src/views/dolphinviewactionhandler.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by David Faure <faure@kde.org>                     *
   3  *   Copyright (C) 2012 by Peter Penz <peter.penz19@gmail.com>             *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinviewactionhandler.h"
  22
  23 #include "dolphindebug.h"
  24 #include "kitemviews/kfileitemmodel.h"
  25 #include "settings/viewpropertiesdialog.h"
  26 #include "views/zoomlevelinfo.h"
  27
  28 #ifdef HAVE_BALOO
  29 #include <Baloo/IndexerConfig>
  30 #endif
  31 #include <KActionCollection>
  32 #include <KActionMenu>
  33 #include <KLocalizedString>
  34 #include <KNewFileMenu>
  35 #include <KPropertiesDialog>
  36 #include <KProtocolManager>
  37 #include <QMenu>
  38 #include <QPointer>
  39
  40 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, QObject* parent) :
  41     QObject(parent),
  42     m_actionCollection(collection),
  43     m_currentView(nullptr),
  44     m_sortByActions(),
  45     m_visibleRoles()
  46 {
  47     Q_ASSERT(m_actionCollection);
  48     createActions();
  49 }
  50
  51 void DolphinViewActionHandler::setCurrentView(DolphinView* view)
  52 {
  53     Q_ASSERT(view);
  54
  55     if (m_currentView) {
  56         disconnect(m_currentView, nullptr, this, nullptr);
  57     }
  58
  59     m_currentView = view;
  60
  61     connect(view, &DolphinView::modeChanged,
  62             this, &DolphinViewActionHandler::updateViewActions);
  63     connect(view, &DolphinView::previewsShownChanged,
  64             this, &DolphinViewActionHandler::slotPreviewsShownChanged);
  65     connect(view, &DolphinView::sortOrderChanged,
  66             this, &DolphinViewActionHandler::slotSortOrderChanged);
  67     connect(view, &DolphinView::sortFoldersFirstChanged,
  68             this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
  69     connect(view, &DolphinView::visibleRolesChanged,
  70             this, &DolphinViewActionHandler::slotVisibleRolesChanged);
  71     connect(view, &DolphinView::groupedSortingChanged,
  72             this, &DolphinViewActionHandler::slotGroupedSortingChanged);
  73     connect(view, &DolphinView::hiddenFilesShownChanged,
  74             this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
  75     connect(view, &DolphinView::sortRoleChanged,
  76             this, &DolphinViewActionHandler::slotSortRoleChanged);
  77     connect(view, &DolphinView::zoomLevelChanged,
  78             this, &DolphinViewActionHandler::slotZoomLevelChanged);
  79     connect(view, &DolphinView::writeStateChanged,
  80             this, &DolphinViewActionHandler::slotWriteStateChanged);
  81 }
  82
  83 DolphinView* DolphinViewActionHandler::currentView()
  84 {
  85     return m_currentView;
  86 }
  87
  88 void DolphinViewActionHandler::createActions()
  89 {
  90     // This action doesn't appear in the GUI, it's for the shortcut only.
  91     // KNewFileMenu takes care of the GUI stuff.
  92     QAction* newDirAction = m_actionCollection->addAction(QStringLiteral("create_dir"));
  93     newDirAction->setText(i18nc("@action", "Create Folder..."));
  94     m_actionCollection->setDefaultShortcut(newDirAction, Qt::Key_F10);
  95     newDirAction->setIcon(QIcon::fromTheme(QStringLiteral("folder-new")));
  96     newDirAction->setEnabled(false);    // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
  97     connect(newDirAction, &QAction::triggered, this, &DolphinViewActionHandler::createDirectoryTriggered);
  98
  99     // File menu
 100
 101     auto renameAction = KStandardAction::renameFile(this, &DolphinViewActionHandler::slotRename, m_actionCollection);
 102     renameAction->setWhatsThis(xi18nc("@info:whatsthis", "This renames the "
 103         "items in your current selection.<nl/>Renaming multiple items "
 104         "at once amounts to their new names differing only in a number."));
 105
 106     auto trashAction = KStandardAction::moveToTrash(this, &DolphinViewActionHandler::slotTrashActivated, m_actionCollection);
 107     auto trashShortcuts = trashAction->shortcuts();
 108     if (!trashShortcuts.contains(QKeySequence::Delete)) {
 109         trashShortcuts.append(QKeySequence::Delete);
 110         m_actionCollection->setDefaultShortcuts(trashAction, trashShortcuts);
 111     }
 112     trashAction->setWhatsThis(xi18nc("@info:whatsthis", "This moves the "
 113         "items in your current selection to the <filename>Trash"
 114         "</filename>.<nl/>The trash is a temporary storage where "
 115         "items can be deleted from if disk space is needed."));
 116
 117     auto deleteAction = KStandardAction::deleteFile(this, &DolphinViewActionHandler::slotDeleteItems, m_actionCollection);
 118     auto deleteShortcuts = deleteAction->shortcuts();
 119     if (!deleteShortcuts.contains(Qt::SHIFT | Qt::Key_Delete)) {
 120         deleteShortcuts.append(Qt::SHIFT | Qt::Key_Delete);
 121         m_actionCollection->setDefaultShortcuts(deleteAction, deleteShortcuts);
 122     }
 123     deleteAction->setWhatsThis(xi18nc("@info:whatsthis", "This deletes "
 124         "the items in your current selection completely. They can "
 125         "not be recovered by normal means."));
 126
 127     // This action is useful for being enabled when KStandardAction::MoveToTrash should be
 128     // disabled and KStandardAction::DeleteFile is enabled (e.g. non-local files), so that Key_Del
 129     // can be used for deleting the file (#76016). It needs to be a separate action
 130     // so that the Edit menu isn't affected.
 131     QAction* deleteWithTrashShortcut = m_actionCollection->addAction(QStringLiteral("delete_shortcut"));
 132     // The descriptive text is just for the shortcuts editor.
 133     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
 134     m_actionCollection->setDefaultShortcuts(deleteWithTrashShortcut, KStandardShortcut::moveToTrash());
 135     deleteWithTrashShortcut->setEnabled(false);
 136     connect(deleteWithTrashShortcut, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 137
 138     QAction* duplicateAction = m_actionCollection->addAction(QStringLiteral("duplicate"));
 139     duplicateAction->setText(i18nc("@action:inmenu File", "Duplicate Here"));
 140     duplicateAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-duplicate")));
 141     m_actionCollection->setDefaultShortcut(duplicateAction, Qt::CTRL | Qt::Key_D);
 142     duplicateAction->setEnabled(false);
 143     connect(duplicateAction, &QAction::triggered, this, &DolphinViewActionHandler::slotDuplicate);
 144
 145     QAction *propertiesAction = m_actionCollection->addAction( QStringLiteral("properties") );
 146     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 147     propertiesAction->setText( i18nc("@action:inmenu File", "Properties") );
 148     propertiesAction->setWhatsThis(xi18nc("@info:whatsthis properties",
 149         "This shows a complete list of properties of the currently "
 150         "selected items in a new window.<nl/>If nothing is selected the "
 151         "window will be about the currently viewed folder instead.<nl/>"
 152         "You can configure advanced options there like managing "
 153         "read- and write-permissions."));
 154     propertiesAction->setIcon(QIcon::fromTheme(QStringLiteral("document-properties")));
 155     m_actionCollection->setDefaultShortcuts(propertiesAction, {Qt::ALT + Qt::Key_Return, Qt::ALT + Qt::Key_Enter});
 156     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 157
 158     QAction *copyPathAction = m_actionCollection->addAction( QStringLiteral("copy_location") );
 159     copyPathAction->setText(i18nc("@action:incontextmenu", "Copy location"));
 160     copyPathAction->setWhatsThis(i18nc("@info:whatsthis copy_location",
 161                                           "This will copy the path of the first selected item into the clipboard."
 162                                 ));
 163
 164     copyPathAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy")));
 165     m_actionCollection->setDefaultShortcuts(copyPathAction, {Qt::CTRL + Qt::SHIFT + Qt::Key_C});
 166     connect(copyPathAction, &QAction::triggered, this, &DolphinViewActionHandler::slotCopyPath);
 167
 168
 169     // View menu
 170     KToggleAction* iconsAction = iconsModeAction();
 171     KToggleAction* compactAction = compactModeAction();
 172     KToggleAction* detailsAction = detailsModeAction();
 173
 174     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
 175         "<para>This switches to a view mode that focuses on the folder "
 176         "and file icons. This mode makes it easy to distinguish folders "
 177         "from files and to detect items with distinctive <emphasis>"
 178         "file types</emphasis>.</para><para> This mode is handy to "
 179         "browse through pictures when the <interface>Preview"
 180         "</interface> option is enabled.</para>"));
 181     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
 182         "<para>This switches to a compact view mode that lists the folders "
 183         "and files in columns with the names beside the icons.</para><para>"
 184         "This helps to keep the overview in folders with many items.</para>"));
 185     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
 186         "<para>This switches to a list view mode that focuses on folder "
 187         "and file details.</para><para>Click on a detail in the column "
 188         "header to sort the items by it. Click again to sort the other "
 189         "way around. To select which details should be displayed click "
 190         "the header with the right mouse button.</para><para>You can "
 191         "view the contents of a folder without leaving the current "
 192         "location by clicking to the left of it. This way you can view "
 193         "the contents of multiple folders in the same list.</para>"));
 194
 195     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
 196     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 197     viewModeActions->addAction(iconsAction);
 198     viewModeActions->addAction(compactAction);
 199     viewModeActions->addAction(detailsAction);
 200     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 201     connect(viewModeActions, QOverload<QAction*>::of(&KSelectAction::triggered), this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 202
 203     QAction* zoomInAction = KStandardAction::zoomIn(this,
 204                             &DolphinViewActionHandler::zoomIn,
 205                             m_actionCollection);
 206     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 207
 208     QAction* zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
 209     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
 210     zoomResetAction->setToolTip(i18n("Zoom To Default"));
 211     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
 212     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
 213     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL + Qt::Key_0});
 214     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 215
 216     QAction* zoomOutAction = KStandardAction::zoomOut(this,
 217                              &DolphinViewActionHandler::zoomOut,
 218                              m_actionCollection);
 219     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 220
 221     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 222     showPreview->setText(i18nc("@action:intoolbar", "Show Previews"));
 223     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 224     showPreview->setWhatsThis(xi18nc("@info:whatsthis", "When this is "
 225         "enabled, the icons are based on the actual file or folder "
 226         "contents.<nl/>For example the icons of images become scaled "
 227         "down versions of the images."));
 228     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 229     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 230
 231     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 232     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 233     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 234
 235     // View -> Sort By
 236     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 237
 238     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 239     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 240     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 241     sortByActionMenu->setDelayed(false);
 242
 243     foreach (QAction* action, sortByActionGroup->actions()) {
 244         sortByActionMenu->addAction(action);
 245     }
 246
 247     sortByActionMenu->addSeparator();
 248
 249     QActionGroup* group = new QActionGroup(sortByActionMenu);
 250     group->setExclusive(true);
 251
 252     KToggleAction* ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 253     ascendingAction->setActionGroup(group);
 254     connect(ascendingAction, &QAction::triggered, this, [this] {
 255         m_currentView->setSortOrder(Qt::AscendingOrder);
 256     });
 257
 258     KToggleAction* descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 259     descendingAction->setActionGroup(group);
 260     connect(descendingAction, &QAction::triggered, this, [this] {
 261         m_currentView->setSortOrder(Qt::DescendingOrder);
 262     });
 263
 264     sortByActionMenu->addAction(ascendingAction);
 265     sortByActionMenu->addAction(descendingAction);
 266     sortByActionMenu->addSeparator();
 267     sortByActionMenu->addAction(sortFoldersFirst);
 268
 269     // View -> Additional Information
 270     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 271
 272     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 273     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Show Additional Information"));
 274     visibleRolesMenu->setIcon(QIcon::fromTheme(QStringLiteral("documentinfo")));
 275     visibleRolesMenu->setDelayed(false);
 276
 277     foreach (QAction* action, visibleRolesGroup->actions()) {
 278         visibleRolesMenu->addAction(action);
 279     }
 280
 281     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 282     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 283     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 284     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 285     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 286
 287     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 288     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 289     showHiddenFiles->setToolTip(i18nc("@info", "Visibility of hidden files and folders"));
 290     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 291         "this is enabled <emphasis>hidden</emphasis> files and folders "
 292         "are visible. They will be displayed semi-transparent.</para>"
 293         "<para>Hidden items only differ from other ones in that their "
 294         "name starts with a \".\". In general there is no need for "
 295         "users to access them which is why they are hidden.</para>"));
 296     m_actionCollection->setDefaultShortcuts(showHiddenFiles, KStandardShortcut::showHideHiddenFiles());
 297     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 298
 299     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 300     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Display Style..."));
 301     adjustViewProps->setIcon(QIcon::fromTheme(QStringLiteral("view-choose")));
 302     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 303         "in which all folder view properties can be adjusted."));
 304     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 305 }
 306
 307 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 308 {
 309     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 310     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 311
 312     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 313     rolesActionGroup->setExclusive(isSortGroup);
 314     if (isSortGroup) {
 315         connect(rolesActionGroup, &QActionGroup::triggered,
 316                 this, &DolphinViewActionHandler::slotSortTriggered);
 317     } else {
 318         connect(rolesActionGroup, &QActionGroup::triggered,
 319                 this, &DolphinViewActionHandler::toggleVisibleRole);
 320     }
 321
 322     QString groupName;
 323     KActionMenu* groupMenu = nullptr;
 324     QActionGroup* groupMenuGroup = nullptr;
 325
 326     bool indexingEnabled = false;
 327 #ifdef HAVE_BALOO
 328     Baloo::IndexerConfig config;
 329     indexingEnabled = config.fileIndexingEnabled();
 330 #endif
 331
 332     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 333     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 334         if (!isSortGroup && info.role == "text") {
 335             // It should not be possible to hide the "text" role
 336             continue;
 337         }
 338
 339         KToggleAction* action = nullptr;
 340         const QString name = groupPrefix + info.role;
 341         if (info.group.isEmpty()) {
 342             action = m_actionCollection->add<KToggleAction>(name);
 343             action->setActionGroup(rolesActionGroup);
 344         } else {
 345             if (!groupMenu || info.group != groupName) {
 346                 groupName = info.group;
 347                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 348                 groupMenu->setText(groupName);
 349                 groupMenu->setActionGroup(rolesActionGroup);
 350
 351                 groupMenuGroup = new QActionGroup(groupMenu);
 352                 groupMenuGroup->setExclusive(isSortGroup);
 353                 if (isSortGroup) {
 354                     connect(groupMenuGroup, &QActionGroup::triggered,
 355                             this, &DolphinViewActionHandler::slotSortTriggered);
 356                 } else {
 357                     connect(groupMenuGroup, &QActionGroup::triggered,
 358                             this, &DolphinViewActionHandler::toggleVisibleRole);
 359                 }
 360             }
 361
 362             action = new KToggleAction(groupMenu);
 363             action->setActionGroup(groupMenuGroup);
 364             groupMenu->addAction(action);
 365         }
 366         action->setText(info.translation);
 367         action->setData(info.role);
 368
 369         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 370                             (info.requiresBaloo) ||
 371                             (info.requiresIndexer && indexingEnabled);
 372         action->setEnabled(enable);
 373
 374         if (isSortGroup) {
 375             m_sortByActions.insert(info.role, action);
 376         } else {
 377             m_visibleRoles.insert(info.role, action);
 378         }
 379     }
 380
 381     return rolesActionGroup;
 382 }
 383
 384 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 385 {
 386     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 387     m_currentView->setMode(mode);
 388
 389     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 390     viewModeMenu->setIcon(action->icon());
 391 }
 392
 393 void DolphinViewActionHandler::slotRename()
 394 {
 395     emit actionBeingHandled();
 396     m_currentView->renameSelectedItems();
 397 }
 398
 399 void DolphinViewActionHandler::slotTrashActivated()
 400 {
 401     emit actionBeingHandled();
 402     m_currentView->trashSelectedItems();
 403 }
 404
 405 void DolphinViewActionHandler::slotDeleteItems()
 406 {
 407     emit actionBeingHandled();
 408     m_currentView->deleteSelectedItems();
 409 }
 410
 411 void DolphinViewActionHandler::togglePreview(bool show)
 412 {
 413     emit actionBeingHandled();
 414     m_currentView->setPreviewsShown(show);
 415 }
 416
 417 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 418 {
 419     Q_UNUSED(shown)
 420     // It is not enough to update the 'Show Preview' action, also
 421     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
 422     updateViewActions();
 423 }
 424
 425 QString DolphinViewActionHandler::currentViewModeActionName() const
 426 {
 427     switch (m_currentView->mode()) {
 428     case DolphinView::IconsView:
 429         return QStringLiteral("icons");
 430     case DolphinView::DetailsView:
 431         return QStringLiteral("details");
 432     case DolphinView::CompactView:
 433         return QStringLiteral("compact");
 434     default:
 435         Q_ASSERT(false);
 436         break;
 437     }
 438     return QString(); // can't happen
 439 }
 440
 441 KActionCollection* DolphinViewActionHandler::actionCollection()
 442 {
 443     return m_actionCollection;
 444 }
 445
 446 void DolphinViewActionHandler::updateViewActions()
 447 {
 448     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 449     if (viewModeAction) {
 450         viewModeAction->setChecked(true);
 451
 452         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 453         viewModeMenu->setIcon(viewModeAction->icon());
 454     }
 455
 456     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 457     showPreviewAction->setChecked(m_currentView->previewsShown());
 458
 459     slotSortOrderChanged(m_currentView->sortOrder());
 460     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 461     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 462     slotGroupedSortingChanged(m_currentView->groupedSorting());
 463     slotSortRoleChanged(m_currentView->sortRole());
 464     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 465
 466     // Updates the "show_hidden_files" action state and icon
 467     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 468 }
 469
 470 void DolphinViewActionHandler::zoomIn()
 471 {
 472     const int level = m_currentView->zoomLevel();
 473     m_currentView->setZoomLevel(level + 1);
 474     updateViewActions();
 475 }
 476
 477 void DolphinViewActionHandler::zoomOut()
 478 {
 479     const int level = m_currentView->zoomLevel();
 480     m_currentView->setZoomLevel(level - 1);
 481     updateViewActions();
 482 }
 483
 484 void DolphinViewActionHandler::zoomReset()
 485 {
 486     m_currentView->resetZoomLevel();
 487     updateViewActions();
 488 }
 489
 490 void DolphinViewActionHandler::toggleSortFoldersFirst()
 491 {
 492     const bool sortFirst = m_currentView->sortFoldersFirst();
 493     m_currentView->setSortFoldersFirst(!sortFirst);
 494 }
 495
 496 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 497 {
 498     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 499     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 500     const bool sortDescending = (order == Qt::DescendingOrder);
 501     descending->setChecked(sortDescending);
 502     ascending->setChecked(!sortDescending);
 503 }
 504
 505 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 506 {
 507     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 508 }
 509
 510 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 511 {
 512     emit actionBeingHandled();
 513
 514     const QByteArray toggledRole = action->data().toByteArray();
 515
 516     QList<QByteArray> roles = m_currentView->visibleRoles();
 517
 518     const bool show = action->isChecked();
 519
 520     const int index = roles.indexOf(toggledRole);
 521     const bool containsInfo = (index >= 0);
 522     if (show && !containsInfo) {
 523         roles.append(toggledRole);
 524         m_currentView->setVisibleRoles(roles);
 525     } else if (!show && containsInfo) {
 526         roles.removeAt(index);
 527         m_currentView->setVisibleRoles(roles);
 528         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 529     }
 530 }
 531
 532 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 533                                                        const QList<QByteArray>& previous)
 534 {
 535     Q_UNUSED(previous)
 536
 537     const QSet<QByteArray> checkedRoles = current.toSet();
 538     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 539     while (it.hasNext()) {
 540         it.next();
 541         const QByteArray& role = it.key();
 542         KToggleAction* action = it.value();
 543         action->setChecked(checkedRoles.contains(role));
 544     }
 545 }
 546
 547 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 548 {
 549     m_currentView->setGroupedSorting(grouped);
 550 }
 551
 552 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 553 {
 554     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 555     showInGroupsAction->setChecked(groupedSorting);
 556 }
 557
 558 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 559 {
 560     emit actionBeingHandled();
 561     m_currentView->setHiddenFilesShown(show);
 562 }
 563
 564 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 565 {
 566     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 567     showHiddenFilesAction->setChecked(shown);
 568
 569     // #374508: don't overwrite custom icons.
 570     const QString iconName = showHiddenFilesAction->icon().name();
 571     if (!iconName.isEmpty() && iconName != QLatin1String("view-visible") && iconName != QLatin1String("view-hidden")) {
 572         return;
 573     }
 574
 575     showHiddenFilesAction->setIcon(QIcon::fromTheme(shown ? QStringLiteral("view-visible") : QStringLiteral("view-hidden")));
 576 }
 577
 578 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 579 {
 580     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 581                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 582 }
 583
 584 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 585 {
 586     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 587     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 588     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 589     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_1);
 590     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 591     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 592     return iconsView;
 593 }
 594
 595 KToggleAction* DolphinViewActionHandler::compactModeAction()
 596 {
 597     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 598     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 599     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 600     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_2);
 601     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 602     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 603     return iconsView;
 604 }
 605
 606 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 607 {
 608     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 609     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 610     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 611     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL + Qt::Key_3);
 612     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 613     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 614     return detailsView;
 615 }
 616
 617 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 618 {
 619     KToggleAction* action = m_sortByActions.value(role);
 620     if (action) {
 621         action->setChecked(true);
 622
 623         if (!action->icon().isNull()) {
 624             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 625             sortByMenu->setIcon(action->icon());
 626         }
 627     }
 628
 629     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 630     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 631
 632     if (role == "text" || role == "type" || role == "tags" || role == "comment") {
 633         descending->setText(i18nc("Sort descending", "Z-A"));
 634         ascending->setText(i18nc("Sort ascending", "A-Z"));
 635     } else if (role == "size") {
 636         descending->setText(i18nc("Sort descending", "Largest first"));
 637         ascending->setText(i18nc("Sort ascending", "Smallest first"));
 638     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 639         descending->setText(i18nc("Sort descending", "Newest first"));
 640         ascending->setText(i18nc("Sort ascending", "Oldest first"));
 641     } else if (role == "rating") {
 642         descending->setText(i18nc("Sort descending", "Highest first"));
 643         ascending->setText(i18nc("Sort ascending", "Lowest first"));
 644     } else {
 645         descending->setText(i18nc("Sort descending", "Descending"));
 646         ascending->setText(i18nc("Sort ascending", "Ascending"));
 647     }
 648
 649     slotSortOrderChanged(m_currentView->sortOrder());
 650 }
 651
 652 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 653 {
 654     Q_UNUSED(previous)
 655
 656     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 657     if (zoomInAction) {
 658         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 659     }
 660
 661     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 662     if (zoomOutAction) {
 663         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 664     }
 665 }
 666
 667 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 668 {
 669     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 670     // and several sub-menus. Because of this they don't have a common
 671     // action-group that assures an exclusive toggle-state between the main-menu
 672     // actions and the sub-menu-actions. If an action gets checked, it must
 673     // be assured that all other actions get unchecked, except the ascending/
 674     // descending actions
 675     for (QAction *groupAction : qAsConst(m_sortByActions)) {
 676         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 677         if (actionMenu) {
 678             foreach (QAction* subAction, actionMenu->menu()->actions()) {
 679                 subAction->setChecked(false);
 680             }
 681         } else if (groupAction->actionGroup()) {
 682             groupAction->setChecked(false);
 683         }
 684     }
 685     action->setChecked(true);
 686
 687     // Apply the activated sort-role to the view
 688     const QByteArray role = action->data().toByteArray();
 689     m_currentView->setSortRole(role);
 690 }
 691
 692 void DolphinViewActionHandler::slotAdjustViewProperties()
 693 {
 694     emit actionBeingHandled();
 695     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 696     dialog->exec();
 697     delete dialog;
 698 }
 699
 700 void DolphinViewActionHandler::slotDuplicate()
 701 {
 702     emit actionBeingHandled();
 703     m_currentView->duplicateSelectedItems();
 704 }
 705
 706 void DolphinViewActionHandler::slotProperties()
 707 {
 708     KPropertiesDialog* dialog = nullptr;
 709     const KFileItemList list = m_currentView->selectedItems();
 710     if (list.isEmpty()) {
 711         const QUrl url = m_currentView->url();
 712         dialog = new KPropertiesDialog(url, m_currentView);
 713     } else {
 714         dialog = new KPropertiesDialog(list, m_currentView);
 715     }
 716
 717     dialog->setAttribute(Qt::WA_DeleteOnClose);
 718     dialog->show();
 719     dialog->raise();
 720     dialog->activateWindow();
 721 }
 722
 723 void DolphinViewActionHandler::slotCopyPath()
 724 {
 725     m_currentView->copyPathToClipboard();
 726 }