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