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 *propertiesAction = m_actionCollection->addAction( QStringLiteral("properties") );
 140     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 141     propertiesAction->setText( i18nc("@action:inmenu File", "Properties") );
 142     propertiesAction->setWhatsThis(xi18nc("@info:whatsthis properties",
 143         "This shows a complete list of properties of the currently "
 144         "selected items in a new window.<nl/>If nothing is selected the "
 145         "window will be about the currently viewed folder instead.<nl/>"
 146         "You can configure advanced options there like managing "
 147         "read- and write-permissions."));
 148     propertiesAction->setIcon(QIcon::fromTheme(QStringLiteral("document-properties")));
 149     m_actionCollection->setDefaultShortcuts(propertiesAction, {Qt::ALT + Qt::Key_Return, Qt::ALT + Qt::Key_Enter});
 150     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 151
 152     // View menu
 153     KToggleAction* iconsAction = iconsModeAction();
 154     KToggleAction* compactAction = compactModeAction();
 155     KToggleAction* detailsAction = detailsModeAction();
 156
 157     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
 158         "<para>This switches to a view mode that focuses on the folder "
 159         "and file icons. This mode makes it easy to distinguish folders "
 160         "from files and to detect items with distinctive <emphasis>"
 161         "file types</emphasis>.</para><para> This mode is handy to "
 162         "browse through pictures when the <interface>Preview"
 163         "</interface> option is enabled.</para>"));
 164     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
 165         "<para>This switches to a compact view mode that lists the folders "
 166         "and files in columns with the names beside the icons. <para></para>"
 167         "This helps to keep the overview in folders with many items.</para>"));
 168     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
 169         "<para>This switches to a list view mode that focuses on folder "
 170         "and file details.</para><para>Click on a detail in the column "
 171         "header to sort the items by it. Click again to sort the other "
 172         "way around. To select which details should be displayed click "
 173         "the header with the right mouse button.</para><para>You can "
 174         "view the contents of a folder without leaving the current "
 175         "location by clicking to the left of it. This way you can view "
 176         "the contents of multiple folders in the same list.</para>"));
 177
 178     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
 179     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 180     viewModeActions->addAction(iconsAction);
 181     viewModeActions->addAction(compactAction);
 182     viewModeActions->addAction(detailsAction);
 183     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 184     connect(viewModeActions, QOverload<QAction*>::of(&KSelectAction::triggered), this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 185
 186     QAction* zoomInAction = KStandardAction::zoomIn(this,
 187                             &DolphinViewActionHandler::zoomIn,
 188                             m_actionCollection);
 189     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 190
 191     QAction* zoomOutAction = KStandardAction::zoomOut(this,
 192                              &DolphinViewActionHandler::zoomOut,
 193                              m_actionCollection);
 194     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This reduces the icon size."));
 195
 196     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 197     showPreview->setText(i18nc("@action:intoolbar", "Preview"));
 198     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 199     showPreview->setWhatsThis(xi18nc("@info:whatsthis", "When this is "
 200         "enabled, the icons are based on the actual file or folder "
 201         "contents.<nl/>For example the icons of images become scaled "
 202         "down versions of the images."));
 203     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 204     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 205
 206     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 207     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 208     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 209
 210     // View -> Sort By
 211     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 212
 213     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 214     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 215     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 216     sortByActionMenu->setDelayed(false);
 217
 218     foreach (QAction* action, sortByActionGroup->actions()) {
 219         sortByActionMenu->addAction(action);
 220     }
 221
 222     sortByActionMenu->addSeparator();
 223
 224     QActionGroup* group = new QActionGroup(sortByActionMenu);
 225     group->setExclusive(true);
 226
 227     KToggleAction* ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 228     ascendingAction->setActionGroup(group);
 229     connect(ascendingAction, &QAction::triggered, this, [this] {
 230         m_currentView->setSortOrder(Qt::AscendingOrder);
 231     });
 232
 233     KToggleAction* descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 234     descendingAction->setActionGroup(group);
 235     connect(descendingAction, &QAction::triggered, this, [this] {
 236         m_currentView->setSortOrder(Qt::DescendingOrder);
 237     });
 238
 239     sortByActionMenu->addAction(ascendingAction);
 240     sortByActionMenu->addAction(descendingAction);
 241     sortByActionMenu->addSeparator();
 242     sortByActionMenu->addAction(sortFoldersFirst);
 243
 244     // View -> Additional Information
 245     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 246
 247     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 248     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Additional Information"));
 249     visibleRolesMenu->setDelayed(false);
 250
 251     foreach (QAction* action, visibleRolesGroup->actions()) {
 252         visibleRolesMenu->addAction(action);
 253     }
 254
 255     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 256     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 257     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 258     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 259     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 260
 261     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 262     showHiddenFiles->setText(i18nc("@action:inmenu View", "Hidden Files"));
 263     showHiddenFiles->setToolTip(i18nc("@info", "Visibility of hidden files and folders"));
 264     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 265         "this is enabled <emphasis>hidden</emphasis> files and folders "
 266         "are visible. They will be displayed semi-transparent.</para>"
 267         "<para>Hidden items only differ from other ones in that their "
 268         "name starts with a \".\". In general there is no need for "
 269         "users to access them which is why they are hidden.</para>"));
 270     m_actionCollection->setDefaultShortcuts(showHiddenFiles, {Qt::ALT + Qt::Key_Period, Qt::CTRL + Qt::Key_H, Qt::Key_F8});
 271     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 272
 273     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 274     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Properties..."));
 275     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 276         "in which all folder view properties can be adjusted."));
 277     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 278 }
 279
 280 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 281 {
 282     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 283     Q_ASSERT(isSortGroup || (!isSortGroup && groupPrefix == QLatin1String("show_")));
 284
 285     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 286     rolesActionGroup->setExclusive(isSortGroup);
 287     if (isSortGroup) {
 288         connect(rolesActionGroup, &QActionGroup::triggered,
 289                 this, &DolphinViewActionHandler::slotSortTriggered);
 290     } else {
 291         connect(rolesActionGroup, &QActionGroup::triggered,
 292                 this, &DolphinViewActionHandler::toggleVisibleRole);
 293     }
 294
 295     QString groupName;
 296     KActionMenu* groupMenu = nullptr;
 297     QActionGroup* groupMenuGroup = nullptr;
 298
 299     bool indexingEnabled = false;
 300 #ifdef HAVE_BALOO
 301     Baloo::IndexerConfig config;
 302     indexingEnabled = config.fileIndexingEnabled();
 303 #endif
 304
 305     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 306     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 307         if (!isSortGroup && info.role == "text") {
 308             // It should not be possible to hide the "text" role
 309             continue;
 310         }
 311
 312         KToggleAction* action = nullptr;
 313         const QString name = groupPrefix + info.role;
 314         if (info.group.isEmpty()) {
 315             action = m_actionCollection->add<KToggleAction>(name);
 316             action->setActionGroup(rolesActionGroup);
 317         } else {
 318             if (!groupMenu || info.group != groupName) {
 319                 groupName = info.group;
 320                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 321                 groupMenu->setText(groupName);
 322                 groupMenu->setActionGroup(rolesActionGroup);
 323
 324                 groupMenuGroup = new QActionGroup(groupMenu);
 325                 groupMenuGroup->setExclusive(isSortGroup);
 326                 if (isSortGroup) {
 327                     connect(groupMenuGroup, &QActionGroup::triggered,
 328                             this, &DolphinViewActionHandler::slotSortTriggered);
 329                 } else {
 330                     connect(groupMenuGroup, &QActionGroup::triggered,
 331                             this, &DolphinViewActionHandler::toggleVisibleRole);
 332                 }
 333             }
 334
 335             action = new KToggleAction(groupMenu);
 336             action->setActionGroup(groupMenuGroup);
 337             groupMenu->addAction(action);
 338         }
 339         action->setText(info.translation);
 340         action->setData(info.role);
 341
 342         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 343                             (info.requiresBaloo) ||
 344                             (info.requiresIndexer && indexingEnabled);
 345         action->setEnabled(enable);
 346
 347         if (isSortGroup) {
 348             m_sortByActions.insert(info.role, action);
 349         } else {
 350             m_visibleRoles.insert(info.role, action);
 351         }
 352     }
 353
 354     return rolesActionGroup;
 355 }
 356
 357 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 358 {
 359     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 360     m_currentView->setMode(mode);
 361
 362     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 363     viewModeMenu->setIcon(action->icon());
 364 }
 365
 366 void DolphinViewActionHandler::slotRename()
 367 {
 368     emit actionBeingHandled();
 369     m_currentView->renameSelectedItems();
 370 }
 371
 372 void DolphinViewActionHandler::slotTrashActivated()
 373 {
 374     emit actionBeingHandled();
 375     m_currentView->trashSelectedItems();
 376 }
 377
 378 void DolphinViewActionHandler::slotDeleteItems()
 379 {
 380     emit actionBeingHandled();
 381     m_currentView->deleteSelectedItems();
 382 }
 383
 384 void DolphinViewActionHandler::togglePreview(bool show)
 385 {
 386     emit actionBeingHandled();
 387     m_currentView->setPreviewsShown(show);
 388 }
 389
 390 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 391 {
 392     Q_UNUSED(shown);
 393     // It is not enough to update the 'Show Preview' action, also
 394     // the 'Zoom In' and 'Zoom Out' actions must be adapted.
 395     updateViewActions();
 396 }
 397
 398 QString DolphinViewActionHandler::currentViewModeActionName() const
 399 {
 400     switch (m_currentView->mode()) {
 401     case DolphinView::IconsView:
 402         return QStringLiteral("icons");
 403     case DolphinView::DetailsView:
 404         return QStringLiteral("details");
 405     case DolphinView::CompactView:
 406         return QStringLiteral("compact");
 407     default:
 408         Q_ASSERT(false);
 409         break;
 410     }
 411     return QString(); // can't happen
 412 }
 413
 414 KActionCollection* DolphinViewActionHandler::actionCollection()
 415 {
 416     return m_actionCollection;
 417 }
 418
 419 void DolphinViewActionHandler::updateViewActions()
 420 {
 421     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 422     if (viewModeAction) {
 423         viewModeAction->setChecked(true);
 424
 425         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 426         viewModeMenu->setIcon(viewModeAction->icon());
 427     }
 428
 429     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 430     showPreviewAction->setChecked(m_currentView->previewsShown());
 431
 432     slotSortOrderChanged(m_currentView->sortOrder());
 433     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 434     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 435     slotGroupedSortingChanged(m_currentView->groupedSorting());
 436     slotSortRoleChanged(m_currentView->sortRole());
 437     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 438
 439     // Updates the "show_hidden_files" action state and icon
 440     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 441 }
 442
 443 void DolphinViewActionHandler::zoomIn()
 444 {
 445     const int level = m_currentView->zoomLevel();
 446     m_currentView->setZoomLevel(level + 1);
 447     updateViewActions();
 448 }
 449
 450 void DolphinViewActionHandler::zoomOut()
 451 {
 452     const int level = m_currentView->zoomLevel();
 453     m_currentView->setZoomLevel(level - 1);
 454     updateViewActions();
 455 }
 456
 457 void DolphinViewActionHandler::toggleSortFoldersFirst()
 458 {
 459     const bool sortFirst = m_currentView->sortFoldersFirst();
 460     m_currentView->setSortFoldersFirst(!sortFirst);
 461 }
 462
 463 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 464 {
 465     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 466     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 467     const bool sortDescending = (order == Qt::DescendingOrder);
 468     descending->setChecked(sortDescending);
 469     ascending->setChecked(!sortDescending);
 470 }
 471
 472 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 473 {
 474     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 475 }
 476
 477 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 478 {
 479     emit actionBeingHandled();
 480
 481     const QByteArray toggledRole = action->data().toByteArray();
 482
 483     QList<QByteArray> roles = m_currentView->visibleRoles();
 484
 485     const bool show = action->isChecked();
 486
 487     const int index = roles.indexOf(toggledRole);
 488     const bool containsInfo = (index >= 0);
 489     if (show && !containsInfo) {
 490         roles.append(toggledRole);
 491         m_currentView->setVisibleRoles(roles);
 492     } else if (!show && containsInfo) {
 493         roles.removeAt(index);
 494         m_currentView->setVisibleRoles(roles);
 495         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 496     }
 497 }
 498
 499 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 500                                                        const QList<QByteArray>& previous)
 501 {
 502     Q_UNUSED(previous);
 503
 504     const QSet<QByteArray> checkedRoles = current.toSet();
 505     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 506     while (it.hasNext()) {
 507         it.next();
 508         const QByteArray& role = it.key();
 509         KToggleAction* action = it.value();
 510         action->setChecked(checkedRoles.contains(role));
 511     }
 512 }
 513
 514 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 515 {
 516     m_currentView->setGroupedSorting(grouped);
 517 }
 518
 519 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 520 {
 521     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 522     showInGroupsAction->setChecked(groupedSorting);
 523 }
 524
 525 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 526 {
 527     emit actionBeingHandled();
 528     m_currentView->setHiddenFilesShown(show);
 529 }
 530
 531 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 532 {
 533     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 534     showHiddenFilesAction->setChecked(shown);
 535
 536     // #374508: don't overwrite custom icons.
 537     const QString iconName = showHiddenFilesAction->icon().name();
 538     if (!iconName.isEmpty() && iconName != QLatin1String("visibility") && iconName != QLatin1String("hint")) {
 539         return;
 540     }
 541
 542     showHiddenFilesAction->setIcon(QIcon::fromTheme(shown ? QStringLiteral("visibility") : QStringLiteral("hint")));
 543 }
 544
 545 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 546 {
 547     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 548                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 549 }
 550
 551 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 552 {
 553     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 554     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 555     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 556     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_1);
 557     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 558     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 559     return iconsView;
 560 }
 561
 562 KToggleAction* DolphinViewActionHandler::compactModeAction()
 563 {
 564     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 565     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 566     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 567     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_2);
 568     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 569     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 570     return iconsView;
 571 }
 572
 573 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 574 {
 575     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 576     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 577     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 578     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL + Qt::Key_3);
 579     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 580     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 581     return detailsView;
 582 }
 583
 584 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 585 {
 586     KToggleAction* action = m_sortByActions.value(role);
 587     if (action) {
 588         action->setChecked(true);
 589
 590         if (!action->icon().isNull()) {
 591             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 592             sortByMenu->setIcon(action->icon());
 593         }
 594     }
 595
 596     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 597     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 598
 599     if (role == "text" || role == "type" || role == "tags" || role == "comment") {
 600         descending->setText(i18nc("Sort descending", "Z-A"));
 601         ascending->setText(i18nc("Sort ascending", "A-Z"));
 602     } else if (role == "size") {
 603         descending->setText(i18nc("Sort descending", "Largest first"));
 604         ascending->setText(i18nc("Sort ascending", "Smallest first"));
 605     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 606         descending->setText(i18nc("Sort descending", "Newest first"));
 607         ascending->setText(i18nc("Sort ascending", "Oldest first"));
 608     } else if (role == "rating") {
 609         descending->setText(i18nc("Sort descending", "Highest first"));
 610         ascending->setText(i18nc("Sort ascending", "Lowest first"));
 611     } else {
 612         descending->setText(i18nc("Sort descending", "Descending"));
 613         ascending->setText(i18nc("Sort ascending", "Ascending"));
 614     }
 615
 616     slotSortOrderChanged(m_currentView->sortOrder());
 617 }
 618
 619 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 620 {
 621     Q_UNUSED(previous);
 622
 623     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 624     if (zoomInAction) {
 625         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 626     }
 627
 628     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 629     if (zoomOutAction) {
 630         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 631     }
 632 }
 633
 634 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 635 {
 636     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 637     // and several sub-menus. Because of this they don't have a common
 638     // action-group that assures an exclusive toggle-state between the main-menu
 639     // actions and the sub-menu-actions. If an action gets checked, it must
 640     // be assured that all other actions get unchecked, except the ascending/
 641     // descending actions
 642     QAction* sortByMenu =  m_actionCollection->action(QStringLiteral("sort"));
 643     for (QAction *groupAction : qAsConst(m_sortByActions)) {
 644         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 645         if (actionMenu) {
 646             foreach (QAction* subAction, actionMenu->menu()->actions()) {
 647                 subAction->setChecked(false);
 648             }
 649         } else if (groupAction->actionGroup()) {
 650             groupAction->setChecked(false);
 651         }
 652     }
 653     action->setChecked(true);
 654
 655     // Apply the activated sort-role to the view
 656     const QByteArray role = action->data().toByteArray();
 657     m_currentView->setSortRole(role);
 658 }
 659
 660 void DolphinViewActionHandler::slotAdjustViewProperties()
 661 {
 662     emit actionBeingHandled();
 663     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 664     dialog->exec();
 665     delete dialog;
 666 }
 667
 668 void DolphinViewActionHandler::slotProperties()
 669 {
 670     KPropertiesDialog* dialog = nullptr;
 671     const KFileItemList list = m_currentView->selectedItems();
 672     if (list.isEmpty()) {
 673         const QUrl url = m_currentView->url();
 674         dialog = new KPropertiesDialog(url, m_currentView);
 675     } else {
 676         dialog = new KPropertiesDialog(list, m_currentView);
 677     }
 678
 679     dialog->setAttribute(Qt::WA_DeleteOnClose);
 680     dialog->show();
 681     dialog->raise();
 682     dialog->activateWindow();
 683 }