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     if (GeneralSettings::autoExpandFolders()) {
 141         controller->setAutoActivationDelay(750);
 142     }
 143     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 144     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 145     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 146     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 147     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 148     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 149     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 150     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 151     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 152     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 153
 154     KFileItemModel* model = fileItemModel();
 155     if (model) {
 156         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 157     }
 158
 159     KItemListView* view = controller->view();
 160     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 161             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 162     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 163             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 164
 165     KItemListSelectionManager* selectionManager = controller->selectionManager();
 166     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 167             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 168
 169     m_toolTipManager = new ToolTipManager(this);
 170
 171     m_versionControlObserver = new VersionControlObserver(this);
 172     m_versionControlObserver->setModel(model);
 173     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 174     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 175     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 176
 177     applyViewProperties();
 178     m_topLayout->addWidget(m_container);
 179
 180     loadDirectory(url);
 181 }
 182
 183 DolphinView::~DolphinView()
 184 {
 185 }
 186
 187 KUrl DolphinView::url() const
 188 {
 189     return m_url;
 190 }
 191
 192 void DolphinView::setActive(bool active)
 193 {
 194     if (active == m_active) {
 195         return;
 196     }
 197
 198     m_active = active;
 199
 200     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 201     if (!active) {
 202         color.setAlpha(150);
 203     }
 204
 205     QWidget* viewport = m_container->viewport();
 206     if (viewport) {
 207         QPalette palette;
 208         palette.setColor(viewport->backgroundRole(), color);
 209         viewport->setPalette(palette);
 210     }
 211
 212     update();
 213
 214     if (active) {
 215         m_container->setFocus();
 216         emit activated();
 217         emit writeStateChanged(m_isFolderWritable);
 218     }
 219 }
 220
 221 bool DolphinView::isActive() const
 222 {
 223     return m_active;
 224 }
 225
 226 void DolphinView::setMode(Mode mode)
 227 {
 228     if (mode != m_mode) {
 229         ViewProperties props(url());
 230         props.setViewMode(mode);
 231         props.save();
 232
 233         applyViewProperties();
 234     }
 235 }
 236
 237 DolphinView::Mode DolphinView::mode() const
 238 {
 239     return m_mode;
 240 }
 241
 242 void DolphinView::setPreviewsShown(bool show)
 243 {
 244     if (previewsShown() == show) {
 245         return;
 246     }
 247
 248     ViewProperties props(url());
 249     props.setPreviewsShown(show);
 250
 251     m_container->setPreviewsShown(show);
 252     emit previewsShownChanged(show);
 253 }
 254
 255 bool DolphinView::previewsShown() const
 256 {
 257     return m_container->previewsShown();
 258 }
 259
 260 void DolphinView::setHiddenFilesShown(bool show)
 261 {
 262     if (m_dirLister->showingDotFiles() == show) {
 263         return;
 264     }
 265
 266     const KFileItemList itemList = selectedItems();
 267     m_selectedUrls.clear();
 268     m_selectedUrls = itemList.urlList();
 269
 270     ViewProperties props(url());
 271     props.setHiddenFilesShown(show);
 272
 273     fileItemModel()->setShowHiddenFiles(show);
 274     emit hiddenFilesShownChanged(show);
 275 }
 276
 277 bool DolphinView::hiddenFilesShown() const
 278 {
 279     return m_dirLister->showingDotFiles();
 280 }
 281
 282 void DolphinView::setGroupedSorting(bool grouped)
 283 {
 284     if (grouped == groupedSorting()) {
 285         return;
 286     }
 287
 288     ViewProperties props(url());
 289     props.setGroupedSorting(grouped);
 290     props.save();
 291
 292     m_container->controller()->model()->setGroupedSorting(grouped);
 293
 294     emit groupedSortingChanged(grouped);
 295 }
 296
 297 bool DolphinView::groupedSorting() const
 298 {
 299     return fileItemModel()->groupedSorting();
 300 }
 301
 302 KFileItemList DolphinView::items() const
 303 {
 304     return m_dirLister->items();
 305 }
 306
 307 KFileItemList DolphinView::selectedItems() const
 308 {
 309     const KFileItemModel* model = fileItemModel();
 310     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 311     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 312
 313     QList<int> sortedIndexes = selectedIndexes.toList();
 314     qSort(sortedIndexes);
 315
 316     KFileItemList selectedItems;
 317     QListIterator<int> it(sortedIndexes);
 318     while (it.hasNext()) {
 319         const int index = it.next();
 320         selectedItems.append(model->fileItem(index));
 321     }
 322     return selectedItems;
 323 }
 324
 325 int DolphinView::selectedItemsCount() const
 326 {
 327     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 328     return selectionManager->selectedItems().count();
 329 }
 330
 331 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 332 {
 333     m_selectedUrls = urls;
 334 }
 335
 336 void DolphinView::markUrlAsCurrent(const KUrl& url)
 337 {
 338     m_currentItemUrl = url;
 339 }
 340
 341 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 342 {
 343     const KItemListSelectionManager::SelectionMode mode = enabled
 344                                                         ? KItemListSelectionManager::Select
 345                                                         : KItemListSelectionManager::Deselect;
 346     const KFileItemModel* model = fileItemModel();
 347     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 348
 349     for (int index = 0; index < model->count(); index++) {
 350         const KFileItem item = model->fileItem(index);
 351         if (pattern.exactMatch(item.text())) {
 352             // An alternative approach would be to store the matching items in a QSet<int> and
 353             // select them in one go after the loop, but we'd need a new function
 354             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 355             // for that.
 356             selectionManager->setSelected(index, 1, mode);
 357         }
 358     }
 359 }
 360
 361 void DolphinView::setZoomLevel(int level)
 362 {
 363     const int oldZoomLevel = zoomLevel();
 364     m_container->setZoomLevel(level);
 365     if (zoomLevel() != oldZoomLevel) {
 366         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 367     }
 368 }
 369
 370 int DolphinView::zoomLevel() const
 371 {
 372     return m_container->zoomLevel();
 373 }
 374
 375 void DolphinView::setSorting(Sorting sorting)
 376 {
 377     if (sorting != this->sorting()) {
 378         updateSorting(sorting);
 379     }
 380 }
 381
 382 DolphinView::Sorting DolphinView::sorting() const
 383 {
 384     KItemModelBase* model = m_container->controller()->model();
 385     return sortingForSortRole(model->sortRole());
 386 }
 387
 388 void DolphinView::setSortOrder(Qt::SortOrder order)
 389 {
 390     if (sortOrder() != order) {
 391         updateSortOrder(order);
 392     }
 393 }
 394
 395 Qt::SortOrder DolphinView::sortOrder() const
 396 {
 397     KItemModelBase* model = fileItemModel();
 398     return model->sortOrder();
 399 }
 400
 401 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 402 {
 403     if (sortFoldersFirst() != foldersFirst) {
 404         updateSortFoldersFirst(foldersFirst);
 405     }
 406 }
 407
 408 bool DolphinView::sortFoldersFirst() const
 409 {
 410     KFileItemModel* model = fileItemModel();
 411     return model->sortFoldersFirst();
 412 }
 413
 414 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 415 {
 416     const QList<AdditionalInfo> previousList = info;
 417
 418     ViewProperties props(url());
 419     props.setAdditionalInfoList(info);
 420
 421     m_additionalInfoList = info;
 422     applyAdditionalInfoListToView();
 423
 424     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 425 }
 426
 427 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 428 {
 429     return m_additionalInfoList;
 430 }
 431
 432 void DolphinView::reload()
 433 {
 434     QByteArray viewState;
 435     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 436     saveState(saveStream);
 437
 438     const KFileItemList itemList = selectedItems();
 439     m_selectedUrls.clear();
 440     m_selectedUrls = itemList.urlList();
 441
 442     setUrl(url());
 443     loadDirectory(url(), true);
 444
 445     QDataStream restoreStream(viewState);
 446     restoreState(restoreStream);
 447 }
 448
 449 void DolphinView::stopLoading()
 450 {
 451     m_dirLister->stop();
 452 }
 453
 454 void DolphinView::refresh()
 455 {
 456     GeneralSettings::self()->readConfig();
 457     m_container->refresh();
 458     applyViewProperties();
 459 }
 460
 461 void DolphinView::setNameFilter(const QString& nameFilter)
 462 {
 463     fileItemModel()->setNameFilter(nameFilter);
 464 }
 465
 466 QString DolphinView::nameFilter() const
 467 {
 468     return fileItemModel()->nameFilter();
 469 }
 470
 471 void DolphinView::calculateItemCount(int& fileCount,
 472                                      int& folderCount,
 473                                      KIO::filesize_t& totalFileSize) const
 474 {
 475     foreach (const KFileItem& item, m_dirLister->items()) {
 476         if (item.isDir()) {
 477             ++folderCount;
 478         } else {
 479             ++fileCount;
 480             totalFileSize += item.size();
 481         }
 482     }
 483 }
 484
 485 QString DolphinView::statusBarText() const
 486 {
 487     QString summary;
 488     QString foldersText;
 489     QString filesText;
 490
 491     int folderCount = 0;
 492     int fileCount = 0;
 493     KIO::filesize_t totalFileSize = 0;
 494
 495     if (hasSelection()) {
 496         // Give a summary of the status of the selected files
 497         const KFileItemList list = selectedItems();
 498         foreach (const KFileItem& item, list) {
 499             if (item.isDir()) {
 500                 ++folderCount;
 501             } else {
 502                 ++fileCount;
 503                 totalFileSize += item.size();
 504             }
 505         }
 506
 507         if (folderCount + fileCount == 1) {
 508             // If only one item is selected, show the filename
 509             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 510         } else {
 511             // At least 2 items are selected
 512             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 513             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 514         }
 515     } else {
 516         calculateItemCount(fileCount, folderCount, totalFileSize);
 517         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 518         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 519     }
 520
 521     if (fileCount > 0 && folderCount > 0) {
 522         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 523                         foldersText, filesText, fileSizeText(totalFileSize));
 524     } else if (fileCount > 0) {
 525         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 526     } else if (folderCount > 0) {
 527         summary = foldersText;
 528     }
 529
 530     return summary;
 531 }
 532
 533 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 534 {
 535     QList<QAction*> actions;
 536
 537     if (items.isEmpty()) {
 538         const KFileItem item = fileItemModel()->rootItem();
 539         actions = m_versionControlObserver->actions(KFileItemList() << item);
 540     } else {
 541         actions = m_versionControlObserver->actions(items);
 542     }
 543
 544     return actions;
 545 }
 546
 547 void DolphinView::setUrl(const KUrl& url)
 548 {
 549     if (url == m_url) {
 550         return;
 551     }
 552
 553     emit urlAboutToBeChanged(url);
 554     m_url = url;
 555
 556     if (GeneralSettings::showToolTips()) {
 557         m_toolTipManager->hideToolTip();
 558     }
 559
 560     // It is important to clear the items from the model before
 561     // applying the view properties, otherwise expensive operations
 562     // might be done on the existing items although they get cleared
 563     // anyhow afterwards by loadDirectory().
 564     fileItemModel()->clear();
 565     applyViewProperties();
 566     loadDirectory(url);
 567
 568     emit urlChanged(url);
 569 }
 570
 571 void DolphinView::selectAll()
 572 {
 573     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 574     selectionManager->setSelected(0, fileItemModel()->count());
 575 }
 576
 577 void DolphinView::invertSelection()
 578 {
 579     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 580     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 581 }
 582
 583 void DolphinView::clearSelection()
 584 {
 585     m_container->controller()->selectionManager()->clearSelection();
 586 }
 587
 588 void DolphinView::renameSelectedItems()
 589 {
 590     KFileItemList items = selectedItems();
 591     const int itemCount = items.count();
 592     if (itemCount < 1) {
 593         return;
 594     }
 595
 596     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 597     // renaming yet.
 598     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 599         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 600         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 601         m_viewAccessor.itemView()->edit(proxyIndex);
 602     } else {*/
 603         RenameDialog* dialog = new RenameDialog(this, items);
 604         dialog->setAttribute(Qt::WA_DeleteOnClose);
 605         dialog->show();
 606         dialog->raise();
 607         dialog->activateWindow();
 608     //}
 609
 610     // assure that the current index remains visible when KDirLister
 611     // will notify the view about changed items
 612     m_assureVisibleCurrentIndex = true;
 613 }
 614
 615 void DolphinView::trashSelectedItems()
 616 {
 617     const KUrl::List list = simplifiedSelectedUrls();
 618     KonqOperations::del(this, KonqOperations::TRASH, list);
 619 }
 620
 621 void DolphinView::deleteSelectedItems()
 622 {
 623     const KUrl::List list = simplifiedSelectedUrls();
 624     const bool del = KonqOperations::askDeleteConfirmation(list,
 625                      KonqOperations::DEL,
 626                      KonqOperations::DEFAULT_CONFIRMATION,
 627                      this);
 628
 629     if (del) {
 630         KIO::Job* job = KIO::del(list);
 631         connect(job, SIGNAL(result(KJob*)),
 632                 this, SLOT(slotDeleteFileFinished(KJob*)));
 633     }
 634 }
 635
 636 void DolphinView::cutSelectedItems()
 637 {
 638     QMimeData* mimeData = selectionMimeData();
 639     KonqMimeData::addIsCutSelection(mimeData, true);
 640     QApplication::clipboard()->setMimeData(mimeData);
 641 }
 642
 643 void DolphinView::copySelectedItems()
 644 {
 645     QMimeData* mimeData = selectionMimeData();
 646     QApplication::clipboard()->setMimeData(mimeData);
 647 }
 648
 649 void DolphinView::paste()
 650 {
 651     pasteToUrl(url());
 652 }
 653
 654 void DolphinView::pasteIntoFolder()
 655 {
 656     const KFileItemList items = selectedItems();
 657     if ((items.count() == 1) && items.first().isDir()) {
 658         pasteToUrl(items.first().url());
 659     }
 660 }
 661
 662 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 663 {
 664     switch (event->type()) {
 665     case QEvent::FocusIn:
 666         if (watched == m_container) {
 667             setActive(true);
 668         }
 669         break;
 670
 671     default:
 672         break;
 673     }
 674
 675     return QWidget::eventFilter(watched, event);
 676 }
 677
 678 void DolphinView::wheelEvent(QWheelEvent* event)
 679 {
 680     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 681         const int numDegrees = event->delta() / 8;
 682         const int numSteps = numDegrees / 15;
 683
 684         setZoomLevel(zoomLevel() + numSteps);
 685         event->accept();
 686     } else {
 687         event->ignore();
 688     }
 689 }
 690
 691 void DolphinView::activate()
 692 {
 693     setActive(true);
 694 }
 695
 696 void DolphinView::slotItemActivated(int index)
 697 {
 698     const KFileItem item = fileItemModel()->fileItem(index);
 699     if (!item.isNull()) {
 700         emit itemActivated(item);
 701     }
 702 }
 703
 704 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 705 {
 706     Q_ASSERT(indexes.count() >= 2);
 707
 708     KFileItemList items;
 709
 710     KFileItemModel* model = fileItemModel();
 711     QSetIterator<int> it(indexes);
 712     while (it.hasNext()) {
 713         const int index = it.next();
 714         items.append(model->fileItem(index));
 715     }
 716
 717     foreach (const KFileItem& item, items) {
 718         if (item.isDir()) {
 719             emit tabRequested(item.url());
 720         } else {
 721             emit itemActivated(item);
 722         }
 723     }
 724 }
 725
 726 void DolphinView::slotItemMiddleClicked(int index)
 727 {
 728     const KFileItem item = fileItemModel()->fileItem(index);
 729     if (item.isDir() || isTabsForFilesEnabled()) {
 730         emit tabRequested(item.url());
 731     }
 732 }
 733
 734 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 735 {
 736     if (GeneralSettings::showToolTips()) {
 737         m_toolTipManager->hideToolTip();
 738     }
 739     const KFileItem item = fileItemModel()->fileItem(index);
 740     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 741 }
 742
 743 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 744 {
 745     if (GeneralSettings::showToolTips()) {
 746         m_toolTipManager->hideToolTip();
 747     }
 748     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 749 }
 750
 751 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 752 {
 753     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 754
 755     KItemListView* view = m_container->controller()->view();
 756     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 757
 758     // Add all roles to the menu that can be shown or hidden by the user
 759     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 760     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 761     foreach (const DolphinView::AdditionalInfo info, keys) {
 762         const QByteArray& role = infoAccessor.role(info);
 763         if (role != "name") {
 764             const QString text = fileItemModel()->roleDescription(role);
 765
 766             QAction* action = menu.data()->addAction(text);
 767             action->setCheckable(true);
 768             action->setChecked(visibleRolesSet.contains(role));
 769             action->setData(info);
 770         }
 771     }
 772
 773     QAction* action = menu.data()->exec(pos.toPoint());
 774     if (action) {
 775         // Show or hide the selected role
 776         const DolphinView::AdditionalInfo info =
 777             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 778
 779         ViewProperties props(url());
 780         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 781
 782         const QByteArray selectedRole = infoAccessor.role(info);
 783         QList<QByteArray> visibleRoles = view->visibleRoles();
 784
 785         if (action->isChecked()) {
 786             const int index = keys.indexOf(info) + 1;
 787             visibleRoles.insert(index, selectedRole);
 788             infoList.insert(index, info);
 789         } else {
 790             visibleRoles.removeOne(selectedRole);
 791             infoList.removeOne(info);
 792         }
 793
 794         view->setVisibleRoles(visibleRoles);
 795         props.setAdditionalInfoList(infoList);
 796     }
 797
 798     delete menu.data();
 799 }
 800
 801 void DolphinView::slotItemHovered(int index)
 802 {
 803     const KFileItem item = fileItemModel()->fileItem(index);
 804
 805     if (GeneralSettings::showToolTips()) {
 806         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 807         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 808         itemRect.moveTo(pos);
 809
 810         m_toolTipManager->showToolTip(item, itemRect);
 811     }
 812
 813     emit requestItemInfo(item);
 814 }
 815
 816 void DolphinView::slotItemUnhovered(int index)
 817 {
 818     Q_UNUSED(index);
 819     if (GeneralSettings::showToolTips()) {
 820         m_toolTipManager->hideToolTip();
 821     }
 822     emit requestItemInfo(KFileItem());
 823 }
 824
 825 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 826 {
 827     const KFileItem destItem = fileItemModel()->fileItem(index);
 828
 829     QDropEvent dropEvent(event->pos().toPoint(),
 830                          event->possibleActions(),
 831                          event->mimeData(),
 832                          event->buttons(),
 833                          event->modifiers());
 834
 835     const QString error = DragAndDropHelper::dropUrls(destItem, url(), &dropEvent);
 836     if (!error.isEmpty()) {
 837         emit errorMessage(error);
 838     }
 839 }
 840
 841 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 842 {
 843     if (previous != 0) {
 844         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 845     }
 846
 847     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 848     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 849
 850     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 851     m_versionControlObserver->setModel(fileItemModel);
 852 }
 853
 854 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 855 {
 856     const int currentCount = current.count();
 857     const int previousCount = previous.count();
 858     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 859                                        (currentCount >  0 && previousCount == 0);
 860
 861     // If nothing has been selected before and something got selected (or if something
 862     // was selected before and now nothing is selected) the selectionChangedSignal must
 863     // be emitted asynchronously as fast as possible to update the edit-actions.
 864     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 865     m_selectionChangedTimer->start();
 866 }
 867
 868 void DolphinView::emitSelectionChangedSignal()
 869 {
 870     m_selectionChangedTimer->stop();
 871     emit selectionChanged(selectedItems());
 872 }
 873
 874 void DolphinView::dropUrls(const KFileItem& destItem,
 875                            const KUrl& destPath,
 876                            QDropEvent* event)
 877 {
 878     Q_UNUSED(destItem);
 879     Q_UNUSED(destPath);
 880     markPastedUrlsAsSelected(event->mimeData());
 881     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 882 }
 883
 884 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 885 {
 886     ViewProperties props(url());
 887     props.setSorting(sorting);
 888
 889     KItemModelBase* model = m_container->controller()->model();
 890     model->setSortRole(sortRoleForSorting(sorting));
 891
 892     emit sortingChanged(sorting);
 893 }
 894
 895 void DolphinView::updateSortOrder(Qt::SortOrder order)
 896 {
 897     ViewProperties props(url());
 898     props.setSortOrder(order);
 899
 900     KItemModelBase* model = fileItemModel();
 901     model->setSortOrder(order);
 902
 903     emit sortOrderChanged(order);
 904 }
 905
 906 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 907 {
 908     ViewProperties props(url());
 909     props.setSortFoldersFirst(foldersFirst);
 910
 911     KFileItemModel* model = fileItemModel();
 912     model->setSortFoldersFirst(foldersFirst);
 913
 914     emit sortFoldersFirstChanged(foldersFirst);
 915 }
 916
 917 QPair<bool, QString> DolphinView::pasteInfo() const
 918 {
 919     return KonqOperations::pasteInfo(url());
 920 }
 921
 922 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 923 {
 924     m_tabsForFiles = tabsForFiles;
 925 }
 926
 927 bool DolphinView::isTabsForFilesEnabled() const
 928 {
 929     return m_tabsForFiles;
 930 }
 931
 932 bool DolphinView::itemsExpandable() const
 933 {
 934     return m_mode == DetailsView;
 935 }
 936
 937 void DolphinView::restoreState(QDataStream& stream)
 938 {
 939     // Restore the current item that had the keyboard focus
 940     stream >> m_currentItemUrl;
 941
 942     // Restore the view position
 943     stream >> m_restoredContentsPosition;
 944
 945     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 946     QSet<KUrl> urls;
 947     stream >> urls;
 948     fileItemModel()->restoreExpandedUrls(urls);
 949 }
 950
 951 void DolphinView::saveState(QDataStream& stream)
 952 {
 953     // Save the current item that has the keyboard focus
 954     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 955     if (currentIndex != -1) {
 956         KFileItem item = fileItemModel()->fileItem(currentIndex);
 957         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 958         KUrl currentItemUrl = item.url();
 959         stream << currentItemUrl;
 960     } else {
 961         stream << KUrl();
 962     }
 963
 964     // Save view position
 965     const qreal x = m_container->horizontalScrollBar()->value();
 966     const qreal y = m_container->verticalScrollBar()->value();
 967     stream << QPoint(x, y);
 968
 969     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 970     stream << fileItemModel()->expandedUrls();
 971 }
 972
 973 bool DolphinView::hasSelection() const
 974 {
 975     return m_container->controller()->selectionManager()->hasSelection();
 976 }
 977
 978 KFileItem DolphinView::rootItem() const
 979 {
 980     return m_dirLister->rootItem();
 981 }
 982
 983 void DolphinView::observeCreatedItem(const KUrl& url)
 984 {
 985     m_createdItemUrl = url;
 986     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 987     //        this, SLOT(selectAndScrollToCreatedItem()));
 988 }
 989
 990 void DolphinView::selectAndScrollToCreatedItem()
 991 {
 992     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 993     if (dirIndex.isValid()) {
 994         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 995         QAbstractItemView* view = m_viewAccessor.itemView();
 996         if (view) {
 997             view->setCurrentIndex(proxyIndex);
 998         }
 999     }
1000
1001     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1002                this, SLOT(selectAndScrollToCreatedItem()));*/
1003     m_createdItemUrl = KUrl();
1004 }
1005
1006 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1007 {
1008     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1009         emit redirection(oldUrl, newUrl);
1010         m_url = newUrl; // #186947
1011     }
1012 }
1013
1014 void DolphinView::updateViewState()
1015 {
1016     if (m_currentItemUrl != KUrl()) {
1017         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1018         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1019         if (currentIndex != -1) {
1020             selectionManager->setCurrentItem(currentIndex);
1021         } else {
1022             selectionManager->setCurrentItem(0);
1023         }
1024         m_currentItemUrl = KUrl();
1025     }
1026
1027     if (!m_restoredContentsPosition.isNull()) {
1028         const int x = m_restoredContentsPosition.x();
1029         const int y = m_restoredContentsPosition.y();
1030         m_restoredContentsPosition = QPoint();
1031
1032         m_container->horizontalScrollBar()->setValue(x);
1033         m_container->verticalScrollBar()->setValue(y);
1034     }
1035
1036     if (!m_selectedUrls.isEmpty()) {
1037         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1038         QSet<int> selectedItems = selectionManager->selectedItems();
1039         const KFileItemModel* model = fileItemModel();
1040
1041         foreach (const KUrl& url, m_selectedUrls) {
1042             const int index = model->index(url);
1043             if (index >= 0) {
1044                 selectedItems.insert(index);
1045             }
1046         }
1047
1048         selectionManager->setSelectedItems(selectedItems);
1049         m_selectedUrls.clear();
1050     }
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"