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