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