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