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