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 <KMenu>
  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
  85 namespace {
  86     const int MaxModeEnum = DolphinView::CompactView;
  87 };
  88
  89 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  90     QWidget(parent),
  91     m_active(true),
  92     m_tabsForFiles(false),
  93     m_assureVisibleCurrentIndex(false),
  94     m_isFolderWritable(true),
  95     m_dragging(false),
  96     m_url(url),
  97     m_viewPropertiesContext(),
  98     m_mode(DolphinView::IconsView),
  99     m_visibleRoles(),
 100     m_topLayout(0),
 101     m_model(0),
 102     m_view(0),
 103     m_container(0),
 104     m_toolTipManager(0),
 105     m_selectionChangedTimer(0),
 106     m_currentItemUrl(),
 107     m_scrollToCurrentItem(false),
 108     m_restoredContentsPosition(),
 109     m_selectedUrls(),
 110     m_clearSelectionBeforeSelectingNewItems(false),
 111     m_markFirstNewlySelectedItemAsCurrent(false),
 112     m_versionControlObserver(0)
 113 {
 114     m_topLayout = new QVBoxLayout(this);
 115     m_topLayout->setSpacing(0);
 116     m_topLayout->setMargin(0);
 117
 118     // When a new item has been created by the "Create New..." menu, the item should
 119     // get selected and it must be assured that the item will get visible. As the
 120     // creation is done asynchronously, several signals must be checked:
 121     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 122             this, &DolphinView::observeCreatedItem);
 123
 124     m_selectionChangedTimer = new QTimer(this);
 125     m_selectionChangedTimer->setSingleShot(true);
 126     m_selectionChangedTimer->setInterval(300);
 127     connect(m_selectionChangedTimer, &QTimer::timeout,
 128             this, &DolphinView::emitSelectionChangedSignal);
 129
 130     m_model = new KFileItemModel(this);
 131     m_view = new DolphinItemListView();
 132     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 133     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 134     applyModeToView();
 135
 136     KItemListController* controller = new KItemListController(m_model, m_view, this);
 137     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 138     controller->setAutoActivationDelay(delay);
 139
 140     // The EnlargeSmallPreviews setting can only be changed after the model
 141     // has been set in the view by KItemListController.
 142     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 143
 144     m_container = new KItemListContainer(controller, this);
 145     m_container->installEventFilter(this);
 146     setFocusProxy(m_container);
 147     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 148     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 149
 150     controller->setSelectionBehavior(KItemListController::MultiSelection);
 151     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 152     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 153     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 154     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 155     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 156     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 157     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 158     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 159     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 160     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 161     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 162     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 163
 164     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 165     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 166     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 167     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 168     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 169     connect(m_model, &KFileItemModel::itemsChanged,
 170             this, &DolphinView::slotItemsChanged);
 171     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 172     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 173     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 174     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 175     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 176     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 177
 178     m_view->installEventFilter(this);
 179     connect(m_view, &DolphinItemListView::sortOrderChanged,
 180             this, &DolphinView::slotSortOrderChangedByHeader);
 181     connect(m_view, &DolphinItemListView::sortRoleChanged,
 182             this, &DolphinView::slotSortRoleChangedByHeader);
 183     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 184             this, &DolphinView::slotVisibleRolesChangedByHeader);
 185     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 186             this, &DolphinView::slotRoleEditingCanceled);
 187     connect(m_view->header(), &KItemListHeader::columnWidthChanged,
 188             this, &DolphinView::slotHeaderColumnWidthChanged);
 189
 190     KItemListSelectionManager* selectionManager = controller->selectionManager();
 191     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 192             this, &DolphinView::slotSelectionChanged);
 193
 194     m_toolTipManager = new ToolTipManager(this);
 195
 196     m_versionControlObserver = new VersionControlObserver(this);
 197     m_versionControlObserver->setModel(m_model);
 198     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 199     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 200     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 201
 202     applyViewProperties();
 203     m_topLayout->addWidget(m_container);
 204
 205     loadDirectory(url);
 206 }
 207
 208 DolphinView::~DolphinView()
 209 {
 210 }
 211
 212 KUrl DolphinView::url() const
 213 {
 214     return m_url;
 215 }
 216
 217 void DolphinView::setActive(bool active)
 218 {
 219     if (active == m_active) {
 220         return;
 221     }
 222
 223     m_active = active;
 224
 225     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 226     if (!active) {
 227         color.setAlpha(150);
 228     }
 229
 230     QWidget* viewport = m_container->viewport();
 231     if (viewport) {
 232         QPalette palette;
 233         palette.setColor(viewport->backgroundRole(), color);
 234         viewport->setPalette(palette);
 235     }
 236
 237     update();
 238
 239     if (active) {
 240         m_container->setFocus();
 241         emit activated();
 242         emit writeStateChanged(m_isFolderWritable);
 243     }
 244 }
 245
 246 bool DolphinView::isActive() const
 247 {
 248     return m_active;
 249 }
 250
 251 void DolphinView::setMode(Mode mode)
 252 {
 253     if (mode != m_mode) {
 254         ViewProperties props(viewPropertiesUrl());
 255         props.setViewMode(mode);
 256
 257         // We pass the new ViewProperties to applyViewProperties, rather than
 258         // storing them on disk and letting applyViewProperties() read them
 259         // from there, to prevent that changing the view mode fails if the
 260         // .directory file is not writable (see bug 318534).
 261         applyViewProperties(props);
 262     }
 263 }
 264
 265 DolphinView::Mode DolphinView::mode() const
 266 {
 267     return m_mode;
 268 }
 269
 270 void DolphinView::setPreviewsShown(bool show)
 271 {
 272     if (previewsShown() == show) {
 273         return;
 274     }
 275
 276     ViewProperties props(viewPropertiesUrl());
 277     props.setPreviewsShown(show);
 278
 279     const int oldZoomLevel = m_view->zoomLevel();
 280     m_view->setPreviewsShown(show);
 281     emit previewsShownChanged(show);
 282
 283     const int newZoomLevel = m_view->zoomLevel();
 284     if (newZoomLevel != oldZoomLevel) {
 285         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 286     }
 287 }
 288
 289 bool DolphinView::previewsShown() const
 290 {
 291     return m_view->previewsShown();
 292 }
 293
 294 void DolphinView::setHiddenFilesShown(bool show)
 295 {
 296     if (m_model->showHiddenFiles() == show) {
 297         return;
 298     }
 299
 300     const KFileItemList itemList = selectedItems();
 301     m_selectedUrls.clear();
 302     m_selectedUrls = KUrl::List(itemList.urlList());
 303
 304     ViewProperties props(viewPropertiesUrl());
 305     props.setHiddenFilesShown(show);
 306
 307     m_model->setShowHiddenFiles(show);
 308     emit hiddenFilesShownChanged(show);
 309 }
 310
 311 bool DolphinView::hiddenFilesShown() const
 312 {
 313     return m_model->showHiddenFiles();
 314 }
 315
 316 void DolphinView::setGroupedSorting(bool grouped)
 317 {
 318     if (grouped == groupedSorting()) {
 319         return;
 320     }
 321
 322     ViewProperties props(viewPropertiesUrl());
 323     props.setGroupedSorting(grouped);
 324     props.save();
 325
 326     m_container->controller()->model()->setGroupedSorting(grouped);
 327
 328     emit groupedSortingChanged(grouped);
 329 }
 330
 331 bool DolphinView::groupedSorting() const
 332 {
 333     return m_model->groupedSorting();
 334 }
 335
 336 KFileItemList DolphinView::items() const
 337 {
 338     KFileItemList list;
 339     const int itemCount = m_model->count();
 340     list.reserve(itemCount);
 341
 342     for (int i = 0; i < itemCount; ++i) {
 343         list.append(m_model->fileItem(i));
 344     }
 345
 346     return list;
 347 }
 348
 349 int DolphinView::itemsCount() const
 350 {
 351     return m_model->count();
 352 }
 353
 354 KFileItemList DolphinView::selectedItems() const
 355 {
 356     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 357
 358     KFileItemList selectedItems;
 359     foreach (int index, selectionManager->selectedItems()) {
 360         selectedItems.append(m_model->fileItem(index));
 361     }
 362     return selectedItems;
 363 }
 364
 365 int DolphinView::selectedItemsCount() const
 366 {
 367     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 368     return selectionManager->selectedItems().count();
 369 }
 370
 371 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 372 {
 373     m_selectedUrls = urls;
 374 }
 375
 376 void DolphinView::markUrlAsCurrent(const KUrl& url)
 377 {
 378     m_currentItemUrl = url;
 379     m_scrollToCurrentItem = true;
 380 }
 381
 382 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 383 {
 384     const KItemListSelectionManager::SelectionMode mode = enabled
 385                                                         ? KItemListSelectionManager::Select
 386                                                         : KItemListSelectionManager::Deselect;
 387     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 388
 389     for (int index = 0; index < m_model->count(); index++) {
 390         const KFileItem item = m_model->fileItem(index);
 391         if (pattern.exactMatch(item.text())) {
 392             // An alternative approach would be to store the matching items in a KItemSet and
 393             // select them in one go after the loop, but we'd need a new function
 394             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 395             // for that.
 396             selectionManager->setSelected(index, 1, mode);
 397         }
 398     }
 399 }
 400
 401 void DolphinView::setZoomLevel(int level)
 402 {
 403     const int oldZoomLevel = zoomLevel();
 404     m_view->setZoomLevel(level);
 405     if (zoomLevel() != oldZoomLevel) {
 406         hideToolTip();
 407         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 408     }
 409 }
 410
 411 int DolphinView::zoomLevel() const
 412 {
 413     return m_view->zoomLevel();
 414 }
 415
 416 void DolphinView::setSortRole(const QByteArray& role)
 417 {
 418     if (role != sortRole()) {
 419         updateSortRole(role);
 420     }
 421 }
 422
 423 QByteArray DolphinView::sortRole() const
 424 {
 425     const KItemModelBase* model = m_container->controller()->model();
 426     return model->sortRole();
 427 }
 428
 429 void DolphinView::setSortOrder(Qt::SortOrder order)
 430 {
 431     if (sortOrder() != order) {
 432         updateSortOrder(order);
 433     }
 434 }
 435
 436 Qt::SortOrder DolphinView::sortOrder() const
 437 {
 438     return m_model->sortOrder();
 439 }
 440
 441 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 442 {
 443     if (sortFoldersFirst() != foldersFirst) {
 444         updateSortFoldersFirst(foldersFirst);
 445     }
 446 }
 447
 448 bool DolphinView::sortFoldersFirst() const
 449 {
 450     return m_model->sortDirectoriesFirst();
 451 }
 452
 453 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 454 {
 455     const QList<QByteArray> previousRoles = roles;
 456
 457     ViewProperties props(viewPropertiesUrl());
 458     props.setVisibleRoles(roles);
 459
 460     m_visibleRoles = roles;
 461     m_view->setVisibleRoles(roles);
 462
 463     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 464 }
 465
 466 QList<QByteArray> DolphinView::visibleRoles() const
 467 {
 468     return m_visibleRoles;
 469 }
 470
 471 void DolphinView::reload()
 472 {
 473     QByteArray viewState;
 474     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 475     saveState(saveStream);
 476
 477     const KFileItemList itemList = selectedItems();
 478     m_selectedUrls.clear();
 479     m_selectedUrls = KUrl::List(itemList.urlList());
 480
 481     setUrl(url());
 482     loadDirectory(url(), true);
 483
 484     QDataStream restoreStream(viewState);
 485     restoreState(restoreStream);
 486 }
 487
 488 void DolphinView::readSettings()
 489 {
 490     const int oldZoomLevel = m_view->zoomLevel();
 491
 492     GeneralSettings::self()->readConfig();
 493     m_view->readSettings();
 494     applyViewProperties();
 495
 496     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 497     m_container->controller()->setAutoActivationDelay(delay);
 498
 499     const int newZoomLevel = m_view->zoomLevel();
 500     if (newZoomLevel != oldZoomLevel) {
 501         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 502     }
 503 }
 504
 505 void DolphinView::writeSettings()
 506 {
 507     GeneralSettings::self()->writeConfig();
 508     m_view->writeSettings();
 509 }
 510
 511 void DolphinView::setNameFilter(const QString& nameFilter)
 512 {
 513     m_model->setNameFilter(nameFilter);
 514 }
 515
 516 QString DolphinView::nameFilter() const
 517 {
 518     return m_model->nameFilter();
 519 }
 520
 521 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 522 {
 523     return m_model->setMimeTypeFilters(filters);
 524 }
 525
 526 QStringList DolphinView::mimeTypeFilters() const
 527 {
 528     return m_model->mimeTypeFilters();
 529 }
 530
 531 QString DolphinView::statusBarText() const
 532 {
 533     QString summary;
 534     QString foldersText;
 535     QString filesText;
 536
 537     int folderCount = 0;
 538     int fileCount = 0;
 539     KIO::filesize_t totalFileSize = 0;
 540
 541     if (m_container->controller()->selectionManager()->hasSelection()) {
 542         // Give a summary of the status of the selected files
 543         const KFileItemList list = selectedItems();
 544         foreach (const KFileItem& item, list) {
 545             if (item.isDir()) {
 546                 ++folderCount;
 547             } else {
 548                 ++fileCount;
 549                 totalFileSize += item.size();
 550             }
 551         }
 552
 553         if (folderCount + fileCount == 1) {
 554             // If only one item is selected, show info about it
 555             return list.first().getStatusBarInfo();
 556         } else {
 557             // At least 2 items are selected
 558             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 559             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 560         }
 561     } else {
 562         calculateItemCount(fileCount, folderCount, totalFileSize);
 563         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 564         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 565     }
 566
 567     if (fileCount > 0 && folderCount > 0) {
 568         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 569                         foldersText, filesText,
 570                         KGlobal::locale()->formatByteSize(totalFileSize));
 571     } else if (fileCount > 0) {
 572         summary = i18nc("@info:status files (size)", "%1 (%2)",
 573                         filesText,
 574                         KGlobal::locale()->formatByteSize(totalFileSize));
 575     } else if (folderCount > 0) {
 576         summary = foldersText;
 577     } else {
 578         summary = i18nc("@info:status", "0 Folders, 0 Files");
 579     }
 580
 581     return summary;
 582 }
 583
 584 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 585 {
 586     QList<QAction*> actions;
 587
 588     if (items.isEmpty()) {
 589         const KFileItem item = m_model->rootItem();
 590         if (!item.isNull()) {
 591             actions = m_versionControlObserver->actions(KFileItemList() << item);
 592         }
 593     } else {
 594         actions = m_versionControlObserver->actions(items);
 595     }
 596
 597     return actions;
 598 }
 599
 600 void DolphinView::setUrl(const KUrl& url)
 601 {
 602     if (url == m_url) {
 603         return;
 604     }
 605
 606     clearSelection();
 607
 608     emit urlAboutToBeChanged(url);
 609     m_url = url;
 610
 611     hideToolTip();
 612
 613     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 614                this, &DolphinView::slotRoleEditingFinished);
 615
 616     // It is important to clear the items from the model before
 617     // applying the view properties, otherwise expensive operations
 618     // might be done on the existing items although they get cleared
 619     // anyhow afterwards by loadDirectory().
 620     m_model->clear();
 621     applyViewProperties();
 622     loadDirectory(url);
 623
 624     emit urlChanged(url);
 625 }
 626
 627 void DolphinView::selectAll()
 628 {
 629     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 630     selectionManager->setSelected(0, m_model->count());
 631 }
 632
 633 void DolphinView::invertSelection()
 634 {
 635     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 636     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 637 }
 638
 639 void DolphinView::clearSelection()
 640 {
 641     m_selectedUrls.clear();
 642     m_container->controller()->selectionManager()->clearSelection();
 643 }
 644
 645 void DolphinView::renameSelectedItems()
 646 {
 647     const KFileItemList items = selectedItems();
 648     if (items.isEmpty()) {
 649         return;
 650     }
 651
 652     if (items.count() == 1 && GeneralSettings::renameInline()) {
 653         const int index = m_model->index(items.first());
 654         m_view->editRole(index, "text");
 655
 656         hideToolTip();
 657
 658         connect(m_view, &DolphinItemListView::roleEditingFinished,
 659                 this, &DolphinView::slotRoleEditingFinished);
 660     } else {
 661         RenameDialog* dialog = new RenameDialog(this, items);
 662         dialog->setAttribute(Qt::WA_DeleteOnClose);
 663         dialog->show();
 664         dialog->raise();
 665         dialog->activateWindow();
 666     }
 667
 668     // Assure that the current index remains visible when KFileItemModel
 669     // will notify the view about changed items (which might result in
 670     // a changed sorting).
 671     m_assureVisibleCurrentIndex = true;
 672 }
 673
 674 void DolphinView::trashSelectedItems()
 675 {
 676     const KUrl::List list = simplifiedSelectedUrls();
 677     KIO::JobUiDelegate uiDelegate;
 678     uiDelegate.setWindow(window());
 679     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 680         KIO::Job* job = KIO::trash(list);
 681         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, KUrl("trash:/"), job);
 682         KJobWidgets::setWindow(job, this);
 683         connect(job, &KIO::Job::result,
 684                 this, &DolphinView::slotTrashFileFinished);
 685     }
 686 }
 687
 688 void DolphinView::deleteSelectedItems()
 689 {
 690     const KUrl::List list = simplifiedSelectedUrls();
 691
 692     KIO::JobUiDelegate uiDelegate;
 693     uiDelegate.setWindow(window());
 694     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 695         KIO::Job* job = KIO::del(list);
 696         KJobWidgets::setWindow(job, this);
 697         connect(job, &KIO::Job::result,
 698                 this, &DolphinView::slotDeleteFileFinished);
 699     }
 700 }
 701
 702 void DolphinView::cutSelectedItems()
 703 {
 704     QMimeData* mimeData = selectionMimeData();
 705     KIO::setClipboardDataCut(mimeData, true);
 706     QApplication::clipboard()->setMimeData(mimeData);
 707 }
 708
 709 void DolphinView::copySelectedItems()
 710 {
 711     QMimeData* mimeData = selectionMimeData();
 712     QApplication::clipboard()->setMimeData(mimeData);
 713 }
 714
 715 void DolphinView::paste()
 716 {
 717     pasteToUrl(url());
 718 }
 719
 720 void DolphinView::pasteIntoFolder()
 721 {
 722     const KFileItemList items = selectedItems();
 723     if ((items.count() == 1) && items.first().isDir()) {
 724         pasteToUrl(items.first().url());
 725     }
 726 }
 727
 728 void DolphinView::stopLoading()
 729 {
 730     m_model->cancelDirectoryLoading();
 731 }
 732
 733 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 734 {
 735     switch (event->type()) {
 736     case QEvent::FocusIn:
 737         if (watched == m_container) {
 738             setActive(true);
 739         }
 740         break;
 741
 742     case QEvent::GraphicsSceneDragEnter:
 743         if (watched == m_view) {
 744             m_dragging = true;
 745         }
 746         break;
 747
 748     case QEvent::GraphicsSceneDragLeave:
 749         if (watched == m_view) {
 750             m_dragging = false;
 751         }
 752         break;
 753
 754     case QEvent::GraphicsSceneDrop:
 755         if (watched == m_view) {
 756             m_dragging = false;
 757         }
 758     default:
 759         break;
 760     }
 761
 762     return QWidget::eventFilter(watched, event);
 763 }
 764
 765 void DolphinView::wheelEvent(QWheelEvent* event)
 766 {
 767     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 768         const int numDegrees = event->delta() / 8;
 769         const int numSteps = numDegrees / 15;
 770
 771         setZoomLevel(zoomLevel() + numSteps);
 772         event->accept();
 773     } else {
 774         event->ignore();
 775     }
 776 }
 777
 778 void DolphinView::hideEvent(QHideEvent* event)
 779 {
 780     hideToolTip();
 781     QWidget::hideEvent(event);
 782 }
 783
 784 bool DolphinView::event(QEvent* event)
 785 {
 786     /* See Bug 297355
 787      * Dolphin leaves file preview tooltips open even when is not visible.
 788      *
 789      * Hide tool-tip when Dolphin loses focus.
 790      */
 791     if (event->type() == QEvent::WindowDeactivate) {
 792         hideToolTip();
 793     }
 794
 795     return QWidget::event(event);
 796 }
 797
 798 void DolphinView::activate()
 799 {
 800     setActive(true);
 801 }
 802
 803 void DolphinView::slotItemActivated(int index)
 804 {
 805     const KFileItem item = m_model->fileItem(index);
 806     if (!item.isNull()) {
 807         emit itemActivated(item);
 808     }
 809 }
 810
 811 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 812 {
 813     Q_ASSERT(indexes.count() >= 2);
 814
 815     if (indexes.count() > 5) {
 816         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 817         const int answer = KMessageBox::warningYesNo(this, question);
 818         if (answer != KMessageBox::Yes) {
 819             return;
 820         }
 821     }
 822
 823     KFileItemList items;
 824     items.reserve(indexes.count());
 825
 826     foreach (int index, indexes) {
 827         KFileItem item = m_model->fileItem(index);
 828         const KUrl& url = openItemAsFolderUrl(item);
 829
 830         if (!url.isEmpty()) { // Open folders in new tabs
 831             emit tabRequested(url);
 832         } else {
 833             items.append(item);
 834         }
 835     }
 836
 837     if (items.count() == 1) {
 838         emit itemActivated(items.first());
 839     } else if (items.count() > 1) {
 840         emit itemsActivated(items);
 841     }
 842 }
 843
 844 void DolphinView::slotItemMiddleClicked(int index)
 845 {
 846     const KFileItem& item = m_model->fileItem(index);
 847     const KUrl& url = openItemAsFolderUrl(item);
 848     if (!url.isEmpty()) {
 849         emit tabRequested(url);
 850     } else if (isTabsForFilesEnabled()) {
 851         emit tabRequested(item.url());
 852     }
 853 }
 854
 855 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 856 {
 857     // Force emit of a selection changed signal before we request the
 858     // context menu, to update the edit-actions first. (See Bug 294013)
 859     if (m_selectionChangedTimer->isActive()) {
 860         emitSelectionChangedSignal();
 861     }
 862
 863     const KFileItem item = m_model->fileItem(index);
 864     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 865 }
 866
 867 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 868 {
 869     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 870 }
 871
 872 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 873 {
 874     ViewProperties props(viewPropertiesUrl());
 875
 876     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 877
 878     KItemListView* view = m_container->controller()->view();
 879     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 880
 881     bool indexingEnabled = false;
 882 #ifdef HAVE_BALOO
 883     Baloo::IndexerConfig config;
 884     indexingEnabled = config.fileIndexingEnabled();
 885 #endif
 886
 887     QString groupName;
 888     QMenu* groupMenu = 0;
 889
 890     // Add all roles to the menu that can be shown or hidden by the user
 891     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 892     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 893         if (info.role == "text") {
 894             // It should not be possible to hide the "text" role
 895             continue;
 896         }
 897
 898         const QString text = m_model->roleDescription(info.role);
 899         QAction* action = 0;
 900         if (info.group.isEmpty()) {
 901             action = menu->addAction(text);
 902         } else {
 903             if (!groupMenu || info.group != groupName) {
 904                 groupName = info.group;
 905                 groupMenu = menu->addMenu(groupName);
 906             }
 907
 908             action = groupMenu->addAction(text);
 909         }
 910
 911         action->setCheckable(true);
 912         action->setChecked(visibleRolesSet.contains(info.role));
 913         action->setData(info.role);
 914
 915         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 916                             (info.requiresBaloo) ||
 917                             (info.requiresIndexer && indexingEnabled);
 918         action->setEnabled(enable);
 919     }
 920
 921     menu->addSeparator();
 922
 923     QActionGroup* widthsGroup = new QActionGroup(menu);
 924     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 925
 926     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 927     autoAdjustWidthsAction->setCheckable(true);
 928     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 929     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 930
 931     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 932     customWidthsAction->setCheckable(true);
 933     customWidthsAction->setChecked(!autoColumnWidths);
 934     customWidthsAction->setActionGroup(widthsGroup);
 935
 936     QAction* action = menu->exec(pos.toPoint());
 937     if (menu && action) {
 938         KItemListHeader* header = view->header();
 939
 940         if (action == autoAdjustWidthsAction) {
 941             // Clear the column-widths from the viewproperties and turn on
 942             // the automatic resizing of the columns
 943             props.setHeaderColumnWidths(QList<int>());
 944             header->setAutomaticColumnResizing(true);
 945         } else if (action == customWidthsAction) {
 946             // Apply the current column-widths as custom column-widths and turn
 947             // off the automatic resizing of the columns
 948             QList<int> columnWidths;
 949             foreach (const QByteArray& role, view->visibleRoles()) {
 950                 columnWidths.append(header->columnWidth(role));
 951             }
 952             props.setHeaderColumnWidths(columnWidths);
 953             header->setAutomaticColumnResizing(false);
 954         } else {
 955             // Show or hide the selected role
 956             const QByteArray selectedRole = action->data().toByteArray();
 957
 958             QList<QByteArray> visibleRoles = view->visibleRoles();
 959             if (action->isChecked()) {
 960                 visibleRoles.append(selectedRole);
 961             } else {
 962                 visibleRoles.removeOne(selectedRole);
 963             }
 964
 965             view->setVisibleRoles(visibleRoles);
 966             props.setVisibleRoles(visibleRoles);
 967
 968             QList<int> columnWidths;
 969             if (!header->automaticColumnResizing()) {
 970                 foreach (const QByteArray& role, view->visibleRoles()) {
 971                     columnWidths.append(header->columnWidth(role));
 972                 }
 973             }
 974             props.setHeaderColumnWidths(columnWidths);
 975         }
 976     }
 977
 978     delete menu;
 979 }
 980
 981 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 982 {
 983     Q_UNUSED(previous);
 984
 985     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 986
 987     ViewProperties props(viewPropertiesUrl());
 988     QList<int> columnWidths = props.headerColumnWidths();
 989     if (columnWidths.count() != visibleRoles.count()) {
 990         columnWidths.clear();
 991         columnWidths.reserve(visibleRoles.count());
 992         const KItemListHeader* header = m_view->header();
 993         foreach (const QByteArray& role, visibleRoles) {
 994             const int width = header->columnWidth(role);
 995             columnWidths.append(width);
 996         }
 997     }
 998
 999     const int roleIndex = visibleRoles.indexOf(role);
1000     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1001     columnWidths[roleIndex] = current;
1002
1003     props.setHeaderColumnWidths(columnWidths);
1004 }
1005
1006 void DolphinView::slotItemHovered(int index)
1007 {
1008     const KFileItem item = m_model->fileItem(index);
1009
1010     if (GeneralSettings::showToolTips() && !m_dragging) {
1011         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1012         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1013         itemRect.moveTo(pos);
1014
1015         m_toolTipManager->showToolTip(item, itemRect);
1016     }
1017
1018     emit requestItemInfo(item);
1019 }
1020
1021 void DolphinView::slotItemUnhovered(int index)
1022 {
1023     Q_UNUSED(index);
1024     hideToolTip();
1025     emit requestItemInfo(KFileItem());
1026 }
1027
1028 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1029 {
1030     KUrl destUrl;
1031     KFileItem destItem = m_model->fileItem(index);
1032     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1033         // Use the URL of the view as drop target if the item is no directory
1034         // or desktop-file
1035         destItem = m_model->rootItem();
1036         destUrl = url();
1037     } else {
1038         // The item represents a directory or desktop-file
1039         destUrl = destItem.url();
1040     }
1041
1042     QDropEvent dropEvent(event->pos().toPoint(),
1043                          event->possibleActions(),
1044                          event->mimeData(),
1045                          event->buttons(),
1046                          event->modifiers());
1047
1048     QString error;
1049     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1050     if (!error.isEmpty()) {
1051         emit infoMessage(error);
1052     }
1053
1054     if (op && destUrl == url()) {
1055         // Mark the dropped urls as selected.
1056         m_clearSelectionBeforeSelectingNewItems = true;
1057         m_markFirstNewlySelectedItemAsCurrent = true;
1058         connect(op, static_cast<void(KonqOperations::*)(const KUrl::List&)>(&KonqOperations::aboutToCreate), this, &DolphinView::slotAboutToCreate);
1059     }
1060
1061     setActive(true);
1062 }
1063
1064 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1065 {
1066     if (previous != 0) {
1067         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1068         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1069         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1070         m_versionControlObserver->setModel(0);
1071     }
1072
1073     if (current) {
1074         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1075         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1076         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1077         m_versionControlObserver->setModel(fileItemModel);
1078     }
1079 }
1080
1081 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1082 {
1083     Q_UNUSED(itemIndex);
1084
1085     hideToolTip();
1086
1087     // TODO: Qt5: Replace Qt::XButton1 by Qt::BackButton and Qt::XButton2 by Qt::ForwardButton
1088     if (buttons & Qt::XButton1) {
1089         emit goBackRequested();
1090     } else if (buttons & Qt::XButton2) {
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::slotRenamingFailed(const KUrl& oldUrl, const KUrl& newUrl)
1394 {
1395     const int index = m_model->index(newUrl);
1396     if (index >= 0) {
1397         QHash<QByteArray, QVariant> data;
1398         data.insert("text", oldUrl.fileName());
1399         m_model->setData(index, data);
1400     }
1401 }
1402
1403 void DolphinView::slotDirectoryLoadingStarted()
1404 {
1405     // Disable the writestate temporary until it can be determined in a fast way
1406     // in DolphinView::slotLoadingCompleted()
1407     if (m_isFolderWritable) {
1408         m_isFolderWritable = false;
1409         emit writeStateChanged(m_isFolderWritable);
1410     }
1411
1412     emit directoryLoadingStarted();
1413 }
1414
1415 void DolphinView::slotDirectoryLoadingCompleted()
1416 {
1417     // Update the view-state. This has to be done asynchronously
1418     // because the view might not be in its final state yet.
1419     QTimer::singleShot(0, this, SLOT(updateViewState()));
1420
1421     emit directoryLoadingCompleted();
1422
1423     updateWritableState();
1424 }
1425
1426 void DolphinView::slotItemsChanged()
1427 {
1428     m_assureVisibleCurrentIndex = false;
1429 }
1430
1431 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1432 {
1433     Q_UNUSED(previous);
1434     Q_ASSERT(m_model->sortOrder() == current);
1435
1436     ViewProperties props(viewPropertiesUrl());
1437     props.setSortOrder(current);
1438
1439     emit sortOrderChanged(current);
1440 }
1441
1442 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1443 {
1444     Q_UNUSED(previous);
1445     Q_ASSERT(m_model->sortRole() == current);
1446
1447     ViewProperties props(viewPropertiesUrl());
1448     props.setSortRole(current);
1449
1450     emit sortRoleChanged(current);
1451 }
1452
1453 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1454                                                   const QList<QByteArray>& previous)
1455 {
1456     Q_UNUSED(previous);
1457     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1458
1459     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1460
1461     m_visibleRoles = current;
1462
1463     ViewProperties props(viewPropertiesUrl());
1464     props.setVisibleRoles(m_visibleRoles);
1465
1466     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1467 }
1468
1469 void DolphinView::slotRoleEditingCanceled()
1470 {
1471     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1472                this, &DolphinView::slotRoleEditingFinished);
1473 }
1474
1475 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1476 {
1477     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1478                this, &DolphinView::slotRoleEditingFinished);
1479
1480     if (index < 0 || index >= m_model->count()) {
1481         return;
1482     }
1483
1484     if (role == "text") {
1485         const KFileItem oldItem = m_model->fileItem(index);
1486         const QString newName = value.toString();
1487         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1488             const KUrl oldUrl = oldItem.url();
1489
1490             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1491             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1492             if (!newNameExistsAlready) {
1493                 // Only change the data in the model if no item with the new name
1494                 // is in the model yet. If there is an item with the new name
1495                 // already, calling KonqOperations::rename() will open a dialog
1496                 // asking for a new name, and KFileItemModel will update the
1497                 // data when the dir lister signals that the file name has changed.
1498                 QHash<QByteArray, QVariant> data;
1499                 data.insert(role, value);
1500                 m_model->setData(index, data);
1501             }
1502
1503             KonqOperations* op = KonqOperations::renameV2(this, oldUrl, newName);
1504             if (op && !newNameExistsAlready) {
1505                 // Only connect the renamingFailed signal if there is no item with the new name
1506                 // in the model yet, see bug 328262.
1507                 connect(op, &KonqOperations::renamingFailed, this, &DolphinView::slotRenamingFailed);
1508             }
1509         }
1510     }
1511 }
1512
1513 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1514 {
1515     if (!url.isValid()) {
1516         const QString location(url.pathOrUrl());
1517         if (location.isEmpty()) {
1518             emit errorMessage(i18nc("@info:status", "The location is empty."));
1519         } else {
1520             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1521         }
1522         return;
1523     }
1524
1525     if (reload) {
1526         m_model->refreshDirectory(url);
1527     } else {
1528         m_model->loadDirectory(url);
1529     }
1530 }
1531
1532 void DolphinView::applyViewProperties()
1533 {
1534     const ViewProperties props(viewPropertiesUrl());
1535     applyViewProperties(props);
1536 }
1537
1538 void DolphinView::applyViewProperties(const ViewProperties& props)
1539 {
1540     m_view->beginTransaction();
1541
1542     const Mode mode = props.viewMode();
1543     if (m_mode != mode) {
1544         const Mode previousMode = m_mode;
1545         m_mode = mode;
1546
1547         // Changing the mode might result in changing
1548         // the zoom level. Remember the old zoom level so
1549         // that zoomLevelChanged() can get emitted.
1550         const int oldZoomLevel = m_view->zoomLevel();
1551         applyModeToView();
1552
1553         emit modeChanged(m_mode, previousMode);
1554
1555         if (m_view->zoomLevel() != oldZoomLevel) {
1556             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1557         }
1558     }
1559
1560     const bool hiddenFilesShown = props.hiddenFilesShown();
1561     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1562         m_model->setShowHiddenFiles(hiddenFilesShown);
1563         emit hiddenFilesShownChanged(hiddenFilesShown);
1564     }
1565
1566     const bool groupedSorting = props.groupedSorting();
1567     if (groupedSorting != m_model->groupedSorting()) {
1568         m_model->setGroupedSorting(groupedSorting);
1569         emit groupedSortingChanged(groupedSorting);
1570     }
1571
1572     const QByteArray sortRole = props.sortRole();
1573     if (sortRole != m_model->sortRole()) {
1574         m_model->setSortRole(sortRole);
1575         emit sortRoleChanged(sortRole);
1576     }
1577
1578     const Qt::SortOrder sortOrder = props.sortOrder();
1579     if (sortOrder != m_model->sortOrder()) {
1580         m_model->setSortOrder(sortOrder);
1581         emit sortOrderChanged(sortOrder);
1582     }
1583
1584     const bool sortFoldersFirst = props.sortFoldersFirst();
1585     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1586         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1587         emit sortFoldersFirstChanged(sortFoldersFirst);
1588     }
1589
1590     const QList<QByteArray> visibleRoles = props.visibleRoles();
1591     if (visibleRoles != m_visibleRoles) {
1592         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1593         m_visibleRoles = visibleRoles;
1594         m_view->setVisibleRoles(visibleRoles);
1595         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1596     }
1597
1598     const bool previewsShown = props.previewsShown();
1599     if (previewsShown != m_view->previewsShown()) {
1600         const int oldZoomLevel = zoomLevel();
1601
1602         m_view->setPreviewsShown(previewsShown);
1603         emit previewsShownChanged(previewsShown);
1604
1605         // Changing the preview-state might result in a changed zoom-level
1606         if (oldZoomLevel != zoomLevel()) {
1607             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1608         }
1609     }
1610
1611     KItemListView* itemListView = m_container->controller()->view();
1612     if (itemListView->isHeaderVisible()) {
1613         KItemListHeader* header = itemListView->header();
1614         const QList<int> headerColumnWidths = props.headerColumnWidths();
1615         const int rolesCount = m_visibleRoles.count();
1616         if (headerColumnWidths.count() == rolesCount) {
1617             header->setAutomaticColumnResizing(false);
1618
1619             QHash<QByteArray, qreal> columnWidths;
1620             for (int i = 0; i < rolesCount; ++i) {
1621                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1622             }
1623             header->setColumnWidths(columnWidths);
1624         } else {
1625             header->setAutomaticColumnResizing(true);
1626         }
1627     }
1628
1629     m_view->endTransaction();
1630 }
1631
1632 void DolphinView::applyModeToView()
1633 {
1634     switch (m_mode) {
1635     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1636     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1637     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1638     default: Q_ASSERT(false); break;
1639     }
1640 }
1641
1642 void DolphinView::pasteToUrl(const KUrl& url)
1643 {
1644     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1645     if (op) {
1646         m_clearSelectionBeforeSelectingNewItems = true;
1647         m_markFirstNewlySelectedItemAsCurrent = true;
1648         connect(op, static_cast<void(KonqOperations::*)(const KUrl::List&)>(&KonqOperations::aboutToCreate), this, &DolphinView::slotAboutToCreate);
1649     }
1650 }
1651
1652 KUrl::List DolphinView::simplifiedSelectedUrls() const
1653 {
1654     KUrl::List urls;
1655
1656     const KFileItemList items = selectedItems();
1657     foreach (const KFileItem& item, items) {
1658         urls.append(item.url());
1659     }
1660
1661     if (itemsExpandable()) {
1662         // TODO: Check if we still need KDirModel for this in KDE 5.0
1663         urls = KDirModel::simplifiedUrlList(urls);
1664     }
1665
1666     return urls;
1667 }
1668
1669 QMimeData* DolphinView::selectionMimeData() const
1670 {
1671     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1672     const KItemSet selectedIndexes = selectionManager->selectedItems();
1673
1674     return m_model->createMimeData(selectedIndexes);
1675 }
1676
1677 void DolphinView::updateWritableState()
1678 {
1679     const bool wasFolderWritable = m_isFolderWritable;
1680     m_isFolderWritable = false;
1681
1682     KFileItem item = m_model->rootItem();
1683     if (item.isNull()) {
1684         // Try to find out if the URL is writable even if the "root item" is
1685         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1686         item = KFileItem(KFileItem::Unknown, KFileItem::Unknown, url(), true);
1687     }
1688
1689     KFileItemListProperties capabilities(KFileItemList() << item);
1690     m_isFolderWritable = capabilities.supportsWriting();
1691
1692     if (m_isFolderWritable != wasFolderWritable) {
1693         emit writeStateChanged(m_isFolderWritable);
1694     }
1695 }
1696
1697 KUrl DolphinView::viewPropertiesUrl() const
1698 {
1699     if (m_viewPropertiesContext.isEmpty()) {
1700         return m_url;
1701     }
1702
1703     KUrl url;
1704     url.setProtocol(m_url.protocol());
1705     url.setPath(m_viewPropertiesContext);
1706     return url;
1707 }
1708