src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QBoxLayout>
  26 #include <QClipboard>
  27 #include <QDropEvent>
  28 #include <QGraphicsSceneDragDropEvent>
  29 #include <QKeyEvent>
  30 #include <QItemSelection>
  31 #include <QTimer>
  32 #include <QScrollBar>
  33
  34 #include <KActionCollection>
  35 #include <KColorScheme>
  36 #include <KDirLister>
  37 #include <KDirModel>
  38 #include <KIconEffect>
  39 #include <KFileItem>
  40 #include <KFileItemListProperties>
  41 #include <KLocale>
  42 #include <kitemviews/kfileitemmodel.h>
  43 #include <kitemviews/kfileitemlistview.h>
  44 #include <kitemviews/kitemlistselectionmanager.h>
  45 #include <kitemviews/kitemlistview.h>
  46 #include <kitemviews/kitemlistcontroller.h>
  47 #include <KIO/DeleteJob>
  48 #include <KIO/NetAccess>
  49 #include <KIO/PreviewJob>
  50 #include <KJob>
  51 #include <KMenu>
  52 #include <KMessageBox>
  53 #include <konq_fileitemcapabilities.h>
  54 #include <konq_operations.h>
  55 #include <konqmimedata.h>
  56 #include <KToggleAction>
  57 #include <KUrl>
  58
  59 #include "additionalinfoaccessor.h"
  60 #include "dolphindirlister.h"
  61 #include "dolphinnewfilemenuobserver.h"
  62 #include "dolphin_detailsmodesettings.h"
  63 #include "dolphin_generalsettings.h"
  64 #include "dolphinitemlistcontainer.h"
  65 #include "draganddrophelper.h"
  66 #include "renamedialog.h"
  67 #include "versioncontrol/versioncontrolobserver.h"
  68 #include "viewmodecontroller.h"
  69 #include "viewproperties.h"
  70 #include "views/tooltips/tooltipmanager.h"
  71 #include "zoomlevelinfo.h"
  72
  73 namespace {
  74     const int MaxModeEnum = DolphinView::CompactView;
  75     const int MaxSortingEnum = DolphinView::SortByPath;
  76 };
  77
  78 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  79     QWidget(parent),
  80     m_active(true),
  81     m_tabsForFiles(false),
  82     m_assureVisibleCurrentIndex(false),
  83     m_isFolderWritable(true),
  84     m_url(url),
  85     m_mode(DolphinView::IconsView),
  86     m_additionalInfoList(),
  87     m_topLayout(0),
  88     m_dirLister(0),
  89     m_container(0),
  90     m_toolTipManager(0),
  91     m_selectionChangedTimer(0),
  92     m_currentItemUrl(),
  93     m_restoredContentsPosition(),
  94     m_createdItemUrl(),
  95     m_selectedUrls(),
  96     m_versionControlObserver(0)
  97 {
  98     m_topLayout = new QVBoxLayout(this);
  99     m_topLayout->setSpacing(0);
 100     m_topLayout->setMargin(0);
 101
 102     // When a new item has been created by the "Create New..." menu, the item should
 103     // get selected and it must be assured that the item will get visible. As the
 104     // creation is done asynchronously, several signals must be checked:
 105     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 106             this, SLOT(observeCreatedItem(KUrl)));
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 112             this, SLOT(emitSelectionChangedSignal()));
 113
 114     m_dirLister = new DolphinDirLister(this);
 115     m_dirLister->setAutoUpdate(true);
 116     m_dirLister->setDelayedMimeTypes(true);
 117
 118     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
 119     connect(m_dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
 120     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
 121             this, SLOT(slotRefreshItems()));
 122
 123     connect(m_dirLister, SIGNAL(clear()),                     this, SIGNAL(itemCountChanged()));
 124     connect(m_dirLister, SIGNAL(newItems(KFileItemList)),     this, SIGNAL(itemCountChanged()));
 125     connect(m_dirLister, SIGNAL(infoMessage(QString)),        this, SIGNAL(infoMessage(QString)));
 126     connect(m_dirLister, SIGNAL(errorMessage(QString)),       this, SIGNAL(infoMessage(QString)));
 127     connect(m_dirLister, SIGNAL(percent(int)),                this, SIGNAL(pathLoadingProgress(int)));
 128     connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)),        this, SIGNAL(urlIsFileError(KUrl)));
 129     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
 130
 131     m_container = new DolphinItemListContainer(m_dirLister, this);
 132     m_container->setVisibleRoles(QList<QByteArray>() << "name");
 133     m_container->installEventFilter(this);
 134     setFocusProxy(m_container);
 135
 136     KItemListController* controller = m_container->controller();
 137     controller->setSelectionBehavior(KItemListController::MultiSelection);
 138     if (GeneralSettings::autoExpandFolders()) {
 139         controller->setAutoActivationDelay(750);
 140     }
 141     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 142     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 143     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 144     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 145     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 146     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 147     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 148     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 149     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 150     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 151
 152     KFileItemModel* model = fileItemModel();
 153     if (model) {
 154         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 155     }
 156
 157     KItemListView* view = controller->view();
 158     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 159             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 160     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 161             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 162
 163     KItemListSelectionManager* selectionManager = controller->selectionManager();
 164     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 165             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 166
 167     m_toolTipManager = new ToolTipManager(this);
 168
 169     m_versionControlObserver = new VersionControlObserver(this);
 170     m_versionControlObserver->setModel(model);
 171     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 172     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 173     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 174
 175     applyViewProperties();
 176     m_topLayout->addWidget(m_container);
 177
 178     loadDirectory(url);
 179 }
 180
 181 DolphinView::~DolphinView()
 182 {
 183 }
 184
 185 KUrl DolphinView::url() const
 186 {
 187     return m_url;
 188 }
 189
 190 void DolphinView::setActive(bool active)
 191 {
 192     if (active == m_active) {
 193         return;
 194     }
 195
 196     m_active = active;
 197
 198     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 199     if (!active) {
 200         color.setAlpha(150);
 201     }
 202
 203     QWidget* viewport = m_container->viewport();
 204     if (viewport) {
 205         QPalette palette;
 206         palette.setColor(viewport->backgroundRole(), color);
 207         viewport->setPalette(palette);
 208     }
 209
 210     update();
 211
 212     if (active) {
 213         m_container->setFocus();
 214         emit activated();
 215         emit writeStateChanged(m_isFolderWritable);
 216     }
 217 }
 218
 219 bool DolphinView::isActive() const
 220 {
 221     return m_active;
 222 }
 223
 224 void DolphinView::setMode(Mode mode)
 225 {
 226     if (mode != m_mode) {
 227         ViewProperties props(url());
 228         props.setViewMode(mode);
 229         props.save();
 230
 231         applyViewProperties();
 232     }
 233 }
 234
 235 DolphinView::Mode DolphinView::mode() const
 236 {
 237     return m_mode;
 238 }
 239
 240 void DolphinView::setPreviewsShown(bool show)
 241 {
 242     if (previewsShown() == show) {
 243         return;
 244     }
 245
 246     ViewProperties props(url());
 247     props.setPreviewsShown(show);
 248
 249     m_container->setPreviewsShown(show);
 250     emit previewsShownChanged(show);
 251 }
 252
 253 bool DolphinView::previewsShown() const
 254 {
 255     return m_container->previewsShown();
 256 }
 257
 258 void DolphinView::setHiddenFilesShown(bool show)
 259 {
 260     if (m_dirLister->showingDotFiles() == show) {
 261         return;
 262     }
 263
 264     const KFileItemList itemList = selectedItems();
 265     m_selectedUrls.clear();
 266     m_selectedUrls = itemList.urlList();
 267
 268     ViewProperties props(url());
 269     props.setHiddenFilesShown(show);
 270
 271     fileItemModel()->setShowHiddenFiles(show);
 272     emit hiddenFilesShownChanged(show);
 273 }
 274
 275 bool DolphinView::hiddenFilesShown() const
 276 {
 277     return m_dirLister->showingDotFiles();
 278 }
 279
 280 void DolphinView::setGroupedSorting(bool grouped)
 281 {
 282     if (grouped == groupedSorting()) {
 283         return;
 284     }
 285
 286     ViewProperties props(url());
 287     props.setGroupedSorting(grouped);
 288     props.save();
 289
 290     m_container->controller()->model()->setGroupedSorting(grouped);
 291
 292     emit groupedSortingChanged(grouped);
 293 }
 294
 295 bool DolphinView::groupedSorting() const
 296 {
 297     return fileItemModel()->groupedSorting();
 298 }
 299
 300 KFileItemList DolphinView::items() const
 301 {
 302     return m_dirLister->items();
 303 }
 304
 305 KFileItemList DolphinView::selectedItems() const
 306 {
 307     const KFileItemModel* model = fileItemModel();
 308     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 309     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 310
 311     QList<int> sortedIndexes = selectedIndexes.toList();
 312     qSort(sortedIndexes);
 313
 314     KFileItemList selectedItems;
 315     QListIterator<int> it(sortedIndexes);
 316     while (it.hasNext()) {
 317         const int index = it.next();
 318         selectedItems.append(model->fileItem(index));
 319     }
 320     return selectedItems;
 321 }
 322
 323 int DolphinView::selectedItemsCount() const
 324 {
 325     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 326     return selectionManager->selectedItems().count();
 327 }
 328
 329 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 330 {
 331     m_selectedUrls = urls;
 332 }
 333
 334 void DolphinView::markUrlAsCurrent(const KUrl& url)
 335 {
 336     m_currentItemUrl = url;
 337 }
 338
 339 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 340 {
 341     const KItemListSelectionManager::SelectionMode mode = enabled
 342                                                         ? KItemListSelectionManager::Select
 343                                                         : KItemListSelectionManager::Deselect;
 344     const KFileItemModel* model = fileItemModel();
 345     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 346
 347     for (int index = 0; index < model->count(); index++) {
 348         const KFileItem item = model->fileItem(index);
 349         if (pattern.exactMatch(item.text())) {
 350             // An alternative approach would be to store the matching items in a QSet<int> and
 351             // select them in one go after the loop, but we'd need a new function
 352             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 353             // for that.
 354             selectionManager->setSelected(index, 1, mode);
 355         }
 356     }
 357 }
 358
 359 void DolphinView::setZoomLevel(int level)
 360 {
 361     const int oldZoomLevel = zoomLevel();
 362     m_container->setZoomLevel(level);
 363     if (zoomLevel() != oldZoomLevel) {
 364         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 365     }
 366 }
 367
 368 int DolphinView::zoomLevel() const
 369 {
 370     return m_container->zoomLevel();
 371 }
 372
 373 void DolphinView::setSorting(Sorting sorting)
 374 {
 375     if (sorting != this->sorting()) {
 376         updateSorting(sorting);
 377     }
 378 }
 379
 380 DolphinView::Sorting DolphinView::sorting() const
 381 {
 382     KItemModelBase* model = m_container->controller()->model();
 383     return sortingForSortRole(model->sortRole());
 384 }
 385
 386 void DolphinView::setSortOrder(Qt::SortOrder order)
 387 {
 388     if (sortOrder() != order) {
 389         updateSortOrder(order);
 390     }
 391 }
 392
 393 Qt::SortOrder DolphinView::sortOrder() const
 394 {
 395     KItemModelBase* model = fileItemModel();
 396     return model->sortOrder();
 397 }
 398
 399 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 400 {
 401     if (sortFoldersFirst() != foldersFirst) {
 402         updateSortFoldersFirst(foldersFirst);
 403     }
 404 }
 405
 406 bool DolphinView::sortFoldersFirst() const
 407 {
 408     KFileItemModel* model = fileItemModel();
 409     return model->sortFoldersFirst();
 410 }
 411
 412 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 413 {
 414     const QList<AdditionalInfo> previousList = info;
 415
 416     ViewProperties props(url());
 417     props.setAdditionalInfoList(info);
 418
 419     m_additionalInfoList = info;
 420     applyAdditionalInfoListToView();
 421
 422     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 423 }
 424
 425 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 426 {
 427     return m_additionalInfoList;
 428 }
 429
 430 void DolphinView::reload()
 431 {
 432     QByteArray viewState;
 433     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 434     saveState(saveStream);
 435
 436     const KFileItemList itemList = selectedItems();
 437     m_selectedUrls.clear();
 438     m_selectedUrls = itemList.urlList();
 439
 440     setUrl(url());
 441     loadDirectory(url(), true);
 442
 443     QDataStream restoreStream(viewState);
 444     restoreState(restoreStream);
 445 }
 446
 447 void DolphinView::stopLoading()
 448 {
 449     m_dirLister->stop();
 450 }
 451
 452 void DolphinView::refresh()
 453 {
 454     m_container->refresh();
 455     applyViewProperties();
 456 }
 457
 458 void DolphinView::setNameFilter(const QString& nameFilter)
 459 {
 460     fileItemModel()->setNameFilter(nameFilter);
 461 }
 462
 463 QString DolphinView::nameFilter() const
 464 {
 465     return fileItemModel()->nameFilter();
 466 }
 467
 468 void DolphinView::calculateItemCount(int& fileCount,
 469                                      int& folderCount,
 470                                      KIO::filesize_t& totalFileSize) const
 471 {
 472     foreach (const KFileItem& item, m_dirLister->items()) {
 473         if (item.isDir()) {
 474             ++folderCount;
 475         } else {
 476             ++fileCount;
 477             totalFileSize += item.size();
 478         }
 479     }
 480 }
 481
 482 QString DolphinView::statusBarText() const
 483 {
 484     QString summary;
 485     QString foldersText;
 486     QString filesText;
 487
 488     int folderCount = 0;
 489     int fileCount = 0;
 490     KIO::filesize_t totalFileSize = 0;
 491
 492     if (hasSelection()) {
 493         // Give a summary of the status of the selected files
 494         const KFileItemList list = selectedItems();
 495         foreach (const KFileItem& item, list) {
 496             if (item.isDir()) {
 497                 ++folderCount;
 498             } else {
 499                 ++fileCount;
 500                 totalFileSize += item.size();
 501             }
 502         }
 503
 504         if (folderCount + fileCount == 1) {
 505             // If only one item is selected, show the filename
 506             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 507         } else {
 508             // At least 2 items are selected
 509             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 510             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 511         }
 512     } else {
 513         calculateItemCount(fileCount, folderCount, totalFileSize);
 514         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 515         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 516     }
 517
 518     if (fileCount > 0 && folderCount > 0) {
 519         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 520                         foldersText, filesText, fileSizeText(totalFileSize));
 521     } else if (fileCount > 0) {
 522         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 523     } else if (folderCount > 0) {
 524         summary = foldersText;
 525     }
 526
 527     return summary;
 528 }
 529
 530 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 531 {
 532     QList<QAction*> actions;
 533
 534     if (items.isEmpty()) {
 535         const KFileItem item = fileItemModel()->rootItem();
 536         actions = m_versionControlObserver->actions(KFileItemList() << item);
 537     } else {
 538         actions = m_versionControlObserver->actions(items);
 539     }
 540
 541     return actions;
 542 }
 543
 544 void DolphinView::setUrl(const KUrl& url)
 545 {
 546     if (url == m_url) {
 547         return;
 548     }
 549
 550     emit urlAboutToBeChanged(url);
 551     m_url = url;
 552
 553     if (GeneralSettings::showToolTips()) {
 554         m_toolTipManager->hideToolTip();
 555     }
 556
 557     // It is important to clear the items from the model before
 558     // applying the view properties, otherwise expensive operations
 559     // might be done on the existing items although they get cleared
 560     // anyhow afterwards by loadDirectory().
 561     fileItemModel()->clear();
 562     applyViewProperties();
 563     loadDirectory(url);
 564
 565     emit urlChanged(url);
 566 }
 567
 568 void DolphinView::selectAll()
 569 {
 570     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 571     selectionManager->setSelected(0, fileItemModel()->count());
 572 }
 573
 574 void DolphinView::invertSelection()
 575 {
 576     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 577     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 578 }
 579
 580 void DolphinView::clearSelection()
 581 {
 582     m_container->controller()->selectionManager()->clearSelection();
 583 }
 584
 585 void DolphinView::renameSelectedItems()
 586 {
 587     KFileItemList items = selectedItems();
 588     const int itemCount = items.count();
 589     if (itemCount < 1) {
 590         return;
 591     }
 592
 593     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 594     // renaming yet.
 595     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 596         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 597         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 598         m_viewAccessor.itemView()->edit(proxyIndex);
 599     } else {*/
 600         RenameDialog* dialog = new RenameDialog(this, items);
 601         dialog->setAttribute(Qt::WA_DeleteOnClose);
 602         dialog->show();
 603         dialog->raise();
 604         dialog->activateWindow();
 605     //}
 606
 607     // assure that the current index remains visible when KDirLister
 608     // will notify the view about changed items
 609     m_assureVisibleCurrentIndex = true;
 610 }
 611
 612 void DolphinView::trashSelectedItems()
 613 {
 614     const KUrl::List list = simplifiedSelectedUrls();
 615     KonqOperations::del(this, KonqOperations::TRASH, list);
 616 }
 617
 618 void DolphinView::deleteSelectedItems()
 619 {
 620     const KUrl::List list = simplifiedSelectedUrls();
 621     const bool del = KonqOperations::askDeleteConfirmation(list,
 622                      KonqOperations::DEL,
 623                      KonqOperations::DEFAULT_CONFIRMATION,
 624                      this);
 625
 626     if (del) {
 627         KIO::Job* job = KIO::del(list);
 628         connect(job, SIGNAL(result(KJob*)),
 629                 this, SLOT(slotDeleteFileFinished(KJob*)));
 630     }
 631 }
 632
 633 void DolphinView::cutSelectedItems()
 634 {
 635     QMimeData* mimeData = selectionMimeData();
 636     KonqMimeData::addIsCutSelection(mimeData, true);
 637     QApplication::clipboard()->setMimeData(mimeData);
 638 }
 639
 640 void DolphinView::copySelectedItems()
 641 {
 642     QMimeData* mimeData = selectionMimeData();
 643     QApplication::clipboard()->setMimeData(mimeData);
 644 }
 645
 646 void DolphinView::paste()
 647 {
 648     pasteToUrl(url());
 649 }
 650
 651 void DolphinView::pasteIntoFolder()
 652 {
 653     const KFileItemList items = selectedItems();
 654     if ((items.count() == 1) && items.first().isDir()) {
 655         pasteToUrl(items.first().url());
 656     }
 657 }
 658
 659 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 660 {
 661     switch (event->type()) {
 662     case QEvent::FocusIn:
 663         if (watched == m_container) {
 664             setActive(true);
 665         }
 666         break;
 667
 668     default:
 669         break;
 670     }
 671
 672     return QWidget::eventFilter(watched, event);
 673 }
 674
 675 void DolphinView::wheelEvent(QWheelEvent* event)
 676 {
 677     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 678         const int numDegrees = event->delta() / 8;
 679         const int numSteps = numDegrees / 15;
 680
 681         setZoomLevel(zoomLevel() + numSteps);
 682         event->accept();
 683     } else {
 684         event->ignore();
 685     }
 686 }
 687
 688 void DolphinView::activate()
 689 {
 690     setActive(true);
 691 }
 692
 693 void DolphinView::slotItemActivated(int index)
 694 {
 695     const KFileItem item = fileItemModel()->fileItem(index);
 696     if (!item.isNull()) {
 697         emit itemActivated(item);
 698     }
 699 }
 700
 701 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 702 {
 703     Q_ASSERT(indexes.count() >= 2);
 704
 705     KFileItemList items;
 706
 707     KFileItemModel* model = fileItemModel();
 708     QSetIterator<int> it(indexes);
 709     while (it.hasNext()) {
 710         const int index = it.next();
 711         items.append(model->fileItem(index));
 712     }
 713
 714     foreach (const KFileItem& item, items) {
 715         if (item.isDir()) {
 716             emit tabRequested(item.url());
 717         } else {
 718             emit itemActivated(item);
 719         }
 720     }
 721 }
 722
 723 void DolphinView::slotItemMiddleClicked(int index)
 724 {
 725     const KFileItem item = fileItemModel()->fileItem(index);
 726     if (item.isDir() || isTabsForFilesEnabled()) {
 727         emit tabRequested(item.url());
 728     }
 729 }
 730
 731 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 732 {
 733     if (GeneralSettings::showToolTips()) {
 734         m_toolTipManager->hideToolTip();
 735     }
 736     const KFileItem item = fileItemModel()->fileItem(index);
 737     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 738 }
 739
 740 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 741 {
 742     if (GeneralSettings::showToolTips()) {
 743         m_toolTipManager->hideToolTip();
 744     }
 745     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 746 }
 747
 748 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 749 {
 750     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 751
 752     KItemListView* view = m_container->controller()->view();
 753     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 754
 755     // Add all roles to the menu that can be shown or hidden by the user
 756     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 757     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 758     foreach (const DolphinView::AdditionalInfo info, keys) {
 759         const QByteArray& role = infoAccessor.role(info);
 760         if (role != "name") {
 761             const QString text = fileItemModel()->roleDescription(role);
 762
 763             QAction* action = menu.data()->addAction(text);
 764             action->setCheckable(true);
 765             action->setChecked(visibleRolesSet.contains(role));
 766             action->setData(info);
 767         }
 768     }
 769
 770     QAction* action = menu.data()->exec(pos.toPoint());
 771     if (action) {
 772         // Show or hide the selected role
 773         const DolphinView::AdditionalInfo info =
 774             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 775
 776         ViewProperties props(url());
 777         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 778
 779         const QByteArray selectedRole = infoAccessor.role(info);
 780         QList<QByteArray> visibleRoles = view->visibleRoles();
 781
 782         if (action->isChecked()) {
 783             const int index = keys.indexOf(info) + 1;
 784             visibleRoles.insert(index, selectedRole);
 785             infoList.insert(index, info);
 786         } else {
 787             visibleRoles.removeOne(selectedRole);
 788             infoList.removeOne(info);
 789         }
 790
 791         view->setVisibleRoles(visibleRoles);
 792         props.setAdditionalInfoList(infoList);
 793     }
 794
 795     delete menu.data();
 796 }
 797
 798 void DolphinView::slotItemHovered(int index)
 799 {
 800     const KFileItem item = fileItemModel()->fileItem(index);
 801
 802     if (GeneralSettings::showToolTips()) {
 803         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 804         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 805         itemRect.moveTo(pos);
 806
 807         m_toolTipManager->showToolTip(item, itemRect);
 808     }
 809
 810     emit requestItemInfo(item);
 811 }
 812
 813 void DolphinView::slotItemUnhovered(int index)
 814 {
 815     Q_UNUSED(index);
 816     if (GeneralSettings::showToolTips()) {
 817         m_toolTipManager->hideToolTip();
 818     }
 819     emit requestItemInfo(KFileItem());
 820 }
 821
 822 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 823 {
 824     const KFileItem destItem = fileItemModel()->fileItem(index);
 825
 826     QDropEvent dropEvent(event->pos().toPoint(),
 827                          event->possibleActions(),
 828                          event->mimeData(),
 829                          event->buttons(),
 830                          event->modifiers());
 831
 832     const QString error = DragAndDropHelper::dropUrls(destItem, url(), &dropEvent);
 833     if (!error.isEmpty()) {
 834         emit errorMessage(error);
 835     }
 836 }
 837
 838 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 839 {
 840     if (previous != 0) {
 841         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 842     }
 843
 844     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 845     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 846
 847     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 848     m_versionControlObserver->setModel(fileItemModel);
 849 }
 850
 851 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 852 {
 853     const int currentCount = current.count();
 854     const int previousCount = previous.count();
 855     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 856                                        (currentCount >  0 && previousCount == 0);
 857
 858     // If nothing has been selected before and something got selected (or if something
 859     // was selected before and now nothing is selected) the selectionChangedSignal must
 860     // be emitted asynchronously as fast as possible to update the edit-actions.
 861     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 862     m_selectionChangedTimer->start();
 863 }
 864
 865 void DolphinView::emitSelectionChangedSignal()
 866 {
 867     m_selectionChangedTimer->stop();
 868     emit selectionChanged(selectedItems());
 869 }
 870
 871 void DolphinView::dropUrls(const KFileItem& destItem,
 872                            const KUrl& destPath,
 873                            QDropEvent* event)
 874 {
 875     Q_UNUSED(destItem);
 876     Q_UNUSED(destPath);
 877     markPastedUrlsAsSelected(event->mimeData());
 878     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 879 }
 880
 881 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 882 {
 883     ViewProperties props(url());
 884     props.setSorting(sorting);
 885
 886     KItemModelBase* model = m_container->controller()->model();
 887     model->setSortRole(sortRoleForSorting(sorting));
 888
 889     emit sortingChanged(sorting);
 890 }
 891
 892 void DolphinView::updateSortOrder(Qt::SortOrder order)
 893 {
 894     ViewProperties props(url());
 895     props.setSortOrder(order);
 896
 897     KItemModelBase* model = fileItemModel();
 898     model->setSortOrder(order);
 899
 900     emit sortOrderChanged(order);
 901 }
 902
 903 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 904 {
 905     ViewProperties props(url());
 906     props.setSortFoldersFirst(foldersFirst);
 907
 908     KFileItemModel* model = fileItemModel();
 909     model->setSortFoldersFirst(foldersFirst);
 910
 911     emit sortFoldersFirstChanged(foldersFirst);
 912 }
 913
 914 QPair<bool, QString> DolphinView::pasteInfo() const
 915 {
 916     return KonqOperations::pasteInfo(url());
 917 }
 918
 919 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 920 {
 921     m_tabsForFiles = tabsForFiles;
 922 }
 923
 924 bool DolphinView::isTabsForFilesEnabled() const
 925 {
 926     return m_tabsForFiles;
 927 }
 928
 929 bool DolphinView::itemsExpandable() const
 930 {
 931     return m_mode == DetailsView;
 932 }
 933
 934 void DolphinView::restoreState(QDataStream& stream)
 935 {
 936     // Restore the current item that had the keyboard focus
 937     stream >> m_currentItemUrl;
 938
 939     // Restore the view position
 940     stream >> m_restoredContentsPosition;
 941
 942     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 943     QSet<KUrl> urls;
 944     stream >> urls;
 945     fileItemModel()->restoreExpandedUrls(urls);
 946 }
 947
 948 void DolphinView::saveState(QDataStream& stream)
 949 {
 950     // Save the current item that has the keyboard focus
 951     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 952     if (currentIndex != -1) {
 953         KFileItem item = fileItemModel()->fileItem(currentIndex);
 954         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 955         KUrl currentItemUrl = item.url();
 956         stream << currentItemUrl;
 957     } else {
 958         stream << KUrl();
 959     }
 960
 961     // Save view position
 962     const qreal x = m_container->horizontalScrollBar()->value();
 963     const qreal y = m_container->verticalScrollBar()->value();
 964     stream << QPoint(x, y);
 965
 966     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 967     stream << fileItemModel()->expandedUrls();
 968 }
 969
 970 bool DolphinView::hasSelection() const
 971 {
 972     return m_container->controller()->selectionManager()->hasSelection();
 973 }
 974
 975 KFileItem DolphinView::rootItem() const
 976 {
 977     return m_dirLister->rootItem();
 978 }
 979
 980 void DolphinView::observeCreatedItem(const KUrl& url)
 981 {
 982     m_createdItemUrl = url;
 983     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 984     //        this, SLOT(selectAndScrollToCreatedItem()));
 985 }
 986
 987 void DolphinView::selectAndScrollToCreatedItem()
 988 {
 989     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 990     if (dirIndex.isValid()) {
 991         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 992         QAbstractItemView* view = m_viewAccessor.itemView();
 993         if (view) {
 994             view->setCurrentIndex(proxyIndex);
 995         }
 996     }
 997
 998     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 999                this, SLOT(selectAndScrollToCreatedItem()));*/
1000     m_createdItemUrl = KUrl();
1001 }
1002
1003 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1004 {
1005     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1006         emit redirection(oldUrl, newUrl);
1007         m_url = newUrl; // #186947
1008     }
1009 }
1010
1011 void DolphinView::updateViewState()
1012 {
1013     if (m_currentItemUrl != KUrl()) {
1014         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1015         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1016         if (currentIndex != -1) {
1017             selectionManager->setCurrentItem(currentIndex);
1018         } else {
1019             selectionManager->setCurrentItem(0);
1020         }
1021         m_currentItemUrl = KUrl();
1022     }
1023
1024     if (!m_restoredContentsPosition.isNull()) {
1025         const int x = m_restoredContentsPosition.x();
1026         const int y = m_restoredContentsPosition.y();
1027         m_restoredContentsPosition = QPoint();
1028
1029         m_container->horizontalScrollBar()->setValue(x);
1030         m_container->verticalScrollBar()->setValue(y);
1031     }
1032
1033     if (!m_selectedUrls.isEmpty()) {
1034         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1035         QSet<int> selectedItems = selectionManager->selectedItems();
1036         const KFileItemModel* model = fileItemModel();
1037
1038         foreach (const KUrl& url, m_selectedUrls) {
1039             const int index = model->index(url);
1040             if (index >= 0) {
1041                 selectedItems.insert(index);
1042             }
1043         }
1044
1045         selectionManager->setSelectedItems(selectedItems);
1046         m_selectedUrls.clear();
1047     }
1048 }
1049
1050 void DolphinView::showHoverInformation(const KFileItem& item)
1051 {
1052     emit requestItemInfo(item);
1053 }
1054
1055 void DolphinView::clearHoverInformation()
1056 {
1057     emit requestItemInfo(KFileItem());
1058 }
1059
1060 void DolphinView::slotDeleteFileFinished(KJob* job)
1061 {
1062     if (job->error() == 0) {
1063         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1064     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1065         emit errorMessage(job->errorString());
1066     }
1067 }
1068
1069 void DolphinView::slotDirListerStarted(const KUrl& url)
1070 {
1071     // Disable the writestate temporary until it can be determined in a fast way
1072     // in DolphinView::slotLoadingCompleted()
1073     if (m_isFolderWritable) {
1074         m_isFolderWritable = false;
1075         emit writeStateChanged(m_isFolderWritable);
1076     }
1077
1078     emit startedPathLoading(url);
1079 }
1080
1081 void DolphinView::slotLoadingCompleted()
1082 {
1083     // Update the view-state. This has to be done using a Qt::QueuedConnection
1084     // because the view might not be in its final state yet (the view also
1085     // listens to the completed()-signal from KDirLister and the order of
1086     // of slots is undefined).
1087     QTimer::singleShot(0, this, SLOT(updateViewState()));
1088
1089     emit finishedPathLoading(url());
1090
1091     updateWritableState();
1092 }
1093
1094 void DolphinView::slotRefreshItems()
1095 {
1096     if (m_assureVisibleCurrentIndex) {
1097         m_assureVisibleCurrentIndex = false;
1098         //QAbstractItemView* view = m_viewAccessor.itemView();
1099         //if (view) {
1100         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1101         //}
1102     }
1103 }
1104
1105 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1106 {
1107     Q_UNUSED(previous);
1108     Q_ASSERT(fileItemModel()->sortOrder() == current);
1109
1110     ViewProperties props(url());
1111     props.setSortOrder(current);
1112
1113     emit sortOrderChanged(current);
1114 }
1115
1116 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1117 {
1118     Q_UNUSED(previous);
1119     Q_ASSERT(fileItemModel()->sortRole() == current);
1120
1121     ViewProperties props(url());
1122     const Sorting sorting = sortingForSortRole(current);
1123     props.setSorting(sorting);
1124
1125     emit sortingChanged(sorting);
1126 }
1127
1128 KFileItemModel* DolphinView::fileItemModel() const
1129 {
1130     return static_cast<KFileItemModel*>(m_container->controller()->model());
1131 }
1132
1133 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1134 {
1135     if (!url.isValid()) {
1136         const QString location(url.pathOrUrl());
1137         if (location.isEmpty()) {
1138             emit errorMessage(i18nc("@info:status", "The location is empty."));
1139         } else {
1140             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1141         }
1142         return;
1143     }
1144
1145     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1146 }
1147
1148 void DolphinView::applyViewProperties()
1149 {
1150     m_container->beginTransaction();
1151
1152     const ViewProperties props(url());
1153     KFileItemModel* model = fileItemModel();
1154
1155     const Mode mode = props.viewMode();
1156     if (m_mode != mode) {
1157         // Prevent an animated transition of the position and size of the items when switching
1158         // the view-mode by temporary clearing the model and updating it again after the view mode
1159         // has been modified.
1160         const bool restoreModel = (model->count() > 0);
1161         if (restoreModel) {
1162             const int currentItemIndex = m_container->controller()->selectionManager()->currentItem();
1163             if (currentItemIndex >= 0) {
1164                 m_currentItemUrl = model->fileItem(currentItemIndex).url();
1165             }
1166             m_selectedUrls = selectedItems().urlList();
1167             model->clear();
1168         }
1169
1170         const Mode previousMode = m_mode;
1171         m_mode = mode;
1172
1173         // Changing the mode might result in changing
1174         // the zoom level. Remember the old zoom level so
1175         // that zoomLevelChanged() can get emitted.
1176         const int oldZoomLevel = m_container->zoomLevel();
1177
1178         switch (m_mode) {
1179         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1180         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1181         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1182         default: Q_ASSERT(false); break;
1183         }
1184
1185         emit modeChanged(m_mode, previousMode);
1186
1187         if (m_container->zoomLevel() != oldZoomLevel) {
1188             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1189         }
1190
1191         if (restoreModel) {
1192             loadDirectory(url());
1193         }
1194     }
1195
1196     const bool hiddenFilesShown = props.hiddenFilesShown();
1197     if (hiddenFilesShown != model->showHiddenFiles()) {
1198         model->setShowHiddenFiles(hiddenFilesShown);
1199         emit hiddenFilesShownChanged(hiddenFilesShown);
1200     }
1201
1202     const bool groupedSorting = props.groupedSorting();
1203     if (groupedSorting != model->groupedSorting()) {
1204         model->setGroupedSorting(groupedSorting);
1205         emit groupedSortingChanged(groupedSorting);
1206     }
1207
1208     const DolphinView::Sorting sorting = props.sorting();
1209     const QByteArray newSortRole = sortRoleForSorting(sorting);
1210     if (newSortRole != model->sortRole()) {
1211         model->setSortRole(newSortRole);
1212         emit sortingChanged(sorting);
1213     }
1214
1215     const Qt::SortOrder sortOrder = props.sortOrder();
1216     if (sortOrder != model->sortOrder()) {
1217         model->setSortOrder(sortOrder);
1218         emit sortOrderChanged(sortOrder);
1219     }
1220
1221     const bool sortFoldersFirst = props.sortFoldersFirst();
1222     if (sortFoldersFirst != model->sortFoldersFirst()) {
1223         model->setSortFoldersFirst(sortFoldersFirst);
1224         emit sortFoldersFirstChanged(sortFoldersFirst);
1225     }
1226
1227     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1228     if (infoList != m_additionalInfoList) {
1229         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1230         m_additionalInfoList = infoList;
1231         applyAdditionalInfoListToView();
1232         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1233     }
1234
1235     const bool previewsShown = props.previewsShown();
1236     if (previewsShown != m_container->previewsShown()) {
1237         const int oldZoomLevel = zoomLevel();
1238
1239         m_container->setPreviewsShown(previewsShown);
1240         emit previewsShownChanged(previewsShown);
1241
1242         // Changing the preview-state might result in a changed zoom-level
1243         if (oldZoomLevel != zoomLevel()) {
1244             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1245         }
1246     }
1247
1248     m_container->endTransaction();
1249 }
1250
1251 void DolphinView::applyAdditionalInfoListToView()
1252 {
1253     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1254
1255     QList<QByteArray> visibleRoles;
1256     visibleRoles.reserve(m_additionalInfoList.count() + 1);
1257     visibleRoles.append("name");
1258
1259     foreach (AdditionalInfo info, m_additionalInfoList) {
1260         visibleRoles.append(infoAccessor.role(info));
1261     }
1262
1263     m_container->setVisibleRoles(visibleRoles);
1264 }
1265
1266 void DolphinView::pasteToUrl(const KUrl& url)
1267 {
1268     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1269     KonqOperations::doPaste(this, url);
1270 }
1271
1272 KUrl::List DolphinView::simplifiedSelectedUrls() const
1273 {
1274     KUrl::List urls;
1275
1276     const KFileItemList items = selectedItems();
1277     foreach (const KFileItem &item, items) {
1278         urls.append(item.url());
1279     }
1280
1281     if (itemsExpandable()) {
1282         // TODO: Check if we still need KDirModel for this in KDE 5.0
1283         urls = KDirModel::simplifiedUrlList(urls);
1284     }
1285
1286     return urls;
1287 }
1288
1289 QMimeData* DolphinView::selectionMimeData() const
1290 {
1291     const KFileItemModel* model = fileItemModel();
1292     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1293     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1294
1295     return model->createMimeData(selectedIndexes);
1296 }
1297
1298 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1299 {
1300     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1301     markUrlsAsSelected(urls);
1302 }
1303
1304 void DolphinView::updateWritableState()
1305 {
1306     const bool wasFolderWritable = m_isFolderWritable;
1307     m_isFolderWritable = true;
1308
1309     const KFileItem item = m_dirLister->rootItem();
1310     if (!item.isNull()) {
1311         KFileItemListProperties capabilities(KFileItemList() << item);
1312         m_isFolderWritable = capabilities.supportsWriting();
1313     }
1314     if (m_isFolderWritable != wasFolderWritable) {
1315         emit writeStateChanged(m_isFolderWritable);
1316     }
1317 }
1318
1319 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1320 {
1321     switch (sorting) {
1322     case SortByName:        return "name";
1323     case SortBySize:        return "size";
1324     case SortByDate:        return "date";
1325     case SortByPermissions: return "permissions";
1326     case SortByOwner:       return "owner";
1327     case SortByGroup:       return "group";
1328     case SortByType:        return "type";
1329     case SortByDestination: return "destination";
1330     case SortByPath:        return "path";
1331     default: break;
1332     }
1333
1334     return QByteArray();
1335 }
1336
1337 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1338 {
1339     static QHash<QByteArray, DolphinView::Sorting> sortHash;
1340     if (sortHash.isEmpty()) {
1341         sortHash.insert("name", SortByName);
1342         sortHash.insert("size", SortBySize);
1343         sortHash.insert("date", SortByDate);
1344         sortHash.insert("permissions", SortByPermissions);
1345         sortHash.insert("owner", SortByOwner);
1346         sortHash.insert("group", SortByGroup);
1347         sortHash.insert("type", SortByType);
1348         sortHash.insert("destination", SortByDestination);
1349         sortHash.insert("path", SortByPath);
1350     }
1351     return sortHash.value(sortRole);
1352 }
1353
1354 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1355 {
1356     const KLocale* locale = KGlobal::locale();
1357     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1358                                     ? 1000 : 1024;
1359
1360     QString text;
1361     if (fileSize < multiplier) {
1362         // Show the size in bytes
1363         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1364     } else if (fileSize < multiplier * multiplier) {
1365         // Show the size in kilobytes and always round up. This is done
1366         // for consistency with the values shown e.g. in the "Size" column
1367         // of the details-view.
1368         fileSize += (multiplier / 2) - 1;
1369         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1370     } else {
1371         // Show the size in the best fitting unit having one decimal
1372         text = locale->formatByteSize(fileSize, 1);
1373     }
1374     return text;
1375 }
1376
1377 #include "dolphinview.moc"