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     const KFileItemList itemList = selectedItems();
 458     m_selectedUrls.clear();
 459     m_selectedUrls = itemList.urlList();
 460
 461     setUrl(url());
 462     loadDirectory(url(), true);
 463
 464     QDataStream restoreStream(viewState);
 465     restoreState(restoreStream);
 466 }
 467
 468 void DolphinView::readSettings()
 469 {
 470     const int oldZoomLevel = m_view->zoomLevel();
 471
 472     GeneralSettings::self()->load();
 473     m_view->readSettings();
 474     applyViewProperties();
 475
 476     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 477     m_container->controller()->setAutoActivationDelay(delay);
 478
 479     const int newZoomLevel = m_view->zoomLevel();
 480     if (newZoomLevel != oldZoomLevel) {
 481         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 482     }
 483 }
 484
 485 void DolphinView::writeSettings()
 486 {
 487     GeneralSettings::self()->save();
 488     m_view->writeSettings();
 489 }
 490
 491 void DolphinView::setNameFilter(const QString& nameFilter)
 492 {
 493     m_model->setNameFilter(nameFilter);
 494 }
 495
 496 QString DolphinView::nameFilter() const
 497 {
 498     return m_model->nameFilter();
 499 }
 500
 501 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 502 {
 503     return m_model->setMimeTypeFilters(filters);
 504 }
 505
 506 QStringList DolphinView::mimeTypeFilters() const
 507 {
 508     return m_model->mimeTypeFilters();
 509 }
 510
 511 QString DolphinView::statusBarText() const
 512 {
 513     QString summary;
 514     QString foldersText;
 515     QString filesText;
 516
 517     int folderCount = 0;
 518     int fileCount = 0;
 519     KIO::filesize_t totalFileSize = 0;
 520
 521     if (m_container->controller()->selectionManager()->hasSelection()) {
 522         // Give a summary of the status of the selected files
 523         const KFileItemList list = selectedItems();
 524         foreach (const KFileItem& item, list) {
 525             if (item.isDir()) {
 526                 ++folderCount;
 527             } else {
 528                 ++fileCount;
 529                 totalFileSize += item.size();
 530             }
 531         }
 532
 533         if (folderCount + fileCount == 1) {
 534             // If only one item is selected, show info about it
 535             return list.first().getStatusBarInfo();
 536         } else {
 537             // At least 2 items are selected
 538             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 539             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 540         }
 541     } else {
 542         calculateItemCount(fileCount, folderCount, totalFileSize);
 543         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 544         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 545     }
 546
 547     if (fileCount > 0 && folderCount > 0) {
 548         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 549                         foldersText, filesText,
 550                         KFormat().formatByteSize(totalFileSize));
 551     } else if (fileCount > 0) {
 552         summary = i18nc("@info:status files (size)", "%1 (%2)",
 553                         filesText,
 554                         KFormat().formatByteSize(totalFileSize));
 555     } else if (folderCount > 0) {
 556         summary = foldersText;
 557     } else {
 558         summary = i18nc("@info:status", "0 Folders, 0 Files");
 559     }
 560
 561     return summary;
 562 }
 563
 564 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 565 {
 566     QList<QAction*> actions;
 567
 568     if (items.isEmpty()) {
 569         const KFileItem item = m_model->rootItem();
 570         if (!item.isNull()) {
 571             actions = m_versionControlObserver->actions(KFileItemList() << item);
 572         }
 573     } else {
 574         actions = m_versionControlObserver->actions(items);
 575     }
 576
 577     return actions;
 578 }
 579
 580 void DolphinView::setUrl(const QUrl& url)
 581 {
 582     if (url == m_url) {
 583         return;
 584     }
 585
 586     clearSelection();
 587
 588     m_url = url;
 589
 590     hideToolTip();
 591
 592     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 593                this, &DolphinView::slotRoleEditingFinished);
 594
 595     // It is important to clear the items from the model before
 596     // applying the view properties, otherwise expensive operations
 597     // might be done on the existing items although they get cleared
 598     // anyhow afterwards by loadDirectory().
 599     m_model->clear();
 600     applyViewProperties();
 601     loadDirectory(url);
 602
 603     emit urlChanged(url);
 604 }
 605
 606 void DolphinView::selectAll()
 607 {
 608     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 609     selectionManager->setSelected(0, m_model->count());
 610 }
 611
 612 void DolphinView::invertSelection()
 613 {
 614     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 615     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 616 }
 617
 618 void DolphinView::clearSelection()
 619 {
 620     m_selectedUrls.clear();
 621     m_container->controller()->selectionManager()->clearSelection();
 622 }
 623
 624 void DolphinView::renameSelectedItems()
 625 {
 626     const KFileItemList items = selectedItems();
 627     if (items.isEmpty()) {
 628         return;
 629     }
 630
 631     if (items.count() == 1 && GeneralSettings::renameInline()) {
 632         const int index = m_model->index(items.first());
 633         m_view->editRole(index, "text");
 634
 635         hideToolTip();
 636
 637         connect(m_view, &DolphinItemListView::roleEditingFinished,
 638                 this, &DolphinView::slotRoleEditingFinished);
 639     } else {
 640         RenameDialog* dialog = new RenameDialog(this, items);
 641         dialog->setAttribute(Qt::WA_DeleteOnClose);
 642         dialog->show();
 643         dialog->raise();
 644         dialog->activateWindow();
 645     }
 646
 647     // Assure that the current index remains visible when KFileItemModel
 648     // will notify the view about changed items (which might result in
 649     // a changed sorting).
 650     m_assureVisibleCurrentIndex = true;
 651 }
 652
 653 void DolphinView::trashSelectedItems()
 654 {
 655     const QList<QUrl> list = simplifiedSelectedUrls();
 656     KIO::JobUiDelegate uiDelegate;
 657     uiDelegate.setWindow(window());
 658     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 659         KIO::Job* job = KIO::trash(list);
 660         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 661         KJobWidgets::setWindow(job, this);
 662         connect(job, &KIO::Job::result,
 663                 this, &DolphinView::slotTrashFileFinished);
 664     }
 665 }
 666
 667 void DolphinView::deleteSelectedItems()
 668 {
 669     const QList<QUrl> list = simplifiedSelectedUrls();
 670
 671     KIO::JobUiDelegate uiDelegate;
 672     uiDelegate.setWindow(window());
 673     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 674         KIO::Job* job = KIO::del(list);
 675         KJobWidgets::setWindow(job, this);
 676         connect(job, &KIO::Job::result,
 677                 this, &DolphinView::slotDeleteFileFinished);
 678     }
 679 }
 680
 681 void DolphinView::cutSelectedItems()
 682 {
 683     QMimeData* mimeData = selectionMimeData();
 684     KIO::setClipboardDataCut(mimeData, true);
 685     QApplication::clipboard()->setMimeData(mimeData);
 686 }
 687
 688 void DolphinView::copySelectedItems()
 689 {
 690     QMimeData* mimeData = selectionMimeData();
 691     QApplication::clipboard()->setMimeData(mimeData);
 692 }
 693
 694 void DolphinView::paste()
 695 {
 696     pasteToUrl(url());
 697 }
 698
 699 void DolphinView::pasteIntoFolder()
 700 {
 701     const KFileItemList items = selectedItems();
 702     if ((items.count() == 1) && items.first().isDir()) {
 703         pasteToUrl(items.first().url());
 704     }
 705 }
 706
 707 void DolphinView::stopLoading()
 708 {
 709     m_model->cancelDirectoryLoading();
 710 }
 711
 712 void DolphinView::updatePalette()
 713 {
 714     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 715     if (!m_active) {
 716         color.setAlpha(150);
 717     }
 718
 719     QWidget* viewport = m_container->viewport();
 720     if (viewport) {
 721         QPalette palette;
 722         palette.setColor(viewport->backgroundRole(), color);
 723         viewport->setPalette(palette);
 724     }
 725
 726     update();
 727 }
 728
 729 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 730 {
 731     switch (event->type()) {
 732     case QEvent::PaletteChange:
 733         updatePalette();
 734         QPixmapCache::clear();
 735         break;
 736
 737     case QEvent::KeyPress:
 738         if (GeneralSettings::useTabForSwitchingSplitView()) {
 739             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 740             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 741                 toggleActiveViewRequested();
 742                 return true;
 743             }
 744         }
 745         break;
 746     case QEvent::FocusIn:
 747         if (watched == m_container) {
 748             setActive(true);
 749         }
 750         break;
 751
 752     case QEvent::GraphicsSceneDragEnter:
 753         if (watched == m_view) {
 754             m_dragging = true;
 755         }
 756         break;
 757
 758     case QEvent::GraphicsSceneDragLeave:
 759         if (watched == m_view) {
 760             m_dragging = false;
 761         }
 762         break;
 763
 764     case QEvent::GraphicsSceneDrop:
 765         if (watched == m_view) {
 766             m_dragging = false;
 767         }
 768     default:
 769         break;
 770     }
 771
 772     return QWidget::eventFilter(watched, event);
 773 }
 774
 775 void DolphinView::wheelEvent(QWheelEvent* event)
 776 {
 777     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 778         const int numDegrees = event->delta() / 8;
 779         const int numSteps = numDegrees / 15;
 780
 781         setZoomLevel(zoomLevel() + numSteps);
 782         event->accept();
 783     } else {
 784         event->ignore();
 785     }
 786 }
 787
 788 void DolphinView::hideEvent(QHideEvent* event)
 789 {
 790     hideToolTip();
 791     QWidget::hideEvent(event);
 792 }
 793
 794 bool DolphinView::event(QEvent* event)
 795 {
 796     /* See Bug 297355
 797      * Dolphin leaves file preview tooltips open even when is not visible.
 798      *
 799      * Hide tool-tip when Dolphin loses focus.
 800      */
 801     if (event->type() == QEvent::WindowDeactivate) {
 802         hideToolTip();
 803     }
 804
 805     return QWidget::event(event);
 806 }
 807
 808 void DolphinView::activate()
 809 {
 810     setActive(true);
 811 }
 812
 813 void DolphinView::slotItemActivated(int index)
 814 {
 815     const KFileItem item = m_model->fileItem(index);
 816     if (!item.isNull()) {
 817         emit itemActivated(item);
 818     }
 819 }
 820
 821 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 822 {
 823     Q_ASSERT(indexes.count() >= 2);
 824
 825     if (indexes.count() > 5) {
 826         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 827         const int answer = KMessageBox::warningYesNo(this, question);
 828         if (answer != KMessageBox::Yes) {
 829             return;
 830         }
 831     }
 832
 833     KFileItemList items;
 834     items.reserve(indexes.count());
 835
 836     for (int index : indexes) {
 837         KFileItem item = m_model->fileItem(index);
 838         const QUrl& url = openItemAsFolderUrl(item);
 839
 840         if (!url.isEmpty()) { // Open folders in new tabs
 841             emit tabRequested(url);
 842         } else {
 843             items.append(item);
 844         }
 845     }
 846
 847     if (items.count() == 1) {
 848         emit itemActivated(items.first());
 849     } else if (items.count() > 1) {
 850         emit itemsActivated(items);
 851     }
 852 }
 853
 854 void DolphinView::slotItemMiddleClicked(int index)
 855 {
 856     const KFileItem& item = m_model->fileItem(index);
 857     const QUrl& url = openItemAsFolderUrl(item);
 858     if (!url.isEmpty()) {
 859         emit tabRequested(url);
 860     } else if (isTabsForFilesEnabled()) {
 861         emit tabRequested(item.url());
 862     }
 863 }
 864
 865 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 866 {
 867     // Force emit of a selection changed signal before we request the
 868     // context menu, to update the edit-actions first. (See Bug 294013)
 869     if (m_selectionChangedTimer->isActive()) {
 870         emitSelectionChangedSignal();
 871     }
 872
 873     const KFileItem item = m_model->fileItem(index);
 874     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 875 }
 876
 877 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 878 {
 879     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 880 }
 881
 882 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 883 {
 884     ViewProperties props(viewPropertiesUrl());
 885
 886     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 887
 888     KItemListView* view = m_container->controller()->view();
 889     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 890
 891     bool indexingEnabled = false;
 892 #ifdef HAVE_BALOO
 893     Baloo::IndexerConfig config;
 894     indexingEnabled = config.fileIndexingEnabled();
 895 #endif
 896
 897     QString groupName;
 898     QMenu* groupMenu = 0;
 899
 900     // Add all roles to the menu that can be shown or hidden by the user
 901     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 902     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 903         if (info.role == "text") {
 904             // It should not be possible to hide the "text" role
 905             continue;
 906         }
 907
 908         const QString text = m_model->roleDescription(info.role);
 909         QAction* action = 0;
 910         if (info.group.isEmpty()) {
 911             action = menu->addAction(text);
 912         } else {
 913             if (!groupMenu || info.group != groupName) {
 914                 groupName = info.group;
 915                 groupMenu = menu->addMenu(groupName);
 916             }
 917
 918             action = groupMenu->addAction(text);
 919         }
 920
 921         action->setCheckable(true);
 922         action->setChecked(visibleRolesSet.contains(info.role));
 923         action->setData(info.role);
 924
 925         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 926                             (info.requiresBaloo) ||
 927                             (info.requiresIndexer && indexingEnabled);
 928         action->setEnabled(enable);
 929     }
 930
 931     menu->addSeparator();
 932
 933     QActionGroup* widthsGroup = new QActionGroup(menu);
 934     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 935
 936     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 937     autoAdjustWidthsAction->setCheckable(true);
 938     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 939     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 940
 941     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 942     customWidthsAction->setCheckable(true);
 943     customWidthsAction->setChecked(!autoColumnWidths);
 944     customWidthsAction->setActionGroup(widthsGroup);
 945
 946     QAction* action = menu->exec(pos.toPoint());
 947     if (menu && action) {
 948         KItemListHeader* header = view->header();
 949
 950         if (action == autoAdjustWidthsAction) {
 951             // Clear the column-widths from the viewproperties and turn on
 952             // the automatic resizing of the columns
 953             props.setHeaderColumnWidths(QList<int>());
 954             header->setAutomaticColumnResizing(true);
 955         } else if (action == customWidthsAction) {
 956             // Apply the current column-widths as custom column-widths and turn
 957             // off the automatic resizing of the columns
 958             QList<int> columnWidths;
 959             columnWidths.reserve(view->visibleRoles().count());
 960             foreach (const QByteArray& role, view->visibleRoles()) {
 961                 columnWidths.append(header->columnWidth(role));
 962             }
 963             props.setHeaderColumnWidths(columnWidths);
 964             header->setAutomaticColumnResizing(false);
 965         } else {
 966             // Show or hide the selected role
 967             const QByteArray selectedRole = action->data().toByteArray();
 968
 969             QList<QByteArray> visibleRoles = view->visibleRoles();
 970             if (action->isChecked()) {
 971                 visibleRoles.append(selectedRole);
 972             } else {
 973                 visibleRoles.removeOne(selectedRole);
 974             }
 975
 976             view->setVisibleRoles(visibleRoles);
 977             props.setVisibleRoles(visibleRoles);
 978
 979             QList<int> columnWidths;
 980             if (!header->automaticColumnResizing()) {
 981                 columnWidths.reserve(view->visibleRoles().count());
 982                 foreach (const QByteArray& role, view->visibleRoles()) {
 983                     columnWidths.append(header->columnWidth(role));
 984                 }
 985             }
 986             props.setHeaderColumnWidths(columnWidths);
 987         }
 988     }
 989
 990     delete menu;
 991 }
 992
 993 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
 994 {
 995     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 996
 997     ViewProperties props(viewPropertiesUrl());
 998     QList<int> columnWidths = props.headerColumnWidths();
 999     if (columnWidths.count() != visibleRoles.count()) {
1000         columnWidths.clear();
1001         columnWidths.reserve(visibleRoles.count());
1002         const KItemListHeader* header = m_view->header();
1003         foreach (const QByteArray& role, visibleRoles) {
1004             const int width = header->columnWidth(role);
1005             columnWidths.append(width);
1006         }
1007     }
1008
1009     const int roleIndex = visibleRoles.indexOf(role);
1010     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1011     columnWidths[roleIndex] = current;
1012
1013     props.setHeaderColumnWidths(columnWidths);
1014 }
1015
1016 void DolphinView::slotItemHovered(int index)
1017 {
1018     const KFileItem item = m_model->fileItem(index);
1019
1020     if (GeneralSettings::showToolTips() && !m_dragging) {
1021         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1022         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1023         itemRect.moveTo(pos);
1024
1025         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1026     }
1027
1028     emit requestItemInfo(item);
1029 }
1030
1031 void DolphinView::slotItemUnhovered(int index)
1032 {
1033     Q_UNUSED(index);
1034     hideToolTip();
1035     emit requestItemInfo(KFileItem());
1036 }
1037
1038 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1039 {
1040     QUrl destUrl;
1041     KFileItem destItem = m_model->fileItem(index);
1042     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1043         // Use the URL of the view as drop target if the item is no directory
1044         // or desktop-file
1045         destItem = m_model->rootItem();
1046         destUrl = url();
1047     } else {
1048         // The item represents a directory or desktop-file
1049         destUrl = destItem.mostLocalUrl();
1050     }
1051
1052     QDropEvent dropEvent(event->pos().toPoint(),
1053                          event->possibleActions(),
1054                          event->mimeData(),
1055                          event->buttons(),
1056                          event->modifiers());
1057     dropUrls(destUrl, &dropEvent);
1058
1059     setActive(true);
1060 }
1061
1062 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent)
1063 {
1064     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, this);
1065
1066     if (job) {
1067         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1068
1069         if (destUrl == url()) {
1070             // Mark the dropped urls as selected.
1071             m_clearSelectionBeforeSelectingNewItems = true;
1072             m_markFirstNewlySelectedItemAsCurrent = true;
1073             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1074         }
1075     }
1076 }
1077
1078 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1079 {
1080     if (previous != 0) {
1081         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1082         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1083         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1084         m_versionControlObserver->setModel(0);
1085     }
1086
1087     if (current) {
1088         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1089         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1090         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1091         m_versionControlObserver->setModel(fileItemModel);
1092     }
1093 }
1094
1095 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1096 {
1097     Q_UNUSED(itemIndex);
1098
1099     hideToolTip();
1100
1101     if (buttons & Qt::BackButton) {
1102         emit goBackRequested();
1103     } else if (buttons & Qt::ForwardButton) {
1104         emit goForwardRequested();
1105     }
1106 }
1107
1108 void DolphinView::slotItemCreated(const QUrl& url)
1109 {
1110     if (m_markFirstNewlySelectedItemAsCurrent) {
1111         markUrlAsCurrent(url);
1112         m_markFirstNewlySelectedItemAsCurrent = false;
1113     }
1114     m_selectedUrls << url;
1115 }
1116
1117 void DolphinView::slotPasteJobResult(KJob *job)
1118 {
1119     if (job->error()) {
1120         emit errorMessage(job->errorString());
1121     }
1122     if (!m_selectedUrls.isEmpty()) {
1123         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1124     }
1125 }
1126
1127 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1128 {
1129     const int currentCount = current.count();
1130     const int previousCount = previous.count();
1131     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1132                                        (currentCount >  0 && previousCount == 0);
1133
1134     // If nothing has been selected before and something got selected (or if something
1135     // was selected before and now nothing is selected) the selectionChangedSignal must
1136     // be emitted asynchronously as fast as possible to update the edit-actions.
1137     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1138     m_selectionChangedTimer->start();
1139 }
1140
1141 void DolphinView::emitSelectionChangedSignal()
1142 {
1143     m_selectionChangedTimer->stop();
1144     emit selectionChanged(selectedItems());
1145 }
1146
1147 void DolphinView::updateSortRole(const QByteArray& role)
1148 {
1149     ViewProperties props(viewPropertiesUrl());
1150     props.setSortRole(role);
1151
1152     KItemModelBase* model = m_container->controller()->model();
1153     model->setSortRole(role);
1154
1155     emit sortRoleChanged(role);
1156 }
1157
1158 void DolphinView::updateSortOrder(Qt::SortOrder order)
1159 {
1160     ViewProperties props(viewPropertiesUrl());
1161     props.setSortOrder(order);
1162
1163     m_model->setSortOrder(order);
1164
1165     emit sortOrderChanged(order);
1166 }
1167
1168 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1169 {
1170     ViewProperties props(viewPropertiesUrl());
1171     props.setSortFoldersFirst(foldersFirst);
1172
1173     m_model->setSortDirectoriesFirst(foldersFirst);
1174
1175     emit sortFoldersFirstChanged(foldersFirst);
1176 }
1177
1178 QPair<bool, QString> DolphinView::pasteInfo() const
1179 {
1180     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1181     QPair<bool, QString> info;
1182     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1183     return info;
1184 }
1185
1186 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1187 {
1188     m_tabsForFiles = tabsForFiles;
1189 }
1190
1191 bool DolphinView::isTabsForFilesEnabled() const
1192 {
1193     return m_tabsForFiles;
1194 }
1195
1196 bool DolphinView::itemsExpandable() const
1197 {
1198     return m_mode == DetailsView;
1199 }
1200
1201 void DolphinView::restoreState(QDataStream& stream)
1202 {
1203     // Read the version number of the view state and check if the version is supported.
1204     quint32 version = 0;
1205     stream >> version;
1206     if (version != 1) {
1207         // The version of the view state isn't supported, we can't restore it.
1208         return;
1209     }
1210
1211     // Restore the current item that had the keyboard focus
1212     stream >> m_currentItemUrl;
1213
1214     // Restore the previously selected items
1215     stream >> m_selectedUrls;
1216
1217     // Restore the view position
1218     stream >> m_restoredContentsPosition;
1219
1220     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1221     QSet<QUrl> urls;
1222     stream >> urls;
1223     m_model->restoreExpandedDirectories(urls);
1224 }
1225
1226 void DolphinView::saveState(QDataStream& stream)
1227 {
1228     stream << quint32(1); // View state version
1229
1230     // Save the current item that has the keyboard focus
1231     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1232     if (currentIndex != -1) {
1233         KFileItem item = m_model->fileItem(currentIndex);
1234         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1235         QUrl currentItemUrl = item.url();
1236         stream << currentItemUrl;
1237     } else {
1238         stream << QUrl();
1239     }
1240
1241     // Save the selected urls
1242     stream << selectedItems().urlList();
1243
1244     // Save view position
1245     const qreal x = m_container->horizontalScrollBar()->value();
1246     const qreal y = m_container->verticalScrollBar()->value();
1247     stream << QPoint(x, y);
1248
1249     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1250     stream << m_model->expandedDirectories();
1251 }
1252
1253 KFileItem DolphinView::rootItem() const
1254 {
1255     return m_model->rootItem();
1256 }
1257
1258 void DolphinView::setViewPropertiesContext(const QString& context)
1259 {
1260     m_viewPropertiesContext = context;
1261 }
1262
1263 QString DolphinView::viewPropertiesContext() const
1264 {
1265     return m_viewPropertiesContext;
1266 }
1267
1268 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1269 {
1270     if (item.isNull()) {
1271         return QUrl();
1272     }
1273
1274     QUrl url = item.targetUrl();
1275
1276     if (item.isDir()) {
1277         return url;
1278     }
1279
1280     if (item.isMimeTypeKnown()) {
1281         const QString& mimetype = item.mimetype();
1282
1283         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1284             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1285             // zip:/<path>/ when clicking on a zip file, etc.
1286             // The .protocol file specifies the mimetype that the kioslave handles.
1287             // Note that we don't use mimetype inheritance since we don't want to
1288             // open OpenDocument files as zip folders...
1289             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1290             if (!protocol.isEmpty()) {
1291                 url.setScheme(protocol);
1292                 return url;
1293             }
1294         }
1295
1296         if (mimetype == QLatin1String("application/x-desktop")) {
1297             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1298             KDesktopFile desktopFile(url.toLocalFile());
1299             if (desktopFile.hasLinkType()) {
1300                 const QString linkUrl = desktopFile.readUrl();
1301                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1302                     return QUrl::fromUserInput(linkUrl);
1303                 }
1304             }
1305         }
1306     }
1307
1308     return QUrl();
1309 }
1310
1311 void DolphinView::observeCreatedItem(const QUrl& url)
1312 {
1313     if (m_active) {
1314         clearSelection();
1315         markUrlAsCurrent(url);
1316         markUrlsAsSelected({url});
1317     }
1318 }
1319
1320 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1321 {
1322     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1323         emit redirection(oldUrl, newUrl);
1324         m_url = newUrl; // #186947
1325     }
1326 }
1327
1328 void DolphinView::updateViewState()
1329 {
1330     if (m_currentItemUrl != QUrl()) {
1331         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1332         const int currentIndex = m_model->index(m_currentItemUrl);
1333         if (currentIndex != -1) {
1334             selectionManager->setCurrentItem(currentIndex);
1335
1336             // scroll to current item and reset the state
1337             if (m_scrollToCurrentItem) {
1338                 m_view->scrollToItem(currentIndex);
1339                 m_scrollToCurrentItem = false;
1340             }
1341         } else {
1342             selectionManager->setCurrentItem(0);
1343         }
1344
1345         m_currentItemUrl = QUrl();
1346     }
1347
1348     if (!m_restoredContentsPosition.isNull()) {
1349         const int x = m_restoredContentsPosition.x();
1350         const int y = m_restoredContentsPosition.y();
1351         m_restoredContentsPosition = QPoint();
1352
1353         m_container->horizontalScrollBar()->setValue(x);
1354         m_container->verticalScrollBar()->setValue(y);
1355     }
1356
1357     if (!m_selectedUrls.isEmpty()) {
1358         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1359
1360         if (m_clearSelectionBeforeSelectingNewItems) {
1361             selectionManager->clearSelection();
1362             m_clearSelectionBeforeSelectingNewItems = false;
1363         }
1364
1365         KItemSet selectedItems = selectionManager->selectedItems();
1366
1367         QList<QUrl>::iterator it = m_selectedUrls.begin();
1368         while (it != m_selectedUrls.end()) {
1369             const int index = m_model->index(*it);
1370             if (index >= 0) {
1371                 selectedItems.insert(index);
1372                 it = m_selectedUrls.erase(it);
1373             } else {
1374                  ++it;
1375             }
1376         }
1377
1378         selectionManager->setSelectedItems(selectedItems);
1379     }
1380 }
1381
1382 void DolphinView::hideToolTip()
1383 {
1384     if (GeneralSettings::showToolTips()) {
1385         m_toolTipManager->hideToolTip();
1386     }
1387 }
1388
1389 void DolphinView::calculateItemCount(int& fileCount,
1390                                      int& folderCount,
1391                                      KIO::filesize_t& totalFileSize) const
1392 {
1393     const int itemCount = m_model->count();
1394     for (int i = 0; i < itemCount; ++i) {
1395         const KFileItem item = m_model->fileItem(i);
1396         if (item.isDir()) {
1397             ++folderCount;
1398         } else {
1399             ++fileCount;
1400             totalFileSize += item.size();
1401         }
1402     }
1403 }
1404
1405 void DolphinView::slotTrashFileFinished(KJob* job)
1406 {
1407     if (job->error() == 0) {
1408         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1409     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1410         emit errorMessage(job->errorString());
1411     }
1412 }
1413
1414 void DolphinView::slotDeleteFileFinished(KJob* job)
1415 {
1416     if (job->error() == 0) {
1417         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1418     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1419         emit errorMessage(job->errorString());
1420     }
1421 }
1422
1423 void DolphinView::slotRenamingResult(KJob* job)
1424 {
1425     if (job->error()) {
1426         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1427         Q_ASSERT(copyJob);
1428         const QUrl newUrl = copyJob->destUrl();
1429         const int index = m_model->index(newUrl);
1430         if (index >= 0) {
1431             QHash<QByteArray, QVariant> data;
1432             const QUrl oldUrl = copyJob->srcUrls().at(0);
1433             data.insert("text", oldUrl.fileName());
1434             m_model->setData(index, data);
1435         }
1436     }
1437 }
1438
1439 void DolphinView::slotDirectoryLoadingStarted()
1440 {
1441     // Disable the writestate temporary until it can be determined in a fast way
1442     // in DolphinView::slotLoadingCompleted()
1443     if (m_isFolderWritable) {
1444         m_isFolderWritable = false;
1445         emit writeStateChanged(m_isFolderWritable);
1446     }
1447
1448     emit directoryLoadingStarted();
1449 }
1450
1451 void DolphinView::slotDirectoryLoadingCompleted()
1452 {
1453     // Update the view-state. This has to be done asynchronously
1454     // because the view might not be in its final state yet.
1455     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1456
1457     emit directoryLoadingCompleted();
1458
1459     updateWritableState();
1460 }
1461
1462 void DolphinView::slotItemsChanged()
1463 {
1464     m_assureVisibleCurrentIndex = false;
1465 }
1466
1467 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1468 {
1469     Q_UNUSED(previous);
1470     Q_ASSERT(m_model->sortOrder() == current);
1471
1472     ViewProperties props(viewPropertiesUrl());
1473     props.setSortOrder(current);
1474
1475     emit sortOrderChanged(current);
1476 }
1477
1478 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1479 {
1480     Q_UNUSED(previous);
1481     Q_ASSERT(m_model->sortRole() == current);
1482
1483     ViewProperties props(viewPropertiesUrl());
1484     props.setSortRole(current);
1485
1486     emit sortRoleChanged(current);
1487 }
1488
1489 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1490                                                   const QList<QByteArray>& previous)
1491 {
1492     Q_UNUSED(previous);
1493     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1494
1495     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1496
1497     m_visibleRoles = current;
1498
1499     ViewProperties props(viewPropertiesUrl());
1500     props.setVisibleRoles(m_visibleRoles);
1501
1502     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1503 }
1504
1505 void DolphinView::slotRoleEditingCanceled()
1506 {
1507     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1508                this, &DolphinView::slotRoleEditingFinished);
1509 }
1510
1511 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1512 {
1513     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1514                this, &DolphinView::slotRoleEditingFinished);
1515
1516     if (index < 0 || index >= m_model->count()) {
1517         return;
1518     }
1519
1520     if (role == "text") {
1521         const KFileItem oldItem = m_model->fileItem(index);
1522         const QString newName = value.toString();
1523         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1524             const QUrl oldUrl = oldItem.url();
1525
1526             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1527             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1528
1529             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1530             if (!newNameExistsAlready) {
1531                 // Only change the data in the model if no item with the new name
1532                 // is in the model yet. If there is an item with the new name
1533                 // already, calling KIO::CopyJob will open a dialog
1534                 // asking for a new name, and KFileItemModel will update the
1535                 // data when the dir lister signals that the file name has changed.
1536                 QHash<QByteArray, QVariant> data;
1537                 data.insert(role, value);
1538                 m_model->setData(index, data);
1539             }
1540
1541             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1542             KJobWidgets::setWindow(job, this);
1543             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1544             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1545
1546             if (!newNameExistsAlready) {
1547                 // Only connect the result signal if there is no item with the new name
1548                 // in the model yet, see bug 328262.
1549                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1550             }
1551         }
1552     }
1553 }
1554
1555 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1556 {
1557     if (!url.isValid()) {
1558         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1559         if (location.isEmpty()) {
1560             emit errorMessage(i18nc("@info:status", "The location is empty."));
1561         } else {
1562             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1563         }
1564         return;
1565     }
1566
1567     if (reload) {
1568         m_model->refreshDirectory(url);
1569     } else {
1570         m_model->loadDirectory(url);
1571     }
1572 }
1573
1574 void DolphinView::applyViewProperties()
1575 {
1576     const ViewProperties props(viewPropertiesUrl());
1577     applyViewProperties(props);
1578 }
1579
1580 void DolphinView::applyViewProperties(const ViewProperties& props)
1581 {
1582     m_view->beginTransaction();
1583
1584     const Mode mode = props.viewMode();
1585     if (m_mode != mode) {
1586         const Mode previousMode = m_mode;
1587         m_mode = mode;
1588
1589         // Changing the mode might result in changing
1590         // the zoom level. Remember the old zoom level so
1591         // that zoomLevelChanged() can get emitted.
1592         const int oldZoomLevel = m_view->zoomLevel();
1593         applyModeToView();
1594
1595         emit modeChanged(m_mode, previousMode);
1596
1597         if (m_view->zoomLevel() != oldZoomLevel) {
1598             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1599         }
1600     }
1601
1602     const bool hiddenFilesShown = props.hiddenFilesShown();
1603     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1604         m_model->setShowHiddenFiles(hiddenFilesShown);
1605         emit hiddenFilesShownChanged(hiddenFilesShown);
1606     }
1607
1608     const bool groupedSorting = props.groupedSorting();
1609     if (groupedSorting != m_model->groupedSorting()) {
1610         m_model->setGroupedSorting(groupedSorting);
1611         emit groupedSortingChanged(groupedSorting);
1612     }
1613
1614     const QByteArray sortRole = props.sortRole();
1615     if (sortRole != m_model->sortRole()) {
1616         m_model->setSortRole(sortRole);
1617         emit sortRoleChanged(sortRole);
1618     }
1619
1620     const Qt::SortOrder sortOrder = props.sortOrder();
1621     if (sortOrder != m_model->sortOrder()) {
1622         m_model->setSortOrder(sortOrder);
1623         emit sortOrderChanged(sortOrder);
1624     }
1625
1626     const bool sortFoldersFirst = props.sortFoldersFirst();
1627     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1628         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1629         emit sortFoldersFirstChanged(sortFoldersFirst);
1630     }
1631
1632     const QList<QByteArray> visibleRoles = props.visibleRoles();
1633     if (visibleRoles != m_visibleRoles) {
1634         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1635         m_visibleRoles = visibleRoles;
1636         m_view->setVisibleRoles(visibleRoles);
1637         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1638     }
1639
1640     const bool previewsShown = props.previewsShown();
1641     if (previewsShown != m_view->previewsShown()) {
1642         const int oldZoomLevel = zoomLevel();
1643
1644         m_view->setPreviewsShown(previewsShown);
1645         emit previewsShownChanged(previewsShown);
1646
1647         // Changing the preview-state might result in a changed zoom-level
1648         if (oldZoomLevel != zoomLevel()) {
1649             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1650         }
1651     }
1652
1653     KItemListView* itemListView = m_container->controller()->view();
1654     if (itemListView->isHeaderVisible()) {
1655         KItemListHeader* header = itemListView->header();
1656         const QList<int> headerColumnWidths = props.headerColumnWidths();
1657         const int rolesCount = m_visibleRoles.count();
1658         if (headerColumnWidths.count() == rolesCount) {
1659             header->setAutomaticColumnResizing(false);
1660
1661             QHash<QByteArray, qreal> columnWidths;
1662             for (int i = 0; i < rolesCount; ++i) {
1663                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1664             }
1665             header->setColumnWidths(columnWidths);
1666         } else {
1667             header->setAutomaticColumnResizing(true);
1668         }
1669     }
1670
1671     m_view->endTransaction();
1672 }
1673
1674 void DolphinView::applyModeToView()
1675 {
1676     switch (m_mode) {
1677     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1678     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1679     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1680     default: Q_ASSERT(false); break;
1681     }
1682 }
1683
1684 void DolphinView::pasteToUrl(const QUrl& url)
1685 {
1686     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1687     KJobWidgets::setWindow(job, this);
1688     m_clearSelectionBeforeSelectingNewItems = true;
1689     m_markFirstNewlySelectedItemAsCurrent = true;
1690     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1691     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1692 }
1693
1694 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1695 {
1696     QList<QUrl> urls;
1697
1698     const KFileItemList items = selectedItems();
1699     urls.reserve(items.count());
1700     foreach (const KFileItem& item, items) {
1701         urls.append(item.url());
1702     }
1703
1704     if (itemsExpandable()) {
1705         // TODO: Check if we still need KDirModel for this in KDE 5.0
1706         urls = KDirModel::simplifiedUrlList(urls);
1707     }
1708
1709     return urls;
1710 }
1711
1712 QMimeData* DolphinView::selectionMimeData() const
1713 {
1714     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1715     const KItemSet selectedIndexes = selectionManager->selectedItems();
1716
1717     return m_model->createMimeData(selectedIndexes);
1718 }
1719
1720 void DolphinView::updateWritableState()
1721 {
1722     const bool wasFolderWritable = m_isFolderWritable;
1723     m_isFolderWritable = false;
1724
1725     KFileItem item = m_model->rootItem();
1726     if (item.isNull()) {
1727         // Try to find out if the URL is writable even if the "root item" is
1728         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1729         item = KFileItem(url());
1730         item.setDelayedMimeTypes(true);
1731     }
1732
1733     KFileItemListProperties capabilities(KFileItemList() << item);
1734     m_isFolderWritable = capabilities.supportsWriting();
1735
1736     if (m_isFolderWritable != wasFolderWritable) {
1737         emit writeStateChanged(m_isFolderWritable);
1738     }
1739 }
1740
1741 QUrl DolphinView::viewPropertiesUrl() const
1742 {
1743     if (m_viewPropertiesContext.isEmpty()) {
1744         return m_url;
1745     }
1746
1747     QUrl url;
1748     url.setScheme(m_url.scheme());
1749     url.setPath(m_viewPropertiesContext);
1750     return url;
1751 }