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_restoredContentsPosition(),
 102     m_createdItemUrl(),
 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 }
 367
 368 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 369 {
 370     const KItemListSelectionManager::SelectionMode mode = enabled
 371                                                         ? KItemListSelectionManager::Select
 372                                                         : KItemListSelectionManager::Deselect;
 373     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 374
 375     for (int index = 0; index < m_model->count(); index++) {
 376         const KFileItem item = m_model->fileItem(index);
 377         if (pattern.exactMatch(item.text())) {
 378             // An alternative approach would be to store the matching items in a QSet<int> and
 379             // select them in one go after the loop, but we'd need a new function
 380             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 381             // for that.
 382             selectionManager->setSelected(index, 1, mode);
 383         }
 384     }
 385 }
 386
 387 void DolphinView::setZoomLevel(int level)
 388 {
 389     const int oldZoomLevel = zoomLevel();
 390     m_view->setZoomLevel(level);
 391     if (zoomLevel() != oldZoomLevel) {
 392         hideToolTip();
 393         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 394     }
 395 }
 396
 397 int DolphinView::zoomLevel() const
 398 {
 399     return m_view->zoomLevel();
 400 }
 401
 402 void DolphinView::setSortRole(const QByteArray& role)
 403 {
 404     if (role != sortRole()) {
 405         updateSortRole(role);
 406     }
 407 }
 408
 409 QByteArray DolphinView::sortRole() const
 410 {
 411     const KItemModelBase* model = m_container->controller()->model();
 412     return model->sortRole();
 413 }
 414
 415 void DolphinView::setSortOrder(Qt::SortOrder order)
 416 {
 417     if (sortOrder() != order) {
 418         updateSortOrder(order);
 419     }
 420 }
 421
 422 Qt::SortOrder DolphinView::sortOrder() const
 423 {
 424     return m_model->sortOrder();
 425 }
 426
 427 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 428 {
 429     if (sortFoldersFirst() != foldersFirst) {
 430         updateSortFoldersFirst(foldersFirst);
 431     }
 432 }
 433
 434 bool DolphinView::sortFoldersFirst() const
 435 {
 436     return m_model->sortDirectoriesFirst();
 437 }
 438
 439 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 440 {
 441     const QList<QByteArray> previousRoles = roles;
 442
 443     ViewProperties props(viewPropertiesUrl());
 444     props.setVisibleRoles(roles);
 445
 446     m_visibleRoles = roles;
 447     m_view->setVisibleRoles(roles);
 448
 449     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 450 }
 451
 452 QList<QByteArray> DolphinView::visibleRoles() const
 453 {
 454     return m_visibleRoles;
 455 }
 456
 457 void DolphinView::reload()
 458 {
 459     QByteArray viewState;
 460     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 461     saveState(saveStream);
 462
 463     const KFileItemList itemList = selectedItems();
 464     m_selectedUrls.clear();
 465     m_selectedUrls = itemList.urlList();
 466
 467     setUrl(url());
 468     loadDirectory(url(), true);
 469
 470     QDataStream restoreStream(viewState);
 471     restoreState(restoreStream);
 472 }
 473
 474 void DolphinView::stopLoading()
 475 {
 476     m_model->cancelDirectoryLoading();
 477 }
 478
 479 void DolphinView::readSettings()
 480 {
 481     const int oldZoomLevel = m_view->zoomLevel();
 482
 483     GeneralSettings::self()->readConfig();
 484     m_view->readSettings();
 485     applyViewProperties();
 486
 487     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 488     m_container->controller()->setAutoActivationDelay(delay);
 489
 490     const int newZoomLevel = m_view->zoomLevel();
 491     if (newZoomLevel != oldZoomLevel) {
 492         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 493     }
 494 }
 495
 496 void DolphinView::writeSettings()
 497 {
 498     GeneralSettings::self()->writeConfig();
 499     m_view->writeSettings();
 500 }
 501
 502 void DolphinView::setNameFilter(const QString& nameFilter)
 503 {
 504     m_model->setNameFilter(nameFilter);
 505 }
 506
 507 QString DolphinView::nameFilter() const
 508 {
 509     return m_model->nameFilter();
 510 }
 511
 512 QString DolphinView::statusBarText() const
 513 {
 514     QString summary;
 515     QString foldersText;
 516     QString filesText;
 517
 518     int folderCount = 0;
 519     int fileCount = 0;
 520     KIO::filesize_t totalFileSize = 0;
 521
 522     if (m_container->controller()->selectionManager()->hasSelection()) {
 523         // Give a summary of the status of the selected files
 524         const KFileItemList list = selectedItems();
 525         foreach (const KFileItem& item, list) {
 526             if (item.isDir()) {
 527                 ++folderCount;
 528             } else {
 529                 ++fileCount;
 530                 totalFileSize += item.size();
 531             }
 532         }
 533
 534         if (folderCount + fileCount == 1) {
 535             // If only one item is selected, show the filename
 536             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 537         } else {
 538             // At least 2 items are selected
 539             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 540             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 541         }
 542     } else {
 543         calculateItemCount(fileCount, folderCount, totalFileSize);
 544         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 545         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 546     }
 547
 548     if (fileCount > 0 && folderCount > 0) {
 549         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 550                         foldersText, filesText,
 551                         KGlobal::locale()->formatByteSize(totalFileSize));
 552     } else if (fileCount > 0) {
 553         summary = i18nc("@info:status files (size)", "%1 (%2)",
 554                         filesText,
 555                         KGlobal::locale()->formatByteSize(totalFileSize));
 556     } else if (folderCount > 0) {
 557         summary = foldersText;
 558     } else {
 559         summary = i18nc("@info:status", "0 Folders, 0 Files");
 560     }
 561
 562     return summary;
 563 }
 564
 565 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 566 {
 567     QList<QAction*> actions;
 568
 569     if (items.isEmpty()) {
 570         const KFileItem item = m_model->rootItem();
 571         if (!item.isNull()) {
 572             actions = m_versionControlObserver->actions(KFileItemList() << item);
 573         }
 574     } else {
 575         actions = m_versionControlObserver->actions(items);
 576     }
 577
 578     return actions;
 579 }
 580
 581 void DolphinView::setUrl(const KUrl& url)
 582 {
 583     if (url == m_url) {
 584         return;
 585     }
 586
 587     emit urlAboutToBeChanged(url);
 588     m_url = url;
 589
 590     hideToolTip();
 591
 592     // It is important to clear the items from the model before
 593     // applying the view properties, otherwise expensive operations
 594     // might be done on the existing items although they get cleared
 595     // anyhow afterwards by loadDirectory().
 596     m_model->clear();
 597     applyViewProperties();
 598     loadDirectory(url);
 599
 600     emit urlChanged(url);
 601 }
 602
 603 void DolphinView::selectAll()
 604 {
 605     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 606     selectionManager->setSelected(0, m_model->count());
 607 }
 608
 609 void DolphinView::invertSelection()
 610 {
 611     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 612     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 613 }
 614
 615 void DolphinView::clearSelection()
 616 {
 617     m_container->controller()->selectionManager()->clearSelection();
 618 }
 619
 620 void DolphinView::renameSelectedItems()
 621 {
 622     const KFileItemList items = selectedItems();
 623      if (items.isEmpty()) {
 624          return;
 625      }
 626
 627      if (items.count() == 1) {
 628          const int index = m_model->index(items.first());
 629          m_view->editRole(index, "text");
 630      } else {
 631          RenameDialog* dialog = new RenameDialog(this, items);
 632          dialog->setAttribute(Qt::WA_DeleteOnClose);
 633          dialog->show();
 634          dialog->raise();
 635          dialog->activateWindow();
 636      }
 637
 638      // Assure that the current index remains visible when KFileItemModel
 639      // will notify the view about changed items (which might result in
 640      // a changed sorting).
 641      m_assureVisibleCurrentIndex = true;
 642 }
 643
 644 void DolphinView::trashSelectedItems()
 645 {
 646     const KUrl::List list = simplifiedSelectedUrls();
 647     KonqOperations::del(this, KonqOperations::TRASH, list);
 648 }
 649
 650 void DolphinView::deleteSelectedItems()
 651 {
 652     const KUrl::List list = simplifiedSelectedUrls();
 653     const bool del = KonqOperations::askDeleteConfirmation(list,
 654                      KonqOperations::DEL,
 655                      KonqOperations::DEFAULT_CONFIRMATION,
 656                      this);
 657
 658     if (del) {
 659         KIO::Job* job = KIO::del(list);
 660         if (job->ui()) {
 661             job->ui()->setWindow(this);
 662         }
 663         connect(job, SIGNAL(result(KJob*)),
 664                 this, SLOT(slotDeleteFileFinished(KJob*)));
 665     }
 666 }
 667
 668 void DolphinView::cutSelectedItems()
 669 {
 670     QMimeData* mimeData = selectionMimeData();
 671     KonqMimeData::addIsCutSelection(mimeData, true);
 672     QApplication::clipboard()->setMimeData(mimeData);
 673 }
 674
 675 void DolphinView::copySelectedItems()
 676 {
 677     QMimeData* mimeData = selectionMimeData();
 678     QApplication::clipboard()->setMimeData(mimeData);
 679 }
 680
 681 void DolphinView::paste()
 682 {
 683     pasteToUrl(url());
 684 }
 685
 686 void DolphinView::pasteIntoFolder()
 687 {
 688     const KFileItemList items = selectedItems();
 689     if ((items.count() == 1) && items.first().isDir()) {
 690         pasteToUrl(items.first().url());
 691     }
 692 }
 693
 694 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 695 {
 696     switch (event->type()) {
 697     case QEvent::FocusIn:
 698         if (watched == m_container) {
 699             setActive(true);
 700         }
 701         break;
 702
 703     case QEvent::GraphicsSceneDragEnter:
 704         if (watched == m_view) {
 705             m_dragging = true;
 706         }
 707         break;
 708
 709     case QEvent::GraphicsSceneDragLeave:
 710         if (watched == m_view) {
 711             m_dragging = false;
 712         }
 713         break;
 714
 715     case QEvent::GraphicsSceneDrop:
 716         if (watched == m_view) {
 717             m_dragging = false;
 718         }
 719     default:
 720         break;
 721     }
 722
 723     return QWidget::eventFilter(watched, event);
 724 }
 725
 726 void DolphinView::wheelEvent(QWheelEvent* event)
 727 {
 728     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 729         const int numDegrees = event->delta() / 8;
 730         const int numSteps = numDegrees / 15;
 731
 732         setZoomLevel(zoomLevel() + numSteps);
 733         event->accept();
 734     } else {
 735         event->ignore();
 736     }
 737 }
 738
 739 void DolphinView::hideEvent(QHideEvent* event)
 740 {
 741     hideToolTip();
 742     QWidget::hideEvent(event);
 743 }
 744
 745 void DolphinView::activate()
 746 {
 747     setActive(true);
 748 }
 749
 750 void DolphinView::slotItemActivated(int index)
 751 {
 752     const KFileItem item = m_model->fileItem(index);
 753     if (!item.isNull()) {
 754         emit itemActivated(item);
 755     }
 756 }
 757
 758 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 759 {
 760     Q_ASSERT(indexes.count() >= 2);
 761
 762     KFileItemList items;
 763
 764     QSetIterator<int> it(indexes);
 765     while (it.hasNext()) {
 766         const int index = it.next();
 767         items.append(m_model->fileItem(index));
 768     }
 769
 770     if (items.count() > 5) {
 771         QString question = QString("Are you sure you want to open %1 items?").arg(items.count());
 772         const int answer = KMessageBox::warningYesNo(this, question);
 773         if (answer != KMessageBox::Yes) {
 774             return;
 775         }
 776     }
 777
 778     foreach (const KFileItem& item, items) {
 779         if (item.isDir()) {
 780             emit tabRequested(item.url());
 781         } else {
 782             emit itemActivated(item);
 783         }
 784     }
 785 }
 786
 787 void DolphinView::slotItemMiddleClicked(int index)
 788 {
 789     const KFileItem item = m_model->fileItem(index);
 790     if (item.isDir() || isTabsForFilesEnabled()) {
 791         emit tabRequested(item.url());
 792     }
 793 }
 794
 795 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 796 {
 797     const KFileItem item = m_model->fileItem(index);
 798     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 799 }
 800
 801 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 802 {
 803     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 804 }
 805
 806 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 807 {
 808     ViewProperties props(viewPropertiesUrl());
 809
 810     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 811
 812     KItemListView* view = m_container->controller()->view();
 813     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 814
 815     bool nepomukRunning = false;
 816     bool indexingEnabled = false;
 817 #ifdef HAVE_NEPOMUK
 818     nepomukRunning = (Nepomuk::ResourceManager::instance()->initialized());
 819     if (nepomukRunning) {
 820         KConfig config("nepomukserverrc");
 821         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", false);
 822     }
 823 #endif
 824
 825     QString groupName;
 826     QMenu* groupMenu = 0;
 827
 828     // Add all roles to the menu that can be shown or hidden by the user
 829     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 830     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 831         if (info.role == "text") {
 832             // It should not be possible to hide the "text" role
 833             continue;
 834         }
 835
 836         const QString text = m_model->roleDescription(info.role);
 837         QAction* action = 0;
 838         if (info.group.isEmpty()) {
 839             action = menu->addAction(text);
 840         } else {
 841             if (!groupMenu || info.group != groupName) {
 842                 groupName = info.group;
 843                 groupMenu = menu->addMenu(groupName);
 844             }
 845
 846             action = groupMenu->addAction(text);
 847         }
 848
 849         action->setCheckable(true);
 850         action->setChecked(visibleRolesSet.contains(info.role));
 851         action->setData(info.role);
 852
 853         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 854                             (info.requiresNepomuk && nepomukRunning) ||
 855                             (info.requiresIndexer && indexingEnabled);
 856         action->setEnabled(enable);
 857     }
 858
 859     menu->addSeparator();
 860
 861     QActionGroup* widthsGroup = new QActionGroup(menu);
 862     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 863
 864     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 865     autoAdjustWidthsAction->setCheckable(true);
 866     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 867     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 868
 869     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 870     customWidthsAction->setCheckable(true);
 871     customWidthsAction->setChecked(!autoColumnWidths);
 872     customWidthsAction->setActionGroup(widthsGroup);
 873
 874     QAction* action = menu->exec(pos.toPoint());
 875     if (menu && action) {
 876         KItemListHeader* header = view->header();
 877
 878         if (action == autoAdjustWidthsAction) {
 879             // Clear the column-widths from the viewproperties and turn on
 880             // the automatic resizing of the columns
 881             props.setHeaderColumnWidths(QList<int>());
 882             header->setAutomaticColumnResizing(true);
 883         } else if (action == customWidthsAction) {
 884             // Apply the current column-widths as custom column-widths and turn
 885             // off the automatic resizing of the columns
 886             QList<int> columnWidths;
 887             foreach (const QByteArray& role, view->visibleRoles()) {
 888                 columnWidths.append(header->columnWidth(role));
 889             }
 890             props.setHeaderColumnWidths(columnWidths);
 891             header->setAutomaticColumnResizing(false);
 892         } else {
 893             // Show or hide the selected role
 894             const QByteArray selectedRole = action->data().toByteArray();
 895
 896             QList<QByteArray> visibleRoles = view->visibleRoles();
 897             if (action->isChecked()) {
 898                 visibleRoles.append(selectedRole);
 899             } else {
 900                 visibleRoles.removeOne(selectedRole);
 901             }
 902
 903             view->setVisibleRoles(visibleRoles);
 904             props.setVisibleRoles(visibleRoles);
 905
 906             QList<int> columnWidths;
 907             if (!header->automaticColumnResizing()) {
 908                 foreach (const QByteArray& role, view->visibleRoles()) {
 909                     columnWidths.append(header->columnWidth(role));
 910                 }
 911             }
 912             props.setHeaderColumnWidths(columnWidths);
 913         }
 914     }
 915
 916     delete menu;
 917 }
 918
 919 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 920 {
 921     Q_UNUSED(previous);
 922
 923     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 924
 925     ViewProperties props(viewPropertiesUrl());
 926     QList<int> columnWidths = props.headerColumnWidths();
 927     if (columnWidths.count() != visibleRoles.count()) {
 928         columnWidths.clear();
 929         columnWidths.reserve(visibleRoles.count());
 930         const KItemListHeader* header = m_view->header();
 931         foreach (const QByteArray& role, visibleRoles) {
 932             const int width = header->columnWidth(role);
 933             columnWidths.append(width);
 934         }
 935     }
 936
 937     const int roleIndex = visibleRoles.indexOf(role);
 938     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 939     columnWidths[roleIndex] = current;
 940
 941     props.setHeaderColumnWidths(columnWidths);
 942 }
 943
 944 void DolphinView::slotItemHovered(int index)
 945 {
 946     const KFileItem item = m_model->fileItem(index);
 947
 948     if (GeneralSettings::showToolTips() && !m_dragging) {
 949         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 950         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 951         itemRect.moveTo(pos);
 952
 953         m_toolTipManager->showToolTip(item, itemRect);
 954     }
 955
 956     emit requestItemInfo(item);
 957 }
 958
 959 void DolphinView::slotItemUnhovered(int index)
 960 {
 961     Q_UNUSED(index);
 962     hideToolTip();
 963     emit requestItemInfo(KFileItem());
 964 }
 965
 966 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 967 {
 968     KUrl destUrl;
 969     KFileItem destItem = m_model->fileItem(index);
 970     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
 971         // Use the URL of the view as drop target if the item is no directory
 972         // or desktop-file
 973         destItem = m_model->rootItem();
 974         destUrl = url();
 975     } else {
 976         // The item represents a directory or desktop-file
 977         destUrl = destItem.url();
 978     }
 979
 980     QDropEvent dropEvent(event->pos().toPoint(),
 981                          event->possibleActions(),
 982                          event->mimeData(),
 983                          event->buttons(),
 984                          event->modifiers());
 985
 986     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
 987     if (!error.isEmpty()) {
 988         emit errorMessage(error);
 989     }
 990
 991     if (destUrl == url()) {
 992         // Mark the dropped urls as selected.
 993         markPastedUrlsAsSelected(event->mimeData());
 994     }
 995 }
 996
 997 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 998 {
 999     if (previous != 0) {
1000         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1001         m_versionControlObserver->setModel(0);
1002     }
1003
1004     if (current) {
1005         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1006         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1007
1008         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1009         m_versionControlObserver->setModel(fileItemModel);
1010     }
1011 }
1012
1013 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1014 {
1015     hideToolTip();
1016
1017     if (itemIndex < 0) {
1018         // Trigger the history navigation only when clicking on the viewport:
1019         // Above an item the XButtons provide a simple way to select items in
1020         // the singleClick mode.
1021         if (buttons & Qt::XButton1) {
1022             emit goBackRequested();
1023         } else if (buttons & Qt::XButton2) {
1024             emit goForwardRequested();
1025         }
1026     }
1027 }
1028
1029 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1030 {
1031     const int currentCount = current.count();
1032     const int previousCount = previous.count();
1033     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1034                                        (currentCount >  0 && previousCount == 0);
1035
1036     // If nothing has been selected before and something got selected (or if something
1037     // was selected before and now nothing is selected) the selectionChangedSignal must
1038     // be emitted asynchronously as fast as possible to update the edit-actions.
1039     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1040     m_selectionChangedTimer->start();
1041 }
1042
1043 void DolphinView::emitSelectionChangedSignal()
1044 {
1045     m_selectionChangedTimer->stop();
1046     emit selectionChanged(selectedItems());
1047 }
1048
1049 void DolphinView::updateSortRole(const QByteArray& role)
1050 {
1051     ViewProperties props(viewPropertiesUrl());
1052     props.setSortRole(role);
1053
1054     KItemModelBase* model = m_container->controller()->model();
1055     model->setSortRole(role);
1056
1057     emit sortRoleChanged(role);
1058 }
1059
1060 void DolphinView::updateSortOrder(Qt::SortOrder order)
1061 {
1062     ViewProperties props(viewPropertiesUrl());
1063     props.setSortOrder(order);
1064
1065     m_model->setSortOrder(order);
1066
1067     emit sortOrderChanged(order);
1068 }
1069
1070 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1071 {
1072     ViewProperties props(viewPropertiesUrl());
1073     props.setSortFoldersFirst(foldersFirst);
1074
1075     m_model->setSortDirectoriesFirst(foldersFirst);
1076
1077     emit sortFoldersFirstChanged(foldersFirst);
1078 }
1079
1080 QPair<bool, QString> DolphinView::pasteInfo() const
1081 {
1082     return KonqOperations::pasteInfo(url());
1083 }
1084
1085 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1086 {
1087     m_tabsForFiles = tabsForFiles;
1088 }
1089
1090 bool DolphinView::isTabsForFilesEnabled() const
1091 {
1092     return m_tabsForFiles;
1093 }
1094
1095 bool DolphinView::itemsExpandable() const
1096 {
1097     return m_mode == DetailsView;
1098 }
1099
1100 void DolphinView::restoreState(QDataStream& stream)
1101 {
1102     // Restore the current item that had the keyboard focus
1103     stream >> m_currentItemUrl;
1104
1105     // Restore the view position
1106     stream >> m_restoredContentsPosition;
1107
1108     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1109     QSet<KUrl> urls;
1110     stream >> urls;
1111     m_model->restoreExpandedDirectories(urls);
1112 }
1113
1114 void DolphinView::saveState(QDataStream& stream)
1115 {
1116     // Save the current item that has the keyboard focus
1117     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1118     if (currentIndex != -1) {
1119         KFileItem item = m_model->fileItem(currentIndex);
1120         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1121         KUrl currentItemUrl = item.url();
1122         stream << currentItemUrl;
1123     } else {
1124         stream << KUrl();
1125     }
1126
1127     // Save view position
1128     const qreal x = m_container->horizontalScrollBar()->value();
1129     const qreal y = m_container->verticalScrollBar()->value();
1130     stream << QPoint(x, y);
1131
1132     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1133     stream << m_model->expandedDirectories();
1134 }
1135
1136 KFileItem DolphinView::rootItem() const
1137 {
1138     return m_model->rootItem();
1139 }
1140
1141 void DolphinView::setViewPropertiesContext(const QString& context)
1142 {
1143     m_viewPropertiesContext = context;
1144 }
1145
1146 QString DolphinView::viewPropertiesContext() const
1147 {
1148     return m_viewPropertiesContext;
1149 }
1150
1151 void DolphinView::observeCreatedItem(const KUrl& url)
1152 {
1153     m_createdItemUrl = url;
1154     connect(m_model, SIGNAL(directoryLoadingCompleted()),
1155             this, SLOT(selectAndScrollToCreatedItem()));
1156 }
1157
1158 void DolphinView::selectAndScrollToCreatedItem()
1159 {
1160     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1161     const int index = m_model->index(m_createdItemUrl);
1162     if (index != -1) {
1163         selectionManager->setCurrentItem(index);
1164         selectionManager->clearSelection();
1165         selectionManager->setSelected(index);
1166         m_view->scrollToItem(index);
1167     }
1168
1169     disconnect(m_model, SIGNAL(directoryLoadingCompleted()),
1170                this, SLOT(selectAndScrollToCreatedItem()));
1171     m_createdItemUrl = KUrl();
1172 }
1173
1174 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1175 {
1176     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1177         emit redirection(oldUrl, newUrl);
1178         m_url = newUrl; // #186947
1179     }
1180 }
1181
1182 void DolphinView::updateViewState()
1183 {
1184     if (m_currentItemUrl != KUrl()) {
1185         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1186         const int currentIndex = m_model->index(m_currentItemUrl);
1187         if (currentIndex != -1) {
1188             selectionManager->setCurrentItem(currentIndex);
1189         } else {
1190             selectionManager->setCurrentItem(0);
1191         }
1192         m_currentItemUrl = KUrl();
1193     }
1194
1195     if (!m_restoredContentsPosition.isNull()) {
1196         const int x = m_restoredContentsPosition.x();
1197         const int y = m_restoredContentsPosition.y();
1198         m_restoredContentsPosition = QPoint();
1199
1200         m_container->horizontalScrollBar()->setValue(x);
1201         m_container->verticalScrollBar()->setValue(y);
1202     }
1203
1204     if (!m_selectedUrls.isEmpty()) {
1205         clearSelection();
1206
1207         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1208         QSet<int> selectedItems = selectionManager->selectedItems();
1209
1210         foreach (const KUrl& url, m_selectedUrls) {
1211             const int index = m_model->index(url);
1212             if (index >= 0) {
1213                 selectedItems.insert(index);
1214             }
1215         }
1216
1217         selectionManager->setSelectedItems(selectedItems);
1218         m_selectedUrls.clear();
1219     }
1220 }
1221
1222 void DolphinView::hideToolTip()
1223 {
1224     if (GeneralSettings::showToolTips()) {
1225         m_toolTipManager->hideToolTip();
1226     }
1227 }
1228
1229 void DolphinView::calculateItemCount(int& fileCount,
1230                                      int& folderCount,
1231                                      KIO::filesize_t& totalFileSize) const
1232 {
1233     const int itemCount = m_model->count();
1234     for (int i = 0; i < itemCount; ++i) {
1235         const KFileItem item = m_model->fileItem(i);
1236         if (item.isDir()) {
1237             ++folderCount;
1238         } else {
1239             ++fileCount;
1240             totalFileSize += item.size();
1241         }
1242     }
1243 }
1244
1245 void DolphinView::showHoverInformation(const KFileItem& item)
1246 {
1247     emit requestItemInfo(item);
1248 }
1249
1250 void DolphinView::clearHoverInformation()
1251 {
1252     emit requestItemInfo(KFileItem());
1253 }
1254
1255 void DolphinView::slotDeleteFileFinished(KJob* job)
1256 {
1257     if (job->error() == 0) {
1258         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1259     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1260         emit errorMessage(job->errorString());
1261     }
1262 }
1263
1264 void DolphinView::slotDirectoryLoadingStarted()
1265 {
1266     // Disable the writestate temporary until it can be determined in a fast way
1267     // in DolphinView::slotLoadingCompleted()
1268     if (m_isFolderWritable) {
1269         m_isFolderWritable = false;
1270         emit writeStateChanged(m_isFolderWritable);
1271     }
1272
1273     emit directoryLoadingStarted();
1274 }
1275
1276 void DolphinView::slotDirectoryLoadingCompleted()
1277 {
1278     // Update the view-state. This has to be done asynchronously
1279     // because the view might not be in its final state yet.
1280     QTimer::singleShot(0, this, SLOT(updateViewState()));
1281
1282     emit directoryLoadingCompleted();
1283
1284     updateWritableState();
1285 }
1286
1287 void DolphinView::slotItemsChanged()
1288 {
1289     m_assureVisibleCurrentIndex = false;
1290 }
1291
1292 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1293 {
1294     Q_UNUSED(previous);
1295     Q_ASSERT(m_model->sortOrder() == current);
1296
1297     ViewProperties props(viewPropertiesUrl());
1298     props.setSortOrder(current);
1299
1300     emit sortOrderChanged(current);
1301 }
1302
1303 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1304 {
1305     Q_UNUSED(previous);
1306     Q_ASSERT(m_model->sortRole() == current);
1307
1308     ViewProperties props(viewPropertiesUrl());
1309     props.setSortRole(current);
1310
1311     emit sortRoleChanged(current);
1312 }
1313
1314 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1315                                                   const QList<QByteArray>& previous)
1316 {
1317     Q_UNUSED(previous);
1318     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1319
1320     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1321
1322     m_visibleRoles = current;
1323
1324     ViewProperties props(viewPropertiesUrl());
1325     props.setVisibleRoles(m_visibleRoles);
1326
1327     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1328 }
1329
1330 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1331 {
1332     if (role == "text") {
1333         const KFileItem oldItem = m_model->fileItem(index);
1334         const QString newName = value.toString();
1335         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1336             const KUrl oldUrl = oldItem.url();
1337
1338             QHash<QByteArray, QVariant> data;
1339             data.insert(role, value);
1340             m_model->setData(index, data);
1341
1342             KonqOperations::rename(this, oldUrl, newName);
1343         }
1344     }
1345 }
1346
1347 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1348 {
1349     if (!url.isValid()) {
1350         const QString location(url.pathOrUrl());
1351         if (location.isEmpty()) {
1352             emit errorMessage(i18nc("@info:status", "The location is empty."));
1353         } else {
1354             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1355         }
1356         return;
1357     }
1358
1359     if (reload) {
1360         m_model->refreshDirectory(url);
1361     } else {
1362         m_model->loadDirectory(url);
1363     }
1364 }
1365
1366 void DolphinView::applyViewProperties()
1367 {
1368     m_view->beginTransaction();
1369
1370     const ViewProperties props(viewPropertiesUrl());
1371
1372     const Mode mode = props.viewMode();
1373     if (m_mode != mode) {
1374         const Mode previousMode = m_mode;
1375         m_mode = mode;
1376
1377         // Changing the mode might result in changing
1378         // the zoom level. Remember the old zoom level so
1379         // that zoomLevelChanged() can get emitted.
1380         const int oldZoomLevel = m_view->zoomLevel();
1381         applyModeToView();
1382
1383         emit modeChanged(m_mode, previousMode);
1384
1385         if (m_view->zoomLevel() != oldZoomLevel) {
1386             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1387         }
1388     }
1389
1390     const bool hiddenFilesShown = props.hiddenFilesShown();
1391     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1392         m_model->setShowHiddenFiles(hiddenFilesShown);
1393         emit hiddenFilesShownChanged(hiddenFilesShown);
1394     }
1395
1396     const bool groupedSorting = props.groupedSorting();
1397     if (groupedSorting != m_model->groupedSorting()) {
1398         m_model->setGroupedSorting(groupedSorting);
1399         emit groupedSortingChanged(groupedSorting);
1400     }
1401
1402     const QByteArray sortRole = props.sortRole();
1403     if (sortRole != m_model->sortRole()) {
1404         m_model->setSortRole(sortRole);
1405         emit sortRoleChanged(sortRole);
1406     }
1407
1408     const Qt::SortOrder sortOrder = props.sortOrder();
1409     if (sortOrder != m_model->sortOrder()) {
1410         m_model->setSortOrder(sortOrder);
1411         emit sortOrderChanged(sortOrder);
1412     }
1413
1414     const bool sortFoldersFirst = props.sortFoldersFirst();
1415     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1416         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1417         emit sortFoldersFirstChanged(sortFoldersFirst);
1418     }
1419
1420     const QList<QByteArray> visibleRoles = props.visibleRoles();
1421     if (visibleRoles != m_visibleRoles) {
1422         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1423         m_visibleRoles = visibleRoles;
1424         m_view->setVisibleRoles(visibleRoles);
1425         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1426     }
1427
1428     const bool previewsShown = props.previewsShown();
1429     if (previewsShown != m_view->previewsShown()) {
1430         const int oldZoomLevel = zoomLevel();
1431
1432         m_view->setPreviewsShown(previewsShown);
1433         emit previewsShownChanged(previewsShown);
1434
1435         // Changing the preview-state might result in a changed zoom-level
1436         if (oldZoomLevel != zoomLevel()) {
1437             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1438         }
1439     }
1440
1441     KItemListView* itemListView = m_container->controller()->view();
1442     if (itemListView->isHeaderVisible()) {
1443         KItemListHeader* header = itemListView->header();
1444         const QList<int> headerColumnWidths = props.headerColumnWidths();
1445         const int rolesCount = m_visibleRoles.count();
1446         if (headerColumnWidths.count() == rolesCount) {
1447             header->setAutomaticColumnResizing(false);
1448
1449             QHash<QByteArray, qreal> columnWidths;
1450             for (int i = 0; i < rolesCount; ++i) {
1451                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1452             }
1453             header->setColumnWidths(columnWidths);
1454         } else {
1455             header->setAutomaticColumnResizing(true);
1456         }
1457     }
1458
1459     m_view->endTransaction();
1460 }
1461
1462 void DolphinView::applyModeToView()
1463 {
1464     switch (m_mode) {
1465     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1466     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1467     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1468     default: Q_ASSERT(false); break;
1469     }
1470 }
1471
1472 void DolphinView::pasteToUrl(const KUrl& url)
1473 {
1474     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1475     KonqOperations::doPaste(this, url);
1476 }
1477
1478 KUrl::List DolphinView::simplifiedSelectedUrls() const
1479 {
1480     KUrl::List urls;
1481
1482     const KFileItemList items = selectedItems();
1483     foreach (const KFileItem& item, items) {
1484         urls.append(item.url());
1485     }
1486
1487     if (itemsExpandable()) {
1488         // TODO: Check if we still need KDirModel for this in KDE 5.0
1489         urls = KDirModel::simplifiedUrlList(urls);
1490     }
1491
1492     return urls;
1493 }
1494
1495 QMimeData* DolphinView::selectionMimeData() const
1496 {
1497     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1498     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1499
1500     return m_model->createMimeData(selectedIndexes);
1501 }
1502
1503 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1504 {
1505     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1506     KUrl::List destUrls;
1507     foreach (const KUrl& source, sourceUrls) {
1508         KUrl destination(url().url() + '/' + source.fileName());
1509         destUrls << destination;
1510     }
1511     markUrlsAsSelected(destUrls);
1512 }
1513
1514 void DolphinView::updateWritableState()
1515 {
1516     const bool wasFolderWritable = m_isFolderWritable;
1517     m_isFolderWritable = true;
1518
1519     const KFileItem item = m_model->rootItem();
1520     if (!item.isNull()) {
1521         KFileItemListProperties capabilities(KFileItemList() << item);
1522         m_isFolderWritable = capabilities.supportsWriting();
1523     }
1524     if (m_isFolderWritable != wasFolderWritable) {
1525         emit writeStateChanged(m_isFolderWritable);
1526     }
1527 }
1528
1529 KUrl DolphinView::viewPropertiesUrl() const
1530 {
1531     if (m_viewPropertiesContext.isEmpty()) {
1532         return m_url;
1533     }
1534
1535     KUrl url;
1536     url.setProtocol(m_url.protocol());
1537     url.setPath(m_viewPropertiesContext);
1538     return url;
1539 }
1540
1541 #include "dolphinview.moc"