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-nepomuk.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 <KAction>
  31 #include <KActionCollection>
  32 #include <KActionMenu>
  33 #include <kitemviews/kfileitemmodel.h>
  34 #include <KLocale>
  35 #include <KMenu>
  36 #include <KNewFileMenu>
  37 #include <KSelectAction>
  38 #include <KToggleAction>
  39 #include <KPropertiesDialog>
  40 #include <KIcon>
  41
  42 #ifdef HAVE_NEPOMUK
  43     #include <Nepomuk/ResourceManager>
  44 #endif
  45
  46 #include <KDebug>
  47
  48 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, QObject* parent) :
  49     QObject(parent),
  50     m_actionCollection(collection),
  51     m_currentView(0),
  52     m_sortByActions(),
  53     m_visibleRoles()
  54 {
  55     Q_ASSERT(m_actionCollection);
  56     createActions();
  57 }
  58
  59 void DolphinViewActionHandler::setCurrentView(DolphinView* view)
  60 {
  61     Q_ASSERT(view);
  62
  63     if (m_currentView) {
  64         disconnect(m_currentView, 0, this, 0);
  65     }
  66
  67     m_currentView = view;
  68
  69     connect(view, SIGNAL(modeChanged(DolphinView::Mode,DolphinView::Mode)),
  70             this, SLOT(updateViewActions()));
  71     connect(view, SIGNAL(previewsShownChanged(bool)),
  72             this, SLOT(slotPreviewsShownChanged(bool)));
  73     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  74             this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
  75     connect(view, SIGNAL(sortFoldersFirstChanged(bool)),
  76             this, SLOT(slotSortFoldersFirstChanged(bool)));
  77     connect(view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
  78             this, SLOT(slotVisibleRolesChanged(QList<QByteArray>,QList<QByteArray>)));
  79     connect(view, SIGNAL(groupedSortingChanged(bool)),
  80             this, SLOT(slotGroupedSortingChanged(bool)));
  81     connect(view, SIGNAL(hiddenFilesShownChanged(bool)),
  82             this, SLOT(slotHiddenFilesShownChanged(bool)));
  83     connect(view, SIGNAL(sortRoleChanged(QByteArray)),
  84             this, SLOT(slotSortRoleChanged(QByteArray)));
  85     connect(view, SIGNAL(zoomLevelChanged(int,int)),
  86             this, SLOT(slotZoomLevelChanged(int,int)));
  87 }
  88
  89 DolphinView* DolphinViewActionHandler::currentView()
  90 {
  91     return m_currentView;
  92 }
  93
  94 void DolphinViewActionHandler::createActions()
  95 {
  96     // This action doesn't appear in the GUI, it's for the shortcut only.
  97     // KNewFileMenu takes care of the GUI stuff.
  98     KAction* newDirAction = m_actionCollection->addAction("create_dir");
  99     newDirAction->setText(i18nc("@action", "Create Folder..."));
 100     newDirAction->setShortcut(Qt::Key_F10);
 101     newDirAction->setIcon(KIcon("folder-new"));
 102     connect(newDirAction, SIGNAL(triggered()), this, SIGNAL(createDirectory()));
 103
 104     // File menu
 105
 106     KAction* rename = m_actionCollection->addAction("rename");
 107     rename->setText(i18nc("@action:inmenu File", "Rename..."));
 108     rename->setShortcut(Qt::Key_F2);
 109     rename->setIcon(KIcon("edit-rename"));
 110     connect(rename, SIGNAL(triggered()), this, SLOT(slotRename()));
 111
 112     KAction* moveToTrash = m_actionCollection->addAction("move_to_trash");
 113     moveToTrash->setText(i18nc("@action:inmenu File", "Move to Trash"));
 114     moveToTrash->setIcon(KIcon("user-trash"));
 115     moveToTrash->setShortcut(QKeySequence::Delete);
 116     connect(moveToTrash, SIGNAL(triggered(Qt::MouseButtons,Qt::KeyboardModifiers)),
 117             this, SLOT(slotTrashActivated(Qt::MouseButtons,Qt::KeyboardModifiers)));
 118
 119     KAction* deleteAction = m_actionCollection->addAction("delete");
 120     deleteAction->setIcon(KIcon("edit-delete"));
 121     deleteAction->setText(i18nc("@action:inmenu File", "Delete"));
 122     deleteAction->setShortcut(Qt::SHIFT | Qt::Key_Delete);
 123     connect(deleteAction, SIGNAL(triggered()), this, SLOT(slotDeleteItems()));
 124
 125     // This action is useful for being enabled when "move_to_trash" should be
 126     // disabled and "delete" is enabled (e.g. non-local files), so that Key_Del
 127     // can be used for deleting the file (#76016). It needs to be a separate action
 128     // so that the Edit menu isn't affected.
 129     KAction* deleteWithTrashShortcut = m_actionCollection->addAction("delete_shortcut");
 130     // The descriptive text is just for the shortcuts editor.
 131     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
 132     deleteWithTrashShortcut->setShortcut(QKeySequence::Delete);
 133     deleteWithTrashShortcut->setEnabled(false);
 134     connect(deleteWithTrashShortcut, SIGNAL(triggered()), this, SLOT(slotDeleteItems()));
 135
 136     KAction *propertiesAction = m_actionCollection->addAction( "properties" );
 137     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 138     propertiesAction->setText( i18nc("@action:inmenu File", "Properties") );
 139     propertiesAction->setIcon(KIcon("document-properties"));
 140     propertiesAction->setShortcut(Qt::ALT | Qt::Key_Return);
 141     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 142
 143     // View menu
 144     KToggleAction* iconsAction = iconsModeAction();
 145     KToggleAction* compactAction = compactModeAction();
 146     KToggleAction* detailsAction = detailsModeAction();
 147
 148     KSelectAction* viewModeActions = m_actionCollection->add<KSelectAction>("view_mode");
 149     viewModeActions->setText(i18nc("@action:intoolbar", "View Mode"));
 150     viewModeActions->addAction(iconsAction);
 151     viewModeActions->addAction(compactAction);
 152     viewModeActions->addAction(detailsAction);
 153     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 154     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 155
 156     KStandardAction::zoomIn(this,
 157                             SLOT(zoomIn()),
 158                             m_actionCollection);
 159
 160     KStandardAction::zoomOut(this,
 161                              SLOT(zoomOut()),
 162                              m_actionCollection);
 163
 164     KToggleAction* showPreview = m_actionCollection->add<KToggleAction>("show_preview");
 165     showPreview->setText(i18nc("@action:intoolbar", "Preview"));
 166     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 167     showPreview->setIcon(KIcon("view-preview"));
 168     connect(showPreview, SIGNAL(triggered(bool)), this, SLOT(togglePreview(bool)));
 169
 170     KToggleAction* sortDescending = m_actionCollection->add<KToggleAction>("descending");
 171     sortDescending->setText(i18nc("@action:inmenu Sort", "Descending"));
 172     connect(sortDescending, SIGNAL(triggered()), this, SLOT(toggleSortOrder()));
 173
 174     KToggleAction* sortFoldersFirst = m_actionCollection->add<KToggleAction>("folders_first");
 175     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 176     connect(sortFoldersFirst, SIGNAL(triggered()), this, SLOT(toggleSortFoldersFirst()));
 177
 178     // View -> Sort By
 179     QActionGroup* sortByActionGroup = createFileItemRolesActionGroup("sort_by_");
 180
 181     KActionMenu* sortByActionMenu = m_actionCollection->add<KActionMenu>("sort");
 182     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 183     sortByActionMenu->setDelayed(false);
 184
 185     foreach (QAction* action, sortByActionGroup->actions()) {
 186         sortByActionMenu->addAction(action);
 187     }
 188     sortByActionMenu->addSeparator();
 189     sortByActionMenu->addAction(sortDescending);
 190     sortByActionMenu->addAction(sortFoldersFirst);
 191
 192     // View -> Additional Information
 193     QActionGroup* visibleRolesGroup = createFileItemRolesActionGroup("show_");
 194
 195     KActionMenu* visibleRolesMenu = m_actionCollection->add<KActionMenu>("additional_info");
 196     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Additional Information"));
 197     visibleRolesMenu->setDelayed(false);
 198
 199     foreach (QAction* action, visibleRolesGroup->actions()) {
 200         visibleRolesMenu->addAction(action);
 201     }
 202
 203     KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>("show_in_groups");
 204     showInGroups->setIcon(KIcon("view-group"));
 205     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 206     connect(showInGroups, SIGNAL(triggered(bool)), this, SLOT(toggleGroupedSorting(bool)));
 207
 208     KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>("show_hidden_files");
 209     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 210     showHiddenFiles->setShortcuts(QList<QKeySequence>() << Qt::ALT + Qt::Key_Period << Qt::Key_F8);
 211     connect(showHiddenFiles, SIGNAL(triggered(bool)), this, SLOT(toggleShowHiddenFiles(bool)));
 212
 213     KAction* adjustViewProps = m_actionCollection->addAction("view_properties");
 214     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Properties..."));
 215     connect(adjustViewProps, SIGNAL(triggered()), this, SLOT(slotAdjustViewProperties()));
 216 }
 217
 218 QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QString& groupPrefix)
 219 {
 220     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 221     Q_ASSERT(isSortGroup || (!isSortGroup && groupPrefix == QLatin1String("show_")));
 222
 223     QActionGroup* rolesActionGroup = new QActionGroup(m_actionCollection);
 224     rolesActionGroup->setExclusive(isSortGroup);
 225     if (isSortGroup) {
 226         connect(rolesActionGroup, SIGNAL(triggered(QAction*)),
 227                 this, SLOT(slotSortTriggered(QAction*)));
 228     } else {
 229         connect(rolesActionGroup, SIGNAL(triggered(QAction*)),
 230                 this, SLOT(toggleVisibleRole(QAction*)));
 231     }
 232
 233     QString groupName;
 234     KActionMenu* groupMenu = 0;
 235     QActionGroup* groupMenuGroup = 0;
 236
 237     bool nepomukRunning = false;
 238     bool indexingEnabled = false;
 239 #ifdef HAVE_NEPOMUK
 240     nepomukRunning = (Nepomuk::ResourceManager::instance()->init() == 0);
 241     if (nepomukRunning) {
 242         KConfig config("nepomukserverrc");
 243         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", false);
 244     }
 245 #endif
 246
 247     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 248     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 249         if (!isSortGroup && info.role == "text") {
 250             // It should not be possible to hide the "text" role
 251             continue;
 252         }
 253
 254         KToggleAction* action = 0;
 255         const QString name = groupPrefix + info.role;
 256         if (info.group.isEmpty()) {
 257             action = m_actionCollection->add<KToggleAction>(name);
 258             action->setActionGroup(rolesActionGroup);
 259         } else {
 260             if (!groupMenu || info.group != groupName) {
 261                 groupName = info.group;
 262                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 263                 groupMenu->setText(groupName);
 264                 groupMenu->setActionGroup(rolesActionGroup);
 265
 266                 groupMenuGroup = new QActionGroup(groupMenu);
 267                 groupMenuGroup->setExclusive(isSortGroup);
 268                 if (isSortGroup) {
 269                     connect(groupMenuGroup, SIGNAL(triggered(QAction*)),
 270                             this, SLOT(slotSortTriggered(QAction*)));
 271                 } else {
 272                     connect(groupMenuGroup, SIGNAL(triggered(QAction*)),
 273                             this, SLOT(toggleVisibleRole(QAction*)));
 274                 }
 275             }
 276
 277             action = new KToggleAction(groupMenu);
 278             action->setActionGroup(groupMenuGroup);
 279             groupMenu->addAction(action);
 280         }
 281         action->setText(info.translation);
 282         action->setData(info.role);
 283
 284         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 285                             (info.requiresNepomuk && nepomukRunning) ||
 286                             (info.requiresIndexer && indexingEnabled);
 287         action->setEnabled(enable);
 288
 289         if (isSortGroup) {
 290             m_sortByActions.insert(info.role, action);
 291         } else {
 292             m_visibleRoles.insert(info.role, action);
 293         }
 294     }
 295
 296     return rolesActionGroup;
 297 }
 298
 299 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction* action)
 300 {
 301     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 302     m_currentView->setMode(mode);
 303
 304     QAction* viewModeMenu = m_actionCollection->action("view_mode");
 305     viewModeMenu->setIcon(KIcon(action->icon()));
 306 }
 307
 308 void DolphinViewActionHandler::slotRename()
 309 {
 310     emit actionBeingHandled();
 311     m_currentView->renameSelectedItems();
 312 }
 313
 314 void DolphinViewActionHandler::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 315 {
 316     emit actionBeingHandled();
 317     // Note: kde3's konq_mainwindow.cpp used to check
 318     // reason == KAction::PopupMenuActivation && ...
 319     // but this isn't supported anymore
 320     if (modifiers & Qt::ShiftModifier) {
 321         m_currentView->deleteSelectedItems();
 322     } else {
 323         m_currentView->trashSelectedItems();
 324     }
 325 }
 326
 327 void DolphinViewActionHandler::slotDeleteItems()
 328 {
 329     emit actionBeingHandled();
 330     m_currentView->deleteSelectedItems();
 331 }
 332
 333 void DolphinViewActionHandler::togglePreview(bool show)
 334 {
 335     emit actionBeingHandled();
 336     m_currentView->setPreviewsShown(show);
 337 }
 338
 339 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 340 {
 341     Q_UNUSED(shown);
 342     // It is not enough to update the 'Show Preview' action, also
 343     // the 'Zoom In' and 'Zoom Out' actions must be adapted.
 344     updateViewActions();
 345 }
 346
 347 QString DolphinViewActionHandler::currentViewModeActionName() const
 348 {
 349     switch (m_currentView->mode()) {
 350     case DolphinView::IconsView:
 351         return "icons";
 352     case DolphinView::DetailsView:
 353         return "details";
 354     case DolphinView::CompactView:
 355         return "compact";
 356     default:
 357         Q_ASSERT(false);
 358         break;
 359     }
 360     return QString(); // can't happen
 361 }
 362
 363 KActionCollection* DolphinViewActionHandler::actionCollection()
 364 {
 365     return m_actionCollection;
 366 }
 367
 368 void DolphinViewActionHandler::updateViewActions()
 369 {
 370     QAction* viewModeAction = m_actionCollection->action(currentViewModeActionName());
 371     if (viewModeAction) {
 372         viewModeAction->setChecked(true);
 373
 374         QAction* viewModeMenu = m_actionCollection->action("view_mode");
 375         viewModeMenu->setIcon(KIcon(viewModeAction->icon()));
 376     }
 377
 378     QAction* showPreviewAction = m_actionCollection->action("show_preview");
 379     showPreviewAction->setChecked(m_currentView->previewsShown());
 380
 381     slotSortOrderChanged(m_currentView->sortOrder());
 382     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 383     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 384     slotGroupedSortingChanged(m_currentView->groupedSorting());
 385     slotSortRoleChanged(m_currentView->sortRole());
 386     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 387
 388     QAction* showHiddenFilesAction = m_actionCollection->action("show_hidden_files");
 389     showHiddenFilesAction->setChecked(m_currentView->hiddenFilesShown());
 390 }
 391
 392 void DolphinViewActionHandler::zoomIn()
 393 {
 394     const int level = m_currentView->zoomLevel();
 395     m_currentView->setZoomLevel(level + 1);
 396     updateViewActions();
 397 }
 398
 399 void DolphinViewActionHandler::zoomOut()
 400 {
 401     const int level = m_currentView->zoomLevel();
 402     m_currentView->setZoomLevel(level - 1);
 403     updateViewActions();
 404 }
 405
 406 void DolphinViewActionHandler::toggleSortOrder()
 407 {
 408     const Qt::SortOrder order = (m_currentView->sortOrder() == Qt::AscendingOrder) ?
 409                                 Qt::DescendingOrder :
 410                                 Qt::AscendingOrder;
 411     m_currentView->setSortOrder(order);
 412 }
 413
 414 void DolphinViewActionHandler::toggleSortFoldersFirst()
 415 {
 416     const bool sortFirst = m_currentView->sortFoldersFirst();
 417     m_currentView->setSortFoldersFirst(!sortFirst);
 418 }
 419
 420 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 421 {
 422     QAction* descending = m_actionCollection->action("descending");
 423     const bool sortDescending = (order == Qt::DescendingOrder);
 424     descending->setChecked(sortDescending);
 425 }
 426
 427 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 428 {
 429     m_actionCollection->action("folders_first")->setChecked(foldersFirst);
 430 }
 431
 432 void DolphinViewActionHandler::toggleVisibleRole(QAction* action)
 433 {
 434     emit actionBeingHandled();
 435
 436     const QByteArray toggledRole = action->data().toByteArray();
 437
 438     QList<QByteArray> roles = m_currentView->visibleRoles();
 439
 440     const bool show = action->isChecked();
 441
 442     const int index = roles.indexOf(toggledRole);
 443     const bool containsInfo = (index >= 0);
 444     if (show && !containsInfo) {
 445         roles.append(toggledRole);
 446         m_currentView->setVisibleRoles(roles);
 447     } else if (!show && containsInfo) {
 448         roles.removeAt(index);
 449         m_currentView->setVisibleRoles(roles);
 450         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 451     }
 452 }
 453
 454 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray>& current,
 455                                                        const QList<QByteArray>& previous)
 456 {
 457     Q_UNUSED(previous);
 458
 459     const QSet<QByteArray> checkedRoles = current.toSet();
 460     QHashIterator<QByteArray, KToggleAction*> it(m_visibleRoles);
 461     while (it.hasNext()) {
 462         it.next();
 463         const QByteArray& role = it.key();
 464         KToggleAction* action = it.value();
 465         action->setChecked(checkedRoles.contains(role));
 466     }
 467 }
 468
 469 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 470 {
 471     m_currentView->setGroupedSorting(grouped);
 472 }
 473
 474 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 475 {
 476     QAction* showInGroupsAction = m_actionCollection->action("show_in_groups");
 477     showInGroupsAction->setChecked(groupedSorting);
 478 }
 479
 480 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 481 {
 482     emit actionBeingHandled();
 483     m_currentView->setHiddenFilesShown(show);
 484 }
 485
 486 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 487 {
 488     QAction* showHiddenFilesAction = m_actionCollection->action("show_hidden_files");
 489     showHiddenFilesAction->setChecked(shown);
 490 }
 491
 492 KToggleAction* DolphinViewActionHandler::iconsModeAction()
 493 {
 494     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>("icons");
 495     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 496     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 497     iconsView->setShortcut(Qt::CTRL | Qt::Key_1);
 498     iconsView->setIcon(KIcon("view-list-icons"));
 499     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 500     return iconsView;
 501 }
 502
 503 KToggleAction* DolphinViewActionHandler::compactModeAction()
 504 {
 505     KToggleAction* iconsView = m_actionCollection->add<KToggleAction>("compact");
 506     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 507     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 508     iconsView->setShortcut(Qt::CTRL | Qt::Key_2);
 509     iconsView->setIcon(KIcon("view-list-details")); // TODO: discuss with Oxygen-team the wrong (?) name
 510     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 511     return iconsView;
 512 }
 513
 514 KToggleAction* DolphinViewActionHandler::detailsModeAction()
 515 {
 516     KToggleAction* detailsView = m_actionCollection->add<KToggleAction>("details");
 517     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 518     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 519     detailsView->setShortcut(Qt::CTRL | Qt::Key_3);
 520     detailsView->setIcon(KIcon("view-list-tree"));
 521     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 522     return detailsView;
 523 }
 524
 525 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray& role)
 526 {
 527     KToggleAction* action = m_sortByActions.value(role);
 528     if (action) {
 529         action->setChecked(true);
 530
 531         QAction* sortByMenu =  m_actionCollection->action("sort");
 532         sortByMenu->setIcon(KIcon(action->icon()));
 533     }
 534 }
 535
 536 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 537 {
 538     Q_UNUSED(previous);
 539
 540     QAction* zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 541     if (zoomInAction) {
 542         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 543     }
 544
 545     QAction* zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 546     if (zoomOutAction) {
 547         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 548     }
 549 }
 550
 551 void DolphinViewActionHandler::slotSortTriggered(QAction* action)
 552 {
 553     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 554     // and several sub-menus. Because of this they don't have a common
 555     // action-group that assures an exclusive toggle-state between the main-menu
 556     // actions and the sub-menu-actions. If an action gets checked, it must
 557     // be assured that all other actions get unchecked.
 558     QAction* sortByMenu =  m_actionCollection->action("sort");
 559     foreach (QAction* groupAction, sortByMenu->menu()->actions()) {
 560         KActionMenu* actionMenu = qobject_cast<KActionMenu*>(groupAction);
 561         if (actionMenu) {
 562             foreach (QAction* subAction, actionMenu->menu()->actions()) {
 563                 subAction->setChecked(false);
 564             }
 565         } else if (groupAction->actionGroup()) {
 566             groupAction->setChecked(false);
 567         }
 568     }
 569     action->setChecked(true);
 570
 571     // Apply the activated sort-role to the view
 572     const QByteArray role = action->data().toByteArray();
 573     m_currentView->setSortRole(role);
 574 }
 575
 576 void DolphinViewActionHandler::slotAdjustViewProperties()
 577 {
 578     emit actionBeingHandled();
 579     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 580     dialog->exec();
 581     delete dialog;
 582 }
 583
 584 void DolphinViewActionHandler::slotProperties()
 585 {
 586     KPropertiesDialog* dialog = 0;
 587     const KFileItemList list = m_currentView->selectedItems();
 588     if (list.isEmpty()) {
 589         const KUrl url = m_currentView->url();
 590         dialog = new KPropertiesDialog(url, m_currentView);
 591     } else {
 592         dialog = new KPropertiesDialog(list, m_currentView);
 593     }
 594
 595     dialog->setAttribute(Qt::WA_DeleteOnClose);
 596     dialog->show();
 597     dialog->raise();
 598     dialog->activateWindow();
 599 }