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     reload();
 451 }
 452
 453 void DolphinView::setNameFilter(const QString& nameFilter)
 454 {
 455     fileItemModel()->setNameFilter(nameFilter);
 456 }
 457
 458 QString DolphinView::nameFilter() const
 459 {
 460     return fileItemModel()->nameFilter();
 461 }
 462
 463 void DolphinView::calculateItemCount(int& fileCount,
 464                                      int& folderCount,
 465                                      KIO::filesize_t& totalFileSize) const
 466 {
 467     foreach (const KFileItem& item, m_dirLister->items()) {
 468         if (item.isDir()) {
 469             ++folderCount;
 470         } else {
 471             ++fileCount;
 472             totalFileSize += item.size();
 473         }
 474     }
 475 }
 476
 477 QString DolphinView::statusBarText() const
 478 {
 479     QString summary;
 480     QString foldersText;
 481     QString filesText;
 482
 483     int folderCount = 0;
 484     int fileCount = 0;
 485     KIO::filesize_t totalFileSize = 0;
 486
 487     if (hasSelection()) {
 488         // Give a summary of the status of the selected files
 489         const KFileItemList list = selectedItems();
 490         foreach (const KFileItem& item, list) {
 491             if (item.isDir()) {
 492                 ++folderCount;
 493             } else {
 494                 ++fileCount;
 495                 totalFileSize += item.size();
 496             }
 497         }
 498
 499         if (folderCount + fileCount == 1) {
 500             // If only one item is selected, show the filename
 501             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 502         } else {
 503             // At least 2 items are selected
 504             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 505             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 506         }
 507     } else {
 508         calculateItemCount(fileCount, folderCount, totalFileSize);
 509         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 510         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 511     }
 512
 513     if (fileCount > 0 && folderCount > 0) {
 514         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 515                         foldersText, filesText, fileSizeText(totalFileSize));
 516     } else if (fileCount > 0) {
 517         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 518     } else if (folderCount > 0) {
 519         summary = foldersText;
 520     }
 521
 522     return summary;
 523 }
 524
 525 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 526 {
 527     QList<QAction*> actions;
 528
 529     if (items.isEmpty()) {
 530         const KFileItem item = fileItemModel()->rootItem();
 531         actions = m_versionControlObserver->actions(KFileItemList() << item);
 532     } else {
 533         actions = m_versionControlObserver->actions(items);
 534     }
 535
 536     return actions;
 537 }
 538
 539 void DolphinView::setUrl(const KUrl& url)
 540 {
 541     if (url == m_url) {
 542         return;
 543     }
 544
 545     emit urlAboutToBeChanged(url);
 546     m_url = url;
 547
 548     if (GeneralSettings::showToolTips()) {
 549         m_toolTipManager->hideToolTip();
 550     }
 551
 552     // It is important to clear the items from the model before
 553     // applying the view properties, otherwise expensive operations
 554     // might be done on the existing items although they get cleared
 555     // anyhow afterwards by loadDirectory().
 556     fileItemModel()->clear();
 557     applyViewProperties();
 558     loadDirectory(url);
 559
 560     emit urlChanged(url);
 561 }
 562
 563 void DolphinView::selectAll()
 564 {
 565     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 566     selectionManager->setSelected(0, fileItemModel()->count());
 567 }
 568
 569 void DolphinView::invertSelection()
 570 {
 571     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 572     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 573 }
 574
 575 void DolphinView::clearSelection()
 576 {
 577     m_container->controller()->selectionManager()->clearSelection();
 578 }
 579
 580 void DolphinView::renameSelectedItems()
 581 {
 582     KFileItemList items = selectedItems();
 583     const int itemCount = items.count();
 584     if (itemCount < 1) {
 585         return;
 586     }
 587
 588     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 589     // renaming yet.
 590     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 591         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 592         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 593         m_viewAccessor.itemView()->edit(proxyIndex);
 594     } else {*/
 595         RenameDialog* dialog = new RenameDialog(this, items);
 596         dialog->setAttribute(Qt::WA_DeleteOnClose);
 597         dialog->show();
 598         dialog->raise();
 599         dialog->activateWindow();
 600     //}
 601
 602     // assure that the current index remains visible when KDirLister
 603     // will notify the view about changed items
 604     m_assureVisibleCurrentIndex = true;
 605 }
 606
 607 void DolphinView::trashSelectedItems()
 608 {
 609     const KUrl::List list = simplifiedSelectedUrls();
 610     KonqOperations::del(this, KonqOperations::TRASH, list);
 611 }
 612
 613 void DolphinView::deleteSelectedItems()
 614 {
 615     const KUrl::List list = simplifiedSelectedUrls();
 616     const bool del = KonqOperations::askDeleteConfirmation(list,
 617                      KonqOperations::DEL,
 618                      KonqOperations::DEFAULT_CONFIRMATION,
 619                      this);
 620
 621     if (del) {
 622         KIO::Job* job = KIO::del(list);
 623         connect(job, SIGNAL(result(KJob*)),
 624                 this, SLOT(slotDeleteFileFinished(KJob*)));
 625     }
 626 }
 627
 628 void DolphinView::cutSelectedItems()
 629 {
 630     QMimeData* mimeData = selectionMimeData();
 631     KonqMimeData::addIsCutSelection(mimeData, true);
 632     QApplication::clipboard()->setMimeData(mimeData);
 633 }
 634
 635 void DolphinView::copySelectedItems()
 636 {
 637     QMimeData* mimeData = selectionMimeData();
 638     QApplication::clipboard()->setMimeData(mimeData);
 639 }
 640
 641 void DolphinView::paste()
 642 {
 643     pasteToUrl(url());
 644 }
 645
 646 void DolphinView::pasteIntoFolder()
 647 {
 648     const KFileItemList items = selectedItems();
 649     if ((items.count() == 1) && items.first().isDir()) {
 650         pasteToUrl(items.first().url());
 651     }
 652 }
 653
 654 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 655 {
 656     switch (event->type()) {
 657     case QEvent::FocusIn:
 658         if (watched == m_container) {
 659             setActive(true);
 660         }
 661         break;
 662
 663     default:
 664         break;
 665     }
 666
 667     return QWidget::eventFilter(watched, event);
 668 }
 669
 670 void DolphinView::wheelEvent(QWheelEvent* event)
 671 {
 672     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 673         const int numDegrees = event->delta() / 8;
 674         const int numSteps = numDegrees / 15;
 675
 676         setZoomLevel(zoomLevel() + numSteps);
 677         event->accept();
 678     } else {
 679         event->ignore();
 680     }
 681 }
 682
 683 void DolphinView::activate()
 684 {
 685     setActive(true);
 686 }
 687
 688 void DolphinView::slotItemActivated(int index)
 689 {
 690     const KFileItem item = fileItemModel()->fileItem(index);
 691     if (!item.isNull()) {
 692         emit itemActivated(item);
 693     }
 694 }
 695
 696 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 697 {
 698     Q_ASSERT(indexes.count() >= 2);
 699
 700     KFileItemList items;
 701
 702     KFileItemModel* model = fileItemModel();
 703     QSetIterator<int> it(indexes);
 704     while (it.hasNext()) {
 705         const int index = it.next();
 706         items.append(model->fileItem(index));
 707     }
 708
 709     foreach (const KFileItem& item, items) {
 710         if (item.isDir()) {
 711             emit tabRequested(item.url());
 712         } else {
 713             emit itemActivated(item);
 714         }
 715     }
 716 }
 717
 718 void DolphinView::slotItemMiddleClicked(int index)
 719 {
 720     const KFileItem item = fileItemModel()->fileItem(index);
 721     if (item.isDir() || isTabsForFilesEnabled()) {
 722         emit tabRequested(item.url());
 723     }
 724 }
 725
 726 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 727 {
 728     if (GeneralSettings::showToolTips()) {
 729         m_toolTipManager->hideToolTip();
 730     }
 731     const KFileItem item = fileItemModel()->fileItem(index);
 732     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 733 }
 734
 735 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 736 {
 737     if (GeneralSettings::showToolTips()) {
 738         m_toolTipManager->hideToolTip();
 739     }
 740     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 741 }
 742
 743 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 744 {
 745     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 746
 747     KItemListView* view = m_container->controller()->view();
 748     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 749
 750     // Add all roles to the menu that can be shown or hidden by the user
 751     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 752     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 753     foreach (const DolphinView::AdditionalInfo info, keys) {
 754         const QByteArray& role = infoAccessor.role(info);
 755         if (role != "name") {
 756             const QString text = fileItemModel()->roleDescription(role);
 757
 758             QAction* action = menu.data()->addAction(text);
 759             action->setCheckable(true);
 760             action->setChecked(visibleRolesSet.contains(role));
 761             action->setData(info);
 762         }
 763     }
 764
 765     QAction* action = menu.data()->exec(pos.toPoint());
 766     if (action) {
 767         // Show or hide the selected role
 768         const DolphinView::AdditionalInfo info =
 769             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 770
 771         ViewProperties props(url());
 772         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 773
 774         const QByteArray selectedRole = infoAccessor.role(info);
 775         QList<QByteArray> visibleRoles = view->visibleRoles();
 776
 777         if (action->isChecked()) {
 778             const int index = keys.indexOf(info) + 1;
 779             visibleRoles.insert(index, selectedRole);
 780             infoList.insert(index, info);
 781         } else {
 782             visibleRoles.removeOne(selectedRole);
 783             infoList.removeOne(info);
 784         }
 785
 786         view->setVisibleRoles(visibleRoles);
 787         props.setAdditionalInfoList(infoList);
 788     }
 789
 790     delete menu.data();
 791 }
 792
 793 void DolphinView::slotItemHovered(int index)
 794 {
 795     const KFileItem item = fileItemModel()->fileItem(index);
 796
 797     if (GeneralSettings::showToolTips()) {
 798         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 799         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 800         itemRect.moveTo(pos);
 801
 802         m_toolTipManager->showToolTip(item, itemRect);
 803     }
 804
 805     emit requestItemInfo(item);
 806 }
 807
 808 void DolphinView::slotItemUnhovered(int index)
 809 {
 810     Q_UNUSED(index);
 811     if (GeneralSettings::showToolTips()) {
 812         m_toolTipManager->hideToolTip();
 813     }
 814     emit requestItemInfo(KFileItem());
 815 }
 816
 817 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 818 {
 819     const KFileItem destItem = fileItemModel()->fileItem(index);
 820
 821     QDropEvent dropEvent(event->pos().toPoint(),
 822                          event->possibleActions(),
 823                          event->mimeData(),
 824                          event->buttons(),
 825                          event->modifiers());
 826
 827     DragAndDropHelper::dropUrls(destItem, url(), &dropEvent);
 828 }
 829
 830 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 831 {
 832     if (previous != 0) {
 833         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 834     }
 835
 836     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 837     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 838
 839     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 840     m_versionControlObserver->setModel(fileItemModel);
 841 }
 842
 843 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 844 {
 845     const int currentCount = current.count();
 846     const int previousCount = previous.count();
 847     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 848                                        (currentCount >  0 && previousCount == 0);
 849
 850     // If nothing has been selected before and something got selected (or if something
 851     // was selected before and now nothing is selected) the selectionChangedSignal must
 852     // be emitted asynchronously as fast as possible to update the edit-actions.
 853     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 854     m_selectionChangedTimer->start();
 855 }
 856
 857 void DolphinView::emitSelectionChangedSignal()
 858 {
 859     m_selectionChangedTimer->stop();
 860     emit selectionChanged(selectedItems());
 861 }
 862
 863 void DolphinView::dropUrls(const KFileItem& destItem,
 864                            const KUrl& destPath,
 865                            QDropEvent* event)
 866 {
 867     Q_UNUSED(destItem);
 868     Q_UNUSED(destPath);
 869     markPastedUrlsAsSelected(event->mimeData());
 870     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 871 }
 872
 873 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 874 {
 875     ViewProperties props(url());
 876     props.setSorting(sorting);
 877
 878     KItemModelBase* model = m_container->controller()->model();
 879     model->setSortRole(sortRoleForSorting(sorting));
 880
 881     emit sortingChanged(sorting);
 882 }
 883
 884 void DolphinView::updateSortOrder(Qt::SortOrder order)
 885 {
 886     ViewProperties props(url());
 887     props.setSortOrder(order);
 888
 889     KItemModelBase* model = fileItemModel();
 890     model->setSortOrder(order);
 891
 892     emit sortOrderChanged(order);
 893 }
 894
 895 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 896 {
 897     ViewProperties props(url());
 898     props.setSortFoldersFirst(foldersFirst);
 899
 900     KFileItemModel* model = fileItemModel();
 901     model->setSortFoldersFirst(foldersFirst);
 902
 903     emit sortFoldersFirstChanged(foldersFirst);
 904 }
 905
 906 QPair<bool, QString> DolphinView::pasteInfo() const
 907 {
 908     return KonqOperations::pasteInfo(url());
 909 }
 910
 911 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 912 {
 913     m_tabsForFiles = tabsForFiles;
 914 }
 915
 916 bool DolphinView::isTabsForFilesEnabled() const
 917 {
 918     return m_tabsForFiles;
 919 }
 920
 921 bool DolphinView::itemsExpandable() const
 922 {
 923     return m_mode == DetailsView;
 924 }
 925
 926 void DolphinView::restoreState(QDataStream& stream)
 927 {
 928     // Restore the current item that had the keyboard focus
 929     stream >> m_currentItemUrl;
 930
 931     // Restore the view position
 932     stream >> m_restoredContentsPosition;
 933
 934     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 935     QSet<KUrl> urls;
 936     stream >> urls;
 937     fileItemModel()->restoreExpandedUrls(urls);
 938 }
 939
 940 void DolphinView::saveState(QDataStream& stream)
 941 {
 942     // Save the current item that has the keyboard focus
 943     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 944     if (currentIndex != -1) {
 945         KFileItem item = fileItemModel()->fileItem(currentIndex);
 946         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 947         KUrl currentItemUrl = item.url();
 948         stream << currentItemUrl;
 949     } else {
 950         stream << KUrl();
 951     }
 952
 953     // Save view position
 954     const qreal x = m_container->horizontalScrollBar()->value();
 955     const qreal y = m_container->verticalScrollBar()->value();
 956     stream << QPoint(x, y);
 957
 958     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 959     stream << fileItemModel()->expandedUrls();
 960 }
 961
 962 bool DolphinView::hasSelection() const
 963 {
 964     return m_container->controller()->selectionManager()->hasSelection();
 965 }
 966
 967 KFileItem DolphinView::rootItem() const
 968 {
 969     return m_dirLister->rootItem();
 970 }
 971
 972 void DolphinView::observeCreatedItem(const KUrl& url)
 973 {
 974     m_createdItemUrl = url;
 975     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 976     //        this, SLOT(selectAndScrollToCreatedItem()));
 977 }
 978
 979 void DolphinView::selectAndScrollToCreatedItem()
 980 {
 981     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 982     if (dirIndex.isValid()) {
 983         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 984         QAbstractItemView* view = m_viewAccessor.itemView();
 985         if (view) {
 986             view->setCurrentIndex(proxyIndex);
 987         }
 988     }
 989
 990     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 991                this, SLOT(selectAndScrollToCreatedItem()));*/
 992     m_createdItemUrl = KUrl();
 993 }
 994
 995 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
 996 {
 997     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
 998         emit redirection(oldUrl, newUrl);
 999         m_url = newUrl; // #186947
1000     }
1001 }
1002
1003 void DolphinView::updateViewState()
1004 {
1005     if (m_currentItemUrl != KUrl()) {
1006         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1007         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1008         if (currentIndex != -1) {
1009             selectionManager->setCurrentItem(currentIndex);
1010         } else {
1011             selectionManager->setCurrentItem(0);
1012         }
1013         m_currentItemUrl = KUrl();
1014     }
1015
1016     if (!m_restoredContentsPosition.isNull()) {
1017         const int x = m_restoredContentsPosition.x();
1018         const int y = m_restoredContentsPosition.y();
1019         m_restoredContentsPosition = QPoint();
1020
1021         m_container->horizontalScrollBar()->setValue(x);
1022         m_container->verticalScrollBar()->setValue(y);
1023     }
1024
1025     if (!m_selectedUrls.isEmpty()) {
1026         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1027         QSet<int> selectedItems = selectionManager->selectedItems();
1028         const KFileItemModel* model = fileItemModel();
1029
1030         foreach (const KUrl& url, m_selectedUrls) {
1031             const int index = model->index(url);
1032             if (index >= 0) {
1033                 selectedItems.insert(index);
1034             }
1035         }
1036
1037         selectionManager->setSelectedItems(selectedItems);
1038         m_selectedUrls.clear();
1039     }
1040 }
1041
1042 void DolphinView::showHoverInformation(const KFileItem& item)
1043 {
1044     emit requestItemInfo(item);
1045 }
1046
1047 void DolphinView::clearHoverInformation()
1048 {
1049     emit requestItemInfo(KFileItem());
1050 }
1051
1052 void DolphinView::slotDeleteFileFinished(KJob* job)
1053 {
1054     if (job->error() == 0) {
1055         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1056     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1057         emit errorMessage(job->errorString());
1058     }
1059 }
1060
1061 void DolphinView::slotDirListerStarted(const KUrl& url)
1062 {
1063     // Disable the writestate temporary until it can be determined in a fast way
1064     // in DolphinView::slotLoadingCompleted()
1065     if (m_isFolderWritable) {
1066         m_isFolderWritable = false;
1067         emit writeStateChanged(m_isFolderWritable);
1068     }
1069
1070     emit startedPathLoading(url);
1071 }
1072
1073 void DolphinView::slotLoadingCompleted()
1074 {
1075     // Update the view-state. This has to be done using a Qt::QueuedConnection
1076     // because the view might not be in its final state yet (the view also
1077     // listens to the completed()-signal from KDirLister and the order of
1078     // of slots is undefined).
1079     QTimer::singleShot(0, this, SLOT(updateViewState()));
1080
1081     emit finishedPathLoading(url());
1082
1083     updateWritableState();
1084 }
1085
1086 void DolphinView::slotRefreshItems()
1087 {
1088     if (m_assureVisibleCurrentIndex) {
1089         m_assureVisibleCurrentIndex = false;
1090         //QAbstractItemView* view = m_viewAccessor.itemView();
1091         //if (view) {
1092         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1093         //}
1094     }
1095 }
1096
1097 KFileItemModel* DolphinView::fileItemModel() const
1098 {
1099     return static_cast<KFileItemModel*>(m_container->controller()->model());
1100 }
1101
1102 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1103 {
1104     if (!url.isValid()) {
1105         const QString location(url.pathOrUrl());
1106         if (location.isEmpty()) {
1107             emit errorMessage(i18nc("@info:status", "The location is empty."));
1108         } else {
1109             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1110         }
1111         return;
1112     }
1113
1114     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1115 }
1116
1117 void DolphinView::applyViewProperties()
1118 {
1119     m_container->beginTransaction();
1120
1121     const ViewProperties props(url());
1122     KFileItemModel* model = fileItemModel();
1123
1124     const Mode mode = props.viewMode();
1125     if (m_mode != mode) {
1126         // Prevent an animated transition of the position and size of the items when switching
1127         // the view-mode by temporary clearing the model and updating it again after the view mode
1128         // has been modified.
1129         const bool restoreModel = (model->count() > 0);
1130         if (restoreModel) {
1131             const int currentItemIndex = m_container->controller()->selectionManager()->currentItem();
1132             if (currentItemIndex >= 0) {
1133                 m_currentItemUrl = model->fileItem(currentItemIndex).url();
1134             }
1135             m_selectedUrls = selectedItems().urlList();
1136             model->clear();
1137         }
1138
1139         const Mode previousMode = m_mode;
1140         m_mode = mode;
1141
1142         // Changing the mode might result in changing
1143         // the zoom level. Remember the old zoom level so
1144         // that zoomLevelChanged() can get emitted.
1145         const int oldZoomLevel = m_container->zoomLevel();
1146
1147         switch (m_mode) {
1148         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1149         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1150         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1151         default: Q_ASSERT(false); break;
1152         }
1153
1154         emit modeChanged(m_mode, previousMode);
1155
1156         if (m_container->zoomLevel() != oldZoomLevel) {
1157             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1158         }
1159
1160         if (restoreModel) {
1161             loadDirectory(url());
1162         }
1163     }
1164
1165     const bool hiddenFilesShown = props.hiddenFilesShown();
1166     if (hiddenFilesShown != model->showHiddenFiles()) {
1167         model->setShowHiddenFiles(hiddenFilesShown);
1168         emit hiddenFilesShownChanged(hiddenFilesShown);
1169     }
1170
1171     const bool groupedSorting = props.groupedSorting();
1172     if (groupedSorting != model->groupedSorting()) {
1173         model->setGroupedSorting(groupedSorting);
1174         emit groupedSortingChanged(groupedSorting);
1175     }
1176
1177     const DolphinView::Sorting sorting = props.sorting();
1178     const QByteArray newSortRole = sortRoleForSorting(sorting);
1179     if (newSortRole != model->sortRole()) {
1180         model->setSortRole(newSortRole);
1181         emit sortingChanged(sorting);
1182     }
1183
1184     const Qt::SortOrder sortOrder = props.sortOrder();
1185     if (sortOrder != model->sortOrder()) {
1186         model->setSortOrder(sortOrder);
1187         emit sortOrderChanged(sortOrder);
1188     }
1189
1190     const bool sortFoldersFirst = props.sortFoldersFirst();
1191     if (sortFoldersFirst != model->sortFoldersFirst()) {
1192         model->setSortFoldersFirst(sortFoldersFirst);
1193         emit sortFoldersFirstChanged(sortFoldersFirst);
1194     }
1195
1196     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1197     if (infoList != m_additionalInfoList) {
1198         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1199         m_additionalInfoList = infoList;
1200         applyAdditionalInfoListToView();
1201         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1202     }
1203
1204     const bool previewsShown = props.previewsShown();
1205     if (previewsShown != m_container->previewsShown()) {
1206         const int oldZoomLevel = zoomLevel();
1207
1208         m_container->setPreviewsShown(previewsShown);
1209         emit previewsShownChanged(previewsShown);
1210
1211         // Changing the preview-state might result in a changed zoom-level
1212         if (oldZoomLevel != zoomLevel()) {
1213             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1214         }
1215     }
1216
1217     m_container->endTransaction();
1218 }
1219
1220 void DolphinView::applyAdditionalInfoListToView()
1221 {
1222     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1223
1224     QList<QByteArray> visibleRoles;
1225     visibleRoles.reserve(m_additionalInfoList.count() + 1);
1226     visibleRoles.append("name");
1227
1228     foreach (AdditionalInfo info, m_additionalInfoList) {
1229         visibleRoles.append(infoAccessor.role(info));
1230     }
1231
1232     m_container->setVisibleRoles(visibleRoles);
1233 }
1234
1235 void DolphinView::pasteToUrl(const KUrl& url)
1236 {
1237     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1238     KonqOperations::doPaste(this, url);
1239 }
1240
1241 KUrl::List DolphinView::simplifiedSelectedUrls() const
1242 {
1243     KUrl::List urls;
1244
1245     const KFileItemList items = selectedItems();
1246     foreach (const KFileItem &item, items) {
1247         urls.append(item.url());
1248     }
1249
1250     if (itemsExpandable()) {
1251         // TODO: Check if we still need KDirModel for this in KDE 5.0
1252         urls = KDirModel::simplifiedUrlList(urls);
1253     }
1254
1255     return urls;
1256 }
1257
1258 QMimeData* DolphinView::selectionMimeData() const
1259 {
1260     const KFileItemModel* model = fileItemModel();
1261     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1262     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1263
1264     return model->createMimeData(selectedIndexes);
1265 }
1266
1267 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1268 {
1269     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1270     markUrlsAsSelected(urls);
1271 }
1272
1273 void DolphinView::updateWritableState()
1274 {
1275     const bool wasFolderWritable = m_isFolderWritable;
1276     m_isFolderWritable = true;
1277
1278     const KFileItem item = m_dirLister->rootItem();
1279     if (!item.isNull()) {
1280         KFileItemListProperties capabilities(KFileItemList() << item);
1281         m_isFolderWritable = capabilities.supportsWriting();
1282     }
1283     if (m_isFolderWritable != wasFolderWritable) {
1284         emit writeStateChanged(m_isFolderWritable);
1285     }
1286 }
1287
1288 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1289 {
1290     switch (sorting) {
1291     case SortByName:        return "name";
1292     case SortBySize:        return "size";
1293     case SortByDate:        return "date";
1294     case SortByPermissions: return "permissions";
1295     case SortByOwner:       return "owner";
1296     case SortByGroup:       return "group";
1297     case SortByType:        return "type";
1298     case SortByDestination: return "destination";
1299     case SortByPath:        return "path";
1300     default: break;
1301     }
1302
1303     return QByteArray();
1304 }
1305
1306 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1307 {
1308     static QHash<QByteArray, DolphinView::Sorting> sortHash;
1309     if (sortHash.isEmpty()) {
1310         sortHash.insert("name", SortByName);
1311         sortHash.insert("size", SortBySize);
1312         sortHash.insert("date", SortByDate);
1313         sortHash.insert("permissions", SortByPermissions);
1314         sortHash.insert("owner", SortByOwner);
1315         sortHash.insert("group", SortByGroup);
1316         sortHash.insert("type", SortByType);
1317         sortHash.insert("destination", SortByDestination);
1318         sortHash.insert("path", SortByPath);
1319     }
1320     return sortHash.value(sortRole);
1321 }
1322
1323 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1324 {
1325     const KLocale* locale = KGlobal::locale();
1326     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1327                                     ? 1000 : 1024;
1328
1329     QString text;
1330     if (fileSize < multiplier) {
1331         // Show the size in bytes
1332         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1333     } else if (fileSize < multiplier * multiplier) {
1334         // Show the size in kilobytes and always round up. This is done
1335         // for consistency with the values shown e.g. in the "Size" column
1336         // of the details-view.
1337         fileSize += (multiplier / 2) - 1;
1338         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1339     } else {
1340         // Show the size in the best fitting unit having one decimal
1341         text = locale->formatByteSize(fileSize, 1);
1342     }
1343     return text;
1344 }
1345
1346 #include "dolphinview.moc"