
 324         "name starts with a \".\". In general there is no need for "
 325         "users to access them which is why they are hidden.</para>"));
 326     m_actionCollection->setDefaultShortcuts(showHiddenFiles, KStandardShortcut::showHideHiddenFiles());
 327     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 328
 329     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 330     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Display Style..."));
 331     adjustViewProps->setIcon(QIcon::fromTheme(QStringLiteral("view-choose")));
 332     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 333         "in which all folder view properties can be adjusted."));
 334     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 335 }
 336
 337 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 338 {
 339     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 340     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 341
 342     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 343     rolesActionGroup->setExclusive(isSortGroup);
 344     if (isSortGroup) {
 345         connect(rolesActionGroup, &QActionGroup::triggered,
 346                 this, &DolphinViewActionHandler::slotSortTriggered);
 347     } else {
 348         connect(rolesActionGroup, &QActionGroup::triggered,
 349                 this, &DolphinViewActionHandler::toggleVisibleRole);
 350     }
 351
 352     QString groupName;
 353     KActionMenu* groupMenu = nullptr;
 354     QActionGroup* groupMenuGroup = nullptr;
 355
 356     bool indexingEnabled = false;
 357 #ifdef HAVE_BALOO
 358     Baloo::IndexerConfig config;
 359     indexingEnabled = config.fileIndexingEnabled();
 360 #endif
 361
 362     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 363     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
 364         if (!isSortGroup && info.role == "text") {
 365             // It should not be possible to hide the "text" role
 366             continue;
 367         }
 368
 369         KToggleAction* action = nullptr;
 370         const QString name = groupPrefix + info.role;
 371         if (info.group.isEmpty()) {
 372             action = m_actionCollection->add<KToggleAction>(name);
 373             action->setActionGroup(rolesActionGroup);
 374         } else {
 375             if (!groupMenu || info.group != groupName) {
 376                 groupName = info.group;
 377                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 378                 groupMenu->setText(groupName);
 379                 groupMenu->setActionGroup(rolesActionGroup);
 380
 381                 groupMenuGroup = new QActionGroup(groupMenu);
 382                 groupMenuGroup->setExclusive(isSortGroup);
 383                 if (isSortGroup) {
 384                     connect(groupMenuGroup, &QActionGroup::triggered,
 385                             this, &DolphinViewActionHandler::slotSortTriggered);
 386                 } else {
 387                     connect(groupMenuGroup, &QActionGroup::triggered,
 388                             this, &DolphinViewActionHandler::toggleVisibleRole);
 389                 }
 390             }
 391
 392             action = new KToggleAction(groupMenu);
 393             action->setActionGroup(groupMenuGroup);
 394             groupMenu->addAction(action);
 395         }
 396         action->setText(info.translation);
 397         action->setData(info.role);
 398
 399         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 400                             (info.requiresBaloo) ||
 401                             (info.requiresIndexer && indexingEnabled);
 402         action->setEnabled(enable);
 403
 404         if (isSortGroup) {
 405             m_sortByActions.insert(info.role, action);
 406         } else {
 407             m_visibleRoles.insert(info.role, action);
 408         }
 409     }
 410
 411     return rolesActionGroup;
 412 }
 413
 414 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 415 {
 416     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 417     m_currentView->setMode(mode);
 418
 419     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 420     viewModeMenu->setIcon(action->icon());
 421 }
 422
 423 void DolphinViewActionHandler::slotRename()
 424 {
 425     Q_EMIT actionBeingHandled();
 426     m_currentView->renameSelectedItems();
 427 }
 428
 429 void DolphinViewActionHandler::slotTrashActivated()
 430 {
 431     Q_EMIT actionBeingHandled();
 432     m_currentView->trashSelectedItems();
 433 }
 434
 435 void DolphinViewActionHandler::slotDeleteItems()
 436 {
 437     Q_EMIT actionBeingHandled();
 438     m_currentView->deleteSelectedItems();
 439 }
 440
 441 void DolphinViewActionHandler::togglePreview(bool show)
 442 {
 443     Q_EMIT actionBeingHandled();
 444     m_currentView->setPreviewsShown(show);
 445 }
 446
 447 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 448 {
 449     Q_UNUSED(shown)
 450     // It is not enough to update the 'Show Preview' action, also
 451     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
 452     updateViewActions();
 453 }
 454
 455 QString DolphinViewActionHandler::currentViewModeActionName() const
 456 {
 457     switch (m_currentView->mode()) {
 458     case DolphinView::IconsView:
 459         return QStringLiteral("icons");
 460     case DolphinView::DetailsView:
 461         return QStringLiteral("details");
 462     case DolphinView::CompactView:
 463         return QStringLiteral("compact");
 464     default:
 465         Q_ASSERT(false);
 466         break;
 467     }
 468     return QString(); // can't happen
 469 }
 470
 471 KActionCollection* DolphinViewActionHandler::actionCollection()
 472 {
 473     return m_actionCollection;
 474 }
 475
 476 void DolphinViewActionHandler::updateViewActions()
 477 {
 478     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 479     if (viewModeAction) {
 480         viewModeAction->setChecked(true);
 481
 482         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 483         viewModeMenu->setIcon(viewModeAction->icon());
 484     }
 485
 486     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 487     showPreviewAction->setChecked(m_currentView->previewsShown());
 488
 489     slotSortOrderChanged(m_currentView->sortOrder());
 490     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 491     slotSortHiddenLastChanged(m_currentView->sortHiddenLast());
 492     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 493     slotGroupedSortingChanged(m_currentView->groupedSorting());
 494     slotSortRoleChanged(m_currentView->sortRole());
 495     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 496
 497     // Updates the "show_hidden_files" action state and icon
 498     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 499 }
 500
 501 void DolphinViewActionHandler::zoomIn()
 502 {
 503     const int level = m_currentView->zoomLevel();
 504     m_currentView->setZoomLevel(level + 1);
 505     updateViewActions();
 506 }
 507
 508 void DolphinViewActionHandler::zoomOut()
 509 {
 510     const int level = m_currentView->zoomLevel();
 511     m_currentView->setZoomLevel(level - 1);
 512     updateViewActions();
 513 }
 514
 515 void DolphinViewActionHandler::zoomReset()
 516 {
 517     m_currentView->resetZoomLevel();
 518     updateViewActions();
 519 }
 520
 521 void DolphinViewActionHandler::toggleSortFoldersFirst()
 522 {
 523     const bool sortFirst = m_currentView->sortFoldersFirst();
 524     m_currentView->setSortFoldersFirst(!sortFirst);
 525 }
 526
 527 void DolphinViewActionHandler::toggleSortHiddenLast()
 528 {
 529     const bool sortHiddenLast = m_currentView->sortHiddenLast();
 530     m_currentView->setSortHiddenLast(!sortHiddenLast);
 531 }
 532
 533 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 534 {
 535     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 536     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 537     const bool sortDescending = (order == Qt::DescendingOrder);
 538     descending->setChecked(sortDescending);
 539     ascending->setChecked(!sortDescending);
 540 }
 541
 542 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 543 {
 544     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 545 }
 546
 547 void DolphinViewActionHandler::slotSortHiddenLastChanged(bool hiddenLast)
 548 {
 549     m_actionCollection->action(QStringLiteral("hidden_last"))->setChecked(hiddenLast);
 550 }
 551
 552 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 553 {
 554     Q_EMIT actionBeingHandled();
 555
 556     const QByteArray toggledRole = action->data().toByteArray();
 557
 558     QList<QByteArray> roles = m_currentView->visibleRoles();
 559
 560     const bool show = action->isChecked();
 561
 562     const int index = roles.indexOf(toggledRole);
 563     const bool containsInfo = (index >= 0);
 564     if (show && !containsInfo) {
 565         roles.append(toggledRole);
 566         m_currentView->setVisibleRoles(roles);
 567     } else if (!show && containsInfo) {
 568         roles.removeAt(index);
 569         m_currentView->setVisibleRoles(roles);
 570         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 571     }
 572 }
 573
 574 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 575                                                        const QList<QByteArray>& previous)
 576 {
 577     Q_UNUSED(previous)
 578
 579     const auto checkedRoles = QSet<QByteArray>(current.constBegin(), current.constEnd());
 580     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 581     while (it.hasNext()) {
 582         it.next();
 583         const QByteArray& role = it.key();
 584         KToggleAction* action = it.value();
 585         action->setChecked(checkedRoles.contains(role));
 586     }
 587 }
 588
 589 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 590 {
 591     m_currentView->setGroupedSorting(grouped);
 592 }
 593
 594 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 595 {
 596     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 597     showInGroupsAction->setChecked(groupedSorting);
 598 }
 599
 600 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 601 {
 602     Q_EMIT actionBeingHandled();
 603     m_currentView->setHiddenFilesShown(show);
 604 }
 605
 606 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 607 {
 608     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 609     showHiddenFilesAction->setChecked(shown);
 610 }
 611
 612 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 613 {
 614     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 615                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 616 }
 617
 618 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 619 {
 620     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 621     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 622     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 623     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_1);
 624     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 625     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 626     return iconsView;
 627 }
 628
 629 KToggleAction* DolphinViewActionHandler::compactModeAction()
 630 {
 631     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 632     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 633     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 634     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_2);
 635     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 636     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 637     return iconsView;
 638 }
 639
 640 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 641 {
 642     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 643     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 644     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 645     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL | Qt::Key_3);
 646     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 647     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 648     return detailsView;
 649 }
 650
 651 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 652 {
 653     KToggleAction* action = m_sortByActions.value(role);
 654     if (action) {
 655         action->setChecked(true);
 656
 657         if (!action->icon().isNull()) {
 658             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 659             sortByMenu->setIcon(action->icon());
 660         }
 661     }
 662
 663     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 664     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 665
 666     if (role == "text" || role == "type" || role == "tags" || role == "comment") {
 667         descending->setText(i18nc("Sort descending", "Z-A"));
 668         ascending->setText(i18nc("Sort ascending", "A-Z"));
 669     } else if (role == "size") {
 670         descending->setText(i18nc("Sort descending", "Largest First"));
 671         ascending->setText(i18nc("Sort ascending", "Smallest First"));
 672     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 673         descending->setText(i18nc("Sort descending", "Newest First"));
 674         ascending->setText(i18nc("Sort ascending", "Oldest First"));
 675     } else if (role == "rating") {
 676         descending->setText(i18nc("Sort descending", "Highest First"));
 677         ascending->setText(i18nc("Sort ascending", "Lowest First"));
 678     } else {
 679         descending->setText(i18nc("Sort descending", "Descending"));
 680         ascending->setText(i18nc("Sort ascending", "Ascending"));
 681     }
 682
 683     slotSortOrderChanged(m_currentView->sortOrder());
 684 }
 685
 686 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 687 {
 688     Q_UNUSED(previous)
 689
 690     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 691     if (zoomInAction) {
 692         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 693     }
 694
 695     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 696     if (zoomOutAction) {
 697         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 698     }
 699 }
 700
 701 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 702 {
 703     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 704     // and several sub-menus. Because of this they don't have a common
 705     // action-group that assures an exclusive toggle-state between the main-menu
 706     // actions and the sub-menu-actions. If an action gets checked, it must
 707     // be assured that all other actions get unchecked, except the ascending/
 708     // descending actions
 709     for (QAction *groupAction : qAsConst(m_sortByActions)) {
 710         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 711         if (actionMenu) {
 712             const auto actions = actionMenu->menu()->actions();
 713             for (QAction* subAction : actions) {
 714                 subAction->setChecked(false);
 715             }
 716         } else if (groupAction->actionGroup()) {
 717             groupAction->setChecked(false);
 718         }
 719     }
 720     action->setChecked(true);
 721
 722     // Apply the activated sort-role to the view
 723     const QByteArray role = action->data().toByteArray();
 724     m_currentView->setSortRole(role);
 725 }
 726
 727 void DolphinViewActionHandler::slotAdjustViewProperties()
 728 {
 729     Q_EMIT actionBeingHandled();
 730     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 731     dialog->exec();
 732     delete dialog;
 733 }
 734
 735 void DolphinViewActionHandler::slotDuplicate()
 736 {
 737     Q_EMIT actionBeingHandled();
 738     m_currentView->duplicateSelectedItems();
 739 }
 740
 741 void DolphinViewActionHandler::slotProperties()
 742 {
 743     KPropertiesDialog* dialog = nullptr;
 744     const KFileItemList list = m_currentView->selectedItems();
 745     if (list.isEmpty()) {
 746         const QUrl url = m_currentView->url();
 747         dialog = new KPropertiesDialog(url, m_currentView);
 748     } else {
 749         dialog = new KPropertiesDialog(list, m_currentView);
 750     }
 751
 752     dialog->setAttribute(Qt::WA_DeleteOnClose);
 753     dialog->show();
 754     dialog->raise();
 755     dialog->activateWindow();
 756 }
 757
 758 void DolphinViewActionHandler::slotCopyPath()
 759 {
 760     m_currentView->copyPathToClipboard();
 761 }
 762
 763 void DolphinViewActionHandler::slotSelectionChanged(const KFileItemList& selection)
 764 {
 765     QString basicActionsMenuText;
 766     switch (selection.count()) {
 767     case 0:
 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         break;
 772     case 1:
 773         basicActionsMenuText =
 774             i18nc("@action:inmenu menu with actions like copy, paste, rename. %1 is the name of the singular selected file/folder.",
 775                   "Actions for \"%1\"", selection.first().name());
 776         break;
 777     case 2:
 778         basicActionsMenuText =
 779             i18nc("@action:inmenu menu with actions like copy, paste, rename. %1 and %2 are names of files/folders.",
 780                   "Actions for \"%1\" and \"%2\"", selection.first().name(), selection.last().name());
 781         break;
 782     case 3:
 783         basicActionsMenuText =
 784             i18nc("@action:inmenu menu with actions like copy, paste, rename. %1, %2 and %3 are names of files/folders.",
 785                   "Actions for \"%1\", \"%2\" and \"%3\"",
 786                   selection.first().name(), selection.at(1).name(), selection.last().name());
 787         break;
 788     default:
 789         basicActionsMenuText = QString();
 790         break;
 791     }
 792
 793     // At some point the added clarity from the text starts being less important than the menu width.
 794     if (basicActionsMenuText.isEmpty() || basicActionsMenuText.length() > 40) {
 795         const KFileItemListProperties properties(selection);
 796         if (properties.isFile()) {
 797             basicActionsMenuText =
 798                 i18ncp("@action:inmenu menu with actions like copy, paste, rename. %1 is the amount of selected files/folders.",
 799                        "Actions for One Selected File", "Actions for %1 Selected Files", selection.count());
 800         } else if (properties.isDirectory()) {
 801             basicActionsMenuText =
 802                 i18ncp("@action:inmenu menu with actions like copy, paste, rename. %1 is the amount of selected files/folders.",
 803                        "Actions for One Selected Folder", "Actions for %1 Selected Folders", selection.count());
 804         } else {
 805             basicActionsMenuText =
 806                 i18ncp("@action:inmenu menu with actions like copy, paste, rename. %1 is the amount of selected files/folders.",
 807                        "Actions for One Selected Item", "Actions for %1 Selected Items", selection.count());
 808         }
 809     }
 810
 811     QAction *basicActionsMenu = m_actionCollection->action(QStringLiteral("basic_actions"));
 812     basicActionsMenu->setText(basicActionsMenuText);
 813
 814     // Add or remove contextual actions
 815     while (!basicActionsMenu->menu()->actions().constLast()->isSeparator()) {
 816         basicActionsMenu->menu()->removeAction(basicActionsMenu->menu()->actions().last());
 817     }
 818     if (selection.count() == 1) {
 819         if (selection.first().isLink()) {
 820             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("show_target")));
 821         }
 822         if (selection.first().isDir()) {
 823             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("add_to_places")));
 824         }
 825     }
 826 }