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