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/CopyJob>
  55 #include <KIO/DeleteJob>
  56 #include <KIO/JobUiDelegate>
  57 #include <KIO/NetAccess>
  58 #include <KIO/PreviewJob>
  59 #include <KIO/Paste>
  60 #include <KJob>
  61 #include <QMenu>
  62 #include <KGlobal>
  63 #include <KMessageBox>
  64 #include <KJobWidgets>
  65 #include <konq_operations.h>
  66 #include <KToggleAction>
  67 #include <KUrl>
  68
  69 #include "dolphinnewfilemenuobserver.h"
  70 #include "dolphin_detailsmodesettings.h"
  71 #include "dolphin_generalsettings.h"
  72 #include "dolphinitemlistview.h"
  73 #include "draganddrophelper.h"
  74 #include "renamedialog.h"
  75 #include "versioncontrol/versioncontrolobserver.h"
  76 #include "viewmodecontroller.h"
  77 #include "viewproperties.h"
  78 #include "views/tooltips/tooltipmanager.h"
  79 #include "zoomlevelinfo.h"
  80
  81 #ifdef HAVE_BALOO
  82     #include <Baloo/IndexerConfig>
  83 #endif
  84 #include <KFormat>
  85
  86 namespace {
  87     const int MaxModeEnum = DolphinView::CompactView;
  88 };
  89
  90 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  91     QWidget(parent),
  92     m_active(true),
  93     m_tabsForFiles(false),
  94     m_assureVisibleCurrentIndex(false),
  95     m_isFolderWritable(true),
  96     m_dragging(false),
  97     m_url(url),
  98     m_viewPropertiesContext(),
  99     m_mode(DolphinView::IconsView),
 100     m_visibleRoles(),
 101     m_topLayout(0),
 102     m_model(0),
 103     m_view(0),
 104     m_container(0),
 105     m_toolTipManager(0),
 106     m_selectionChangedTimer(0),
 107     m_currentItemUrl(),
 108     m_scrollToCurrentItem(false),
 109     m_restoredContentsPosition(),
 110     m_selectedUrls(),
 111     m_clearSelectionBeforeSelectingNewItems(false),
 112     m_markFirstNewlySelectedItemAsCurrent(false),
 113     m_versionControlObserver(0)
 114 {
 115     m_topLayout = new QVBoxLayout(this);
 116     m_topLayout->setSpacing(0);
 117     m_topLayout->setMargin(0);
 118
 119     // When a new item has been created by the "Create New..." menu, the item should
 120     // get selected and it must be assured that the item will get visible. As the
 121     // creation is done asynchronously, several signals must be checked:
 122     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 123             this, &DolphinView::observeCreatedItem);
 124
 125     m_selectionChangedTimer = new QTimer(this);
 126     m_selectionChangedTimer->setSingleShot(true);
 127     m_selectionChangedTimer->setInterval(300);
 128     connect(m_selectionChangedTimer, &QTimer::timeout,
 129             this, &DolphinView::emitSelectionChangedSignal);
 130
 131     m_model = new KFileItemModel(this);
 132     m_view = new DolphinItemListView();
 133     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 134     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 135     applyModeToView();
 136
 137     KItemListController* controller = new KItemListController(m_model, m_view, this);
 138     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 139     controller->setAutoActivationDelay(delay);
 140
 141     // The EnlargeSmallPreviews setting can only be changed after the model
 142     // has been set in the view by KItemListController.
 143     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 144
 145     m_container = new KItemListContainer(controller, this);
 146     m_container->installEventFilter(this);
 147     setFocusProxy(m_container);
 148     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 149     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 150
 151     controller->setSelectionBehavior(KItemListController::MultiSelection);
 152     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 153     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 154     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 155     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 156     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 157     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 158     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 159     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 160     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 161     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 162     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 163     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 164
 165     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 166     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 167     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 168     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 169     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 170     connect(m_model, &KFileItemModel::itemsChanged,
 171             this, &DolphinView::slotItemsChanged);
 172     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 173     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 174     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 175     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 176     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 177     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 178
 179     m_view->installEventFilter(this);
 180     connect(m_view, &DolphinItemListView::sortOrderChanged,
 181             this, &DolphinView::slotSortOrderChangedByHeader);
 182     connect(m_view, &DolphinItemListView::sortRoleChanged,
 183             this, &DolphinView::slotSortRoleChangedByHeader);
 184     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 185             this, &DolphinView::slotVisibleRolesChangedByHeader);
 186     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 187             this, &DolphinView::slotRoleEditingCanceled);
 188     connect(m_view->header(), &KItemListHeader::columnWidthChanged,
 189             this, &DolphinView::slotHeaderColumnWidthChanged);
 190
 191     KItemListSelectionManager* selectionManager = controller->selectionManager();
 192     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 193             this, &DolphinView::slotSelectionChanged);
 194
 195     m_toolTipManager = new ToolTipManager(this);
 196
 197     m_versionControlObserver = new VersionControlObserver(this);
 198     m_versionControlObserver->setModel(m_model);
 199     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 200     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 201     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 202
 203     applyViewProperties();
 204     m_topLayout->addWidget(m_container);
 205
 206     loadDirectory(url);
 207 }
 208
 209 DolphinView::~DolphinView()
 210 {
 211 }
 212
 213 KUrl DolphinView::url() const
 214 {
 215     return m_url;
 216 }
 217
 218 void DolphinView::setActive(bool active)
 219 {
 220     if (active == m_active) {
 221         return;
 222     }
 223
 224     m_active = active;
 225
 226     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 227     if (!active) {
 228         color.setAlpha(150);
 229     }
 230
 231     QWidget* viewport = m_container->viewport();
 232     if (viewport) {
 233         QPalette palette;
 234         palette.setColor(viewport->backgroundRole(), color);
 235         viewport->setPalette(palette);
 236     }
 237
 238     update();
 239
 240     if (active) {
 241         m_container->setFocus();
 242         emit activated();
 243         emit writeStateChanged(m_isFolderWritable);
 244     }
 245 }
 246
 247 bool DolphinView::isActive() const
 248 {
 249     return m_active;
 250 }
 251
 252 void DolphinView::setMode(Mode mode)
 253 {
 254     if (mode != m_mode) {
 255         ViewProperties props(viewPropertiesUrl());
 256         props.setViewMode(mode);
 257
 258         // We pass the new ViewProperties to applyViewProperties, rather than
 259         // storing them on disk and letting applyViewProperties() read them
 260         // from there, to prevent that changing the view mode fails if the
 261         // .directory file is not writable (see bug 318534).
 262         applyViewProperties(props);
 263     }
 264 }
 265
 266 DolphinView::Mode DolphinView::mode() const
 267 {
 268     return m_mode;
 269 }
 270
 271 void DolphinView::setPreviewsShown(bool show)
 272 {
 273     if (previewsShown() == show) {
 274         return;
 275     }
 276
 277     ViewProperties props(viewPropertiesUrl());
 278     props.setPreviewsShown(show);
 279
 280     const int oldZoomLevel = m_view->zoomLevel();
 281     m_view->setPreviewsShown(show);
 282     emit previewsShownChanged(show);
 283
 284     const int newZoomLevel = m_view->zoomLevel();
 285     if (newZoomLevel != oldZoomLevel) {
 286         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 287     }
 288 }
 289
 290 bool DolphinView::previewsShown() const
 291 {
 292     return m_view->previewsShown();
 293 }
 294
 295 void DolphinView::setHiddenFilesShown(bool show)
 296 {
 297     if (m_model->showHiddenFiles() == show) {
 298         return;
 299     }
 300
 301     const KFileItemList itemList = selectedItems();
 302     m_selectedUrls.clear();
 303     m_selectedUrls = KUrl::List(itemList.urlList());
 304
 305     ViewProperties props(viewPropertiesUrl());
 306     props.setHiddenFilesShown(show);
 307
 308     m_model->setShowHiddenFiles(show);
 309     emit hiddenFilesShownChanged(show);
 310 }
 311
 312 bool DolphinView::hiddenFilesShown() const
 313 {
 314     return m_model->showHiddenFiles();
 315 }
 316
 317 void DolphinView::setGroupedSorting(bool grouped)
 318 {
 319     if (grouped == groupedSorting()) {
 320         return;
 321     }
 322
 323     ViewProperties props(viewPropertiesUrl());
 324     props.setGroupedSorting(grouped);
 325     props.save();
 326
 327     m_container->controller()->model()->setGroupedSorting(grouped);
 328
 329     emit groupedSortingChanged(grouped);
 330 }
 331
 332 bool DolphinView::groupedSorting() const
 333 {
 334     return m_model->groupedSorting();
 335 }
 336
 337 KFileItemList DolphinView::items() const
 338 {
 339     KFileItemList list;
 340     const int itemCount = m_model->count();
 341     list.reserve(itemCount);
 342
 343     for (int i = 0; i < itemCount; ++i) {
 344         list.append(m_model->fileItem(i));
 345     }
 346
 347     return list;
 348 }
 349
 350 int DolphinView::itemsCount() const
 351 {
 352     return m_model->count();
 353 }
 354
 355 KFileItemList DolphinView::selectedItems() const
 356 {
 357     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 358
 359     KFileItemList selectedItems;
 360     foreach (int index, selectionManager->selectedItems()) {
 361         selectedItems.append(m_model->fileItem(index));
 362     }
 363     return selectedItems;
 364 }
 365
 366 int DolphinView::selectedItemsCount() const
 367 {
 368     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 369     return selectionManager->selectedItems().count();
 370 }
 371
 372 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 373 {
 374     m_selectedUrls = urls;
 375 }
 376
 377 void DolphinView::markUrlAsCurrent(const KUrl& url)
 378 {
 379     m_currentItemUrl = url;
 380     m_scrollToCurrentItem = true;
 381 }
 382
 383 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 384 {
 385     const KItemListSelectionManager::SelectionMode mode = enabled
 386                                                         ? KItemListSelectionManager::Select
 387                                                         : KItemListSelectionManager::Deselect;
 388     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 389
 390     for (int index = 0; index < m_model->count(); index++) {
 391         const KFileItem item = m_model->fileItem(index);
 392         if (pattern.exactMatch(item.text())) {
 393             // An alternative approach would be to store the matching items in a KItemSet and
 394             // select them in one go after the loop, but we'd need a new function
 395             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 396             // for that.
 397             selectionManager->setSelected(index, 1, mode);
 398         }
 399     }
 400 }
 401
 402 void DolphinView::setZoomLevel(int level)
 403 {
 404     const int oldZoomLevel = zoomLevel();
 405     m_view->setZoomLevel(level);
 406     if (zoomLevel() != oldZoomLevel) {
 407         hideToolTip();
 408         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 409     }
 410 }
 411
 412 int DolphinView::zoomLevel() const
 413 {
 414     return m_view->zoomLevel();
 415 }
 416
 417 void DolphinView::setSortRole(const QByteArray& role)
 418 {
 419     if (role != sortRole()) {
 420         updateSortRole(role);
 421     }
 422 }
 423
 424 QByteArray DolphinView::sortRole() const
 425 {
 426     const KItemModelBase* model = m_container->controller()->model();
 427     return model->sortRole();
 428 }
 429
 430 void DolphinView::setSortOrder(Qt::SortOrder order)
 431 {
 432     if (sortOrder() != order) {
 433         updateSortOrder(order);
 434     }
 435 }
 436
 437 Qt::SortOrder DolphinView::sortOrder() const
 438 {
 439     return m_model->sortOrder();
 440 }
 441
 442 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 443 {
 444     if (sortFoldersFirst() != foldersFirst) {
 445         updateSortFoldersFirst(foldersFirst);
 446     }
 447 }
 448
 449 bool DolphinView::sortFoldersFirst() const
 450 {
 451     return m_model->sortDirectoriesFirst();
 452 }
 453
 454 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 455 {
 456     const QList<QByteArray> previousRoles = roles;
 457
 458     ViewProperties props(viewPropertiesUrl());
 459     props.setVisibleRoles(roles);
 460
 461     m_visibleRoles = roles;
 462     m_view->setVisibleRoles(roles);
 463
 464     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 465 }
 466
 467 QList<QByteArray> DolphinView::visibleRoles() const
 468 {
 469     return m_visibleRoles;
 470 }
 471
 472 void DolphinView::reload()
 473 {
 474     QByteArray viewState;
 475     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 476     saveState(saveStream);
 477
 478     const KFileItemList itemList = selectedItems();
 479     m_selectedUrls.clear();
 480     m_selectedUrls = KUrl::List(itemList.urlList());
 481
 482     setUrl(url());
 483     loadDirectory(url(), true);
 484
 485     QDataStream restoreStream(viewState);
 486     restoreState(restoreStream);
 487 }
 488
 489 void DolphinView::readSettings()
 490 {
 491     const int oldZoomLevel = m_view->zoomLevel();
 492
 493     GeneralSettings::self()->load();
 494     m_view->readSettings();
 495     applyViewProperties();
 496
 497     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 498     m_container->controller()->setAutoActivationDelay(delay);
 499
 500     const int newZoomLevel = m_view->zoomLevel();
 501     if (newZoomLevel != oldZoomLevel) {
 502         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 503     }
 504 }
 505
 506 void DolphinView::writeSettings()
 507 {
 508     GeneralSettings::self()->save();
 509     m_view->writeSettings();
 510 }
 511
 512 void DolphinView::setNameFilter(const QString& nameFilter)
 513 {
 514     m_model->setNameFilter(nameFilter);
 515 }
 516
 517 QString DolphinView::nameFilter() const
 518 {
 519     return m_model->nameFilter();
 520 }
 521
 522 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 523 {
 524     return m_model->setMimeTypeFilters(filters);
 525 }
 526
 527 QStringList DolphinView::mimeTypeFilters() const
 528 {
 529     return m_model->mimeTypeFilters();
 530 }
 531
 532 QString DolphinView::statusBarText() const
 533 {
 534     QString summary;
 535     QString foldersText;
 536     QString filesText;
 537
 538     int folderCount = 0;
 539     int fileCount = 0;
 540     KIO::filesize_t totalFileSize = 0;
 541
 542     if (m_container->controller()->selectionManager()->hasSelection()) {
 543         // Give a summary of the status of the selected files
 544         const KFileItemList list = selectedItems();
 545         foreach (const KFileItem& item, list) {
 546             if (item.isDir()) {
 547                 ++folderCount;
 548             } else {
 549                 ++fileCount;
 550                 totalFileSize += item.size();
 551             }
 552         }
 553
 554         if (folderCount + fileCount == 1) {
 555             // If only one item is selected, show info about it
 556             return list.first().getStatusBarInfo();
 557         } else {
 558             // At least 2 items are selected
 559             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 560             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 561         }
 562     } else {
 563         calculateItemCount(fileCount, folderCount, totalFileSize);
 564         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 565         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 566     }
 567
 568     if (fileCount > 0 && folderCount > 0) {
 569         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 570                         foldersText, filesText,
 571                         KFormat().formatByteSize(totalFileSize));
 572     } else if (fileCount > 0) {
 573         summary = i18nc("@info:status files (size)", "%1 (%2)",
 574                         filesText,
 575                         KFormat().formatByteSize(totalFileSize));
 576     } else if (folderCount > 0) {
 577         summary = foldersText;
 578     } else {
 579         summary = i18nc("@info:status", "0 Folders, 0 Files");
 580     }
 581
 582     return summary;
 583 }
 584
 585 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 586 {
 587     QList<QAction*> actions;
 588
 589     if (items.isEmpty()) {
 590         const KFileItem item = m_model->rootItem();
 591         if (!item.isNull()) {
 592             actions = m_versionControlObserver->actions(KFileItemList() << item);
 593         }
 594     } else {
 595         actions = m_versionControlObserver->actions(items);
 596     }
 597
 598     return actions;
 599 }
 600
 601 void DolphinView::setUrl(const KUrl& url)
 602 {
 603     if (url == m_url) {
 604         return;
 605     }
 606
 607     clearSelection();
 608
 609     emit urlAboutToBeChanged(url);
 610     m_url = url;
 611
 612     hideToolTip();
 613
 614     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 615                this, &DolphinView::slotRoleEditingFinished);
 616
 617     // It is important to clear the items from the model before
 618     // applying the view properties, otherwise expensive operations
 619     // might be done on the existing items although they get cleared
 620     // anyhow afterwards by loadDirectory().
 621     m_model->clear();
 622     applyViewProperties();
 623     loadDirectory(url);
 624
 625     emit urlChanged(url);
 626 }
 627
 628 void DolphinView::selectAll()
 629 {
 630     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 631     selectionManager->setSelected(0, m_model->count());
 632 }
 633
 634 void DolphinView::invertSelection()
 635 {
 636     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 637     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 638 }
 639
 640 void DolphinView::clearSelection()
 641 {
 642     m_selectedUrls.clear();
 643     m_container->controller()->selectionManager()->clearSelection();
 644 }
 645
 646 void DolphinView::renameSelectedItems()
 647 {
 648     const KFileItemList items = selectedItems();
 649     if (items.isEmpty()) {
 650         return;
 651     }
 652
 653     if (items.count() == 1 && GeneralSettings::renameInline()) {
 654         const int index = m_model->index(items.first());
 655         m_view->editRole(index, "text");
 656
 657         hideToolTip();
 658
 659         connect(m_view, &DolphinItemListView::roleEditingFinished,
 660                 this, &DolphinView::slotRoleEditingFinished);
 661     } else {
 662         RenameDialog* dialog = new RenameDialog(this, items);
 663         dialog->setAttribute(Qt::WA_DeleteOnClose);
 664         dialog->show();
 665         dialog->raise();
 666         dialog->activateWindow();
 667     }
 668
 669     // Assure that the current index remains visible when KFileItemModel
 670     // will notify the view about changed items (which might result in
 671     // a changed sorting).
 672     m_assureVisibleCurrentIndex = true;
 673 }
 674
 675 void DolphinView::trashSelectedItems()
 676 {
 677     const KUrl::List list = simplifiedSelectedUrls();
 678     KIO::JobUiDelegate uiDelegate;
 679     uiDelegate.setWindow(window());
 680     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 681         KIO::Job* job = KIO::trash(list);
 682         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, KUrl("trash:/"), job);
 683         KJobWidgets::setWindow(job, this);
 684         connect(job, &KIO::Job::result,
 685                 this, &DolphinView::slotTrashFileFinished);
 686     }
 687 }
 688
 689 void DolphinView::deleteSelectedItems()
 690 {
 691     const KUrl::List list = simplifiedSelectedUrls();
 692
 693     KIO::JobUiDelegate uiDelegate;
 694     uiDelegate.setWindow(window());
 695     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 696         KIO::Job* job = KIO::del(list);
 697         KJobWidgets::setWindow(job, this);
 698         connect(job, &KIO::Job::result,
 699                 this, &DolphinView::slotDeleteFileFinished);
 700     }
 701 }
 702
 703 void DolphinView::cutSelectedItems()
 704 {
 705     QMimeData* mimeData = selectionMimeData();
 706     KIO::setClipboardDataCut(mimeData, true);
 707     QApplication::clipboard()->setMimeData(mimeData);
 708 }
 709
 710 void DolphinView::copySelectedItems()
 711 {
 712     QMimeData* mimeData = selectionMimeData();
 713     QApplication::clipboard()->setMimeData(mimeData);
 714 }
 715
 716 void DolphinView::paste()
 717 {
 718     pasteToUrl(url());
 719 }
 720
 721 void DolphinView::pasteIntoFolder()
 722 {
 723     const KFileItemList items = selectedItems();
 724     if ((items.count() == 1) && items.first().isDir()) {
 725         pasteToUrl(items.first().url());
 726     }
 727 }
 728
 729 void DolphinView::stopLoading()
 730 {
 731     m_model->cancelDirectoryLoading();
 732 }
 733
 734 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 735 {
 736     switch (event->type()) {
 737     case QEvent::FocusIn:
 738         if (watched == m_container) {
 739             setActive(true);
 740         }
 741         break;
 742
 743     case QEvent::GraphicsSceneDragEnter:
 744         if (watched == m_view) {
 745             m_dragging = true;
 746         }
 747         break;
 748
 749     case QEvent::GraphicsSceneDragLeave:
 750         if (watched == m_view) {
 751             m_dragging = false;
 752         }
 753         break;
 754
 755     case QEvent::GraphicsSceneDrop:
 756         if (watched == m_view) {
 757             m_dragging = false;
 758         }
 759     default:
 760         break;
 761     }
 762
 763     return QWidget::eventFilter(watched, event);
 764 }
 765
 766 void DolphinView::wheelEvent(QWheelEvent* event)
 767 {
 768     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 769         const int numDegrees = event->delta() / 8;
 770         const int numSteps = numDegrees / 15;
 771
 772         setZoomLevel(zoomLevel() + numSteps);
 773         event->accept();
 774     } else {
 775         event->ignore();
 776     }
 777 }
 778
 779 void DolphinView::hideEvent(QHideEvent* event)
 780 {
 781     hideToolTip();
 782     QWidget::hideEvent(event);
 783 }
 784
 785 bool DolphinView::event(QEvent* event)
 786 {
 787     /* See Bug 297355
 788      * Dolphin leaves file preview tooltips open even when is not visible.
 789      *
 790      * Hide tool-tip when Dolphin loses focus.
 791      */
 792     if (event->type() == QEvent::WindowDeactivate) {
 793         hideToolTip();
 794     }
 795
 796     return QWidget::event(event);
 797 }
 798
 799 void DolphinView::activate()
 800 {
 801     setActive(true);
 802 }
 803
 804 void DolphinView::slotItemActivated(int index)
 805 {
 806     const KFileItem item = m_model->fileItem(index);
 807     if (!item.isNull()) {
 808         emit itemActivated(item);
 809     }
 810 }
 811
 812 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 813 {
 814     Q_ASSERT(indexes.count() >= 2);
 815
 816     if (indexes.count() > 5) {
 817         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 818         const int answer = KMessageBox::warningYesNo(this, question);
 819         if (answer != KMessageBox::Yes) {
 820             return;
 821         }
 822     }
 823
 824     KFileItemList items;
 825     items.reserve(indexes.count());
 826
 827     foreach (int index, indexes) {
 828         KFileItem item = m_model->fileItem(index);
 829         const KUrl& url = openItemAsFolderUrl(item);
 830
 831         if (!url.isEmpty()) { // Open folders in new tabs
 832             emit tabRequested(url);
 833         } else {
 834             items.append(item);
 835         }
 836     }
 837
 838     if (items.count() == 1) {
 839         emit itemActivated(items.first());
 840     } else if (items.count() > 1) {
 841         emit itemsActivated(items);
 842     }
 843 }
 844
 845 void DolphinView::slotItemMiddleClicked(int index)
 846 {
 847     const KFileItem& item = m_model->fileItem(index);
 848     const KUrl& url = openItemAsFolderUrl(item);
 849     if (!url.isEmpty()) {
 850         emit tabRequested(url);
 851     } else if (isTabsForFilesEnabled()) {
 852         emit tabRequested(item.url());
 853     }
 854 }
 855
 856 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 857 {
 858     // Force emit of a selection changed signal before we request the
 859     // context menu, to update the edit-actions first. (See Bug 294013)
 860     if (m_selectionChangedTimer->isActive()) {
 861         emitSelectionChangedSignal();
 862     }
 863
 864     const KFileItem item = m_model->fileItem(index);
 865     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 866 }
 867
 868 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 869 {
 870     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 871 }
 872
 873 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 874 {
 875     ViewProperties props(viewPropertiesUrl());
 876
 877     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 878
 879     KItemListView* view = m_container->controller()->view();
 880     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 881
 882     bool indexingEnabled = false;
 883 #ifdef HAVE_BALOO
 884     Baloo::IndexerConfig config;
 885     indexingEnabled = config.fileIndexingEnabled();
 886 #endif
 887
 888     QString groupName;
 889     QMenu* groupMenu = 0;
 890
 891     // Add all roles to the menu that can be shown or hidden by the user
 892     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 893     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 894         if (info.role == "text") {
 895             // It should not be possible to hide the "text" role
 896             continue;
 897         }
 898
 899         const QString text = m_model->roleDescription(info.role);
 900         QAction* action = 0;
 901         if (info.group.isEmpty()) {
 902             action = menu->addAction(text);
 903         } else {
 904             if (!groupMenu || info.group != groupName) {
 905                 groupName = info.group;
 906                 groupMenu = menu->addMenu(groupName);
 907             }
 908
 909             action = groupMenu->addAction(text);
 910         }
 911
 912         action->setCheckable(true);
 913         action->setChecked(visibleRolesSet.contains(info.role));
 914         action->setData(info.role);
 915
 916         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 917                             (info.requiresBaloo) ||
 918                             (info.requiresIndexer && indexingEnabled);
 919         action->setEnabled(enable);
 920     }
 921
 922     menu->addSeparator();
 923
 924     QActionGroup* widthsGroup = new QActionGroup(menu);
 925     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 926
 927     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 928     autoAdjustWidthsAction->setCheckable(true);
 929     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 930     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 931
 932     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 933     customWidthsAction->setCheckable(true);
 934     customWidthsAction->setChecked(!autoColumnWidths);
 935     customWidthsAction->setActionGroup(widthsGroup);
 936
 937     QAction* action = menu->exec(pos.toPoint());
 938     if (menu && action) {
 939         KItemListHeader* header = view->header();
 940
 941         if (action == autoAdjustWidthsAction) {
 942             // Clear the column-widths from the viewproperties and turn on
 943             // the automatic resizing of the columns
 944             props.setHeaderColumnWidths(QList<int>());
 945             header->setAutomaticColumnResizing(true);
 946         } else if (action == customWidthsAction) {
 947             // Apply the current column-widths as custom column-widths and turn
 948             // off the automatic resizing of the columns
 949             QList<int> columnWidths;
 950             foreach (const QByteArray& role, view->visibleRoles()) {
 951                 columnWidths.append(header->columnWidth(role));
 952             }
 953             props.setHeaderColumnWidths(columnWidths);
 954             header->setAutomaticColumnResizing(false);
 955         } else {
 956             // Show or hide the selected role
 957             const QByteArray selectedRole = action->data().toByteArray();
 958
 959             QList<QByteArray> visibleRoles = view->visibleRoles();
 960             if (action->isChecked()) {
 961                 visibleRoles.append(selectedRole);
 962             } else {
 963                 visibleRoles.removeOne(selectedRole);
 964             }
 965
 966             view->setVisibleRoles(visibleRoles);
 967             props.setVisibleRoles(visibleRoles);
 968
 969             QList<int> columnWidths;
 970             if (!header->automaticColumnResizing()) {
 971                 foreach (const QByteArray& role, view->visibleRoles()) {
 972                     columnWidths.append(header->columnWidth(role));
 973                 }
 974             }
 975             props.setHeaderColumnWidths(columnWidths);
 976         }
 977     }
 978
 979     delete menu;
 980 }
 981
 982 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 983 {
 984     Q_UNUSED(previous);
 985
 986     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 987
 988     ViewProperties props(viewPropertiesUrl());
 989     QList<int> columnWidths = props.headerColumnWidths();
 990     if (columnWidths.count() != visibleRoles.count()) {
 991         columnWidths.clear();
 992         columnWidths.reserve(visibleRoles.count());
 993         const KItemListHeader* header = m_view->header();
 994         foreach (const QByteArray& role, visibleRoles) {
 995             const int width = header->columnWidth(role);
 996             columnWidths.append(width);
 997         }
 998     }
 999
1000     const int roleIndex = visibleRoles.indexOf(role);
1001     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1002     columnWidths[roleIndex] = current;
1003
1004     props.setHeaderColumnWidths(columnWidths);
1005 }
1006
1007 void DolphinView::slotItemHovered(int index)
1008 {
1009     const KFileItem item = m_model->fileItem(index);
1010
1011     if (GeneralSettings::showToolTips() && !m_dragging) {
1012         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1013         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1014         itemRect.moveTo(pos);
1015
1016         m_toolTipManager->showToolTip(item, itemRect);
1017     }
1018
1019     emit requestItemInfo(item);
1020 }
1021
1022 void DolphinView::slotItemUnhovered(int index)
1023 {
1024     Q_UNUSED(index);
1025     hideToolTip();
1026     emit requestItemInfo(KFileItem());
1027 }
1028
1029 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1030 {
1031     KUrl destUrl;
1032     KFileItem destItem = m_model->fileItem(index);
1033     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1034         // Use the URL of the view as drop target if the item is no directory
1035         // or desktop-file
1036         destItem = m_model->rootItem();
1037         destUrl = url();
1038     } else {
1039         // The item represents a directory or desktop-file
1040         destUrl = destItem.url();
1041     }
1042
1043     QDropEvent dropEvent(event->pos().toPoint(),
1044                          event->possibleActions(),
1045                          event->mimeData(),
1046                          event->buttons(),
1047                          event->modifiers());
1048
1049     QString error;
1050     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1051     if (!error.isEmpty()) {
1052         emit infoMessage(error);
1053     }
1054
1055     if (op && destUrl == url()) {
1056         // Mark the dropped urls as selected.
1057         m_clearSelectionBeforeSelectingNewItems = true;
1058         m_markFirstNewlySelectedItemAsCurrent = true;
1059         connect(op, static_cast<void(KonqOperations::*)(const KUrl::List&)>(&KonqOperations::aboutToCreate), this, &DolphinView::slotAboutToCreate);
1060     }
1061
1062     setActive(true);
1063 }
1064
1065 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1066 {
1067     if (previous != 0) {
1068         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1069         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1070         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1071         m_versionControlObserver->setModel(0);
1072     }
1073
1074     if (current) {
1075         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1076         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1077         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1078         m_versionControlObserver->setModel(fileItemModel);
1079     }
1080 }
1081
1082 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1083 {
1084     Q_UNUSED(itemIndex);
1085
1086     hideToolTip();
1087
1088     if (buttons & Qt::BackButton) {
1089         emit goBackRequested();
1090     } else if (buttons & Qt::ForwardButton) {
1091         emit goForwardRequested();
1092     }
1093 }
1094
1095 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1096 {
1097     if (!urls.isEmpty()) {
1098         if (m_markFirstNewlySelectedItemAsCurrent) {
1099             markUrlAsCurrent(urls.first());
1100             m_markFirstNewlySelectedItemAsCurrent = false;
1101         }
1102         m_selectedUrls << KUrl::List(KDirModel::simplifiedUrlList(urls));
1103     }
1104 }
1105
1106 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1107 {
1108     const int currentCount = current.count();
1109     const int previousCount = previous.count();
1110     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1111                                        (currentCount >  0 && previousCount == 0);
1112
1113     // If nothing has been selected before and something got selected (or if something
1114     // was selected before and now nothing is selected) the selectionChangedSignal must
1115     // be emitted asynchronously as fast as possible to update the edit-actions.
1116     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1117     m_selectionChangedTimer->start();
1118 }
1119
1120 void DolphinView::emitSelectionChangedSignal()
1121 {
1122     m_selectionChangedTimer->stop();
1123     emit selectionChanged(selectedItems());
1124 }
1125
1126 void DolphinView::updateSortRole(const QByteArray& role)
1127 {
1128     ViewProperties props(viewPropertiesUrl());
1129     props.setSortRole(role);
1130
1131     KItemModelBase* model = m_container->controller()->model();
1132     model->setSortRole(role);
1133
1134     emit sortRoleChanged(role);
1135 }
1136
1137 void DolphinView::updateSortOrder(Qt::SortOrder order)
1138 {
1139     ViewProperties props(viewPropertiesUrl());
1140     props.setSortOrder(order);
1141
1142     m_model->setSortOrder(order);
1143
1144     emit sortOrderChanged(order);
1145 }
1146
1147 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1148 {
1149     ViewProperties props(viewPropertiesUrl());
1150     props.setSortFoldersFirst(foldersFirst);
1151
1152     m_model->setSortDirectoriesFirst(foldersFirst);
1153
1154     emit sortFoldersFirstChanged(foldersFirst);
1155 }
1156
1157 QPair<bool, QString> DolphinView::pasteInfo() const
1158 {
1159     return KonqOperations::pasteInfo(url());
1160 }
1161
1162 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1163 {
1164     m_tabsForFiles = tabsForFiles;
1165 }
1166
1167 bool DolphinView::isTabsForFilesEnabled() const
1168 {
1169     return m_tabsForFiles;
1170 }
1171
1172 bool DolphinView::itemsExpandable() const
1173 {
1174     return m_mode == DetailsView;
1175 }
1176
1177 void DolphinView::restoreState(QDataStream& stream)
1178 {
1179     // Read the version number of the view state and check if the version is supported.
1180     quint32 version = 0;
1181     stream >> version;
1182     if (version != 1) {
1183         // The version of the view state isn't supported, we can't restore it.
1184         return;
1185     }
1186
1187     // Restore the current item that had the keyboard focus
1188     stream >> m_currentItemUrl;
1189
1190     // Restore the view position
1191     stream >> m_restoredContentsPosition;
1192
1193     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1194     QSet<KUrl> urls;
1195     stream >> urls;
1196     m_model->restoreExpandedDirectories(urls);
1197 }
1198
1199 void DolphinView::saveState(QDataStream& stream)
1200 {
1201     stream << quint32(1); // View state version
1202
1203     // Save the current item that has the keyboard focus
1204     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1205     if (currentIndex != -1) {
1206         KFileItem item = m_model->fileItem(currentIndex);
1207         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1208         KUrl currentItemUrl = item.url();
1209         stream << currentItemUrl;
1210     } else {
1211         stream << KUrl();
1212     }
1213
1214     // Save view position
1215     const qreal x = m_container->horizontalScrollBar()->value();
1216     const qreal y = m_container->verticalScrollBar()->value();
1217     stream << QPoint(x, y);
1218
1219     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1220     stream << m_model->expandedDirectories();
1221 }
1222
1223 KFileItem DolphinView::rootItem() const
1224 {
1225     return m_model->rootItem();
1226 }
1227
1228 void DolphinView::setViewPropertiesContext(const QString& context)
1229 {
1230     m_viewPropertiesContext = context;
1231 }
1232
1233 QString DolphinView::viewPropertiesContext() const
1234 {
1235     return m_viewPropertiesContext;
1236 }
1237
1238 KUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1239 {
1240     if (item.isNull()) {
1241         return KUrl();
1242     }
1243
1244     KUrl url = item.targetUrl();
1245
1246     if (item.isDir()) {
1247         return url;
1248     }
1249
1250     if (item.isMimeTypeKnown()) {
1251         const QString& mimetype = item.mimetype();
1252
1253         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1254             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1255             // zip:/<path>/ when clicking on a zip file, etc.
1256             // The .protocol file specifies the mimetype that the kioslave handles.
1257             // Note that we don't use mimetype inheritance since we don't want to
1258             // open OpenDocument files as zip folders...
1259             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1260             if (!protocol.isEmpty()) {
1261                 url.setProtocol(protocol);
1262                 return url;
1263             }
1264         }
1265
1266         if (mimetype == QLatin1String("application/x-desktop")) {
1267             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1268             KDesktopFile desktopFile(url.toLocalFile());
1269             if (desktopFile.hasLinkType()) {
1270                 const QString linkUrl = desktopFile.readUrl();
1271                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1272                     return linkUrl;
1273                 }
1274             }
1275         }
1276     }
1277
1278     return KUrl();
1279 }
1280
1281 void DolphinView::observeCreatedItem(const KUrl& url)
1282 {
1283     if (m_active) {
1284         clearSelection();
1285         markUrlAsCurrent(url);
1286         markUrlsAsSelected(QList<KUrl>() << url);
1287     }
1288 }
1289
1290 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1291 {
1292     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1293         emit redirection(oldUrl, newUrl);
1294         m_url = newUrl; // #186947
1295     }
1296 }
1297
1298 void DolphinView::updateViewState()
1299 {
1300     if (m_currentItemUrl != KUrl()) {
1301         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1302         const int currentIndex = m_model->index(m_currentItemUrl);
1303         if (currentIndex != -1) {
1304             selectionManager->setCurrentItem(currentIndex);
1305
1306             // scroll to current item and reset the state
1307             if (m_scrollToCurrentItem) {
1308                 m_view->scrollToItem(currentIndex);
1309                 m_scrollToCurrentItem = false;
1310             }
1311         } else {
1312             selectionManager->setCurrentItem(0);
1313         }
1314
1315         m_currentItemUrl = KUrl();
1316     }
1317
1318     if (!m_restoredContentsPosition.isNull()) {
1319         const int x = m_restoredContentsPosition.x();
1320         const int y = m_restoredContentsPosition.y();
1321         m_restoredContentsPosition = QPoint();
1322
1323         m_container->horizontalScrollBar()->setValue(x);
1324         m_container->verticalScrollBar()->setValue(y);
1325     }
1326
1327     if (!m_selectedUrls.isEmpty()) {
1328         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1329
1330         if (m_clearSelectionBeforeSelectingNewItems) {
1331             selectionManager->clearSelection();
1332             m_clearSelectionBeforeSelectingNewItems = false;
1333         }
1334
1335         KItemSet selectedItems = selectionManager->selectedItems();
1336
1337         QList<KUrl>::iterator it = m_selectedUrls.begin();
1338         while (it != m_selectedUrls.end()) {
1339             const int index = m_model->index(*it);
1340             if (index >= 0) {
1341                 selectedItems.insert(index);
1342                 it = m_selectedUrls.erase(it);
1343             } else {
1344                  ++it;
1345             }
1346         }
1347
1348         selectionManager->setSelectedItems(selectedItems);
1349     }
1350 }
1351
1352 void DolphinView::hideToolTip()
1353 {
1354     if (GeneralSettings::showToolTips()) {
1355         m_toolTipManager->hideToolTip();
1356     }
1357 }
1358
1359 void DolphinView::calculateItemCount(int& fileCount,
1360                                      int& folderCount,
1361                                      KIO::filesize_t& totalFileSize) const
1362 {
1363     const int itemCount = m_model->count();
1364     for (int i = 0; i < itemCount; ++i) {
1365         const KFileItem item = m_model->fileItem(i);
1366         if (item.isDir()) {
1367             ++folderCount;
1368         } else {
1369             ++fileCount;
1370             totalFileSize += item.size();
1371         }
1372     }
1373 }
1374
1375 void DolphinView::slotTrashFileFinished(KJob* job)
1376 {
1377     if (job->error() == 0) {
1378         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1379     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1380         emit errorMessage(job->errorString());
1381     }
1382 }
1383
1384 void DolphinView::slotDeleteFileFinished(KJob* job)
1385 {
1386     if (job->error() == 0) {
1387         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1388     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1389         emit errorMessage(job->errorString());
1390     }
1391 }
1392
1393 void DolphinView::slotRenamingResult(KJob* job)
1394 {
1395     if (job->error()) {
1396         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1397         Q_ASSERT(copyJob);
1398         const QUrl newUrl = copyJob->destUrl();
1399         const int index = m_model->index(KUrl(newUrl));
1400         if (index >= 0) {
1401             QHash<QByteArray, QVariant> data;
1402             const QUrl oldUrl = copyJob->srcUrls().first();
1403             data.insert("text", oldUrl.fileName());
1404             m_model->setData(index, data);
1405         }
1406     }
1407 }
1408
1409 void DolphinView::slotDirectoryLoadingStarted()
1410 {
1411     // Disable the writestate temporary until it can be determined in a fast way
1412     // in DolphinView::slotLoadingCompleted()
1413     if (m_isFolderWritable) {
1414         m_isFolderWritable = false;
1415         emit writeStateChanged(m_isFolderWritable);
1416     }
1417
1418     emit directoryLoadingStarted();
1419 }
1420
1421 void DolphinView::slotDirectoryLoadingCompleted()
1422 {
1423     // Update the view-state. This has to be done asynchronously
1424     // because the view might not be in its final state yet.
1425     QTimer::singleShot(0, this, SLOT(updateViewState()));
1426
1427     emit directoryLoadingCompleted();
1428
1429     updateWritableState();
1430 }
1431
1432 void DolphinView::slotItemsChanged()
1433 {
1434     m_assureVisibleCurrentIndex = false;
1435 }
1436
1437 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1438 {
1439     Q_UNUSED(previous);
1440     Q_ASSERT(m_model->sortOrder() == current);
1441
1442     ViewProperties props(viewPropertiesUrl());
1443     props.setSortOrder(current);
1444
1445     emit sortOrderChanged(current);
1446 }
1447
1448 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1449 {
1450     Q_UNUSED(previous);
1451     Q_ASSERT(m_model->sortRole() == current);
1452
1453     ViewProperties props(viewPropertiesUrl());
1454     props.setSortRole(current);
1455
1456     emit sortRoleChanged(current);
1457 }
1458
1459 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1460                                                   const QList<QByteArray>& previous)
1461 {
1462     Q_UNUSED(previous);
1463     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1464
1465     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1466
1467     m_visibleRoles = current;
1468
1469     ViewProperties props(viewPropertiesUrl());
1470     props.setVisibleRoles(m_visibleRoles);
1471
1472     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1473 }
1474
1475 void DolphinView::slotRoleEditingCanceled()
1476 {
1477     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1478                this, &DolphinView::slotRoleEditingFinished);
1479 }
1480
1481 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1482 {
1483     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1484                this, &DolphinView::slotRoleEditingFinished);
1485
1486     if (index < 0 || index >= m_model->count()) {
1487         return;
1488     }
1489
1490     if (role == "text") {
1491         const KFileItem oldItem = m_model->fileItem(index);
1492         const QString newName = value.toString();
1493         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1494             const KUrl oldUrl = oldItem.url();
1495
1496             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1497             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1498
1499             const bool newNameExistsAlready = (m_model->index(KUrl(newUrl)) >= 0);
1500             if (!newNameExistsAlready) {
1501                 // Only change the data in the model if no item with the new name
1502                 // is in the model yet. If there is an item with the new name
1503                 // already, calling KIO::CopyJob will open a dialog
1504                 // asking for a new name, and KFileItemModel will update the
1505                 // data when the dir lister signals that the file name has changed.
1506                 QHash<QByteArray, QVariant> data;
1507                 data.insert(role, value);
1508                 m_model->setData(index, data);
1509             }
1510
1511             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1512             KJobWidgets::setWindow(job, this);
1513             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, QList<QUrl>() << oldUrl, newUrl, job);
1514             job->ui()->setAutoErrorHandlingEnabled(true);
1515
1516             if (!newNameExistsAlready) {
1517                 // Only connect the result signal if there is no item with the new name
1518                 // in the model yet, see bug 328262.
1519                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1520             }
1521         }
1522     }
1523 }
1524
1525 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1526 {
1527     if (!url.isValid()) {
1528         const QString location(url.pathOrUrl());
1529         if (location.isEmpty()) {
1530             emit errorMessage(i18nc("@info:status", "The location is empty."));
1531         } else {
1532             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1533         }
1534         return;
1535     }
1536
1537     if (reload) {
1538         m_model->refreshDirectory(url);
1539     } else {
1540         m_model->loadDirectory(url);
1541     }
1542 }
1543
1544 void DolphinView::applyViewProperties()
1545 {
1546     const ViewProperties props(viewPropertiesUrl());
1547     applyViewProperties(props);
1548 }
1549
1550 void DolphinView::applyViewProperties(const ViewProperties& props)
1551 {
1552     m_view->beginTransaction();
1553
1554     const Mode mode = props.viewMode();
1555     if (m_mode != mode) {
1556         const Mode previousMode = m_mode;
1557         m_mode = mode;
1558
1559         // Changing the mode might result in changing
1560         // the zoom level. Remember the old zoom level so
1561         // that zoomLevelChanged() can get emitted.
1562         const int oldZoomLevel = m_view->zoomLevel();
1563         applyModeToView();
1564
1565         emit modeChanged(m_mode, previousMode);
1566
1567         if (m_view->zoomLevel() != oldZoomLevel) {
1568             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1569         }
1570     }
1571
1572     const bool hiddenFilesShown = props.hiddenFilesShown();
1573     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1574         m_model->setShowHiddenFiles(hiddenFilesShown);
1575         emit hiddenFilesShownChanged(hiddenFilesShown);
1576     }
1577
1578     const bool groupedSorting = props.groupedSorting();
1579     if (groupedSorting != m_model->groupedSorting()) {
1580         m_model->setGroupedSorting(groupedSorting);
1581         emit groupedSortingChanged(groupedSorting);
1582     }
1583
1584     const QByteArray sortRole = props.sortRole();
1585     if (sortRole != m_model->sortRole()) {
1586         m_model->setSortRole(sortRole);
1587         emit sortRoleChanged(sortRole);
1588     }
1589
1590     const Qt::SortOrder sortOrder = props.sortOrder();
1591     if (sortOrder != m_model->sortOrder()) {
1592         m_model->setSortOrder(sortOrder);
1593         emit sortOrderChanged(sortOrder);
1594     }
1595
1596     const bool sortFoldersFirst = props.sortFoldersFirst();
1597     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1598         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1599         emit sortFoldersFirstChanged(sortFoldersFirst);
1600     }
1601
1602     const QList<QByteArray> visibleRoles = props.visibleRoles();
1603     if (visibleRoles != m_visibleRoles) {
1604         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1605         m_visibleRoles = visibleRoles;
1606         m_view->setVisibleRoles(visibleRoles);
1607         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1608     }
1609
1610     const bool previewsShown = props.previewsShown();
1611     if (previewsShown != m_view->previewsShown()) {
1612         const int oldZoomLevel = zoomLevel();
1613
1614         m_view->setPreviewsShown(previewsShown);
1615         emit previewsShownChanged(previewsShown);
1616
1617         // Changing the preview-state might result in a changed zoom-level
1618         if (oldZoomLevel != zoomLevel()) {
1619             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1620         }
1621     }
1622
1623     KItemListView* itemListView = m_container->controller()->view();
1624     if (itemListView->isHeaderVisible()) {
1625         KItemListHeader* header = itemListView->header();
1626         const QList<int> headerColumnWidths = props.headerColumnWidths();
1627         const int rolesCount = m_visibleRoles.count();
1628         if (headerColumnWidths.count() == rolesCount) {
1629             header->setAutomaticColumnResizing(false);
1630
1631             QHash<QByteArray, qreal> columnWidths;
1632             for (int i = 0; i < rolesCount; ++i) {
1633                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1634             }
1635             header->setColumnWidths(columnWidths);
1636         } else {
1637             header->setAutomaticColumnResizing(true);
1638         }
1639     }
1640
1641     m_view->endTransaction();
1642 }
1643
1644 void DolphinView::applyModeToView()
1645 {
1646     switch (m_mode) {
1647     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1648     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1649     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1650     default: Q_ASSERT(false); break;
1651     }
1652 }
1653
1654 void DolphinView::pasteToUrl(const KUrl& url)
1655 {
1656     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1657     if (op) {
1658         m_clearSelectionBeforeSelectingNewItems = true;
1659         m_markFirstNewlySelectedItemAsCurrent = true;
1660         connect(op, static_cast<void(KonqOperations::*)(const KUrl::List&)>(&KonqOperations::aboutToCreate), this, &DolphinView::slotAboutToCreate);
1661     }
1662 }
1663
1664 KUrl::List DolphinView::simplifiedSelectedUrls() const
1665 {
1666     KUrl::List urls;
1667
1668     const KFileItemList items = selectedItems();
1669     foreach (const KFileItem& item, items) {
1670         urls.append(item.url());
1671     }
1672
1673     if (itemsExpandable()) {
1674         // TODO: Check if we still need KDirModel for this in KDE 5.0
1675         urls = KDirModel::simplifiedUrlList(urls);
1676     }
1677
1678     return urls;
1679 }
1680
1681 QMimeData* DolphinView::selectionMimeData() const
1682 {
1683     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1684     const KItemSet selectedIndexes = selectionManager->selectedItems();
1685
1686     return m_model->createMimeData(selectedIndexes);
1687 }
1688
1689 void DolphinView::updateWritableState()
1690 {
1691     const bool wasFolderWritable = m_isFolderWritable;
1692     m_isFolderWritable = false;
1693
1694     KFileItem item = m_model->rootItem();
1695     if (item.isNull()) {
1696         // Try to find out if the URL is writable even if the "root item" is
1697         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1698         item = KFileItem(KFileItem::Unknown, KFileItem::Unknown, url(), true);
1699     }
1700
1701     KFileItemListProperties capabilities(KFileItemList() << item);
1702     m_isFolderWritable = capabilities.supportsWriting();
1703
1704     if (m_isFolderWritable != wasFolderWritable) {
1705         emit writeStateChanged(m_isFolderWritable);
1706     }
1707 }
1708
1709 KUrl DolphinView::viewPropertiesUrl() const
1710 {
1711     if (m_viewPropertiesContext.isEmpty()) {
1712         return m_url;
1713     }
1714
1715     KUrl url;
1716     url.setProtocol(m_url.protocol());
1717     url.setPath(m_viewPropertiesContext);
1718     return url;
1719 }
1720