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