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/PasteJob>
  55 #include <KIO/Paste>
  56 #include <KJob>
  57 #include <QMenu>
  58 #include <KMessageBox>
  59 #include <KJobWidgets>
  60 #include <konq_operations.h>
  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(QList<QByteArray>() << "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
1043     QString error;
1044     KonqOperations* job = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1045     if (!error.isEmpty()) {
1046         emit infoMessage(error);
1047     }
1048
1049     if (job && destUrl == url()) {
1050         // Mark the dropped urls as selected.
1051         m_clearSelectionBeforeSelectingNewItems = true;
1052         m_markFirstNewlySelectedItemAsCurrent = true;
1053         connect(job, &KonqOperations::itemCreated, this, &DolphinView::slotItemCreated);
1054         //connect(job, &KIO::InteractiveDropJob::result, this, &DolphinView::slotPasteJobResult);
1055     }
1056
1057     setActive(true);
1058 }
1059
1060 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1061 {
1062     if (previous != 0) {
1063         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1064         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1065         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1066         m_versionControlObserver->setModel(0);
1067     }
1068
1069     if (current) {
1070         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1071         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1072         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1073         m_versionControlObserver->setModel(fileItemModel);
1074     }
1075 }
1076
1077 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1078 {
1079     Q_UNUSED(itemIndex);
1080
1081     hideToolTip();
1082
1083     if (buttons & Qt::BackButton) {
1084         emit goBackRequested();
1085     } else if (buttons & Qt::ForwardButton) {
1086         emit goForwardRequested();
1087     }
1088 }
1089
1090 void DolphinView::slotItemCreated(const QUrl& url)
1091 {
1092     if (m_markFirstNewlySelectedItemAsCurrent) {
1093         markUrlAsCurrent(url);
1094         m_markFirstNewlySelectedItemAsCurrent = false;
1095     }
1096     m_selectedUrls << url;
1097 }
1098
1099 void DolphinView::slotPasteJobResult(KJob *)
1100 {
1101     if (!m_selectedUrls.isEmpty()) {
1102         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1103     }
1104 }
1105
1106 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1107 {
1108     const int currentCount = current.count();
1109     const int previousCount = previous.count();
1110     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1111                                        (currentCount >  0 && previousCount == 0);
1112
1113     // If nothing has been selected before and something got selected (or if something
1114     // was selected before and now nothing is selected) the selectionChangedSignal must
1115     // be emitted asynchronously as fast as possible to update the edit-actions.
1116     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1117     m_selectionChangedTimer->start();
1118 }
1119
1120 void DolphinView::emitSelectionChangedSignal()
1121 {
1122     m_selectionChangedTimer->stop();
1123     emit selectionChanged(selectedItems());
1124 }
1125
1126 void DolphinView::updateSortRole(const QByteArray& role)
1127 {
1128     ViewProperties props(viewPropertiesUrl());
1129     props.setSortRole(role);
1130
1131     KItemModelBase* model = m_container->controller()->model();
1132     model->setSortRole(role);
1133
1134     emit sortRoleChanged(role);
1135 }
1136
1137 void DolphinView::updateSortOrder(Qt::SortOrder order)
1138 {
1139     ViewProperties props(viewPropertiesUrl());
1140     props.setSortOrder(order);
1141
1142     m_model->setSortOrder(order);
1143
1144     emit sortOrderChanged(order);
1145 }
1146
1147 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1148 {
1149     ViewProperties props(viewPropertiesUrl());
1150     props.setSortFoldersFirst(foldersFirst);
1151
1152     m_model->setSortDirectoriesFirst(foldersFirst);
1153
1154     emit sortFoldersFirstChanged(foldersFirst);
1155 }
1156
1157 QPair<bool, QString> DolphinView::pasteInfo() const
1158 {
1159     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1160     QPair<bool, QString> info;
1161     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1162     return info;
1163 }
1164
1165 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1166 {
1167     m_tabsForFiles = tabsForFiles;
1168 }
1169
1170 bool DolphinView::isTabsForFilesEnabled() const
1171 {
1172     return m_tabsForFiles;
1173 }
1174
1175 bool DolphinView::itemsExpandable() const
1176 {
1177     return m_mode == DetailsView;
1178 }
1179
1180 void DolphinView::restoreState(QDataStream& stream)
1181 {
1182     // Read the version number of the view state and check if the version is supported.
1183     quint32 version = 0;
1184     stream >> version;
1185     if (version != 1) {
1186         // The version of the view state isn't supported, we can't restore it.
1187         return;
1188     }
1189
1190     // Restore the current item that had the keyboard focus
1191     stream >> m_currentItemUrl;
1192
1193     // Restore the view position
1194     stream >> m_restoredContentsPosition;
1195
1196     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1197     QSet<QUrl> urls;
1198     stream >> urls;
1199     m_model->restoreExpandedDirectories(urls);
1200 }
1201
1202 void DolphinView::saveState(QDataStream& stream)
1203 {
1204     stream << quint32(1); // View state version
1205
1206     // Save the current item that has the keyboard focus
1207     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1208     if (currentIndex != -1) {
1209         KFileItem item = m_model->fileItem(currentIndex);
1210         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1211         QUrl currentItemUrl = item.url();
1212         stream << currentItemUrl;
1213     } else {
1214         stream << QUrl();
1215     }
1216
1217     // Save view position
1218     const qreal x = m_container->horizontalScrollBar()->value();
1219     const qreal y = m_container->verticalScrollBar()->value();
1220     stream << QPoint(x, y);
1221
1222     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1223     stream << m_model->expandedDirectories();
1224 }
1225
1226 KFileItem DolphinView::rootItem() const
1227 {
1228     return m_model->rootItem();
1229 }
1230
1231 void DolphinView::setViewPropertiesContext(const QString& context)
1232 {
1233     m_viewPropertiesContext = context;
1234 }
1235
1236 QString DolphinView::viewPropertiesContext() const
1237 {
1238     return m_viewPropertiesContext;
1239 }
1240
1241 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1242 {
1243     if (item.isNull()) {
1244         return QUrl();
1245     }
1246
1247     QUrl url = item.targetUrl();
1248
1249     if (item.isDir()) {
1250         return url;
1251     }
1252
1253     if (item.isMimeTypeKnown()) {
1254         const QString& mimetype = item.mimetype();
1255
1256         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1257             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1258             // zip:/<path>/ when clicking on a zip file, etc.
1259             // The .protocol file specifies the mimetype that the kioslave handles.
1260             // Note that we don't use mimetype inheritance since we don't want to
1261             // open OpenDocument files as zip folders...
1262             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1263             if (!protocol.isEmpty()) {
1264                 url.setScheme(protocol);
1265                 return url;
1266             }
1267         }
1268
1269         if (mimetype == QLatin1String("application/x-desktop")) {
1270             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1271             KDesktopFile desktopFile(url.toLocalFile());
1272             if (desktopFile.hasLinkType()) {
1273                 const QString linkUrl = desktopFile.readUrl();
1274                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1275                     return linkUrl;
1276                 }
1277             }
1278         }
1279     }
1280
1281     return QUrl();
1282 }
1283
1284 void DolphinView::observeCreatedItem(const QUrl& url)
1285 {
1286     if (m_active) {
1287         clearSelection();
1288         markUrlAsCurrent(url);
1289         markUrlsAsSelected(QList<QUrl>() << url);
1290     }
1291 }
1292
1293 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1294 {
1295     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1296         emit redirection(oldUrl, newUrl);
1297         m_url = newUrl; // #186947
1298     }
1299 }
1300
1301 void DolphinView::updateViewState()
1302 {
1303     if (m_currentItemUrl != QUrl()) {
1304         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1305         const int currentIndex = m_model->index(m_currentItemUrl);
1306         if (currentIndex != -1) {
1307             selectionManager->setCurrentItem(currentIndex);
1308
1309             // scroll to current item and reset the state
1310             if (m_scrollToCurrentItem) {
1311                 m_view->scrollToItem(currentIndex);
1312                 m_scrollToCurrentItem = false;
1313             }
1314         } else {
1315             selectionManager->setCurrentItem(0);
1316         }
1317
1318         m_currentItemUrl = QUrl();
1319     }
1320
1321     if (!m_restoredContentsPosition.isNull()) {
1322         const int x = m_restoredContentsPosition.x();
1323         const int y = m_restoredContentsPosition.y();
1324         m_restoredContentsPosition = QPoint();
1325
1326         m_container->horizontalScrollBar()->setValue(x);
1327         m_container->verticalScrollBar()->setValue(y);
1328     }
1329
1330     if (!m_selectedUrls.isEmpty()) {
1331         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1332
1333         if (m_clearSelectionBeforeSelectingNewItems) {
1334             selectionManager->clearSelection();
1335             m_clearSelectionBeforeSelectingNewItems = false;
1336         }
1337
1338         KItemSet selectedItems = selectionManager->selectedItems();
1339
1340         QList<QUrl>::iterator it = m_selectedUrls.begin();
1341         while (it != m_selectedUrls.end()) {
1342             const int index = m_model->index(*it);
1343             if (index >= 0) {
1344                 selectedItems.insert(index);
1345                 it = m_selectedUrls.erase(it);
1346             } else {
1347                  ++it;
1348             }
1349         }
1350
1351         selectionManager->setSelectedItems(selectedItems);
1352     }
1353 }
1354
1355 void DolphinView::hideToolTip()
1356 {
1357     if (GeneralSettings::showToolTips()) {
1358         m_toolTipManager->hideToolTip();
1359     }
1360 }
1361
1362 void DolphinView::calculateItemCount(int& fileCount,
1363                                      int& folderCount,
1364                                      KIO::filesize_t& totalFileSize) const
1365 {
1366     const int itemCount = m_model->count();
1367     for (int i = 0; i < itemCount; ++i) {
1368         const KFileItem item = m_model->fileItem(i);
1369         if (item.isDir()) {
1370             ++folderCount;
1371         } else {
1372             ++fileCount;
1373             totalFileSize += item.size();
1374         }
1375     }
1376 }
1377
1378 void DolphinView::slotTrashFileFinished(KJob* job)
1379 {
1380     if (job->error() == 0) {
1381         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1382     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1383         emit errorMessage(job->errorString());
1384     }
1385 }
1386
1387 void DolphinView::slotDeleteFileFinished(KJob* job)
1388 {
1389     if (job->error() == 0) {
1390         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1391     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1392         emit errorMessage(job->errorString());
1393     }
1394 }
1395
1396 void DolphinView::slotRenamingResult(KJob* job)
1397 {
1398     if (job->error()) {
1399         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1400         Q_ASSERT(copyJob);
1401         const QUrl newUrl = copyJob->destUrl();
1402         const int index = m_model->index(newUrl);
1403         if (index >= 0) {
1404             QHash<QByteArray, QVariant> data;
1405             const QUrl oldUrl = copyJob->srcUrls().first();
1406             data.insert("text", oldUrl.fileName());
1407             m_model->setData(index, data);
1408         }
1409     }
1410 }
1411
1412 void DolphinView::slotDirectoryLoadingStarted()
1413 {
1414     // Disable the writestate temporary until it can be determined in a fast way
1415     // in DolphinView::slotLoadingCompleted()
1416     if (m_isFolderWritable) {
1417         m_isFolderWritable = false;
1418         emit writeStateChanged(m_isFolderWritable);
1419     }
1420
1421     emit directoryLoadingStarted();
1422 }
1423
1424 void DolphinView::slotDirectoryLoadingCompleted()
1425 {
1426     // Update the view-state. This has to be done asynchronously
1427     // because the view might not be in its final state yet.
1428     QTimer::singleShot(0, this, SLOT(updateViewState()));
1429
1430     emit directoryLoadingCompleted();
1431
1432     updateWritableState();
1433 }
1434
1435 void DolphinView::slotItemsChanged()
1436 {
1437     m_assureVisibleCurrentIndex = false;
1438 }
1439
1440 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1441 {
1442     Q_UNUSED(previous);
1443     Q_ASSERT(m_model->sortOrder() == current);
1444
1445     ViewProperties props(viewPropertiesUrl());
1446     props.setSortOrder(current);
1447
1448     emit sortOrderChanged(current);
1449 }
1450
1451 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1452 {
1453     Q_UNUSED(previous);
1454     Q_ASSERT(m_model->sortRole() == current);
1455
1456     ViewProperties props(viewPropertiesUrl());
1457     props.setSortRole(current);
1458
1459     emit sortRoleChanged(current);
1460 }
1461
1462 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1463                                                   const QList<QByteArray>& previous)
1464 {
1465     Q_UNUSED(previous);
1466     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1467
1468     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1469
1470     m_visibleRoles = current;
1471
1472     ViewProperties props(viewPropertiesUrl());
1473     props.setVisibleRoles(m_visibleRoles);
1474
1475     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1476 }
1477
1478 void DolphinView::slotRoleEditingCanceled()
1479 {
1480     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1481                this, &DolphinView::slotRoleEditingFinished);
1482 }
1483
1484 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1485 {
1486     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1487                this, &DolphinView::slotRoleEditingFinished);
1488
1489     if (index < 0 || index >= m_model->count()) {
1490         return;
1491     }
1492
1493     if (role == "text") {
1494         const KFileItem oldItem = m_model->fileItem(index);
1495         const QString newName = value.toString();
1496         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1497             const QUrl oldUrl = oldItem.url();
1498
1499             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1500             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1501
1502             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1503             if (!newNameExistsAlready) {
1504                 // Only change the data in the model if no item with the new name
1505                 // is in the model yet. If there is an item with the new name
1506                 // already, calling KIO::CopyJob will open a dialog
1507                 // asking for a new name, and KFileItemModel will update the
1508                 // data when the dir lister signals that the file name has changed.
1509                 QHash<QByteArray, QVariant> data;
1510                 data.insert(role, value);
1511                 m_model->setData(index, data);
1512             }
1513
1514             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1515             KJobWidgets::setWindow(job, this);
1516             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, QList<QUrl>() << oldUrl, newUrl, job);
1517             job->ui()->setAutoErrorHandlingEnabled(true);
1518
1519             if (!newNameExistsAlready) {
1520                 // Only connect the result signal if there is no item with the new name
1521                 // in the model yet, see bug 328262.
1522                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1523             }
1524         }
1525     }
1526 }
1527
1528 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1529 {
1530     if (!url.isValid()) {
1531         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1532         if (location.isEmpty()) {
1533             emit errorMessage(i18nc("@info:status", "The location is empty."));
1534         } else {
1535             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1536         }
1537         return;
1538     }
1539
1540     if (reload) {
1541         m_model->refreshDirectory(url);
1542     } else {
1543         m_model->loadDirectory(url);
1544     }
1545 }
1546
1547 void DolphinView::applyViewProperties()
1548 {
1549     const ViewProperties props(viewPropertiesUrl());
1550     applyViewProperties(props);
1551 }
1552
1553 void DolphinView::applyViewProperties(const ViewProperties& props)
1554 {
1555     m_view->beginTransaction();
1556
1557     const Mode mode = props.viewMode();
1558     if (m_mode != mode) {
1559         const Mode previousMode = m_mode;
1560         m_mode = mode;
1561
1562         // Changing the mode might result in changing
1563         // the zoom level. Remember the old zoom level so
1564         // that zoomLevelChanged() can get emitted.
1565         const int oldZoomLevel = m_view->zoomLevel();
1566         applyModeToView();
1567
1568         emit modeChanged(m_mode, previousMode);
1569
1570         if (m_view->zoomLevel() != oldZoomLevel) {
1571             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1572         }
1573     }
1574
1575     const bool hiddenFilesShown = props.hiddenFilesShown();
1576     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1577         m_model->setShowHiddenFiles(hiddenFilesShown);
1578         emit hiddenFilesShownChanged(hiddenFilesShown);
1579     }
1580
1581     const bool groupedSorting = props.groupedSorting();
1582     if (groupedSorting != m_model->groupedSorting()) {
1583         m_model->setGroupedSorting(groupedSorting);
1584         emit groupedSortingChanged(groupedSorting);
1585     }
1586
1587     const QByteArray sortRole = props.sortRole();
1588     if (sortRole != m_model->sortRole()) {
1589         m_model->setSortRole(sortRole);
1590         emit sortRoleChanged(sortRole);
1591     }
1592
1593     const Qt::SortOrder sortOrder = props.sortOrder();
1594     if (sortOrder != m_model->sortOrder()) {
1595         m_model->setSortOrder(sortOrder);
1596         emit sortOrderChanged(sortOrder);
1597     }
1598
1599     const bool sortFoldersFirst = props.sortFoldersFirst();
1600     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1601         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1602         emit sortFoldersFirstChanged(sortFoldersFirst);
1603     }
1604
1605     const QList<QByteArray> visibleRoles = props.visibleRoles();
1606     if (visibleRoles != m_visibleRoles) {
1607         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1608         m_visibleRoles = visibleRoles;
1609         m_view->setVisibleRoles(visibleRoles);
1610         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1611     }
1612
1613     const bool previewsShown = props.previewsShown();
1614     if (previewsShown != m_view->previewsShown()) {
1615         const int oldZoomLevel = zoomLevel();
1616
1617         m_view->setPreviewsShown(previewsShown);
1618         emit previewsShownChanged(previewsShown);
1619
1620         // Changing the preview-state might result in a changed zoom-level
1621         if (oldZoomLevel != zoomLevel()) {
1622             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1623         }
1624     }
1625
1626     KItemListView* itemListView = m_container->controller()->view();
1627     if (itemListView->isHeaderVisible()) {
1628         KItemListHeader* header = itemListView->header();
1629         const QList<int> headerColumnWidths = props.headerColumnWidths();
1630         const int rolesCount = m_visibleRoles.count();
1631         if (headerColumnWidths.count() == rolesCount) {
1632             header->setAutomaticColumnResizing(false);
1633
1634             QHash<QByteArray, qreal> columnWidths;
1635             for (int i = 0; i < rolesCount; ++i) {
1636                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1637             }
1638             header->setColumnWidths(columnWidths);
1639         } else {
1640             header->setAutomaticColumnResizing(true);
1641         }
1642     }
1643
1644     m_view->endTransaction();
1645 }
1646
1647 void DolphinView::applyModeToView()
1648 {
1649     switch (m_mode) {
1650     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1651     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1652     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1653     default: Q_ASSERT(false); break;
1654     }
1655 }
1656
1657 void DolphinView::pasteToUrl(const QUrl& url)
1658 {
1659     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1660     KJobWidgets::setWindow(job, this);
1661     m_clearSelectionBeforeSelectingNewItems = true;
1662     m_markFirstNewlySelectedItemAsCurrent = true;
1663     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1664     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1665 }
1666
1667 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1668 {
1669     QList<QUrl> urls;
1670
1671     const KFileItemList items = selectedItems();
1672     foreach (const KFileItem& item, items) {
1673         urls.append(item.url());
1674     }
1675
1676     if (itemsExpandable()) {
1677         // TODO: Check if we still need KDirModel for this in KDE 5.0
1678         urls = KDirModel::simplifiedUrlList(urls);
1679     }
1680
1681     return urls;
1682 }
1683
1684 QMimeData* DolphinView::selectionMimeData() const
1685 {
1686     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1687     const KItemSet selectedIndexes = selectionManager->selectedItems();
1688
1689     return m_model->createMimeData(selectedIndexes);
1690 }
1691
1692 void DolphinView::updateWritableState()
1693 {
1694     const bool wasFolderWritable = m_isFolderWritable;
1695     m_isFolderWritable = false;
1696
1697     KFileItem item = m_model->rootItem();
1698     if (item.isNull()) {
1699         // Try to find out if the URL is writable even if the "root item" is
1700         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1701         item = KFileItem(KFileItem::Unknown, KFileItem::Unknown, url(), true);
1702     }
1703
1704     KFileItemListProperties capabilities(KFileItemList() << item);
1705     m_isFolderWritable = capabilities.supportsWriting();
1706
1707     if (m_isFolderWritable != wasFolderWritable) {
1708         emit writeStateChanged(m_isFolderWritable);
1709     }
1710 }
1711
1712 QUrl DolphinView::viewPropertiesUrl() const
1713 {
1714     if (m_viewPropertiesContext.isEmpty()) {
1715         return m_url;
1716     }
1717
1718     QUrl url;
1719     url.setScheme(m_url.scheme());
1720     url.setPath(m_viewPropertiesContext);
1721     return url;
1722 }