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::KeyPress:
 728         if (GeneralSettings::useTabForSwitchingSplitView()) {
 729             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 730             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 731                 toggleActiveViewRequested();
 732                 return true;
 733             }
 734         }
 735         break;
 736     case QEvent::FocusIn:
 737         if (watched == m_container) {
 738             setActive(true);
 739         }
 740         break;
 741
 742     case QEvent::GraphicsSceneDragEnter:
 743         if (watched == m_view) {
 744             m_dragging = true;
 745         }
 746         break;
 747
 748     case QEvent::GraphicsSceneDragLeave:
 749         if (watched == m_view) {
 750             m_dragging = false;
 751         }
 752         break;
 753
 754     case QEvent::GraphicsSceneDrop:
 755         if (watched == m_view) {
 756             m_dragging = false;
 757         }
 758     default:
 759         break;
 760     }
 761
 762     return QWidget::eventFilter(watched, event);
 763 }
 764
 765 void DolphinView::wheelEvent(QWheelEvent* event)
 766 {
 767     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 768         const int numDegrees = event->delta() / 8;
 769         const int numSteps = numDegrees / 15;
 770
 771         setZoomLevel(zoomLevel() + numSteps);
 772         event->accept();
 773     } else {
 774         event->ignore();
 775     }
 776 }
 777
 778 void DolphinView::hideEvent(QHideEvent* event)
 779 {
 780     hideToolTip();
 781     QWidget::hideEvent(event);
 782 }
 783
 784 bool DolphinView::event(QEvent* event)
 785 {
 786     /* See Bug 297355
 787      * Dolphin leaves file preview tooltips open even when is not visible.
 788      *
 789      * Hide tool-tip when Dolphin loses focus.
 790      */
 791     if (event->type() == QEvent::WindowDeactivate) {
 792         hideToolTip();
 793     }
 794
 795     return QWidget::event(event);
 796 }
 797
 798 void DolphinView::activate()
 799 {
 800     setActive(true);
 801 }
 802
 803 void DolphinView::slotItemActivated(int index)
 804 {
 805     const KFileItem item = m_model->fileItem(index);
 806     if (!item.isNull()) {
 807         emit itemActivated(item);
 808     }
 809 }
 810
 811 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 812 {
 813     Q_ASSERT(indexes.count() >= 2);
 814
 815     if (indexes.count() > 5) {
 816         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 817         const int answer = KMessageBox::warningYesNo(this, question);
 818         if (answer != KMessageBox::Yes) {
 819             return;
 820         }
 821     }
 822
 823     KFileItemList items;
 824     items.reserve(indexes.count());
 825
 826     for (int index : indexes) {
 827         KFileItem item = m_model->fileItem(index);
 828         const QUrl& url = openItemAsFolderUrl(item);
 829
 830         if (!url.isEmpty()) { // Open folders in new tabs
 831             emit tabRequested(url);
 832         } else {
 833             items.append(item);
 834         }
 835     }
 836
 837     if (items.count() == 1) {
 838         emit itemActivated(items.first());
 839     } else if (items.count() > 1) {
 840         emit itemsActivated(items);
 841     }
 842 }
 843
 844 void DolphinView::slotItemMiddleClicked(int index)
 845 {
 846     const KFileItem& item = m_model->fileItem(index);
 847     const QUrl& url = openItemAsFolderUrl(item);
 848     if (!url.isEmpty()) {
 849         emit tabRequested(url);
 850     } else if (isTabsForFilesEnabled()) {
 851         emit tabRequested(item.url());
 852     }
 853 }
 854
 855 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 856 {
 857     // Force emit of a selection changed signal before we request the
 858     // context menu, to update the edit-actions first. (See Bug 294013)
 859     if (m_selectionChangedTimer->isActive()) {
 860         emitSelectionChangedSignal();
 861     }
 862
 863     const KFileItem item = m_model->fileItem(index);
 864     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 865 }
 866
 867 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 868 {
 869     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 870 }
 871
 872 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 873 {
 874     ViewProperties props(viewPropertiesUrl());
 875
 876     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 877
 878     KItemListView* view = m_container->controller()->view();
 879     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 880
 881     bool indexingEnabled = false;
 882 #ifdef HAVE_BALOO
 883     Baloo::IndexerConfig config;
 884     indexingEnabled = config.fileIndexingEnabled();
 885 #endif
 886
 887     QString groupName;
 888     QMenu* groupMenu = 0;
 889
 890     // Add all roles to the menu that can be shown or hidden by the user
 891     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 892     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 893         if (info.role == "text") {
 894             // It should not be possible to hide the "text" role
 895             continue;
 896         }
 897
 898         const QString text = m_model->roleDescription(info.role);
 899         QAction* action = 0;
 900         if (info.group.isEmpty()) {
 901             action = menu->addAction(text);
 902         } else {
 903             if (!groupMenu || info.group != groupName) {
 904                 groupName = info.group;
 905                 groupMenu = menu->addMenu(groupName);
 906             }
 907
 908             action = groupMenu->addAction(text);
 909         }
 910
 911         action->setCheckable(true);
 912         action->setChecked(visibleRolesSet.contains(info.role));
 913         action->setData(info.role);
 914
 915         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 916                             (info.requiresBaloo) ||
 917                             (info.requiresIndexer && indexingEnabled);
 918         action->setEnabled(enable);
 919     }
 920
 921     menu->addSeparator();
 922
 923     QActionGroup* widthsGroup = new QActionGroup(menu);
 924     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 925
 926     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 927     autoAdjustWidthsAction->setCheckable(true);
 928     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 929     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 930
 931     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 932     customWidthsAction->setCheckable(true);
 933     customWidthsAction->setChecked(!autoColumnWidths);
 934     customWidthsAction->setActionGroup(widthsGroup);
 935
 936     QAction* action = menu->exec(pos.toPoint());
 937     if (menu && action) {
 938         KItemListHeader* header = view->header();
 939
 940         if (action == autoAdjustWidthsAction) {
 941             // Clear the column-widths from the viewproperties and turn on
 942             // the automatic resizing of the columns
 943             props.setHeaderColumnWidths(QList<int>());
 944             header->setAutomaticColumnResizing(true);
 945         } else if (action == customWidthsAction) {
 946             // Apply the current column-widths as custom column-widths and turn
 947             // off the automatic resizing of the columns
 948             QList<int> columnWidths;
 949             columnWidths.reserve(view->visibleRoles().count());
 950             foreach (const QByteArray& role, view->visibleRoles()) {
 951                 columnWidths.append(header->columnWidth(role));
 952             }
 953             props.setHeaderColumnWidths(columnWidths);
 954             header->setAutomaticColumnResizing(false);
 955         } else {
 956             // Show or hide the selected role
 957             const QByteArray selectedRole = action->data().toByteArray();
 958
 959             QList<QByteArray> visibleRoles = view->visibleRoles();
 960             if (action->isChecked()) {
 961                 visibleRoles.append(selectedRole);
 962             } else {
 963                 visibleRoles.removeOne(selectedRole);
 964             }
 965
 966             view->setVisibleRoles(visibleRoles);
 967             props.setVisibleRoles(visibleRoles);
 968
 969             QList<int> columnWidths;
 970             if (!header->automaticColumnResizing()) {
 971                 columnWidths.reserve(view->visibleRoles().count());
 972                 foreach (const QByteArray& role, view->visibleRoles()) {
 973                     columnWidths.append(header->columnWidth(role));
 974                 }
 975             }
 976             props.setHeaderColumnWidths(columnWidths);
 977         }
 978     }
 979
 980     delete menu;
 981 }
 982
 983 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
 984 {
 985     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 986
 987     ViewProperties props(viewPropertiesUrl());
 988     QList<int> columnWidths = props.headerColumnWidths();
 989     if (columnWidths.count() != visibleRoles.count()) {
 990         columnWidths.clear();
 991         columnWidths.reserve(visibleRoles.count());
 992         const KItemListHeader* header = m_view->header();
 993         foreach (const QByteArray& role, visibleRoles) {
 994             const int width = header->columnWidth(role);
 995             columnWidths.append(width);
 996         }
 997     }
 998
 999     const int roleIndex = visibleRoles.indexOf(role);
1000     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1001     columnWidths[roleIndex] = current;
1002
1003     props.setHeaderColumnWidths(columnWidths);
1004 }
1005
1006 void DolphinView::slotItemHovered(int index)
1007 {
1008     const KFileItem item = m_model->fileItem(index);
1009
1010     if (GeneralSettings::showToolTips() && !m_dragging) {
1011         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1012         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1013         itemRect.moveTo(pos);
1014
1015         m_toolTipManager->showToolTip(item, itemRect);
1016     }
1017
1018     emit requestItemInfo(item);
1019 }
1020
1021 void DolphinView::slotItemUnhovered(int index)
1022 {
1023     Q_UNUSED(index);
1024     hideToolTip();
1025     emit requestItemInfo(KFileItem());
1026 }
1027
1028 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1029 {
1030     QUrl destUrl;
1031     KFileItem destItem = m_model->fileItem(index);
1032     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1033         // Use the URL of the view as drop target if the item is no directory
1034         // or desktop-file
1035         destItem = m_model->rootItem();
1036         destUrl = url();
1037     } else {
1038         // The item represents a directory or desktop-file
1039         destUrl = destItem.mostLocalUrl();
1040     }
1041
1042     QDropEvent dropEvent(event->pos().toPoint(),
1043                          event->possibleActions(),
1044                          event->mimeData(),
1045                          event->buttons(),
1046                          event->modifiers());
1047     dropUrls(destUrl, &dropEvent);
1048
1049     setActive(true);
1050 }
1051
1052 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent)
1053 {
1054     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, this);
1055
1056     if (job) {
1057         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1058
1059         if (destUrl == url()) {
1060             // Mark the dropped urls as selected.
1061             m_clearSelectionBeforeSelectingNewItems = true;
1062             m_markFirstNewlySelectedItemAsCurrent = true;
1063             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1064         }
1065     }
1066 }
1067
1068 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1069 {
1070     if (previous != 0) {
1071         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1072         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1073         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1074         m_versionControlObserver->setModel(0);
1075     }
1076
1077     if (current) {
1078         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1079         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1080         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1081         m_versionControlObserver->setModel(fileItemModel);
1082     }
1083 }
1084
1085 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1086 {
1087     Q_UNUSED(itemIndex);
1088
1089     hideToolTip();
1090
1091     if (buttons & Qt::BackButton) {
1092         emit goBackRequested();
1093     } else if (buttons & Qt::ForwardButton) {
1094         emit goForwardRequested();
1095     }
1096 }
1097
1098 void DolphinView::slotItemCreated(const QUrl& url)
1099 {
1100     if (m_markFirstNewlySelectedItemAsCurrent) {
1101         markUrlAsCurrent(url);
1102         m_markFirstNewlySelectedItemAsCurrent = false;
1103     }
1104     m_selectedUrls << url;
1105 }
1106
1107 void DolphinView::slotPasteJobResult(KJob *job)
1108 {
1109     if (job->error()) {
1110         emit errorMessage(job->errorString());
1111     }
1112     if (!m_selectedUrls.isEmpty()) {
1113         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1114     }
1115 }
1116
1117 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1118 {
1119     const int currentCount = current.count();
1120     const int previousCount = previous.count();
1121     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1122                                        (currentCount >  0 && previousCount == 0);
1123
1124     // If nothing has been selected before and something got selected (or if something
1125     // was selected before and now nothing is selected) the selectionChangedSignal must
1126     // be emitted asynchronously as fast as possible to update the edit-actions.
1127     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1128     m_selectionChangedTimer->start();
1129 }
1130
1131 void DolphinView::emitSelectionChangedSignal()
1132 {
1133     m_selectionChangedTimer->stop();
1134     emit selectionChanged(selectedItems());
1135 }
1136
1137 void DolphinView::updateSortRole(const QByteArray& role)
1138 {
1139     ViewProperties props(viewPropertiesUrl());
1140     props.setSortRole(role);
1141
1142     KItemModelBase* model = m_container->controller()->model();
1143     model->setSortRole(role);
1144
1145     emit sortRoleChanged(role);
1146 }
1147
1148 void DolphinView::updateSortOrder(Qt::SortOrder order)
1149 {
1150     ViewProperties props(viewPropertiesUrl());
1151     props.setSortOrder(order);
1152
1153     m_model->setSortOrder(order);
1154
1155     emit sortOrderChanged(order);
1156 }
1157
1158 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1159 {
1160     ViewProperties props(viewPropertiesUrl());
1161     props.setSortFoldersFirst(foldersFirst);
1162
1163     m_model->setSortDirectoriesFirst(foldersFirst);
1164
1165     emit sortFoldersFirstChanged(foldersFirst);
1166 }
1167
1168 QPair<bool, QString> DolphinView::pasteInfo() const
1169 {
1170     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1171     QPair<bool, QString> info;
1172     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1173     return info;
1174 }
1175
1176 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1177 {
1178     m_tabsForFiles = tabsForFiles;
1179 }
1180
1181 bool DolphinView::isTabsForFilesEnabled() const
1182 {
1183     return m_tabsForFiles;
1184 }
1185
1186 bool DolphinView::itemsExpandable() const
1187 {
1188     return m_mode == DetailsView;
1189 }
1190
1191 void DolphinView::restoreState(QDataStream& stream)
1192 {
1193     // Read the version number of the view state and check if the version is supported.
1194     quint32 version = 0;
1195     stream >> version;
1196     if (version != 1) {
1197         // The version of the view state isn't supported, we can't restore it.
1198         return;
1199     }
1200
1201     // Restore the current item that had the keyboard focus
1202     stream >> m_currentItemUrl;
1203
1204     // Restore the view position
1205     stream >> m_restoredContentsPosition;
1206
1207     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1208     QSet<QUrl> urls;
1209     stream >> urls;
1210     m_model->restoreExpandedDirectories(urls);
1211 }
1212
1213 void DolphinView::saveState(QDataStream& stream)
1214 {
1215     stream << quint32(1); // View state version
1216
1217     // Save the current item that has the keyboard focus
1218     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1219     if (currentIndex != -1) {
1220         KFileItem item = m_model->fileItem(currentIndex);
1221         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1222         QUrl currentItemUrl = item.url();
1223         stream << currentItemUrl;
1224     } else {
1225         stream << QUrl();
1226     }
1227
1228     // Save view position
1229     const qreal x = m_container->horizontalScrollBar()->value();
1230     const qreal y = m_container->verticalScrollBar()->value();
1231     stream << QPoint(x, y);
1232
1233     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1234     stream << m_model->expandedDirectories();
1235 }
1236
1237 KFileItem DolphinView::rootItem() const
1238 {
1239     return m_model->rootItem();
1240 }
1241
1242 void DolphinView::setViewPropertiesContext(const QString& context)
1243 {
1244     m_viewPropertiesContext = context;
1245 }
1246
1247 QString DolphinView::viewPropertiesContext() const
1248 {
1249     return m_viewPropertiesContext;
1250 }
1251
1252 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1253 {
1254     if (item.isNull()) {
1255         return QUrl();
1256     }
1257
1258     QUrl url = item.targetUrl();
1259
1260     if (item.isDir()) {
1261         return url;
1262     }
1263
1264     if (item.isMimeTypeKnown()) {
1265         const QString& mimetype = item.mimetype();
1266
1267         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1268             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1269             // zip:/<path>/ when clicking on a zip file, etc.
1270             // The .protocol file specifies the mimetype that the kioslave handles.
1271             // Note that we don't use mimetype inheritance since we don't want to
1272             // open OpenDocument files as zip folders...
1273             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1274             if (!protocol.isEmpty()) {
1275                 url.setScheme(protocol);
1276                 return url;
1277             }
1278         }
1279
1280         if (mimetype == QLatin1String("application/x-desktop")) {
1281             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1282             KDesktopFile desktopFile(url.toLocalFile());
1283             if (desktopFile.hasLinkType()) {
1284                 const QString linkUrl = desktopFile.readUrl();
1285                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1286                     return QUrl::fromUserInput(linkUrl);
1287                 }
1288             }
1289         }
1290     }
1291
1292     return QUrl();
1293 }
1294
1295 void DolphinView::observeCreatedItem(const QUrl& url)
1296 {
1297     if (m_active) {
1298         clearSelection();
1299         markUrlAsCurrent(url);
1300         markUrlsAsSelected({url});
1301     }
1302 }
1303
1304 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1305 {
1306     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1307         emit redirection(oldUrl, newUrl);
1308         m_url = newUrl; // #186947
1309     }
1310 }
1311
1312 void DolphinView::updateViewState()
1313 {
1314     if (m_currentItemUrl != QUrl()) {
1315         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1316         const int currentIndex = m_model->index(m_currentItemUrl);
1317         if (currentIndex != -1) {
1318             selectionManager->setCurrentItem(currentIndex);
1319
1320             // scroll to current item and reset the state
1321             if (m_scrollToCurrentItem) {
1322                 m_view->scrollToItem(currentIndex);
1323                 m_scrollToCurrentItem = false;
1324             }
1325         } else {
1326             selectionManager->setCurrentItem(0);
1327         }
1328
1329         m_currentItemUrl = QUrl();
1330     }
1331
1332     if (!m_restoredContentsPosition.isNull()) {
1333         const int x = m_restoredContentsPosition.x();
1334         const int y = m_restoredContentsPosition.y();
1335         m_restoredContentsPosition = QPoint();
1336
1337         m_container->horizontalScrollBar()->setValue(x);
1338         m_container->verticalScrollBar()->setValue(y);
1339     }
1340
1341     if (!m_selectedUrls.isEmpty()) {
1342         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1343
1344         if (m_clearSelectionBeforeSelectingNewItems) {
1345             selectionManager->clearSelection();
1346             m_clearSelectionBeforeSelectingNewItems = false;
1347         }
1348
1349         KItemSet selectedItems = selectionManager->selectedItems();
1350
1351         QList<QUrl>::iterator it = m_selectedUrls.begin();
1352         while (it != m_selectedUrls.end()) {
1353             const int index = m_model->index(*it);
1354             if (index >= 0) {
1355                 selectedItems.insert(index);
1356                 it = m_selectedUrls.erase(it);
1357             } else {
1358                  ++it;
1359             }
1360         }
1361
1362         selectionManager->setSelectedItems(selectedItems);
1363     }
1364 }
1365
1366 void DolphinView::hideToolTip()
1367 {
1368     if (GeneralSettings::showToolTips()) {
1369         m_toolTipManager->hideToolTip();
1370     }
1371 }
1372
1373 void DolphinView::calculateItemCount(int& fileCount,
1374                                      int& folderCount,
1375                                      KIO::filesize_t& totalFileSize) const
1376 {
1377     const int itemCount = m_model->count();
1378     for (int i = 0; i < itemCount; ++i) {
1379         const KFileItem item = m_model->fileItem(i);
1380         if (item.isDir()) {
1381             ++folderCount;
1382         } else {
1383             ++fileCount;
1384             totalFileSize += item.size();
1385         }
1386     }
1387 }
1388
1389 void DolphinView::slotTrashFileFinished(KJob* job)
1390 {
1391     if (job->error() == 0) {
1392         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1393     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1394         emit errorMessage(job->errorString());
1395     }
1396 }
1397
1398 void DolphinView::slotDeleteFileFinished(KJob* job)
1399 {
1400     if (job->error() == 0) {
1401         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1402     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1403         emit errorMessage(job->errorString());
1404     }
1405 }
1406
1407 void DolphinView::slotRenamingResult(KJob* job)
1408 {
1409     if (job->error()) {
1410         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1411         Q_ASSERT(copyJob);
1412         const QUrl newUrl = copyJob->destUrl();
1413         const int index = m_model->index(newUrl);
1414         if (index >= 0) {
1415             QHash<QByteArray, QVariant> data;
1416             const QUrl oldUrl = copyJob->srcUrls().at(0);
1417             data.insert("text", oldUrl.fileName());
1418             m_model->setData(index, data);
1419         }
1420     }
1421 }
1422
1423 void DolphinView::slotDirectoryLoadingStarted()
1424 {
1425     // Disable the writestate temporary until it can be determined in a fast way
1426     // in DolphinView::slotLoadingCompleted()
1427     if (m_isFolderWritable) {
1428         m_isFolderWritable = false;
1429         emit writeStateChanged(m_isFolderWritable);
1430     }
1431
1432     emit directoryLoadingStarted();
1433 }
1434
1435 void DolphinView::slotDirectoryLoadingCompleted()
1436 {
1437     // Update the view-state. This has to be done asynchronously
1438     // because the view might not be in its final state yet.
1439     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1440
1441     emit directoryLoadingCompleted();
1442
1443     updateWritableState();
1444 }
1445
1446 void DolphinView::slotItemsChanged()
1447 {
1448     m_assureVisibleCurrentIndex = false;
1449 }
1450
1451 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1452 {
1453     Q_UNUSED(previous);
1454     Q_ASSERT(m_model->sortOrder() == current);
1455
1456     ViewProperties props(viewPropertiesUrl());
1457     props.setSortOrder(current);
1458
1459     emit sortOrderChanged(current);
1460 }
1461
1462 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1463 {
1464     Q_UNUSED(previous);
1465     Q_ASSERT(m_model->sortRole() == current);
1466
1467     ViewProperties props(viewPropertiesUrl());
1468     props.setSortRole(current);
1469
1470     emit sortRoleChanged(current);
1471 }
1472
1473 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1474                                                   const QList<QByteArray>& previous)
1475 {
1476     Q_UNUSED(previous);
1477     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1478
1479     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1480
1481     m_visibleRoles = current;
1482
1483     ViewProperties props(viewPropertiesUrl());
1484     props.setVisibleRoles(m_visibleRoles);
1485
1486     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1487 }
1488
1489 void DolphinView::slotRoleEditingCanceled()
1490 {
1491     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1492                this, &DolphinView::slotRoleEditingFinished);
1493 }
1494
1495 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1496 {
1497     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1498                this, &DolphinView::slotRoleEditingFinished);
1499
1500     if (index < 0 || index >= m_model->count()) {
1501         return;
1502     }
1503
1504     if (role == "text") {
1505         const KFileItem oldItem = m_model->fileItem(index);
1506         const QString newName = value.toString();
1507         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1508             const QUrl oldUrl = oldItem.url();
1509
1510             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1511             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1512
1513             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1514             if (!newNameExistsAlready) {
1515                 // Only change the data in the model if no item with the new name
1516                 // is in the model yet. If there is an item with the new name
1517                 // already, calling KIO::CopyJob will open a dialog
1518                 // asking for a new name, and KFileItemModel will update the
1519                 // data when the dir lister signals that the file name has changed.
1520                 QHash<QByteArray, QVariant> data;
1521                 data.insert(role, value);
1522                 m_model->setData(index, data);
1523             }
1524
1525             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1526             KJobWidgets::setWindow(job, this);
1527             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1528             job->ui()->setAutoErrorHandlingEnabled(true);
1529
1530             if (!newNameExistsAlready) {
1531                 // Only connect the result signal if there is no item with the new name
1532                 // in the model yet, see bug 328262.
1533                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1534             }
1535         }
1536     }
1537 }
1538
1539 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1540 {
1541     if (!url.isValid()) {
1542         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1543         if (location.isEmpty()) {
1544             emit errorMessage(i18nc("@info:status", "The location is empty."));
1545         } else {
1546             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1547         }
1548         return;
1549     }
1550
1551     if (reload) {
1552         m_model->refreshDirectory(url);
1553     } else {
1554         m_model->loadDirectory(url);
1555     }
1556 }
1557
1558 void DolphinView::applyViewProperties()
1559 {
1560     const ViewProperties props(viewPropertiesUrl());
1561     applyViewProperties(props);
1562 }
1563
1564 void DolphinView::applyViewProperties(const ViewProperties& props)
1565 {
1566     m_view->beginTransaction();
1567
1568     const Mode mode = props.viewMode();
1569     if (m_mode != mode) {
1570         const Mode previousMode = m_mode;
1571         m_mode = mode;
1572
1573         // Changing the mode might result in changing
1574         // the zoom level. Remember the old zoom level so
1575         // that zoomLevelChanged() can get emitted.
1576         const int oldZoomLevel = m_view->zoomLevel();
1577         applyModeToView();
1578
1579         emit modeChanged(m_mode, previousMode);
1580
1581         if (m_view->zoomLevel() != oldZoomLevel) {
1582             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1583         }
1584     }
1585
1586     const bool hiddenFilesShown = props.hiddenFilesShown();
1587     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1588         m_model->setShowHiddenFiles(hiddenFilesShown);
1589         emit hiddenFilesShownChanged(hiddenFilesShown);
1590     }
1591
1592     const bool groupedSorting = props.groupedSorting();
1593     if (groupedSorting != m_model->groupedSorting()) {
1594         m_model->setGroupedSorting(groupedSorting);
1595         emit groupedSortingChanged(groupedSorting);
1596     }
1597
1598     const QByteArray sortRole = props.sortRole();
1599     if (sortRole != m_model->sortRole()) {
1600         m_model->setSortRole(sortRole);
1601         emit sortRoleChanged(sortRole);
1602     }
1603
1604     const Qt::SortOrder sortOrder = props.sortOrder();
1605     if (sortOrder != m_model->sortOrder()) {
1606         m_model->setSortOrder(sortOrder);
1607         emit sortOrderChanged(sortOrder);
1608     }
1609
1610     const bool sortFoldersFirst = props.sortFoldersFirst();
1611     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1612         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1613         emit sortFoldersFirstChanged(sortFoldersFirst);
1614     }
1615
1616     const QList<QByteArray> visibleRoles = props.visibleRoles();
1617     if (visibleRoles != m_visibleRoles) {
1618         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1619         m_visibleRoles = visibleRoles;
1620         m_view->setVisibleRoles(visibleRoles);
1621         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1622     }
1623
1624     const bool previewsShown = props.previewsShown();
1625     if (previewsShown != m_view->previewsShown()) {
1626         const int oldZoomLevel = zoomLevel();
1627
1628         m_view->setPreviewsShown(previewsShown);
1629         emit previewsShownChanged(previewsShown);
1630
1631         // Changing the preview-state might result in a changed zoom-level
1632         if (oldZoomLevel != zoomLevel()) {
1633             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1634         }
1635     }
1636
1637     KItemListView* itemListView = m_container->controller()->view();
1638     if (itemListView->isHeaderVisible()) {
1639         KItemListHeader* header = itemListView->header();
1640         const QList<int> headerColumnWidths = props.headerColumnWidths();
1641         const int rolesCount = m_visibleRoles.count();
1642         if (headerColumnWidths.count() == rolesCount) {
1643             header->setAutomaticColumnResizing(false);
1644
1645             QHash<QByteArray, qreal> columnWidths;
1646             for (int i = 0; i < rolesCount; ++i) {
1647                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1648             }
1649             header->setColumnWidths(columnWidths);
1650         } else {
1651             header->setAutomaticColumnResizing(true);
1652         }
1653     }
1654
1655     m_view->endTransaction();
1656 }
1657
1658 void DolphinView::applyModeToView()
1659 {
1660     switch (m_mode) {
1661     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1662     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1663     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1664     default: Q_ASSERT(false); break;
1665     }
1666 }
1667
1668 void DolphinView::pasteToUrl(const QUrl& url)
1669 {
1670     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1671     KJobWidgets::setWindow(job, this);
1672     m_clearSelectionBeforeSelectingNewItems = true;
1673     m_markFirstNewlySelectedItemAsCurrent = true;
1674     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1675     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1676 }
1677
1678 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1679 {
1680     QList<QUrl> urls;
1681
1682     const KFileItemList items = selectedItems();
1683     urls.reserve(items.count());
1684     foreach (const KFileItem& item, items) {
1685         urls.append(item.url());
1686     }
1687
1688     if (itemsExpandable()) {
1689         // TODO: Check if we still need KDirModel for this in KDE 5.0
1690         urls = KDirModel::simplifiedUrlList(urls);
1691     }
1692
1693     return urls;
1694 }
1695
1696 QMimeData* DolphinView::selectionMimeData() const
1697 {
1698     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1699     const KItemSet selectedIndexes = selectionManager->selectedItems();
1700
1701     return m_model->createMimeData(selectedIndexes);
1702 }
1703
1704 void DolphinView::updateWritableState()
1705 {
1706     const bool wasFolderWritable = m_isFolderWritable;
1707     m_isFolderWritable = false;
1708
1709     KFileItem item = m_model->rootItem();
1710     if (item.isNull()) {
1711         // Try to find out if the URL is writable even if the "root item" is
1712         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1713         item = KFileItem(url());
1714         item.setDelayedMimeTypes(true);
1715     }
1716
1717     KFileItemListProperties capabilities(KFileItemList() << item);
1718     m_isFolderWritable = capabilities.supportsWriting();
1719
1720     if (m_isFolderWritable != wasFolderWritable) {
1721         emit writeStateChanged(m_isFolderWritable);
1722     }
1723 }
1724
1725 QUrl DolphinView::viewPropertiesUrl() const
1726 {
1727     if (m_viewPropertiesContext.isEmpty()) {
1728         return m_url;
1729     }
1730
1731     QUrl url;
1732     url.setScheme(m_url.scheme());
1733     url.setPath(m_viewPropertiesContext);
1734     return url;
1735 }