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
  38 #include <QMenu>
  39 #include <QPointer>
  40
  41 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, QObject* parent) :
  42     QObject(parent),
  43     m_actionCollection(collection),
  44     m_currentView(nullptr),
  45     m_sortByActions(),
  46     m_visibleRoles()
  47 {
  48     Q_ASSERT(m_actionCollection);
  49     createActions();
  50 }
  51
  52 void DolphinViewActionHandler::setCurrentView(DolphinView* view)
  53 {
  54     Q_ASSERT(view);
  55
  56     if (m_currentView) {
  57         disconnect(m_currentView, nullptr, this, nullptr);
  58     }
  59
  60     m_currentView = view;
  61
  62     connect(view, &DolphinView::modeChanged,
  63             this, &DolphinViewActionHandler::updateViewActions);
  64     connect(view, &DolphinView::previewsShownChanged,
  65             this, &DolphinViewActionHandler::slotPreviewsShownChanged);
  66     connect(view, &DolphinView::sortOrderChanged,
  67             this, &DolphinViewActionHandler::slotSortOrderChanged);
  68     connect(view, &DolphinView::sortFoldersFirstChanged,
  69             this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
  70     connect(view, &DolphinView::visibleRolesChanged,
  71             this, &DolphinViewActionHandler::slotVisibleRolesChanged);
  72     connect(view, &DolphinView::groupedSortingChanged,
  73             this, &DolphinViewActionHandler::slotGroupedSortingChanged);
  74     connect(view, &DolphinView::hiddenFilesShownChanged,
  75             this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
  76     connect(view, &DolphinView::sortRoleChanged,
  77             this, &DolphinViewActionHandler::slotSortRoleChanged);
  78     connect(view, &DolphinView::zoomLevelChanged,
  79             this, &DolphinViewActionHandler::slotZoomLevelChanged);
  80     connect(view, &DolphinView::writeStateChanged,
  81             this, &DolphinViewActionHandler::slotWriteStateChanged);
  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->setDefaultShortcut(newDirAction, Qt::Key_F10);
  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     // View menu
 160     KToggleAction* iconsAction = iconsModeAction();
 161     KToggleAction* compactAction = compactModeAction();
 162     KToggleAction* detailsAction = detailsModeAction();
 163
 164     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
 165         "<para>This switches to a view mode that focuses on the folder "
 166         "and file icons. This mode makes it easy to distinguish folders "
 167         "from files and to detect items with distinctive <emphasis>"
 168         "file types</emphasis>.</para><para> This mode is handy to "
 169         "browse through pictures when the <interface>Preview"
 170         "</interface> option is enabled.</para>"));
 171     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
 172         "<para>This switches to a compact view mode that lists the folders "
 173         "and files in columns with the names beside the icons.</para><para>"
 174         "This helps to keep the overview in folders with many items.</para>"));
 175     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
 176         "<para>This switches to a list view mode that focuses on folder "
 177         "and file details.</para><para>Click on a detail in the column "
 178         "header to sort the items by it. Click again to sort the other "
 179         "way around. To select which details should be displayed click "
 180         "the header with the right mouse button.</para><para>You can "
 181         "view the contents of a folder without leaving the current "
 182         "location by clicking to the left of it. This way you can view "
 183         "the contents of multiple folders in the same list.</para>"));
 184
 185     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
 186     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 187     viewModeActions->addAction(iconsAction);
 188     viewModeActions->addAction(compactAction);
 189     viewModeActions->addAction(detailsAction);
 190     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 191     connect(viewModeActions, QOverload<QAction*>::of(&KSelectAction::triggered), this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 192
 193     QAction* zoomInAction = KStandardAction::zoomIn(this,
 194                             &DolphinViewActionHandler::zoomIn,
 195                             m_actionCollection);
 196     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 197
 198     QAction* zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
 199     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
 200     zoomResetAction->setToolTip(i18n("Zoom To Default"));
 201     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
 202     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
 203     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL + Qt::Key_0});
 204     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 205
 206     QAction* zoomOutAction = KStandardAction::zoomOut(this,
 207                              &DolphinViewActionHandler::zoomOut,
 208                              m_actionCollection);
 209     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 210
 211     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 212     showPreview->setText(i18nc("@action:intoolbar", "Show Previews"));
 213     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 214     showPreview->setWhatsThis(xi18nc("@info:whatsthis", "When this is "
 215         "enabled, the icons are based on the actual file or folder "
 216         "contents.<nl/>For example the icons of images become scaled "
 217         "down versions of the images."));
 218     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 219     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 220
 221     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 222     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 223     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 224
 225     // View -> Sort By
 226     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 227
 228     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 229     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 230     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 231     sortByActionMenu->setDelayed(false);
 232
 233     foreach (QAction* action, sortByActionGroup->actions()) {
 234         sortByActionMenu->addAction(action);
 235     }
 236
 237     sortByActionMenu->addSeparator();
 238
 239     QActionGroup* group = new QActionGroup(sortByActionMenu);
 240     group->setExclusive(true);
 241
 242     KToggleAction* ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 243     ascendingAction->setActionGroup(group);
 244     connect(ascendingAction, &QAction::triggered, this, [this] {
 245         m_currentView->setSortOrder(Qt::AscendingOrder);
 246     });
 247
 248     KToggleAction* descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 249     descendingAction->setActionGroup(group);
 250     connect(descendingAction, &QAction::triggered, this, [this] {
 251         m_currentView->setSortOrder(Qt::DescendingOrder);
 252     });
 253
 254     sortByActionMenu->addAction(ascendingAction);
 255     sortByActionMenu->addAction(descendingAction);
 256     sortByActionMenu->addSeparator();
 257     sortByActionMenu->addAction(sortFoldersFirst);
 258
 259     // View -> Additional Information
 260     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 261
 262     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 263     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Show Additional Information"));
 264     visibleRolesMenu->setIcon(QIcon::fromTheme(QStringLiteral("documentinfo")));
 265     visibleRolesMenu->setDelayed(false);
 266
 267     foreach (QAction* action, visibleRolesGroup->actions()) {
 268         visibleRolesMenu->addAction(action);
 269     }
 270
 271     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 272     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 273     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 274     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 275     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 276
 277     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 278     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 279     showHiddenFiles->setToolTip(i18nc("@info", "Visibility of hidden files and folders"));
 280     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 281         "this is enabled <emphasis>hidden</emphasis> files and folders "
 282         "are visible. They will be displayed semi-transparent.</para>"
 283         "<para>Hidden items only differ from other ones in that their "
 284         "name starts with a \".\". In general there is no need for "
 285         "users to access them which is why they are hidden.</para>"));
 286     m_actionCollection->setDefaultShortcuts(showHiddenFiles, KStandardShortcut::showHideHiddenFiles());
 287     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 288
 289     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 290     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Display Style..."));
 291     adjustViewProps->setIcon(QIcon::fromTheme(QStringLiteral("view-choose")));
 292     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 293         "in which all folder view properties can be adjusted."));
 294     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 295 }
 296
 297 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 298 {
 299     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 300     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 301
 302     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 303     rolesActionGroup->setExclusive(isSortGroup);
 304     if (isSortGroup) {
 305         connect(rolesActionGroup, &QActionGroup::triggered,
 306                 this, &DolphinViewActionHandler::slotSortTriggered);
 307     } else {
 308         connect(rolesActionGroup, &QActionGroup::triggered,
 309                 this, &DolphinViewActionHandler::toggleVisibleRole);
 310     }
 311
 312     QString groupName;
 313     KActionMenu* groupMenu = nullptr;
 314     QActionGroup* groupMenuGroup = nullptr;
 315
 316     bool indexingEnabled = false;
 317 #ifdef HAVE_BALOO
 318     Baloo::IndexerConfig config;
 319     indexingEnabled = config.fileIndexingEnabled();
 320 #endif
 321
 322     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 323     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 324         if (!isSortGroup && info.role == "text") {
 325             // It should not be possible to hide the "text" role
 326             continue;
 327         }
 328
 329         KToggleAction* action = nullptr;
 330         const QString name = groupPrefix + info.role;
 331         if (info.group.isEmpty()) {
 332             action = m_actionCollection->add<KToggleAction>(name);
 333             action->setActionGroup(rolesActionGroup);
 334         } else {
 335             if (!groupMenu || info.group != groupName) {
 336                 groupName = info.group;
 337                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 338                 groupMenu->setText(groupName);
 339                 groupMenu->setActionGroup(rolesActionGroup);
 340
 341                 groupMenuGroup = new QActionGroup(groupMenu);
 342                 groupMenuGroup->setExclusive(isSortGroup);
 343                 if (isSortGroup) {
 344                     connect(groupMenuGroup, &QActionGroup::triggered,
 345                             this, &DolphinViewActionHandler::slotSortTriggered);
 346                 } else {
 347                     connect(groupMenuGroup, &QActionGroup::triggered,
 348                             this, &DolphinViewActionHandler::toggleVisibleRole);
 349                 }
 350             }
 351
 352             action = new KToggleAction(groupMenu);
 353             action->setActionGroup(groupMenuGroup);
 354             groupMenu->addAction(action);
 355         }
 356         action->setText(info.translation);
 357         action->setData(info.role);
 358
 359         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 360                             (info.requiresBaloo) ||
 361                             (info.requiresIndexer && indexingEnabled);
 362         action->setEnabled(enable);
 363
 364         if (isSortGroup) {
 365             m_sortByActions.insert(info.role, action);
 366         } else {
 367             m_visibleRoles.insert(info.role, action);
 368         }
 369     }
 370
 371     return rolesActionGroup;
 372 }
 373
 374 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 375 {
 376     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 377     m_currentView->setMode(mode);
 378
 379     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 380     viewModeMenu->setIcon(action->icon());
 381 }
 382
 383 void DolphinViewActionHandler::slotRename()
 384 {
 385     emit actionBeingHandled();
 386     m_currentView->renameSelectedItems();
 387 }
 388
 389 void DolphinViewActionHandler::slotTrashActivated()
 390 {
 391     emit actionBeingHandled();
 392     m_currentView->trashSelectedItems();
 393 }
 394
 395 void DolphinViewActionHandler::slotDeleteItems()
 396 {
 397     emit actionBeingHandled();
 398     m_currentView->deleteSelectedItems();
 399 }
 400
 401 void DolphinViewActionHandler::togglePreview(bool show)
 402 {
 403     emit actionBeingHandled();
 404     m_currentView->setPreviewsShown(show);
 405 }
 406
 407 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 408 {
 409     Q_UNUSED(shown)
 410     // It is not enough to update the 'Show Preview' action, also
 411     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
 412     updateViewActions();
 413 }
 414
 415 QString DolphinViewActionHandler::currentViewModeActionName() const
 416 {
 417     switch (m_currentView->mode()) {
 418     case DolphinView::IconsView:
 419         return QStringLiteral("icons");
 420     case DolphinView::DetailsView:
 421         return QStringLiteral("details");
 422     case DolphinView::CompactView:
 423         return QStringLiteral("compact");
 424     default:
 425         Q_ASSERT(false);
 426         break;
 427     }
 428     return QString(); // can't happen
 429 }
 430
 431 KActionCollection* DolphinViewActionHandler::actionCollection()
 432 {
 433     return m_actionCollection;
 434 }
 435
 436 void DolphinViewActionHandler::updateViewActions()
 437 {
 438     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 439     if (viewModeAction) {
 440         viewModeAction->setChecked(true);
 441
 442         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 443         viewModeMenu->setIcon(viewModeAction->icon());
 444     }
 445
 446     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 447     showPreviewAction->setChecked(m_currentView->previewsShown());
 448
 449     slotSortOrderChanged(m_currentView->sortOrder());
 450     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 451     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 452     slotGroupedSortingChanged(m_currentView->groupedSorting());
 453     slotSortRoleChanged(m_currentView->sortRole());
 454     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 455
 456     // Updates the "show_hidden_files" action state and icon
 457     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 458 }
 459
 460 void DolphinViewActionHandler::zoomIn()
 461 {
 462     const int level = m_currentView->zoomLevel();
 463     m_currentView->setZoomLevel(level + 1);
 464     updateViewActions();
 465 }
 466
 467 void DolphinViewActionHandler::zoomOut()
 468 {
 469     const int level = m_currentView->zoomLevel();
 470     m_currentView->setZoomLevel(level - 1);
 471     updateViewActions();
 472 }
 473
 474 void DolphinViewActionHandler::zoomReset()
 475 {
 476     m_currentView->resetZoomLevel();
 477     updateViewActions();
 478 }
 479
 480 void DolphinViewActionHandler::toggleSortFoldersFirst()
 481 {
 482     const bool sortFirst = m_currentView->sortFoldersFirst();
 483     m_currentView->setSortFoldersFirst(!sortFirst);
 484 }
 485
 486 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 487 {
 488     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 489     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 490     const bool sortDescending = (order == Qt::DescendingOrder);
 491     descending->setChecked(sortDescending);
 492     ascending->setChecked(!sortDescending);
 493 }
 494
 495 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 496 {
 497     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 498 }
 499
 500 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 501 {
 502     emit actionBeingHandled();
 503
 504     const QByteArray toggledRole = action->data().toByteArray();
 505
 506     QList<QByteArray> roles = m_currentView->visibleRoles();
 507
 508     const bool show = action->isChecked();
 509
 510     const int index = roles.indexOf(toggledRole);
 511     const bool containsInfo = (index >= 0);
 512     if (show && !containsInfo) {
 513         roles.append(toggledRole);
 514         m_currentView->setVisibleRoles(roles);
 515     } else if (!show && containsInfo) {
 516         roles.removeAt(index);
 517         m_currentView->setVisibleRoles(roles);
 518         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 519     }
 520 }
 521
 522 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 523                                                        const QList<QByteArray>& previous)
 524 {
 525     Q_UNUSED(previous)
 526
 527     const QSet<QByteArray> checkedRoles = current.toSet();
 528     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 529     while (it.hasNext()) {
 530         it.next();
 531         const QByteArray& role = it.key();
 532         KToggleAction* action = it.value();
 533         action->setChecked(checkedRoles.contains(role));
 534     }
 535 }
 536
 537 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 538 {
 539     m_currentView->setGroupedSorting(grouped);
 540 }
 541
 542 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 543 {
 544     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 545     showInGroupsAction->setChecked(groupedSorting);
 546 }
 547
 548 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 549 {
 550     emit actionBeingHandled();
 551     m_currentView->setHiddenFilesShown(show);
 552 }
 553
 554 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 555 {
 556     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 557     showHiddenFilesAction->setChecked(shown);
 558
 559     // #374508: don't overwrite custom icons.
 560     const QString iconName = showHiddenFilesAction->icon().name();
 561     if (!iconName.isEmpty() && iconName != QLatin1String("view-visible") && iconName != QLatin1String("view-hidden")) {
 562         return;
 563     }
 564
 565     showHiddenFilesAction->setIcon(QIcon::fromTheme(shown ? QStringLiteral("view-visible") : QStringLiteral("view-hidden")));
 566 }
 567
 568 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 569 {
 570     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 571                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 572 }
 573
 574 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 575 {
 576     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 577     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 578     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 579     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_1);
 580     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 581     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 582     return iconsView;
 583 }
 584
 585 KToggleAction* DolphinViewActionHandler::compactModeAction()
 586 {
 587     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 588     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 589     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 590     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_2);
 591     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 592     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 593     return iconsView;
 594 }
 595
 596 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 597 {
 598     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 599     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 600     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 601     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL + Qt::Key_3);
 602     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 603     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 604     return detailsView;
 605 }
 606
 607 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 608 {
 609     KToggleAction* action = m_sortByActions.value(role);
 610     if (action) {
 611         action->setChecked(true);
 612
 613         if (!action->icon().isNull()) {
 614             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 615             sortByMenu->setIcon(action->icon());
 616         }
 617     }
 618
 619     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 620     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 621
 622     if (role == "text" || role == "type" || role == "tags" || role == "comment") {
 623         descending->setText(i18nc("Sort descending", "Z-A"));
 624         ascending->setText(i18nc("Sort ascending", "A-Z"));
 625     } else if (role == "size") {
 626         descending->setText(i18nc("Sort descending", "Largest first"));
 627         ascending->setText(i18nc("Sort ascending", "Smallest first"));
 628     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 629         descending->setText(i18nc("Sort descending", "Newest first"));
 630         ascending->setText(i18nc("Sort ascending", "Oldest first"));
 631     } else if (role == "rating") {
 632         descending->setText(i18nc("Sort descending", "Highest first"));
 633         ascending->setText(i18nc("Sort ascending", "Lowest first"));
 634     } else {
 635         descending->setText(i18nc("Sort descending", "Descending"));
 636         ascending->setText(i18nc("Sort ascending", "Ascending"));
 637     }
 638
 639     slotSortOrderChanged(m_currentView->sortOrder());
 640 }
 641
 642 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 643 {
 644     Q_UNUSED(previous)
 645
 646     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 647     if (zoomInAction) {
 648         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 649     }
 650
 651     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 652     if (zoomOutAction) {
 653         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 654     }
 655 }
 656
 657 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 658 {
 659     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 660     // and several sub-menus. Because of this they don't have a common
 661     // action-group that assures an exclusive toggle-state between the main-menu
 662     // actions and the sub-menu-actions. If an action gets checked, it must
 663     // be assured that all other actions get unchecked, except the ascending/
 664     // descending actions
 665     for (QAction *groupAction : qAsConst(m_sortByActions)) {
 666         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 667         if (actionMenu) {
 668             foreach (QAction* subAction, actionMenu->menu()->actions()) {
 669                 subAction->setChecked(false);
 670             }
 671         } else if (groupAction->actionGroup()) {
 672             groupAction->setChecked(false);
 673         }
 674     }
 675     action->setChecked(true);
 676
 677     // Apply the activated sort-role to the view
 678     const QByteArray role = action->data().toByteArray();
 679     m_currentView->setSortRole(role);
 680 }
 681
 682 void DolphinViewActionHandler::slotAdjustViewProperties()
 683 {
 684     emit actionBeingHandled();
 685     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 686     dialog->exec();
 687     delete dialog;
 688 }
 689
 690 void DolphinViewActionHandler::slotDuplicate()
 691 {
 692     emit actionBeingHandled();
 693     m_currentView->duplicateSelectedItems();
 694 }
 695
 696 void DolphinViewActionHandler::slotProperties()
 697 {
 698     KPropertiesDialog* dialog = nullptr;
 699     const KFileItemList list = m_currentView->selectedItems();
 700     if (list.isEmpty()) {
 701         const QUrl url = m_currentView->url();
 702         dialog = new KPropertiesDialog(url, m_currentView);
 703     } else {
 704         dialog = new KPropertiesDialog(list, m_currentView);
 705     }
 706
 707     dialog->setAttribute(Qt::WA_DeleteOnClose);
 708     dialog->show();
 709     dialog->raise();
 710     dialog->activateWindow();
 711 }