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 <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QBoxLayout>
  26 #include <QClipboard>
  27 #include <QDropEvent>
  28 #include <QGraphicsSceneDragDropEvent>
  29 #include <QKeyEvent>
  30 #include <QItemSelection>
  31 #include <QTimer>
  32 #include <QScrollBar>
  33
  34 #include <KActionCollection>
  35 #include <KColorScheme>
  36 #include <KDirLister>
  37 #include <KDirModel>
  38 #include <KIconEffect>
  39 #include <KFileItem>
  40 #include <KFileItemListProperties>
  41 #include <KLocale>
  42 #include <kitemviews/kfileitemmodel.h>
  43 #include <kitemviews/kfileitemlistview.h>
  44 #include <kitemviews/kitemlistselectionmanager.h>
  45 #include <kitemviews/kitemlistview.h>
  46 #include <kitemviews/kitemlistcontroller.h>
  47 #include <KIO/DeleteJob>
  48 #include <KIO/NetAccess>
  49 #include <KIO/PreviewJob>
  50 #include <KJob>
  51 #include <KMenu>
  52 #include <KMessageBox>
  53 #include <konq_fileitemcapabilities.h>
  54 #include <konq_operations.h>
  55 #include <konqmimedata.h>
  56 #include <KToggleAction>
  57 #include <KUrl>
  58
  59 #include "additionalinfoaccessor.h"
  60 #include "dolphindirlister.h"
  61 #include "dolphinnewfilemenuobserver.h"
  62 #include "dolphin_detailsmodesettings.h"
  63 #include "dolphin_generalsettings.h"
  64 #include "dolphinitemlistcontainer.h"
  65 #include "draganddrophelper.h"
  66 #include "renamedialog.h"
  67 #include "versioncontrol/versioncontrolobserver.h"
  68 #include "viewmodecontroller.h"
  69 #include "viewproperties.h"
  70 #include "views/tooltips/tooltipmanager.h"
  71 #include "zoomlevelinfo.h"
  72
  73 namespace {
  74     const int MaxModeEnum = DolphinView::CompactView;
  75     const int MaxSortingEnum = DolphinView::SortByPath;
  76 };
  77
  78 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  79     QWidget(parent),
  80     m_active(true),
  81     m_tabsForFiles(false),
  82     m_assureVisibleCurrentIndex(false),
  83     m_isFolderWritable(true),
  84     m_url(url),
  85     m_mode(DolphinView::IconsView),
  86     m_additionalInfoList(),
  87     m_topLayout(0),
  88     m_dirLister(0),
  89     m_container(0),
  90     m_toolTipManager(0),
  91     m_selectionChangedTimer(0),
  92     m_currentItemUrl(),
  93     m_restoredContentsPosition(),
  94     m_createdItemUrl(),
  95     m_selectedUrls(),
  96     m_versionControlObserver(0)
  97 {
  98     m_topLayout = new QVBoxLayout(this);
  99     m_topLayout->setSpacing(0);
 100     m_topLayout->setMargin(0);
 101
 102     // When a new item has been created by the "Create New..." menu, the item should
 103     // get selected and it must be assured that the item will get visible. As the
 104     // creation is done asynchronously, several signals must be checked:
 105     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 106             this, SLOT(observeCreatedItem(KUrl)));
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 112             this, SLOT(emitSelectionChangedSignal()));
 113
 114     m_dirLister = new DolphinDirLister(this);
 115     m_dirLister->setAutoUpdate(true);
 116     m_dirLister->setDelayedMimeTypes(true);
 117
 118     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
 119     connect(m_dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
 120     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
 121             this, SLOT(slotRefreshItems()));
 122
 123     connect(m_dirLister, SIGNAL(clear()),                     this, SIGNAL(itemCountChanged()));
 124     connect(m_dirLister, SIGNAL(newItems(KFileItemList)),     this, SIGNAL(itemCountChanged()));
 125     connect(m_dirLister, SIGNAL(infoMessage(QString)),        this, SIGNAL(infoMessage(QString)));
 126     connect(m_dirLister, SIGNAL(errorMessage(QString)),       this, SIGNAL(infoMessage(QString)));
 127     connect(m_dirLister, SIGNAL(percent(int)),                this, SIGNAL(pathLoadingProgress(int)));
 128     connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)),        this, SIGNAL(urlIsFileError(KUrl)));
 129     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
 130
 131     m_container = new DolphinItemListContainer(m_dirLister, this);
 132     m_container->setVisibleRoles(QList<QByteArray>() << "name");
 133     m_container->installEventFilter(this);
 134     setFocusProxy(m_container);
 135     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 136     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 137
 138     KItemListController* controller = m_container->controller();
 139     controller->setSelectionBehavior(KItemListController::MultiSelection);
 140     if (GeneralSettings::autoExpandFolders()) {
 141         controller->setAutoActivationDelay(750);
 142     }
 143     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 144     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 145     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 146     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 147     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 148     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 149     connect(controller, SIGNAL(itemPressed(int,Qt::MouseButton)), this, SLOT(hideToolTip()));
 150     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 151     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 152     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 153     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 154
 155     KFileItemModel* model = fileItemModel();
 156     if (model) {
 157         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 158     }
 159
 160     KItemListView* view = controller->view();
 161     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 162             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 163     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 164             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 165
 166     KItemListSelectionManager* selectionManager = controller->selectionManager();
 167     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 168             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 169
 170     m_toolTipManager = new ToolTipManager(this);
 171
 172     m_versionControlObserver = new VersionControlObserver(this);
 173     m_versionControlObserver->setModel(model);
 174     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 175     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 176     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 177
 178     applyViewProperties();
 179     m_topLayout->addWidget(m_container);
 180
 181     loadDirectory(url);
 182 }
 183
 184 DolphinView::~DolphinView()
 185 {
 186 }
 187
 188 KUrl DolphinView::url() const
 189 {
 190     return m_url;
 191 }
 192
 193 void DolphinView::setActive(bool active)
 194 {
 195     if (active == m_active) {
 196         return;
 197     }
 198
 199     m_active = active;
 200
 201     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 202     if (!active) {
 203         color.setAlpha(150);
 204     }
 205
 206     QWidget* viewport = m_container->viewport();
 207     if (viewport) {
 208         QPalette palette;
 209         palette.setColor(viewport->backgroundRole(), color);
 210         viewport->setPalette(palette);
 211     }
 212
 213     update();
 214
 215     if (active) {
 216         m_container->setFocus();
 217         emit activated();
 218         emit writeStateChanged(m_isFolderWritable);
 219     }
 220 }
 221
 222 bool DolphinView::isActive() const
 223 {
 224     return m_active;
 225 }
 226
 227 void DolphinView::setMode(Mode mode)
 228 {
 229     if (mode != m_mode) {
 230         ViewProperties props(url());
 231         props.setViewMode(mode);
 232         props.save();
 233
 234         applyViewProperties();
 235     }
 236 }
 237
 238 DolphinView::Mode DolphinView::mode() const
 239 {
 240     return m_mode;
 241 }
 242
 243 void DolphinView::setPreviewsShown(bool show)
 244 {
 245     if (previewsShown() == show) {
 246         return;
 247     }
 248
 249     ViewProperties props(url());
 250     props.setPreviewsShown(show);
 251
 252     m_container->setPreviewsShown(show);
 253     emit previewsShownChanged(show);
 254 }
 255
 256 bool DolphinView::previewsShown() const
 257 {
 258     return m_container->previewsShown();
 259 }
 260
 261 void DolphinView::setHiddenFilesShown(bool show)
 262 {
 263     if (m_dirLister->showingDotFiles() == show) {
 264         return;
 265     }
 266
 267     const KFileItemList itemList = selectedItems();
 268     m_selectedUrls.clear();
 269     m_selectedUrls = itemList.urlList();
 270
 271     ViewProperties props(url());
 272     props.setHiddenFilesShown(show);
 273
 274     fileItemModel()->setShowHiddenFiles(show);
 275     emit hiddenFilesShownChanged(show);
 276 }
 277
 278 bool DolphinView::hiddenFilesShown() const
 279 {
 280     return m_dirLister->showingDotFiles();
 281 }
 282
 283 void DolphinView::setGroupedSorting(bool grouped)
 284 {
 285     if (grouped == groupedSorting()) {
 286         return;
 287     }
 288
 289     ViewProperties props(url());
 290     props.setGroupedSorting(grouped);
 291     props.save();
 292
 293     m_container->controller()->model()->setGroupedSorting(grouped);
 294
 295     emit groupedSortingChanged(grouped);
 296 }
 297
 298 bool DolphinView::groupedSorting() const
 299 {
 300     return fileItemModel()->groupedSorting();
 301 }
 302
 303 KFileItemList DolphinView::items() const
 304 {
 305     return m_dirLister->items();
 306 }
 307
 308 KFileItemList DolphinView::selectedItems() const
 309 {
 310     const KFileItemModel* model = fileItemModel();
 311     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 312     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 313
 314     KFileItemList selectedItems;
 315     QSetIterator<int> it(selectedIndexes);
 316     while (it.hasNext()) {
 317         const int index = it.next();
 318         selectedItems.append(model->fileItem(index));
 319     }
 320     return selectedItems;
 321 }
 322
 323 int DolphinView::selectedItemsCount() const
 324 {
 325     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 326     return selectionManager->selectedItems().count();
 327 }
 328
 329 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 330 {
 331     m_selectedUrls = urls;
 332 }
 333
 334 void DolphinView::markUrlAsCurrent(const KUrl& url)
 335 {
 336     m_currentItemUrl = url;
 337 }
 338
 339 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 340 {
 341     const KItemListSelectionManager::SelectionMode mode = enabled
 342                                                         ? KItemListSelectionManager::Select
 343                                                         : KItemListSelectionManager::Deselect;
 344     const KFileItemModel* model = fileItemModel();
 345     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 346
 347     for (int index = 0; index < model->count(); index++) {
 348         const KFileItem item = model->fileItem(index);
 349         if (pattern.exactMatch(item.text())) {
 350             // An alternative approach would be to store the matching items in a QSet<int> and
 351             // select them in one go after the loop, but we'd need a new function
 352             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 353             // for that.
 354             selectionManager->setSelected(index, 1, mode);
 355         }
 356     }
 357 }
 358
 359 void DolphinView::setZoomLevel(int level)
 360 {
 361     const int oldZoomLevel = zoomLevel();
 362     m_container->setZoomLevel(level);
 363     if (zoomLevel() != oldZoomLevel) {
 364         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 365     }
 366 }
 367
 368 int DolphinView::zoomLevel() const
 369 {
 370     return m_container->zoomLevel();
 371 }
 372
 373 void DolphinView::setSorting(Sorting sorting)
 374 {
 375     if (sorting != this->sorting()) {
 376         updateSorting(sorting);
 377     }
 378 }
 379
 380 DolphinView::Sorting DolphinView::sorting() const
 381 {
 382     KItemModelBase* model = m_container->controller()->model();
 383     return sortingForSortRole(model->sortRole());
 384 }
 385
 386 void DolphinView::setSortOrder(Qt::SortOrder order)
 387 {
 388     if (sortOrder() != order) {
 389         updateSortOrder(order);
 390     }
 391 }
 392
 393 Qt::SortOrder DolphinView::sortOrder() const
 394 {
 395     KItemModelBase* model = fileItemModel();
 396     return model->sortOrder();
 397 }
 398
 399 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 400 {
 401     if (sortFoldersFirst() != foldersFirst) {
 402         updateSortFoldersFirst(foldersFirst);
 403     }
 404 }
 405
 406 bool DolphinView::sortFoldersFirst() const
 407 {
 408     KFileItemModel* model = fileItemModel();
 409     return model->sortFoldersFirst();
 410 }
 411
 412 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 413 {
 414     const QList<AdditionalInfo> previousList = info;
 415
 416     ViewProperties props(url());
 417     props.setAdditionalInfoList(info);
 418
 419     m_additionalInfoList = info;
 420     applyAdditionalInfoListToView();
 421
 422     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 423 }
 424
 425 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 426 {
 427     return m_additionalInfoList;
 428 }
 429
 430 void DolphinView::reload()
 431 {
 432     QByteArray viewState;
 433     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 434     saveState(saveStream);
 435
 436     const KFileItemList itemList = selectedItems();
 437     m_selectedUrls.clear();
 438     m_selectedUrls = itemList.urlList();
 439
 440     setUrl(url());
 441     loadDirectory(url(), true);
 442
 443     QDataStream restoreStream(viewState);
 444     restoreState(restoreStream);
 445 }
 446
 447 void DolphinView::stopLoading()
 448 {
 449     m_dirLister->stop();
 450 }
 451
 452 void DolphinView::refresh()
 453 {
 454     GeneralSettings::self()->readConfig();
 455     m_container->refresh();
 456     applyViewProperties();
 457 }
 458
 459 void DolphinView::setNameFilter(const QString& nameFilter)
 460 {
 461     fileItemModel()->setNameFilter(nameFilter);
 462 }
 463
 464 QString DolphinView::nameFilter() const
 465 {
 466     return fileItemModel()->nameFilter();
 467 }
 468
 469 void DolphinView::calculateItemCount(int& fileCount,
 470                                      int& folderCount,
 471                                      KIO::filesize_t& totalFileSize) const
 472 {
 473     foreach (const KFileItem& item, m_dirLister->items()) {
 474         if (item.isDir()) {
 475             ++folderCount;
 476         } else {
 477             ++fileCount;
 478             totalFileSize += item.size();
 479         }
 480     }
 481 }
 482
 483 QString DolphinView::statusBarText() const
 484 {
 485     QString summary;
 486     QString foldersText;
 487     QString filesText;
 488
 489     int folderCount = 0;
 490     int fileCount = 0;
 491     KIO::filesize_t totalFileSize = 0;
 492
 493     if (hasSelection()) {
 494         // Give a summary of the status of the selected files
 495         const KFileItemList list = selectedItems();
 496         foreach (const KFileItem& item, list) {
 497             if (item.isDir()) {
 498                 ++folderCount;
 499             } else {
 500                 ++fileCount;
 501                 totalFileSize += item.size();
 502             }
 503         }
 504
 505         if (folderCount + fileCount == 1) {
 506             // If only one item is selected, show the filename
 507             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 508         } else {
 509             // At least 2 items are selected
 510             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 511             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 512         }
 513     } else {
 514         calculateItemCount(fileCount, folderCount, totalFileSize);
 515         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 516         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 517     }
 518
 519     if (fileCount > 0 && folderCount > 0) {
 520         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 521                         foldersText, filesText, fileSizeText(totalFileSize));
 522     } else if (fileCount > 0) {
 523         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 524     } else if (folderCount > 0) {
 525         summary = foldersText;
 526     }
 527
 528     return summary;
 529 }
 530
 531 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 532 {
 533     QList<QAction*> actions;
 534
 535     if (items.isEmpty()) {
 536         const KFileItem item = fileItemModel()->rootItem();
 537         actions = m_versionControlObserver->actions(KFileItemList() << item);
 538     } else {
 539         actions = m_versionControlObserver->actions(items);
 540     }
 541
 542     return actions;
 543 }
 544
 545 void DolphinView::setUrl(const KUrl& url)
 546 {
 547     if (url == m_url) {
 548         return;
 549     }
 550
 551     emit urlAboutToBeChanged(url);
 552     m_url = url;
 553
 554     hideToolTip();
 555
 556     // It is important to clear the items from the model before
 557     // applying the view properties, otherwise expensive operations
 558     // might be done on the existing items although they get cleared
 559     // anyhow afterwards by loadDirectory().
 560     fileItemModel()->clear();
 561     applyViewProperties();
 562     loadDirectory(url);
 563
 564     emit urlChanged(url);
 565 }
 566
 567 void DolphinView::selectAll()
 568 {
 569     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 570     selectionManager->setSelected(0, fileItemModel()->count());
 571 }
 572
 573 void DolphinView::invertSelection()
 574 {
 575     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 576     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 577 }
 578
 579 void DolphinView::clearSelection()
 580 {
 581     m_container->controller()->selectionManager()->clearSelection();
 582 }
 583
 584 void DolphinView::renameSelectedItems()
 585 {
 586     KFileItemList items = selectedItems();
 587     const int itemCount = items.count();
 588     if (itemCount < 1) {
 589         return;
 590     }
 591
 592     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 593     // renaming yet.
 594     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 595         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 596         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 597         m_viewAccessor.itemView()->edit(proxyIndex);
 598     } else {*/
 599         RenameDialog* dialog = new RenameDialog(this, items);
 600         dialog->setAttribute(Qt::WA_DeleteOnClose);
 601         dialog->show();
 602         dialog->raise();
 603         dialog->activateWindow();
 604     //}
 605
 606     // assure that the current index remains visible when KDirLister
 607     // will notify the view about changed items
 608     m_assureVisibleCurrentIndex = true;
 609 }
 610
 611 void DolphinView::trashSelectedItems()
 612 {
 613     const KUrl::List list = simplifiedSelectedUrls();
 614     KonqOperations::del(this, KonqOperations::TRASH, list);
 615 }
 616
 617 void DolphinView::deleteSelectedItems()
 618 {
 619     const KUrl::List list = simplifiedSelectedUrls();
 620     const bool del = KonqOperations::askDeleteConfirmation(list,
 621                      KonqOperations::DEL,
 622                      KonqOperations::DEFAULT_CONFIRMATION,
 623                      this);
 624
 625     if (del) {
 626         KIO::Job* job = KIO::del(list);
 627         connect(job, SIGNAL(result(KJob*)),
 628                 this, SLOT(slotDeleteFileFinished(KJob*)));
 629     }
 630 }
 631
 632 void DolphinView::cutSelectedItems()
 633 {
 634     QMimeData* mimeData = selectionMimeData();
 635     KonqMimeData::addIsCutSelection(mimeData, true);
 636     QApplication::clipboard()->setMimeData(mimeData);
 637 }
 638
 639 void DolphinView::copySelectedItems()
 640 {
 641     QMimeData* mimeData = selectionMimeData();
 642     QApplication::clipboard()->setMimeData(mimeData);
 643 }
 644
 645 void DolphinView::paste()
 646 {
 647     pasteToUrl(url());
 648 }
 649
 650 void DolphinView::pasteIntoFolder()
 651 {
 652     const KFileItemList items = selectedItems();
 653     if ((items.count() == 1) && items.first().isDir()) {
 654         pasteToUrl(items.first().url());
 655     }
 656 }
 657
 658 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 659 {
 660     switch (event->type()) {
 661     case QEvent::FocusIn:
 662         if (watched == m_container) {
 663             setActive(true);
 664         }
 665         break;
 666
 667     default:
 668         break;
 669     }
 670
 671     return QWidget::eventFilter(watched, event);
 672 }
 673
 674 void DolphinView::wheelEvent(QWheelEvent* event)
 675 {
 676     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 677         const int numDegrees = event->delta() / 8;
 678         const int numSteps = numDegrees / 15;
 679
 680         setZoomLevel(zoomLevel() + numSteps);
 681         event->accept();
 682     } else {
 683         event->ignore();
 684     }
 685 }
 686
 687 void DolphinView::activate()
 688 {
 689     setActive(true);
 690 }
 691
 692 void DolphinView::slotItemActivated(int index)
 693 {
 694     const KFileItem item = fileItemModel()->fileItem(index);
 695     if (!item.isNull()) {
 696         emit itemActivated(item);
 697     }
 698 }
 699
 700 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 701 {
 702     Q_ASSERT(indexes.count() >= 2);
 703
 704     KFileItemList items;
 705
 706     KFileItemModel* model = fileItemModel();
 707     QSetIterator<int> it(indexes);
 708     while (it.hasNext()) {
 709         const int index = it.next();
 710         items.append(model->fileItem(index));
 711     }
 712
 713     foreach (const KFileItem& item, items) {
 714         if (item.isDir()) {
 715             emit tabRequested(item.url());
 716         } else {
 717             emit itemActivated(item);
 718         }
 719     }
 720 }
 721
 722 void DolphinView::slotItemMiddleClicked(int index)
 723 {
 724     const KFileItem item = fileItemModel()->fileItem(index);
 725     if (item.isDir() || isTabsForFilesEnabled()) {
 726         emit tabRequested(item.url());
 727     }
 728 }
 729
 730 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 731 {
 732     const KFileItem item = fileItemModel()->fileItem(index);
 733     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 734 }
 735
 736 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 737 {
 738     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 739 }
 740
 741 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 742 {
 743     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 744
 745     KItemListView* view = m_container->controller()->view();
 746     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 747
 748     // Add all roles to the menu that can be shown or hidden by the user
 749     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 750     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 751     foreach (const DolphinView::AdditionalInfo info, keys) {
 752         const QByteArray& role = infoAccessor.role(info);
 753         if (role != "name") {
 754             const QString text = fileItemModel()->roleDescription(role);
 755
 756             QAction* action = menu.data()->addAction(text);
 757             action->setCheckable(true);
 758             action->setChecked(visibleRolesSet.contains(role));
 759             action->setData(info);
 760         }
 761     }
 762
 763     QAction* action = menu.data()->exec(pos.toPoint());
 764     if (action) {
 765         // Show or hide the selected role
 766         const DolphinView::AdditionalInfo info =
 767             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 768
 769         ViewProperties props(url());
 770         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 771
 772         const QByteArray selectedRole = infoAccessor.role(info);
 773         QList<QByteArray> visibleRoles = view->visibleRoles();
 774
 775         if (action->isChecked()) {
 776             const int index = keys.indexOf(info) + 1;
 777             visibleRoles.insert(index, selectedRole);
 778             infoList.insert(index, info);
 779         } else {
 780             visibleRoles.removeOne(selectedRole);
 781             infoList.removeOne(info);
 782         }
 783
 784         view->setVisibleRoles(visibleRoles);
 785         props.setAdditionalInfoList(infoList);
 786     }
 787
 788     delete menu.data();
 789 }
 790
 791 void DolphinView::slotItemHovered(int index)
 792 {
 793     const KFileItem item = fileItemModel()->fileItem(index);
 794
 795     if (GeneralSettings::showToolTips() && QApplication::mouseButtons() == Qt::NoButton) {
 796         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 797         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 798         itemRect.moveTo(pos);
 799
 800         m_toolTipManager->showToolTip(item, itemRect);
 801     }
 802
 803     emit requestItemInfo(item);
 804 }
 805
 806 void DolphinView::slotItemUnhovered(int index)
 807 {
 808     Q_UNUSED(index);
 809     hideToolTip();
 810     emit requestItemInfo(KFileItem());
 811 }
 812
 813 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 814 {
 815     KFileItem destItem = fileItemModel()->fileItem(index);
 816     if (destItem.isNull()) {
 817         destItem = fileItemModel()->rootItem();
 818         if (destItem.isNull()) {
 819             kWarning() << "No destination item available for drop operation.";
 820             return;
 821         }
 822     }
 823
 824     QDropEvent dropEvent(event->pos().toPoint(),
 825                          event->possibleActions(),
 826                          event->mimeData(),
 827                          event->buttons(),
 828                          event->modifiers());
 829
 830     const QString error = DragAndDropHelper::dropUrls(destItem, &dropEvent);
 831     if (!error.isEmpty()) {
 832         emit errorMessage(error);
 833     }
 834 }
 835
 836 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 837 {
 838     if (previous != 0) {
 839         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 840     }
 841
 842     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 843     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 844
 845     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 846     m_versionControlObserver->setModel(fileItemModel);
 847 }
 848
 849 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 850 {
 851     const int currentCount = current.count();
 852     const int previousCount = previous.count();
 853     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 854                                        (currentCount >  0 && previousCount == 0);
 855
 856     // If nothing has been selected before and something got selected (or if something
 857     // was selected before and now nothing is selected) the selectionChangedSignal must
 858     // be emitted asynchronously as fast as possible to update the edit-actions.
 859     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 860     m_selectionChangedTimer->start();
 861 }
 862
 863 void DolphinView::emitSelectionChangedSignal()
 864 {
 865     m_selectionChangedTimer->stop();
 866     emit selectionChanged(selectedItems());
 867 }
 868
 869 void DolphinView::dropUrls(const KFileItem& destItem,
 870                            const KUrl& destPath,
 871                            QDropEvent* event)
 872 {
 873     Q_UNUSED(destItem);
 874     Q_UNUSED(destPath);
 875     markPastedUrlsAsSelected(event->mimeData());
 876     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 877 }
 878
 879 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 880 {
 881     ViewProperties props(url());
 882     props.setSorting(sorting);
 883
 884     KItemModelBase* model = m_container->controller()->model();
 885     model->setSortRole(sortRoleForSorting(sorting));
 886
 887     emit sortingChanged(sorting);
 888 }
 889
 890 void DolphinView::updateSortOrder(Qt::SortOrder order)
 891 {
 892     ViewProperties props(url());
 893     props.setSortOrder(order);
 894
 895     KItemModelBase* model = fileItemModel();
 896     model->setSortOrder(order);
 897
 898     emit sortOrderChanged(order);
 899 }
 900
 901 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 902 {
 903     ViewProperties props(url());
 904     props.setSortFoldersFirst(foldersFirst);
 905
 906     KFileItemModel* model = fileItemModel();
 907     model->setSortFoldersFirst(foldersFirst);
 908
 909     emit sortFoldersFirstChanged(foldersFirst);
 910 }
 911
 912 QPair<bool, QString> DolphinView::pasteInfo() const
 913 {
 914     return KonqOperations::pasteInfo(url());
 915 }
 916
 917 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 918 {
 919     m_tabsForFiles = tabsForFiles;
 920 }
 921
 922 bool DolphinView::isTabsForFilesEnabled() const
 923 {
 924     return m_tabsForFiles;
 925 }
 926
 927 bool DolphinView::itemsExpandable() const
 928 {
 929     return m_mode == DetailsView;
 930 }
 931
 932 void DolphinView::restoreState(QDataStream& stream)
 933 {
 934     // Restore the current item that had the keyboard focus
 935     stream >> m_currentItemUrl;
 936
 937     // Restore the view position
 938     stream >> m_restoredContentsPosition;
 939
 940     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 941     QSet<KUrl> urls;
 942     stream >> urls;
 943     fileItemModel()->restoreExpandedUrls(urls);
 944 }
 945
 946 void DolphinView::saveState(QDataStream& stream)
 947 {
 948     // Save the current item that has the keyboard focus
 949     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 950     if (currentIndex != -1) {
 951         KFileItem item = fileItemModel()->fileItem(currentIndex);
 952         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 953         KUrl currentItemUrl = item.url();
 954         stream << currentItemUrl;
 955     } else {
 956         stream << KUrl();
 957     }
 958
 959     // Save view position
 960     const qreal x = m_container->horizontalScrollBar()->value();
 961     const qreal y = m_container->verticalScrollBar()->value();
 962     stream << QPoint(x, y);
 963
 964     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 965     stream << fileItemModel()->expandedUrls();
 966 }
 967
 968 bool DolphinView::hasSelection() const
 969 {
 970     return m_container->controller()->selectionManager()->hasSelection();
 971 }
 972
 973 KFileItem DolphinView::rootItem() const
 974 {
 975     return m_dirLister->rootItem();
 976 }
 977
 978 void DolphinView::observeCreatedItem(const KUrl& url)
 979 {
 980     m_createdItemUrl = url;
 981     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 982     //        this, SLOT(selectAndScrollToCreatedItem()));
 983 }
 984
 985 void DolphinView::selectAndScrollToCreatedItem()
 986 {
 987     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 988     if (dirIndex.isValid()) {
 989         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 990         QAbstractItemView* view = m_viewAccessor.itemView();
 991         if (view) {
 992             view->setCurrentIndex(proxyIndex);
 993         }
 994     }
 995
 996     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 997                this, SLOT(selectAndScrollToCreatedItem()));*/
 998     m_createdItemUrl = KUrl();
 999 }
1000
1001 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1002 {
1003     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1004         emit redirection(oldUrl, newUrl);
1005         m_url = newUrl; // #186947
1006     }
1007 }
1008
1009 void DolphinView::updateViewState()
1010 {
1011     if (m_currentItemUrl != KUrl()) {
1012         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1013         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1014         if (currentIndex != -1) {
1015             selectionManager->setCurrentItem(currentIndex);
1016         } else {
1017             selectionManager->setCurrentItem(0);
1018         }
1019         m_currentItemUrl = KUrl();
1020     }
1021
1022     if (!m_restoredContentsPosition.isNull()) {
1023         const int x = m_restoredContentsPosition.x();
1024         const int y = m_restoredContentsPosition.y();
1025         m_restoredContentsPosition = QPoint();
1026
1027         m_container->horizontalScrollBar()->setValue(x);
1028         m_container->verticalScrollBar()->setValue(y);
1029     }
1030
1031     if (!m_selectedUrls.isEmpty()) {
1032         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1033         QSet<int> selectedItems = selectionManager->selectedItems();
1034         const KFileItemModel* model = fileItemModel();
1035
1036         foreach (const KUrl& url, m_selectedUrls) {
1037             const int index = model->index(url);
1038             if (index >= 0) {
1039                 selectedItems.insert(index);
1040             }
1041         }
1042
1043         selectionManager->setSelectedItems(selectedItems);
1044         m_selectedUrls.clear();
1045     }
1046 }
1047
1048 void DolphinView::hideToolTip()
1049 {
1050     if (GeneralSettings::showToolTips()) {
1051         m_toolTipManager->hideToolTip();
1052     }
1053 }
1054
1055 void DolphinView::showHoverInformation(const KFileItem& item)
1056 {
1057     emit requestItemInfo(item);
1058 }
1059
1060 void DolphinView::clearHoverInformation()
1061 {
1062     emit requestItemInfo(KFileItem());
1063 }
1064
1065 void DolphinView::slotDeleteFileFinished(KJob* job)
1066 {
1067     if (job->error() == 0) {
1068         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1069     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1070         emit errorMessage(job->errorString());
1071     }
1072 }
1073
1074 void DolphinView::slotDirListerStarted(const KUrl& url)
1075 {
1076     // Disable the writestate temporary until it can be determined in a fast way
1077     // in DolphinView::slotLoadingCompleted()
1078     if (m_isFolderWritable) {
1079         m_isFolderWritable = false;
1080         emit writeStateChanged(m_isFolderWritable);
1081     }
1082
1083     emit startedPathLoading(url);
1084 }
1085
1086 void DolphinView::slotLoadingCompleted()
1087 {
1088     // Update the view-state. This has to be done using a Qt::QueuedConnection
1089     // because the view might not be in its final state yet (the view also
1090     // listens to the completed()-signal from KDirLister and the order of
1091     // of slots is undefined).
1092     QTimer::singleShot(0, this, SLOT(updateViewState()));
1093
1094     emit finishedPathLoading(url());
1095
1096     updateWritableState();
1097 }
1098
1099 void DolphinView::slotRefreshItems()
1100 {
1101     if (m_assureVisibleCurrentIndex) {
1102         m_assureVisibleCurrentIndex = false;
1103         //QAbstractItemView* view = m_viewAccessor.itemView();
1104         //if (view) {
1105         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1106         //}
1107     }
1108 }
1109
1110 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1111 {
1112     Q_UNUSED(previous);
1113     Q_ASSERT(fileItemModel()->sortOrder() == current);
1114
1115     ViewProperties props(url());
1116     props.setSortOrder(current);
1117
1118     emit sortOrderChanged(current);
1119 }
1120
1121 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1122 {
1123     Q_UNUSED(previous);
1124     Q_ASSERT(fileItemModel()->sortRole() == current);
1125
1126     ViewProperties props(url());
1127     const Sorting sorting = sortingForSortRole(current);
1128     props.setSorting(sorting);
1129
1130     emit sortingChanged(sorting);
1131 }
1132
1133 KFileItemModel* DolphinView::fileItemModel() const
1134 {
1135     return static_cast<KFileItemModel*>(m_container->controller()->model());
1136 }
1137
1138 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1139 {
1140     if (!url.isValid()) {
1141         const QString location(url.pathOrUrl());
1142         if (location.isEmpty()) {
1143             emit errorMessage(i18nc("@info:status", "The location is empty."));
1144         } else {
1145             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1146         }
1147         return;
1148     }
1149
1150     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1151 }
1152
1153 void DolphinView::applyViewProperties()
1154 {
1155     m_container->beginTransaction();
1156
1157     const ViewProperties props(url());
1158     KFileItemModel* model = fileItemModel();
1159
1160     const Mode mode = props.viewMode();
1161     if (m_mode != mode) {
1162         // Prevent an animated transition of the position and size of the items when switching
1163         // the view-mode by temporary clearing the model and updating it again after the view mode
1164         // has been modified.
1165         const bool restoreModel = (model->count() > 0);
1166         if (restoreModel) {
1167             const int currentItemIndex = m_container->controller()->selectionManager()->currentItem();
1168             if (currentItemIndex >= 0) {
1169                 m_currentItemUrl = model->fileItem(currentItemIndex).url();
1170             }
1171             m_selectedUrls = selectedItems().urlList();
1172             model->clear();
1173         }
1174
1175         const Mode previousMode = m_mode;
1176         m_mode = mode;
1177
1178         // Changing the mode might result in changing
1179         // the zoom level. Remember the old zoom level so
1180         // that zoomLevelChanged() can get emitted.
1181         const int oldZoomLevel = m_container->zoomLevel();
1182
1183         switch (m_mode) {
1184         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1185         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1186         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1187         default: Q_ASSERT(false); break;
1188         }
1189
1190         emit modeChanged(m_mode, previousMode);
1191
1192         if (m_container->zoomLevel() != oldZoomLevel) {
1193             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1194         }
1195
1196         if (restoreModel) {
1197             loadDirectory(url());
1198         }
1199     }
1200
1201     const bool hiddenFilesShown = props.hiddenFilesShown();
1202     if (hiddenFilesShown != model->showHiddenFiles()) {
1203         model->setShowHiddenFiles(hiddenFilesShown);
1204         emit hiddenFilesShownChanged(hiddenFilesShown);
1205     }
1206
1207     const bool groupedSorting = props.groupedSorting();
1208     if (groupedSorting != model->groupedSorting()) {
1209         model->setGroupedSorting(groupedSorting);
1210         emit groupedSortingChanged(groupedSorting);
1211     }
1212
1213     const DolphinView::Sorting sorting = props.sorting();
1214     const QByteArray newSortRole = sortRoleForSorting(sorting);
1215     if (newSortRole != model->sortRole()) {
1216         model->setSortRole(newSortRole);
1217         emit sortingChanged(sorting);
1218     }
1219
1220     const Qt::SortOrder sortOrder = props.sortOrder();
1221     if (sortOrder != model->sortOrder()) {
1222         model->setSortOrder(sortOrder);
1223         emit sortOrderChanged(sortOrder);
1224     }
1225
1226     const bool sortFoldersFirst = props.sortFoldersFirst();
1227     if (sortFoldersFirst != model->sortFoldersFirst()) {
1228         model->setSortFoldersFirst(sortFoldersFirst);
1229         emit sortFoldersFirstChanged(sortFoldersFirst);
1230     }
1231
1232     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1233     if (infoList != m_additionalInfoList) {
1234         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1235         m_additionalInfoList = infoList;
1236         applyAdditionalInfoListToView();
1237         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1238     }
1239
1240     const bool previewsShown = props.previewsShown();
1241     if (previewsShown != m_container->previewsShown()) {
1242         const int oldZoomLevel = zoomLevel();
1243
1244         m_container->setPreviewsShown(previewsShown);
1245         emit previewsShownChanged(previewsShown);
1246
1247         // Changing the preview-state might result in a changed zoom-level
1248         if (oldZoomLevel != zoomLevel()) {
1249             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1250         }
1251     }
1252
1253     m_container->endTransaction();
1254 }
1255
1256 void DolphinView::applyAdditionalInfoListToView()
1257 {
1258     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1259
1260     QList<QByteArray> visibleRoles;
1261     visibleRoles.reserve(m_additionalInfoList.count() + 1);
1262     visibleRoles.append("name");
1263
1264     foreach (AdditionalInfo info, m_additionalInfoList) {
1265         visibleRoles.append(infoAccessor.role(info));
1266     }
1267
1268     m_container->setVisibleRoles(visibleRoles);
1269 }
1270
1271 void DolphinView::pasteToUrl(const KUrl& url)
1272 {
1273     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1274     KonqOperations::doPaste(this, url);
1275 }
1276
1277 KUrl::List DolphinView::simplifiedSelectedUrls() const
1278 {
1279     KUrl::List urls;
1280
1281     const KFileItemList items = selectedItems();
1282     foreach (const KFileItem &item, items) {
1283         urls.append(item.url());
1284     }
1285
1286     if (itemsExpandable()) {
1287         // TODO: Check if we still need KDirModel for this in KDE 5.0
1288         urls = KDirModel::simplifiedUrlList(urls);
1289     }
1290
1291     return urls;
1292 }
1293
1294 QMimeData* DolphinView::selectionMimeData() const
1295 {
1296     const KFileItemModel* model = fileItemModel();
1297     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1298     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1299
1300     return model->createMimeData(selectedIndexes);
1301 }
1302
1303 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1304 {
1305     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1306     markUrlsAsSelected(urls);
1307 }
1308
1309 void DolphinView::updateWritableState()
1310 {
1311     const bool wasFolderWritable = m_isFolderWritable;
1312     m_isFolderWritable = true;
1313
1314     const KFileItem item = m_dirLister->rootItem();
1315     if (!item.isNull()) {
1316         KFileItemListProperties capabilities(KFileItemList() << item);
1317         m_isFolderWritable = capabilities.supportsWriting();
1318     }
1319     if (m_isFolderWritable != wasFolderWritable) {
1320         emit writeStateChanged(m_isFolderWritable);
1321     }
1322 }
1323
1324 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1325 {
1326     switch (sorting) {
1327     case SortByName:        return "name";
1328     case SortBySize:        return "size";
1329     case SortByDate:        return "date";
1330     case SortByPermissions: return "permissions";
1331     case SortByOwner:       return "owner";
1332     case SortByGroup:       return "group";
1333     case SortByType:        return "type";
1334     case SortByDestination: return "destination";
1335     case SortByPath:        return "path";
1336     default: break;
1337     }
1338
1339     return QByteArray();
1340 }
1341
1342 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1343 {
1344     static QHash<QByteArray, DolphinView::Sorting> sortHash;
1345     if (sortHash.isEmpty()) {
1346         sortHash.insert("name", SortByName);
1347         sortHash.insert("size", SortBySize);
1348         sortHash.insert("date", SortByDate);
1349         sortHash.insert("permissions", SortByPermissions);
1350         sortHash.insert("owner", SortByOwner);
1351         sortHash.insert("group", SortByGroup);
1352         sortHash.insert("type", SortByType);
1353         sortHash.insert("destination", SortByDestination);
1354         sortHash.insert("path", SortByPath);
1355     }
1356     return sortHash.value(sortRole);
1357 }
1358
1359 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1360 {
1361     const KLocale* locale = KGlobal::locale();
1362     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1363                                     ? 1000 : 1024;
1364
1365     QString text;
1366     if (fileSize < multiplier) {
1367         // Show the size in bytes
1368         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1369     } else if (fileSize < multiplier * multiplier) {
1370         // Show the size in kilobytes and always round up. This is done
1371         // for consistency with the values shown e.g. in the "Size" column
1372         // of the details-view.
1373         fileSize += (multiplier / 2) - 1;
1374         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1375     } else {
1376         // Show the size in the best fitting unit having one decimal
1377         text = locale->formatByteSize(fileSize, 1);
1378     }
1379     return text;
1380 }
1381
1382 #include "dolphinview.moc"