src/views/dolphinview.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinview.h"
   9
  10 #include "dolphin_detailsmodesettings.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphinitemlistview.h"
  13 #include "dolphinnewfilemenuobserver.h"
  14 #include "draganddrophelper.h"
  15 #include "kitemviews/kfileitemlistview.h"
  16 #include "kitemviews/kfileitemmodel.h"
  17 #include "kitemviews/kitemlistcontainer.h"
  18 #include "kitemviews/kitemlistcontroller.h"
  19 #include "kitemviews/kitemlistheader.h"
  20 #include "kitemviews/kitemlistselectionmanager.h"
  21 #include "versioncontrol/versioncontrolobserver.h"
  22 #include "viewproperties.h"
  23 #include "views/tooltips/tooltipmanager.h"
  24 #include "zoomlevelinfo.h"
  25
  26 #ifdef HAVE_BALOO
  27 #include <Baloo/IndexerConfig>
  28 #endif
  29 #include <KColorScheme>
  30 #include <KDesktopFile>
  31 #include <KDirModel>
  32 #include <KFileItemListProperties>
  33 #include <KFormat>
  34 #include <KIO/CopyJob>
  35 #include <KIO/DeleteJob>
  36 #include <KIO/DropJob>
  37 #include <KIO/JobUiDelegate>
  38 #include <KIO/Paste>
  39 #include <KIO/PasteJob>
  40 #include <KIO/PreviewJob>
  41 #include <KIO/RenameFileDialog>
  42 #include <KJobWidgets>
  43 #include <KLocalizedString>
  44 #include <KMessageBox>
  45 #include <KProtocolManager>
  46
  47 #include <QAbstractItemView>
  48 #include <QApplication>
  49 #include <QClipboard>
  50 #include <QDropEvent>
  51 #include <QGraphicsOpacityEffect>
  52 #include <QGraphicsSceneDragDropEvent>
  53 #include <QLabel>
  54 #include <QMenu>
  55 #include <QMimeDatabase>
  56 #include <QPixmapCache>
  57 #include <QPointer>
  58 #include <QScrollBar>
  59 #include <QSize>
  60 #include <QTimer>
  61 #include <QVBoxLayout>
  62
  63 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  64     QWidget(parent),
  65     m_active(true),
  66     m_tabsForFiles(false),
  67     m_assureVisibleCurrentIndex(false),
  68     m_isFolderWritable(true),
  69     m_dragging(false),
  70     m_loading(false),
  71     m_url(url),
  72     m_viewPropertiesContext(),
  73     m_mode(DolphinView::IconsView),
  74     m_visibleRoles(),
  75     m_topLayout(nullptr),
  76     m_model(nullptr),
  77     m_view(nullptr),
  78     m_container(nullptr),
  79     m_toolTipManager(nullptr),
  80     m_selectionChangedTimer(nullptr),
  81     m_currentItemUrl(),
  82     m_scrollToCurrentItem(false),
  83     m_restoredContentsPosition(),
  84     m_selectedUrls(),
  85     m_clearSelectionBeforeSelectingNewItems(false),
  86     m_markFirstNewlySelectedItemAsCurrent(false),
  87     m_versionControlObserver(nullptr),
  88     m_twoClicksRenamingTimer(nullptr),
  89     m_placeholderLabel(nullptr)
  90 {
  91     m_topLayout = new QVBoxLayout(this);
  92     m_topLayout->setSpacing(0);
  93     m_topLayout->setContentsMargins(0, 0, 0, 0);
  94
  95     // When a new item has been created by the "Create New..." menu, the item should
  96     // get selected and it must be assured that the item will get visible. As the
  97     // creation is done asynchronously, several signals must be checked:
  98     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
  99             this, &DolphinView::observeCreatedItem);
 100
 101     m_selectionChangedTimer = new QTimer(this);
 102     m_selectionChangedTimer->setSingleShot(true);
 103     m_selectionChangedTimer->setInterval(300);
 104     connect(m_selectionChangedTimer, &QTimer::timeout,
 105             this, &DolphinView::emitSelectionChangedSignal);
 106
 107     m_model = new KFileItemModel(this);
 108     m_view = new DolphinItemListView();
 109     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 110     m_view->setVisibleRoles({"text"});
 111     applyModeToView();
 112
 113     KItemListController* controller = new KItemListController(m_model, m_view, this);
 114     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 115     controller->setAutoActivationDelay(delay);
 116
 117     // The EnlargeSmallPreviews setting can only be changed after the model
 118     // has been set in the view by KItemListController.
 119     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 120
 121     m_container = new KItemListContainer(controller, this);
 122     m_container->installEventFilter(this);
 123     setFocusProxy(m_container);
 124     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 125     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 126
 127     // Show some placeholder text for empty folders
 128     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 129     // because KTitleWidget can't be told to turn off mouse-selectable text
 130     m_placeholderLabel = new QLabel(this);
 131     QFont placeholderLabelFont;
 132     // To match the size of a level 2 Heading/KTitleWidget
 133     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 134     m_placeholderLabel->setFont(placeholderLabelFont);
 135     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 136     m_placeholderLabel->setWordWrap(true);
 137     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 138     // Match opacity of QML placeholder label component
 139     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 140     effect->setOpacity(0.5);
 141     m_placeholderLabel->setGraphicsEffect(effect);
 142     // Set initial text and visibility
 143     updatePlaceholderLabel();
 144
 145     auto *centeringLayout = new QVBoxLayout(m_container);
 146     centeringLayout->addWidget(m_placeholderLabel);
 147     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 148
 149     controller->setSelectionBehavior(KItemListController::MultiSelection);
 150     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 151     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 152     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 153     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 154     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 155     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 156     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 157     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 158     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 159     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 160     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 161     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 162     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 163     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 164     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 165     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 166
 167     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 168     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 169     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::slotDirectoryLoadingCanceled);
 170     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 171     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 172     connect(m_model, &KFileItemModel::itemsChanged,
 173             this, &DolphinView::slotItemsChanged);
 174     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 175     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 176     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 177     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 178     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 179     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 180
 181     connect(this, &DolphinView::itemCountChanged,
 182             this, &DolphinView::updatePlaceholderLabel);
 183
 184     m_view->installEventFilter(this);
 185     connect(m_view, &DolphinItemListView::sortOrderChanged,
 186             this, &DolphinView::slotSortOrderChangedByHeader);
 187     connect(m_view, &DolphinItemListView::sortRoleChanged,
 188             this, &DolphinView::slotSortRoleChangedByHeader);
 189     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 190             this, &DolphinView::slotVisibleRolesChangedByHeader);
 191     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 192             this, &DolphinView::slotRoleEditingCanceled);
 193     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 194             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 195
 196     KItemListSelectionManager* selectionManager = controller->selectionManager();
 197     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 198             this, &DolphinView::slotSelectionChanged);
 199
 200 #ifdef HAVE_BALOO
 201     m_toolTipManager = new ToolTipManager(this);
 202     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 203 #endif
 204
 205     m_versionControlObserver = new VersionControlObserver(this);
 206     m_versionControlObserver->setView(this);
 207     m_versionControlObserver->setModel(m_model);
 208     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 209     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 210     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 211
 212     m_twoClicksRenamingTimer = new QTimer(this);
 213     m_twoClicksRenamingTimer->setSingleShot(true);
 214     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 215
 216     applyViewProperties();
 217     m_topLayout->addWidget(m_container);
 218
 219     loadDirectory(url);
 220 }
 221
 222 DolphinView::~DolphinView()
 223 {
 224 }
 225
 226 QUrl DolphinView::url() const
 227 {
 228     return m_url;
 229 }
 230
 231 void DolphinView::setActive(bool active)
 232 {
 233     if (active == m_active) {
 234         return;
 235     }
 236
 237     m_active = active;
 238
 239     updatePalette();
 240
 241     if (active) {
 242         m_container->setFocus();
 243         Q_EMIT activated();
 244         Q_EMIT writeStateChanged(m_isFolderWritable);
 245     }
 246 }
 247
 248 bool DolphinView::isActive() const
 249 {
 250     return m_active;
 251 }
 252
 253 void DolphinView::setMode(Mode mode)
 254 {
 255     if (mode != m_mode) {
 256         ViewProperties props(viewPropertiesUrl());
 257         props.setViewMode(mode);
 258
 259         // We pass the new ViewProperties to applyViewProperties, rather than
 260         // storing them on disk and letting applyViewProperties() read them
 261         // from there, to prevent that changing the view mode fails if the
 262         // .directory file is not writable (see bug 318534).
 263         applyViewProperties(props);
 264     }
 265 }
 266
 267 DolphinView::Mode DolphinView::mode() const
 268 {
 269     return m_mode;
 270 }
 271
 272 void DolphinView::setPreviewsShown(bool show)
 273 {
 274     if (previewsShown() == show) {
 275         return;
 276     }
 277
 278     ViewProperties props(viewPropertiesUrl());
 279     props.setPreviewsShown(show);
 280
 281     const int oldZoomLevel = m_view->zoomLevel();
 282     m_view->setPreviewsShown(show);
 283     Q_EMIT previewsShownChanged(show);
 284
 285     const int newZoomLevel = m_view->zoomLevel();
 286     if (newZoomLevel != oldZoomLevel) {
 287         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 288     }
 289 }
 290
 291 bool DolphinView::previewsShown() const
 292 {
 293     return m_view->previewsShown();
 294 }
 295
 296 void DolphinView::setHiddenFilesShown(bool show)
 297 {
 298     if (m_model->showHiddenFiles() == show) {
 299         return;
 300     }
 301
 302     const KFileItemList itemList = selectedItems();
 303     m_selectedUrls.clear();
 304     m_selectedUrls = itemList.urlList();
 305
 306     ViewProperties props(viewPropertiesUrl());
 307     props.setHiddenFilesShown(show);
 308
 309     m_model->setShowHiddenFiles(show);
 310     Q_EMIT hiddenFilesShownChanged(show);
 311 }
 312
 313 bool DolphinView::hiddenFilesShown() const
 314 {
 315     return m_model->showHiddenFiles();
 316 }
 317
 318 void DolphinView::setGroupedSorting(bool grouped)
 319 {
 320     if (grouped == groupedSorting()) {
 321         return;
 322     }
 323
 324     ViewProperties props(viewPropertiesUrl());
 325     props.setGroupedSorting(grouped);
 326     props.save();
 327
 328     m_container->controller()->model()->setGroupedSorting(grouped);
 329
 330     Q_EMIT groupedSortingChanged(grouped);
 331 }
 332
 333 bool DolphinView::groupedSorting() const
 334 {
 335     return m_model->groupedSorting();
 336 }
 337
 338 KFileItemList DolphinView::items() const
 339 {
 340     KFileItemList list;
 341     const int itemCount = m_model->count();
 342     list.reserve(itemCount);
 343
 344     for (int i = 0; i < itemCount; ++i) {
 345         list.append(m_model->fileItem(i));
 346     }
 347
 348     return list;
 349 }
 350
 351 int DolphinView::itemsCount() const
 352 {
 353     return m_model->count();
 354 }
 355
 356 KFileItemList DolphinView::selectedItems() const
 357 {
 358     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 359
 360     KFileItemList selectedItems;
 361     const auto items = selectionManager->selectedItems();
 362     selectedItems.reserve(items.count());
 363     for (int index : items) {
 364         selectedItems.append(m_model->fileItem(index));
 365     }
 366     return selectedItems;
 367 }
 368
 369 int DolphinView::selectedItemsCount() const
 370 {
 371     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 372     return selectionManager->selectedItems().count();
 373 }
 374
 375 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 376 {
 377     m_selectedUrls = urls;
 378 }
 379
 380 void DolphinView::markUrlAsCurrent(const QUrl &url)
 381 {
 382     m_currentItemUrl = url;
 383     m_scrollToCurrentItem = true;
 384 }
 385
 386 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 387 {
 388     const KItemListSelectionManager::SelectionMode mode = enabled
 389                                                         ? KItemListSelectionManager::Select
 390                                                         : KItemListSelectionManager::Deselect;
 391     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 392
 393     for (int index = 0; index < m_model->count(); index++) {
 394         const KFileItem item = m_model->fileItem(index);
 395         if (regexp.match(item.text()).hasMatch()) {
 396             // An alternative approach would be to store the matching items in a KItemSet and
 397             // select them in one go after the loop, but we'd need a new function
 398             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 399             // for that.
 400             selectionManager->setSelected(index, 1, mode);
 401         }
 402     }
 403 }
 404
 405 void DolphinView::setZoomLevel(int level)
 406 {
 407     const int oldZoomLevel = zoomLevel();
 408     m_view->setZoomLevel(level);
 409     if (zoomLevel() != oldZoomLevel) {
 410         hideToolTip();
 411         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 412     }
 413 }
 414
 415 int DolphinView::zoomLevel() const
 416 {
 417     return m_view->zoomLevel();
 418 }
 419
 420 void DolphinView::setSortRole(const QByteArray& role)
 421 {
 422     if (role != sortRole()) {
 423         updateSortRole(role);
 424     }
 425 }
 426
 427 QByteArray DolphinView::sortRole() const
 428 {
 429     const KItemModelBase* model = m_container->controller()->model();
 430     return model->sortRole();
 431 }
 432
 433 void DolphinView::setSortOrder(Qt::SortOrder order)
 434 {
 435     if (sortOrder() != order) {
 436         updateSortOrder(order);
 437     }
 438 }
 439
 440 Qt::SortOrder DolphinView::sortOrder() const
 441 {
 442     return m_model->sortOrder();
 443 }
 444
 445 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 446 {
 447     if (sortFoldersFirst() != foldersFirst) {
 448         updateSortFoldersFirst(foldersFirst);
 449     }
 450 }
 451
 452 bool DolphinView::sortFoldersFirst() const
 453 {
 454     return m_model->sortDirectoriesFirst();
 455 }
 456
 457 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 458 {
 459     const QList<QByteArray> previousRoles = roles;
 460
 461     ViewProperties props(viewPropertiesUrl());
 462     props.setVisibleRoles(roles);
 463
 464     m_visibleRoles = roles;
 465     m_view->setVisibleRoles(roles);
 466
 467     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 468 }
 469
 470 QList<QByteArray> DolphinView::visibleRoles() const
 471 {
 472     return m_visibleRoles;
 473 }
 474
 475 void DolphinView::reload()
 476 {
 477     QByteArray viewState;
 478     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 479     saveState(saveStream);
 480
 481     setUrl(url());
 482     loadDirectory(url(), true);
 483
 484     QDataStream restoreStream(viewState);
 485     restoreState(restoreStream);
 486 }
 487
 488 void DolphinView::readSettings()
 489 {
 490     const int oldZoomLevel = m_view->zoomLevel();
 491
 492     GeneralSettings::self()->load();
 493     m_view->readSettings();
 494     applyViewProperties();
 495
 496     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 497     m_container->controller()->setAutoActivationDelay(delay);
 498
 499     const int newZoomLevel = m_view->zoomLevel();
 500     if (newZoomLevel != oldZoomLevel) {
 501         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 502     }
 503 }
 504
 505 void DolphinView::writeSettings()
 506 {
 507     GeneralSettings::self()->save();
 508     m_view->writeSettings();
 509 }
 510
 511 void DolphinView::setNameFilter(const QString& nameFilter)
 512 {
 513     m_model->setNameFilter(nameFilter);
 514 }
 515
 516 QString DolphinView::nameFilter() const
 517 {
 518     return m_model->nameFilter();
 519 }
 520
 521 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 522 {
 523     return m_model->setMimeTypeFilters(filters);
 524 }
 525
 526 QStringList DolphinView::mimeTypeFilters() const
 527 {
 528     return m_model->mimeTypeFilters();
 529 }
 530
 531 QString DolphinView::statusBarText() const
 532 {
 533     QString summary;
 534     QString foldersText;
 535     QString filesText;
 536
 537     int folderCount = 0;
 538     int fileCount = 0;
 539     KIO::filesize_t totalFileSize = 0;
 540
 541     if (m_container->controller()->selectionManager()->hasSelection()) {
 542         // Give a summary of the status of the selected files
 543         const KFileItemList list = selectedItems();
 544         for (const KFileItem& item : list) {
 545             if (item.isDir()) {
 546                 ++folderCount;
 547             } else {
 548                 ++fileCount;
 549                 totalFileSize += item.size();
 550             }
 551         }
 552
 553         if (folderCount + fileCount == 1) {
 554             // If only one item is selected, show info about it
 555             return list.first().getStatusBarInfo();
 556         } else {
 557             // At least 2 items are selected
 558             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 559             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 560         }
 561     } else {
 562         calculateItemCount(fileCount, folderCount, totalFileSize);
 563         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 564         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 565     }
 566
 567     if (fileCount > 0 && folderCount > 0) {
 568         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 569                         foldersText, filesText,
 570                         KFormat().formatByteSize(totalFileSize));
 571     } else if (fileCount > 0) {
 572         summary = i18nc("@info:status files (size)", "%1 (%2)",
 573                         filesText,
 574                         KFormat().formatByteSize(totalFileSize));
 575     } else if (folderCount > 0) {
 576         summary = foldersText;
 577     } else {
 578         summary = i18nc("@info:status", "0 Folders, 0 Files");
 579     }
 580
 581     return summary;
 582 }
 583
 584 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 585 {
 586     QList<QAction*> actions;
 587
 588     if (items.isEmpty()) {
 589         const KFileItem item = m_model->rootItem();
 590         if (!item.isNull()) {
 591             actions = m_versionControlObserver->actions(KFileItemList() << item);
 592         }
 593     } else {
 594         actions = m_versionControlObserver->actions(items);
 595     }
 596
 597     return actions;
 598 }
 599
 600 void DolphinView::setUrl(const QUrl& url)
 601 {
 602     if (url == m_url) {
 603         return;
 604     }
 605
 606     clearSelection();
 607
 608     m_url = url;
 609
 610     hideToolTip();
 611
 612     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 613                this, &DolphinView::slotRoleEditingFinished);
 614
 615     // It is important to clear the items from the model before
 616     // applying the view properties, otherwise expensive operations
 617     // might be done on the existing items although they get cleared
 618     // anyhow afterwards by loadDirectory().
 619     m_model->clear();
 620     applyViewProperties();
 621     loadDirectory(url);
 622
 623     Q_EMIT urlChanged(url);
 624 }
 625
 626 void DolphinView::selectAll()
 627 {
 628     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 629     selectionManager->setSelected(0, m_model->count());
 630 }
 631
 632 void DolphinView::invertSelection()
 633 {
 634     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 635     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 636 }
 637
 638 void DolphinView::clearSelection()
 639 {
 640     m_selectedUrls.clear();
 641     m_container->controller()->selectionManager()->clearSelection();
 642 }
 643
 644 void DolphinView::renameSelectedItems()
 645 {
 646     const KFileItemList items = selectedItems();
 647     if (items.isEmpty()) {
 648         return;
 649     }
 650
 651     if (items.count() == 1 && GeneralSettings::renameInline()) {
 652         const int index = m_model->index(items.first());
 653         m_view->editRole(index, "text");
 654
 655         hideToolTip();
 656
 657         connect(m_view, &DolphinItemListView::roleEditingFinished,
 658                 this, &DolphinView::slotRoleEditingFinished);
 659     } else {
 660         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 661         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 662                 this, &DolphinView::slotRenameDialogRenamingFinished);
 663
 664         dialog->open();
 665     }
 666
 667     // Assure that the current index remains visible when KFileItemModel
 668     // will notify the view about changed items (which might result in
 669     // a changed sorting).
 670     m_assureVisibleCurrentIndex = true;
 671 }
 672
 673 void DolphinView::trashSelectedItems()
 674 {
 675     const QList<QUrl> list = simplifiedSelectedUrls();
 676     KIO::JobUiDelegate uiDelegate;
 677     uiDelegate.setWindow(window());
 678     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 679         KIO::Job* job = KIO::trash(list);
 680         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 681         KJobWidgets::setWindow(job, this);
 682         connect(job, &KIO::Job::result,
 683                 this, &DolphinView::slotTrashFileFinished);
 684     }
 685 }
 686
 687 void DolphinView::deleteSelectedItems()
 688 {
 689     const QList<QUrl> list = simplifiedSelectedUrls();
 690
 691     KIO::JobUiDelegate uiDelegate;
 692     uiDelegate.setWindow(window());
 693     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 694         KIO::Job* job = KIO::del(list);
 695         KJobWidgets::setWindow(job, this);
 696         connect(job, &KIO::Job::result,
 697                 this, &DolphinView::slotDeleteFileFinished);
 698     }
 699 }
 700
 701 void DolphinView::cutSelectedItemsToClipboard()
 702 {
 703     QMimeData* mimeData = selectionMimeData();
 704     KIO::setClipboardDataCut(mimeData, true);
 705     QApplication::clipboard()->setMimeData(mimeData);
 706 }
 707
 708 void DolphinView::copySelectedItemsToClipboard()
 709 {
 710     QMimeData* mimeData = selectionMimeData();
 711     QApplication::clipboard()->setMimeData(mimeData);
 712 }
 713
 714 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 715 {
 716     KIO::CopyJob* job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 717     KJobWidgets::setWindow(job, this);
 718
 719     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 720     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 721     KIO::FileUndoManager::self()->recordCopyJob(job);
 722 }
 723
 724 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 725 {
 726     KIO::CopyJob* job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 727     KJobWidgets::setWindow(job, this);
 728
 729     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 730     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 731     KIO::FileUndoManager::self()->recordCopyJob(job);
 732
 733 }
 734
 735 void DolphinView::paste()
 736 {
 737     pasteToUrl(url());
 738 }
 739
 740 void DolphinView::pasteIntoFolder()
 741 {
 742     const KFileItemList items = selectedItems();
 743     if ((items.count() == 1) && items.first().isDir()) {
 744         pasteToUrl(items.first().url());
 745     }
 746 }
 747
 748 void DolphinView::duplicateSelectedItems()
 749 {
 750     const KFileItemList itemList = selectedItems();
 751     if (itemList.isEmpty()) {
 752         return;
 753     }
 754
 755     const QMimeDatabase db;
 756
 757     // Duplicate all selected items and append "copy" to the end of the file name
 758     // but before the filename extension, if present
 759     QList<QUrl> newSelection;
 760     for (const auto &item : itemList) {
 761         const QUrl originalURL  = item.url();
 762         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 763         const QString originalFileName = item.name();
 764
 765         QString extension = db.suffixForFileName(originalFileName);
 766
 767         QUrl duplicateURL = originalURL;
 768
 769         // No extension; new filename is "<oldfilename> copy"
 770         if (extension.isEmpty()) {
 771             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 772         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 773         } else {
 774             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 775             extension = QLatin1String(".") + extension;
 776             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 777             // Preserve file's original filename extension in case the casing differs
 778             // from what QMimeDatabase::suffixForFileName() returned
 779             const QString originalExtension = originalFileName.right(extension.size());
 780             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 781         }
 782
 783         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL);
 784         KJobWidgets::setWindow(job, this);
 785
 786         if (job) {
 787             newSelection << duplicateURL;
 788             KIO::FileUndoManager::self()->recordCopyJob(job);
 789         }
 790     }
 791
 792     forceUrlsSelection(newSelection.first(), newSelection);
 793 }
 794
 795 void DolphinView::stopLoading()
 796 {
 797     m_model->cancelDirectoryLoading();
 798 }
 799
 800 void DolphinView::updatePalette()
 801 {
 802     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 803     if (!m_active) {
 804         color.setAlpha(150);
 805     }
 806
 807     QWidget* viewport = m_container->viewport();
 808     if (viewport) {
 809         QPalette palette;
 810         palette.setColor(viewport->backgroundRole(), color);
 811         viewport->setPalette(palette);
 812     }
 813
 814     update();
 815 }
 816
 817 void DolphinView::abortTwoClicksRenaming()
 818 {
 819     m_twoClicksRenamingItemUrl.clear();
 820     m_twoClicksRenamingTimer->stop();
 821 }
 822
 823 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 824 {
 825     switch (event->type()) {
 826     case QEvent::PaletteChange:
 827         updatePalette();
 828         QPixmapCache::clear();
 829         break;
 830
 831     case QEvent::WindowActivate:
 832     case QEvent::WindowDeactivate:
 833         updatePalette();
 834         break;
 835
 836     case QEvent::KeyPress:
 837         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 838         if (GeneralSettings::useTabForSwitchingSplitView()) {
 839             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 840             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 841                 Q_EMIT toggleActiveViewRequested();
 842                 return true;
 843             }
 844         }
 845         break;
 846     case QEvent::FocusIn:
 847         if (watched == m_container) {
 848             setActive(true);
 849         }
 850         break;
 851
 852     case QEvent::GraphicsSceneDragEnter:
 853         if (watched == m_view) {
 854             m_dragging = true;
 855             abortTwoClicksRenaming();
 856         }
 857         break;
 858
 859     case QEvent::GraphicsSceneDragLeave:
 860         if (watched == m_view) {
 861             m_dragging = false;
 862         }
 863         break;
 864
 865     case QEvent::GraphicsSceneDrop:
 866         if (watched == m_view) {
 867             m_dragging = false;
 868         }
 869     default:
 870         break;
 871     }
 872
 873     return QWidget::eventFilter(watched, event);
 874 }
 875
 876 void DolphinView::wheelEvent(QWheelEvent* event)
 877 {
 878     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 879         const QPoint numDegrees = event->angleDelta() / 8;
 880         const QPoint numSteps = numDegrees / 15;
 881
 882         setZoomLevel(zoomLevel() + numSteps.y());
 883         event->accept();
 884     } else {
 885         event->ignore();
 886     }
 887 }
 888
 889 void DolphinView::hideEvent(QHideEvent* event)
 890 {
 891     hideToolTip();
 892     QWidget::hideEvent(event);
 893 }
 894
 895 bool DolphinView::event(QEvent* event)
 896 {
 897     if (event->type() == QEvent::WindowDeactivate) {
 898         /* See Bug 297355
 899          * Dolphin leaves file preview tooltips open even when is not visible.
 900          *
 901          * Hide tool-tip when Dolphin loses focus.
 902          */
 903         hideToolTip();
 904         abortTwoClicksRenaming();
 905     }
 906
 907     return QWidget::event(event);
 908 }
 909
 910 void DolphinView::activate()
 911 {
 912     setActive(true);
 913 }
 914
 915 void DolphinView::slotItemActivated(int index)
 916 {
 917     abortTwoClicksRenaming();
 918
 919     const KFileItem item = m_model->fileItem(index);
 920     if (!item.isNull()) {
 921         Q_EMIT itemActivated(item);
 922     }
 923 }
 924
 925 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 926 {
 927     Q_ASSERT(indexes.count() >= 2);
 928
 929     abortTwoClicksRenaming();
 930
 931     if (indexes.count() > 5) {
 932         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 933         const int answer = KMessageBox::warningYesNo(this, question);
 934         if (answer != KMessageBox::Yes) {
 935             return;
 936         }
 937     }
 938
 939     KFileItemList items;
 940     items.reserve(indexes.count());
 941
 942     for (int index : indexes) {
 943         KFileItem item = m_model->fileItem(index);
 944         const QUrl& url = openItemAsFolderUrl(item);
 945
 946         if (!url.isEmpty()) { // Open folders in new tabs
 947             Q_EMIT tabRequested(url);
 948         } else {
 949             items.append(item);
 950         }
 951     }
 952
 953     if (items.count() == 1) {
 954         Q_EMIT itemActivated(items.first());
 955     } else if (items.count() > 1) {
 956         Q_EMIT itemsActivated(items);
 957     }
 958 }
 959
 960 void DolphinView::slotItemMiddleClicked(int index)
 961 {
 962     const KFileItem& item = m_model->fileItem(index);
 963     const QUrl& url = openItemAsFolderUrl(item);
 964     if (!url.isEmpty()) {
 965         Q_EMIT tabRequested(url);
 966     } else if (isTabsForFilesEnabled()) {
 967         Q_EMIT tabRequested(item.url());
 968     }
 969 }
 970
 971 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 972 {
 973     // Force emit of a selection changed signal before we request the
 974     // context menu, to update the edit-actions first. (See Bug 294013)
 975     if (m_selectionChangedTimer->isActive()) {
 976         emitSelectionChangedSignal();
 977     }
 978
 979     const KFileItem item = m_model->fileItem(index);
 980     Q_EMIT requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 981 }
 982
 983 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 984 {
 985     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 986 }
 987
 988 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 989 {
 990     ViewProperties props(viewPropertiesUrl());
 991
 992     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 993
 994     KItemListView* view = m_container->controller()->view();
 995     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
 996
 997     bool indexingEnabled = false;
 998 #ifdef HAVE_BALOO
 999     Baloo::IndexerConfig config;
1000     indexingEnabled = config.fileIndexingEnabled();
1001 #endif
1002
1003     QString groupName;
1004     QMenu* groupMenu = nullptr;
1005
1006     // Add all roles to the menu that can be shown or hidden by the user
1007     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1008     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
1009         if (info.role == "text") {
1010             // It should not be possible to hide the "text" role
1011             continue;
1012         }
1013
1014         const QString text = m_model->roleDescription(info.role);
1015         QAction* action = nullptr;
1016         if (info.group.isEmpty()) {
1017             action = menu->addAction(text);
1018         } else {
1019             if (!groupMenu || info.group != groupName) {
1020                 groupName = info.group;
1021                 groupMenu = menu->addMenu(groupName);
1022             }
1023
1024             action = groupMenu->addAction(text);
1025         }
1026
1027         action->setCheckable(true);
1028         action->setChecked(visibleRolesSet.contains(info.role));
1029         action->setData(info.role);
1030
1031         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
1032                             (info.requiresBaloo) ||
1033                             (info.requiresIndexer && indexingEnabled);
1034         action->setEnabled(enable);
1035     }
1036
1037     menu->addSeparator();
1038
1039     QActionGroup* widthsGroup = new QActionGroup(menu);
1040     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1041
1042     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1043     autoAdjustWidthsAction->setCheckable(true);
1044     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1045     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1046
1047     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1048     customWidthsAction->setCheckable(true);
1049     customWidthsAction->setChecked(!autoColumnWidths);
1050     customWidthsAction->setActionGroup(widthsGroup);
1051
1052     QAction* action = menu->exec(pos.toPoint());
1053     if (menu && action) {
1054         KItemListHeader* header = view->header();
1055
1056         if (action == autoAdjustWidthsAction) {
1057             // Clear the column-widths from the viewproperties and turn on
1058             // the automatic resizing of the columns
1059             props.setHeaderColumnWidths(QList<int>());
1060             header->setAutomaticColumnResizing(true);
1061         } else if (action == customWidthsAction) {
1062             // Apply the current column-widths as custom column-widths and turn
1063             // off the automatic resizing of the columns
1064             QList<int> columnWidths;
1065             const auto visibleRoles = view->visibleRoles();
1066             columnWidths.reserve(visibleRoles.count());
1067             for (const QByteArray& role : visibleRoles) {
1068                 columnWidths.append(header->columnWidth(role));
1069             }
1070             props.setHeaderColumnWidths(columnWidths);
1071             header->setAutomaticColumnResizing(false);
1072         } else {
1073             // Show or hide the selected role
1074             const QByteArray selectedRole = action->data().toByteArray();
1075
1076             QList<QByteArray> visibleRoles = view->visibleRoles();
1077             if (action->isChecked()) {
1078                 visibleRoles.append(selectedRole);
1079             } else {
1080                 visibleRoles.removeOne(selectedRole);
1081             }
1082
1083             view->setVisibleRoles(visibleRoles);
1084             props.setVisibleRoles(visibleRoles);
1085
1086             QList<int> columnWidths;
1087             if (!header->automaticColumnResizing()) {
1088                 const auto visibleRoles = view->visibleRoles();
1089                 columnWidths.reserve(visibleRoles.count());
1090                 for (const QByteArray& role : visibleRoles) {
1091                     columnWidths.append(header->columnWidth(role));
1092                 }
1093             }
1094             props.setHeaderColumnWidths(columnWidths);
1095         }
1096     }
1097
1098     delete menu;
1099 }
1100
1101 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1102 {
1103     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1104
1105     ViewProperties props(viewPropertiesUrl());
1106     QList<int> columnWidths = props.headerColumnWidths();
1107     if (columnWidths.count() != visibleRoles.count()) {
1108         columnWidths.clear();
1109         columnWidths.reserve(visibleRoles.count());
1110         const KItemListHeader* header = m_view->header();
1111         for (const QByteArray& role : visibleRoles) {
1112             const int width = header->columnWidth(role);
1113             columnWidths.append(width);
1114         }
1115     }
1116
1117     const int roleIndex = visibleRoles.indexOf(role);
1118     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1119     columnWidths[roleIndex] = current;
1120
1121     props.setHeaderColumnWidths(columnWidths);
1122 }
1123
1124 void DolphinView::slotItemHovered(int index)
1125 {
1126     const KFileItem item = m_model->fileItem(index);
1127
1128     if (GeneralSettings::showToolTips() && !m_dragging) {
1129         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1130         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1131         itemRect.moveTo(pos);
1132
1133 #ifdef HAVE_BALOO
1134         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1135 #endif
1136     }
1137
1138     Q_EMIT requestItemInfo(item);
1139 }
1140
1141 void DolphinView::slotItemUnhovered(int index)
1142 {
1143     Q_UNUSED(index)
1144     hideToolTip();
1145     Q_EMIT requestItemInfo(KFileItem());
1146 }
1147
1148 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1149 {
1150     QUrl destUrl;
1151     KFileItem destItem = m_model->fileItem(index);
1152     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1153         // Use the URL of the view as drop target if the item is no directory
1154         // or desktop-file
1155         destItem = m_model->rootItem();
1156         destUrl = url();
1157     } else {
1158         // The item represents a directory or desktop-file
1159         destUrl = destItem.mostLocalUrl();
1160     }
1161
1162     QDropEvent dropEvent(event->pos().toPoint(),
1163                          event->possibleActions(),
1164                          event->mimeData(),
1165                          event->buttons(),
1166                          event->modifiers());
1167     dropUrls(destUrl, &dropEvent, this);
1168
1169     setActive(true);
1170 }
1171
1172 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1173 {
1174     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1175
1176     if (job) {
1177         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1178
1179         if (destUrl == url()) {
1180             // Mark the dropped urls as selected.
1181             m_clearSelectionBeforeSelectingNewItems = true;
1182             m_markFirstNewlySelectedItemAsCurrent = true;
1183             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1184         }
1185     }
1186 }
1187
1188 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1189 {
1190     if (previous != nullptr) {
1191         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1192         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1193         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1194         m_versionControlObserver->setModel(nullptr);
1195     }
1196
1197     if (current) {
1198         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1199         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1200         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1201         m_versionControlObserver->setModel(fileItemModel);
1202     }
1203 }
1204
1205 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1206 {
1207     Q_UNUSED(itemIndex)
1208
1209     hideToolTip();
1210
1211     if (buttons & Qt::BackButton) {
1212         Q_EMIT goBackRequested();
1213     } else if (buttons & Qt::ForwardButton) {
1214         Q_EMIT goForwardRequested();
1215     }
1216 }
1217
1218 void DolphinView::slotSelectedItemTextPressed(int index)
1219 {
1220     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1221         const KFileItem item = m_model->fileItem(index);
1222         const KFileItemListProperties capabilities(KFileItemList() << item);
1223         if (capabilities.supportsMoving()) {
1224             m_twoClicksRenamingItemUrl = item.url();
1225             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1226         }
1227     }
1228 }
1229
1230 void DolphinView::slotCopyingDone(KIO::Job *, const QUrl &, const QUrl &to)
1231 {
1232     slotItemCreated(to);
1233 }
1234
1235 void DolphinView::slotItemCreated(const QUrl& url)
1236 {
1237     if (m_markFirstNewlySelectedItemAsCurrent) {
1238         markUrlAsCurrent(url);
1239         m_markFirstNewlySelectedItemAsCurrent = false;
1240     }
1241     m_selectedUrls << url;
1242 }
1243
1244 void DolphinView::slotJobResult(KJob *job)
1245 {
1246     if (job->error()) {
1247         Q_EMIT errorMessage(job->errorString());
1248     }
1249     if (!m_selectedUrls.isEmpty()) {
1250         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1251     }
1252 }
1253
1254 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1255 {
1256     const int currentCount = current.count();
1257     const int previousCount = previous.count();
1258     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1259                                        (currentCount >  0 && previousCount == 0);
1260
1261     // If nothing has been selected before and something got selected (or if something
1262     // was selected before and now nothing is selected) the selectionChangedSignal must
1263     // be emitted asynchronously as fast as possible to update the edit-actions.
1264     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1265     m_selectionChangedTimer->start();
1266 }
1267
1268 void DolphinView::emitSelectionChangedSignal()
1269 {
1270     m_selectionChangedTimer->stop();
1271     Q_EMIT selectionChanged(selectedItems());
1272 }
1273
1274 void DolphinView::updateSortRole(const QByteArray& role)
1275 {
1276     ViewProperties props(viewPropertiesUrl());
1277     props.setSortRole(role);
1278
1279     KItemModelBase* model = m_container->controller()->model();
1280     model->setSortRole(role);
1281
1282     Q_EMIT sortRoleChanged(role);
1283 }
1284
1285 void DolphinView::updateSortOrder(Qt::SortOrder order)
1286 {
1287     ViewProperties props(viewPropertiesUrl());
1288     props.setSortOrder(order);
1289
1290     m_model->setSortOrder(order);
1291
1292     Q_EMIT sortOrderChanged(order);
1293 }
1294
1295 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1296 {
1297     ViewProperties props(viewPropertiesUrl());
1298     props.setSortFoldersFirst(foldersFirst);
1299
1300     m_model->setSortDirectoriesFirst(foldersFirst);
1301
1302     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1303 }
1304
1305 QPair<bool, QString> DolphinView::pasteInfo() const
1306 {
1307     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1308     QPair<bool, QString> info;
1309     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1310     return info;
1311 }
1312
1313 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1314 {
1315     m_tabsForFiles = tabsForFiles;
1316 }
1317
1318 bool DolphinView::isTabsForFilesEnabled() const
1319 {
1320     return m_tabsForFiles;
1321 }
1322
1323 bool DolphinView::itemsExpandable() const
1324 {
1325     return m_mode == DetailsView;
1326 }
1327
1328 void DolphinView::restoreState(QDataStream& stream)
1329 {
1330     // Read the version number of the view state and check if the version is supported.
1331     quint32 version = 0;
1332     stream >> version;
1333     if (version != 1) {
1334         // The version of the view state isn't supported, we can't restore it.
1335         return;
1336     }
1337
1338     // Restore the current item that had the keyboard focus
1339     stream >> m_currentItemUrl;
1340
1341     // Restore the previously selected items
1342     stream >> m_selectedUrls;
1343
1344     // Restore the view position
1345     stream >> m_restoredContentsPosition;
1346
1347     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1348     QSet<QUrl> urls;
1349     stream >> urls;
1350     m_model->restoreExpandedDirectories(urls);
1351 }
1352
1353 void DolphinView::saveState(QDataStream& stream)
1354 {
1355     stream << quint32(1); // View state version
1356
1357     // Save the current item that has the keyboard focus
1358     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1359     if (currentIndex != -1) {
1360         KFileItem item = m_model->fileItem(currentIndex);
1361         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1362         QUrl currentItemUrl = item.url();
1363         stream << currentItemUrl;
1364     } else {
1365         stream << QUrl();
1366     }
1367
1368     // Save the selected urls
1369     stream << selectedItems().urlList();
1370
1371     // Save view position
1372     const qreal x = m_container->horizontalScrollBar()->value();
1373     const qreal y = m_container->verticalScrollBar()->value();
1374     stream << QPoint(x, y);
1375
1376     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1377     stream << m_model->expandedDirectories();
1378 }
1379
1380 KFileItem DolphinView::rootItem() const
1381 {
1382     return m_model->rootItem();
1383 }
1384
1385 void DolphinView::setViewPropertiesContext(const QString& context)
1386 {
1387     m_viewPropertiesContext = context;
1388 }
1389
1390 QString DolphinView::viewPropertiesContext() const
1391 {
1392     return m_viewPropertiesContext;
1393 }
1394
1395 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1396 {
1397     if (item.isNull()) {
1398         return QUrl();
1399     }
1400
1401     QUrl url = item.targetUrl();
1402
1403     if (item.isDir()) {
1404         return url;
1405     }
1406
1407     if (item.isMimeTypeKnown()) {
1408         const QString& mimetype = item.mimetype();
1409
1410         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1411             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1412             // zip:/<path>/ when clicking on a zip file, etc.
1413             // The .protocol file specifies the mimetype that the kioslave handles.
1414             // Note that we don't use mimetype inheritance since we don't want to
1415             // open OpenDocument files as zip folders...
1416             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1417             if (!protocol.isEmpty()) {
1418                 url.setScheme(protocol);
1419                 return url;
1420             }
1421         }
1422
1423         if (mimetype == QLatin1String("application/x-desktop")) {
1424             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1425             KDesktopFile desktopFile(url.toLocalFile());
1426             if (desktopFile.hasLinkType()) {
1427                 const QString linkUrl = desktopFile.readUrl();
1428                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1429                     return QUrl::fromUserInput(linkUrl);
1430                 }
1431             }
1432         }
1433     }
1434
1435     return QUrl();
1436 }
1437
1438 void DolphinView::resetZoomLevel()
1439 {
1440     ViewModeSettings::ViewMode mode;
1441
1442     switch (m_mode) {
1443     case IconsView:     mode = ViewModeSettings::IconsMode;   break;
1444     case CompactView:   mode = ViewModeSettings::CompactMode; break;
1445     case DetailsView:   mode = ViewModeSettings::DetailsMode; break;
1446     }
1447     const ViewModeSettings settings(mode);
1448     const QSize iconSize = QSize(settings.iconSize(), settings.iconSize());
1449     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(iconSize));
1450 }
1451
1452 void DolphinView::observeCreatedItem(const QUrl& url)
1453 {
1454     if (m_active) {
1455         forceUrlsSelection(url, {url});
1456     }
1457 }
1458
1459 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1460 {
1461     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1462         Q_EMIT redirection(oldUrl, newUrl);
1463         m_url = newUrl; // #186947
1464     }
1465 }
1466
1467 void DolphinView::updateViewState()
1468 {
1469     if (m_currentItemUrl != QUrl()) {
1470         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1471
1472         // if there is a selection already, leave it that way
1473         if (!selectionManager->hasSelection()) {
1474             const int currentIndex = m_model->index(m_currentItemUrl);
1475             if (currentIndex != -1) {
1476                 selectionManager->setCurrentItem(currentIndex);
1477
1478                 // scroll to current item and reset the state
1479                 if (m_scrollToCurrentItem) {
1480                     m_view->scrollToItem(currentIndex);
1481                     m_scrollToCurrentItem = false;
1482                 }
1483             } else {
1484                 selectionManager->setCurrentItem(0);
1485             }
1486         }
1487
1488         m_currentItemUrl = QUrl();
1489     }
1490
1491     if (!m_restoredContentsPosition.isNull()) {
1492         const int x = m_restoredContentsPosition.x();
1493         const int y = m_restoredContentsPosition.y();
1494         m_restoredContentsPosition = QPoint();
1495
1496         m_container->horizontalScrollBar()->setValue(x);
1497         m_container->verticalScrollBar()->setValue(y);
1498     }
1499
1500     if (!m_selectedUrls.isEmpty()) {
1501         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1502
1503         // if there is a selection already, leave it that way
1504         if (!selectionManager->hasSelection()) {
1505             if (m_clearSelectionBeforeSelectingNewItems) {
1506                 selectionManager->clearSelection();
1507                 m_clearSelectionBeforeSelectingNewItems = false;
1508             }
1509
1510             KItemSet selectedItems = selectionManager->selectedItems();
1511
1512             QList<QUrl>::iterator it = m_selectedUrls.begin();
1513             while (it != m_selectedUrls.end()) {
1514                 const int index = m_model->index(*it);
1515                 if (index >= 0) {
1516                     selectedItems.insert(index);
1517                     it = m_selectedUrls.erase(it);
1518                 } else {
1519                     ++it;
1520                 }
1521             }
1522
1523             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1524             selectionManager->setSelectedItems(selectedItems);
1525         }
1526     }
1527 }
1528
1529 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1530 {
1531 #ifdef HAVE_BALOO
1532     if (GeneralSettings::showToolTips()) {
1533         m_toolTipManager->hideToolTip(behavior);
1534     }
1535 #else
1536         Q_UNUSED(behavior)
1537 #endif
1538 }
1539
1540 void DolphinView::calculateItemCount(int& fileCount,
1541                                      int& folderCount,
1542                                      KIO::filesize_t& totalFileSize) const
1543 {
1544     const int itemCount = m_model->count();
1545
1546     bool countFileSize = true;
1547
1548     if (!m_model->rootItem().url().isValid()) {
1549         return;
1550     }
1551
1552     // In case we have a precomputed value
1553     const auto job = KIO::statDetails(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
1554     job->exec();
1555     const auto entry =  job->statResult();
1556     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1557         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1558         countFileSize = false;
1559     }
1560
1561     for (int i = 0; i < itemCount; ++i) {
1562         const KFileItem item = m_model->fileItem(i);
1563         if (item.isDir()) {
1564             ++folderCount;
1565         } else {
1566             ++fileCount;
1567             if (countFileSize) {
1568                 totalFileSize += item.size();
1569             }
1570         }
1571     }
1572 }
1573
1574 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1575 {
1576     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1577
1578     // verify that only one item is selected
1579     if (selectionManager->selectedItems().count() == 1) {
1580         const int index = selectionManager->currentItem();
1581         const QUrl fileItemUrl = m_model->fileItem(index).url();
1582
1583         // check if the selected item was the same item that started the twoClicksRenaming
1584         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1585             renameSelectedItems();
1586         }
1587     }
1588 }
1589
1590 void DolphinView::slotTrashFileFinished(KJob* job)
1591 {
1592     if (job->error() == 0) {
1593         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1594     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1595         Q_EMIT errorMessage(job->errorString());
1596     }
1597 }
1598
1599 void DolphinView::slotDeleteFileFinished(KJob* job)
1600 {
1601     if (job->error() == 0) {
1602         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1603     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1604         Q_EMIT errorMessage(job->errorString());
1605     }
1606 }
1607
1608 void DolphinView::slotRenamingResult(KJob* job)
1609 {
1610     if (job->error()) {
1611         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1612         Q_ASSERT(copyJob);
1613         const QUrl newUrl = copyJob->destUrl();
1614         const int index = m_model->index(newUrl);
1615         if (index >= 0) {
1616             QHash<QByteArray, QVariant> data;
1617             const QUrl oldUrl = copyJob->srcUrls().at(0);
1618             data.insert("text", oldUrl.fileName());
1619             m_model->setData(index, data);
1620         }
1621     }
1622 }
1623
1624 void DolphinView::slotDirectoryLoadingStarted()
1625 {
1626     m_loading = true;
1627     updatePlaceholderLabel();
1628
1629     // Disable the writestate temporary until it can be determined in a fast way
1630     // in DolphinView::slotDirectoryLoadingCompleted()
1631     if (m_isFolderWritable) {
1632         m_isFolderWritable = false;
1633         Q_EMIT writeStateChanged(m_isFolderWritable);
1634     }
1635
1636     Q_EMIT directoryLoadingStarted();
1637 }
1638
1639 void DolphinView::slotDirectoryLoadingCompleted()
1640 {
1641     m_loading = false;
1642
1643     // Update the view-state. This has to be done asynchronously
1644     // because the view might not be in its final state yet.
1645     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1646
1647     // Update the placeholder label in case we found that the folder was empty
1648     // after loading it
1649
1650     Q_EMIT directoryLoadingCompleted();
1651
1652     updatePlaceholderLabel();
1653     updateWritableState();
1654 }
1655
1656 void DolphinView::slotDirectoryLoadingCanceled()
1657 {
1658     m_loading = false;
1659
1660     updatePlaceholderLabel();
1661
1662     Q_EMIT directoryLoadingCanceled();
1663 }
1664
1665 void DolphinView::slotItemsChanged()
1666 {
1667     m_assureVisibleCurrentIndex = false;
1668 }
1669
1670 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1671 {
1672     Q_UNUSED(previous)
1673     Q_ASSERT(m_model->sortOrder() == current);
1674
1675     ViewProperties props(viewPropertiesUrl());
1676     props.setSortOrder(current);
1677
1678     Q_EMIT sortOrderChanged(current);
1679 }
1680
1681 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1682 {
1683     Q_UNUSED(previous)
1684     Q_ASSERT(m_model->sortRole() == current);
1685
1686     ViewProperties props(viewPropertiesUrl());
1687     props.setSortRole(current);
1688
1689     Q_EMIT sortRoleChanged(current);
1690 }
1691
1692 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1693                                                   const QList<QByteArray>& previous)
1694 {
1695     Q_UNUSED(previous)
1696     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1697
1698     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1699
1700     m_visibleRoles = current;
1701
1702     ViewProperties props(viewPropertiesUrl());
1703     props.setVisibleRoles(m_visibleRoles);
1704
1705     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1706 }
1707
1708 void DolphinView::slotRoleEditingCanceled()
1709 {
1710     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1711                this, &DolphinView::slotRoleEditingFinished);
1712 }
1713
1714 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1715 {
1716     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1717                this, &DolphinView::slotRoleEditingFinished);
1718
1719     if (index < 0 || index >= m_model->count()) {
1720         return;
1721     }
1722
1723     if (role == "text") {
1724         const KFileItem oldItem = m_model->fileItem(index);
1725         const QString newName = value.toString();
1726         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1727             const QUrl oldUrl = oldItem.url();
1728
1729             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1730             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1731
1732 #ifndef Q_OS_WIN
1733             //Confirm hiding file/directory by renaming inline
1734             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1735                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1736                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1737
1738                 const auto code = KMessageBox::questionYesNo(this,
1739                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1740                                                                                      "Do you still want to rename it?")
1741                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1742                                                                                      "Do you still want to rename it?"),
1743                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1744                                                              yesGuiItem,
1745                                                              KStandardGuiItem::cancel(),
1746                                                              QStringLiteral("ConfirmHide")
1747                                                             );
1748
1749                 if (code == KMessageBox::No) {
1750                    return;
1751                 }
1752             }
1753 #endif
1754
1755             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1756             if (!newNameExistsAlready) {
1757                 // Only change the data in the model if no item with the new name
1758                 // is in the model yet. If there is an item with the new name
1759                 // already, calling KIO::CopyJob will open a dialog
1760                 // asking for a new name, and KFileItemModel will update the
1761                 // data when the dir lister signals that the file name has changed.
1762                 QHash<QByteArray, QVariant> data;
1763                 data.insert(role, value);
1764                 m_model->setData(index, data);
1765             }
1766
1767             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1768             KJobWidgets::setWindow(job, this);
1769             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1770             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1771
1772             forceUrlsSelection(newUrl, {newUrl});
1773
1774             if (!newNameExistsAlready) {
1775                 // Only connect the result signal if there is no item with the new name
1776                 // in the model yet, see bug 328262.
1777                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1778             }
1779         }
1780     }
1781 }
1782
1783 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1784 {
1785     if (!url.isValid()) {
1786         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1787         if (location.isEmpty()) {
1788             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
1789         } else {
1790             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1791         }
1792         return;
1793     }
1794
1795     if (reload) {
1796         m_model->refreshDirectory(url);
1797     } else {
1798         m_model->loadDirectory(url);
1799     }
1800 }
1801
1802 void DolphinView::applyViewProperties()
1803 {
1804     const ViewProperties props(viewPropertiesUrl());
1805     applyViewProperties(props);
1806 }
1807
1808 void DolphinView::applyViewProperties(const ViewProperties& props)
1809 {
1810     m_view->beginTransaction();
1811
1812     const Mode mode = props.viewMode();
1813     if (m_mode != mode) {
1814         const Mode previousMode = m_mode;
1815         m_mode = mode;
1816
1817         // Changing the mode might result in changing
1818         // the zoom level. Remember the old zoom level so
1819         // that zoomLevelChanged() can get emitted.
1820         const int oldZoomLevel = m_view->zoomLevel();
1821         applyModeToView();
1822
1823         Q_EMIT modeChanged(m_mode, previousMode);
1824
1825         if (m_view->zoomLevel() != oldZoomLevel) {
1826             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1827         }
1828     }
1829
1830     const bool hiddenFilesShown = props.hiddenFilesShown();
1831     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1832         m_model->setShowHiddenFiles(hiddenFilesShown);
1833         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
1834     }
1835
1836     const bool groupedSorting = props.groupedSorting();
1837     if (groupedSorting != m_model->groupedSorting()) {
1838         m_model->setGroupedSorting(groupedSorting);
1839         Q_EMIT groupedSortingChanged(groupedSorting);
1840     }
1841
1842     const QByteArray sortRole = props.sortRole();
1843     if (sortRole != m_model->sortRole()) {
1844         m_model->setSortRole(sortRole);
1845         Q_EMIT sortRoleChanged(sortRole);
1846     }
1847
1848     const Qt::SortOrder sortOrder = props.sortOrder();
1849     if (sortOrder != m_model->sortOrder()) {
1850         m_model->setSortOrder(sortOrder);
1851         Q_EMIT sortOrderChanged(sortOrder);
1852     }
1853
1854     const bool sortFoldersFirst = props.sortFoldersFirst();
1855     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1856         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1857         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
1858     }
1859
1860     const QList<QByteArray> visibleRoles = props.visibleRoles();
1861     if (visibleRoles != m_visibleRoles) {
1862         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1863         m_visibleRoles = visibleRoles;
1864         m_view->setVisibleRoles(visibleRoles);
1865         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1866     }
1867
1868     const bool previewsShown = props.previewsShown();
1869     if (previewsShown != m_view->previewsShown()) {
1870         const int oldZoomLevel = zoomLevel();
1871
1872         m_view->setPreviewsShown(previewsShown);
1873         Q_EMIT previewsShownChanged(previewsShown);
1874
1875         // Changing the preview-state might result in a changed zoom-level
1876         if (oldZoomLevel != zoomLevel()) {
1877             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
1878         }
1879     }
1880
1881     KItemListView* itemListView = m_container->controller()->view();
1882     if (itemListView->isHeaderVisible()) {
1883         KItemListHeader* header = itemListView->header();
1884         const QList<int> headerColumnWidths = props.headerColumnWidths();
1885         const int rolesCount = m_visibleRoles.count();
1886         if (headerColumnWidths.count() == rolesCount) {
1887             header->setAutomaticColumnResizing(false);
1888
1889             QHash<QByteArray, qreal> columnWidths;
1890             for (int i = 0; i < rolesCount; ++i) {
1891                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1892             }
1893             header->setColumnWidths(columnWidths);
1894         } else {
1895             header->setAutomaticColumnResizing(true);
1896         }
1897     }
1898
1899     m_view->endTransaction();
1900 }
1901
1902 void DolphinView::applyModeToView()
1903 {
1904     switch (m_mode) {
1905     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1906     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1907     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1908     default: Q_ASSERT(false); break;
1909     }
1910 }
1911
1912 void DolphinView::pasteToUrl(const QUrl& url)
1913 {
1914     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1915     KJobWidgets::setWindow(job, this);
1916     m_clearSelectionBeforeSelectingNewItems = true;
1917     m_markFirstNewlySelectedItemAsCurrent = true;
1918     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1919     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
1920 }
1921
1922 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1923 {
1924     QList<QUrl> urls;
1925
1926     const KFileItemList items = selectedItems();
1927     urls.reserve(items.count());
1928     for (const KFileItem& item : items) {
1929         urls.append(item.url());
1930     }
1931
1932     if (itemsExpandable()) {
1933         // TODO: Check if we still need KDirModel for this in KDE 5.0
1934         urls = KDirModel::simplifiedUrlList(urls);
1935     }
1936
1937     return urls;
1938 }
1939
1940 QMimeData* DolphinView::selectionMimeData() const
1941 {
1942     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1943     const KItemSet selectedIndexes = selectionManager->selectedItems();
1944
1945     return m_model->createMimeData(selectedIndexes);
1946 }
1947
1948 void DolphinView::updateWritableState()
1949 {
1950     const bool wasFolderWritable = m_isFolderWritable;
1951     m_isFolderWritable = false;
1952
1953     KFileItem item = m_model->rootItem();
1954     if (item.isNull()) {
1955         // Try to find out if the URL is writable even if the "root item" is
1956         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1957         item = KFileItem(url());
1958         item.setDelayedMimeTypes(true);
1959     }
1960
1961     KFileItemListProperties capabilities(KFileItemList() << item);
1962     m_isFolderWritable = capabilities.supportsWriting();
1963
1964     if (m_isFolderWritable != wasFolderWritable) {
1965         Q_EMIT writeStateChanged(m_isFolderWritable);
1966     }
1967 }
1968
1969 QUrl DolphinView::viewPropertiesUrl() const
1970 {
1971     if (m_viewPropertiesContext.isEmpty()) {
1972         return m_url;
1973     }
1974
1975     QUrl url;
1976     url.setScheme(m_url.scheme());
1977     url.setPath(m_viewPropertiesContext);
1978     return url;
1979 }
1980
1981 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1982 {
1983     forceUrlsSelection(urls.first(), urls);
1984 }
1985
1986 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1987 {
1988     clearSelection();
1989     m_clearSelectionBeforeSelectingNewItems = true;
1990     markUrlAsCurrent(current);
1991     markUrlsAsSelected(selected);
1992 }
1993
1994 void DolphinView::copyPathToClipboard()
1995 {
1996     const KFileItemList list = selectedItems();
1997     if (list.isEmpty()) {
1998         return;
1999     }
2000     const KFileItem& item = list.at(0);
2001     QString path = item.localPath();
2002     if (path.isEmpty()) {
2003         path = item.url().toDisplayString();
2004     }
2005     QClipboard* clipboard = QApplication::clipboard();
2006     if (clipboard == nullptr) {
2007         return;
2008     }
2009     clipboard->setText(path);
2010 }
2011
2012 void DolphinView::slotIncreaseZoom()
2013 {
2014     setZoomLevel(zoomLevel() + 1);
2015 }
2016
2017 void DolphinView::slotDecreaseZoom()
2018 {
2019     setZoomLevel(zoomLevel() - 1);
2020 }
2021
2022 void DolphinView::slotSwipeUp()
2023 {
2024     Q_EMIT goUpRequested();
2025 }
2026
2027 void DolphinView::updatePlaceholderLabel()
2028 {
2029     if (m_loading || itemsCount() > 0) {
2030         m_placeholderLabel->setVisible(false);
2031         return;
2032     }
2033
2034     if (!nameFilter().isEmpty()) {
2035         m_placeholderLabel->setText(i18n("No items matching the filter"));
2036     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2037         m_placeholderLabel->setText(i18n("No items matching the search"));
2038     } else if (m_url.scheme() == QLatin1String("trash")) {
2039         m_placeholderLabel->setText(i18n("Trash is empty"));
2040     } else if (m_url.scheme() == QLatin1String("tags")) {
2041         m_placeholderLabel->setText(i18n("No tags"));
2042     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2043         m_placeholderLabel->setText(i18n("No recently used items"));
2044     } else if (m_url.scheme() == QLatin1String("smb")) {
2045         m_placeholderLabel->setText(i18n("No shared folders found"));
2046     } else if (m_url.scheme() == QLatin1String("network")) {
2047         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2048     } else if (m_url.scheme() == QLatin1String("mtp")) {
2049         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2050     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2051         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2052     } else {
2053         m_placeholderLabel->setText(i18n("Folder is empty"));
2054     }
2055
2056     m_placeholderLabel->setVisible(true);
2057 }