src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <config-baloo.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QClipboard>
  28 #include <QDropEvent>
  29 #include <QGraphicsSceneDragDropEvent>
  30 #include <QTimer>
  31 #include <QScrollBar>
  32 #include <QPixmapCache>
  33 #include <QPointer>
  34 #include <QMenu>
  35 #include <QVBoxLayout>
  36 #include <KDesktopFile>
  37 #include <KProtocolManager>
  38 #include <KColorScheme>
  39 #include <KDirModel>
  40 #include <KFileItem>
  41 #include <KFileItemListProperties>
  42 #include <KLocalizedString>
  43 #include <kitemviews/kfileitemmodel.h>
  44 #include <kitemviews/kfileitemlistview.h>
  45 #include <kitemviews/kitemlistcontainer.h>
  46 #include <kitemviews/kitemlistheader.h>
  47 #include <kitemviews/kitemlistselectionmanager.h>
  48 #include <kitemviews/kitemlistview.h>
  49 #include <kitemviews/kitemlistcontroller.h>
  50 #include <KIO/CopyJob>
  51 #include <KIO/DeleteJob>
  52 #include <KIO/JobUiDelegate>
  53 #include <KIO/PreviewJob>
  54 #include <KIO/DropJob>
  55 #include <KIO/PasteJob>
  56 #include <KIO/Paste>
  57 #include <KJob>
  58 #include <KMessageBox>
  59 #include <KJobWidgets>
  60 #include <QUrl>
  61
  62 #include "dolphinnewfilemenuobserver.h"
  63 #include "dolphin_detailsmodesettings.h"
  64 #include "dolphin_generalsettings.h"
  65 #include "dolphinitemlistview.h"
  66 #include "draganddrophelper.h"
  67 #include "renamedialog.h"
  68 #include "versioncontrol/versioncontrolobserver.h"
  69 #include "viewmodecontroller.h"
  70 #include "viewproperties.h"
  71 #include "views/tooltips/tooltipmanager.h"
  72 #include "zoomlevelinfo.h"
  73
  74 #ifdef HAVE_BALOO
  75     #include <Baloo/IndexerConfig>
  76 #endif
  77 #include <KFormat>
  78
  79 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  80     QWidget(parent),
  81     m_active(true),
  82     m_tabsForFiles(false),
  83     m_assureVisibleCurrentIndex(false),
  84     m_isFolderWritable(true),
  85     m_dragging(false),
  86     m_url(url),
  87     m_viewPropertiesContext(),
  88     m_mode(DolphinView::IconsView),
  89     m_visibleRoles(),
  90     m_topLayout(0),
  91     m_model(0),
  92     m_view(0),
  93     m_container(0),
  94     m_toolTipManager(0),
  95     m_selectionChangedTimer(0),
  96     m_currentItemUrl(),
  97     m_scrollToCurrentItem(false),
  98     m_restoredContentsPosition(),
  99     m_selectedUrls(),
 100     m_clearSelectionBeforeSelectingNewItems(false),
 101     m_markFirstNewlySelectedItemAsCurrent(false),
 102     m_versionControlObserver(0)
 103 {
 104     m_topLayout = new QVBoxLayout(this);
 105     m_topLayout->setSpacing(0);
 106     m_topLayout->setMargin(0);
 107
 108     // When a new item has been created by the "Create New..." menu, the item should
 109     // get selected and it must be assured that the item will get visible. As the
 110     // creation is done asynchronously, several signals must be checked:
 111     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 112             this, &DolphinView::observeCreatedItem);
 113
 114     m_selectionChangedTimer = new QTimer(this);
 115     m_selectionChangedTimer->setSingleShot(true);
 116     m_selectionChangedTimer->setInterval(300);
 117     connect(m_selectionChangedTimer, &QTimer::timeout,
 118             this, &DolphinView::emitSelectionChangedSignal);
 119
 120     m_model = new KFileItemModel(this);
 121     m_view = new DolphinItemListView();
 122     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 123     m_view->setVisibleRoles({"text"});
 124     applyModeToView();
 125
 126     KItemListController* controller = new KItemListController(m_model, m_view, this);
 127     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 128     controller->setAutoActivationDelay(delay);
 129
 130     // The EnlargeSmallPreviews setting can only be changed after the model
 131     // has been set in the view by KItemListController.
 132     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 133
 134     m_container = new KItemListContainer(controller, this);
 135     m_container->installEventFilter(this);
 136     setFocusProxy(m_container);
 137     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 138     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 139
 140     controller->setSelectionBehavior(KItemListController::MultiSelection);
 141     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 142     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 143     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 144     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 145     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 146     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 147     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 148     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 149     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 150     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 151     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 152     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 153
 154     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 155     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 156     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 157     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 158     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 159     connect(m_model, &KFileItemModel::itemsChanged,
 160             this, &DolphinView::slotItemsChanged);
 161     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 162     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 163     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 164     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 165     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 166     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 167
 168     m_view->installEventFilter(this);
 169     connect(m_view, &DolphinItemListView::sortOrderChanged,
 170             this, &DolphinView::slotSortOrderChangedByHeader);
 171     connect(m_view, &DolphinItemListView::sortRoleChanged,
 172             this, &DolphinView::slotSortRoleChangedByHeader);
 173     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 174             this, &DolphinView::slotVisibleRolesChangedByHeader);
 175     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 176             this, &DolphinView::slotRoleEditingCanceled);
 177     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 178             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 179
 180     KItemListSelectionManager* selectionManager = controller->selectionManager();
 181     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 182             this, &DolphinView::slotSelectionChanged);
 183
 184     m_toolTipManager = new ToolTipManager(this);
 185
 186     m_versionControlObserver = new VersionControlObserver(this);
 187     m_versionControlObserver->setModel(m_model);
 188     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 189     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 190     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 191
 192     applyViewProperties();
 193     m_topLayout->addWidget(m_container);
 194
 195     loadDirectory(url);
 196 }
 197
 198 DolphinView::~DolphinView()
 199 {
 200 }
 201
 202 QUrl DolphinView::url() const
 203 {
 204     return m_url;
 205 }
 206
 207 void DolphinView::setActive(bool active)
 208 {
 209     if (active == m_active) {
 210         return;
 211     }
 212
 213     m_active = active;
 214
 215     updatePalette();
 216
 217     if (active) {
 218         m_container->setFocus();
 219         emit activated();
 220         emit writeStateChanged(m_isFolderWritable);
 221     }
 222 }
 223
 224 bool DolphinView::isActive() const
 225 {
 226     return m_active;
 227 }
 228
 229 void DolphinView::setMode(Mode mode)
 230 {
 231     if (mode != m_mode) {
 232         ViewProperties props(viewPropertiesUrl());
 233         props.setViewMode(mode);
 234
 235         // We pass the new ViewProperties to applyViewProperties, rather than
 236         // storing them on disk and letting applyViewProperties() read them
 237         // from there, to prevent that changing the view mode fails if the
 238         // .directory file is not writable (see bug 318534).
 239         applyViewProperties(props);
 240     }
 241 }
 242
 243 DolphinView::Mode DolphinView::mode() const
 244 {
 245     return m_mode;
 246 }
 247
 248 void DolphinView::setPreviewsShown(bool show)
 249 {
 250     if (previewsShown() == show) {
 251         return;
 252     }
 253
 254     ViewProperties props(viewPropertiesUrl());
 255     props.setPreviewsShown(show);
 256
 257     const int oldZoomLevel = m_view->zoomLevel();
 258     m_view->setPreviewsShown(show);
 259     emit previewsShownChanged(show);
 260
 261     const int newZoomLevel = m_view->zoomLevel();
 262     if (newZoomLevel != oldZoomLevel) {
 263         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 264     }
 265 }
 266
 267 bool DolphinView::previewsShown() const
 268 {
 269     return m_view->previewsShown();
 270 }
 271
 272 void DolphinView::setHiddenFilesShown(bool show)
 273 {
 274     if (m_model->showHiddenFiles() == show) {
 275         return;
 276     }
 277
 278     const KFileItemList itemList = selectedItems();
 279     m_selectedUrls.clear();
 280     m_selectedUrls = itemList.urlList();
 281
 282     ViewProperties props(viewPropertiesUrl());
 283     props.setHiddenFilesShown(show);
 284
 285     m_model->setShowHiddenFiles(show);
 286     emit hiddenFilesShownChanged(show);
 287 }
 288
 289 bool DolphinView::hiddenFilesShown() const
 290 {
 291     return m_model->showHiddenFiles();
 292 }
 293
 294 void DolphinView::setGroupedSorting(bool grouped)
 295 {
 296     if (grouped == groupedSorting()) {
 297         return;
 298     }
 299
 300     ViewProperties props(viewPropertiesUrl());
 301     props.setGroupedSorting(grouped);
 302     props.save();
 303
 304     m_container->controller()->model()->setGroupedSorting(grouped);
 305
 306     emit groupedSortingChanged(grouped);
 307 }
 308
 309 bool DolphinView::groupedSorting() const
 310 {
 311     return m_model->groupedSorting();
 312 }
 313
 314 KFileItemList DolphinView::items() const
 315 {
 316     KFileItemList list;
 317     const int itemCount = m_model->count();
 318     list.reserve(itemCount);
 319
 320     for (int i = 0; i < itemCount; ++i) {
 321         list.append(m_model->fileItem(i));
 322     }
 323
 324     return list;
 325 }
 326
 327 int DolphinView::itemsCount() const
 328 {
 329     return m_model->count();
 330 }
 331
 332 KFileItemList DolphinView::selectedItems() const
 333 {
 334     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 335
 336     KFileItemList selectedItems;
 337     const auto items = selectionManager->selectedItems();
 338     selectedItems.reserve(items.count());
 339     for (int index : items) {
 340         selectedItems.append(m_model->fileItem(index));
 341     }
 342     return selectedItems;
 343 }
 344
 345 int DolphinView::selectedItemsCount() const
 346 {
 347     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 348     return selectionManager->selectedItems().count();
 349 }
 350
 351 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 352 {
 353     m_selectedUrls = urls;
 354 }
 355
 356 void DolphinView::markUrlAsCurrent(const QUrl &url)
 357 {
 358     m_currentItemUrl = url;
 359     m_scrollToCurrentItem = true;
 360 }
 361
 362 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 363 {
 364     const KItemListSelectionManager::SelectionMode mode = enabled
 365                                                         ? KItemListSelectionManager::Select
 366                                                         : KItemListSelectionManager::Deselect;
 367     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 368
 369     for (int index = 0; index < m_model->count(); index++) {
 370         const KFileItem item = m_model->fileItem(index);
 371         if (pattern.exactMatch(item.text())) {
 372             // An alternative approach would be to store the matching items in a KItemSet and
 373             // select them in one go after the loop, but we'd need a new function
 374             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 375             // for that.
 376             selectionManager->setSelected(index, 1, mode);
 377         }
 378     }
 379 }
 380
 381 void DolphinView::setZoomLevel(int level)
 382 {
 383     const int oldZoomLevel = zoomLevel();
 384     m_view->setZoomLevel(level);
 385     if (zoomLevel() != oldZoomLevel) {
 386         hideToolTip();
 387         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 388     }
 389 }
 390
 391 int DolphinView::zoomLevel() const
 392 {
 393     return m_view->zoomLevel();
 394 }
 395
 396 void DolphinView::setSortRole(const QByteArray& role)
 397 {
 398     if (role != sortRole()) {
 399         updateSortRole(role);
 400     }
 401 }
 402
 403 QByteArray DolphinView::sortRole() const
 404 {
 405     const KItemModelBase* model = m_container->controller()->model();
 406     return model->sortRole();
 407 }
 408
 409 void DolphinView::setSortOrder(Qt::SortOrder order)
 410 {
 411     if (sortOrder() != order) {
 412         updateSortOrder(order);
 413     }
 414 }
 415
 416 Qt::SortOrder DolphinView::sortOrder() const
 417 {
 418     return m_model->sortOrder();
 419 }
 420
 421 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 422 {
 423     if (sortFoldersFirst() != foldersFirst) {
 424         updateSortFoldersFirst(foldersFirst);
 425     }
 426 }
 427
 428 bool DolphinView::sortFoldersFirst() const
 429 {
 430     return m_model->sortDirectoriesFirst();
 431 }
 432
 433 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 434 {
 435     const QList<QByteArray> previousRoles = roles;
 436
 437     ViewProperties props(viewPropertiesUrl());
 438     props.setVisibleRoles(roles);
 439
 440     m_visibleRoles = roles;
 441     m_view->setVisibleRoles(roles);
 442
 443     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 444 }
 445
 446 QList<QByteArray> DolphinView::visibleRoles() const
 447 {
 448     return m_visibleRoles;
 449 }
 450
 451 void DolphinView::reload()
 452 {
 453     QByteArray viewState;
 454     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 455     saveState(saveStream);
 456
 457     const KFileItemList itemList = selectedItems();
 458     m_selectedUrls.clear();
 459     m_selectedUrls = itemList.urlList();
 460
 461     setUrl(url());
 462     loadDirectory(url(), true);
 463
 464     QDataStream restoreStream(viewState);
 465     restoreState(restoreStream);
 466 }
 467
 468 void DolphinView::readSettings()
 469 {
 470     const int oldZoomLevel = m_view->zoomLevel();
 471
 472     GeneralSettings::self()->load();
 473     m_view->readSettings();
 474     applyViewProperties();
 475
 476     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 477     m_container->controller()->setAutoActivationDelay(delay);
 478
 479     const int newZoomLevel = m_view->zoomLevel();
 480     if (newZoomLevel != oldZoomLevel) {
 481         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 482     }
 483 }
 484
 485 void DolphinView::writeSettings()
 486 {
 487     GeneralSettings::self()->save();
 488     m_view->writeSettings();
 489 }
 490
 491 void DolphinView::setNameFilter(const QString& nameFilter)
 492 {
 493     m_model->setNameFilter(nameFilter);
 494 }
 495
 496 QString DolphinView::nameFilter() const
 497 {
 498     return m_model->nameFilter();
 499 }
 500
 501 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 502 {
 503     return m_model->setMimeTypeFilters(filters);
 504 }
 505
 506 QStringList DolphinView::mimeTypeFilters() const
 507 {
 508     return m_model->mimeTypeFilters();
 509 }
 510
 511 QString DolphinView::statusBarText() const
 512 {
 513     QString summary;
 514     QString foldersText;
 515     QString filesText;
 516
 517     int folderCount = 0;
 518     int fileCount = 0;
 519     KIO::filesize_t totalFileSize = 0;
 520
 521     if (m_container->controller()->selectionManager()->hasSelection()) {
 522         // Give a summary of the status of the selected files
 523         const KFileItemList list = selectedItems();
 524         foreach (const KFileItem& item, list) {
 525             if (item.isDir()) {
 526                 ++folderCount;
 527             } else {
 528                 ++fileCount;
 529                 totalFileSize += item.size();
 530             }
 531         }
 532
 533         if (folderCount + fileCount == 1) {
 534             // If only one item is selected, show info about it
 535             return list.first().getStatusBarInfo();
 536         } else {
 537             // At least 2 items are selected
 538             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 539             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 540         }
 541     } else {
 542         calculateItemCount(fileCount, folderCount, totalFileSize);
 543         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 544         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 545     }
 546
 547     if (fileCount > 0 && folderCount > 0) {
 548         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 549                         foldersText, filesText,
 550                         KFormat().formatByteSize(totalFileSize));
 551     } else if (fileCount > 0) {
 552         summary = i18nc("@info:status files (size)", "%1 (%2)",
 553                         filesText,
 554                         KFormat().formatByteSize(totalFileSize));
 555     } else if (folderCount > 0) {
 556         summary = foldersText;
 557     } else {
 558         summary = i18nc("@info:status", "0 Folders, 0 Files");
 559     }
 560
 561     return summary;
 562 }
 563
 564 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 565 {
 566     QList<QAction*> actions;
 567
 568     if (items.isEmpty()) {
 569         const KFileItem item = m_model->rootItem();
 570         if (!item.isNull()) {
 571             actions = m_versionControlObserver->actions(KFileItemList() << item);
 572         }
 573     } else {
 574         actions = m_versionControlObserver->actions(items);
 575     }
 576
 577     return actions;
 578 }
 579
 580 void DolphinView::setUrl(const QUrl& url)
 581 {
 582     if (url == m_url) {
 583         return;
 584     }
 585
 586     clearSelection();
 587
 588     emit urlAboutToBeChanged(url);
 589     m_url = url;
 590
 591     hideToolTip();
 592
 593     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 594                this, &DolphinView::slotRoleEditingFinished);
 595
 596     // It is important to clear the items from the model before
 597     // applying the view properties, otherwise expensive operations
 598     // might be done on the existing items although they get cleared
 599     // anyhow afterwards by loadDirectory().
 600     m_model->clear();
 601     applyViewProperties();
 602     loadDirectory(url);
 603
 604     emit urlChanged(url);
 605 }
 606
 607 void DolphinView::selectAll()
 608 {
 609     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 610     selectionManager->setSelected(0, m_model->count());
 611 }
 612
 613 void DolphinView::invertSelection()
 614 {
 615     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 616     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 617 }
 618
 619 void DolphinView::clearSelection()
 620 {
 621     m_selectedUrls.clear();
 622     m_container->controller()->selectionManager()->clearSelection();
 623 }
 624
 625 void DolphinView::renameSelectedItems()
 626 {
 627     const KFileItemList items = selectedItems();
 628     if (items.isEmpty()) {
 629         return;
 630     }
 631
 632     if (items.count() == 1 && GeneralSettings::renameInline()) {
 633         const int index = m_model->index(items.first());
 634         m_view->editRole(index, "text");
 635
 636         hideToolTip();
 637
 638         connect(m_view, &DolphinItemListView::roleEditingFinished,
 639                 this, &DolphinView::slotRoleEditingFinished);
 640     } else {
 641         RenameDialog* dialog = new RenameDialog(this, items);
 642         dialog->setAttribute(Qt::WA_DeleteOnClose);
 643         dialog->show();
 644         dialog->raise();
 645         dialog->activateWindow();
 646     }
 647
 648     // Assure that the current index remains visible when KFileItemModel
 649     // will notify the view about changed items (which might result in
 650     // a changed sorting).
 651     m_assureVisibleCurrentIndex = true;
 652 }
 653
 654 void DolphinView::trashSelectedItems()
 655 {
 656     const QList<QUrl> list = simplifiedSelectedUrls();
 657     KIO::JobUiDelegate uiDelegate;
 658     uiDelegate.setWindow(window());
 659     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 660         KIO::Job* job = KIO::trash(list);
 661         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 662         KJobWidgets::setWindow(job, this);
 663         connect(job, &KIO::Job::result,
 664                 this, &DolphinView::slotTrashFileFinished);
 665     }
 666 }
 667
 668 void DolphinView::deleteSelectedItems()
 669 {
 670     const QList<QUrl> list = simplifiedSelectedUrls();
 671
 672     KIO::JobUiDelegate uiDelegate;
 673     uiDelegate.setWindow(window());
 674     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 675         KIO::Job* job = KIO::del(list);
 676         KJobWidgets::setWindow(job, this);
 677         connect(job, &KIO::Job::result,
 678                 this, &DolphinView::slotDeleteFileFinished);
 679     }
 680 }
 681
 682 void DolphinView::cutSelectedItems()
 683 {
 684     QMimeData* mimeData = selectionMimeData();
 685     KIO::setClipboardDataCut(mimeData, true);
 686     QApplication::clipboard()->setMimeData(mimeData);
 687 }
 688
 689 void DolphinView::copySelectedItems()
 690 {
 691     QMimeData* mimeData = selectionMimeData();
 692     QApplication::clipboard()->setMimeData(mimeData);
 693 }
 694
 695 void DolphinView::paste()
 696 {
 697     pasteToUrl(url());
 698 }
 699
 700 void DolphinView::pasteIntoFolder()
 701 {
 702     const KFileItemList items = selectedItems();
 703     if ((items.count() == 1) && items.first().isDir()) {
 704         pasteToUrl(items.first().url());
 705     }
 706 }
 707
 708 void DolphinView::stopLoading()
 709 {
 710     m_model->cancelDirectoryLoading();
 711 }
 712
 713 void DolphinView::updatePalette()
 714 {
 715     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 716     if (!m_active) {
 717         color.setAlpha(150);
 718     }
 719
 720     QWidget* viewport = m_container->viewport();
 721     if (viewport) {
 722         QPalette palette;
 723         palette.setColor(viewport->backgroundRole(), color);
 724         viewport->setPalette(palette);
 725     }
 726
 727     update();
 728 }
 729
 730 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 731 {
 732     switch (event->type()) {
 733     case QEvent::PaletteChange:
 734         updatePalette();
 735         QPixmapCache::clear();
 736         break;
 737
 738     case QEvent::KeyPress:
 739         if (GeneralSettings::useTabForSwitchingSplitView()) {
 740             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 741             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 742                 toggleActiveViewRequested();
 743                 return true;
 744             }
 745         }
 746         break;
 747     case QEvent::FocusIn:
 748         if (watched == m_container) {
 749             setActive(true);
 750         }
 751         break;
 752
 753     case QEvent::GraphicsSceneDragEnter:
 754         if (watched == m_view) {
 755             m_dragging = true;
 756         }
 757         break;
 758
 759     case QEvent::GraphicsSceneDragLeave:
 760         if (watched == m_view) {
 761             m_dragging = false;
 762         }
 763         break;
 764
 765     case QEvent::GraphicsSceneDrop:
 766         if (watched == m_view) {
 767             m_dragging = false;
 768         }
 769     default:
 770         break;
 771     }
 772
 773     return QWidget::eventFilter(watched, event);
 774 }
 775
 776 void DolphinView::wheelEvent(QWheelEvent* event)
 777 {
 778     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 779         const int numDegrees = event->delta() / 8;
 780         const int numSteps = numDegrees / 15;
 781
 782         setZoomLevel(zoomLevel() + numSteps);
 783         event->accept();
 784     } else {
 785         event->ignore();
 786     }
 787 }
 788
 789 void DolphinView::hideEvent(QHideEvent* event)
 790 {
 791     hideToolTip();
 792     QWidget::hideEvent(event);
 793 }
 794
 795 bool DolphinView::event(QEvent* event)
 796 {
 797     /* See Bug 297355
 798      * Dolphin leaves file preview tooltips open even when is not visible.
 799      *
 800      * Hide tool-tip when Dolphin loses focus.
 801      */
 802     if (event->type() == QEvent::WindowDeactivate) {
 803         hideToolTip();
 804     }
 805
 806     return QWidget::event(event);
 807 }
 808
 809 void DolphinView::activate()
 810 {
 811     setActive(true);
 812 }
 813
 814 void DolphinView::slotItemActivated(int index)
 815 {
 816     const KFileItem item = m_model->fileItem(index);
 817     if (!item.isNull()) {
 818         emit itemActivated(item);
 819     }
 820 }
 821
 822 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 823 {
 824     Q_ASSERT(indexes.count() >= 2);
 825
 826     if (indexes.count() > 5) {
 827         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 828         const int answer = KMessageBox::warningYesNo(this, question);
 829         if (answer != KMessageBox::Yes) {
 830             return;
 831         }
 832     }
 833
 834     KFileItemList items;
 835     items.reserve(indexes.count());
 836
 837     for (int index : indexes) {
 838         KFileItem item = m_model->fileItem(index);
 839         const QUrl& url = openItemAsFolderUrl(item);
 840
 841         if (!url.isEmpty()) { // Open folders in new tabs
 842             emit tabRequested(url);
 843         } else {
 844             items.append(item);
 845         }
 846     }
 847
 848     if (items.count() == 1) {
 849         emit itemActivated(items.first());
 850     } else if (items.count() > 1) {
 851         emit itemsActivated(items);
 852     }
 853 }
 854
 855 void DolphinView::slotItemMiddleClicked(int index)
 856 {
 857     const KFileItem& item = m_model->fileItem(index);
 858     const QUrl& url = openItemAsFolderUrl(item);
 859     if (!url.isEmpty()) {
 860         emit tabRequested(url);
 861     } else if (isTabsForFilesEnabled()) {
 862         emit tabRequested(item.url());
 863     }
 864 }
 865
 866 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 867 {
 868     // Force emit of a selection changed signal before we request the
 869     // context menu, to update the edit-actions first. (See Bug 294013)
 870     if (m_selectionChangedTimer->isActive()) {
 871         emitSelectionChangedSignal();
 872     }
 873
 874     const KFileItem item = m_model->fileItem(index);
 875     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 876 }
 877
 878 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 879 {
 880     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 881 }
 882
 883 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 884 {
 885     ViewProperties props(viewPropertiesUrl());
 886
 887     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 888
 889     KItemListView* view = m_container->controller()->view();
 890     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 891
 892     bool indexingEnabled = false;
 893 #ifdef HAVE_BALOO
 894     Baloo::IndexerConfig config;
 895     indexingEnabled = config.fileIndexingEnabled();
 896 #endif
 897
 898     QString groupName;
 899     QMenu* groupMenu = 0;
 900
 901     // Add all roles to the menu that can be shown or hidden by the user
 902     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 903     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 904         if (info.role == "text") {
 905             // It should not be possible to hide the "text" role
 906             continue;
 907         }
 908
 909         const QString text = m_model->roleDescription(info.role);
 910         QAction* action = 0;
 911         if (info.group.isEmpty()) {
 912             action = menu->addAction(text);
 913         } else {
 914             if (!groupMenu || info.group != groupName) {
 915                 groupName = info.group;
 916                 groupMenu = menu->addMenu(groupName);
 917             }
 918
 919             action = groupMenu->addAction(text);
 920         }
 921
 922         action->setCheckable(true);
 923         action->setChecked(visibleRolesSet.contains(info.role));
 924         action->setData(info.role);
 925
 926         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 927                             (info.requiresBaloo) ||
 928                             (info.requiresIndexer && indexingEnabled);
 929         action->setEnabled(enable);
 930     }
 931
 932     menu->addSeparator();
 933
 934     QActionGroup* widthsGroup = new QActionGroup(menu);
 935     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 936
 937     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 938     autoAdjustWidthsAction->setCheckable(true);
 939     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 940     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 941
 942     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 943     customWidthsAction->setCheckable(true);
 944     customWidthsAction->setChecked(!autoColumnWidths);
 945     customWidthsAction->setActionGroup(widthsGroup);
 946
 947     QAction* action = menu->exec(pos.toPoint());
 948     if (menu && action) {
 949         KItemListHeader* header = view->header();
 950
 951         if (action == autoAdjustWidthsAction) {
 952             // Clear the column-widths from the viewproperties and turn on
 953             // the automatic resizing of the columns
 954             props.setHeaderColumnWidths(QList<int>());
 955             header->setAutomaticColumnResizing(true);
 956         } else if (action == customWidthsAction) {
 957             // Apply the current column-widths as custom column-widths and turn
 958             // off the automatic resizing of the columns
 959             QList<int> columnWidths;
 960             columnWidths.reserve(view->visibleRoles().count());
 961             foreach (const QByteArray& role, view->visibleRoles()) {
 962                 columnWidths.append(header->columnWidth(role));
 963             }
 964             props.setHeaderColumnWidths(columnWidths);
 965             header->setAutomaticColumnResizing(false);
 966         } else {
 967             // Show or hide the selected role
 968             const QByteArray selectedRole = action->data().toByteArray();
 969
 970             QList<QByteArray> visibleRoles = view->visibleRoles();
 971             if (action->isChecked()) {
 972                 visibleRoles.append(selectedRole);
 973             } else {
 974                 visibleRoles.removeOne(selectedRole);
 975             }
 976
 977             view->setVisibleRoles(visibleRoles);
 978             props.setVisibleRoles(visibleRoles);
 979
 980             QList<int> columnWidths;
 981             if (!header->automaticColumnResizing()) {
 982                 columnWidths.reserve(view->visibleRoles().count());
 983                 foreach (const QByteArray& role, view->visibleRoles()) {
 984                     columnWidths.append(header->columnWidth(role));
 985                 }
 986             }
 987             props.setHeaderColumnWidths(columnWidths);
 988         }
 989     }
 990
 991     delete menu;
 992 }
 993
 994 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
 995 {
 996     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 997
 998     ViewProperties props(viewPropertiesUrl());
 999     QList<int> columnWidths = props.headerColumnWidths();
1000     if (columnWidths.count() != visibleRoles.count()) {
1001         columnWidths.clear();
1002         columnWidths.reserve(visibleRoles.count());
1003         const KItemListHeader* header = m_view->header();
1004         foreach (const QByteArray& role, visibleRoles) {
1005             const int width = header->columnWidth(role);
1006             columnWidths.append(width);
1007         }
1008     }
1009
1010     const int roleIndex = visibleRoles.indexOf(role);
1011     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1012     columnWidths[roleIndex] = current;
1013
1014     props.setHeaderColumnWidths(columnWidths);
1015 }
1016
1017 void DolphinView::slotItemHovered(int index)
1018 {
1019     const KFileItem item = m_model->fileItem(index);
1020
1021     if (GeneralSettings::showToolTips() && !m_dragging) {
1022         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1023         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1024         itemRect.moveTo(pos);
1025
1026         m_toolTipManager->showToolTip(item, itemRect);
1027     }
1028
1029     emit requestItemInfo(item);
1030 }
1031
1032 void DolphinView::slotItemUnhovered(int index)
1033 {
1034     Q_UNUSED(index);
1035     hideToolTip();
1036     emit requestItemInfo(KFileItem());
1037 }
1038
1039 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1040 {
1041     QUrl destUrl;
1042     KFileItem destItem = m_model->fileItem(index);
1043     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1044         // Use the URL of the view as drop target if the item is no directory
1045         // or desktop-file
1046         destItem = m_model->rootItem();
1047         destUrl = url();
1048     } else {
1049         // The item represents a directory or desktop-file
1050         destUrl = destItem.mostLocalUrl();
1051     }
1052
1053     QDropEvent dropEvent(event->pos().toPoint(),
1054                          event->possibleActions(),
1055                          event->mimeData(),
1056                          event->buttons(),
1057                          event->modifiers());
1058     dropUrls(destUrl, &dropEvent);
1059
1060     setActive(true);
1061 }
1062
1063 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent)
1064 {
1065     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, this);
1066
1067     if (job) {
1068         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1069
1070         if (destUrl == url()) {
1071             // Mark the dropped urls as selected.
1072             m_clearSelectionBeforeSelectingNewItems = true;
1073             m_markFirstNewlySelectedItemAsCurrent = true;
1074             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1075         }
1076     }
1077 }
1078
1079 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1080 {
1081     if (previous != 0) {
1082         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1083         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1084         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1085         m_versionControlObserver->setModel(0);
1086     }
1087
1088     if (current) {
1089         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1090         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1091         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1092         m_versionControlObserver->setModel(fileItemModel);
1093     }
1094 }
1095
1096 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1097 {
1098     Q_UNUSED(itemIndex);
1099
1100     hideToolTip();
1101
1102     if (buttons & Qt::BackButton) {
1103         emit goBackRequested();
1104     } else if (buttons & Qt::ForwardButton) {
1105         emit goForwardRequested();
1106     }
1107 }
1108
1109 void DolphinView::slotItemCreated(const QUrl& url)
1110 {
1111     if (m_markFirstNewlySelectedItemAsCurrent) {
1112         markUrlAsCurrent(url);
1113         m_markFirstNewlySelectedItemAsCurrent = false;
1114     }
1115     m_selectedUrls << url;
1116 }
1117
1118 void DolphinView::slotPasteJobResult(KJob *job)
1119 {
1120     if (job->error()) {
1121         emit errorMessage(job->errorString());
1122     }
1123     if (!m_selectedUrls.isEmpty()) {
1124         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1125     }
1126 }
1127
1128 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1129 {
1130     const int currentCount = current.count();
1131     const int previousCount = previous.count();
1132     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1133                                        (currentCount >  0 && previousCount == 0);
1134
1135     // If nothing has been selected before and something got selected (or if something
1136     // was selected before and now nothing is selected) the selectionChangedSignal must
1137     // be emitted asynchronously as fast as possible to update the edit-actions.
1138     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1139     m_selectionChangedTimer->start();
1140 }
1141
1142 void DolphinView::emitSelectionChangedSignal()
1143 {
1144     m_selectionChangedTimer->stop();
1145     emit selectionChanged(selectedItems());
1146 }
1147
1148 void DolphinView::updateSortRole(const QByteArray& role)
1149 {
1150     ViewProperties props(viewPropertiesUrl());
1151     props.setSortRole(role);
1152
1153     KItemModelBase* model = m_container->controller()->model();
1154     model->setSortRole(role);
1155
1156     emit sortRoleChanged(role);
1157 }
1158
1159 void DolphinView::updateSortOrder(Qt::SortOrder order)
1160 {
1161     ViewProperties props(viewPropertiesUrl());
1162     props.setSortOrder(order);
1163
1164     m_model->setSortOrder(order);
1165
1166     emit sortOrderChanged(order);
1167 }
1168
1169 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1170 {
1171     ViewProperties props(viewPropertiesUrl());
1172     props.setSortFoldersFirst(foldersFirst);
1173
1174     m_model->setSortDirectoriesFirst(foldersFirst);
1175
1176     emit sortFoldersFirstChanged(foldersFirst);
1177 }
1178
1179 QPair<bool, QString> DolphinView::pasteInfo() const
1180 {
1181     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1182     QPair<bool, QString> info;
1183     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1184     return info;
1185 }
1186
1187 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1188 {
1189     m_tabsForFiles = tabsForFiles;
1190 }
1191
1192 bool DolphinView::isTabsForFilesEnabled() const
1193 {
1194     return m_tabsForFiles;
1195 }
1196
1197 bool DolphinView::itemsExpandable() const
1198 {
1199     return m_mode == DetailsView;
1200 }
1201
1202 void DolphinView::restoreState(QDataStream& stream)
1203 {
1204     // Read the version number of the view state and check if the version is supported.
1205     quint32 version = 0;
1206     stream >> version;
1207     if (version != 1) {
1208         // The version of the view state isn't supported, we can't restore it.
1209         return;
1210     }
1211
1212     // Restore the current item that had the keyboard focus
1213     stream >> m_currentItemUrl;
1214
1215     // Restore the view position
1216     stream >> m_restoredContentsPosition;
1217
1218     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1219     QSet<QUrl> urls;
1220     stream >> urls;
1221     m_model->restoreExpandedDirectories(urls);
1222 }
1223
1224 void DolphinView::saveState(QDataStream& stream)
1225 {
1226     stream << quint32(1); // View state version
1227
1228     // Save the current item that has the keyboard focus
1229     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1230     if (currentIndex != -1) {
1231         KFileItem item = m_model->fileItem(currentIndex);
1232         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1233         QUrl currentItemUrl = item.url();
1234         stream << currentItemUrl;
1235     } else {
1236         stream << QUrl();
1237     }
1238
1239     // Save view position
1240     const qreal x = m_container->horizontalScrollBar()->value();
1241     const qreal y = m_container->verticalScrollBar()->value();
1242     stream << QPoint(x, y);
1243
1244     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1245     stream << m_model->expandedDirectories();
1246 }
1247
1248 KFileItem DolphinView::rootItem() const
1249 {
1250     return m_model->rootItem();
1251 }
1252
1253 void DolphinView::setViewPropertiesContext(const QString& context)
1254 {
1255     m_viewPropertiesContext = context;
1256 }
1257
1258 QString DolphinView::viewPropertiesContext() const
1259 {
1260     return m_viewPropertiesContext;
1261 }
1262
1263 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1264 {
1265     if (item.isNull()) {
1266         return QUrl();
1267     }
1268
1269     QUrl url = item.targetUrl();
1270
1271     if (item.isDir()) {
1272         return url;
1273     }
1274
1275     if (item.isMimeTypeKnown()) {
1276         const QString& mimetype = item.mimetype();
1277
1278         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1279             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1280             // zip:/<path>/ when clicking on a zip file, etc.
1281             // The .protocol file specifies the mimetype that the kioslave handles.
1282             // Note that we don't use mimetype inheritance since we don't want to
1283             // open OpenDocument files as zip folders...
1284             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1285             if (!protocol.isEmpty()) {
1286                 url.setScheme(protocol);
1287                 return url;
1288             }
1289         }
1290
1291         if (mimetype == QLatin1String("application/x-desktop")) {
1292             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1293             KDesktopFile desktopFile(url.toLocalFile());
1294             if (desktopFile.hasLinkType()) {
1295                 const QString linkUrl = desktopFile.readUrl();
1296                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1297                     return QUrl::fromUserInput(linkUrl);
1298                 }
1299             }
1300         }
1301     }
1302
1303     return QUrl();
1304 }
1305
1306 void DolphinView::observeCreatedItem(const QUrl& url)
1307 {
1308     if (m_active) {
1309         clearSelection();
1310         markUrlAsCurrent(url);
1311         markUrlsAsSelected({url});
1312     }
1313 }
1314
1315 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1316 {
1317     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1318         emit redirection(oldUrl, newUrl);
1319         m_url = newUrl; // #186947
1320     }
1321 }
1322
1323 void DolphinView::updateViewState()
1324 {
1325     if (m_currentItemUrl != QUrl()) {
1326         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1327         const int currentIndex = m_model->index(m_currentItemUrl);
1328         if (currentIndex != -1) {
1329             selectionManager->setCurrentItem(currentIndex);
1330
1331             // scroll to current item and reset the state
1332             if (m_scrollToCurrentItem) {
1333                 m_view->scrollToItem(currentIndex);
1334                 m_scrollToCurrentItem = false;
1335             }
1336         } else {
1337             selectionManager->setCurrentItem(0);
1338         }
1339
1340         m_currentItemUrl = QUrl();
1341     }
1342
1343     if (!m_restoredContentsPosition.isNull()) {
1344         const int x = m_restoredContentsPosition.x();
1345         const int y = m_restoredContentsPosition.y();
1346         m_restoredContentsPosition = QPoint();
1347
1348         m_container->horizontalScrollBar()->setValue(x);
1349         m_container->verticalScrollBar()->setValue(y);
1350     }
1351
1352     if (!m_selectedUrls.isEmpty()) {
1353         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1354
1355         if (m_clearSelectionBeforeSelectingNewItems) {
1356             selectionManager->clearSelection();
1357             m_clearSelectionBeforeSelectingNewItems = false;
1358         }
1359
1360         KItemSet selectedItems = selectionManager->selectedItems();
1361
1362         QList<QUrl>::iterator it = m_selectedUrls.begin();
1363         while (it != m_selectedUrls.end()) {
1364             const int index = m_model->index(*it);
1365             if (index >= 0) {
1366                 selectedItems.insert(index);
1367                 it = m_selectedUrls.erase(it);
1368             } else {
1369                  ++it;
1370             }
1371         }
1372
1373         selectionManager->setSelectedItems(selectedItems);
1374     }
1375 }
1376
1377 void DolphinView::hideToolTip()
1378 {
1379     if (GeneralSettings::showToolTips()) {
1380         m_toolTipManager->hideToolTip();
1381     }
1382 }
1383
1384 void DolphinView::calculateItemCount(int& fileCount,
1385                                      int& folderCount,
1386                                      KIO::filesize_t& totalFileSize) const
1387 {
1388     const int itemCount = m_model->count();
1389     for (int i = 0; i < itemCount; ++i) {
1390         const KFileItem item = m_model->fileItem(i);
1391         if (item.isDir()) {
1392             ++folderCount;
1393         } else {
1394             ++fileCount;
1395             totalFileSize += item.size();
1396         }
1397     }
1398 }
1399
1400 void DolphinView::slotTrashFileFinished(KJob* job)
1401 {
1402     if (job->error() == 0) {
1403         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1404     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1405         emit errorMessage(job->errorString());
1406     }
1407 }
1408
1409 void DolphinView::slotDeleteFileFinished(KJob* job)
1410 {
1411     if (job->error() == 0) {
1412         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1413     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1414         emit errorMessage(job->errorString());
1415     }
1416 }
1417
1418 void DolphinView::slotRenamingResult(KJob* job)
1419 {
1420     if (job->error()) {
1421         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1422         Q_ASSERT(copyJob);
1423         const QUrl newUrl = copyJob->destUrl();
1424         const int index = m_model->index(newUrl);
1425         if (index >= 0) {
1426             QHash<QByteArray, QVariant> data;
1427             const QUrl oldUrl = copyJob->srcUrls().at(0);
1428             data.insert("text", oldUrl.fileName());
1429             m_model->setData(index, data);
1430         }
1431     }
1432 }
1433
1434 void DolphinView::slotDirectoryLoadingStarted()
1435 {
1436     // Disable the writestate temporary until it can be determined in a fast way
1437     // in DolphinView::slotLoadingCompleted()
1438     if (m_isFolderWritable) {
1439         m_isFolderWritable = false;
1440         emit writeStateChanged(m_isFolderWritable);
1441     }
1442
1443     emit directoryLoadingStarted();
1444 }
1445
1446 void DolphinView::slotDirectoryLoadingCompleted()
1447 {
1448     // Update the view-state. This has to be done asynchronously
1449     // because the view might not be in its final state yet.
1450     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1451
1452     emit directoryLoadingCompleted();
1453
1454     updateWritableState();
1455 }
1456
1457 void DolphinView::slotItemsChanged()
1458 {
1459     m_assureVisibleCurrentIndex = false;
1460 }
1461
1462 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1463 {
1464     Q_UNUSED(previous);
1465     Q_ASSERT(m_model->sortOrder() == current);
1466
1467     ViewProperties props(viewPropertiesUrl());
1468     props.setSortOrder(current);
1469
1470     emit sortOrderChanged(current);
1471 }
1472
1473 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1474 {
1475     Q_UNUSED(previous);
1476     Q_ASSERT(m_model->sortRole() == current);
1477
1478     ViewProperties props(viewPropertiesUrl());
1479     props.setSortRole(current);
1480
1481     emit sortRoleChanged(current);
1482 }
1483
1484 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1485                                                   const QList<QByteArray>& previous)
1486 {
1487     Q_UNUSED(previous);
1488     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1489
1490     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1491
1492     m_visibleRoles = current;
1493
1494     ViewProperties props(viewPropertiesUrl());
1495     props.setVisibleRoles(m_visibleRoles);
1496
1497     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1498 }
1499
1500 void DolphinView::slotRoleEditingCanceled()
1501 {
1502     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1503                this, &DolphinView::slotRoleEditingFinished);
1504 }
1505
1506 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1507 {
1508     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1509                this, &DolphinView::slotRoleEditingFinished);
1510
1511     if (index < 0 || index >= m_model->count()) {
1512         return;
1513     }
1514
1515     if (role == "text") {
1516         const KFileItem oldItem = m_model->fileItem(index);
1517         const QString newName = value.toString();
1518         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1519             const QUrl oldUrl = oldItem.url();
1520
1521             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1522             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1523
1524             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1525             if (!newNameExistsAlready) {
1526                 // Only change the data in the model if no item with the new name
1527                 // is in the model yet. If there is an item with the new name
1528                 // already, calling KIO::CopyJob will open a dialog
1529                 // asking for a new name, and KFileItemModel will update the
1530                 // data when the dir lister signals that the file name has changed.
1531                 QHash<QByteArray, QVariant> data;
1532                 data.insert(role, value);
1533                 m_model->setData(index, data);
1534             }
1535
1536             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1537             KJobWidgets::setWindow(job, this);
1538             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1539             job->ui()->setAutoErrorHandlingEnabled(true);
1540
1541             if (!newNameExistsAlready) {
1542                 // Only connect the result signal if there is no item with the new name
1543                 // in the model yet, see bug 328262.
1544                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1545             }
1546         }
1547     }
1548 }
1549
1550 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1551 {
1552     if (!url.isValid()) {
1553         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1554         if (location.isEmpty()) {
1555             emit errorMessage(i18nc("@info:status", "The location is empty."));
1556         } else {
1557             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1558         }
1559         return;
1560     }
1561
1562     if (reload) {
1563         m_model->refreshDirectory(url);
1564     } else {
1565         m_model->loadDirectory(url);
1566     }
1567 }
1568
1569 void DolphinView::applyViewProperties()
1570 {
1571     const ViewProperties props(viewPropertiesUrl());
1572     applyViewProperties(props);
1573 }
1574
1575 void DolphinView::applyViewProperties(const ViewProperties& props)
1576 {
1577     m_view->beginTransaction();
1578
1579     const Mode mode = props.viewMode();
1580     if (m_mode != mode) {
1581         const Mode previousMode = m_mode;
1582         m_mode = mode;
1583
1584         // Changing the mode might result in changing
1585         // the zoom level. Remember the old zoom level so
1586         // that zoomLevelChanged() can get emitted.
1587         const int oldZoomLevel = m_view->zoomLevel();
1588         applyModeToView();
1589
1590         emit modeChanged(m_mode, previousMode);
1591
1592         if (m_view->zoomLevel() != oldZoomLevel) {
1593             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1594         }
1595     }
1596
1597     const bool hiddenFilesShown = props.hiddenFilesShown();
1598     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1599         m_model->setShowHiddenFiles(hiddenFilesShown);
1600         emit hiddenFilesShownChanged(hiddenFilesShown);
1601     }
1602
1603     const bool groupedSorting = props.groupedSorting();
1604     if (groupedSorting != m_model->groupedSorting()) {
1605         m_model->setGroupedSorting(groupedSorting);
1606         emit groupedSortingChanged(groupedSorting);
1607     }
1608
1609     const QByteArray sortRole = props.sortRole();
1610     if (sortRole != m_model->sortRole()) {
1611         m_model->setSortRole(sortRole);
1612         emit sortRoleChanged(sortRole);
1613     }
1614
1615     const Qt::SortOrder sortOrder = props.sortOrder();
1616     if (sortOrder != m_model->sortOrder()) {
1617         m_model->setSortOrder(sortOrder);
1618         emit sortOrderChanged(sortOrder);
1619     }
1620
1621     const bool sortFoldersFirst = props.sortFoldersFirst();
1622     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1623         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1624         emit sortFoldersFirstChanged(sortFoldersFirst);
1625     }
1626
1627     const QList<QByteArray> visibleRoles = props.visibleRoles();
1628     if (visibleRoles != m_visibleRoles) {
1629         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1630         m_visibleRoles = visibleRoles;
1631         m_view->setVisibleRoles(visibleRoles);
1632         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1633     }
1634
1635     const bool previewsShown = props.previewsShown();
1636     if (previewsShown != m_view->previewsShown()) {
1637         const int oldZoomLevel = zoomLevel();
1638
1639         m_view->setPreviewsShown(previewsShown);
1640         emit previewsShownChanged(previewsShown);
1641
1642         // Changing the preview-state might result in a changed zoom-level
1643         if (oldZoomLevel != zoomLevel()) {
1644             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1645         }
1646     }
1647
1648     KItemListView* itemListView = m_container->controller()->view();
1649     if (itemListView->isHeaderVisible()) {
1650         KItemListHeader* header = itemListView->header();
1651         const QList<int> headerColumnWidths = props.headerColumnWidths();
1652         const int rolesCount = m_visibleRoles.count();
1653         if (headerColumnWidths.count() == rolesCount) {
1654             header->setAutomaticColumnResizing(false);
1655
1656             QHash<QByteArray, qreal> columnWidths;
1657             for (int i = 0; i < rolesCount; ++i) {
1658                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1659             }
1660             header->setColumnWidths(columnWidths);
1661         } else {
1662             header->setAutomaticColumnResizing(true);
1663         }
1664     }
1665
1666     m_view->endTransaction();
1667 }
1668
1669 void DolphinView::applyModeToView()
1670 {
1671     switch (m_mode) {
1672     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1673     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1674     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1675     default: Q_ASSERT(false); break;
1676     }
1677 }
1678
1679 void DolphinView::pasteToUrl(const QUrl& url)
1680 {
1681     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1682     KJobWidgets::setWindow(job, this);
1683     m_clearSelectionBeforeSelectingNewItems = true;
1684     m_markFirstNewlySelectedItemAsCurrent = true;
1685     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1686     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1687 }
1688
1689 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1690 {
1691     QList<QUrl> urls;
1692
1693     const KFileItemList items = selectedItems();
1694     urls.reserve(items.count());
1695     foreach (const KFileItem& item, items) {
1696         urls.append(item.url());
1697     }
1698
1699     if (itemsExpandable()) {
1700         // TODO: Check if we still need KDirModel for this in KDE 5.0
1701         urls = KDirModel::simplifiedUrlList(urls);
1702     }
1703
1704     return urls;
1705 }
1706
1707 QMimeData* DolphinView::selectionMimeData() const
1708 {
1709     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1710     const KItemSet selectedIndexes = selectionManager->selectedItems();
1711
1712     return m_model->createMimeData(selectedIndexes);
1713 }
1714
1715 void DolphinView::updateWritableState()
1716 {
1717     const bool wasFolderWritable = m_isFolderWritable;
1718     m_isFolderWritable = false;
1719
1720     KFileItem item = m_model->rootItem();
1721     if (item.isNull()) {
1722         // Try to find out if the URL is writable even if the "root item" is
1723         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1724         item = KFileItem(url());
1725         item.setDelayedMimeTypes(true);
1726     }
1727
1728     KFileItemListProperties capabilities(KFileItemList() << item);
1729     m_isFolderWritable = capabilities.supportsWriting();
1730
1731     if (m_isFolderWritable != wasFolderWritable) {
1732         emit writeStateChanged(m_isFolderWritable);
1733     }
1734 }
1735
1736 QUrl DolphinView::viewPropertiesUrl() const
1737 {
1738     if (m_viewPropertiesContext.isEmpty()) {
1739         return m_url;
1740     }
1741
1742     QUrl url;
1743     url.setScheme(m_url.scheme());
1744     url.setPath(m_viewPropertiesContext);
1745     return url;
1746 }