src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <config-baloo.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QClipboard>
  28 #include <QDropEvent>
  29 #include <QGraphicsSceneDragDropEvent>
  30 #include <QTimer>
  31 #include <QScrollBar>
  32 #include <QPixmapCache>
  33 #include <QPointer>
  34 #include <QMenu>
  35 #include <QVBoxLayout>
  36 #include <KDesktopFile>
  37 #include <KProtocolManager>
  38 #include <KColorScheme>
  39 #include <KDirModel>
  40 #include <KFileItem>
  41 #include <KFileItemListProperties>
  42 #include <KLocalizedString>
  43 #include <kitemviews/kfileitemmodel.h>
  44 #include <kitemviews/kfileitemlistview.h>
  45 #include <kitemviews/kitemlistcontainer.h>
  46 #include <kitemviews/kitemlistheader.h>
  47 #include <kitemviews/kitemlistselectionmanager.h>
  48 #include <kitemviews/kitemlistview.h>
  49 #include <kitemviews/kitemlistcontroller.h>
  50 #include <KIO/CopyJob>
  51 #include <KIO/DeleteJob>
  52 #include <KIO/JobUiDelegate>
  53 #include <KIO/PreviewJob>
  54 #include <KIO/DropJob>
  55 #include <KIO/PasteJob>
  56 #include <KIO/Paste>
  57 #include <KJob>
  58 #include <KMessageBox>
  59 #include <KJobWidgets>
  60 #include <QUrl>
  61
  62 #include "dolphinnewfilemenuobserver.h"
  63 #include "dolphin_detailsmodesettings.h"
  64 #include "dolphin_generalsettings.h"
  65 #include "dolphinitemlistview.h"
  66 #include "draganddrophelper.h"
  67 #include "renamedialog.h"
  68 #include "versioncontrol/versioncontrolobserver.h"
  69 #include "viewmodecontroller.h"
  70 #include "viewproperties.h"
  71 #include "views/tooltips/tooltipmanager.h"
  72 #include "zoomlevelinfo.h"
  73
  74 #ifdef HAVE_BALOO
  75     #include <Baloo/IndexerConfig>
  76 #endif
  77 #include <KFormat>
  78
  79 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  80     QWidget(parent),
  81     m_active(true),
  82     m_tabsForFiles(false),
  83     m_assureVisibleCurrentIndex(false),
  84     m_isFolderWritable(true),
  85     m_dragging(false),
  86     m_url(url),
  87     m_viewPropertiesContext(),
  88     m_mode(DolphinView::IconsView),
  89     m_visibleRoles(),
  90     m_topLayout(0),
  91     m_model(0),
  92     m_view(0),
  93     m_container(0),
  94     m_toolTipManager(0),
  95     m_selectionChangedTimer(0),
  96     m_currentItemUrl(),
  97     m_scrollToCurrentItem(false),
  98     m_restoredContentsPosition(),
  99     m_selectedUrls(),
 100     m_clearSelectionBeforeSelectingNewItems(false),
 101     m_markFirstNewlySelectedItemAsCurrent(false),
 102     m_versionControlObserver(0)
 103 {
 104     m_topLayout = new QVBoxLayout(this);
 105     m_topLayout->setSpacing(0);
 106     m_topLayout->setMargin(0);
 107
 108     // When a new item has been created by the "Create New..." menu, the item should
 109     // get selected and it must be assured that the item will get visible. As the
 110     // creation is done asynchronously, several signals must be checked:
 111     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 112             this, &DolphinView::observeCreatedItem);
 113
 114     m_selectionChangedTimer = new QTimer(this);
 115     m_selectionChangedTimer->setSingleShot(true);
 116     m_selectionChangedTimer->setInterval(300);
 117     connect(m_selectionChangedTimer, &QTimer::timeout,
 118             this, &DolphinView::emitSelectionChangedSignal);
 119
 120     m_model = new KFileItemModel(this);
 121     m_view = new DolphinItemListView();
 122     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 123     m_view->setVisibleRoles({"text"});
 124     applyModeToView();
 125
 126     KItemListController* controller = new KItemListController(m_model, m_view, this);
 127     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 128     controller->setAutoActivationDelay(delay);
 129
 130     // The EnlargeSmallPreviews setting can only be changed after the model
 131     // has been set in the view by KItemListController.
 132     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 133
 134     m_container = new KItemListContainer(controller, this);
 135     m_container->installEventFilter(this);
 136     setFocusProxy(m_container);
 137     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 138     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 139
 140     controller->setSelectionBehavior(KItemListController::MultiSelection);
 141     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 142     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 143     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 144     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 145     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 146     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 147     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 148     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 149     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 150     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 151     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 152     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 153
 154     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 155     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 156     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 157     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 158     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 159     connect(m_model, &KFileItemModel::itemsChanged,
 160             this, &DolphinView::slotItemsChanged);
 161     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 162     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 163     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 164     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 165     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 166     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 167
 168     m_view->installEventFilter(this);
 169     connect(m_view, &DolphinItemListView::sortOrderChanged,
 170             this, &DolphinView::slotSortOrderChangedByHeader);
 171     connect(m_view, &DolphinItemListView::sortRoleChanged,
 172             this, &DolphinView::slotSortRoleChangedByHeader);
 173     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 174             this, &DolphinView::slotVisibleRolesChangedByHeader);
 175     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 176             this, &DolphinView::slotRoleEditingCanceled);
 177     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 178             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 179
 180     KItemListSelectionManager* selectionManager = controller->selectionManager();
 181     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 182             this, &DolphinView::slotSelectionChanged);
 183
 184     m_toolTipManager = new ToolTipManager(this);
 185
 186     m_versionControlObserver = new VersionControlObserver(this);
 187     m_versionControlObserver->setModel(m_model);
 188     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 189     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 190     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 191
 192     applyViewProperties();
 193     m_topLayout->addWidget(m_container);
 194
 195     loadDirectory(url);
 196 }
 197
 198 DolphinView::~DolphinView()
 199 {
 200 }
 201
 202 QUrl DolphinView::url() const
 203 {
 204     return m_url;
 205 }
 206
 207 void DolphinView::setActive(bool active)
 208 {
 209     if (active == m_active) {
 210         return;
 211     }
 212
 213     m_active = active;
 214
 215     updatePalette();
 216
 217     if (active) {
 218         m_container->setFocus();
 219         emit activated();
 220         emit writeStateChanged(m_isFolderWritable);
 221     }
 222 }
 223
 224 bool DolphinView::isActive() const
 225 {
 226     return m_active;
 227 }
 228
 229 void DolphinView::setMode(Mode mode)
 230 {
 231     if (mode != m_mode) {
 232         ViewProperties props(viewPropertiesUrl());
 233         props.setViewMode(mode);
 234
 235         // We pass the new ViewProperties to applyViewProperties, rather than
 236         // storing them on disk and letting applyViewProperties() read them
 237         // from there, to prevent that changing the view mode fails if the
 238         // .directory file is not writable (see bug 318534).
 239         applyViewProperties(props);
 240     }
 241 }
 242
 243 DolphinView::Mode DolphinView::mode() const
 244 {
 245     return m_mode;
 246 }
 247
 248 void DolphinView::setPreviewsShown(bool show)
 249 {
 250     if (previewsShown() == show) {
 251         return;
 252     }
 253
 254     ViewProperties props(viewPropertiesUrl());
 255     props.setPreviewsShown(show);
 256
 257     const int oldZoomLevel = m_view->zoomLevel();
 258     m_view->setPreviewsShown(show);
 259     emit previewsShownChanged(show);
 260
 261     const int newZoomLevel = m_view->zoomLevel();
 262     if (newZoomLevel != oldZoomLevel) {
 263         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 264     }
 265 }
 266
 267 bool DolphinView::previewsShown() const
 268 {
 269     return m_view->previewsShown();
 270 }
 271
 272 void DolphinView::setHiddenFilesShown(bool show)
 273 {
 274     if (m_model->showHiddenFiles() == show) {
 275         return;
 276     }
 277
 278     const KFileItemList itemList = selectedItems();
 279     m_selectedUrls.clear();
 280     m_selectedUrls = itemList.urlList();
 281
 282     ViewProperties props(viewPropertiesUrl());
 283     props.setHiddenFilesShown(show);
 284
 285     m_model->setShowHiddenFiles(show);
 286     emit hiddenFilesShownChanged(show);
 287 }
 288
 289 bool DolphinView::hiddenFilesShown() const
 290 {
 291     return m_model->showHiddenFiles();
 292 }
 293
 294 void DolphinView::setGroupedSorting(bool grouped)
 295 {
 296     if (grouped == groupedSorting()) {
 297         return;
 298     }
 299
 300     ViewProperties props(viewPropertiesUrl());
 301     props.setGroupedSorting(grouped);
 302     props.save();
 303
 304     m_container->controller()->model()->setGroupedSorting(grouped);
 305
 306     emit groupedSortingChanged(grouped);
 307 }
 308
 309 bool DolphinView::groupedSorting() const
 310 {
 311     return m_model->groupedSorting();
 312 }
 313
 314 KFileItemList DolphinView::items() const
 315 {
 316     KFileItemList list;
 317     const int itemCount = m_model->count();
 318     list.reserve(itemCount);
 319
 320     for (int i = 0; i < itemCount; ++i) {
 321         list.append(m_model->fileItem(i));
 322     }
 323
 324     return list;
 325 }
 326
 327 int DolphinView::itemsCount() const
 328 {
 329     return m_model->count();
 330 }
 331
 332 KFileItemList DolphinView::selectedItems() const
 333 {
 334     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 335
 336     KFileItemList selectedItems;
 337     const auto items = selectionManager->selectedItems();
 338     selectedItems.reserve(items.count());
 339     for (int index : items) {
 340         selectedItems.append(m_model->fileItem(index));
 341     }
 342     return selectedItems;
 343 }
 344
 345 int DolphinView::selectedItemsCount() const
 346 {
 347     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 348     return selectionManager->selectedItems().count();
 349 }
 350
 351 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 352 {
 353     m_selectedUrls = urls;
 354 }
 355
 356 void DolphinView::markUrlAsCurrent(const QUrl &url)
 357 {
 358     m_currentItemUrl = url;
 359     m_scrollToCurrentItem = true;
 360 }
 361
 362 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 363 {
 364     const KItemListSelectionManager::SelectionMode mode = enabled
 365                                                         ? KItemListSelectionManager::Select
 366                                                         : KItemListSelectionManager::Deselect;
 367     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 368
 369     for (int index = 0; index < m_model->count(); index++) {
 370         const KFileItem item = m_model->fileItem(index);
 371         if (pattern.exactMatch(item.text())) {
 372             // An alternative approach would be to store the matching items in a KItemSet and
 373             // select them in one go after the loop, but we'd need a new function
 374             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 375             // for that.
 376             selectionManager->setSelected(index, 1, mode);
 377         }
 378     }
 379 }
 380
 381 void DolphinView::setZoomLevel(int level)
 382 {
 383     const int oldZoomLevel = zoomLevel();
 384     m_view->setZoomLevel(level);
 385     if (zoomLevel() != oldZoomLevel) {
 386         hideToolTip();
 387         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 388     }
 389 }
 390
 391 int DolphinView::zoomLevel() const
 392 {
 393     return m_view->zoomLevel();
 394 }
 395
 396 void DolphinView::setSortRole(const QByteArray& role)
 397 {
 398     if (role != sortRole()) {
 399         updateSortRole(role);
 400     }
 401 }
 402
 403 QByteArray DolphinView::sortRole() const
 404 {
 405     const KItemModelBase* model = m_container->controller()->model();
 406     return model->sortRole();
 407 }
 408
 409 void DolphinView::setSortOrder(Qt::SortOrder order)
 410 {
 411     if (sortOrder() != order) {
 412         updateSortOrder(order);
 413     }
 414 }
 415
 416 Qt::SortOrder DolphinView::sortOrder() const
 417 {
 418     return m_model->sortOrder();
 419 }
 420
 421 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 422 {
 423     if (sortFoldersFirst() != foldersFirst) {
 424         updateSortFoldersFirst(foldersFirst);
 425     }
 426 }
 427
 428 bool DolphinView::sortFoldersFirst() const
 429 {
 430     return m_model->sortDirectoriesFirst();
 431 }
 432
 433 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 434 {
 435     const QList<QByteArray> previousRoles = roles;
 436
 437     ViewProperties props(viewPropertiesUrl());
 438     props.setVisibleRoles(roles);
 439
 440     m_visibleRoles = roles;
 441     m_view->setVisibleRoles(roles);
 442
 443     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 444 }
 445
 446 QList<QByteArray> DolphinView::visibleRoles() const
 447 {
 448     return m_visibleRoles;
 449 }
 450
 451 void DolphinView::reload()
 452 {
 453     QByteArray viewState;
 454     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 455     saveState(saveStream);
 456
 457     setUrl(url());
 458     loadDirectory(url(), true);
 459
 460     QDataStream restoreStream(viewState);
 461     restoreState(restoreStream);
 462 }
 463
 464 void DolphinView::readSettings()
 465 {
 466     const int oldZoomLevel = m_view->zoomLevel();
 467
 468     GeneralSettings::self()->load();
 469     m_view->readSettings();
 470     applyViewProperties();
 471
 472     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 473     m_container->controller()->setAutoActivationDelay(delay);
 474
 475     const int newZoomLevel = m_view->zoomLevel();
 476     if (newZoomLevel != oldZoomLevel) {
 477         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 478     }
 479 }
 480
 481 void DolphinView::writeSettings()
 482 {
 483     GeneralSettings::self()->save();
 484     m_view->writeSettings();
 485 }
 486
 487 void DolphinView::setNameFilter(const QString& nameFilter)
 488 {
 489     m_model->setNameFilter(nameFilter);
 490 }
 491
 492 QString DolphinView::nameFilter() const
 493 {
 494     return m_model->nameFilter();
 495 }
 496
 497 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 498 {
 499     return m_model->setMimeTypeFilters(filters);
 500 }
 501
 502 QStringList DolphinView::mimeTypeFilters() const
 503 {
 504     return m_model->mimeTypeFilters();
 505 }
 506
 507 QString DolphinView::statusBarText() const
 508 {
 509     QString summary;
 510     QString foldersText;
 511     QString filesText;
 512
 513     int folderCount = 0;
 514     int fileCount = 0;
 515     KIO::filesize_t totalFileSize = 0;
 516
 517     if (m_container->controller()->selectionManager()->hasSelection()) {
 518         // Give a summary of the status of the selected files
 519         const KFileItemList list = selectedItems();
 520         foreach (const KFileItem& item, list) {
 521             if (item.isDir()) {
 522                 ++folderCount;
 523             } else {
 524                 ++fileCount;
 525                 totalFileSize += item.size();
 526             }
 527         }
 528
 529         if (folderCount + fileCount == 1) {
 530             // If only one item is selected, show info about it
 531             return list.first().getStatusBarInfo();
 532         } else {
 533             // At least 2 items are selected
 534             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 535             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 536         }
 537     } else {
 538         calculateItemCount(fileCount, folderCount, totalFileSize);
 539         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 540         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 541     }
 542
 543     if (fileCount > 0 && folderCount > 0) {
 544         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 545                         foldersText, filesText,
 546                         KFormat().formatByteSize(totalFileSize));
 547     } else if (fileCount > 0) {
 548         summary = i18nc("@info:status files (size)", "%1 (%2)",
 549                         filesText,
 550                         KFormat().formatByteSize(totalFileSize));
 551     } else if (folderCount > 0) {
 552         summary = foldersText;
 553     } else {
 554         summary = i18nc("@info:status", "0 Folders, 0 Files");
 555     }
 556
 557     return summary;
 558 }
 559
 560 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 561 {
 562     QList<QAction*> actions;
 563
 564     if (items.isEmpty()) {
 565         const KFileItem item = m_model->rootItem();
 566         if (!item.isNull()) {
 567             actions = m_versionControlObserver->actions(KFileItemList() << item);
 568         }
 569     } else {
 570         actions = m_versionControlObserver->actions(items);
 571     }
 572
 573     return actions;
 574 }
 575
 576 void DolphinView::setUrl(const QUrl& url)
 577 {
 578     if (url == m_url) {
 579         return;
 580     }
 581
 582     clearSelection();
 583
 584     m_url = url;
 585
 586     hideToolTip();
 587
 588     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 589                this, &DolphinView::slotRoleEditingFinished);
 590
 591     // It is important to clear the items from the model before
 592     // applying the view properties, otherwise expensive operations
 593     // might be done on the existing items although they get cleared
 594     // anyhow afterwards by loadDirectory().
 595     m_model->clear();
 596     applyViewProperties();
 597     loadDirectory(url);
 598
 599     emit urlChanged(url);
 600 }
 601
 602 void DolphinView::selectAll()
 603 {
 604     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 605     selectionManager->setSelected(0, m_model->count());
 606 }
 607
 608 void DolphinView::invertSelection()
 609 {
 610     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 611     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 612 }
 613
 614 void DolphinView::clearSelection()
 615 {
 616     m_selectedUrls.clear();
 617     m_container->controller()->selectionManager()->clearSelection();
 618 }
 619
 620 void DolphinView::renameSelectedItems()
 621 {
 622     const KFileItemList items = selectedItems();
 623     if (items.isEmpty()) {
 624         return;
 625     }
 626
 627     if (items.count() == 1 && GeneralSettings::renameInline()) {
 628         const int index = m_model->index(items.first());
 629         m_view->editRole(index, "text");
 630
 631         hideToolTip();
 632
 633         connect(m_view, &DolphinItemListView::roleEditingFinished,
 634                 this, &DolphinView::slotRoleEditingFinished);
 635     } else {
 636         RenameDialog* dialog = new RenameDialog(this, items);
 637         dialog->setAttribute(Qt::WA_DeleteOnClose);
 638         dialog->show();
 639         dialog->raise();
 640         dialog->activateWindow();
 641     }
 642
 643     // Assure that the current index remains visible when KFileItemModel
 644     // will notify the view about changed items (which might result in
 645     // a changed sorting).
 646     m_assureVisibleCurrentIndex = true;
 647 }
 648
 649 void DolphinView::trashSelectedItems()
 650 {
 651     const QList<QUrl> list = simplifiedSelectedUrls();
 652     KIO::JobUiDelegate uiDelegate;
 653     uiDelegate.setWindow(window());
 654     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 655         KIO::Job* job = KIO::trash(list);
 656         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 657         KJobWidgets::setWindow(job, this);
 658         connect(job, &KIO::Job::result,
 659                 this, &DolphinView::slotTrashFileFinished);
 660     }
 661 }
 662
 663 void DolphinView::deleteSelectedItems()
 664 {
 665     const QList<QUrl> list = simplifiedSelectedUrls();
 666
 667     KIO::JobUiDelegate uiDelegate;
 668     uiDelegate.setWindow(window());
 669     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 670         KIO::Job* job = KIO::del(list);
 671         KJobWidgets::setWindow(job, this);
 672         connect(job, &KIO::Job::result,
 673                 this, &DolphinView::slotDeleteFileFinished);
 674     }
 675 }
 676
 677 void DolphinView::cutSelectedItems()
 678 {
 679     QMimeData* mimeData = selectionMimeData();
 680     KIO::setClipboardDataCut(mimeData, true);
 681     QApplication::clipboard()->setMimeData(mimeData);
 682 }
 683
 684 void DolphinView::copySelectedItems()
 685 {
 686     QMimeData* mimeData = selectionMimeData();
 687     QApplication::clipboard()->setMimeData(mimeData);
 688 }
 689
 690 void DolphinView::paste()
 691 {
 692     pasteToUrl(url());
 693 }
 694
 695 void DolphinView::pasteIntoFolder()
 696 {
 697     const KFileItemList items = selectedItems();
 698     if ((items.count() == 1) && items.first().isDir()) {
 699         pasteToUrl(items.first().url());
 700     }
 701 }
 702
 703 void DolphinView::stopLoading()
 704 {
 705     m_model->cancelDirectoryLoading();
 706 }
 707
 708 void DolphinView::updatePalette()
 709 {
 710     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 711     if (!m_active) {
 712         color.setAlpha(150);
 713     }
 714
 715     QWidget* viewport = m_container->viewport();
 716     if (viewport) {
 717         QPalette palette;
 718         palette.setColor(viewport->backgroundRole(), color);
 719         viewport->setPalette(palette);
 720     }
 721
 722     update();
 723 }
 724
 725 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 726 {
 727     switch (event->type()) {
 728     case QEvent::PaletteChange:
 729         updatePalette();
 730         QPixmapCache::clear();
 731         break;
 732
 733     case QEvent::KeyPress:
 734         if (GeneralSettings::useTabForSwitchingSplitView()) {
 735             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 736             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 737                 toggleActiveViewRequested();
 738                 return true;
 739             }
 740         }
 741         break;
 742     case QEvent::FocusIn:
 743         if (watched == m_container) {
 744             setActive(true);
 745         }
 746         break;
 747
 748     case QEvent::GraphicsSceneDragEnter:
 749         if (watched == m_view) {
 750             m_dragging = true;
 751         }
 752         break;
 753
 754     case QEvent::GraphicsSceneDragLeave:
 755         if (watched == m_view) {
 756             m_dragging = false;
 757         }
 758         break;
 759
 760     case QEvent::GraphicsSceneDrop:
 761         if (watched == m_view) {
 762             m_dragging = false;
 763         }
 764     default:
 765         break;
 766     }
 767
 768     return QWidget::eventFilter(watched, event);
 769 }
 770
 771 void DolphinView::wheelEvent(QWheelEvent* event)
 772 {
 773     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 774         const int numDegrees = event->delta() / 8;
 775         const int numSteps = numDegrees / 15;
 776
 777         setZoomLevel(zoomLevel() + numSteps);
 778         event->accept();
 779     } else {
 780         event->ignore();
 781     }
 782 }
 783
 784 void DolphinView::hideEvent(QHideEvent* event)
 785 {
 786     hideToolTip();
 787     QWidget::hideEvent(event);
 788 }
 789
 790 bool DolphinView::event(QEvent* event)
 791 {
 792     /* See Bug 297355
 793      * Dolphin leaves file preview tooltips open even when is not visible.
 794      *
 795      * Hide tool-tip when Dolphin loses focus.
 796      */
 797     if (event->type() == QEvent::WindowDeactivate) {
 798         hideToolTip();
 799     }
 800
 801     return QWidget::event(event);
 802 }
 803
 804 void DolphinView::activate()
 805 {
 806     setActive(true);
 807 }
 808
 809 void DolphinView::slotItemActivated(int index)
 810 {
 811     const KFileItem item = m_model->fileItem(index);
 812     if (!item.isNull()) {
 813         emit itemActivated(item);
 814     }
 815 }
 816
 817 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 818 {
 819     Q_ASSERT(indexes.count() >= 2);
 820
 821     if (indexes.count() > 5) {
 822         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 823         const int answer = KMessageBox::warningYesNo(this, question);
 824         if (answer != KMessageBox::Yes) {
 825             return;
 826         }
 827     }
 828
 829     KFileItemList items;
 830     items.reserve(indexes.count());
 831
 832     for (int index : indexes) {
 833         KFileItem item = m_model->fileItem(index);
 834         const QUrl& url = openItemAsFolderUrl(item);
 835
 836         if (!url.isEmpty()) { // Open folders in new tabs
 837             emit tabRequested(url);
 838         } else {
 839             items.append(item);
 840         }
 841     }
 842
 843     if (items.count() == 1) {
 844         emit itemActivated(items.first());
 845     } else if (items.count() > 1) {
 846         emit itemsActivated(items);
 847     }
 848 }
 849
 850 void DolphinView::slotItemMiddleClicked(int index)
 851 {
 852     const KFileItem& item = m_model->fileItem(index);
 853     const QUrl& url = openItemAsFolderUrl(item);
 854     if (!url.isEmpty()) {
 855         emit tabRequested(url);
 856     } else if (isTabsForFilesEnabled()) {
 857         emit tabRequested(item.url());
 858     }
 859 }
 860
 861 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 862 {
 863     // Force emit of a selection changed signal before we request the
 864     // context menu, to update the edit-actions first. (See Bug 294013)
 865     if (m_selectionChangedTimer->isActive()) {
 866         emitSelectionChangedSignal();
 867     }
 868
 869     const KFileItem item = m_model->fileItem(index);
 870     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 871 }
 872
 873 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 874 {
 875     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 876 }
 877
 878 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 879 {
 880     ViewProperties props(viewPropertiesUrl());
 881
 882     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 883
 884     KItemListView* view = m_container->controller()->view();
 885     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 886
 887     bool indexingEnabled = false;
 888 #ifdef HAVE_BALOO
 889     Baloo::IndexerConfig config;
 890     indexingEnabled = config.fileIndexingEnabled();
 891 #endif
 892
 893     QString groupName;
 894     QMenu* groupMenu = 0;
 895
 896     // Add all roles to the menu that can be shown or hidden by the user
 897     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 898     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 899         if (info.role == "text") {
 900             // It should not be possible to hide the "text" role
 901             continue;
 902         }
 903
 904         const QString text = m_model->roleDescription(info.role);
 905         QAction* action = 0;
 906         if (info.group.isEmpty()) {
 907             action = menu->addAction(text);
 908         } else {
 909             if (!groupMenu || info.group != groupName) {
 910                 groupName = info.group;
 911                 groupMenu = menu->addMenu(groupName);
 912             }
 913
 914             action = groupMenu->addAction(text);
 915         }
 916
 917         action->setCheckable(true);
 918         action->setChecked(visibleRolesSet.contains(info.role));
 919         action->setData(info.role);
 920
 921         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 922                             (info.requiresBaloo) ||
 923                             (info.requiresIndexer && indexingEnabled);
 924         action->setEnabled(enable);
 925     }
 926
 927     menu->addSeparator();
 928
 929     QActionGroup* widthsGroup = new QActionGroup(menu);
 930     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 931
 932     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 933     autoAdjustWidthsAction->setCheckable(true);
 934     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 935     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 936
 937     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 938     customWidthsAction->setCheckable(true);
 939     customWidthsAction->setChecked(!autoColumnWidths);
 940     customWidthsAction->setActionGroup(widthsGroup);
 941
 942     QAction* action = menu->exec(pos.toPoint());
 943     if (menu && action) {
 944         KItemListHeader* header = view->header();
 945
 946         if (action == autoAdjustWidthsAction) {
 947             // Clear the column-widths from the viewproperties and turn on
 948             // the automatic resizing of the columns
 949             props.setHeaderColumnWidths(QList<int>());
 950             header->setAutomaticColumnResizing(true);
 951         } else if (action == customWidthsAction) {
 952             // Apply the current column-widths as custom column-widths and turn
 953             // off the automatic resizing of the columns
 954             QList<int> columnWidths;
 955             columnWidths.reserve(view->visibleRoles().count());
 956             foreach (const QByteArray& role, view->visibleRoles()) {
 957                 columnWidths.append(header->columnWidth(role));
 958             }
 959             props.setHeaderColumnWidths(columnWidths);
 960             header->setAutomaticColumnResizing(false);
 961         } else {
 962             // Show or hide the selected role
 963             const QByteArray selectedRole = action->data().toByteArray();
 964
 965             QList<QByteArray> visibleRoles = view->visibleRoles();
 966             if (action->isChecked()) {
 967                 visibleRoles.append(selectedRole);
 968             } else {
 969                 visibleRoles.removeOne(selectedRole);
 970             }
 971
 972             view->setVisibleRoles(visibleRoles);
 973             props.setVisibleRoles(visibleRoles);
 974
 975             QList<int> columnWidths;
 976             if (!header->automaticColumnResizing()) {
 977                 columnWidths.reserve(view->visibleRoles().count());
 978                 foreach (const QByteArray& role, view->visibleRoles()) {
 979                     columnWidths.append(header->columnWidth(role));
 980                 }
 981             }
 982             props.setHeaderColumnWidths(columnWidths);
 983         }
 984     }
 985
 986     delete menu;
 987 }
 988
 989 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
 990 {
 991     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 992
 993     ViewProperties props(viewPropertiesUrl());
 994     QList<int> columnWidths = props.headerColumnWidths();
 995     if (columnWidths.count() != visibleRoles.count()) {
 996         columnWidths.clear();
 997         columnWidths.reserve(visibleRoles.count());
 998         const KItemListHeader* header = m_view->header();
 999         foreach (const QByteArray& role, visibleRoles) {
1000             const int width = header->columnWidth(role);
1001             columnWidths.append(width);
1002         }
1003     }
1004
1005     const int roleIndex = visibleRoles.indexOf(role);
1006     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1007     columnWidths[roleIndex] = current;
1008
1009     props.setHeaderColumnWidths(columnWidths);
1010 }
1011
1012 void DolphinView::slotItemHovered(int index)
1013 {
1014     const KFileItem item = m_model->fileItem(index);
1015
1016     if (GeneralSettings::showToolTips() && !m_dragging) {
1017         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1018         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1019         itemRect.moveTo(pos);
1020
1021         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1022     }
1023
1024     emit requestItemInfo(item);
1025 }
1026
1027 void DolphinView::slotItemUnhovered(int index)
1028 {
1029     Q_UNUSED(index);
1030     hideToolTip();
1031     emit requestItemInfo(KFileItem());
1032 }
1033
1034 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1035 {
1036     QUrl destUrl;
1037     KFileItem destItem = m_model->fileItem(index);
1038     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1039         // Use the URL of the view as drop target if the item is no directory
1040         // or desktop-file
1041         destItem = m_model->rootItem();
1042         destUrl = url();
1043     } else {
1044         // The item represents a directory or desktop-file
1045         destUrl = destItem.mostLocalUrl();
1046     }
1047
1048     QDropEvent dropEvent(event->pos().toPoint(),
1049                          event->possibleActions(),
1050                          event->mimeData(),
1051                          event->buttons(),
1052                          event->modifiers());
1053     dropUrls(destUrl, &dropEvent);
1054
1055     setActive(true);
1056 }
1057
1058 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent)
1059 {
1060     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, this);
1061
1062     if (job) {
1063         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1064
1065         if (destUrl == url()) {
1066             // Mark the dropped urls as selected.
1067             m_clearSelectionBeforeSelectingNewItems = true;
1068             m_markFirstNewlySelectedItemAsCurrent = true;
1069             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1070         }
1071     }
1072 }
1073
1074 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1075 {
1076     if (previous != 0) {
1077         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1078         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1079         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1080         m_versionControlObserver->setModel(0);
1081     }
1082
1083     if (current) {
1084         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1085         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1086         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1087         m_versionControlObserver->setModel(fileItemModel);
1088     }
1089 }
1090
1091 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1092 {
1093     Q_UNUSED(itemIndex);
1094
1095     hideToolTip();
1096
1097     if (buttons & Qt::BackButton) {
1098         emit goBackRequested();
1099     } else if (buttons & Qt::ForwardButton) {
1100         emit goForwardRequested();
1101     }
1102 }
1103
1104 void DolphinView::slotItemCreated(const QUrl& url)
1105 {
1106     if (m_markFirstNewlySelectedItemAsCurrent) {
1107         markUrlAsCurrent(url);
1108         m_markFirstNewlySelectedItemAsCurrent = false;
1109     }
1110     m_selectedUrls << url;
1111 }
1112
1113 void DolphinView::slotPasteJobResult(KJob *job)
1114 {
1115     if (job->error()) {
1116         emit errorMessage(job->errorString());
1117     }
1118     if (!m_selectedUrls.isEmpty()) {
1119         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1120     }
1121 }
1122
1123 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1124 {
1125     const int currentCount = current.count();
1126     const int previousCount = previous.count();
1127     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1128                                        (currentCount >  0 && previousCount == 0);
1129
1130     // If nothing has been selected before and something got selected (or if something
1131     // was selected before and now nothing is selected) the selectionChangedSignal must
1132     // be emitted asynchronously as fast as possible to update the edit-actions.
1133     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1134     m_selectionChangedTimer->start();
1135 }
1136
1137 void DolphinView::emitSelectionChangedSignal()
1138 {
1139     m_selectionChangedTimer->stop();
1140     emit selectionChanged(selectedItems());
1141 }
1142
1143 void DolphinView::updateSortRole(const QByteArray& role)
1144 {
1145     ViewProperties props(viewPropertiesUrl());
1146     props.setSortRole(role);
1147
1148     KItemModelBase* model = m_container->controller()->model();
1149     model->setSortRole(role);
1150
1151     emit sortRoleChanged(role);
1152 }
1153
1154 void DolphinView::updateSortOrder(Qt::SortOrder order)
1155 {
1156     ViewProperties props(viewPropertiesUrl());
1157     props.setSortOrder(order);
1158
1159     m_model->setSortOrder(order);
1160
1161     emit sortOrderChanged(order);
1162 }
1163
1164 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1165 {
1166     ViewProperties props(viewPropertiesUrl());
1167     props.setSortFoldersFirst(foldersFirst);
1168
1169     m_model->setSortDirectoriesFirst(foldersFirst);
1170
1171     emit sortFoldersFirstChanged(foldersFirst);
1172 }
1173
1174 QPair<bool, QString> DolphinView::pasteInfo() const
1175 {
1176     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1177     QPair<bool, QString> info;
1178     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1179     return info;
1180 }
1181
1182 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1183 {
1184     m_tabsForFiles = tabsForFiles;
1185 }
1186
1187 bool DolphinView::isTabsForFilesEnabled() const
1188 {
1189     return m_tabsForFiles;
1190 }
1191
1192 bool DolphinView::itemsExpandable() const
1193 {
1194     return m_mode == DetailsView;
1195 }
1196
1197 void DolphinView::restoreState(QDataStream& stream)
1198 {
1199     // Read the version number of the view state and check if the version is supported.
1200     quint32 version = 0;
1201     stream >> version;
1202     if (version != 1) {
1203         // The version of the view state isn't supported, we can't restore it.
1204         return;
1205     }
1206
1207     // Restore the current item that had the keyboard focus
1208     stream >> m_currentItemUrl;
1209
1210     // Restore the previously selected items
1211     stream >> m_selectedUrls;
1212
1213     // Restore the view position
1214     stream >> m_restoredContentsPosition;
1215
1216     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1217     QSet<QUrl> urls;
1218     stream >> urls;
1219     m_model->restoreExpandedDirectories(urls);
1220 }
1221
1222 void DolphinView::saveState(QDataStream& stream)
1223 {
1224     stream << quint32(1); // View state version
1225
1226     // Save the current item that has the keyboard focus
1227     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1228     if (currentIndex != -1) {
1229         KFileItem item = m_model->fileItem(currentIndex);
1230         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1231         QUrl currentItemUrl = item.url();
1232         stream << currentItemUrl;
1233     } else {
1234         stream << QUrl();
1235     }
1236
1237     // Save the selected urls
1238     stream << selectedItems().urlList();
1239
1240     // Save view position
1241     const qreal x = m_container->horizontalScrollBar()->value();
1242     const qreal y = m_container->verticalScrollBar()->value();
1243     stream << QPoint(x, y);
1244
1245     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1246     stream << m_model->expandedDirectories();
1247 }
1248
1249 KFileItem DolphinView::rootItem() const
1250 {
1251     return m_model->rootItem();
1252 }
1253
1254 void DolphinView::setViewPropertiesContext(const QString& context)
1255 {
1256     m_viewPropertiesContext = context;
1257 }
1258
1259 QString DolphinView::viewPropertiesContext() const
1260 {
1261     return m_viewPropertiesContext;
1262 }
1263
1264 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1265 {
1266     if (item.isNull()) {
1267         return QUrl();
1268     }
1269
1270     QUrl url = item.targetUrl();
1271
1272     if (item.isDir()) {
1273         return url;
1274     }
1275
1276     if (item.isMimeTypeKnown()) {
1277         const QString& mimetype = item.mimetype();
1278
1279         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1280             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1281             // zip:/<path>/ when clicking on a zip file, etc.
1282             // The .protocol file specifies the mimetype that the kioslave handles.
1283             // Note that we don't use mimetype inheritance since we don't want to
1284             // open OpenDocument files as zip folders...
1285             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1286             if (!protocol.isEmpty()) {
1287                 url.setScheme(protocol);
1288                 return url;
1289             }
1290         }
1291
1292         if (mimetype == QLatin1String("application/x-desktop")) {
1293             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1294             KDesktopFile desktopFile(url.toLocalFile());
1295             if (desktopFile.hasLinkType()) {
1296                 const QString linkUrl = desktopFile.readUrl();
1297                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1298                     return QUrl::fromUserInput(linkUrl);
1299                 }
1300             }
1301         }
1302     }
1303
1304     return QUrl();
1305 }
1306
1307 void DolphinView::observeCreatedItem(const QUrl& url)
1308 {
1309     if (m_active) {
1310         clearSelection();
1311         markUrlAsCurrent(url);
1312         markUrlsAsSelected({url});
1313     }
1314 }
1315
1316 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1317 {
1318     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1319         emit redirection(oldUrl, newUrl);
1320         m_url = newUrl; // #186947
1321     }
1322 }
1323
1324 void DolphinView::updateViewState()
1325 {
1326     if (m_currentItemUrl != QUrl()) {
1327         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1328         const int currentIndex = m_model->index(m_currentItemUrl);
1329         if (currentIndex != -1) {
1330             selectionManager->setCurrentItem(currentIndex);
1331
1332             // scroll to current item and reset the state
1333             if (m_scrollToCurrentItem) {
1334                 m_view->scrollToItem(currentIndex);
1335                 m_scrollToCurrentItem = false;
1336             }
1337         } else {
1338             selectionManager->setCurrentItem(0);
1339         }
1340
1341         m_currentItemUrl = QUrl();
1342     }
1343
1344     if (!m_restoredContentsPosition.isNull()) {
1345         const int x = m_restoredContentsPosition.x();
1346         const int y = m_restoredContentsPosition.y();
1347         m_restoredContentsPosition = QPoint();
1348
1349         m_container->horizontalScrollBar()->setValue(x);
1350         m_container->verticalScrollBar()->setValue(y);
1351     }
1352
1353     if (!m_selectedUrls.isEmpty()) {
1354         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1355
1356         if (m_clearSelectionBeforeSelectingNewItems) {
1357             selectionManager->clearSelection();
1358             m_clearSelectionBeforeSelectingNewItems = false;
1359         }
1360
1361         KItemSet selectedItems = selectionManager->selectedItems();
1362
1363         QList<QUrl>::iterator it = m_selectedUrls.begin();
1364         while (it != m_selectedUrls.end()) {
1365             const int index = m_model->index(*it);
1366             if (index >= 0) {
1367                 selectedItems.insert(index);
1368                 it = m_selectedUrls.erase(it);
1369             } else {
1370                  ++it;
1371             }
1372         }
1373
1374         selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1375         selectionManager->setSelectedItems(selectedItems);
1376     }
1377 }
1378
1379 void DolphinView::hideToolTip()
1380 {
1381     if (GeneralSettings::showToolTips()) {
1382         m_toolTipManager->hideToolTip();
1383     }
1384 }
1385
1386 void DolphinView::calculateItemCount(int& fileCount,
1387                                      int& folderCount,
1388                                      KIO::filesize_t& totalFileSize) const
1389 {
1390     const int itemCount = m_model->count();
1391     for (int i = 0; i < itemCount; ++i) {
1392         const KFileItem item = m_model->fileItem(i);
1393         if (item.isDir()) {
1394             ++folderCount;
1395         } else {
1396             ++fileCount;
1397             totalFileSize += item.size();
1398         }
1399     }
1400 }
1401
1402 void DolphinView::slotTrashFileFinished(KJob* job)
1403 {
1404     if (job->error() == 0) {
1405         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1406     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1407         emit errorMessage(job->errorString());
1408     }
1409 }
1410
1411 void DolphinView::slotDeleteFileFinished(KJob* job)
1412 {
1413     if (job->error() == 0) {
1414         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1415     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1416         emit errorMessage(job->errorString());
1417     }
1418 }
1419
1420 void DolphinView::slotRenamingResult(KJob* job)
1421 {
1422     if (job->error()) {
1423         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1424         Q_ASSERT(copyJob);
1425         const QUrl newUrl = copyJob->destUrl();
1426         const int index = m_model->index(newUrl);
1427         if (index >= 0) {
1428             QHash<QByteArray, QVariant> data;
1429             const QUrl oldUrl = copyJob->srcUrls().at(0);
1430             data.insert("text", oldUrl.fileName());
1431             m_model->setData(index, data);
1432         }
1433     }
1434 }
1435
1436 void DolphinView::slotDirectoryLoadingStarted()
1437 {
1438     // Disable the writestate temporary until it can be determined in a fast way
1439     // in DolphinView::slotLoadingCompleted()
1440     if (m_isFolderWritable) {
1441         m_isFolderWritable = false;
1442         emit writeStateChanged(m_isFolderWritable);
1443     }
1444
1445     emit directoryLoadingStarted();
1446 }
1447
1448 void DolphinView::slotDirectoryLoadingCompleted()
1449 {
1450     // Update the view-state. This has to be done asynchronously
1451     // because the view might not be in its final state yet.
1452     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1453
1454     emit directoryLoadingCompleted();
1455
1456     updateWritableState();
1457 }
1458
1459 void DolphinView::slotItemsChanged()
1460 {
1461     m_assureVisibleCurrentIndex = false;
1462 }
1463
1464 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1465 {
1466     Q_UNUSED(previous);
1467     Q_ASSERT(m_model->sortOrder() == current);
1468
1469     ViewProperties props(viewPropertiesUrl());
1470     props.setSortOrder(current);
1471
1472     emit sortOrderChanged(current);
1473 }
1474
1475 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1476 {
1477     Q_UNUSED(previous);
1478     Q_ASSERT(m_model->sortRole() == current);
1479
1480     ViewProperties props(viewPropertiesUrl());
1481     props.setSortRole(current);
1482
1483     emit sortRoleChanged(current);
1484 }
1485
1486 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1487                                                   const QList<QByteArray>& previous)
1488 {
1489     Q_UNUSED(previous);
1490     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1491
1492     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1493
1494     m_visibleRoles = current;
1495
1496     ViewProperties props(viewPropertiesUrl());
1497     props.setVisibleRoles(m_visibleRoles);
1498
1499     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1500 }
1501
1502 void DolphinView::slotRoleEditingCanceled()
1503 {
1504     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1505                this, &DolphinView::slotRoleEditingFinished);
1506 }
1507
1508 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1509 {
1510     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1511                this, &DolphinView::slotRoleEditingFinished);
1512
1513     if (index < 0 || index >= m_model->count()) {
1514         return;
1515     }
1516
1517     if (role == "text") {
1518         const KFileItem oldItem = m_model->fileItem(index);
1519         const QString newName = value.toString();
1520         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1521             const QUrl oldUrl = oldItem.url();
1522
1523             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1524             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1525
1526             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1527             if (!newNameExistsAlready) {
1528                 // Only change the data in the model if no item with the new name
1529                 // is in the model yet. If there is an item with the new name
1530                 // already, calling KIO::CopyJob will open a dialog
1531                 // asking for a new name, and KFileItemModel will update the
1532                 // data when the dir lister signals that the file name has changed.
1533                 QHash<QByteArray, QVariant> data;
1534                 data.insert(role, value);
1535                 m_model->setData(index, data);
1536             }
1537
1538             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1539             KJobWidgets::setWindow(job, this);
1540             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1541             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1542
1543             if (!newNameExistsAlready) {
1544                 // Only connect the result signal if there is no item with the new name
1545                 // in the model yet, see bug 328262.
1546                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1547             }
1548         }
1549     }
1550 }
1551
1552 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1553 {
1554     if (!url.isValid()) {
1555         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1556         if (location.isEmpty()) {
1557             emit errorMessage(i18nc("@info:status", "The location is empty."));
1558         } else {
1559             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1560         }
1561         return;
1562     }
1563
1564     if (reload) {
1565         m_model->refreshDirectory(url);
1566     } else {
1567         m_model->loadDirectory(url);
1568     }
1569 }
1570
1571 void DolphinView::applyViewProperties()
1572 {
1573     const ViewProperties props(viewPropertiesUrl());
1574     applyViewProperties(props);
1575 }
1576
1577 void DolphinView::applyViewProperties(const ViewProperties& props)
1578 {
1579     m_view->beginTransaction();
1580
1581     const Mode mode = props.viewMode();
1582     if (m_mode != mode) {
1583         const Mode previousMode = m_mode;
1584         m_mode = mode;
1585
1586         // Changing the mode might result in changing
1587         // the zoom level. Remember the old zoom level so
1588         // that zoomLevelChanged() can get emitted.
1589         const int oldZoomLevel = m_view->zoomLevel();
1590         applyModeToView();
1591
1592         emit modeChanged(m_mode, previousMode);
1593
1594         if (m_view->zoomLevel() != oldZoomLevel) {
1595             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1596         }
1597     }
1598
1599     const bool hiddenFilesShown = props.hiddenFilesShown();
1600     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1601         m_model->setShowHiddenFiles(hiddenFilesShown);
1602         emit hiddenFilesShownChanged(hiddenFilesShown);
1603     }
1604
1605     const bool groupedSorting = props.groupedSorting();
1606     if (groupedSorting != m_model->groupedSorting()) {
1607         m_model->setGroupedSorting(groupedSorting);
1608         emit groupedSortingChanged(groupedSorting);
1609     }
1610
1611     const QByteArray sortRole = props.sortRole();
1612     if (sortRole != m_model->sortRole()) {
1613         m_model->setSortRole(sortRole);
1614         emit sortRoleChanged(sortRole);
1615     }
1616
1617     const Qt::SortOrder sortOrder = props.sortOrder();
1618     if (sortOrder != m_model->sortOrder()) {
1619         m_model->setSortOrder(sortOrder);
1620         emit sortOrderChanged(sortOrder);
1621     }
1622
1623     const bool sortFoldersFirst = props.sortFoldersFirst();
1624     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1625         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1626         emit sortFoldersFirstChanged(sortFoldersFirst);
1627     }
1628
1629     const QList<QByteArray> visibleRoles = props.visibleRoles();
1630     if (visibleRoles != m_visibleRoles) {
1631         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1632         m_visibleRoles = visibleRoles;
1633         m_view->setVisibleRoles(visibleRoles);
1634         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1635     }
1636
1637     const bool previewsShown = props.previewsShown();
1638     if (previewsShown != m_view->previewsShown()) {
1639         const int oldZoomLevel = zoomLevel();
1640
1641         m_view->setPreviewsShown(previewsShown);
1642         emit previewsShownChanged(previewsShown);
1643
1644         // Changing the preview-state might result in a changed zoom-level
1645         if (oldZoomLevel != zoomLevel()) {
1646             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1647         }
1648     }
1649
1650     KItemListView* itemListView = m_container->controller()->view();
1651     if (itemListView->isHeaderVisible()) {
1652         KItemListHeader* header = itemListView->header();
1653         const QList<int> headerColumnWidths = props.headerColumnWidths();
1654         const int rolesCount = m_visibleRoles.count();
1655         if (headerColumnWidths.count() == rolesCount) {
1656             header->setAutomaticColumnResizing(false);
1657
1658             QHash<QByteArray, qreal> columnWidths;
1659             for (int i = 0; i < rolesCount; ++i) {
1660                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1661             }
1662             header->setColumnWidths(columnWidths);
1663         } else {
1664             header->setAutomaticColumnResizing(true);
1665         }
1666     }
1667
1668     m_view->endTransaction();
1669 }
1670
1671 void DolphinView::applyModeToView()
1672 {
1673     switch (m_mode) {
1674     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1675     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1676     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1677     default: Q_ASSERT(false); break;
1678     }
1679 }
1680
1681 void DolphinView::pasteToUrl(const QUrl& url)
1682 {
1683     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1684     KJobWidgets::setWindow(job, this);
1685     m_clearSelectionBeforeSelectingNewItems = true;
1686     m_markFirstNewlySelectedItemAsCurrent = true;
1687     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1688     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1689 }
1690
1691 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1692 {
1693     QList<QUrl> urls;
1694
1695     const KFileItemList items = selectedItems();
1696     urls.reserve(items.count());
1697     foreach (const KFileItem& item, items) {
1698         urls.append(item.url());
1699     }
1700
1701     if (itemsExpandable()) {
1702         // TODO: Check if we still need KDirModel for this in KDE 5.0
1703         urls = KDirModel::simplifiedUrlList(urls);
1704     }
1705
1706     return urls;
1707 }
1708
1709 QMimeData* DolphinView::selectionMimeData() const
1710 {
1711     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1712     const KItemSet selectedIndexes = selectionManager->selectedItems();
1713
1714     return m_model->createMimeData(selectedIndexes);
1715 }
1716
1717 void DolphinView::updateWritableState()
1718 {
1719     const bool wasFolderWritable = m_isFolderWritable;
1720     m_isFolderWritable = false;
1721
1722     KFileItem item = m_model->rootItem();
1723     if (item.isNull()) {
1724         // Try to find out if the URL is writable even if the "root item" is
1725         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1726         item = KFileItem(url());
1727         item.setDelayedMimeTypes(true);
1728     }
1729
1730     KFileItemListProperties capabilities(KFileItemList() << item);
1731     m_isFolderWritable = capabilities.supportsWriting();
1732
1733     if (m_isFolderWritable != wasFolderWritable) {
1734         emit writeStateChanged(m_isFolderWritable);
1735     }
1736 }
1737
1738 QUrl DolphinView::viewPropertiesUrl() const
1739 {
1740     if (m_viewPropertiesContext.isEmpty()) {
1741         return m_url;
1742     }
1743
1744     QUrl url;
1745     url.setScheme(m_url.scheme());
1746     url.setPath(m_viewPropertiesContext);
1747     return url;
1748 }