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