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-nepomuk.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QBoxLayout>
  28 #include <QClipboard>
  29 #include <QDropEvent>
  30 #include <QGraphicsSceneDragDropEvent>
  31 #include <QKeyEvent>
  32 #include <QItemSelection>
  33 #include <QTimer>
  34 #include <QScrollBar>
  35
  36 #include <KDesktopFile>
  37 #include <KProtocolManager>
  38 #include <KActionCollection>
  39 #include <KColorScheme>
  40 #include <KDirModel>
  41 #include <KIconEffect>
  42 #include <KFileItem>
  43 #include <KFileItemListProperties>
  44 #include <KLocale>
  45 #include <kitemviews/kfileitemmodel.h>
  46 #include <kitemviews/kfileitemlistview.h>
  47 #include <kitemviews/kitemlistcontainer.h>
  48 #include <kitemviews/kitemlistheader.h>
  49 #include <kitemviews/kitemlistselectionmanager.h>
  50 #include <kitemviews/kitemlistview.h>
  51 #include <kitemviews/kitemlistcontroller.h>
  52 #include <KIO/DeleteJob>
  53 #include <KIO/JobUiDelegate>
  54 #include <KIO/NetAccess>
  55 #include <KIO/PreviewJob>
  56 #include <KJob>
  57 #include <KMenu>
  58 #include <KMessageBox>
  59 #include <konq_fileitemcapabilities.h>
  60 #include <konq_operations.h>
  61 #include <konqmimedata.h>
  62 #include <KToggleAction>
  63 #include <KUrl>
  64
  65 #include "dolphinnewfilemenuobserver.h"
  66 #include "dolphin_detailsmodesettings.h"
  67 #include "dolphin_generalsettings.h"
  68 #include "dolphinitemlistview.h"
  69 #include "draganddrophelper.h"
  70 #include "renamedialog.h"
  71 #include "versioncontrol/versioncontrolobserver.h"
  72 #include "viewmodecontroller.h"
  73 #include "viewproperties.h"
  74 #include "views/tooltips/tooltipmanager.h"
  75 #include "zoomlevelinfo.h"
  76
  77 #ifdef HAVE_NEPOMUK
  78     #include <Nepomuk2/ResourceManager>
  79 #endif
  80
  81 namespace {
  82     const int MaxModeEnum = DolphinView::CompactView;
  83 };
  84
  85 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  86     QWidget(parent),
  87     m_active(true),
  88     m_tabsForFiles(false),
  89     m_assureVisibleCurrentIndex(false),
  90     m_isFolderWritable(true),
  91     m_dragging(false),
  92     m_url(url),
  93     m_viewPropertiesContext(),
  94     m_mode(DolphinView::IconsView),
  95     m_visibleRoles(),
  96     m_topLayout(0),
  97     m_model(0),
  98     m_view(0),
  99     m_container(0),
 100     m_toolTipManager(0),
 101     m_selectionChangedTimer(0),
 102     m_currentItemUrl(),
 103     m_scrollToCurrentItem(false),
 104     m_restoredContentsPosition(),
 105     m_selectedUrls(),
 106     m_clearSelectionBeforeSelectingNewItems(false),
 107     m_markFirstNewlySelectedItemAsCurrent(false),
 108     m_versionControlObserver(0)
 109 {
 110     m_topLayout = new QVBoxLayout(this);
 111     m_topLayout->setSpacing(0);
 112     m_topLayout->setMargin(0);
 113
 114     // When a new item has been created by the "Create New..." menu, the item should
 115     // get selected and it must be assured that the item will get visible. As the
 116     // creation is done asynchronously, several signals must be checked:
 117     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 118             this, SLOT(observeCreatedItem(KUrl)));
 119
 120     m_selectionChangedTimer = new QTimer(this);
 121     m_selectionChangedTimer->setSingleShot(true);
 122     m_selectionChangedTimer->setInterval(300);
 123     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 124             this, SLOT(emitSelectionChangedSignal()));
 125
 126     m_model = new KFileItemModel(this);
 127     m_view = new DolphinItemListView();
 128     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 129     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 130     applyModeToView();
 131
 132     KItemListController* controller = new KItemListController(m_model, m_view, this);
 133     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 134     controller->setAutoActivationDelay(delay);
 135
 136     // The EnlargeSmallPreviews setting can only be changed after the model
 137     // has been set in the view by KItemListController.
 138     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 139
 140     m_container = new KItemListContainer(controller, this);
 141     m_container->installEventFilter(this);
 142     setFocusProxy(m_container);
 143     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 144     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 145
 146     controller->setSelectionBehavior(KItemListController::MultiSelection);
 147     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 148     connect(controller, SIGNAL(itemsActivated(KItemSet)), this, SLOT(slotItemsActivated(KItemSet)));
 149     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 150     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 151     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 152     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 153     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 154     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 155     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 156     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 157     connect(controller, SIGNAL(escapePressed()), this, SLOT(stopLoading()));
 158     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 159
 160     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 161     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 162     connect(m_model, SIGNAL(directoryLoadingCanceled()),      this, SIGNAL(directoryLoadingCanceled()));
 163     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 164     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 165     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 166             this, SLOT(slotItemsChanged()));
 167     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 168     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 169     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 170     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 171     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 172     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 173
 174     m_view->installEventFilter(this);
 175     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 176             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 177     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 178             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 179     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 180             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 181     connect(m_view, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 182             this, SLOT(slotRoleEditingCanceled()));
 183     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 184             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 185
 186     KItemListSelectionManager* selectionManager = controller->selectionManager();
 187     connect(selectionManager, SIGNAL(selectionChanged(KItemSet,KItemSet)),
 188             this, SLOT(slotSelectionChanged(KItemSet,KItemSet)));
 189
 190     m_toolTipManager = new ToolTipManager(this);
 191
 192     m_versionControlObserver = new VersionControlObserver(this);
 193     m_versionControlObserver->setModel(m_model);
 194     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 195     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 196     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 197
 198     applyViewProperties();
 199     m_topLayout->addWidget(m_container);
 200
 201     loadDirectory(url);
 202 }
 203
 204 DolphinView::~DolphinView()
 205 {
 206 }
 207
 208 KUrl DolphinView::url() const
 209 {
 210     return m_url;
 211 }
 212
 213 void DolphinView::setActive(bool active)
 214 {
 215     if (active == m_active) {
 216         return;
 217     }
 218
 219     m_active = active;
 220
 221     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 222     if (!active) {
 223         color.setAlpha(150);
 224     }
 225
 226     QWidget* viewport = m_container->viewport();
 227     if (viewport) {
 228         QPalette palette;
 229         palette.setColor(viewport->backgroundRole(), color);
 230         viewport->setPalette(palette);
 231     }
 232
 233     update();
 234
 235     if (active) {
 236         m_container->setFocus();
 237         emit activated();
 238         emit writeStateChanged(m_isFolderWritable);
 239     }
 240 }
 241
 242 bool DolphinView::isActive() const
 243 {
 244     return m_active;
 245 }
 246
 247 void DolphinView::setMode(Mode mode)
 248 {
 249     if (mode != m_mode) {
 250         ViewProperties props(viewPropertiesUrl());
 251         props.setViewMode(mode);
 252
 253         // We pass the new ViewProperties to applyViewProperties, rather than
 254         // storing them on disk and letting applyViewProperties() read them
 255         // from there, to prevent that changing the view mode fails if the
 256         // .directory file is not writable (see bug 318534).
 257         applyViewProperties(props);
 258     }
 259 }
 260
 261 DolphinView::Mode DolphinView::mode() const
 262 {
 263     return m_mode;
 264 }
 265
 266 void DolphinView::setPreviewsShown(bool show)
 267 {
 268     if (previewsShown() == show) {
 269         return;
 270     }
 271
 272     ViewProperties props(viewPropertiesUrl());
 273     props.setPreviewsShown(show);
 274
 275     const int oldZoomLevel = m_view->zoomLevel();
 276     m_view->setPreviewsShown(show);
 277     emit previewsShownChanged(show);
 278
 279     const int newZoomLevel = m_view->zoomLevel();
 280     if (newZoomLevel != oldZoomLevel) {
 281         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 282     }
 283 }
 284
 285 bool DolphinView::previewsShown() const
 286 {
 287     return m_view->previewsShown();
 288 }
 289
 290 void DolphinView::setHiddenFilesShown(bool show)
 291 {
 292     if (m_model->showHiddenFiles() == show) {
 293         return;
 294     }
 295
 296     const KFileItemList itemList = selectedItems();
 297     m_selectedUrls.clear();
 298     m_selectedUrls = itemList.urlList();
 299
 300     ViewProperties props(viewPropertiesUrl());
 301     props.setHiddenFilesShown(show);
 302
 303     m_model->setShowHiddenFiles(show);
 304     emit hiddenFilesShownChanged(show);
 305 }
 306
 307 bool DolphinView::hiddenFilesShown() const
 308 {
 309     return m_model->showHiddenFiles();
 310 }
 311
 312 void DolphinView::setGroupedSorting(bool grouped)
 313 {
 314     if (grouped == groupedSorting()) {
 315         return;
 316     }
 317
 318     ViewProperties props(viewPropertiesUrl());
 319     props.setGroupedSorting(grouped);
 320     props.save();
 321
 322     m_container->controller()->model()->setGroupedSorting(grouped);
 323
 324     emit groupedSortingChanged(grouped);
 325 }
 326
 327 bool DolphinView::groupedSorting() const
 328 {
 329     return m_model->groupedSorting();
 330 }
 331
 332 KFileItemList DolphinView::items() const
 333 {
 334     KFileItemList list;
 335     const int itemCount = m_model->count();
 336     list.reserve(itemCount);
 337
 338     for (int i = 0; i < itemCount; ++i) {
 339         list.append(m_model->fileItem(i));
 340     }
 341
 342     return list;
 343 }
 344
 345 int DolphinView::itemsCount() const
 346 {
 347     return m_model->count();
 348 }
 349
 350 KFileItemList DolphinView::selectedItems() const
 351 {
 352     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 353
 354     KFileItemList selectedItems;
 355     foreach (int index, selectionManager->selectedItems()) {
 356         selectedItems.append(m_model->fileItem(index));
 357     }
 358     return selectedItems;
 359 }
 360
 361 int DolphinView::selectedItemsCount() const
 362 {
 363     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 364     return selectionManager->selectedItems().count();
 365 }
 366
 367 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 368 {
 369     m_selectedUrls = urls;
 370 }
 371
 372 void DolphinView::markUrlAsCurrent(const KUrl& url)
 373 {
 374     m_currentItemUrl = url;
 375     m_scrollToCurrentItem = true;
 376 }
 377
 378 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 379 {
 380     const KItemListSelectionManager::SelectionMode mode = enabled
 381                                                         ? KItemListSelectionManager::Select
 382                                                         : KItemListSelectionManager::Deselect;
 383     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 384
 385     for (int index = 0; index < m_model->count(); index++) {
 386         const KFileItem item = m_model->fileItem(index);
 387         if (pattern.exactMatch(item.text())) {
 388             // An alternative approach would be to store the matching items in a KItemSet and
 389             // select them in one go after the loop, but we'd need a new function
 390             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 391             // for that.
 392             selectionManager->setSelected(index, 1, mode);
 393         }
 394     }
 395 }
 396
 397 void DolphinView::setZoomLevel(int level)
 398 {
 399     const int oldZoomLevel = zoomLevel();
 400     m_view->setZoomLevel(level);
 401     if (zoomLevel() != oldZoomLevel) {
 402         hideToolTip();
 403         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 404     }
 405 }
 406
 407 int DolphinView::zoomLevel() const
 408 {
 409     return m_view->zoomLevel();
 410 }
 411
 412 void DolphinView::setSortRole(const QByteArray& role)
 413 {
 414     if (role != sortRole()) {
 415         updateSortRole(role);
 416     }
 417 }
 418
 419 QByteArray DolphinView::sortRole() const
 420 {
 421     const KItemModelBase* model = m_container->controller()->model();
 422     return model->sortRole();
 423 }
 424
 425 void DolphinView::setSortOrder(Qt::SortOrder order)
 426 {
 427     if (sortOrder() != order) {
 428         updateSortOrder(order);
 429     }
 430 }
 431
 432 Qt::SortOrder DolphinView::sortOrder() const
 433 {
 434     return m_model->sortOrder();
 435 }
 436
 437 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 438 {
 439     if (sortFoldersFirst() != foldersFirst) {
 440         updateSortFoldersFirst(foldersFirst);
 441     }
 442 }
 443
 444 bool DolphinView::sortFoldersFirst() const
 445 {
 446     return m_model->sortDirectoriesFirst();
 447 }
 448
 449 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 450 {
 451     const QList<QByteArray> previousRoles = roles;
 452
 453     ViewProperties props(viewPropertiesUrl());
 454     props.setVisibleRoles(roles);
 455
 456     m_visibleRoles = roles;
 457     m_view->setVisibleRoles(roles);
 458
 459     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 460 }
 461
 462 QList<QByteArray> DolphinView::visibleRoles() const
 463 {
 464     return m_visibleRoles;
 465 }
 466
 467 void DolphinView::reload()
 468 {
 469     QByteArray viewState;
 470     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 471     saveState(saveStream);
 472
 473     const KFileItemList itemList = selectedItems();
 474     m_selectedUrls.clear();
 475     m_selectedUrls = itemList.urlList();
 476
 477     setUrl(url());
 478     loadDirectory(url(), true);
 479
 480     QDataStream restoreStream(viewState);
 481     restoreState(restoreStream);
 482 }
 483
 484 void DolphinView::readSettings()
 485 {
 486     const int oldZoomLevel = m_view->zoomLevel();
 487
 488     GeneralSettings::self()->readConfig();
 489     m_view->readSettings();
 490     applyViewProperties();
 491
 492     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 493     m_container->controller()->setAutoActivationDelay(delay);
 494
 495     const int newZoomLevel = m_view->zoomLevel();
 496     if (newZoomLevel != oldZoomLevel) {
 497         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 498     }
 499 }
 500
 501 void DolphinView::writeSettings()
 502 {
 503     GeneralSettings::self()->writeConfig();
 504     m_view->writeSettings();
 505 }
 506
 507 void DolphinView::setNameFilter(const QString& nameFilter)
 508 {
 509     m_model->setNameFilter(nameFilter);
 510 }
 511
 512 QString DolphinView::nameFilter() const
 513 {
 514     return m_model->nameFilter();
 515 }
 516
 517 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 518 {
 519     return m_model->setMimeTypeFilters(filters);
 520 }
 521
 522 QStringList DolphinView::mimeTypeFilters() const
 523 {
 524     return m_model->mimeTypeFilters();
 525 }
 526
 527 QString DolphinView::statusBarText() const
 528 {
 529     QString summary;
 530     QString foldersText;
 531     QString filesText;
 532
 533     int folderCount = 0;
 534     int fileCount = 0;
 535     KIO::filesize_t totalFileSize = 0;
 536
 537     if (m_container->controller()->selectionManager()->hasSelection()) {
 538         // Give a summary of the status of the selected files
 539         const KFileItemList list = selectedItems();
 540         foreach (const KFileItem& item, list) {
 541             if (item.isDir()) {
 542                 ++folderCount;
 543             } else {
 544                 ++fileCount;
 545                 totalFileSize += item.size();
 546             }
 547         }
 548
 549         if (folderCount + fileCount == 1) {
 550             // If only one item is selected, show info about it
 551             return list.first().getStatusBarInfo();
 552         } else {
 553             // At least 2 items are selected
 554             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 555             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 556         }
 557     } else {
 558         calculateItemCount(fileCount, folderCount, totalFileSize);
 559         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 560         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 561     }
 562
 563     if (fileCount > 0 && folderCount > 0) {
 564         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 565                         foldersText, filesText,
 566                         KGlobal::locale()->formatByteSize(totalFileSize));
 567     } else if (fileCount > 0) {
 568         summary = i18nc("@info:status files (size)", "%1 (%2)",
 569                         filesText,
 570                         KGlobal::locale()->formatByteSize(totalFileSize));
 571     } else if (folderCount > 0) {
 572         summary = foldersText;
 573     } else {
 574         summary = i18nc("@info:status", "0 Folders, 0 Files");
 575     }
 576
 577     return summary;
 578 }
 579
 580 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 581 {
 582     QList<QAction*> actions;
 583
 584     if (items.isEmpty()) {
 585         const KFileItem item = m_model->rootItem();
 586         if (!item.isNull()) {
 587             actions = m_versionControlObserver->actions(KFileItemList() << item);
 588         }
 589     } else {
 590         actions = m_versionControlObserver->actions(items);
 591     }
 592
 593     return actions;
 594 }
 595
 596 void DolphinView::setUrl(const KUrl& url)
 597 {
 598     if (url == m_url) {
 599         return;
 600     }
 601
 602     clearSelection();
 603
 604     emit urlAboutToBeChanged(url);
 605     m_url = url;
 606
 607     hideToolTip();
 608
 609     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 610                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 611
 612     // It is important to clear the items from the model before
 613     // applying the view properties, otherwise expensive operations
 614     // might be done on the existing items although they get cleared
 615     // anyhow afterwards by loadDirectory().
 616     m_model->clear();
 617     applyViewProperties();
 618     loadDirectory(url);
 619
 620     emit urlChanged(url);
 621 }
 622
 623 void DolphinView::selectAll()
 624 {
 625     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 626     selectionManager->setSelected(0, m_model->count());
 627 }
 628
 629 void DolphinView::invertSelection()
 630 {
 631     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 632     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 633 }
 634
 635 void DolphinView::clearSelection()
 636 {
 637     m_selectedUrls.clear();
 638     m_container->controller()->selectionManager()->clearSelection();
 639 }
 640
 641 void DolphinView::renameSelectedItems()
 642 {
 643     const KFileItemList items = selectedItems();
 644     if (items.isEmpty()) {
 645         return;
 646     }
 647
 648     if (items.count() == 1 && GeneralSettings::renameInline()) {
 649         const int index = m_model->index(items.first());
 650         m_view->editRole(index, "text");
 651
 652         connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 653                 this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 654     } else {
 655         RenameDialog* dialog = new RenameDialog(this, items);
 656         dialog->setAttribute(Qt::WA_DeleteOnClose);
 657         dialog->show();
 658         dialog->raise();
 659         dialog->activateWindow();
 660     }
 661
 662     // Assure that the current index remains visible when KFileItemModel
 663     // will notify the view about changed items (which might result in
 664     // a changed sorting).
 665     m_assureVisibleCurrentIndex = true;
 666 }
 667
 668 void DolphinView::trashSelectedItems()
 669 {
 670     const KUrl::List list = simplifiedSelectedUrls();
 671     KonqOperations::del(this, KonqOperations::TRASH, list);
 672 }
 673
 674 void DolphinView::deleteSelectedItems()
 675 {
 676     const KUrl::List list = simplifiedSelectedUrls();
 677     const bool del = KonqOperations::askDeleteConfirmation(list,
 678                      KonqOperations::DEL,
 679                      KonqOperations::DEFAULT_CONFIRMATION,
 680                      this);
 681
 682     if (del) {
 683         KIO::Job* job = KIO::del(list);
 684         if (job->ui()) {
 685             job->ui()->setWindow(this);
 686         }
 687         connect(job, SIGNAL(result(KJob*)),
 688                 this, SLOT(slotDeleteFileFinished(KJob*)));
 689     }
 690 }
 691
 692 void DolphinView::cutSelectedItems()
 693 {
 694     QMimeData* mimeData = selectionMimeData();
 695     KonqMimeData::addIsCutSelection(mimeData, true);
 696     QApplication::clipboard()->setMimeData(mimeData);
 697 }
 698
 699 void DolphinView::copySelectedItems()
 700 {
 701     QMimeData* mimeData = selectionMimeData();
 702     QApplication::clipboard()->setMimeData(mimeData);
 703 }
 704
 705 void DolphinView::paste()
 706 {
 707     pasteToUrl(url());
 708 }
 709
 710 void DolphinView::pasteIntoFolder()
 711 {
 712     const KFileItemList items = selectedItems();
 713     if ((items.count() == 1) && items.first().isDir()) {
 714         pasteToUrl(items.first().url());
 715     }
 716 }
 717
 718 void DolphinView::stopLoading()
 719 {
 720     m_model->cancelDirectoryLoading();
 721 }
 722
 723 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 724 {
 725     switch (event->type()) {
 726     case QEvent::FocusIn:
 727         if (watched == m_container) {
 728             setActive(true);
 729         }
 730         break;
 731
 732     case QEvent::GraphicsSceneDragEnter:
 733         if (watched == m_view) {
 734             m_dragging = true;
 735         }
 736         break;
 737
 738     case QEvent::GraphicsSceneDragLeave:
 739         if (watched == m_view) {
 740             m_dragging = false;
 741         }
 742         break;
 743
 744     case QEvent::GraphicsSceneDrop:
 745         if (watched == m_view) {
 746             m_dragging = false;
 747         }
 748     default:
 749         break;
 750     }
 751
 752     return QWidget::eventFilter(watched, event);
 753 }
 754
 755 void DolphinView::wheelEvent(QWheelEvent* event)
 756 {
 757     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 758         const int numDegrees = event->delta() / 8;
 759         const int numSteps = numDegrees / 15;
 760
 761         setZoomLevel(zoomLevel() + numSteps);
 762         event->accept();
 763     } else {
 764         event->ignore();
 765     }
 766 }
 767
 768 void DolphinView::hideEvent(QHideEvent* event)
 769 {
 770     hideToolTip();
 771     QWidget::hideEvent(event);
 772 }
 773
 774 bool DolphinView::event(QEvent* event)
 775 {
 776     /* See Bug 297355
 777      * Dolphin leaves file preview tooltips open even when is not visible.
 778      *
 779      * Hide tool-tip when Dolphin loses focus.
 780      */
 781     if (event->type() == QEvent::WindowDeactivate) {
 782         hideToolTip();
 783     }
 784
 785     return QWidget::event(event);
 786 }
 787
 788 void DolphinView::activate()
 789 {
 790     setActive(true);
 791 }
 792
 793 void DolphinView::slotItemActivated(int index)
 794 {
 795     const KFileItem item = m_model->fileItem(index);
 796     if (!item.isNull()) {
 797         emit itemActivated(item);
 798     }
 799 }
 800
 801 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 802 {
 803     Q_ASSERT(indexes.count() >= 2);
 804
 805     if (indexes.count() > 5) {
 806         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 807         const int answer = KMessageBox::warningYesNo(this, question);
 808         if (answer != KMessageBox::Yes) {
 809             return;
 810         }
 811     }
 812
 813     KFileItemList items;
 814     items.reserve(indexes.count());
 815
 816     foreach (int index, indexes) {
 817         KFileItem item = m_model->fileItem(index);
 818         const KUrl& url = openItemAsFolderUrl(item);
 819
 820         if (!url.isEmpty()) { // Open folders in new tabs
 821             emit tabRequested(url);
 822         } else {
 823             items.append(item);
 824         }
 825     }
 826
 827     if (items.count() == 1) {
 828         emit itemActivated(items.first());
 829     } else if (items.count() > 1) {
 830         emit itemsActivated(items);
 831     }
 832 }
 833
 834 void DolphinView::slotItemMiddleClicked(int index)
 835 {
 836     const KFileItem& item = m_model->fileItem(index);
 837     const KUrl& url = openItemAsFolderUrl(item);
 838     if (!url.isEmpty()) {
 839         emit tabRequested(url);
 840     } else if (isTabsForFilesEnabled()) {
 841         emit tabRequested(item.url());
 842     }
 843 }
 844
 845 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 846 {
 847     // Force emit of a selection changed signal before we request the
 848     // context menu, to update the edit-actions first. (See Bug 294013)
 849     if (m_selectionChangedTimer->isActive()) {
 850         emitSelectionChangedSignal();
 851     }
 852
 853     const KFileItem item = m_model->fileItem(index);
 854     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 855 }
 856
 857 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 858 {
 859     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 860 }
 861
 862 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 863 {
 864     ViewProperties props(viewPropertiesUrl());
 865
 866     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 867
 868     KItemListView* view = m_container->controller()->view();
 869     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 870
 871     bool nepomukRunning = false;
 872     bool indexingEnabled = false;
 873 #ifdef HAVE_NEPOMUK
 874     nepomukRunning = (Nepomuk2::ResourceManager::instance()->initialized());
 875     if (nepomukRunning) {
 876         KConfig config("nepomukserverrc");
 877         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
 878     }
 879 #endif
 880
 881     QString groupName;
 882     QMenu* groupMenu = 0;
 883
 884     // Add all roles to the menu that can be shown or hidden by the user
 885     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 886     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 887         if (info.role == "text") {
 888             // It should not be possible to hide the "text" role
 889             continue;
 890         }
 891
 892         const QString text = m_model->roleDescription(info.role);
 893         QAction* action = 0;
 894         if (info.group.isEmpty()) {
 895             action = menu->addAction(text);
 896         } else {
 897             if (!groupMenu || info.group != groupName) {
 898                 groupName = info.group;
 899                 groupMenu = menu->addMenu(groupName);
 900             }
 901
 902             action = groupMenu->addAction(text);
 903         }
 904
 905         action->setCheckable(true);
 906         action->setChecked(visibleRolesSet.contains(info.role));
 907         action->setData(info.role);
 908
 909         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 910                             (info.requiresNepomuk && nepomukRunning) ||
 911                             (info.requiresIndexer && indexingEnabled);
 912         action->setEnabled(enable);
 913     }
 914
 915     menu->addSeparator();
 916
 917     QActionGroup* widthsGroup = new QActionGroup(menu);
 918     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 919
 920     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 921     autoAdjustWidthsAction->setCheckable(true);
 922     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 923     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 924
 925     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 926     customWidthsAction->setCheckable(true);
 927     customWidthsAction->setChecked(!autoColumnWidths);
 928     customWidthsAction->setActionGroup(widthsGroup);
 929
 930     QAction* action = menu->exec(pos.toPoint());
 931     if (menu && action) {
 932         KItemListHeader* header = view->header();
 933
 934         if (action == autoAdjustWidthsAction) {
 935             // Clear the column-widths from the viewproperties and turn on
 936             // the automatic resizing of the columns
 937             props.setHeaderColumnWidths(QList<int>());
 938             header->setAutomaticColumnResizing(true);
 939         } else if (action == customWidthsAction) {
 940             // Apply the current column-widths as custom column-widths and turn
 941             // off the automatic resizing of the columns
 942             QList<int> columnWidths;
 943             foreach (const QByteArray& role, view->visibleRoles()) {
 944                 columnWidths.append(header->columnWidth(role));
 945             }
 946             props.setHeaderColumnWidths(columnWidths);
 947             header->setAutomaticColumnResizing(false);
 948         } else {
 949             // Show or hide the selected role
 950             const QByteArray selectedRole = action->data().toByteArray();
 951
 952             QList<QByteArray> visibleRoles = view->visibleRoles();
 953             if (action->isChecked()) {
 954                 visibleRoles.append(selectedRole);
 955             } else {
 956                 visibleRoles.removeOne(selectedRole);
 957             }
 958
 959             view->setVisibleRoles(visibleRoles);
 960             props.setVisibleRoles(visibleRoles);
 961
 962             QList<int> columnWidths;
 963             if (!header->automaticColumnResizing()) {
 964                 foreach (const QByteArray& role, view->visibleRoles()) {
 965                     columnWidths.append(header->columnWidth(role));
 966                 }
 967             }
 968             props.setHeaderColumnWidths(columnWidths);
 969         }
 970     }
 971
 972     delete menu;
 973 }
 974
 975 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 976 {
 977     Q_UNUSED(previous);
 978
 979     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 980
 981     ViewProperties props(viewPropertiesUrl());
 982     QList<int> columnWidths = props.headerColumnWidths();
 983     if (columnWidths.count() != visibleRoles.count()) {
 984         columnWidths.clear();
 985         columnWidths.reserve(visibleRoles.count());
 986         const KItemListHeader* header = m_view->header();
 987         foreach (const QByteArray& role, visibleRoles) {
 988             const int width = header->columnWidth(role);
 989             columnWidths.append(width);
 990         }
 991     }
 992
 993     const int roleIndex = visibleRoles.indexOf(role);
 994     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 995     columnWidths[roleIndex] = current;
 996
 997     props.setHeaderColumnWidths(columnWidths);
 998 }
 999
1000 void DolphinView::slotItemHovered(int index)
1001 {
1002     const KFileItem item = m_model->fileItem(index);
1003
1004     if (GeneralSettings::showToolTips() && !m_dragging) {
1005         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1006         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1007         itemRect.moveTo(pos);
1008
1009         m_toolTipManager->showToolTip(item, itemRect);
1010     }
1011
1012     emit requestItemInfo(item);
1013 }
1014
1015 void DolphinView::slotItemUnhovered(int index)
1016 {
1017     Q_UNUSED(index);
1018     hideToolTip();
1019     emit requestItemInfo(KFileItem());
1020 }
1021
1022 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1023 {
1024     KUrl destUrl;
1025     KFileItem destItem = m_model->fileItem(index);
1026     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1027         // Use the URL of the view as drop target if the item is no directory
1028         // or desktop-file
1029         destItem = m_model->rootItem();
1030         destUrl = url();
1031     } else {
1032         // The item represents a directory or desktop-file
1033         destUrl = destItem.url();
1034     }
1035
1036     QDropEvent dropEvent(event->pos().toPoint(),
1037                          event->possibleActions(),
1038                          event->mimeData(),
1039                          event->buttons(),
1040                          event->modifiers());
1041
1042     QString error;
1043     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1044     if (!error.isEmpty()) {
1045         emit infoMessage(error);
1046     }
1047
1048     if (op && destUrl == url()) {
1049         // Mark the dropped urls as selected.
1050         m_clearSelectionBeforeSelectingNewItems = true;
1051         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1052     }
1053
1054     setActive(true);
1055 }
1056
1057 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1058 {
1059     if (previous != 0) {
1060         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1061         m_versionControlObserver->setModel(0);
1062     }
1063
1064     if (current) {
1065         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1066         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1067
1068         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1069         m_versionControlObserver->setModel(fileItemModel);
1070     }
1071 }
1072
1073 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1074 {
1075     hideToolTip();
1076
1077     if (itemIndex < 0) {
1078         // Trigger the history navigation only when clicking on the viewport:
1079         // Above an item the XButtons provide a simple way to select items in
1080         // the singleClick mode.
1081         if (buttons & Qt::XButton1) {
1082             emit goBackRequested();
1083         } else if (buttons & Qt::XButton2) {
1084             emit goForwardRequested();
1085         }
1086     }
1087 }
1088
1089 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1090 {
1091     if (!urls.isEmpty()) {
1092         if (m_markFirstNewlySelectedItemAsCurrent) {
1093             markUrlAsCurrent(urls.first());
1094             m_markFirstNewlySelectedItemAsCurrent = false;
1095         }
1096         m_selectedUrls << KDirModel::simplifiedUrlList(urls);
1097     }
1098 }
1099
1100 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1101 {
1102     const int currentCount = current.count();
1103     const int previousCount = previous.count();
1104     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1105                                        (currentCount >  0 && previousCount == 0);
1106
1107     // If nothing has been selected before and something got selected (or if something
1108     // was selected before and now nothing is selected) the selectionChangedSignal must
1109     // be emitted asynchronously as fast as possible to update the edit-actions.
1110     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1111     m_selectionChangedTimer->start();
1112 }
1113
1114 void DolphinView::emitSelectionChangedSignal()
1115 {
1116     m_selectionChangedTimer->stop();
1117     emit selectionChanged(selectedItems());
1118 }
1119
1120 void DolphinView::updateSortRole(const QByteArray& role)
1121 {
1122     ViewProperties props(viewPropertiesUrl());
1123     props.setSortRole(role);
1124
1125     KItemModelBase* model = m_container->controller()->model();
1126     model->setSortRole(role);
1127
1128     emit sortRoleChanged(role);
1129 }
1130
1131 void DolphinView::updateSortOrder(Qt::SortOrder order)
1132 {
1133     ViewProperties props(viewPropertiesUrl());
1134     props.setSortOrder(order);
1135
1136     m_model->setSortOrder(order);
1137
1138     emit sortOrderChanged(order);
1139 }
1140
1141 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1142 {
1143     ViewProperties props(viewPropertiesUrl());
1144     props.setSortFoldersFirst(foldersFirst);
1145
1146     m_model->setSortDirectoriesFirst(foldersFirst);
1147
1148     emit sortFoldersFirstChanged(foldersFirst);
1149 }
1150
1151 QPair<bool, QString> DolphinView::pasteInfo() const
1152 {
1153     return KonqOperations::pasteInfo(url());
1154 }
1155
1156 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1157 {
1158     m_tabsForFiles = tabsForFiles;
1159 }
1160
1161 bool DolphinView::isTabsForFilesEnabled() const
1162 {
1163     return m_tabsForFiles;
1164 }
1165
1166 bool DolphinView::itemsExpandable() const
1167 {
1168     return m_mode == DetailsView;
1169 }
1170
1171 void DolphinView::restoreState(QDataStream& stream)
1172 {
1173     // Restore the current item that had the keyboard focus
1174     stream >> m_currentItemUrl;
1175
1176     // Restore the view position
1177     stream >> m_restoredContentsPosition;
1178
1179     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1180     QSet<KUrl> urls;
1181     stream >> urls;
1182     m_model->restoreExpandedDirectories(urls);
1183 }
1184
1185 void DolphinView::saveState(QDataStream& stream)
1186 {
1187     // Save the current item that has the keyboard focus
1188     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1189     if (currentIndex != -1) {
1190         KFileItem item = m_model->fileItem(currentIndex);
1191         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1192         KUrl currentItemUrl = item.url();
1193         stream << currentItemUrl;
1194     } else {
1195         stream << KUrl();
1196     }
1197
1198     // Save view position
1199     const qreal x = m_container->horizontalScrollBar()->value();
1200     const qreal y = m_container->verticalScrollBar()->value();
1201     stream << QPoint(x, y);
1202
1203     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1204     stream << m_model->expandedDirectories();
1205 }
1206
1207 KFileItem DolphinView::rootItem() const
1208 {
1209     return m_model->rootItem();
1210 }
1211
1212 void DolphinView::setViewPropertiesContext(const QString& context)
1213 {
1214     m_viewPropertiesContext = context;
1215 }
1216
1217 QString DolphinView::viewPropertiesContext() const
1218 {
1219     return m_viewPropertiesContext;
1220 }
1221
1222 KUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1223 {
1224     if (item.isNull()) {
1225         return KUrl();
1226     }
1227
1228     KUrl url = item.targetUrl();
1229
1230     if (item.isDir()) {
1231         return url;
1232     }
1233
1234     if (item.isMimeTypeKnown()) {
1235         const QString& mimetype = item.mimetype();
1236
1237         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1238             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1239             // zip:/<path>/ when clicking on a zip file, etc.
1240             // The .protocol file specifies the mimetype that the kioslave handles.
1241             // Note that we don't use mimetype inheritance since we don't want to
1242             // open OpenDocument files as zip folders...
1243             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1244             if (!protocol.isEmpty()) {
1245                 url.setProtocol(protocol);
1246                 return url;
1247             }
1248         }
1249
1250         if (mimetype == QLatin1String("application/x-desktop")) {
1251             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1252             KDesktopFile desktopFile(url.toLocalFile());
1253             if (desktopFile.hasLinkType()) {
1254                 const QString linkUrl = desktopFile.readUrl();
1255                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1256                     return linkUrl;
1257                 }
1258             }
1259         }
1260     }
1261
1262     return KUrl();
1263 }
1264
1265 void DolphinView::observeCreatedItem(const KUrl& url)
1266 {
1267     if (m_active) {
1268         clearSelection();
1269         markUrlAsCurrent(url);
1270         markUrlsAsSelected(QList<KUrl>() << url);
1271     }
1272 }
1273
1274 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1275 {
1276     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1277         emit redirection(oldUrl, newUrl);
1278         m_url = newUrl; // #186947
1279     }
1280 }
1281
1282 void DolphinView::updateViewState()
1283 {
1284     if (m_currentItemUrl != KUrl()) {
1285         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1286         const int currentIndex = m_model->index(m_currentItemUrl);
1287         if (currentIndex != -1) {
1288             selectionManager->setCurrentItem(currentIndex);
1289
1290             // scroll to current item and reset the state
1291             if (m_scrollToCurrentItem) {
1292                 m_view->scrollToItem(currentIndex);
1293                 m_scrollToCurrentItem = false;
1294             }
1295
1296             m_currentItemUrl = KUrl();
1297         } else {
1298             selectionManager->setCurrentItem(0);
1299         }
1300     }
1301
1302     if (!m_restoredContentsPosition.isNull()) {
1303         const int x = m_restoredContentsPosition.x();
1304         const int y = m_restoredContentsPosition.y();
1305         m_restoredContentsPosition = QPoint();
1306
1307         m_container->horizontalScrollBar()->setValue(x);
1308         m_container->verticalScrollBar()->setValue(y);
1309     }
1310
1311     if (!m_selectedUrls.isEmpty()) {
1312         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1313
1314         if (m_clearSelectionBeforeSelectingNewItems) {
1315             selectionManager->clearSelection();
1316             m_clearSelectionBeforeSelectingNewItems = false;
1317         }
1318
1319         KItemSet selectedItems = selectionManager->selectedItems();
1320
1321         QList<KUrl>::iterator it = m_selectedUrls.begin();
1322         while (it != m_selectedUrls.end()) {
1323             const int index = m_model->index(*it);
1324             if (index >= 0) {
1325                 selectedItems.insert(index);
1326                 it = m_selectedUrls.erase(it);
1327             } else {
1328                  ++it;
1329             }
1330         }
1331
1332         selectionManager->setSelectedItems(selectedItems);
1333     }
1334 }
1335
1336 void DolphinView::hideToolTip()
1337 {
1338     if (GeneralSettings::showToolTips()) {
1339         m_toolTipManager->hideToolTip();
1340     }
1341 }
1342
1343 void DolphinView::calculateItemCount(int& fileCount,
1344                                      int& folderCount,
1345                                      KIO::filesize_t& totalFileSize) const
1346 {
1347     const int itemCount = m_model->count();
1348     for (int i = 0; i < itemCount; ++i) {
1349         const KFileItem item = m_model->fileItem(i);
1350         if (item.isDir()) {
1351             ++folderCount;
1352         } else {
1353             ++fileCount;
1354             totalFileSize += item.size();
1355         }
1356     }
1357 }
1358
1359 void DolphinView::showHoverInformation(const KFileItem& item)
1360 {
1361     emit requestItemInfo(item);
1362 }
1363
1364 void DolphinView::clearHoverInformation()
1365 {
1366     emit requestItemInfo(KFileItem());
1367 }
1368
1369 void DolphinView::slotDeleteFileFinished(KJob* job)
1370 {
1371     if (job->error() == 0) {
1372         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1373     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1374         emit errorMessage(job->errorString());
1375     }
1376 }
1377
1378 void DolphinView::slotRenamingFailed(const KUrl& oldUrl, const KUrl& newUrl)
1379 {
1380     const int index = m_model->index(newUrl);
1381     if (index >= 0) {
1382         QHash<QByteArray, QVariant> data;
1383         data.insert("text", oldUrl.fileName());
1384         m_model->setData(index, data);
1385     }
1386 }
1387
1388 void DolphinView::slotDirectoryLoadingStarted()
1389 {
1390     // Disable the writestate temporary until it can be determined in a fast way
1391     // in DolphinView::slotLoadingCompleted()
1392     if (m_isFolderWritable) {
1393         m_isFolderWritable = false;
1394         emit writeStateChanged(m_isFolderWritable);
1395     }
1396
1397     emit directoryLoadingStarted();
1398 }
1399
1400 void DolphinView::slotDirectoryLoadingCompleted()
1401 {
1402     // Update the view-state. This has to be done asynchronously
1403     // because the view might not be in its final state yet.
1404     QTimer::singleShot(0, this, SLOT(updateViewState()));
1405
1406     emit directoryLoadingCompleted();
1407
1408     updateWritableState();
1409 }
1410
1411 void DolphinView::slotItemsChanged()
1412 {
1413     m_assureVisibleCurrentIndex = false;
1414 }
1415
1416 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1417 {
1418     Q_UNUSED(previous);
1419     Q_ASSERT(m_model->sortOrder() == current);
1420
1421     ViewProperties props(viewPropertiesUrl());
1422     props.setSortOrder(current);
1423
1424     emit sortOrderChanged(current);
1425 }
1426
1427 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1428 {
1429     Q_UNUSED(previous);
1430     Q_ASSERT(m_model->sortRole() == current);
1431
1432     ViewProperties props(viewPropertiesUrl());
1433     props.setSortRole(current);
1434
1435     emit sortRoleChanged(current);
1436 }
1437
1438 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1439                                                   const QList<QByteArray>& previous)
1440 {
1441     Q_UNUSED(previous);
1442     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1443
1444     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1445
1446     m_visibleRoles = current;
1447
1448     ViewProperties props(viewPropertiesUrl());
1449     props.setVisibleRoles(m_visibleRoles);
1450
1451     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1452 }
1453
1454 void DolphinView::slotRoleEditingCanceled()
1455 {
1456     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1457                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1458 }
1459
1460 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1461 {
1462     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1463                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1464
1465     if (index < 0 || index >= m_model->count()) {
1466         return;
1467     }
1468
1469     if (role == "text") {
1470         const KFileItem oldItem = m_model->fileItem(index);
1471         const QString newName = value.toString();
1472         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1473             const KUrl oldUrl = oldItem.url();
1474
1475             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1476             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1477             if (!newNameExistsAlready) {
1478                 // Only change the data in the model if no item with the new name
1479                 // is in the model yet. If there is an item with the new name
1480                 // already, calling KonqOperations::rename() will open a dialog
1481                 // asking for a new name, and KFileItemModel will update the
1482                 // data when the dir lister signals that the file name has changed.
1483                 QHash<QByteArray, QVariant> data;
1484                 data.insert(role, value);
1485                 m_model->setData(index, data);
1486             }
1487
1488             KonqOperations* op = KonqOperations::renameV2(this, oldUrl, newName);
1489             if (op) {
1490                 connect(op, SIGNAL(renamingFailed(KUrl,KUrl)), SLOT(slotRenamingFailed(KUrl,KUrl)));
1491             }
1492         }
1493     }
1494 }
1495
1496 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1497 {
1498     if (!url.isValid()) {
1499         const QString location(url.pathOrUrl());
1500         if (location.isEmpty()) {
1501             emit errorMessage(i18nc("@info:status", "The location is empty."));
1502         } else {
1503             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1504         }
1505         return;
1506     }
1507
1508     if (reload) {
1509         m_model->refreshDirectory(url);
1510     } else {
1511         m_model->loadDirectory(url);
1512     }
1513 }
1514
1515 void DolphinView::applyViewProperties()
1516 {
1517     const ViewProperties props(viewPropertiesUrl());
1518     applyViewProperties(props);
1519 }
1520
1521 void DolphinView::applyViewProperties(const ViewProperties& props)
1522 {
1523     m_view->beginTransaction();
1524
1525     const Mode mode = props.viewMode();
1526     if (m_mode != mode) {
1527         const Mode previousMode = m_mode;
1528         m_mode = mode;
1529
1530         // Changing the mode might result in changing
1531         // the zoom level. Remember the old zoom level so
1532         // that zoomLevelChanged() can get emitted.
1533         const int oldZoomLevel = m_view->zoomLevel();
1534         applyModeToView();
1535
1536         emit modeChanged(m_mode, previousMode);
1537
1538         if (m_view->zoomLevel() != oldZoomLevel) {
1539             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1540         }
1541     }
1542
1543     const bool hiddenFilesShown = props.hiddenFilesShown();
1544     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1545         m_model->setShowHiddenFiles(hiddenFilesShown);
1546         emit hiddenFilesShownChanged(hiddenFilesShown);
1547     }
1548
1549     const bool groupedSorting = props.groupedSorting();
1550     if (groupedSorting != m_model->groupedSorting()) {
1551         m_model->setGroupedSorting(groupedSorting);
1552         emit groupedSortingChanged(groupedSorting);
1553     }
1554
1555     const QByteArray sortRole = props.sortRole();
1556     if (sortRole != m_model->sortRole()) {
1557         m_model->setSortRole(sortRole);
1558         emit sortRoleChanged(sortRole);
1559     }
1560
1561     const Qt::SortOrder sortOrder = props.sortOrder();
1562     if (sortOrder != m_model->sortOrder()) {
1563         m_model->setSortOrder(sortOrder);
1564         emit sortOrderChanged(sortOrder);
1565     }
1566
1567     const bool sortFoldersFirst = props.sortFoldersFirst();
1568     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1569         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1570         emit sortFoldersFirstChanged(sortFoldersFirst);
1571     }
1572
1573     const QList<QByteArray> visibleRoles = props.visibleRoles();
1574     if (visibleRoles != m_visibleRoles) {
1575         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1576         m_visibleRoles = visibleRoles;
1577         m_view->setVisibleRoles(visibleRoles);
1578         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1579     }
1580
1581     const bool previewsShown = props.previewsShown();
1582     if (previewsShown != m_view->previewsShown()) {
1583         const int oldZoomLevel = zoomLevel();
1584
1585         m_view->setPreviewsShown(previewsShown);
1586         emit previewsShownChanged(previewsShown);
1587
1588         // Changing the preview-state might result in a changed zoom-level
1589         if (oldZoomLevel != zoomLevel()) {
1590             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1591         }
1592     }
1593
1594     KItemListView* itemListView = m_container->controller()->view();
1595     if (itemListView->isHeaderVisible()) {
1596         KItemListHeader* header = itemListView->header();
1597         const QList<int> headerColumnWidths = props.headerColumnWidths();
1598         const int rolesCount = m_visibleRoles.count();
1599         if (headerColumnWidths.count() == rolesCount) {
1600             header->setAutomaticColumnResizing(false);
1601
1602             QHash<QByteArray, qreal> columnWidths;
1603             for (int i = 0; i < rolesCount; ++i) {
1604                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1605             }
1606             header->setColumnWidths(columnWidths);
1607         } else {
1608             header->setAutomaticColumnResizing(true);
1609         }
1610     }
1611
1612     m_view->endTransaction();
1613 }
1614
1615 void DolphinView::applyModeToView()
1616 {
1617     switch (m_mode) {
1618     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1619     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1620     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1621     default: Q_ASSERT(false); break;
1622     }
1623 }
1624
1625 void DolphinView::pasteToUrl(const KUrl& url)
1626 {
1627     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1628     if (op) {
1629         m_clearSelectionBeforeSelectingNewItems = true;
1630         m_markFirstNewlySelectedItemAsCurrent = true;
1631         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1632     }
1633 }
1634
1635 KUrl::List DolphinView::simplifiedSelectedUrls() const
1636 {
1637     KUrl::List urls;
1638
1639     const KFileItemList items = selectedItems();
1640     foreach (const KFileItem& item, items) {
1641         urls.append(item.url());
1642     }
1643
1644     if (itemsExpandable()) {
1645         // TODO: Check if we still need KDirModel for this in KDE 5.0
1646         urls = KDirModel::simplifiedUrlList(urls);
1647     }
1648
1649     return urls;
1650 }
1651
1652 QMimeData* DolphinView::selectionMimeData() const
1653 {
1654     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1655     const KItemSet selectedIndexes = selectionManager->selectedItems();
1656
1657     return m_model->createMimeData(selectedIndexes);
1658 }
1659
1660 void DolphinView::updateWritableState()
1661 {
1662     const bool wasFolderWritable = m_isFolderWritable;
1663     m_isFolderWritable = false;
1664
1665     const KFileItem item = m_model->rootItem();
1666     if (!item.isNull()) {
1667         KFileItemListProperties capabilities(KFileItemList() << item);
1668         m_isFolderWritable = capabilities.supportsWriting();
1669     }
1670     if (m_isFolderWritable != wasFolderWritable) {
1671         emit writeStateChanged(m_isFolderWritable);
1672     }
1673 }
1674
1675 KUrl DolphinView::viewPropertiesUrl() const
1676 {
1677     if (m_viewPropertiesContext.isEmpty()) {
1678         return m_url;
1679     }
1680
1681     KUrl url;
1682     url.setProtocol(m_url.protocol());
1683     url.setPath(m_viewPropertiesContext);
1684     return url;
1685 }
1686
1687 #include "dolphinview.moc"