src/views/dolphinview.cpp

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