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 <config-baloo.h>
  24
  25 #include "settings/viewpropertiesdialog.h"
  26 #include "views/dolphinview.h"
  27 #include "views/zoomlevelinfo.h"
  28 #include <konq_operations.h>
  29
  30 #include <QPointer>
  31
  32 #include <KAction>
  33 #include <KActionCollection>
  34 #include <KActionMenu>
  35 #include <kitemviews/kfileitemmodel.h>
  36 #include <KLocale>
  37 #include <KMenu>
  38 #include <KNewFileMenu>
  39 #include <KSelectAction>
  40 #include <KToggleAction>
  41 #include <KPropertiesDialog>
  42 #include <KIcon>
  43
  44 #include <KDebug>
  45
  46 #ifdef HAVE_BALOO
  47     #include <KF5/Baloo/indexerconfig.h>
  48 #endif
  49
  50 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, QObject* parent) :
  51     QObject(parent),
  52     m_actionCollection(collection),
  53     m_currentView(0),
  54     m_sortByActions(),
  55     m_visibleRoles()
  56 {
  57     Q_ASSERT(m_actionCollection);
  58     createActions();
  59 }
  60
  61 void DolphinViewActionHandler::setCurrentView(DolphinView* view)
  62 {
  63     Q_ASSERT(view);
  64
  65     if (m_currentView) {
  66         disconnect(m_currentView, 0, this, 0);
  67     }
  68
  69     m_currentView = view;
  70
  71     connect(view, &DolphinView::modeChanged,
  72             this, &DolphinViewActionHandler::updateViewActions);
  73     connect(view, &DolphinView::previewsShownChanged,
  74             this, &DolphinViewActionHandler::slotPreviewsShownChanged);
  75     connect(view, &DolphinView::sortOrderChanged,
  76             this, &DolphinViewActionHandler::slotSortOrderChanged);
  77     connect(view, &DolphinView::sortFoldersFirstChanged,
  78             this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
  79     connect(view, &DolphinView::visibleRolesChanged,
  80             this, &DolphinViewActionHandler::slotVisibleRolesChanged);
  81     connect(view, &DolphinView::groupedSortingChanged,
  82             this, &DolphinViewActionHandler::slotGroupedSortingChanged);
  83     connect(view, &DolphinView::hiddenFilesShownChanged,
  84             this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
  85     connect(view, &DolphinView::sortRoleChanged,
  86             this, &DolphinViewActionHandler::slotSortRoleChanged);
  87     connect(view, &DolphinView::zoomLevelChanged,
  88             this, &DolphinViewActionHandler::slotZoomLevelChanged);
  89     connect(view, &DolphinView::writeStateChanged,
  90             this, &DolphinViewActionHandler::slotWriteStateChanged);
  91 }
  92
  93 DolphinView* DolphinViewActionHandler::currentView()
  94 {
  95     return m_currentView;
  96 }
  97
  98 void DolphinViewActionHandler::createActions()
  99 {
 100     // This action doesn't appear in the GUI, it's for the shortcut only.
 101     // KNewFileMenu takes care of the GUI stuff.
 102     QAction* newDirAction = m_actionCollection->addAction("create_dir");
 103     newDirAction->setText(i18nc("@action", "Create Folder..."));
 104     newDirAction->setShortcut(Qt::Key_F10);
 105     newDirAction->setIcon(KIcon("folder-new"));
 106     newDirAction->setEnabled(false);    // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
 107     connect(newDirAction, &QAction::triggered, this, &DolphinViewActionHandler::createDirectory);
 108
 109     // File menu
 110
 111     QAction* rename = m_actionCollection->addAction("rename");
 112     rename->setText(i18nc("@action:inmenu File", "Rename..."));
 113     rename->setShortcut(Qt::Key_F2);
 114     rename->setIcon(KIcon("edit-rename"));
 115     connect(rename, &QAction::triggered, this, &DolphinViewActionHandler::slotRename);
 116
 117     QAction* moveToTrash = m_actionCollection->addAction("move_to_trash");
 118     moveToTrash->setText(i18nc("@action:inmenu File", "Move to Trash"));
 119     moveToTrash->setIcon(KIcon("user-trash"));
 120     moveToTrash->setShortcut(QKeySequence::Delete);
 121     connect(moveToTrash, &QAction::triggered,
 122             this, &DolphinViewActionHandler::slotTrashActivated);
 123
 124     QAction* deleteAction = m_actionCollection->addAction("delete");
 125     deleteAction->setIcon(KIcon("edit-delete"));
 126     deleteAction->setText(i18nc("@action:inmenu File", "Delete"));
 127     deleteAction->setShortcut(Qt::SHIFT | Qt::Key_Delete);
 128     connect(deleteAction, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 129
 130     // This action is useful for being enabled when "move_to_trash" should be
 131     // disabled and "delete" is enabled (e.g. non-local files), so that Key_Del
 132     // can be used for deleting the file (#76016). It needs to be a separate action
 133     // so that the Edit menu isn't affected.
 134     QAction* deleteWithTrashShortcut = m_actionCollection->addAction("delete_shortcut");
 135     // The descriptive text is just for the shortcuts editor.
 136     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
 137     deleteWithTrashShortcut->setShortcut(QKeySequence::Delete);
 138     deleteWithTrashShortcut->setEnabled(false);
 139     connect(deleteWithTrashShortcut, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 140
 141     QAction *propertiesAction = m_actionCollection->addAction( "properties" );
 142     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 143     propertiesAction->setText( i18nc("@action:inmenu File", "Properties") );
 144     propertiesAction->setIcon(KIcon("document-properties"));
 145     propertiesAction->setShortcuts(QList<QKeySequence>() << Qt::ALT + Qt::Key_Return << Qt::ALT + Qt::Key_Enter);
 146     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 147
 148     // View menu
 149     KToggleAction* iconsAction = iconsModeAction();
 150     KToggleAction* compactAction = compactModeAction();
 151     KToggleAction* detailsAction = detailsModeAction();
 152
 153     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>("view_mode");
 154     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 155     viewModeActions->addAction(iconsAction);
 156     viewModeActions->addAction(compactAction);
 157     viewModeActions->addAction(detailsAction);
 158     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 159     connect(viewModeActions, static_cast<void(KSelectAction::*)(QAction*)>(&KSelectAction::triggered), this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 160
 161     KStandardAction::zoomIn(this,
 162                             SLOT(zoomIn()),
 163                             m_actionCollection);
 164
 165     KStandardAction::zoomOut(this,
 166                              SLOT(zoomOut()),
 167                              m_actionCollection);
 168
 169     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>("show_preview");
 170     showPreview->setText(i18nc("@action:intoolbar", "Preview"));
 171     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 172     showPreview->setIcon(KIcon("view-preview"));
 173     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 174
 175     KToggleAction* sortDescending = m_actionCollection->add<KToggleAction>("descending");
 176     sortDescending->setText(i18nc("@action:inmenu Sort", "Descending"));
 177     connect(sortDescending, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortOrder);
 178
 179     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>("folders_first");
 180     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 181     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 182
 183     // View -> Sort By
 184     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup("sort_by_");
 185
 186     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>("sort");
 187     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 188     sortByActionMenu->setDelayed(false);
 189
 190     foreach (QAction* action, sortByActionGroup->actions()) {
 191         sortByActionMenu->addAction(action);
 192     }
 193     sortByActionMenu->addSeparator();
 194     sortByActionMenu->addAction(sortDescending);
 195     sortByActionMenu->addAction(sortFoldersFirst);
 196
 197     // View -> Additional Information
 198     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup("show_");
 199
 200     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>("additional_info");
 201     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Additional Information"));
 202     visibleRolesMenu->setDelayed(false);
 203
 204     foreach (QAction* action, visibleRolesGroup->actions()) {
 205         visibleRolesMenu->addAction(action);
 206     }
 207
 208     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>("show_in_groups");
 209     showInGroups->setIcon(KIcon("view-group"));
 210     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 211     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 212
 213     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>("show_hidden_files");
 214     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 215     showHiddenFiles->setShortcuts(QList<QKeySequence>() << Qt::ALT + Qt::Key_Period << Qt::Key_F8);
 216     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 217
 218     QAction* adjustViewProps = m_actionCollection->addAction("view_properties");
 219     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Properties..."));
 220     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 221 }
 222
 223 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 224 {
 225     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 226     Q_ASSERT(isSortGroup || (!isSortGroup && groupPrefix == QLatin1String("show_")));
 227
 228     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 229     rolesActionGroup->setExclusive(isSortGroup);
 230     if (isSortGroup) {
 231         connect(rolesActionGroup, &QActionGroup::triggered,
 232                 this, &DolphinViewActionHandler::slotSortTriggered);
 233     } else {
 234         connect(rolesActionGroup, &QActionGroup::triggered,
 235                 this, &DolphinViewActionHandler::toggleVisibleRole);
 236     }
 237
 238     QString groupName;
 239     KActionMenu* groupMenu = 0;
 240     QActionGroup* groupMenuGroup = 0;
 241
 242     bool indexingEnabled = false;
 243 #ifdef HAVE_BALOO
 244     Baloo::IndexerConfig config;
 245     indexingEnabled = config.fileIndexingEnabled();
 246 #endif
 247
 248     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 249     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 250         if (!isSortGroup && info.role == "text") {
 251             // It should not be possible to hide the "text" role
 252             continue;
 253         }
 254
 255         KToggleAction* action = 0;
 256         const QString name = groupPrefix + info.role;
 257         if (info.group.isEmpty()) {
 258             action = m_actionCollection->add<KToggleAction>(name);
 259             action->setActionGroup(rolesActionGroup);
 260         } else {
 261             if (!groupMenu || info.group != groupName) {
 262                 groupName = info.group;
 263                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 264                 groupMenu->setText(groupName);
 265                 groupMenu->setActionGroup(rolesActionGroup);
 266
 267                 groupMenuGroup = new QActionGroup(groupMenu);
 268                 groupMenuGroup->setExclusive(isSortGroup);
 269                 if (isSortGroup) {
 270                     connect(groupMenuGroup, &QActionGroup::triggered,
 271                             this, &DolphinViewActionHandler::slotSortTriggered);
 272                 } else {
 273                     connect(groupMenuGroup, &QActionGroup::triggered,
 274                             this, &DolphinViewActionHandler::toggleVisibleRole);
 275                 }
 276             }
 277
 278             action = new KToggleAction(groupMenu);
 279             action->setActionGroup(groupMenuGroup);
 280             groupMenu->addAction(action);
 281         }
 282         action->setText(info.translation);
 283         action->setData(info.role);
 284
 285         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 286                             (info.requiresBaloo) ||
 287                             (info.requiresIndexer && indexingEnabled);
 288         action->setEnabled(enable);
 289
 290         if (isSortGroup) {
 291             m_sortByActions.insert(info.role, action);
 292         } else {
 293             m_visibleRoles.insert(info.role, action);
 294         }
 295     }
 296
 297     return rolesActionGroup;
 298 }
 299
 300 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 301 {
 302     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 303     m_currentView->setMode(mode);
 304
 305     QAction* viewModeMenu = m_actionCollection->action("view_mode");
 306     viewModeMenu->setIcon(KIcon(action->icon()));
 307 }
 308
 309 void DolphinViewActionHandler::slotRename()
 310 {
 311     emit actionBeingHandled();
 312     m_currentView->renameSelectedItems();
 313 }
 314
 315 void DolphinViewActionHandler::slotTrashActivated()
 316 {
 317     emit actionBeingHandled();
 318     m_currentView->trashSelectedItems();
 319 }
 320
 321 void DolphinViewActionHandler::slotDeleteItems()
 322 {
 323     emit actionBeingHandled();
 324     m_currentView->deleteSelectedItems();
 325 }
 326
 327 void DolphinViewActionHandler::togglePreview(bool show)
 328 {
 329     emit actionBeingHandled();
 330     m_currentView->setPreviewsShown(show);
 331 }
 332
 333 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 334 {
 335     Q_UNUSED(shown);
 336     // It is not enough to update the 'Show Preview' action, also
 337     // the 'Zoom In' and 'Zoom Out' actions must be adapted.
 338     updateViewActions();
 339 }
 340
 341 QString DolphinViewActionHandler::currentViewModeActionName() const
 342 {
 343     switch (m_currentView->mode()) {
 344     case DolphinView::IconsView:
 345         return "icons";
 346     case DolphinView::DetailsView:
 347         return "details";
 348     case DolphinView::CompactView:
 349         return "compact";
 350     default:
 351         Q_ASSERT(false);
 352         break;
 353     }
 354     return QString(); // can't happen
 355 }
 356
 357 KActionCollection* DolphinViewActionHandler::actionCollection()
 358 {
 359     return m_actionCollection;
 360 }
 361
 362 void DolphinViewActionHandler::updateViewActions()
 363 {
 364     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 365     if (viewModeAction) {
 366         viewModeAction->setChecked(true);
 367
 368         QAction* viewModeMenu = m_actionCollection->action("view_mode");
 369         viewModeMenu->setIcon(KIcon(viewModeAction->icon()));
 370     }
 371
 372     QAction* showPreviewAction = m_actionCollection->action("show_preview");
 373     showPreviewAction->setChecked(m_currentView->previewsShown());
 374
 375     slotSortOrderChanged(m_currentView->sortOrder());
 376     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 377     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 378     slotGroupedSortingChanged(m_currentView->groupedSorting());
 379     slotSortRoleChanged(m_currentView->sortRole());
 380     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 381
 382     QAction* showHiddenFilesAction = m_actionCollection->action("show_hidden_files");
 383     showHiddenFilesAction->setChecked(m_currentView->hiddenFilesShown());
 384 }
 385
 386 void DolphinViewActionHandler::zoomIn()
 387 {
 388     const int level = m_currentView->zoomLevel();
 389     m_currentView->setZoomLevel(level + 1);
 390     updateViewActions();
 391 }
 392
 393 void DolphinViewActionHandler::zoomOut()
 394 {
 395     const int level = m_currentView->zoomLevel();
 396     m_currentView->setZoomLevel(level - 1);
 397     updateViewActions();
 398 }
 399
 400 void DolphinViewActionHandler::toggleSortOrder()
 401 {
 402     const Qt::SortOrder order = (m_currentView->sortOrder() == Qt::AscendingOrder) ?
 403                                 Qt::DescendingOrder :
 404                                 Qt::AscendingOrder;
 405     m_currentView->setSortOrder(order);
 406 }
 407
 408 void DolphinViewActionHandler::toggleSortFoldersFirst()
 409 {
 410     const bool sortFirst = m_currentView->sortFoldersFirst();
 411     m_currentView->setSortFoldersFirst(!sortFirst);
 412 }
 413
 414 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 415 {
 416     QAction* descending = m_actionCollection->action("descending");
 417     const bool sortDescending = (order == Qt::DescendingOrder);
 418     descending->setChecked(sortDescending);
 419 }
 420
 421 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 422 {
 423     m_actionCollection->action("folders_first")->setChecked(foldersFirst);
 424 }
 425
 426 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 427 {
 428     emit actionBeingHandled();
 429
 430     const QByteArray toggledRole = action->data().toByteArray();
 431
 432     QList<QByteArray> roles = m_currentView->visibleRoles();
 433
 434     const bool show = action->isChecked();
 435
 436     const int index = roles.indexOf(toggledRole);
 437     const bool containsInfo = (index >= 0);
 438     if (show && !containsInfo) {
 439         roles.append(toggledRole);
 440         m_currentView->setVisibleRoles(roles);
 441     } else if (!show && containsInfo) {
 442         roles.removeAt(index);
 443         m_currentView->setVisibleRoles(roles);
 444         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 445     }
 446 }
 447
 448 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 449                                                        const QList<QByteArray>& previous)
 450 {
 451     Q_UNUSED(previous);
 452
 453     const QSet<QByteArray> checkedRoles = current.toSet();
 454     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 455     while (it.hasNext()) {
 456         it.next();
 457         const QByteArray& role = it.key();
 458         KToggleAction* action = it.value();
 459         action->setChecked(checkedRoles.contains(role));
 460     }
 461 }
 462
 463 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 464 {
 465     m_currentView->setGroupedSorting(grouped);
 466 }
 467
 468 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 469 {
 470     QAction* showInGroupsAction = m_actionCollection->action("show_in_groups");
 471     showInGroupsAction->setChecked(groupedSorting);
 472 }
 473
 474 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 475 {
 476     emit actionBeingHandled();
 477     m_currentView->setHiddenFilesShown(show);
 478 }
 479
 480 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 481 {
 482     QAction* showHiddenFilesAction = m_actionCollection->action("show_hidden_files");
 483     showHiddenFilesAction->setChecked(shown);
 484 }
 485
 486 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 487 {
 488     m_actionCollection->action("create_dir")->setEnabled(isFolderWritable);
 489 }
 490
 491 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 492 {
 493     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>("icons");
 494     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 495     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 496     iconsView->setShortcut(Qt::CTRL | Qt::Key_1);
 497     iconsView->setIcon(KIcon("view-list-icons"));
 498     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 499     return iconsView;
 500 }
 501
 502 KToggleAction* DolphinViewActionHandler::compactModeAction()
 503 {
 504     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>("compact");
 505     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 506     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 507     iconsView->setShortcut(Qt::CTRL | Qt::Key_2);
 508     iconsView->setIcon(KIcon("view-list-details")); // TODO: discuss with Oxygen-team the wrong (?) name
 509     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 510     return iconsView;
 511 }
 512
 513 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 514 {
 515     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>("details");
 516     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 517     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 518     detailsView->setShortcut(Qt::CTRL | Qt::Key_3);
 519     detailsView->setIcon(KIcon("view-list-tree"));
 520     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 521     return detailsView;
 522 }
 523
 524 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 525 {
 526     KToggleAction* action = m_sortByActions.value(role);
 527     if (action) {
 528         action->setChecked(true);
 529
 530         if (!action->icon().isNull()) {
 531             QAction* sortByMenu = m_actionCollection->action("sort");
 532             sortByMenu->setIcon(KIcon(action->icon()));
 533         }
 534     }
 535 }
 536
 537 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 538 {
 539     Q_UNUSED(previous);
 540
 541     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 542     if (zoomInAction) {
 543         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 544     }
 545
 546     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 547     if (zoomOutAction) {
 548         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 549     }
 550 }
 551
 552 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 553 {
 554     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 555     // and several sub-menus. Because of this they don't have a common
 556     // action-group that assures an exclusive toggle-state between the main-menu
 557     // actions and the sub-menu-actions. If an action gets checked, it must
 558     // be assured that all other actions get unchecked.
 559     QAction* sortByMenu =  m_actionCollection->action("sort");
 560     foreach (QAction* groupAction, sortByMenu->menu()->actions()) {
 561         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 562         if (actionMenu) {
 563             foreach (QAction* subAction, actionMenu->menu()->actions()) {
 564                 subAction->setChecked(false);
 565             }
 566         } else if (groupAction->actionGroup()) {
 567             groupAction->setChecked(false);
 568         }
 569     }
 570     action->setChecked(true);
 571
 572     // Apply the activated sort-role to the view
 573     const QByteArray role = action->data().toByteArray();
 574     m_currentView->setSortRole(role);
 575 }
 576
 577 void DolphinViewActionHandler::slotAdjustViewProperties()
 578 {
 579     emit actionBeingHandled();
 580     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 581     dialog->exec();
 582     delete dialog;
 583 }
 584
 585 void DolphinViewActionHandler::slotProperties()
 586 {
 587     KPropertiesDialog* dialog = 0;
 588     const KFileItemList list = m_currentView->selectedItems();
 589     if (list.isEmpty()) {
 590         const KUrl url = m_currentView->url();
 591         dialog = new KPropertiesDialog(url, m_currentView);
 592     } else {
 593         dialog = new KPropertiesDialog(list, m_currentView);
 594     }
 595
 596     dialog->setAttribute(Qt::WA_DeleteOnClose);
 597     dialog->show();
 598     dialog->raise();
 599     dialog->activateWindow();
 600 }