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