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* zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
 192     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
 193     zoomResetAction->setToolTip(i18n("Zoom To Default"));
 194     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
 195     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
 196     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL + Qt::Key_0});
 197     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 198
 199     QAction* zoomOutAction = KStandardAction::zoomOut(this,
 200                              &DolphinViewActionHandler::zoomOut,
 201                              m_actionCollection);
 202     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 203
 204     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 205     showPreview->setText(i18nc("@action:intoolbar", "Preview"));
 206     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 207     showPreview->setWhatsThis(xi18nc("@info:whatsthis", "When this is "
 208         "enabled, the icons are based on the actual file or folder "
 209         "contents.<nl/>For example the icons of images become scaled "
 210         "down versions of the images."));
 211     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 212     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 213
 214     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 215     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 216     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 217
 218     // View -> Sort By
 219     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 220
 221     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 222     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 223     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 224     sortByActionMenu->setDelayed(false);
 225
 226     foreach (QAction* action, sortByActionGroup->actions()) {
 227         sortByActionMenu->addAction(action);
 228     }
 229
 230     sortByActionMenu->addSeparator();
 231
 232     QActionGroup* group = new QActionGroup(sortByActionMenu);
 233     group->setExclusive(true);
 234
 235     KToggleAction* ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 236     ascendingAction->setActionGroup(group);
 237     connect(ascendingAction, &QAction::triggered, this, [this] {
 238         m_currentView->setSortOrder(Qt::AscendingOrder);
 239     });
 240
 241     KToggleAction* descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 242     descendingAction->setActionGroup(group);
 243     connect(descendingAction, &QAction::triggered, this, [this] {
 244         m_currentView->setSortOrder(Qt::DescendingOrder);
 245     });
 246
 247     sortByActionMenu->addAction(ascendingAction);
 248     sortByActionMenu->addAction(descendingAction);
 249     sortByActionMenu->addSeparator();
 250     sortByActionMenu->addAction(sortFoldersFirst);
 251
 252     // View -> Additional Information
 253     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 254
 255     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 256     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Additional Information"));
 257     visibleRolesMenu->setDelayed(false);
 258
 259     foreach (QAction* action, visibleRolesGroup->actions()) {
 260         visibleRolesMenu->addAction(action);
 261     }
 262
 263     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 264     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 265     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 266     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 267     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 268
 269     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 270     showHiddenFiles->setText(i18nc("@action:inmenu View", "Hidden Files"));
 271     showHiddenFiles->setToolTip(i18nc("@info", "Visibility of hidden files and folders"));
 272     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis", "<para>When "
 273         "this is enabled <emphasis>hidden</emphasis> files and folders "
 274         "are visible. They will be displayed semi-transparent.</para>"
 275         "<para>Hidden items only differ from other ones in that their "
 276         "name starts with a \".\". In general there is no need for "
 277         "users to access them which is why they are hidden.</para>"));
 278     m_actionCollection->setDefaultShortcuts(showHiddenFiles, {Qt::ALT + Qt::Key_Period, Qt::CTRL + Qt::Key_H, Qt::Key_F8});
 279     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 280
 281     QAction* adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 282     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Properties..."));
 283     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis", "This opens a window "
 284         "in which all folder view properties can be adjusted."));
 285     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 286 }
 287
 288 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 289 {
 290     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 291     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 292
 293     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 294     rolesActionGroup->setExclusive(isSortGroup);
 295     if (isSortGroup) {
 296         connect(rolesActionGroup, &QActionGroup::triggered,
 297                 this, &DolphinViewActionHandler::slotSortTriggered);
 298     } else {
 299         connect(rolesActionGroup, &QActionGroup::triggered,
 300                 this, &DolphinViewActionHandler::toggleVisibleRole);
 301     }
 302
 303     QString groupName;
 304     KActionMenu* groupMenu = nullptr;
 305     QActionGroup* groupMenuGroup = nullptr;
 306
 307     bool indexingEnabled = false;
 308 #ifdef HAVE_BALOO
 309     Baloo::IndexerConfig config;
 310     indexingEnabled = config.fileIndexingEnabled();
 311 #endif
 312
 313     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 314     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 315         if (!isSortGroup && info.role == "text") {
 316             // It should not be possible to hide the "text" role
 317             continue;
 318         }
 319
 320         KToggleAction* action = nullptr;
 321         const QString name = groupPrefix + info.role;
 322         if (info.group.isEmpty()) {
 323             action = m_actionCollection->add<KToggleAction>(name);
 324             action->setActionGroup(rolesActionGroup);
 325         } else {
 326             if (!groupMenu || info.group != groupName) {
 327                 groupName = info.group;
 328                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 329                 groupMenu->setText(groupName);
 330                 groupMenu->setActionGroup(rolesActionGroup);
 331
 332                 groupMenuGroup = new QActionGroup(groupMenu);
 333                 groupMenuGroup->setExclusive(isSortGroup);
 334                 if (isSortGroup) {
 335                     connect(groupMenuGroup, &QActionGroup::triggered,
 336                             this, &DolphinViewActionHandler::slotSortTriggered);
 337                 } else {
 338                     connect(groupMenuGroup, &QActionGroup::triggered,
 339                             this, &DolphinViewActionHandler::toggleVisibleRole);
 340                 }
 341             }
 342
 343             action = new KToggleAction(groupMenu);
 344             action->setActionGroup(groupMenuGroup);
 345             groupMenu->addAction(action);
 346         }
 347         action->setText(info.translation);
 348         action->setData(info.role);
 349
 350         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 351                             (info.requiresBaloo) ||
 352                             (info.requiresIndexer && indexingEnabled);
 353         action->setEnabled(enable);
 354
 355         if (isSortGroup) {
 356             m_sortByActions.insert(info.role, action);
 357         } else {
 358             m_visibleRoles.insert(info.role, action);
 359         }
 360     }
 361
 362     return rolesActionGroup;
 363 }
 364
 365 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 366 {
 367     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 368     m_currentView->setMode(mode);
 369
 370     QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 371     viewModeMenu->setIcon(action->icon());
 372 }
 373
 374 void DolphinViewActionHandler::slotRename()
 375 {
 376     emit actionBeingHandled();
 377     m_currentView->renameSelectedItems();
 378 }
 379
 380 void DolphinViewActionHandler::slotTrashActivated()
 381 {
 382     emit actionBeingHandled();
 383     m_currentView->trashSelectedItems();
 384 }
 385
 386 void DolphinViewActionHandler::slotDeleteItems()
 387 {
 388     emit actionBeingHandled();
 389     m_currentView->deleteSelectedItems();
 390 }
 391
 392 void DolphinViewActionHandler::togglePreview(bool show)
 393 {
 394     emit actionBeingHandled();
 395     m_currentView->setPreviewsShown(show);
 396 }
 397
 398 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 399 {
 400     Q_UNUSED(shown);
 401     // It is not enough to update the 'Show Preview' action, also
 402     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
 403     updateViewActions();
 404 }
 405
 406 QString DolphinViewActionHandler::currentViewModeActionName() const
 407 {
 408     switch (m_currentView->mode()) {
 409     case DolphinView::IconsView:
 410         return QStringLiteral("icons");
 411     case DolphinView::DetailsView:
 412         return QStringLiteral("details");
 413     case DolphinView::CompactView:
 414         return QStringLiteral("compact");
 415     default:
 416         Q_ASSERT(false);
 417         break;
 418     }
 419     return QString(); // can't happen
 420 }
 421
 422 KActionCollection* DolphinViewActionHandler::actionCollection()
 423 {
 424     return m_actionCollection;
 425 }
 426
 427 void DolphinViewActionHandler::updateViewActions()
 428 {
 429     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 430     if (viewModeAction) {
 431         viewModeAction->setChecked(true);
 432
 433         QAction* viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 434         viewModeMenu->setIcon(viewModeAction->icon());
 435     }
 436
 437     QAction* showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 438     showPreviewAction->setChecked(m_currentView->previewsShown());
 439
 440     slotSortOrderChanged(m_currentView->sortOrder());
 441     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 442     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 443     slotGroupedSortingChanged(m_currentView->groupedSorting());
 444     slotSortRoleChanged(m_currentView->sortRole());
 445     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 446
 447     // Updates the "show_hidden_files" action state and icon
 448     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 449 }
 450
 451 void DolphinViewActionHandler::zoomIn()
 452 {
 453     const int level = m_currentView->zoomLevel();
 454     m_currentView->setZoomLevel(level + 1);
 455     updateViewActions();
 456 }
 457
 458 void DolphinViewActionHandler::zoomOut()
 459 {
 460     const int level = m_currentView->zoomLevel();
 461     m_currentView->setZoomLevel(level - 1);
 462     updateViewActions();
 463 }
 464
 465 void DolphinViewActionHandler::zoomReset()
 466 {
 467     m_currentView->resetZoomLevel();
 468     updateViewActions();
 469 }
 470
 471 void DolphinViewActionHandler::toggleSortFoldersFirst()
 472 {
 473     const bool sortFirst = m_currentView->sortFoldersFirst();
 474     m_currentView->setSortFoldersFirst(!sortFirst);
 475 }
 476
 477 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 478 {
 479     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 480     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 481     const bool sortDescending = (order == Qt::DescendingOrder);
 482     descending->setChecked(sortDescending);
 483     ascending->setChecked(!sortDescending);
 484 }
 485
 486 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 487 {
 488     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 489 }
 490
 491 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 492 {
 493     emit actionBeingHandled();
 494
 495     const QByteArray toggledRole = action->data().toByteArray();
 496
 497     QList<QByteArray> roles = m_currentView->visibleRoles();
 498
 499     const bool show = action->isChecked();
 500
 501     const int index = roles.indexOf(toggledRole);
 502     const bool containsInfo = (index >= 0);
 503     if (show && !containsInfo) {
 504         roles.append(toggledRole);
 505         m_currentView->setVisibleRoles(roles);
 506     } else if (!show && containsInfo) {
 507         roles.removeAt(index);
 508         m_currentView->setVisibleRoles(roles);
 509         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 510     }
 511 }
 512
 513 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 514                                                        const QList<QByteArray>& previous)
 515 {
 516     Q_UNUSED(previous);
 517
 518     const QSet<QByteArray> checkedRoles = current.toSet();
 519     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 520     while (it.hasNext()) {
 521         it.next();
 522         const QByteArray& role = it.key();
 523         KToggleAction* action = it.value();
 524         action->setChecked(checkedRoles.contains(role));
 525     }
 526 }
 527
 528 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 529 {
 530     m_currentView->setGroupedSorting(grouped);
 531 }
 532
 533 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 534 {
 535     QAction* showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 536     showInGroupsAction->setChecked(groupedSorting);
 537 }
 538
 539 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 540 {
 541     emit actionBeingHandled();
 542     m_currentView->setHiddenFilesShown(show);
 543 }
 544
 545 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 546 {
 547     QAction* showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 548     showHiddenFilesAction->setChecked(shown);
 549
 550     // #374508: don't overwrite custom icons.
 551     const QString iconName = showHiddenFilesAction->icon().name();
 552     if (!iconName.isEmpty() && iconName != QLatin1String("view-visible") && iconName != QLatin1String("view-hidden")) {
 553         return;
 554     }
 555
 556     showHiddenFilesAction->setIcon(QIcon::fromTheme(shown ? QStringLiteral("view-visible") : QStringLiteral("view-hidden")));
 557 }
 558
 559 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 560 {
 561     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable &&
 562                                                                          KProtocolManager::supportsMakeDir(currentView()->url()));
 563 }
 564
 565 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 566 {
 567     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 568     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 569     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 570     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_1);
 571     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 572     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 573     return iconsView;
 574 }
 575
 576 KToggleAction* DolphinViewActionHandler::compactModeAction()
 577 {
 578     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 579     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 580     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 581     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL + Qt::Key_2);
 582     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 583     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 584     return iconsView;
 585 }
 586
 587 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 588 {
 589     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 590     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 591     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 592     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL + Qt::Key_3);
 593     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 594     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 595     return detailsView;
 596 }
 597
 598 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 599 {
 600     KToggleAction* action = m_sortByActions.value(role);
 601     if (action) {
 602         action->setChecked(true);
 603
 604         if (!action->icon().isNull()) {
 605             QAction* sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 606             sortByMenu->setIcon(action->icon());
 607         }
 608     }
 609
 610     QAction* descending = m_actionCollection->action(QStringLiteral("descending"));
 611     QAction* ascending = m_actionCollection->action(QStringLiteral("ascending"));
 612
 613     if (role == "text" || role == "type" || role == "tags" || role == "comment") {
 614         descending->setText(i18nc("Sort descending", "Z-A"));
 615         ascending->setText(i18nc("Sort ascending", "A-Z"));
 616     } else if (role == "size") {
 617         descending->setText(i18nc("Sort descending", "Largest first"));
 618         ascending->setText(i18nc("Sort ascending", "Smallest first"));
 619     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 620         descending->setText(i18nc("Sort descending", "Newest first"));
 621         ascending->setText(i18nc("Sort ascending", "Oldest first"));
 622     } else if (role == "rating") {
 623         descending->setText(i18nc("Sort descending", "Highest first"));
 624         ascending->setText(i18nc("Sort ascending", "Lowest first"));
 625     } else {
 626         descending->setText(i18nc("Sort descending", "Descending"));
 627         ascending->setText(i18nc("Sort ascending", "Ascending"));
 628     }
 629
 630     slotSortOrderChanged(m_currentView->sortOrder());
 631 }
 632
 633 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 634 {
 635     Q_UNUSED(previous);
 636
 637     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 638     if (zoomInAction) {
 639         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 640     }
 641
 642     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 643     if (zoomOutAction) {
 644         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 645     }
 646 }
 647
 648 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 649 {
 650     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 651     // and several sub-menus. Because of this they don't have a common
 652     // action-group that assures an exclusive toggle-state between the main-menu
 653     // actions and the sub-menu-actions. If an action gets checked, it must
 654     // be assured that all other actions get unchecked, except the ascending/
 655     // descending actions
 656     QAction* sortByMenu =  m_actionCollection->action(QStringLiteral("sort"));
 657     for (QAction *groupAction : qAsConst(m_sortByActions)) {
 658         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 659         if (actionMenu) {
 660             foreach (QAction* subAction, actionMenu->menu()->actions()) {
 661                 subAction->setChecked(false);
 662             }
 663         } else if (groupAction->actionGroup()) {
 664             groupAction->setChecked(false);
 665         }
 666     }
 667     action->setChecked(true);
 668
 669     // Apply the activated sort-role to the view
 670     const QByteArray role = action->data().toByteArray();
 671     m_currentView->setSortRole(role);
 672 }
 673
 674 void DolphinViewActionHandler::slotAdjustViewProperties()
 675 {
 676     emit actionBeingHandled();
 677     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 678     dialog->exec();
 679     delete dialog;
 680 }
 681
 682 void DolphinViewActionHandler::slotProperties()
 683 {
 684     KPropertiesDialog* dialog = nullptr;
 685     const KFileItemList list = m_currentView->selectedItems();
 686     if (list.isEmpty()) {
 687         const QUrl url = m_currentView->url();
 688         dialog = new KPropertiesDialog(url, m_currentView);
 689     } else {
 690         dialog = new KPropertiesDialog(list, m_currentView);
 691     }
 692
 693     dialog->setAttribute(Qt::WA_DeleteOnClose);
 694     dialog->show();
 695     dialog->raise();
 696     dialog->activateWindow();
 697 }