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* sortDescending = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 207     sortDescending->setText(i18nc("@action:inmenu Sort", "Descending"));
 208     connect(sortDescending, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortOrder);
 209
 210     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 211     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 212     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 213
 214     // View -> Sort By
 215     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 216
 217     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 218     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 219     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 220     sortByActionMenu->setDelayed(false);
 221
 222     foreach (QAction* action, sortByActionGroup->actions()) {
 223         sortByActionMenu->addAction(action);
 224     }
 225     sortByActionMenu->addSeparator();
 226     sortByActionMenu->addAction(sortDescending);
 227     sortByActionMenu->addAction(sortFoldersFirst);
 228
 229     // View -> Additional Information
 230     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 231
 232     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 233     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Additional Information"));
 234     visibleRolesMenu->setDelayed(false);
 235
 236     foreach (QAction* action, visibleRolesGroup->actions()) {
 237         visibleRolesMenu->addAction(action);
 238     }
 239
 240     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 241     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 242     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 243     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 244     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 245
 246     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 247     showHiddenFiles->setText(i18nc("@action:inmenu View", "Hidden Files"));
 248     showHiddenFiles->setToolTip(i18nc("@info", "Visibility of hidden files and folders"));
 249     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 250         "this is enabled <emphasis>hidden</emphasis> files and folders "
 251         "are visible. They will be displayed semi-transparent.</para>"
 252         "<para>Hidden items only differ from other ones in that their "
 253         "name starts with a \".\". In general there is no need for "
 254         "users to access them which is why they are hidden.</para>"));
 255     m_actionCollection->setDefaultShortcuts(showHiddenFiles, {Qt::ALT + Qt::Key_Period, Qt::CTRL + Qt::Key_H, Qt::Key_F8});
 256     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 257
 258     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 259     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Properties..."));
 260     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 261         "in which all folder view properties can be adjusted."));
 262     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 263 }
 264
 265 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 266 {
 267     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 268     Q_ASSERT(isSortGroup || (!isSortGroup && groupPrefix == QLatin1String("show_")));
 269
 270     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 271     rolesActionGroup->setExclusive(isSortGroup);
 272     if (isSortGroup) {
 273         connect(rolesActionGroup, &QActionGroup::triggered,
 274                 this, &DolphinViewActionHandler::slotSortTriggered);
 275     } else {
 276         connect(rolesActionGroup, &QActionGroup::triggered,
 277                 this, &DolphinViewActionHandler::toggleVisibleRole);
 278     }
 279
 280     QString groupName;
 281     KActionMenu* groupMenu = nullptr;
 282     QActionGroup* groupMenuGroup = nullptr;
 283
 284     bool indexingEnabled = false;
 285 #ifdef HAVE_BALOO
 286     Baloo::IndexerConfig config;
 287     indexingEnabled = config.fileIndexingEnabled();
 288 #endif
 289
 290     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 291     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 292         if (!isSortGroup && info.role == "text") {
 293             // It should not be possible to hide the "text" role
 294             continue;
 295         }
 296
 297         KToggleAction* action = nullptr;
 298         const QString name = groupPrefix + info.role;
 299         if (info.group.isEmpty()) {
 300             action = m_actionCollection->add<KToggleAction>(name);
 301             action->setActionGroup(rolesActionGroup);
 302         } else {
 303             if (!groupMenu || info.group != groupName) {
 304                 groupName = info.group;
 305                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 306                 groupMenu->setText(groupName);
 307                 groupMenu->setActionGroup(rolesActionGroup);
 308
 309                 groupMenuGroup = new QActionGroup(groupMenu);
 310                 groupMenuGroup->setExclusive(isSortGroup);
 311                 if (isSortGroup) {
 312                     connect(groupMenuGroup, &QActionGroup::triggered,
 313                             this, &DolphinViewActionHandler::slotSortTriggered);
 314                 } else {
 315                     connect(groupMenuGroup, &QActionGroup::triggered,
 316                             this, &DolphinViewActionHandler::toggleVisibleRole);
 317                 }
 318             }
 319
 320             action = new KToggleAction(groupMenu);
 321             action->setActionGroup(groupMenuGroup);
 322             groupMenu->addAction(action);
 323         }
 324         action->setText(info.translation);
 325         action->setData(info.role);
 326
 327         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 328                             (info.requiresBaloo) ||
 329                             (info.requiresIndexer && indexingEnabled);
 330         action->setEnabled(enable);
 331
 332         if (isSortGroup) {
 333             m_sortByActions.insert(info.role, action);
 334         } else {
 335             m_visibleRoles.insert(info.role, action);
 336         }
 337     }
 338
 339     return rolesActionGroup;
 340 }
 341
 342 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 343 {
 344     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 345     m_currentView->setMode(mode);
 346
 347     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 348     viewModeMenu->setIcon(action->icon());
 349 }
 350
 351 void DolphinViewActionHandler::slotRename()
 352 {
 353     emit actionBeingHandled();
 354     m_currentView->renameSelectedItems();
 355 }
 356
 357 void DolphinViewActionHandler::slotTrashActivated()
 358 {
 359     emit actionBeingHandled();
 360     m_currentView->trashSelectedItems();
 361 }
 362
 363 void DolphinViewActionHandler::slotDeleteItems()
 364 {
 365     emit actionBeingHandled();
 366     m_currentView->deleteSelectedItems();
 367 }
 368
 369 void DolphinViewActionHandler::togglePreview(bool show)
 370 {
 371     emit actionBeingHandled();
 372     m_currentView->setPreviewsShown(show);
 373 }
 374
 375 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 376 {
 377     Q_UNUSED(shown);
 378     // It is not enough to update the 'Show Preview' action, also
 379     // the 'Zoom In' and 'Zoom Out' actions must be adapted.
 380     updateViewActions();
 381 }
 382
 383 QString DolphinViewActionHandler::currentViewModeActionName() const
 384 {
 385     switch (m_currentView->mode()) {
 386     case DolphinView::IconsView:
 387         return QStringLiteral("icons");
 388     case DolphinView::DetailsView:
 389         return QStringLiteral("details");
 390     case DolphinView::CompactView:
 391         return QStringLiteral("compact");
 392     default:
 393         Q_ASSERT(false);
 394         break;
 395     }
 396     return QString(); // can't happen
 397 }
 398
 399 KActionCollection* DolphinViewActionHandler::actionCollection()
 400 {
 401     return m_actionCollection;
 402 }
 403
 404 void DolphinViewActionHandler::updateViewActions()
 405 {
 406     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 407     if (viewModeAction) {
 408         viewModeAction->setChecked(true);
 409
 410         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 411         viewModeMenu->setIcon(viewModeAction->icon());
 412     }
 413
 414     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 415     showPreviewAction->setChecked(m_currentView->previewsShown());
 416
 417     slotSortOrderChanged(m_currentView->sortOrder());
 418     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 419     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 420     slotGroupedSortingChanged(m_currentView->groupedSorting());
 421     slotSortRoleChanged(m_currentView->sortRole());
 422     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 423
 424     // Updates the "show_hidden_files" action state and icon
 425     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 426 }
 427
 428 void DolphinViewActionHandler::zoomIn()
 429 {
 430     const int level = m_currentView->zoomLevel();
 431     m_currentView->setZoomLevel(level + 1);
 432     updateViewActions();
 433 }
 434
 435 void DolphinViewActionHandler::zoomOut()
 436 {
 437     const int level = m_currentView->zoomLevel();
 438     m_currentView->setZoomLevel(level - 1);
 439     updateViewActions();
 440 }
 441
 442 void DolphinViewActionHandler::toggleSortOrder()
 443 {
 444     const Qt::SortOrder order = (m_currentView->sortOrder() == Qt::AscendingOrder) ?
 445                                 Qt::DescendingOrder :
 446                                 Qt::AscendingOrder;
 447     m_currentView->setSortOrder(order);
 448 }
 449
 450 void DolphinViewActionHandler::toggleSortFoldersFirst()
 451 {
 452     const bool sortFirst = m_currentView->sortFoldersFirst();
 453     m_currentView->setSortFoldersFirst(!sortFirst);
 454 }
 455
 456 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 457 {
 458     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 459     const bool sortDescending = (order == Qt::DescendingOrder);
 460     descending->setChecked(sortDescending);
 461 }
 462
 463 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 464 {
 465     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 466 }
 467
 468 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 469 {
 470     emit actionBeingHandled();
 471
 472     const QByteArray toggledRole = action->data().toByteArray();
 473
 474     QList<QByteArray> roles = m_currentView->visibleRoles();
 475
 476     const bool show = action->isChecked();
 477
 478     const int index = roles.indexOf(toggledRole);
 479     const bool containsInfo = (index >= 0);
 480     if (show && !containsInfo) {
 481         roles.append(toggledRole);
 482         m_currentView->setVisibleRoles(roles);
 483     } else if (!show && containsInfo) {
 484         roles.removeAt(index);
 485         m_currentView->setVisibleRoles(roles);
 486         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 487     }
 488 }
 489
 490 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 491                                                        const QList<QByteArray>& previous)
 492 {
 493     Q_UNUSED(previous);
 494
 495     const QSet<QByteArray> checkedRoles = current.toSet();
 496     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 497     while (it.hasNext()) {
 498         it.next();
 499         const QByteArray& role = it.key();
 500         KToggleAction* action = it.value();
 501         action->setChecked(checkedRoles.contains(role));
 502     }
 503 }
 504
 505 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 506 {
 507     m_currentView->setGroupedSorting(grouped);
 508 }
 509
 510 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 511 {
 512     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 513     showInGroupsAction->setChecked(groupedSorting);
 514 }
 515
 516 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 517 {
 518     emit actionBeingHandled();
 519     m_currentView->setHiddenFilesShown(show);
 520 }
 521
 522 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 523 {
 524     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 525     showHiddenFilesAction->setChecked(shown);
 526
 527     // #374508: don't overwrite custom icons.
 528     const QString iconName = showHiddenFilesAction->icon().name();
 529     if (!iconName.isEmpty() && iconName != QLatin1String("visibility") && iconName != QLatin1String("hint")) {
 530         return;
 531     }
 532
 533     showHiddenFilesAction->setIcon(QIcon::fromTheme(shown ? QStringLiteral("visibility") : QStringLiteral("hint")));
 534 }
 535
 536 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 537 {
 538     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 539                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 540 }
 541
 542 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 543 {
 544     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 545     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 546     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 547     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_1);
 548     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 549     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 550     return iconsView;
 551 }
 552
 553 KToggleAction* DolphinViewActionHandler::compactModeAction()
 554 {
 555     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 556     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 557     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 558     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_2);
 559     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 560     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 561     return iconsView;
 562 }
 563
 564 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 565 {
 566     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 567     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 568     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 569     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL + Qt::Key_3);
 570     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 571     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 572     return detailsView;
 573 }
 574
 575 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 576 {
 577     KToggleAction* action = m_sortByActions.value(role);
 578     if (action) {
 579         action->setChecked(true);
 580
 581         if (!action->icon().isNull()) {
 582             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 583             sortByMenu->setIcon(action->icon());
 584         }
 585     }
 586 }
 587
 588 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 589 {
 590     Q_UNUSED(previous);
 591
 592     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 593     if (zoomInAction) {
 594         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 595     }
 596
 597     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 598     if (zoomOutAction) {
 599         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 600     }
 601 }
 602
 603 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 604 {
 605     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 606     // and several sub-menus. Because of this they don't have a common
 607     // action-group that assures an exclusive toggle-state between the main-menu
 608     // actions and the sub-menu-actions. If an action gets checked, it must
 609     // be assured that all other actions get unchecked.
 610     QAction* sortByMenu =  m_actionCollection->action(QStringLiteral("sort"));
 611     foreach (QAction* groupAction, sortByMenu->menu()->actions()) {
 612         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 613         if (actionMenu) {
 614             foreach (QAction* subAction, actionMenu->menu()->actions()) {
 615                 subAction->setChecked(false);
 616             }
 617         } else if (groupAction->actionGroup()) {
 618             groupAction->setChecked(false);
 619         }
 620     }
 621     action->setChecked(true);
 622
 623     // Apply the activated sort-role to the view
 624     const QByteArray role = action->data().toByteArray();
 625     m_currentView->setSortRole(role);
 626 }
 627
 628 void DolphinViewActionHandler::slotAdjustViewProperties()
 629 {
 630     emit actionBeingHandled();
 631     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 632     dialog->exec();
 633     delete dialog;
 634 }
 635
 636 void DolphinViewActionHandler::slotProperties()
 637 {
 638     KPropertiesDialog* dialog = nullptr;
 639     const KFileItemList list = m_currentView->selectedItems();
 640     if (list.isEmpty()) {
 641         const QUrl url = m_currentView->url();
 642         dialog = new KPropertiesDialog(url, m_currentView);
 643     } else {
 644         dialog = new KPropertiesDialog(list, m_currentView);
 645     }
 646
 647     dialog->setAttribute(Qt::WA_DeleteOnClose);
 648     dialog->show();
 649     dialog->raise();
 650     dialog->activateWindow();
 651 }