src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QBoxLayout>
  26 #include <QClipboard>
  27 #include <QDropEvent>
  28 #include <QGraphicsSceneDragDropEvent>
  29 #include <QKeyEvent>
  30 #include <QItemSelection>
  31 #include <QTimer>
  32 #include <QScrollBar>
  33
  34 #include <KActionCollection>
  35 #include <KColorScheme>
  36 #include <KDirLister>
  37 #include <KDirModel>
  38 #include <KIconEffect>
  39 #include <KFileItem>
  40 #include <KFileItemListProperties>
  41 #include <KLocale>
  42 #include <kitemviews/kfileitemmodel.h>
  43 #include <kitemviews/kfileitemlistview.h>
  44 #include <kitemviews/kitemlistselectionmanager.h>
  45 #include <kitemviews/kitemlistview.h>
  46 #include <kitemviews/kitemlistcontroller.h>
  47 #include <KIO/DeleteJob>
  48 #include <KIO/NetAccess>
  49 #include <KIO/PreviewJob>
  50 #include <KJob>
  51 #include <KMenu>
  52 #include <KMessageBox>
  53 #include <konq_fileitemcapabilities.h>
  54 #include <konq_operations.h>
  55 #include <konqmimedata.h>
  56 #include <KToggleAction>
  57 #include <KUrl>
  58
  59 #include "additionalinfoaccessor.h"
  60 #include "dolphindirlister.h"
  61 #include "dolphinnewfilemenuobserver.h"
  62 #include "dolphin_detailsmodesettings.h"
  63 #include "dolphin_generalsettings.h"
  64 #include "dolphinitemlistcontainer.h"
  65 #include "draganddrophelper.h"
  66 #include "renamedialog.h"
  67 #include "versioncontrol/versioncontrolobserver.h"
  68 #include "viewmodecontroller.h"
  69 #include "viewproperties.h"
  70 #include "views/tooltips/tooltipmanager.h"
  71 #include "zoomlevelinfo.h"
  72
  73 namespace {
  74     const int MaxModeEnum = DolphinView::CompactView;
  75     const int MaxSortingEnum = DolphinView::SortByPath;
  76 };
  77
  78 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  79     QWidget(parent),
  80     m_active(true),
  81     m_tabsForFiles(false),
  82     m_assureVisibleCurrentIndex(false),
  83     m_isFolderWritable(true),
  84     m_url(url),
  85     m_mode(DolphinView::IconsView),
  86     m_additionalInfoList(),
  87     m_topLayout(0),
  88     m_dirLister(0),
  89     m_container(0),
  90     m_toolTipManager(0),
  91     m_selectionChangedTimer(0),
  92     m_currentItemUrl(),
  93     m_restoredContentsPosition(),
  94     m_createdItemUrl(),
  95     m_selectedUrls(),
  96     m_versionControlObserver(0)
  97 {
  98     m_topLayout = new QVBoxLayout(this);
  99     m_topLayout->setSpacing(0);
 100     m_topLayout->setMargin(0);
 101
 102     // When a new item has been created by the "Create New..." menu, the item should
 103     // get selected and it must be assured that the item will get visible. As the
 104     // creation is done asynchronously, several signals must be checked:
 105     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 106             this, SLOT(observeCreatedItem(KUrl)));
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 112             this, SLOT(emitSelectionChangedSignal()));
 113
 114     m_dirLister = new DolphinDirLister(this);
 115     m_dirLister->setAutoUpdate(true);
 116     m_dirLister->setDelayedMimeTypes(true);
 117
 118     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
 119     connect(m_dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
 120     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
 121             this, SLOT(slotRefreshItems()));
 122
 123     connect(m_dirLister, SIGNAL(clear()),                     this, SIGNAL(itemCountChanged()));
 124     connect(m_dirLister, SIGNAL(newItems(KFileItemList)),     this, SIGNAL(itemCountChanged()));
 125     connect(m_dirLister, SIGNAL(infoMessage(QString)),        this, SIGNAL(infoMessage(QString)));
 126     connect(m_dirLister, SIGNAL(errorMessage(QString)),       this, SIGNAL(infoMessage(QString)));
 127     connect(m_dirLister, SIGNAL(percent(int)),                this, SIGNAL(pathLoadingProgress(int)));
 128     connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)),        this, SIGNAL(urlIsFileError(KUrl)));
 129     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
 130
 131     m_container = new DolphinItemListContainer(m_dirLister, this);
 132     m_container->setVisibleRoles(QList<QByteArray>() << "name");
 133     m_container->installEventFilter(this);
 134     setFocusProxy(m_container);
 135
 136     KItemListController* controller = m_container->controller();
 137     controller->setSelectionBehavior(KItemListController::MultiSelection);
 138     if (GeneralSettings::autoExpandFolders()) {
 139         controller->setAutoActivationDelay(750);
 140     }
 141     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 142     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 143     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 144     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 145     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 146     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 147     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 148     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 149     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 150     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 151
 152     KFileItemModel* model = fileItemModel();
 153     if (model) {
 154         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 155     }
 156
 157     KItemListView* view = controller->view();
 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
 163     KItemListSelectionManager* selectionManager = controller->selectionManager();
 164     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 165             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 166
 167     m_toolTipManager = new ToolTipManager(this);
 168
 169     m_versionControlObserver = new VersionControlObserver(this);
 170     m_versionControlObserver->setModel(model);
 171     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 172     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 173     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 174
 175     applyViewProperties();
 176     m_topLayout->addWidget(m_container);
 177
 178     loadDirectory(url);
 179 }
 180
 181 DolphinView::~DolphinView()
 182 {
 183 }
 184
 185 KUrl DolphinView::url() const
 186 {
 187     return m_url;
 188 }
 189
 190 void DolphinView::setActive(bool active)
 191 {
 192     if (active == m_active) {
 193         return;
 194     }
 195
 196     m_active = active;
 197
 198     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 199     if (!active) {
 200         color.setAlpha(150);
 201     }
 202
 203     QWidget* viewport = m_container->viewport();
 204     if (viewport) {
 205         QPalette palette;
 206         palette.setColor(viewport->backgroundRole(), color);
 207         viewport->setPalette(palette);
 208     }
 209
 210     update();
 211
 212     if (active) {
 213         m_container->setFocus();
 214         emit activated();
 215         emit writeStateChanged(m_isFolderWritable);
 216     }
 217 }
 218
 219 bool DolphinView::isActive() const
 220 {
 221     return m_active;
 222 }
 223
 224 void DolphinView::setMode(Mode mode)
 225 {
 226     if (mode != m_mode) {
 227         ViewProperties props(url());
 228         props.setViewMode(mode);
 229         props.save();
 230
 231         applyViewProperties();
 232     }
 233 }
 234
 235 DolphinView::Mode DolphinView::mode() const
 236 {
 237     return m_mode;
 238 }
 239
 240 void DolphinView::setPreviewsShown(bool show)
 241 {
 242     if (previewsShown() == show) {
 243         return;
 244     }
 245
 246     ViewProperties props(url());
 247     props.setPreviewsShown(show);
 248
 249     m_container->setPreviewsShown(show);
 250     emit previewsShownChanged(show);
 251 }
 252
 253 bool DolphinView::previewsShown() const
 254 {
 255     return m_container->previewsShown();
 256 }
 257
 258 void DolphinView::setHiddenFilesShown(bool show)
 259 {
 260     if (m_dirLister->showingDotFiles() == show) {
 261         return;
 262     }
 263
 264     const KFileItemList itemList = selectedItems();
 265     m_selectedUrls.clear();
 266     m_selectedUrls = itemList.urlList();
 267
 268     ViewProperties props(url());
 269     props.setHiddenFilesShown(show);
 270
 271     fileItemModel()->setShowHiddenFiles(show);
 272     emit hiddenFilesShownChanged(show);
 273 }
 274
 275 bool DolphinView::hiddenFilesShown() const
 276 {
 277     return m_dirLister->showingDotFiles();
 278 }
 279
 280 void DolphinView::setGroupedSorting(bool grouped)
 281 {
 282     if (grouped == groupedSorting()) {
 283         return;
 284     }
 285
 286     ViewProperties props(url());
 287     props.setGroupedSorting(grouped);
 288     props.save();
 289
 290     m_container->controller()->model()->setGroupedSorting(grouped);
 291
 292     emit groupedSortingChanged(grouped);
 293 }
 294
 295 bool DolphinView::groupedSorting() const
 296 {
 297     return fileItemModel()->groupedSorting();
 298 }
 299
 300 KFileItemList DolphinView::items() const
 301 {
 302     return m_dirLister->items();
 303 }
 304
 305 KFileItemList DolphinView::selectedItems() const
 306 {
 307     const KFileItemModel* model = fileItemModel();
 308     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 309     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 310
 311     QList<int> sortedIndexes = selectedIndexes.toList();
 312     qSort(sortedIndexes);
 313
 314     KFileItemList selectedItems;
 315     QListIterator<int> it(sortedIndexes);
 316     while (it.hasNext()) {
 317         const int index = it.next();
 318         selectedItems.append(model->fileItem(index));
 319     }
 320     return selectedItems;
 321 }
 322
 323 int DolphinView::selectedItemsCount() const
 324 {
 325     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 326     return selectionManager->selectedItems().count();
 327 }
 328
 329 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 330 {
 331     m_selectedUrls = urls;
 332 }
 333
 334 void DolphinView::markUrlAsCurrent(const KUrl& url)
 335 {
 336     m_currentItemUrl = url;
 337 }
 338
 339 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 340 {
 341     const KItemListSelectionManager::SelectionMode mode = enabled
 342                                                         ? KItemListSelectionManager::Select
 343                                                         : KItemListSelectionManager::Deselect;
 344     const KFileItemModel* model = fileItemModel();
 345     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 346
 347     for (int index = 0; index < model->count(); index++) {
 348         const KFileItem item = model->fileItem(index);
 349         if (pattern.exactMatch(item.text())) {
 350             // An alternative approach would be to store the matching items in a QSet<int> and
 351             // select them in one go after the loop, but we'd need a new function
 352             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 353             // for that.
 354             selectionManager->setSelected(index, 1, mode);
 355         }
 356     }
 357 }
 358
 359 void DolphinView::setZoomLevel(int level)
 360 {
 361     const int oldZoomLevel = zoomLevel();
 362     m_container->setZoomLevel(level);
 363     if (zoomLevel() != oldZoomLevel) {
 364         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 365     }
 366 }
 367
 368 int DolphinView::zoomLevel() const
 369 {
 370     return m_container->zoomLevel();
 371 }
 372
 373 void DolphinView::setSorting(Sorting sorting)
 374 {
 375     if (sorting != this->sorting()) {
 376         updateSorting(sorting);
 377     }
 378 }
 379
 380 DolphinView::Sorting DolphinView::sorting() const
 381 {
 382     KItemModelBase* model = m_container->controller()->model();
 383     return sortingForSortRole(model->sortRole());
 384 }
 385
 386 void DolphinView::setSortOrder(Qt::SortOrder order)
 387 {
 388     if (sortOrder() != order) {
 389         updateSortOrder(order);
 390     }
 391 }
 392
 393 Qt::SortOrder DolphinView::sortOrder() const
 394 {
 395     KItemModelBase* model = fileItemModel();
 396     return model->sortOrder();
 397 }
 398
 399 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 400 {
 401     if (sortFoldersFirst() != foldersFirst) {
 402         updateSortFoldersFirst(foldersFirst);
 403     }
 404 }
 405
 406 bool DolphinView::sortFoldersFirst() const
 407 {
 408     KFileItemModel* model = fileItemModel();
 409     return model->sortFoldersFirst();
 410 }
 411
 412 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 413 {
 414     const QList<AdditionalInfo> previousList = info;
 415
 416     ViewProperties props(url());
 417     props.setAdditionalInfoList(info);
 418
 419     m_additionalInfoList = info;
 420     applyAdditionalInfoListToView();
 421
 422     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 423 }
 424
 425 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 426 {
 427     return m_additionalInfoList;
 428 }
 429
 430 void DolphinView::reload()
 431 {
 432     QByteArray viewState;
 433     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 434     saveState(saveStream);
 435
 436     const KFileItemList itemList = selectedItems();
 437     m_selectedUrls.clear();
 438     m_selectedUrls = itemList.urlList();
 439
 440     setUrl(url());
 441     loadDirectory(url(), true);
 442
 443     QDataStream restoreStream(viewState);
 444     restoreState(restoreStream);
 445 }
 446
 447 void DolphinView::stopLoading()
 448 {
 449     m_dirLister->stop();
 450 }
 451
 452 void DolphinView::refresh()
 453 {
 454     GeneralSettings::self()->readConfig();
 455     m_container->refresh();
 456     applyViewProperties();
 457 }
 458
 459 void DolphinView::setNameFilter(const QString& nameFilter)
 460 {
 461     fileItemModel()->setNameFilter(nameFilter);
 462 }
 463
 464 QString DolphinView::nameFilter() const
 465 {
 466     return fileItemModel()->nameFilter();
 467 }
 468
 469 void DolphinView::calculateItemCount(int& fileCount,
 470                                      int& folderCount,
 471                                      KIO::filesize_t& totalFileSize) const
 472 {
 473     foreach (const KFileItem& item, m_dirLister->items()) {
 474         if (item.isDir()) {
 475             ++folderCount;
 476         } else {
 477             ++fileCount;
 478             totalFileSize += item.size();
 479         }
 480     }
 481 }
 482
 483 QString DolphinView::statusBarText() const
 484 {
 485     QString summary;
 486     QString foldersText;
 487     QString filesText;
 488
 489     int folderCount = 0;
 490     int fileCount = 0;
 491     KIO::filesize_t totalFileSize = 0;
 492
 493     if (hasSelection()) {
 494         // Give a summary of the status of the selected files
 495         const KFileItemList list = selectedItems();
 496         foreach (const KFileItem& item, list) {
 497             if (item.isDir()) {
 498                 ++folderCount;
 499             } else {
 500                 ++fileCount;
 501                 totalFileSize += item.size();
 502             }
 503         }
 504
 505         if (folderCount + fileCount == 1) {
 506             // If only one item is selected, show the filename
 507             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 508         } else {
 509             // At least 2 items are selected
 510             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 511             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 512         }
 513     } else {
 514         calculateItemCount(fileCount, folderCount, totalFileSize);
 515         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 516         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 517     }
 518
 519     if (fileCount > 0 && folderCount > 0) {
 520         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 521                         foldersText, filesText, fileSizeText(totalFileSize));
 522     } else if (fileCount > 0) {
 523         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 524     } else if (folderCount > 0) {
 525         summary = foldersText;
 526     }
 527
 528     return summary;
 529 }
 530
 531 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 532 {
 533     QList<QAction*> actions;
 534
 535     if (items.isEmpty()) {
 536         const KFileItem item = fileItemModel()->rootItem();
 537         actions = m_versionControlObserver->actions(KFileItemList() << item);
 538     } else {
 539         actions = m_versionControlObserver->actions(items);
 540     }
 541
 542     return actions;
 543 }
 544
 545 void DolphinView::setUrl(const KUrl& url)
 546 {
 547     if (url == m_url) {
 548         return;
 549     }
 550
 551     emit urlAboutToBeChanged(url);
 552     m_url = url;
 553
 554     if (GeneralSettings::showToolTips()) {
 555         m_toolTipManager->hideToolTip();
 556     }
 557
 558     // It is important to clear the items from the model before
 559     // applying the view properties, otherwise expensive operations
 560     // might be done on the existing items although they get cleared
 561     // anyhow afterwards by loadDirectory().
 562     fileItemModel()->clear();
 563     applyViewProperties();
 564     loadDirectory(url);
 565
 566     emit urlChanged(url);
 567 }
 568
 569 void DolphinView::selectAll()
 570 {
 571     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 572     selectionManager->setSelected(0, fileItemModel()->count());
 573 }
 574
 575 void DolphinView::invertSelection()
 576 {
 577     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 578     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 579 }
 580
 581 void DolphinView::clearSelection()
 582 {
 583     m_container->controller()->selectionManager()->clearSelection();
 584 }
 585
 586 void DolphinView::renameSelectedItems()
 587 {
 588     KFileItemList items = selectedItems();
 589     const int itemCount = items.count();
 590     if (itemCount < 1) {
 591         return;
 592     }
 593
 594     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 595     // renaming yet.
 596     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 597         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 598         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 599         m_viewAccessor.itemView()->edit(proxyIndex);
 600     } else {*/
 601         RenameDialog* dialog = new RenameDialog(this, items);
 602         dialog->setAttribute(Qt::WA_DeleteOnClose);
 603         dialog->show();
 604         dialog->raise();
 605         dialog->activateWindow();
 606     //}
 607
 608     // assure that the current index remains visible when KDirLister
 609     // will notify the view about changed items
 610     m_assureVisibleCurrentIndex = true;
 611 }
 612
 613 void DolphinView::trashSelectedItems()
 614 {
 615     const KUrl::List list = simplifiedSelectedUrls();
 616     KonqOperations::del(this, KonqOperations::TRASH, list);
 617 }
 618
 619 void DolphinView::deleteSelectedItems()
 620 {
 621     const KUrl::List list = simplifiedSelectedUrls();
 622     const bool del = KonqOperations::askDeleteConfirmation(list,
 623                      KonqOperations::DEL,
 624                      KonqOperations::DEFAULT_CONFIRMATION,
 625                      this);
 626
 627     if (del) {
 628         KIO::Job* job = KIO::del(list);
 629         connect(job, SIGNAL(result(KJob*)),
 630                 this, SLOT(slotDeleteFileFinished(KJob*)));
 631     }
 632 }
 633
 634 void DolphinView::cutSelectedItems()
 635 {
 636     QMimeData* mimeData = selectionMimeData();
 637     KonqMimeData::addIsCutSelection(mimeData, true);
 638     QApplication::clipboard()->setMimeData(mimeData);
 639 }
 640
 641 void DolphinView::copySelectedItems()
 642 {
 643     QMimeData* mimeData = selectionMimeData();
 644     QApplication::clipboard()->setMimeData(mimeData);
 645 }
 646
 647 void DolphinView::paste()
 648 {
 649     pasteToUrl(url());
 650 }
 651
 652 void DolphinView::pasteIntoFolder()
 653 {
 654     const KFileItemList items = selectedItems();
 655     if ((items.count() == 1) && items.first().isDir()) {
 656         pasteToUrl(items.first().url());
 657     }
 658 }
 659
 660 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 661 {
 662     switch (event->type()) {
 663     case QEvent::FocusIn:
 664         if (watched == m_container) {
 665             setActive(true);
 666         }
 667         break;
 668
 669     default:
 670         break;
 671     }
 672
 673     return QWidget::eventFilter(watched, event);
 674 }
 675
 676 void DolphinView::wheelEvent(QWheelEvent* event)
 677 {
 678     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 679         const int numDegrees = event->delta() / 8;
 680         const int numSteps = numDegrees / 15;
 681
 682         setZoomLevel(zoomLevel() + numSteps);
 683         event->accept();
 684     } else {
 685         event->ignore();
 686     }
 687 }
 688
 689 void DolphinView::activate()
 690 {
 691     setActive(true);
 692 }
 693
 694 void DolphinView::slotItemActivated(int index)
 695 {
 696     const KFileItem item = fileItemModel()->fileItem(index);
 697     if (!item.isNull()) {
 698         emit itemActivated(item);
 699     }
 700 }
 701
 702 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 703 {
 704     Q_ASSERT(indexes.count() >= 2);
 705
 706     KFileItemList items;
 707
 708     KFileItemModel* model = fileItemModel();
 709     QSetIterator<int> it(indexes);
 710     while (it.hasNext()) {
 711         const int index = it.next();
 712         items.append(model->fileItem(index));
 713     }
 714
 715     foreach (const KFileItem& item, items) {
 716         if (item.isDir()) {
 717             emit tabRequested(item.url());
 718         } else {
 719             emit itemActivated(item);
 720         }
 721     }
 722 }
 723
 724 void DolphinView::slotItemMiddleClicked(int index)
 725 {
 726     const KFileItem item = fileItemModel()->fileItem(index);
 727     if (item.isDir() || isTabsForFilesEnabled()) {
 728         emit tabRequested(item.url());
 729     }
 730 }
 731
 732 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 733 {
 734     if (GeneralSettings::showToolTips()) {
 735         m_toolTipManager->hideToolTip();
 736     }
 737     const KFileItem item = fileItemModel()->fileItem(index);
 738     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 739 }
 740
 741 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 742 {
 743     if (GeneralSettings::showToolTips()) {
 744         m_toolTipManager->hideToolTip();
 745     }
 746     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 747 }
 748
 749 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 750 {
 751     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 752
 753     KItemListView* view = m_container->controller()->view();
 754     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 755
 756     // Add all roles to the menu that can be shown or hidden by the user
 757     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 758     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 759     foreach (const DolphinView::AdditionalInfo info, keys) {
 760         const QByteArray& role = infoAccessor.role(info);
 761         if (role != "name") {
 762             const QString text = fileItemModel()->roleDescription(role);
 763
 764             QAction* action = menu.data()->addAction(text);
 765             action->setCheckable(true);
 766             action->setChecked(visibleRolesSet.contains(role));
 767             action->setData(info);
 768         }
 769     }
 770
 771     QAction* action = menu.data()->exec(pos.toPoint());
 772     if (action) {
 773         // Show or hide the selected role
 774         const DolphinView::AdditionalInfo info =
 775             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 776
 777         ViewProperties props(url());
 778         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 779
 780         const QByteArray selectedRole = infoAccessor.role(info);
 781         QList<QByteArray> visibleRoles = view->visibleRoles();
 782
 783         if (action->isChecked()) {
 784             const int index = keys.indexOf(info) + 1;
 785             visibleRoles.insert(index, selectedRole);
 786             infoList.insert(index, info);
 787         } else {
 788             visibleRoles.removeOne(selectedRole);
 789             infoList.removeOne(info);
 790         }
 791
 792         view->setVisibleRoles(visibleRoles);
 793         props.setAdditionalInfoList(infoList);
 794     }
 795
 796     delete menu.data();
 797 }
 798
 799 void DolphinView::slotItemHovered(int index)
 800 {
 801     const KFileItem item = fileItemModel()->fileItem(index);
 802
 803     if (GeneralSettings::showToolTips()) {
 804         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 805         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 806         itemRect.moveTo(pos);
 807
 808         m_toolTipManager->showToolTip(item, itemRect);
 809     }
 810
 811     emit requestItemInfo(item);
 812 }
 813
 814 void DolphinView::slotItemUnhovered(int index)
 815 {
 816     Q_UNUSED(index);
 817     if (GeneralSettings::showToolTips()) {
 818         m_toolTipManager->hideToolTip();
 819     }
 820     emit requestItemInfo(KFileItem());
 821 }
 822
 823 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 824 {
 825     const KFileItem destItem = fileItemModel()->fileItem(index);
 826
 827     QDropEvent dropEvent(event->pos().toPoint(),
 828                          event->possibleActions(),
 829                          event->mimeData(),
 830                          event->buttons(),
 831                          event->modifiers());
 832
 833     const QString error = DragAndDropHelper::dropUrls(destItem, url(), &dropEvent);
 834     if (!error.isEmpty()) {
 835         emit errorMessage(error);
 836     }
 837 }
 838
 839 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 840 {
 841     if (previous != 0) {
 842         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 843     }
 844
 845     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 846     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 847
 848     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 849     m_versionControlObserver->setModel(fileItemModel);
 850 }
 851
 852 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 853 {
 854     const int currentCount = current.count();
 855     const int previousCount = previous.count();
 856     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 857                                        (currentCount >  0 && previousCount == 0);
 858
 859     // If nothing has been selected before and something got selected (or if something
 860     // was selected before and now nothing is selected) the selectionChangedSignal must
 861     // be emitted asynchronously as fast as possible to update the edit-actions.
 862     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 863     m_selectionChangedTimer->start();
 864 }
 865
 866 void DolphinView::emitSelectionChangedSignal()
 867 {
 868     m_selectionChangedTimer->stop();
 869     emit selectionChanged(selectedItems());
 870 }
 871
 872 void DolphinView::dropUrls(const KFileItem& destItem,
 873                            const KUrl& destPath,
 874                            QDropEvent* event)
 875 {
 876     Q_UNUSED(destItem);
 877     Q_UNUSED(destPath);
 878     markPastedUrlsAsSelected(event->mimeData());
 879     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 880 }
 881
 882 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 883 {
 884     ViewProperties props(url());
 885     props.setSorting(sorting);
 886
 887     KItemModelBase* model = m_container->controller()->model();
 888     model->setSortRole(sortRoleForSorting(sorting));
 889
 890     emit sortingChanged(sorting);
 891 }
 892
 893 void DolphinView::updateSortOrder(Qt::SortOrder order)
 894 {
 895     ViewProperties props(url());
 896     props.setSortOrder(order);
 897
 898     KItemModelBase* model = fileItemModel();
 899     model->setSortOrder(order);
 900
 901     emit sortOrderChanged(order);
 902 }
 903
 904 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 905 {
 906     ViewProperties props(url());
 907     props.setSortFoldersFirst(foldersFirst);
 908
 909     KFileItemModel* model = fileItemModel();
 910     model->setSortFoldersFirst(foldersFirst);
 911
 912     emit sortFoldersFirstChanged(foldersFirst);
 913 }
 914
 915 QPair<bool, QString> DolphinView::pasteInfo() const
 916 {
 917     return KonqOperations::pasteInfo(url());
 918 }
 919
 920 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 921 {
 922     m_tabsForFiles = tabsForFiles;
 923 }
 924
 925 bool DolphinView::isTabsForFilesEnabled() const
 926 {
 927     return m_tabsForFiles;
 928 }
 929
 930 bool DolphinView::itemsExpandable() const
 931 {
 932     return m_mode == DetailsView;
 933 }
 934
 935 void DolphinView::restoreState(QDataStream& stream)
 936 {
 937     // Restore the current item that had the keyboard focus
 938     stream >> m_currentItemUrl;
 939
 940     // Restore the view position
 941     stream >> m_restoredContentsPosition;
 942
 943     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 944     QSet<KUrl> urls;
 945     stream >> urls;
 946     fileItemModel()->restoreExpandedUrls(urls);
 947 }
 948
 949 void DolphinView::saveState(QDataStream& stream)
 950 {
 951     // Save the current item that has the keyboard focus
 952     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 953     if (currentIndex != -1) {
 954         KFileItem item = fileItemModel()->fileItem(currentIndex);
 955         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 956         KUrl currentItemUrl = item.url();
 957         stream << currentItemUrl;
 958     } else {
 959         stream << KUrl();
 960     }
 961
 962     // Save view position
 963     const qreal x = m_container->horizontalScrollBar()->value();
 964     const qreal y = m_container->verticalScrollBar()->value();
 965     stream << QPoint(x, y);
 966
 967     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 968     stream << fileItemModel()->expandedUrls();
 969 }
 970
 971 bool DolphinView::hasSelection() const
 972 {
 973     return m_container->controller()->selectionManager()->hasSelection();
 974 }
 975
 976 KFileItem DolphinView::rootItem() const
 977 {
 978     return m_dirLister->rootItem();
 979 }
 980
 981 void DolphinView::observeCreatedItem(const KUrl& url)
 982 {
 983     m_createdItemUrl = url;
 984     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 985     //        this, SLOT(selectAndScrollToCreatedItem()));
 986 }
 987
 988 void DolphinView::selectAndScrollToCreatedItem()
 989 {
 990     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 991     if (dirIndex.isValid()) {
 992         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 993         QAbstractItemView* view = m_viewAccessor.itemView();
 994         if (view) {
 995             view->setCurrentIndex(proxyIndex);
 996         }
 997     }
 998
 999     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1000                this, SLOT(selectAndScrollToCreatedItem()));*/
1001     m_createdItemUrl = KUrl();
1002 }
1003
1004 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1005 {
1006     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1007         emit redirection(oldUrl, newUrl);
1008         m_url = newUrl; // #186947
1009     }
1010 }
1011
1012 void DolphinView::updateViewState()
1013 {
1014     if (m_currentItemUrl != KUrl()) {
1015         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1016         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1017         if (currentIndex != -1) {
1018             selectionManager->setCurrentItem(currentIndex);
1019         } else {
1020             selectionManager->setCurrentItem(0);
1021         }
1022         m_currentItemUrl = KUrl();
1023     }
1024
1025     if (!m_restoredContentsPosition.isNull()) {
1026         const int x = m_restoredContentsPosition.x();
1027         const int y = m_restoredContentsPosition.y();
1028         m_restoredContentsPosition = QPoint();
1029
1030         m_container->horizontalScrollBar()->setValue(x);
1031         m_container->verticalScrollBar()->setValue(y);
1032     }
1033
1034     if (!m_selectedUrls.isEmpty()) {
1035         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1036         QSet<int> selectedItems = selectionManager->selectedItems();
1037         const KFileItemModel* model = fileItemModel();
1038
1039         foreach (const KUrl& url, m_selectedUrls) {
1040             const int index = model->index(url);
1041             if (index >= 0) {
1042                 selectedItems.insert(index);
1043             }
1044         }
1045
1046         selectionManager->setSelectedItems(selectedItems);
1047         m_selectedUrls.clear();
1048     }
1049 }
1050
1051 void DolphinView::showHoverInformation(const KFileItem& item)
1052 {
1053     emit requestItemInfo(item);
1054 }
1055
1056 void DolphinView::clearHoverInformation()
1057 {
1058     emit requestItemInfo(KFileItem());
1059 }
1060
1061 void DolphinView::slotDeleteFileFinished(KJob* job)
1062 {
1063     if (job->error() == 0) {
1064         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1065     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1066         emit errorMessage(job->errorString());
1067     }
1068 }
1069
1070 void DolphinView::slotDirListerStarted(const KUrl& url)
1071 {
1072     // Disable the writestate temporary until it can be determined in a fast way
1073     // in DolphinView::slotLoadingCompleted()
1074     if (m_isFolderWritable) {
1075         m_isFolderWritable = false;
1076         emit writeStateChanged(m_isFolderWritable);
1077     }
1078
1079     emit startedPathLoading(url);
1080 }
1081
1082 void DolphinView::slotLoadingCompleted()
1083 {
1084     // Update the view-state. This has to be done using a Qt::QueuedConnection
1085     // because the view might not be in its final state yet (the view also
1086     // listens to the completed()-signal from KDirLister and the order of
1087     // of slots is undefined).
1088     QTimer::singleShot(0, this, SLOT(updateViewState()));
1089
1090     emit finishedPathLoading(url());
1091
1092     updateWritableState();
1093 }
1094
1095 void DolphinView::slotRefreshItems()
1096 {
1097     if (m_assureVisibleCurrentIndex) {
1098         m_assureVisibleCurrentIndex = false;
1099         //QAbstractItemView* view = m_viewAccessor.itemView();
1100         //if (view) {
1101         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1102         //}
1103     }
1104 }
1105
1106 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1107 {
1108     Q_UNUSED(previous);
1109     Q_ASSERT(fileItemModel()->sortOrder() == current);
1110
1111     ViewProperties props(url());
1112     props.setSortOrder(current);
1113
1114     emit sortOrderChanged(current);
1115 }
1116
1117 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1118 {
1119     Q_UNUSED(previous);
1120     Q_ASSERT(fileItemModel()->sortRole() == current);
1121
1122     ViewProperties props(url());
1123     const Sorting sorting = sortingForSortRole(current);
1124     props.setSorting(sorting);
1125
1126     emit sortingChanged(sorting);
1127 }
1128
1129 KFileItemModel* DolphinView::fileItemModel() const
1130 {
1131     return static_cast<KFileItemModel*>(m_container->controller()->model());
1132 }
1133
1134 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1135 {
1136     if (!url.isValid()) {
1137         const QString location(url.pathOrUrl());
1138         if (location.isEmpty()) {
1139             emit errorMessage(i18nc("@info:status", "The location is empty."));
1140         } else {
1141             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1142         }
1143         return;
1144     }
1145
1146     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1147 }
1148
1149 void DolphinView::applyViewProperties()
1150 {
1151     m_container->beginTransaction();
1152
1153     const ViewProperties props(url());
1154     KFileItemModel* model = fileItemModel();
1155
1156     const Mode mode = props.viewMode();
1157     if (m_mode != mode) {
1158         // Prevent an animated transition of the position and size of the items when switching
1159         // the view-mode by temporary clearing the model and updating it again after the view mode
1160         // has been modified.
1161         const bool restoreModel = (model->count() > 0);
1162         if (restoreModel) {
1163             const int currentItemIndex = m_container->controller()->selectionManager()->currentItem();
1164             if (currentItemIndex >= 0) {
1165                 m_currentItemUrl = model->fileItem(currentItemIndex).url();
1166             }
1167             m_selectedUrls = selectedItems().urlList();
1168             model->clear();
1169         }
1170
1171         const Mode previousMode = m_mode;
1172         m_mode = mode;
1173
1174         // Changing the mode might result in changing
1175         // the zoom level. Remember the old zoom level so
1176         // that zoomLevelChanged() can get emitted.
1177         const int oldZoomLevel = m_container->zoomLevel();
1178
1179         switch (m_mode) {
1180         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1181         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1182         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1183         default: Q_ASSERT(false); break;
1184         }
1185
1186         emit modeChanged(m_mode, previousMode);
1187
1188         if (m_container->zoomLevel() != oldZoomLevel) {
1189             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1190         }
1191
1192         if (restoreModel) {
1193             loadDirectory(url());
1194         }
1195     }
1196
1197     const bool hiddenFilesShown = props.hiddenFilesShown();
1198     if (hiddenFilesShown != model->showHiddenFiles()) {
1199         model->setShowHiddenFiles(hiddenFilesShown);
1200         emit hiddenFilesShownChanged(hiddenFilesShown);
1201     }
1202
1203     const bool groupedSorting = props.groupedSorting();
1204     if (groupedSorting != model->groupedSorting()) {
1205         model->setGroupedSorting(groupedSorting);
1206         emit groupedSortingChanged(groupedSorting);
1207     }
1208
1209     const DolphinView::Sorting sorting = props.sorting();
1210     const QByteArray newSortRole = sortRoleForSorting(sorting);
1211     if (newSortRole != model->sortRole()) {
1212         model->setSortRole(newSortRole);
1213         emit sortingChanged(sorting);
1214     }
1215
1216     const Qt::SortOrder sortOrder = props.sortOrder();
1217     if (sortOrder != model->sortOrder()) {
1218         model->setSortOrder(sortOrder);
1219         emit sortOrderChanged(sortOrder);
1220     }
1221
1222     const bool sortFoldersFirst = props.sortFoldersFirst();
1223     if (sortFoldersFirst != model->sortFoldersFirst()) {
1224         model->setSortFoldersFirst(sortFoldersFirst);
1225         emit sortFoldersFirstChanged(sortFoldersFirst);
1226     }
1227
1228     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1229     if (infoList != m_additionalInfoList) {
1230         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1231         m_additionalInfoList = infoList;
1232         applyAdditionalInfoListToView();
1233         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1234     }
1235
1236     const bool previewsShown = props.previewsShown();
1237     if (previewsShown != m_container->previewsShown()) {
1238         const int oldZoomLevel = zoomLevel();
1239
1240         m_container->setPreviewsShown(previewsShown);
1241         emit previewsShownChanged(previewsShown);
1242
1243         // Changing the preview-state might result in a changed zoom-level
1244         if (oldZoomLevel != zoomLevel()) {
1245             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1246         }
1247     }
1248
1249     m_container->endTransaction();
1250 }
1251
1252 void DolphinView::applyAdditionalInfoListToView()
1253 {
1254     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1255
1256     QList<QByteArray> visibleRoles;
1257     visibleRoles.reserve(m_additionalInfoList.count() + 1);
1258     visibleRoles.append("name");
1259
1260     foreach (AdditionalInfo info, m_additionalInfoList) {
1261         visibleRoles.append(infoAccessor.role(info));
1262     }
1263
1264     m_container->setVisibleRoles(visibleRoles);
1265 }
1266
1267 void DolphinView::pasteToUrl(const KUrl& url)
1268 {
1269     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1270     KonqOperations::doPaste(this, url);
1271 }
1272
1273 KUrl::List DolphinView::simplifiedSelectedUrls() const
1274 {
1275     KUrl::List urls;
1276
1277     const KFileItemList items = selectedItems();
1278     foreach (const KFileItem &item, items) {
1279         urls.append(item.url());
1280     }
1281
1282     if (itemsExpandable()) {
1283         // TODO: Check if we still need KDirModel for this in KDE 5.0
1284         urls = KDirModel::simplifiedUrlList(urls);
1285     }
1286
1287     return urls;
1288 }
1289
1290 QMimeData* DolphinView::selectionMimeData() const
1291 {
1292     const KFileItemModel* model = fileItemModel();
1293     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1294     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1295
1296     return model->createMimeData(selectedIndexes);
1297 }
1298
1299 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1300 {
1301     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1302     markUrlsAsSelected(urls);
1303 }
1304
1305 void DolphinView::updateWritableState()
1306 {
1307     const bool wasFolderWritable = m_isFolderWritable;
1308     m_isFolderWritable = true;
1309
1310     const KFileItem item = m_dirLister->rootItem();
1311     if (!item.isNull()) {
1312         KFileItemListProperties capabilities(KFileItemList() << item);
1313         m_isFolderWritable = capabilities.supportsWriting();
1314     }
1315     if (m_isFolderWritable != wasFolderWritable) {
1316         emit writeStateChanged(m_isFolderWritable);
1317     }
1318 }
1319
1320 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1321 {
1322     switch (sorting) {
1323     case SortByName:        return "name";
1324     case SortBySize:        return "size";
1325     case SortByDate:        return "date";
1326     case SortByPermissions: return "permissions";
1327     case SortByOwner:       return "owner";
1328     case SortByGroup:       return "group";
1329     case SortByType:        return "type";
1330     case SortByDestination: return "destination";
1331     case SortByPath:        return "path";
1332     default: break;
1333     }
1334
1335     return QByteArray();
1336 }
1337
1338 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1339 {
1340     static QHash<QByteArray, DolphinView::Sorting> sortHash;
1341     if (sortHash.isEmpty()) {
1342         sortHash.insert("name", SortByName);
1343         sortHash.insert("size", SortBySize);
1344         sortHash.insert("date", SortByDate);
1345         sortHash.insert("permissions", SortByPermissions);
1346         sortHash.insert("owner", SortByOwner);
1347         sortHash.insert("group", SortByGroup);
1348         sortHash.insert("type", SortByType);
1349         sortHash.insert("destination", SortByDestination);
1350         sortHash.insert("path", SortByPath);
1351     }
1352     return sortHash.value(sortRole);
1353 }
1354
1355 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1356 {
1357     const KLocale* locale = KGlobal::locale();
1358     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1359                                     ? 1000 : 1024;
1360
1361     QString text;
1362     if (fileSize < multiplier) {
1363         // Show the size in bytes
1364         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1365     } else if (fileSize < multiplier * multiplier) {
1366         // Show the size in kilobytes and always round up. This is done
1367         // for consistency with the values shown e.g. in the "Size" column
1368         // of the details-view.
1369         fileSize += (multiplier / 2) - 1;
1370         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1371     } else {
1372         // Show the size in the best fitting unit having one decimal
1373         text = locale->formatByteSize(fileSize, 1);
1374     }
1375     return text;
1376 }
1377
1378 #include "dolphinview.moc"