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 <QBoxLayout>
  28 #include <QClipboard>
  29 #include <QDropEvent>
  30 #include <QGraphicsSceneDragDropEvent>
  31 #include <QKeyEvent>
  32 #include <QItemSelection>
  33 #include <QTimer>
  34 #include <QScrollBar>
  35 #include <QPointer>
  36 #include <QMenu>
  37
  38 #include <KDesktopFile>
  39 #include <KProtocolManager>
  40 #include <KActionCollection>
  41 #include <KColorScheme>
  42 #include <KDirModel>
  43 #include <KIconEffect>
  44 #include <KFileItem>
  45 #include <KFileItemListProperties>
  46 #include <KLocale>
  47 #include <kitemviews/kfileitemmodel.h>
  48 #include <kitemviews/kfileitemlistview.h>
  49 #include <kitemviews/kitemlistcontainer.h>
  50 #include <kitemviews/kitemlistheader.h>
  51 #include <kitemviews/kitemlistselectionmanager.h>
  52 #include <kitemviews/kitemlistview.h>
  53 #include <kitemviews/kitemlistcontroller.h>
  54 #include <KIO/DeleteJob>
  55 #include <KIO/JobUiDelegate>
  56 #include <KIO/NetAccess>
  57 #include <KIO/PreviewJob>
  58 #include <KJob>
  59 #include <KMenu>
  60 #include <KGlobal>
  61 #include <KMessageBox>
  62 #include <KJobWidgets>
  63 #include <konq_operations.h>
  64 #include <konqmimedata.h>
  65 #include <KToggleAction>
  66 #include <KUrl>
  67
  68 #include "dolphinnewfilemenuobserver.h"
  69 #include "dolphin_detailsmodesettings.h"
  70 #include "dolphin_generalsettings.h"
  71 #include "dolphinitemlistview.h"
  72 #include "draganddrophelper.h"
  73 #include "renamedialog.h"
  74 #include "versioncontrol/versioncontrolobserver.h"
  75 #include "viewmodecontroller.h"
  76 #include "viewproperties.h"
  77 #include "views/tooltips/tooltipmanager.h"
  78 #include "zoomlevelinfo.h"
  79
  80 #ifdef HAVE_BALOO
  81     #include <Baloo/IndexerConfig>
  82 #endif
  83
  84 namespace {
  85     const int MaxModeEnum = DolphinView::CompactView;
  86 };
  87
  88 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  89     QWidget(parent),
  90     m_active(true),
  91     m_tabsForFiles(false),
  92     m_assureVisibleCurrentIndex(false),
  93     m_isFolderWritable(true),
  94     m_dragging(false),
  95     m_url(url),
  96     m_viewPropertiesContext(),
  97     m_mode(DolphinView::IconsView),
  98     m_visibleRoles(),
  99     m_topLayout(0),
 100     m_model(0),
 101     m_view(0),
 102     m_container(0),
 103     m_toolTipManager(0),
 104     m_selectionChangedTimer(0),
 105     m_currentItemUrl(),
 106     m_scrollToCurrentItem(false),
 107     m_restoredContentsPosition(),
 108     m_selectedUrls(),
 109     m_clearSelectionBeforeSelectingNewItems(false),
 110     m_markFirstNewlySelectedItemAsCurrent(false),
 111     m_versionControlObserver(0)
 112 {
 113     m_topLayout = new QVBoxLayout(this);
 114     m_topLayout->setSpacing(0);
 115     m_topLayout->setMargin(0);
 116
 117     // When a new item has been created by the "Create New..." menu, the item should
 118     // get selected and it must be assured that the item will get visible. As the
 119     // creation is done asynchronously, several signals must be checked:
 120     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 121             this, &DolphinView::observeCreatedItem);
 122
 123     m_selectionChangedTimer = new QTimer(this);
 124     m_selectionChangedTimer->setSingleShot(true);
 125     m_selectionChangedTimer->setInterval(300);
 126     connect(m_selectionChangedTimer, &QTimer::timeout,
 127             this, &DolphinView::emitSelectionChangedSignal);
 128
 129     m_model = new KFileItemModel(this);
 130     m_view = new DolphinItemListView();
 131     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 132     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 133     applyModeToView();
 134
 135     KItemListController* controller = new KItemListController(m_model, m_view, this);
 136     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 137     controller->setAutoActivationDelay(delay);
 138
 139     // The EnlargeSmallPreviews setting can only be changed after the model
 140     // has been set in the view by KItemListController.
 141     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 142
 143     m_container = new KItemListContainer(controller, this);
 144     m_container->installEventFilter(this);
 145     setFocusProxy(m_container);
 146     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 147     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 148
 149     controller->setSelectionBehavior(KItemListController::MultiSelection);
 150     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 151     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 152     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 153     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 154     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 155     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 156     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 157     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 158     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 159     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 160     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 161     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 162
 163     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 164     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 165     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 166     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 167     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 168     connect(m_model, &KFileItemModel::itemsChanged,
 169             this, &DolphinView::slotItemsChanged);
 170     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 171     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 172     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 173     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 174     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 175     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 176
 177     m_view->installEventFilter(this);
 178     connect(m_view, &DolphinItemListView::sortOrderChanged,
 179             this, &DolphinView::slotSortOrderChangedByHeader);
 180     connect(m_view, &DolphinItemListView::sortRoleChanged,
 181             this, &DolphinView::slotSortRoleChangedByHeader);
 182     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 183             this, &DolphinView::slotVisibleRolesChangedByHeader);
 184     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 185             this, &DolphinView::slotRoleEditingCanceled);
 186     connect(m_view->header(), &KItemListHeader::columnWidthChanged,
 187             this, &DolphinView::slotHeaderColumnWidthChanged);
 188
 189     KItemListSelectionManager* selectionManager = controller->selectionManager();
 190     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 191             this, &DolphinView::slotSelectionChanged);
 192
 193     m_toolTipManager = new ToolTipManager(this);
 194
 195     m_versionControlObserver = new VersionControlObserver(this);
 196     m_versionControlObserver->setModel(m_model);
 197     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 198     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 199     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 200
 201     applyViewProperties();
 202     m_topLayout->addWidget(m_container);
 203
 204     loadDirectory(url);
 205 }
 206
 207 DolphinView::~DolphinView()
 208 {
 209 }
 210
 211 KUrl DolphinView::url() const
 212 {
 213     return m_url;
 214 }
 215
 216 void DolphinView::setActive(bool active)
 217 {
 218     if (active == m_active) {
 219         return;
 220     }
 221
 222     m_active = active;
 223
 224     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 225     if (!active) {
 226         color.setAlpha(150);
 227     }
 228
 229     QWidget* viewport = m_container->viewport();
 230     if (viewport) {
 231         QPalette palette;
 232         palette.setColor(viewport->backgroundRole(), color);
 233         viewport->setPalette(palette);
 234     }
 235
 236     update();
 237
 238     if (active) {
 239         m_container->setFocus();
 240         emit activated();
 241         emit writeStateChanged(m_isFolderWritable);
 242     }
 243 }
 244
 245 bool DolphinView::isActive() const
 246 {
 247     return m_active;
 248 }
 249
 250 void DolphinView::setMode(Mode mode)
 251 {
 252     if (mode != m_mode) {
 253         ViewProperties props(viewPropertiesUrl());
 254         props.setViewMode(mode);
 255
 256         // We pass the new ViewProperties to applyViewProperties, rather than
 257         // storing them on disk and letting applyViewProperties() read them
 258         // from there, to prevent that changing the view mode fails if the
 259         // .directory file is not writable (see bug 318534).
 260         applyViewProperties(props);
 261     }
 262 }
 263
 264 DolphinView::Mode DolphinView::mode() const
 265 {
 266     return m_mode;
 267 }
 268
 269 void DolphinView::setPreviewsShown(bool show)
 270 {
 271     if (previewsShown() == show) {
 272         return;
 273     }
 274
 275     ViewProperties props(viewPropertiesUrl());
 276     props.setPreviewsShown(show);
 277
 278     const int oldZoomLevel = m_view->zoomLevel();
 279     m_view->setPreviewsShown(show);
 280     emit previewsShownChanged(show);
 281
 282     const int newZoomLevel = m_view->zoomLevel();
 283     if (newZoomLevel != oldZoomLevel) {
 284         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 285     }
 286 }
 287
 288 bool DolphinView::previewsShown() const
 289 {
 290     return m_view->previewsShown();
 291 }
 292
 293 void DolphinView::setHiddenFilesShown(bool show)
 294 {
 295     if (m_model->showHiddenFiles() == show) {
 296         return;
 297     }
 298
 299     const KFileItemList itemList = selectedItems();
 300     m_selectedUrls.clear();
 301     m_selectedUrls = KUrl::List(itemList.urlList());
 302
 303     ViewProperties props(viewPropertiesUrl());
 304     props.setHiddenFilesShown(show);
 305
 306     m_model->setShowHiddenFiles(show);
 307     emit hiddenFilesShownChanged(show);
 308 }
 309
 310 bool DolphinView::hiddenFilesShown() const
 311 {
 312     return m_model->showHiddenFiles();
 313 }
 314
 315 void DolphinView::setGroupedSorting(bool grouped)
 316 {
 317     if (grouped == groupedSorting()) {
 318         return;
 319     }
 320
 321     ViewProperties props(viewPropertiesUrl());
 322     props.setGroupedSorting(grouped);
 323     props.save();
 324
 325     m_container->controller()->model()->setGroupedSorting(grouped);
 326
 327     emit groupedSortingChanged(grouped);
 328 }
 329
 330 bool DolphinView::groupedSorting() const
 331 {
 332     return m_model->groupedSorting();
 333 }
 334
 335 KFileItemList DolphinView::items() const
 336 {
 337     KFileItemList list;
 338     const int itemCount = m_model->count();
 339     list.reserve(itemCount);
 340
 341     for (int i = 0; i < itemCount; ++i) {
 342         list.append(m_model->fileItem(i));
 343     }
 344
 345     return list;
 346 }
 347
 348 int DolphinView::itemsCount() const
 349 {
 350     return m_model->count();
 351 }
 352
 353 KFileItemList DolphinView::selectedItems() const
 354 {
 355     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 356
 357     KFileItemList selectedItems;
 358     foreach (int index, selectionManager->selectedItems()) {
 359         selectedItems.append(m_model->fileItem(index));
 360     }
 361     return selectedItems;
 362 }
 363
 364 int DolphinView::selectedItemsCount() const
 365 {
 366     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 367     return selectionManager->selectedItems().count();
 368 }
 369
 370 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 371 {
 372     m_selectedUrls = urls;
 373 }
 374
 375 void DolphinView::markUrlAsCurrent(const KUrl& url)
 376 {
 377     m_currentItemUrl = url;
 378     m_scrollToCurrentItem = true;
 379 }
 380
 381 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 382 {
 383     const KItemListSelectionManager::SelectionMode mode = enabled
 384                                                         ? KItemListSelectionManager::Select
 385                                                         : KItemListSelectionManager::Deselect;
 386     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 387
 388     for (int index = 0; index < m_model->count(); index++) {
 389         const KFileItem item = m_model->fileItem(index);
 390         if (pattern.exactMatch(item.text())) {
 391             // An alternative approach would be to store the matching items in a KItemSet and
 392             // select them in one go after the loop, but we'd need a new function
 393             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 394             // for that.
 395             selectionManager->setSelected(index, 1, mode);
 396         }
 397     }
 398 }
 399
 400 void DolphinView::setZoomLevel(int level)
 401 {
 402     const int oldZoomLevel = zoomLevel();
 403     m_view->setZoomLevel(level);
 404     if (zoomLevel() != oldZoomLevel) {
 405         hideToolTip();
 406         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 407     }
 408 }
 409
 410 int DolphinView::zoomLevel() const
 411 {
 412     return m_view->zoomLevel();
 413 }
 414
 415 void DolphinView::setSortRole(const QByteArray& role)
 416 {
 417     if (role != sortRole()) {
 418         updateSortRole(role);
 419     }
 420 }
 421
 422 QByteArray DolphinView::sortRole() const
 423 {
 424     const KItemModelBase* model = m_container->controller()->model();
 425     return model->sortRole();
 426 }
 427
 428 void DolphinView::setSortOrder(Qt::SortOrder order)
 429 {
 430     if (sortOrder() != order) {
 431         updateSortOrder(order);
 432     }
 433 }
 434
 435 Qt::SortOrder DolphinView::sortOrder() const
 436 {
 437     return m_model->sortOrder();
 438 }
 439
 440 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 441 {
 442     if (sortFoldersFirst() != foldersFirst) {
 443         updateSortFoldersFirst(foldersFirst);
 444     }
 445 }
 446
 447 bool DolphinView::sortFoldersFirst() const
 448 {
 449     return m_model->sortDirectoriesFirst();
 450 }
 451
 452 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 453 {
 454     const QList<QByteArray> previousRoles = roles;
 455
 456     ViewProperties props(viewPropertiesUrl());
 457     props.setVisibleRoles(roles);
 458
 459     m_visibleRoles = roles;
 460     m_view->setVisibleRoles(roles);
 461
 462     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 463 }
 464
 465 QList<QByteArray> DolphinView::visibleRoles() const
 466 {
 467     return m_visibleRoles;
 468 }
 469
 470 void DolphinView::reload()
 471 {
 472     QByteArray viewState;
 473     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 474     saveState(saveStream);
 475
 476     const KFileItemList itemList = selectedItems();
 477     m_selectedUrls.clear();
 478     m_selectedUrls = KUrl::List(itemList.urlList());
 479
 480     setUrl(url());
 481     loadDirectory(url(), true);
 482
 483     QDataStream restoreStream(viewState);
 484     restoreState(restoreStream);
 485 }
 486
 487 void DolphinView::readSettings()
 488 {
 489     const int oldZoomLevel = m_view->zoomLevel();
 490
 491     GeneralSettings::self()->readConfig();
 492     m_view->readSettings();
 493     applyViewProperties();
 494
 495     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 496     m_container->controller()->setAutoActivationDelay(delay);
 497
 498     const int newZoomLevel = m_view->zoomLevel();
 499     if (newZoomLevel != oldZoomLevel) {
 500         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 501     }
 502 }
 503
 504 void DolphinView::writeSettings()
 505 {
 506     GeneralSettings::self()->writeConfig();
 507     m_view->writeSettings();
 508 }
 509
 510 void DolphinView::setNameFilter(const QString& nameFilter)
 511 {
 512     m_model->setNameFilter(nameFilter);
 513 }
 514
 515 QString DolphinView::nameFilter() const
 516 {
 517     return m_model->nameFilter();
 518 }
 519
 520 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 521 {
 522     return m_model->setMimeTypeFilters(filters);
 523 }
 524
 525 QStringList DolphinView::mimeTypeFilters() const
 526 {
 527     return m_model->mimeTypeFilters();
 528 }
 529
 530 QString DolphinView::statusBarText() const
 531 {
 532     QString summary;
 533     QString foldersText;
 534     QString filesText;
 535
 536     int folderCount = 0;
 537     int fileCount = 0;
 538     KIO::filesize_t totalFileSize = 0;
 539
 540     if (m_container->controller()->selectionManager()->hasSelection()) {
 541         // Give a summary of the status of the selected files
 542         const KFileItemList list = selectedItems();
 543         foreach (const KFileItem& item, list) {
 544             if (item.isDir()) {
 545                 ++folderCount;
 546             } else {
 547                 ++fileCount;
 548                 totalFileSize += item.size();
 549             }
 550         }
 551
 552         if (folderCount + fileCount == 1) {
 553             // If only one item is selected, show info about it
 554             return list.first().getStatusBarInfo();
 555         } else {
 556             // At least 2 items are selected
 557             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 558             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 559         }
 560     } else {
 561         calculateItemCount(fileCount, folderCount, totalFileSize);
 562         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 563         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 564     }
 565
 566     if (fileCount > 0 && folderCount > 0) {
 567         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 568                         foldersText, filesText,
 569                         KGlobal::locale()->formatByteSize(totalFileSize));
 570     } else if (fileCount > 0) {
 571         summary = i18nc("@info:status files (size)", "%1 (%2)",
 572                         filesText,
 573                         KGlobal::locale()->formatByteSize(totalFileSize));
 574     } else if (folderCount > 0) {
 575         summary = foldersText;
 576     } else {
 577         summary = i18nc("@info:status", "0 Folders, 0 Files");
 578     }
 579
 580     return summary;
 581 }
 582
 583 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 584 {
 585     QList<QAction*> actions;
 586
 587     if (items.isEmpty()) {
 588         const KFileItem item = m_model->rootItem();
 589         if (!item.isNull()) {
 590             actions = m_versionControlObserver->actions(KFileItemList() << item);
 591         }
 592     } else {
 593         actions = m_versionControlObserver->actions(items);
 594     }
 595
 596     return actions;
 597 }
 598
 599 void DolphinView::setUrl(const KUrl& url)
 600 {
 601     if (url == m_url) {
 602         return;
 603     }
 604
 605     clearSelection();
 606
 607     emit urlAboutToBeChanged(url);
 608     m_url = url;
 609
 610     hideToolTip();
 611
 612     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 613                this, &DolphinView::slotRoleEditingFinished);
 614
 615     // It is important to clear the items from the model before
 616     // applying the view properties, otherwise expensive operations
 617     // might be done on the existing items although they get cleared
 618     // anyhow afterwards by loadDirectory().
 619     m_model->clear();
 620     applyViewProperties();
 621     loadDirectory(url);
 622
 623     emit urlChanged(url);
 624 }
 625
 626 void DolphinView::selectAll()
 627 {
 628     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 629     selectionManager->setSelected(0, m_model->count());
 630 }
 631
 632 void DolphinView::invertSelection()
 633 {
 634     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 635     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 636 }
 637
 638 void DolphinView::clearSelection()
 639 {
 640     m_selectedUrls.clear();
 641     m_container->controller()->selectionManager()->clearSelection();
 642 }
 643
 644 void DolphinView::renameSelectedItems()
 645 {
 646     const KFileItemList items = selectedItems();
 647     if (items.isEmpty()) {
 648         return;
 649     }
 650
 651     if (items.count() == 1 && GeneralSettings::renameInline()) {
 652         const int index = m_model->index(items.first());
 653         m_view->editRole(index, "text");
 654
 655         hideToolTip();
 656
 657         connect(m_view, &DolphinItemListView::roleEditingFinished,
 658                 this, &DolphinView::slotRoleEditingFinished);
 659     } else {
 660         RenameDialog* dialog = new RenameDialog(this, items);
 661         dialog->setAttribute(Qt::WA_DeleteOnClose);
 662         dialog->show();
 663         dialog->raise();
 664         dialog->activateWindow();
 665     }
 666
 667     // Assure that the current index remains visible when KFileItemModel
 668     // will notify the view about changed items (which might result in
 669     // a changed sorting).
 670     m_assureVisibleCurrentIndex = true;
 671 }
 672
 673 void DolphinView::trashSelectedItems()
 674 {
 675     const KUrl::List list = simplifiedSelectedUrls();
 676     KonqOperations::del(this, KonqOperations::TRASH, list);
 677 }
 678
 679 void DolphinView::deleteSelectedItems()
 680 {
 681     const KUrl::List list = simplifiedSelectedUrls();
 682     const bool del = KonqOperations::askDeleteConfirmation(list,
 683                      KonqOperations::DEL,
 684                      KonqOperations::DEFAULT_CONFIRMATION,
 685                      this);
 686
 687     if (del) {
 688         KIO::Job* job = KIO::del(list);
 689         if (job->ui()) {
 690             KJobWidgets::setWindow(job, this);
 691         }
 692         connect(job, &KIO::Job::result,
 693                 this, &DolphinView::slotDeleteFileFinished);
 694     }
 695 }
 696
 697 void DolphinView::cutSelectedItems()
 698 {
 699     QMimeData* mimeData = selectionMimeData();
 700     KonqMimeData::addIsCutSelection(mimeData, true);
 701     QApplication::clipboard()->setMimeData(mimeData);
 702 }
 703
 704 void DolphinView::copySelectedItems()
 705 {
 706     QMimeData* mimeData = selectionMimeData();
 707     QApplication::clipboard()->setMimeData(mimeData);
 708 }
 709
 710 void DolphinView::paste()
 711 {
 712     pasteToUrl(url());
 713 }
 714
 715 void DolphinView::pasteIntoFolder()
 716 {
 717     const KFileItemList items = selectedItems();
 718     if ((items.count() == 1) && items.first().isDir()) {
 719         pasteToUrl(items.first().url());
 720     }
 721 }
 722
 723 void DolphinView::stopLoading()
 724 {
 725     m_model->cancelDirectoryLoading();
 726 }
 727
 728 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 729 {
 730     switch (event->type()) {
 731     case QEvent::FocusIn:
 732         if (watched == m_container) {
 733             setActive(true);
 734         }
 735         break;
 736
 737     case QEvent::GraphicsSceneDragEnter:
 738         if (watched == m_view) {
 739             m_dragging = true;
 740         }
 741         break;
 742
 743     case QEvent::GraphicsSceneDragLeave:
 744         if (watched == m_view) {
 745             m_dragging = false;
 746         }
 747         break;
 748
 749     case QEvent::GraphicsSceneDrop:
 750         if (watched == m_view) {
 751             m_dragging = false;
 752         }
 753     default:
 754         break;
 755     }
 756
 757     return QWidget::eventFilter(watched, event);
 758 }
 759
 760 void DolphinView::wheelEvent(QWheelEvent* event)
 761 {
 762     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 763         const int numDegrees = event->delta() / 8;
 764         const int numSteps = numDegrees / 15;
 765
 766         setZoomLevel(zoomLevel() + numSteps);
 767         event->accept();
 768     } else {
 769         event->ignore();
 770     }
 771 }
 772
 773 void DolphinView::hideEvent(QHideEvent* event)
 774 {
 775     hideToolTip();
 776     QWidget::hideEvent(event);
 777 }
 778
 779 bool DolphinView::event(QEvent* event)
 780 {
 781     /* See Bug 297355
 782      * Dolphin leaves file preview tooltips open even when is not visible.
 783      *
 784      * Hide tool-tip when Dolphin loses focus.
 785      */
 786     if (event->type() == QEvent::WindowDeactivate) {
 787         hideToolTip();
 788     }
 789
 790     return QWidget::event(event);
 791 }
 792
 793 void DolphinView::activate()
 794 {
 795     setActive(true);
 796 }
 797
 798 void DolphinView::slotItemActivated(int index)
 799 {
 800     const KFileItem item = m_model->fileItem(index);
 801     if (!item.isNull()) {
 802         emit itemActivated(item);
 803     }
 804 }
 805
 806 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 807 {
 808     Q_ASSERT(indexes.count() >= 2);
 809
 810     if (indexes.count() > 5) {
 811         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 812         const int answer = KMessageBox::warningYesNo(this, question);
 813         if (answer != KMessageBox::Yes) {
 814             return;
 815         }
 816     }
 817
 818     KFileItemList items;
 819     items.reserve(indexes.count());
 820
 821     foreach (int index, indexes) {
 822         KFileItem item = m_model->fileItem(index);
 823         const KUrl& url = openItemAsFolderUrl(item);
 824
 825         if (!url.isEmpty()) { // Open folders in new tabs
 826             emit tabRequested(url);
 827         } else {
 828             items.append(item);
 829         }
 830     }
 831
 832     if (items.count() == 1) {
 833         emit itemActivated(items.first());
 834     } else if (items.count() > 1) {
 835         emit itemsActivated(items);
 836     }
 837 }
 838
 839 void DolphinView::slotItemMiddleClicked(int index)
 840 {
 841     const KFileItem& item = m_model->fileItem(index);
 842     const KUrl& url = openItemAsFolderUrl(item);
 843     if (!url.isEmpty()) {
 844         emit tabRequested(url);
 845     } else if (isTabsForFilesEnabled()) {
 846         emit tabRequested(item.url());
 847     }
 848 }
 849
 850 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 851 {
 852     // Force emit of a selection changed signal before we request the
 853     // context menu, to update the edit-actions first. (See Bug 294013)
 854     if (m_selectionChangedTimer->isActive()) {
 855         emitSelectionChangedSignal();
 856     }
 857
 858     const KFileItem item = m_model->fileItem(index);
 859     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 860 }
 861
 862 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 863 {
 864     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 865 }
 866
 867 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 868 {
 869     ViewProperties props(viewPropertiesUrl());
 870
 871     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 872
 873     KItemListView* view = m_container->controller()->view();
 874     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 875
 876     bool indexingEnabled = false;
 877 #ifdef HAVE_BALOO
 878     Baloo::IndexerConfig config;
 879     indexingEnabled = config.fileIndexingEnabled();
 880 #endif
 881
 882     QString groupName;
 883     QMenu* groupMenu = 0;
 884
 885     // Add all roles to the menu that can be shown or hidden by the user
 886     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 887     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 888         if (info.role == "text") {
 889             // It should not be possible to hide the "text" role
 890             continue;
 891         }
 892
 893         const QString text = m_model->roleDescription(info.role);
 894         QAction* action = 0;
 895         if (info.group.isEmpty()) {
 896             action = menu->addAction(text);
 897         } else {
 898             if (!groupMenu || info.group != groupName) {
 899                 groupName = info.group;
 900                 groupMenu = menu->addMenu(groupName);
 901             }
 902
 903             action = groupMenu->addAction(text);
 904         }
 905
 906         action->setCheckable(true);
 907         action->setChecked(visibleRolesSet.contains(info.role));
 908         action->setData(info.role);
 909
 910         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 911                             (info.requiresBaloo) ||
 912                             (info.requiresIndexer && indexingEnabled);
 913         action->setEnabled(enable);
 914     }
 915
 916     menu->addSeparator();
 917
 918     QActionGroup* widthsGroup = new QActionGroup(menu);
 919     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 920
 921     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 922     autoAdjustWidthsAction->setCheckable(true);
 923     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 924     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 925
 926     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 927     customWidthsAction->setCheckable(true);
 928     customWidthsAction->setChecked(!autoColumnWidths);
 929     customWidthsAction->setActionGroup(widthsGroup);
 930
 931     QAction* action = menu->exec(pos.toPoint());
 932     if (menu && action) {
 933         KItemListHeader* header = view->header();
 934
 935         if (action == autoAdjustWidthsAction) {
 936             // Clear the column-widths from the viewproperties and turn on
 937             // the automatic resizing of the columns
 938             props.setHeaderColumnWidths(QList<int>());
 939             header->setAutomaticColumnResizing(true);
 940         } else if (action == customWidthsAction) {
 941             // Apply the current column-widths as custom column-widths and turn
 942             // off the automatic resizing of the columns
 943             QList<int> columnWidths;
 944             foreach (const QByteArray& role, view->visibleRoles()) {
 945                 columnWidths.append(header->columnWidth(role));
 946             }
 947             props.setHeaderColumnWidths(columnWidths);
 948             header->setAutomaticColumnResizing(false);
 949         } else {
 950             // Show or hide the selected role
 951             const QByteArray selectedRole = action->data().toByteArray();
 952
 953             QList<QByteArray> visibleRoles = view->visibleRoles();
 954             if (action->isChecked()) {
 955                 visibleRoles.append(selectedRole);
 956             } else {
 957                 visibleRoles.removeOne(selectedRole);
 958             }
 959
 960             view->setVisibleRoles(visibleRoles);
 961             props.setVisibleRoles(visibleRoles);
 962
 963             QList<int> columnWidths;
 964             if (!header->automaticColumnResizing()) {
 965                 foreach (const QByteArray& role, view->visibleRoles()) {
 966                     columnWidths.append(header->columnWidth(role));
 967                 }
 968             }
 969             props.setHeaderColumnWidths(columnWidths);
 970         }
 971     }
 972
 973     delete menu;
 974 }
 975
 976 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 977 {
 978     Q_UNUSED(previous);
 979
 980     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 981
 982     ViewProperties props(viewPropertiesUrl());
 983     QList<int> columnWidths = props.headerColumnWidths();
 984     if (columnWidths.count() != visibleRoles.count()) {
 985         columnWidths.clear();
 986         columnWidths.reserve(visibleRoles.count());
 987         const KItemListHeader* header = m_view->header();
 988         foreach (const QByteArray& role, visibleRoles) {
 989             const int width = header->columnWidth(role);
 990             columnWidths.append(width);
 991         }
 992     }
 993
 994     const int roleIndex = visibleRoles.indexOf(role);
 995     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 996     columnWidths[roleIndex] = current;
 997
 998     props.setHeaderColumnWidths(columnWidths);
 999 }
1000
1001 void DolphinView::slotItemHovered(int index)
1002 {
1003     const KFileItem item = m_model->fileItem(index);
1004
1005     if (GeneralSettings::showToolTips() && !m_dragging) {
1006         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1007         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1008         itemRect.moveTo(pos);
1009
1010         m_toolTipManager->showToolTip(item, itemRect);
1011     }
1012
1013     emit requestItemInfo(item);
1014 }
1015
1016 void DolphinView::slotItemUnhovered(int index)
1017 {
1018     Q_UNUSED(index);
1019     hideToolTip();
1020     emit requestItemInfo(KFileItem());
1021 }
1022
1023 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1024 {
1025     KUrl destUrl;
1026     KFileItem destItem = m_model->fileItem(index);
1027     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1028         // Use the URL of the view as drop target if the item is no directory
1029         // or desktop-file
1030         destItem = m_model->rootItem();
1031         destUrl = url();
1032     } else {
1033         // The item represents a directory or desktop-file
1034         destUrl = destItem.url();
1035     }
1036
1037     QDropEvent dropEvent(event->pos().toPoint(),
1038                          event->possibleActions(),
1039                          event->mimeData(),
1040                          event->buttons(),
1041                          event->modifiers());
1042
1043     QString error;
1044     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1045     if (!error.isEmpty()) {
1046         emit infoMessage(error);
1047     }
1048
1049     if (op && destUrl == url()) {
1050         // Mark the dropped urls as selected.
1051         m_clearSelectionBeforeSelectingNewItems = true;
1052         m_markFirstNewlySelectedItemAsCurrent = true;
1053         connect(op, static_cast<void(KonqOperations::*)(const KUrl::List&)>(&KonqOperations::aboutToCreate), this, &DolphinView::slotAboutToCreate);
1054     }
1055
1056     setActive(true);
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     // TODO: Qt5: Replace Qt::XButton1 by Qt::BackButton and Qt::XButton2 by Qt::ForwardButton
1083     if (buttons & Qt::XButton1) {
1084         emit goBackRequested();
1085     } else if (buttons & Qt::XButton2) {
1086         emit goForwardRequested();
1087     }
1088 }
1089
1090 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1091 {
1092     if (!urls.isEmpty()) {
1093         if (m_markFirstNewlySelectedItemAsCurrent) {
1094             markUrlAsCurrent(urls.first());
1095             m_markFirstNewlySelectedItemAsCurrent = false;
1096         }
1097         m_selectedUrls << KUrl::List(KDirModel::simplifiedUrlList(urls));
1098     }
1099 }
1100
1101 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1102 {
1103     const int currentCount = current.count();
1104     const int previousCount = previous.count();
1105     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1106                                        (currentCount >  0 && previousCount == 0);
1107
1108     // If nothing has been selected before and something got selected (or if something
1109     // was selected before and now nothing is selected) the selectionChangedSignal must
1110     // be emitted asynchronously as fast as possible to update the edit-actions.
1111     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1112     m_selectionChangedTimer->start();
1113 }
1114
1115 void DolphinView::emitSelectionChangedSignal()
1116 {
1117     m_selectionChangedTimer->stop();
1118     emit selectionChanged(selectedItems());
1119 }
1120
1121 void DolphinView::updateSortRole(const QByteArray& role)
1122 {
1123     ViewProperties props(viewPropertiesUrl());
1124     props.setSortRole(role);
1125
1126     KItemModelBase* model = m_container->controller()->model();
1127     model->setSortRole(role);
1128
1129     emit sortRoleChanged(role);
1130 }
1131
1132 void DolphinView::updateSortOrder(Qt::SortOrder order)
1133 {
1134     ViewProperties props(viewPropertiesUrl());
1135     props.setSortOrder(order);
1136
1137     m_model->setSortOrder(order);
1138
1139     emit sortOrderChanged(order);
1140 }
1141
1142 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1143 {
1144     ViewProperties props(viewPropertiesUrl());
1145     props.setSortFoldersFirst(foldersFirst);
1146
1147     m_model->setSortDirectoriesFirst(foldersFirst);
1148
1149     emit sortFoldersFirstChanged(foldersFirst);
1150 }
1151
1152 QPair<bool, QString> DolphinView::pasteInfo() const
1153 {
1154     return KonqOperations::pasteInfo(url());
1155 }
1156
1157 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1158 {
1159     m_tabsForFiles = tabsForFiles;
1160 }
1161
1162 bool DolphinView::isTabsForFilesEnabled() const
1163 {
1164     return m_tabsForFiles;
1165 }
1166
1167 bool DolphinView::itemsExpandable() const
1168 {
1169     return m_mode == DetailsView;
1170 }
1171
1172 void DolphinView::restoreState(QDataStream& stream)
1173 {
1174     // Restore the current item that had the keyboard focus
1175     stream >> m_currentItemUrl;
1176
1177     // Restore the view position
1178     stream >> m_restoredContentsPosition;
1179
1180     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1181     QSet<KUrl> urls;
1182     stream >> urls;
1183     m_model->restoreExpandedDirectories(urls);
1184 }
1185
1186 void DolphinView::saveState(QDataStream& stream)
1187 {
1188     // Save the current item that has the keyboard focus
1189     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1190     if (currentIndex != -1) {
1191         KFileItem item = m_model->fileItem(currentIndex);
1192         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1193         KUrl currentItemUrl = item.url();
1194         stream << currentItemUrl;
1195     } else {
1196         stream << KUrl();
1197     }
1198
1199     // Save view position
1200     const qreal x = m_container->horizontalScrollBar()->value();
1201     const qreal y = m_container->verticalScrollBar()->value();
1202     stream << QPoint(x, y);
1203
1204     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1205     stream << m_model->expandedDirectories();
1206 }
1207
1208 KFileItem DolphinView::rootItem() const
1209 {
1210     return m_model->rootItem();
1211 }
1212
1213 void DolphinView::setViewPropertiesContext(const QString& context)
1214 {
1215     m_viewPropertiesContext = context;
1216 }
1217
1218 QString DolphinView::viewPropertiesContext() const
1219 {
1220     return m_viewPropertiesContext;
1221 }
1222
1223 KUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1224 {
1225     if (item.isNull()) {
1226         return KUrl();
1227     }
1228
1229     KUrl url = item.targetUrl();
1230
1231     if (item.isDir()) {
1232         return url;
1233     }
1234
1235     if (item.isMimeTypeKnown()) {
1236         const QString& mimetype = item.mimetype();
1237
1238         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1239             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1240             // zip:/<path>/ when clicking on a zip file, etc.
1241             // The .protocol file specifies the mimetype that the kioslave handles.
1242             // Note that we don't use mimetype inheritance since we don't want to
1243             // open OpenDocument files as zip folders...
1244             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1245             if (!protocol.isEmpty()) {
1246                 url.setProtocol(protocol);
1247                 return url;
1248             }
1249         }
1250
1251         if (mimetype == QLatin1String("application/x-desktop")) {
1252             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1253             KDesktopFile desktopFile(url.toLocalFile());
1254             if (desktopFile.hasLinkType()) {
1255                 const QString linkUrl = desktopFile.readUrl();
1256                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1257                     return linkUrl;
1258                 }
1259             }
1260         }
1261     }
1262
1263     return KUrl();
1264 }
1265
1266 void DolphinView::observeCreatedItem(const KUrl& url)
1267 {
1268     if (m_active) {
1269         clearSelection();
1270         markUrlAsCurrent(url);
1271         markUrlsAsSelected(QList<KUrl>() << url);
1272     }
1273 }
1274
1275 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1276 {
1277     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1278         emit redirection(oldUrl, newUrl);
1279         m_url = newUrl; // #186947
1280     }
1281 }
1282
1283 void DolphinView::updateViewState()
1284 {
1285     if (m_currentItemUrl != KUrl()) {
1286         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1287         const int currentIndex = m_model->index(m_currentItemUrl);
1288         if (currentIndex != -1) {
1289             selectionManager->setCurrentItem(currentIndex);
1290
1291             // scroll to current item and reset the state
1292             if (m_scrollToCurrentItem) {
1293                 m_view->scrollToItem(currentIndex);
1294                 m_scrollToCurrentItem = false;
1295             }
1296
1297             m_currentItemUrl = KUrl();
1298         } else {
1299             selectionManager->setCurrentItem(0);
1300         }
1301     }
1302
1303     if (!m_restoredContentsPosition.isNull()) {
1304         const int x = m_restoredContentsPosition.x();
1305         const int y = m_restoredContentsPosition.y();
1306         m_restoredContentsPosition = QPoint();
1307
1308         m_container->horizontalScrollBar()->setValue(x);
1309         m_container->verticalScrollBar()->setValue(y);
1310     }
1311
1312     if (!m_selectedUrls.isEmpty()) {
1313         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1314
1315         if (m_clearSelectionBeforeSelectingNewItems) {
1316             selectionManager->clearSelection();
1317             m_clearSelectionBeforeSelectingNewItems = false;
1318         }
1319
1320         KItemSet selectedItems = selectionManager->selectedItems();
1321
1322         QList<KUrl>::iterator it = m_selectedUrls.begin();
1323         while (it != m_selectedUrls.end()) {
1324             const int index = m_model->index(*it);
1325             if (index >= 0) {
1326                 selectedItems.insert(index);
1327                 it = m_selectedUrls.erase(it);
1328             } else {
1329                  ++it;
1330             }
1331         }
1332
1333         selectionManager->setSelectedItems(selectedItems);
1334     }
1335 }
1336
1337 void DolphinView::hideToolTip()
1338 {
1339     if (GeneralSettings::showToolTips()) {
1340         m_toolTipManager->hideToolTip();
1341     }
1342 }
1343
1344 void DolphinView::calculateItemCount(int& fileCount,
1345                                      int& folderCount,
1346                                      KIO::filesize_t& totalFileSize) const
1347 {
1348     const int itemCount = m_model->count();
1349     for (int i = 0; i < itemCount; ++i) {
1350         const KFileItem item = m_model->fileItem(i);
1351         if (item.isDir()) {
1352             ++folderCount;
1353         } else {
1354             ++fileCount;
1355             totalFileSize += item.size();
1356         }
1357     }
1358 }
1359
1360 void DolphinView::slotDeleteFileFinished(KJob* job)
1361 {
1362     if (job->error() == 0) {
1363         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1364     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1365         emit errorMessage(job->errorString());
1366     }
1367 }
1368
1369 void DolphinView::slotRenamingFailed(const KUrl& oldUrl, const KUrl& newUrl)
1370 {
1371     const int index = m_model->index(newUrl);
1372     if (index >= 0) {
1373         QHash<QByteArray, QVariant> data;
1374         data.insert("text", oldUrl.fileName());
1375         m_model->setData(index, data);
1376     }
1377 }
1378
1379 void DolphinView::slotDirectoryLoadingStarted()
1380 {
1381     // Disable the writestate temporary until it can be determined in a fast way
1382     // in DolphinView::slotLoadingCompleted()
1383     if (m_isFolderWritable) {
1384         m_isFolderWritable = false;
1385         emit writeStateChanged(m_isFolderWritable);
1386     }
1387
1388     emit directoryLoadingStarted();
1389 }
1390
1391 void DolphinView::slotDirectoryLoadingCompleted()
1392 {
1393     // Update the view-state. This has to be done asynchronously
1394     // because the view might not be in its final state yet.
1395     QTimer::singleShot(0, this, SLOT(updateViewState()));
1396
1397     emit directoryLoadingCompleted();
1398
1399     updateWritableState();
1400 }
1401
1402 void DolphinView::slotItemsChanged()
1403 {
1404     m_assureVisibleCurrentIndex = false;
1405 }
1406
1407 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1408 {
1409     Q_UNUSED(previous);
1410     Q_ASSERT(m_model->sortOrder() == current);
1411
1412     ViewProperties props(viewPropertiesUrl());
1413     props.setSortOrder(current);
1414
1415     emit sortOrderChanged(current);
1416 }
1417
1418 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1419 {
1420     Q_UNUSED(previous);
1421     Q_ASSERT(m_model->sortRole() == current);
1422
1423     ViewProperties props(viewPropertiesUrl());
1424     props.setSortRole(current);
1425
1426     emit sortRoleChanged(current);
1427 }
1428
1429 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1430                                                   const QList<QByteArray>& previous)
1431 {
1432     Q_UNUSED(previous);
1433     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1434
1435     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1436
1437     m_visibleRoles = current;
1438
1439     ViewProperties props(viewPropertiesUrl());
1440     props.setVisibleRoles(m_visibleRoles);
1441
1442     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1443 }
1444
1445 void DolphinView::slotRoleEditingCanceled()
1446 {
1447     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1448                this, &DolphinView::slotRoleEditingFinished);
1449 }
1450
1451 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1452 {
1453     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1454                this, &DolphinView::slotRoleEditingFinished);
1455
1456     if (index < 0 || index >= m_model->count()) {
1457         return;
1458     }
1459
1460     if (role == "text") {
1461         const KFileItem oldItem = m_model->fileItem(index);
1462         const QString newName = value.toString();
1463         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1464             const KUrl oldUrl = oldItem.url();
1465
1466             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1467             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1468             if (!newNameExistsAlready) {
1469                 // Only change the data in the model if no item with the new name
1470                 // is in the model yet. If there is an item with the new name
1471                 // already, calling KonqOperations::rename() will open a dialog
1472                 // asking for a new name, and KFileItemModel will update the
1473                 // data when the dir lister signals that the file name has changed.
1474                 QHash<QByteArray, QVariant> data;
1475                 data.insert(role, value);
1476                 m_model->setData(index, data);
1477             }
1478
1479             KonqOperations* op = KonqOperations::renameV2(this, oldUrl, newName);
1480             if (op && !newNameExistsAlready) {
1481                 // Only connect the renamingFailed signal if there is no item with the new name
1482                 // in the model yet, see bug 328262.
1483                 connect(op, &KonqOperations::renamingFailed, this, &DolphinView::slotRenamingFailed);
1484             }
1485         }
1486     }
1487 }
1488
1489 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1490 {
1491     if (!url.isValid()) {
1492         const QString location(url.pathOrUrl());
1493         if (location.isEmpty()) {
1494             emit errorMessage(i18nc("@info:status", "The location is empty."));
1495         } else {
1496             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1497         }
1498         return;
1499     }
1500
1501     if (reload) {
1502         m_model->refreshDirectory(url);
1503     } else {
1504         m_model->loadDirectory(url);
1505     }
1506 }
1507
1508 void DolphinView::applyViewProperties()
1509 {
1510     const ViewProperties props(viewPropertiesUrl());
1511     applyViewProperties(props);
1512 }
1513
1514 void DolphinView::applyViewProperties(const ViewProperties& props)
1515 {
1516     m_view->beginTransaction();
1517
1518     const Mode mode = props.viewMode();
1519     if (m_mode != mode) {
1520         const Mode previousMode = m_mode;
1521         m_mode = mode;
1522
1523         // Changing the mode might result in changing
1524         // the zoom level. Remember the old zoom level so
1525         // that zoomLevelChanged() can get emitted.
1526         const int oldZoomLevel = m_view->zoomLevel();
1527         applyModeToView();
1528
1529         emit modeChanged(m_mode, previousMode);
1530
1531         if (m_view->zoomLevel() != oldZoomLevel) {
1532             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1533         }
1534     }
1535
1536     const bool hiddenFilesShown = props.hiddenFilesShown();
1537     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1538         m_model->setShowHiddenFiles(hiddenFilesShown);
1539         emit hiddenFilesShownChanged(hiddenFilesShown);
1540     }
1541
1542     const bool groupedSorting = props.groupedSorting();
1543     if (groupedSorting != m_model->groupedSorting()) {
1544         m_model->setGroupedSorting(groupedSorting);
1545         emit groupedSortingChanged(groupedSorting);
1546     }
1547
1548     const QByteArray sortRole = props.sortRole();
1549     if (sortRole != m_model->sortRole()) {
1550         m_model->setSortRole(sortRole);
1551         emit sortRoleChanged(sortRole);
1552     }
1553
1554     const Qt::SortOrder sortOrder = props.sortOrder();
1555     if (sortOrder != m_model->sortOrder()) {
1556         m_model->setSortOrder(sortOrder);
1557         emit sortOrderChanged(sortOrder);
1558     }
1559
1560     const bool sortFoldersFirst = props.sortFoldersFirst();
1561     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1562         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1563         emit sortFoldersFirstChanged(sortFoldersFirst);
1564     }
1565
1566     const QList<QByteArray> visibleRoles = props.visibleRoles();
1567     if (visibleRoles != m_visibleRoles) {
1568         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1569         m_visibleRoles = visibleRoles;
1570         m_view->setVisibleRoles(visibleRoles);
1571         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1572     }
1573
1574     const bool previewsShown = props.previewsShown();
1575     if (previewsShown != m_view->previewsShown()) {
1576         const int oldZoomLevel = zoomLevel();
1577
1578         m_view->setPreviewsShown(previewsShown);
1579         emit previewsShownChanged(previewsShown);
1580
1581         // Changing the preview-state might result in a changed zoom-level
1582         if (oldZoomLevel != zoomLevel()) {
1583             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1584         }
1585     }
1586
1587     KItemListView* itemListView = m_container->controller()->view();
1588     if (itemListView->isHeaderVisible()) {
1589         KItemListHeader* header = itemListView->header();
1590         const QList<int> headerColumnWidths = props.headerColumnWidths();
1591         const int rolesCount = m_visibleRoles.count();
1592         if (headerColumnWidths.count() == rolesCount) {
1593             header->setAutomaticColumnResizing(false);
1594
1595             QHash<QByteArray, qreal> columnWidths;
1596             for (int i = 0; i < rolesCount; ++i) {
1597                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1598             }
1599             header->setColumnWidths(columnWidths);
1600         } else {
1601             header->setAutomaticColumnResizing(true);
1602         }
1603     }
1604
1605     m_view->endTransaction();
1606 }
1607
1608 void DolphinView::applyModeToView()
1609 {
1610     switch (m_mode) {
1611     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1612     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1613     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1614     default: Q_ASSERT(false); break;
1615     }
1616 }
1617
1618 void DolphinView::pasteToUrl(const KUrl& url)
1619 {
1620     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1621     if (op) {
1622         m_clearSelectionBeforeSelectingNewItems = true;
1623         m_markFirstNewlySelectedItemAsCurrent = true;
1624         connect(op, static_cast<void(KonqOperations::*)(const KUrl::List&)>(&KonqOperations::aboutToCreate), this, &DolphinView::slotAboutToCreate);
1625     }
1626 }
1627
1628 KUrl::List DolphinView::simplifiedSelectedUrls() const
1629 {
1630     KUrl::List urls;
1631
1632     const KFileItemList items = selectedItems();
1633     foreach (const KFileItem& item, items) {
1634         urls.append(item.url());
1635     }
1636
1637     if (itemsExpandable()) {
1638         // TODO: Check if we still need KDirModel for this in KDE 5.0
1639         urls = KDirModel::simplifiedUrlList(urls);
1640     }
1641
1642     return urls;
1643 }
1644
1645 QMimeData* DolphinView::selectionMimeData() const
1646 {
1647     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1648     const KItemSet selectedIndexes = selectionManager->selectedItems();
1649
1650     return m_model->createMimeData(selectedIndexes);
1651 }
1652
1653 void DolphinView::updateWritableState()
1654 {
1655     const bool wasFolderWritable = m_isFolderWritable;
1656     m_isFolderWritable = false;
1657
1658     KFileItem item = m_model->rootItem();
1659     if (item.isNull()) {
1660         // Try to find out if the URL is writable even if the "root item" is
1661         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1662         item = KFileItem(KFileItem::Unknown, KFileItem::Unknown, url(), true);
1663     }
1664
1665     KFileItemListProperties capabilities(KFileItemList() << item);
1666     m_isFolderWritable = capabilities.supportsWriting();
1667
1668     if (m_isFolderWritable != wasFolderWritable) {
1669         emit writeStateChanged(m_isFolderWritable);
1670     }
1671 }
1672
1673 KUrl DolphinView::viewPropertiesUrl() const
1674 {
1675     if (m_viewPropertiesContext.isEmpty()) {
1676         return m_url;
1677     }
1678
1679     KUrl url;
1680     url.setProtocol(m_url.protocol());
1681     url.setPath(m_viewPropertiesContext);
1682     return url;
1683 }
1684