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     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     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     KFileItemList selectedItems;
 312     QSetIterator<int> it(selectedIndexes);
 313     while (it.hasNext()) {
 314         const int index = it.next();
 315         selectedItems.append(model->fileItem(index));
 316     }
 317     return selectedItems;
 318 }
 319
 320 int DolphinView::selectedItemsCount() const
 321 {
 322     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 323     return selectionManager->selectedItems().count();
 324 }
 325
 326 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 327 {
 328     m_selectedUrls = urls;
 329 }
 330
 331 void DolphinView::markUrlAsCurrent(const KUrl& url)
 332 {
 333     m_currentItemUrl = url;
 334 }
 335
 336 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 337 {
 338     const KItemListSelectionManager::SelectionMode mode = enabled
 339                                                         ? KItemListSelectionManager::Select
 340                                                         : KItemListSelectionManager::Deselect;
 341     const KFileItemModel* model = fileItemModel();
 342     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 343
 344     for (int index = 0; index < model->count(); index++) {
 345         const KFileItem item = model->fileItem(index);
 346         if (pattern.exactMatch(item.text())) {
 347             // An alternative approach would be to store the matching items in a QSet<int> and
 348             // select them in one go after the loop, but we'd need a new function
 349             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 350             // for that.
 351             selectionManager->setSelected(index, 1, mode);
 352         }
 353     }
 354 }
 355
 356 void DolphinView::setZoomLevel(int level)
 357 {
 358     const int oldZoomLevel = zoomLevel();
 359     m_container->setZoomLevel(level);
 360     if (zoomLevel() != oldZoomLevel) {
 361         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 362     }
 363 }
 364
 365 int DolphinView::zoomLevel() const
 366 {
 367     return m_container->zoomLevel();
 368 }
 369
 370 void DolphinView::setSorting(Sorting sorting)
 371 {
 372     if (sorting != this->sorting()) {
 373         updateSorting(sorting);
 374     }
 375 }
 376
 377 DolphinView::Sorting DolphinView::sorting() const
 378 {
 379     KItemModelBase* model = m_container->controller()->model();
 380     return sortingForSortRole(model->sortRole());
 381 }
 382
 383 void DolphinView::setSortOrder(Qt::SortOrder order)
 384 {
 385     if (sortOrder() != order) {
 386         updateSortOrder(order);
 387     }
 388 }
 389
 390 Qt::SortOrder DolphinView::sortOrder() const
 391 {
 392     KItemModelBase* model = fileItemModel();
 393     return model->sortOrder();
 394 }
 395
 396 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 397 {
 398     if (sortFoldersFirst() != foldersFirst) {
 399         updateSortFoldersFirst(foldersFirst);
 400     }
 401 }
 402
 403 bool DolphinView::sortFoldersFirst() const
 404 {
 405     KFileItemModel* model = fileItemModel();
 406     return model->sortFoldersFirst();
 407 }
 408
 409 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 410 {
 411     const QList<AdditionalInfo> previousList = info;
 412
 413     ViewProperties props(url());
 414     props.setAdditionalInfoList(info);
 415
 416     m_additionalInfoList = info;
 417     applyAdditionalInfoListToView();
 418
 419     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 420 }
 421
 422 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 423 {
 424     return m_additionalInfoList;
 425 }
 426
 427 void DolphinView::reload()
 428 {
 429     QByteArray viewState;
 430     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 431     saveState(saveStream);
 432
 433     const KFileItemList itemList = selectedItems();
 434     m_selectedUrls.clear();
 435     m_selectedUrls = itemList.urlList();
 436
 437     setUrl(url());
 438     loadDirectory(url(), true);
 439
 440     QDataStream restoreStream(viewState);
 441     restoreState(restoreStream);
 442 }
 443
 444 void DolphinView::stopLoading()
 445 {
 446     m_dirLister->stop();
 447 }
 448
 449 void DolphinView::readSettings()
 450 {
 451     const int oldZoomLevel = m_container->zoomLevel();
 452
 453     GeneralSettings::self()->readConfig();
 454     m_container->readSettings();
 455     applyViewProperties();
 456
 457     const int newZoomLevel = m_container->zoomLevel();
 458     if (newZoomLevel != oldZoomLevel) {
 459         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 460     }
 461 }
 462
 463 void DolphinView::writeSettings()
 464 {
 465     GeneralSettings::self()->writeConfig();
 466     m_container->writeSettings();
 467 }
 468
 469 void DolphinView::setNameFilter(const QString& nameFilter)
 470 {
 471     fileItemModel()->setNameFilter(nameFilter);
 472 }
 473
 474 QString DolphinView::nameFilter() const
 475 {
 476     return fileItemModel()->nameFilter();
 477 }
 478
 479 void DolphinView::calculateItemCount(int& fileCount,
 480                                      int& folderCount,
 481                                      KIO::filesize_t& totalFileSize) const
 482 {
 483     foreach (const KFileItem& item, m_dirLister->items()) {
 484         if (item.isDir()) {
 485             ++folderCount;
 486         } else {
 487             ++fileCount;
 488             totalFileSize += item.size();
 489         }
 490     }
 491 }
 492
 493 QString DolphinView::statusBarText() const
 494 {
 495     QString summary;
 496     QString foldersText;
 497     QString filesText;
 498
 499     int folderCount = 0;
 500     int fileCount = 0;
 501     KIO::filesize_t totalFileSize = 0;
 502
 503     if (hasSelection()) {
 504         // Give a summary of the status of the selected files
 505         const KFileItemList list = selectedItems();
 506         foreach (const KFileItem& item, list) {
 507             if (item.isDir()) {
 508                 ++folderCount;
 509             } else {
 510                 ++fileCount;
 511                 totalFileSize += item.size();
 512             }
 513         }
 514
 515         if (folderCount + fileCount == 1) {
 516             // If only one item is selected, show the filename
 517             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 518         } else {
 519             // At least 2 items are selected
 520             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 521             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 522         }
 523     } else {
 524         calculateItemCount(fileCount, folderCount, totalFileSize);
 525         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 526         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 527     }
 528
 529     if (fileCount > 0 && folderCount > 0) {
 530         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 531                         foldersText, filesText, fileSizeText(totalFileSize));
 532     } else if (fileCount > 0) {
 533         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 534     } else if (folderCount > 0) {
 535         summary = foldersText;
 536     }
 537
 538     return summary;
 539 }
 540
 541 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 542 {
 543     QList<QAction*> actions;
 544
 545     if (items.isEmpty()) {
 546         const KFileItem item = fileItemModel()->rootItem();
 547         actions = m_versionControlObserver->actions(KFileItemList() << item);
 548     } else {
 549         actions = m_versionControlObserver->actions(items);
 550     }
 551
 552     return actions;
 553 }
 554
 555 void DolphinView::setUrl(const KUrl& url)
 556 {
 557     if (url == m_url) {
 558         return;
 559     }
 560
 561     emit urlAboutToBeChanged(url);
 562     m_url = url;
 563
 564     hideToolTip();
 565
 566     // It is important to clear the items from the model before
 567     // applying the view properties, otherwise expensive operations
 568     // might be done on the existing items although they get cleared
 569     // anyhow afterwards by loadDirectory().
 570     fileItemModel()->clear();
 571     applyViewProperties();
 572     loadDirectory(url);
 573
 574     emit urlChanged(url);
 575 }
 576
 577 void DolphinView::selectAll()
 578 {
 579     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 580     selectionManager->setSelected(0, fileItemModel()->count());
 581 }
 582
 583 void DolphinView::invertSelection()
 584 {
 585     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 586     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 587 }
 588
 589 void DolphinView::clearSelection()
 590 {
 591     m_container->controller()->selectionManager()->clearSelection();
 592 }
 593
 594 void DolphinView::renameSelectedItems()
 595 {
 596     KFileItemList items = selectedItems();
 597     const int itemCount = items.count();
 598     if (itemCount < 1) {
 599         return;
 600     }
 601
 602     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 603     // renaming yet.
 604     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 605         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 606         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 607         m_viewAccessor.itemView()->edit(proxyIndex);
 608     } else {*/
 609         RenameDialog* dialog = new RenameDialog(this, items);
 610         dialog->setAttribute(Qt::WA_DeleteOnClose);
 611         dialog->show();
 612         dialog->raise();
 613         dialog->activateWindow();
 614     //}
 615
 616     // assure that the current index remains visible when KDirLister
 617     // will notify the view about changed items
 618     m_assureVisibleCurrentIndex = true;
 619 }
 620
 621 void DolphinView::trashSelectedItems()
 622 {
 623     const KUrl::List list = simplifiedSelectedUrls();
 624     KonqOperations::del(this, KonqOperations::TRASH, list);
 625 }
 626
 627 void DolphinView::deleteSelectedItems()
 628 {
 629     const KUrl::List list = simplifiedSelectedUrls();
 630     const bool del = KonqOperations::askDeleteConfirmation(list,
 631                      KonqOperations::DEL,
 632                      KonqOperations::DEFAULT_CONFIRMATION,
 633                      this);
 634
 635     if (del) {
 636         KIO::Job* job = KIO::del(list);
 637         connect(job, SIGNAL(result(KJob*)),
 638                 this, SLOT(slotDeleteFileFinished(KJob*)));
 639     }
 640 }
 641
 642 void DolphinView::cutSelectedItems()
 643 {
 644     QMimeData* mimeData = selectionMimeData();
 645     KonqMimeData::addIsCutSelection(mimeData, true);
 646     QApplication::clipboard()->setMimeData(mimeData);
 647 }
 648
 649 void DolphinView::copySelectedItems()
 650 {
 651     QMimeData* mimeData = selectionMimeData();
 652     QApplication::clipboard()->setMimeData(mimeData);
 653 }
 654
 655 void DolphinView::paste()
 656 {
 657     pasteToUrl(url());
 658 }
 659
 660 void DolphinView::pasteIntoFolder()
 661 {
 662     const KFileItemList items = selectedItems();
 663     if ((items.count() == 1) && items.first().isDir()) {
 664         pasteToUrl(items.first().url());
 665     }
 666 }
 667
 668 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 669 {
 670     switch (event->type()) {
 671     case QEvent::FocusIn:
 672         if (watched == m_container) {
 673             setActive(true);
 674         }
 675         break;
 676
 677     default:
 678         break;
 679     }
 680
 681     return QWidget::eventFilter(watched, event);
 682 }
 683
 684 void DolphinView::wheelEvent(QWheelEvent* event)
 685 {
 686     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 687         const int numDegrees = event->delta() / 8;
 688         const int numSteps = numDegrees / 15;
 689
 690         setZoomLevel(zoomLevel() + numSteps);
 691         event->accept();
 692     } else {
 693         event->ignore();
 694     }
 695 }
 696
 697 void DolphinView::hideEvent(QHideEvent* event)
 698 {
 699     hideToolTip();
 700     QWidget::hideEvent(event);
 701 }
 702
 703 void DolphinView::activate()
 704 {
 705     setActive(true);
 706 }
 707
 708 void DolphinView::slotItemActivated(int index)
 709 {
 710     const KFileItem item = fileItemModel()->fileItem(index);
 711     if (!item.isNull()) {
 712         emit itemActivated(item);
 713     }
 714 }
 715
 716 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 717 {
 718     Q_ASSERT(indexes.count() >= 2);
 719
 720     KFileItemList items;
 721
 722     KFileItemModel* model = fileItemModel();
 723     QSetIterator<int> it(indexes);
 724     while (it.hasNext()) {
 725         const int index = it.next();
 726         items.append(model->fileItem(index));
 727     }
 728
 729     foreach (const KFileItem& item, items) {
 730         if (item.isDir()) {
 731             emit tabRequested(item.url());
 732         } else {
 733             emit itemActivated(item);
 734         }
 735     }
 736 }
 737
 738 void DolphinView::slotItemMiddleClicked(int index)
 739 {
 740     const KFileItem item = fileItemModel()->fileItem(index);
 741     if (item.isDir() || isTabsForFilesEnabled()) {
 742         emit tabRequested(item.url());
 743     }
 744 }
 745
 746 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 747 {
 748     const KFileItem item = fileItemModel()->fileItem(index);
 749     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 750 }
 751
 752 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 753 {
 754     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 755 }
 756
 757 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 758 {
 759     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 760
 761     KItemListView* view = m_container->controller()->view();
 762     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 763
 764     // Add all roles to the menu that can be shown or hidden by the user
 765     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 766     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 767     foreach (const DolphinView::AdditionalInfo info, keys) {
 768         const QByteArray& role = infoAccessor.role(info);
 769         if (role != "name") {
 770             const QString text = fileItemModel()->roleDescription(role);
 771
 772             QAction* action = menu.data()->addAction(text);
 773             action->setCheckable(true);
 774             action->setChecked(visibleRolesSet.contains(role));
 775             action->setData(info);
 776         }
 777     }
 778
 779     QAction* action = menu.data()->exec(pos.toPoint());
 780     if (action) {
 781         // Show or hide the selected role
 782         const DolphinView::AdditionalInfo info =
 783             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 784
 785         ViewProperties props(url());
 786         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 787
 788         const QByteArray selectedRole = infoAccessor.role(info);
 789         QList<QByteArray> visibleRoles = view->visibleRoles();
 790
 791         if (action->isChecked()) {
 792             const int index = keys.indexOf(info) + 1;
 793             visibleRoles.insert(index, selectedRole);
 794             infoList.insert(index, info);
 795         } else {
 796             visibleRoles.removeOne(selectedRole);
 797             infoList.removeOne(info);
 798         }
 799
 800         view->setVisibleRoles(visibleRoles);
 801         props.setAdditionalInfoList(infoList);
 802     }
 803
 804     delete menu.data();
 805 }
 806
 807 void DolphinView::slotItemHovered(int index)
 808 {
 809     const KFileItem item = fileItemModel()->fileItem(index);
 810
 811     if (GeneralSettings::showToolTips() && QApplication::mouseButtons() == Qt::NoButton) {
 812         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 813         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 814         itemRect.moveTo(pos);
 815
 816         m_toolTipManager->showToolTip(item, itemRect);
 817     }
 818
 819     emit requestItemInfo(item);
 820 }
 821
 822 void DolphinView::slotItemUnhovered(int index)
 823 {
 824     Q_UNUSED(index);
 825     hideToolTip();
 826     emit requestItemInfo(KFileItem());
 827 }
 828
 829 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 830 {
 831     KUrl destUrl;
 832     KFileItem destItem = fileItemModel()->fileItem(index);
 833     if (destItem.isNull()) {
 834         destItem = fileItemModel()->rootItem();
 835         destUrl = url();
 836     } else {
 837         destUrl = destItem.url();
 838     }
 839
 840     QDropEvent dropEvent(event->pos().toPoint(),
 841                          event->possibleActions(),
 842                          event->mimeData(),
 843                          event->buttons(),
 844                          event->modifiers());
 845
 846     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
 847     if (!error.isEmpty()) {
 848         emit errorMessage(error);
 849     }
 850 }
 851
 852 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 853 {
 854     if (previous != 0) {
 855         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 856     }
 857
 858     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 859     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 860
 861     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 862     m_versionControlObserver->setModel(fileItemModel);
 863 }
 864
 865 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 866 {
 867     const int currentCount = current.count();
 868     const int previousCount = previous.count();
 869     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 870                                        (currentCount >  0 && previousCount == 0);
 871
 872     // If nothing has been selected before and something got selected (or if something
 873     // was selected before and now nothing is selected) the selectionChangedSignal must
 874     // be emitted asynchronously as fast as possible to update the edit-actions.
 875     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 876     m_selectionChangedTimer->start();
 877 }
 878
 879 void DolphinView::emitSelectionChangedSignal()
 880 {
 881     m_selectionChangedTimer->stop();
 882     emit selectionChanged(selectedItems());
 883 }
 884
 885 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 886 {
 887     ViewProperties props(url());
 888     props.setSorting(sorting);
 889
 890     KItemModelBase* model = m_container->controller()->model();
 891     model->setSortRole(sortRoleForSorting(sorting));
 892
 893     emit sortingChanged(sorting);
 894 }
 895
 896 void DolphinView::updateSortOrder(Qt::SortOrder order)
 897 {
 898     ViewProperties props(url());
 899     props.setSortOrder(order);
 900
 901     KItemModelBase* model = fileItemModel();
 902     model->setSortOrder(order);
 903
 904     emit sortOrderChanged(order);
 905 }
 906
 907 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 908 {
 909     ViewProperties props(url());
 910     props.setSortFoldersFirst(foldersFirst);
 911
 912     KFileItemModel* model = fileItemModel();
 913     model->setSortFoldersFirst(foldersFirst);
 914
 915     emit sortFoldersFirstChanged(foldersFirst);
 916 }
 917
 918 QPair<bool, QString> DolphinView::pasteInfo() const
 919 {
 920     return KonqOperations::pasteInfo(url());
 921 }
 922
 923 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 924 {
 925     m_tabsForFiles = tabsForFiles;
 926 }
 927
 928 bool DolphinView::isTabsForFilesEnabled() const
 929 {
 930     return m_tabsForFiles;
 931 }
 932
 933 bool DolphinView::itemsExpandable() const
 934 {
 935     return m_mode == DetailsView;
 936 }
 937
 938 void DolphinView::restoreState(QDataStream& stream)
 939 {
 940     // Restore the current item that had the keyboard focus
 941     stream >> m_currentItemUrl;
 942
 943     // Restore the view position
 944     stream >> m_restoredContentsPosition;
 945
 946     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 947     QSet<KUrl> urls;
 948     stream >> urls;
 949     fileItemModel()->restoreExpandedUrls(urls);
 950 }
 951
 952 void DolphinView::saveState(QDataStream& stream)
 953 {
 954     // Save the current item that has the keyboard focus
 955     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 956     if (currentIndex != -1) {
 957         KFileItem item = fileItemModel()->fileItem(currentIndex);
 958         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 959         KUrl currentItemUrl = item.url();
 960         stream << currentItemUrl;
 961     } else {
 962         stream << KUrl();
 963     }
 964
 965     // Save view position
 966     const qreal x = m_container->horizontalScrollBar()->value();
 967     const qreal y = m_container->verticalScrollBar()->value();
 968     stream << QPoint(x, y);
 969
 970     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 971     stream << fileItemModel()->expandedUrls();
 972 }
 973
 974 bool DolphinView::hasSelection() const
 975 {
 976     return m_container->controller()->selectionManager()->hasSelection();
 977 }
 978
 979 KFileItem DolphinView::rootItem() const
 980 {
 981     return m_dirLister->rootItem();
 982 }
 983
 984 void DolphinView::observeCreatedItem(const KUrl& url)
 985 {
 986     m_createdItemUrl = url;
 987     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 988     //        this, SLOT(selectAndScrollToCreatedItem()));
 989 }
 990
 991 void DolphinView::selectAndScrollToCreatedItem()
 992 {
 993     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 994     if (dirIndex.isValid()) {
 995         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 996         QAbstractItemView* view = m_viewAccessor.itemView();
 997         if (view) {
 998             view->setCurrentIndex(proxyIndex);
 999         }
1000     }
1001
1002     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1003                this, SLOT(selectAndScrollToCreatedItem()));*/
1004     m_createdItemUrl = KUrl();
1005 }
1006
1007 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1008 {
1009     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1010         emit redirection(oldUrl, newUrl);
1011         m_url = newUrl; // #186947
1012     }
1013 }
1014
1015 void DolphinView::updateViewState()
1016 {
1017     if (m_currentItemUrl != KUrl()) {
1018         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1019         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1020         if (currentIndex != -1) {
1021             selectionManager->setCurrentItem(currentIndex);
1022         } else {
1023             selectionManager->setCurrentItem(0);
1024         }
1025         m_currentItemUrl = KUrl();
1026     }
1027
1028     if (!m_restoredContentsPosition.isNull()) {
1029         const int x = m_restoredContentsPosition.x();
1030         const int y = m_restoredContentsPosition.y();
1031         m_restoredContentsPosition = QPoint();
1032
1033         m_container->horizontalScrollBar()->setValue(x);
1034         m_container->verticalScrollBar()->setValue(y);
1035     }
1036
1037     if (!m_selectedUrls.isEmpty()) {
1038         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1039         QSet<int> selectedItems = selectionManager->selectedItems();
1040         const KFileItemModel* model = fileItemModel();
1041
1042         foreach (const KUrl& url, m_selectedUrls) {
1043             const int index = model->index(url);
1044             if (index >= 0) {
1045                 selectedItems.insert(index);
1046             }
1047         }
1048
1049         selectionManager->setSelectedItems(selectedItems);
1050         m_selectedUrls.clear();
1051     }
1052 }
1053
1054 void DolphinView::hideToolTip()
1055 {
1056     if (GeneralSettings::showToolTips()) {
1057         m_toolTipManager->hideToolTip();
1058     }
1059 }
1060
1061 void DolphinView::showHoverInformation(const KFileItem& item)
1062 {
1063     emit requestItemInfo(item);
1064 }
1065
1066 void DolphinView::clearHoverInformation()
1067 {
1068     emit requestItemInfo(KFileItem());
1069 }
1070
1071 void DolphinView::slotDeleteFileFinished(KJob* job)
1072 {
1073     if (job->error() == 0) {
1074         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1075     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1076         emit errorMessage(job->errorString());
1077     }
1078 }
1079
1080 void DolphinView::slotDirListerStarted(const KUrl& url)
1081 {
1082     // Disable the writestate temporary until it can be determined in a fast way
1083     // in DolphinView::slotLoadingCompleted()
1084     if (m_isFolderWritable) {
1085         m_isFolderWritable = false;
1086         emit writeStateChanged(m_isFolderWritable);
1087     }
1088
1089     emit startedPathLoading(url);
1090 }
1091
1092 void DolphinView::slotLoadingCompleted()
1093 {
1094     // Update the view-state. This has to be done using a Qt::QueuedConnection
1095     // because the view might not be in its final state yet (the view also
1096     // listens to the completed()-signal from KDirLister and the order of
1097     // of slots is undefined).
1098     QTimer::singleShot(0, this, SLOT(updateViewState()));
1099
1100     emit finishedPathLoading(url());
1101
1102     updateWritableState();
1103 }
1104
1105 void DolphinView::slotRefreshItems()
1106 {
1107     if (m_assureVisibleCurrentIndex) {
1108         m_assureVisibleCurrentIndex = false;
1109         //QAbstractItemView* view = m_viewAccessor.itemView();
1110         //if (view) {
1111         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1112         //}
1113     }
1114 }
1115
1116 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1117 {
1118     Q_UNUSED(previous);
1119     Q_ASSERT(fileItemModel()->sortOrder() == current);
1120
1121     ViewProperties props(url());
1122     props.setSortOrder(current);
1123
1124     emit sortOrderChanged(current);
1125 }
1126
1127 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1128 {
1129     Q_UNUSED(previous);
1130     Q_ASSERT(fileItemModel()->sortRole() == current);
1131
1132     ViewProperties props(url());
1133     const Sorting sorting = sortingForSortRole(current);
1134     props.setSorting(sorting);
1135
1136     emit sortingChanged(sorting);
1137 }
1138
1139 KFileItemModel* DolphinView::fileItemModel() const
1140 {
1141     return static_cast<KFileItemModel*>(m_container->controller()->model());
1142 }
1143
1144 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1145 {
1146     if (!url.isValid()) {
1147         const QString location(url.pathOrUrl());
1148         if (location.isEmpty()) {
1149             emit errorMessage(i18nc("@info:status", "The location is empty."));
1150         } else {
1151             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1152         }
1153         return;
1154     }
1155
1156     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1157 }
1158
1159 void DolphinView::applyViewProperties()
1160 {
1161     m_container->beginTransaction();
1162
1163     const ViewProperties props(url());
1164     KFileItemModel* model = fileItemModel();
1165
1166     const Mode mode = props.viewMode();
1167     if (m_mode != mode) {
1168         // Prevent an animated transition of the position and size of the items when switching
1169         // the view-mode by temporary clearing the model and updating it again after the view mode
1170         // has been modified.
1171         const bool restoreModel = (model->count() > 0);
1172         if (restoreModel) {
1173             const int currentItemIndex = m_container->controller()->selectionManager()->currentItem();
1174             if (currentItemIndex >= 0) {
1175                 m_currentItemUrl = model->fileItem(currentItemIndex).url();
1176             }
1177             m_selectedUrls = selectedItems().urlList();
1178             model->clear();
1179         }
1180
1181         const Mode previousMode = m_mode;
1182         m_mode = mode;
1183
1184         // Changing the mode might result in changing
1185         // the zoom level. Remember the old zoom level so
1186         // that zoomLevelChanged() can get emitted.
1187         const int oldZoomLevel = m_container->zoomLevel();
1188
1189         switch (m_mode) {
1190         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1191         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1192         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1193         default: Q_ASSERT(false); break;
1194         }
1195
1196         emit modeChanged(m_mode, previousMode);
1197
1198         if (m_container->zoomLevel() != oldZoomLevel) {
1199             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1200         }
1201
1202         if (restoreModel) {
1203             loadDirectory(url());
1204         }
1205     }
1206
1207     const bool hiddenFilesShown = props.hiddenFilesShown();
1208     if (hiddenFilesShown != model->showHiddenFiles()) {
1209         model->setShowHiddenFiles(hiddenFilesShown);
1210         emit hiddenFilesShownChanged(hiddenFilesShown);
1211     }
1212
1213     const bool groupedSorting = props.groupedSorting();
1214     if (groupedSorting != model->groupedSorting()) {
1215         model->setGroupedSorting(groupedSorting);
1216         emit groupedSortingChanged(groupedSorting);
1217     }
1218
1219     const DolphinView::Sorting sorting = props.sorting();
1220     const QByteArray newSortRole = sortRoleForSorting(sorting);
1221     if (newSortRole != model->sortRole()) {
1222         model->setSortRole(newSortRole);
1223         emit sortingChanged(sorting);
1224     }
1225
1226     const Qt::SortOrder sortOrder = props.sortOrder();
1227     if (sortOrder != model->sortOrder()) {
1228         model->setSortOrder(sortOrder);
1229         emit sortOrderChanged(sortOrder);
1230     }
1231
1232     const bool sortFoldersFirst = props.sortFoldersFirst();
1233     if (sortFoldersFirst != model->sortFoldersFirst()) {
1234         model->setSortFoldersFirst(sortFoldersFirst);
1235         emit sortFoldersFirstChanged(sortFoldersFirst);
1236     }
1237
1238     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1239     if (infoList != m_additionalInfoList) {
1240         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1241         m_additionalInfoList = infoList;
1242         applyAdditionalInfoListToView();
1243         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1244     }
1245
1246     const bool previewsShown = props.previewsShown();
1247     if (previewsShown != m_container->previewsShown()) {
1248         const int oldZoomLevel = zoomLevel();
1249
1250         m_container->setPreviewsShown(previewsShown);
1251         emit previewsShownChanged(previewsShown);
1252
1253         // Changing the preview-state might result in a changed zoom-level
1254         if (oldZoomLevel != zoomLevel()) {
1255             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1256         }
1257     }
1258
1259     m_container->endTransaction();
1260 }
1261
1262 void DolphinView::applyAdditionalInfoListToView()
1263 {
1264     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1265
1266     QList<QByteArray> visibleRoles;
1267     visibleRoles.reserve(m_additionalInfoList.count() + 1);
1268     visibleRoles.append("name");
1269
1270     foreach (AdditionalInfo info, m_additionalInfoList) {
1271         visibleRoles.append(infoAccessor.role(info));
1272     }
1273
1274     m_container->setVisibleRoles(visibleRoles);
1275 }
1276
1277 void DolphinView::pasteToUrl(const KUrl& url)
1278 {
1279     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1280     KonqOperations::doPaste(this, url);
1281 }
1282
1283 KUrl::List DolphinView::simplifiedSelectedUrls() const
1284 {
1285     KUrl::List urls;
1286
1287     const KFileItemList items = selectedItems();
1288     foreach (const KFileItem &item, items) {
1289         urls.append(item.url());
1290     }
1291
1292     if (itemsExpandable()) {
1293         // TODO: Check if we still need KDirModel for this in KDE 5.0
1294         urls = KDirModel::simplifiedUrlList(urls);
1295     }
1296
1297     return urls;
1298 }
1299
1300 QMimeData* DolphinView::selectionMimeData() const
1301 {
1302     const KFileItemModel* model = fileItemModel();
1303     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1304     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1305
1306     return model->createMimeData(selectedIndexes);
1307 }
1308
1309 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1310 {
1311     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1312     markUrlsAsSelected(urls);
1313 }
1314
1315 void DolphinView::updateWritableState()
1316 {
1317     const bool wasFolderWritable = m_isFolderWritable;
1318     m_isFolderWritable = true;
1319
1320     const KFileItem item = m_dirLister->rootItem();
1321     if (!item.isNull()) {
1322         KFileItemListProperties capabilities(KFileItemList() << item);
1323         m_isFolderWritable = capabilities.supportsWriting();
1324     }
1325     if (m_isFolderWritable != wasFolderWritable) {
1326         emit writeStateChanged(m_isFolderWritable);
1327     }
1328 }
1329
1330 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1331 {
1332     switch (sorting) {
1333     case SortByName:        return "name";
1334     case SortBySize:        return "size";
1335     case SortByDate:        return "date";
1336     case SortByPermissions: return "permissions";
1337     case SortByOwner:       return "owner";
1338     case SortByGroup:       return "group";
1339     case SortByType:        return "type";
1340     case SortByDestination: return "destination";
1341     case SortByPath:        return "path";
1342     default: break;
1343     }
1344
1345     return QByteArray();
1346 }
1347
1348 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1349 {
1350     static QHash<QByteArray, DolphinView::Sorting> sortHash;
1351     if (sortHash.isEmpty()) {
1352         sortHash.insert("name", SortByName);
1353         sortHash.insert("size", SortBySize);
1354         sortHash.insert("date", SortByDate);
1355         sortHash.insert("permissions", SortByPermissions);
1356         sortHash.insert("owner", SortByOwner);
1357         sortHash.insert("group", SortByGroup);
1358         sortHash.insert("type", SortByType);
1359         sortHash.insert("destination", SortByDestination);
1360         sortHash.insert("path", SortByPath);
1361     }
1362     return sortHash.value(sortRole);
1363 }
1364
1365 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1366 {
1367     const KLocale* locale = KGlobal::locale();
1368     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1369                                     ? 1000 : 1024;
1370
1371     QString text;
1372     if (fileSize < multiplier) {
1373         // Show the size in bytes
1374         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1375     } else if (fileSize < multiplier * multiplier) {
1376         // Show the size in kilobytes and always round up. This is done
1377         // for consistency with the values shown e.g. in the "Size" column
1378         // of the details-view.
1379         fileSize += (multiplier / 2) - 1;
1380         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1381     } else {
1382         // Show the size in the best fitting unit having one decimal
1383         text = locale->formatByteSize(fileSize, 1);
1384     }
1385     return text;
1386 }
1387
1388 #include "dolphinview.moc"