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