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(itemPressed(int,Qt::MouseButton)), this, SLOT(hideToolTip()));
 150     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 151     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 152     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 153     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 154
 155     KFileItemModel* model = fileItemModel();
 156     if (model) {
 157         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 158     }
 159
 160     KItemListView* view = controller->view();
 161     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 162             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 163     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 164             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 165
 166     KItemListSelectionManager* selectionManager = controller->selectionManager();
 167     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 168             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 169
 170     m_toolTipManager = new ToolTipManager(this);
 171
 172     m_versionControlObserver = new VersionControlObserver(this);
 173     m_versionControlObserver->setModel(model);
 174     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 175     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 176     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 177
 178     applyViewProperties();
 179     m_topLayout->addWidget(m_container);
 180
 181     loadDirectory(url);
 182 }
 183
 184 DolphinView::~DolphinView()
 185 {
 186 }
 187
 188 KUrl DolphinView::url() const
 189 {
 190     return m_url;
 191 }
 192
 193 void DolphinView::setActive(bool active)
 194 {
 195     if (active == m_active) {
 196         return;
 197     }
 198
 199     m_active = active;
 200
 201     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 202     if (!active) {
 203         color.setAlpha(150);
 204     }
 205
 206     QWidget* viewport = m_container->viewport();
 207     if (viewport) {
 208         QPalette palette;
 209         palette.setColor(viewport->backgroundRole(), color);
 210         viewport->setPalette(palette);
 211     }
 212
 213     update();
 214
 215     if (active) {
 216         m_container->setFocus();
 217         emit activated();
 218         emit writeStateChanged(m_isFolderWritable);
 219     }
 220 }
 221
 222 bool DolphinView::isActive() const
 223 {
 224     return m_active;
 225 }
 226
 227 void DolphinView::setMode(Mode mode)
 228 {
 229     if (mode != m_mode) {
 230         ViewProperties props(url());
 231         props.setViewMode(mode);
 232         props.save();
 233
 234         applyViewProperties();
 235     }
 236 }
 237
 238 DolphinView::Mode DolphinView::mode() const
 239 {
 240     return m_mode;
 241 }
 242
 243 void DolphinView::setPreviewsShown(bool show)
 244 {
 245     if (previewsShown() == show) {
 246         return;
 247     }
 248
 249     ViewProperties props(url());
 250     props.setPreviewsShown(show);
 251
 252     m_container->setPreviewsShown(show);
 253     emit previewsShownChanged(show);
 254 }
 255
 256 bool DolphinView::previewsShown() const
 257 {
 258     return m_container->previewsShown();
 259 }
 260
 261 void DolphinView::setHiddenFilesShown(bool show)
 262 {
 263     if (m_dirLister->showingDotFiles() == show) {
 264         return;
 265     }
 266
 267     const KFileItemList itemList = selectedItems();
 268     m_selectedUrls.clear();
 269     m_selectedUrls = itemList.urlList();
 270
 271     ViewProperties props(url());
 272     props.setHiddenFilesShown(show);
 273
 274     fileItemModel()->setShowHiddenFiles(show);
 275     emit hiddenFilesShownChanged(show);
 276 }
 277
 278 bool DolphinView::hiddenFilesShown() const
 279 {
 280     return m_dirLister->showingDotFiles();
 281 }
 282
 283 void DolphinView::setGroupedSorting(bool grouped)
 284 {
 285     if (grouped == groupedSorting()) {
 286         return;
 287     }
 288
 289     ViewProperties props(url());
 290     props.setGroupedSorting(grouped);
 291     props.save();
 292
 293     m_container->controller()->model()->setGroupedSorting(grouped);
 294
 295     emit groupedSortingChanged(grouped);
 296 }
 297
 298 bool DolphinView::groupedSorting() const
 299 {
 300     return fileItemModel()->groupedSorting();
 301 }
 302
 303 KFileItemList DolphinView::items() const
 304 {
 305     return m_dirLister->items();
 306 }
 307
 308 KFileItemList DolphinView::selectedItems() const
 309 {
 310     const KFileItemModel* model = fileItemModel();
 311     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 312     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 313
 314     QList<int> sortedIndexes = selectedIndexes.toList();
 315     qSort(sortedIndexes);
 316
 317     KFileItemList selectedItems;
 318     QListIterator<int> it(sortedIndexes);
 319     while (it.hasNext()) {
 320         const int index = it.next();
 321         selectedItems.append(model->fileItem(index));
 322     }
 323     return selectedItems;
 324 }
 325
 326 int DolphinView::selectedItemsCount() const
 327 {
 328     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 329     return selectionManager->selectedItems().count();
 330 }
 331
 332 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 333 {
 334     m_selectedUrls = urls;
 335 }
 336
 337 void DolphinView::markUrlAsCurrent(const KUrl& url)
 338 {
 339     m_currentItemUrl = url;
 340 }
 341
 342 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 343 {
 344     const KItemListSelectionManager::SelectionMode mode = enabled
 345                                                         ? KItemListSelectionManager::Select
 346                                                         : KItemListSelectionManager::Deselect;
 347     const KFileItemModel* model = fileItemModel();
 348     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 349
 350     for (int index = 0; index < model->count(); index++) {
 351         const KFileItem item = model->fileItem(index);
 352         if (pattern.exactMatch(item.text())) {
 353             // An alternative approach would be to store the matching items in a QSet<int> and
 354             // select them in one go after the loop, but we'd need a new function
 355             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 356             // for that.
 357             selectionManager->setSelected(index, 1, mode);
 358         }
 359     }
 360 }
 361
 362 void DolphinView::setZoomLevel(int level)
 363 {
 364     const int oldZoomLevel = zoomLevel();
 365     m_container->setZoomLevel(level);
 366     if (zoomLevel() != oldZoomLevel) {
 367         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 368     }
 369 }
 370
 371 int DolphinView::zoomLevel() const
 372 {
 373     return m_container->zoomLevel();
 374 }
 375
 376 void DolphinView::setSorting(Sorting sorting)
 377 {
 378     if (sorting != this->sorting()) {
 379         updateSorting(sorting);
 380     }
 381 }
 382
 383 DolphinView::Sorting DolphinView::sorting() const
 384 {
 385     KItemModelBase* model = m_container->controller()->model();
 386     return sortingForSortRole(model->sortRole());
 387 }
 388
 389 void DolphinView::setSortOrder(Qt::SortOrder order)
 390 {
 391     if (sortOrder() != order) {
 392         updateSortOrder(order);
 393     }
 394 }
 395
 396 Qt::SortOrder DolphinView::sortOrder() const
 397 {
 398     KItemModelBase* model = fileItemModel();
 399     return model->sortOrder();
 400 }
 401
 402 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 403 {
 404     if (sortFoldersFirst() != foldersFirst) {
 405         updateSortFoldersFirst(foldersFirst);
 406     }
 407 }
 408
 409 bool DolphinView::sortFoldersFirst() const
 410 {
 411     KFileItemModel* model = fileItemModel();
 412     return model->sortFoldersFirst();
 413 }
 414
 415 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 416 {
 417     const QList<AdditionalInfo> previousList = info;
 418
 419     ViewProperties props(url());
 420     props.setAdditionalInfoList(info);
 421
 422     m_additionalInfoList = info;
 423     applyAdditionalInfoListToView();
 424
 425     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 426 }
 427
 428 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 429 {
 430     return m_additionalInfoList;
 431 }
 432
 433 void DolphinView::reload()
 434 {
 435     QByteArray viewState;
 436     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 437     saveState(saveStream);
 438
 439     const KFileItemList itemList = selectedItems();
 440     m_selectedUrls.clear();
 441     m_selectedUrls = itemList.urlList();
 442
 443     setUrl(url());
 444     loadDirectory(url(), true);
 445
 446     QDataStream restoreStream(viewState);
 447     restoreState(restoreStream);
 448 }
 449
 450 void DolphinView::stopLoading()
 451 {
 452     m_dirLister->stop();
 453 }
 454
 455 void DolphinView::refresh()
 456 {
 457     GeneralSettings::self()->readConfig();
 458     m_container->refresh();
 459     applyViewProperties();
 460 }
 461
 462 void DolphinView::setNameFilter(const QString& nameFilter)
 463 {
 464     fileItemModel()->setNameFilter(nameFilter);
 465 }
 466
 467 QString DolphinView::nameFilter() const
 468 {
 469     return fileItemModel()->nameFilter();
 470 }
 471
 472 void DolphinView::calculateItemCount(int& fileCount,
 473                                      int& folderCount,
 474                                      KIO::filesize_t& totalFileSize) const
 475 {
 476     foreach (const KFileItem& item, m_dirLister->items()) {
 477         if (item.isDir()) {
 478             ++folderCount;
 479         } else {
 480             ++fileCount;
 481             totalFileSize += item.size();
 482         }
 483     }
 484 }
 485
 486 QString DolphinView::statusBarText() const
 487 {
 488     QString summary;
 489     QString foldersText;
 490     QString filesText;
 491
 492     int folderCount = 0;
 493     int fileCount = 0;
 494     KIO::filesize_t totalFileSize = 0;
 495
 496     if (hasSelection()) {
 497         // Give a summary of the status of the selected files
 498         const KFileItemList list = selectedItems();
 499         foreach (const KFileItem& item, list) {
 500             if (item.isDir()) {
 501                 ++folderCount;
 502             } else {
 503                 ++fileCount;
 504                 totalFileSize += item.size();
 505             }
 506         }
 507
 508         if (folderCount + fileCount == 1) {
 509             // If only one item is selected, show the filename
 510             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 511         } else {
 512             // At least 2 items are selected
 513             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 514             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 515         }
 516     } else {
 517         calculateItemCount(fileCount, folderCount, totalFileSize);
 518         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 519         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 520     }
 521
 522     if (fileCount > 0 && folderCount > 0) {
 523         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 524                         foldersText, filesText, fileSizeText(totalFileSize));
 525     } else if (fileCount > 0) {
 526         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 527     } else if (folderCount > 0) {
 528         summary = foldersText;
 529     }
 530
 531     return summary;
 532 }
 533
 534 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 535 {
 536     QList<QAction*> actions;
 537
 538     if (items.isEmpty()) {
 539         const KFileItem item = fileItemModel()->rootItem();
 540         actions = m_versionControlObserver->actions(KFileItemList() << item);
 541     } else {
 542         actions = m_versionControlObserver->actions(items);
 543     }
 544
 545     return actions;
 546 }
 547
 548 void DolphinView::setUrl(const KUrl& url)
 549 {
 550     if (url == m_url) {
 551         return;
 552     }
 553
 554     emit urlAboutToBeChanged(url);
 555     m_url = url;
 556
 557     hideToolTip();
 558
 559     // It is important to clear the items from the model before
 560     // applying the view properties, otherwise expensive operations
 561     // might be done on the existing items although they get cleared
 562     // anyhow afterwards by loadDirectory().
 563     fileItemModel()->clear();
 564     applyViewProperties();
 565     loadDirectory(url);
 566
 567     emit urlChanged(url);
 568 }
 569
 570 void DolphinView::selectAll()
 571 {
 572     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 573     selectionManager->setSelected(0, fileItemModel()->count());
 574 }
 575
 576 void DolphinView::invertSelection()
 577 {
 578     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 579     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 580 }
 581
 582 void DolphinView::clearSelection()
 583 {
 584     m_container->controller()->selectionManager()->clearSelection();
 585 }
 586
 587 void DolphinView::renameSelectedItems()
 588 {
 589     KFileItemList items = selectedItems();
 590     const int itemCount = items.count();
 591     if (itemCount < 1) {
 592         return;
 593     }
 594
 595     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 596     // renaming yet.
 597     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 598         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 599         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 600         m_viewAccessor.itemView()->edit(proxyIndex);
 601     } else {*/
 602         RenameDialog* dialog = new RenameDialog(this, items);
 603         dialog->setAttribute(Qt::WA_DeleteOnClose);
 604         dialog->show();
 605         dialog->raise();
 606         dialog->activateWindow();
 607     //}
 608
 609     // assure that the current index remains visible when KDirLister
 610     // will notify the view about changed items
 611     m_assureVisibleCurrentIndex = true;
 612 }
 613
 614 void DolphinView::trashSelectedItems()
 615 {
 616     const KUrl::List list = simplifiedSelectedUrls();
 617     KonqOperations::del(this, KonqOperations::TRASH, list);
 618 }
 619
 620 void DolphinView::deleteSelectedItems()
 621 {
 622     const KUrl::List list = simplifiedSelectedUrls();
 623     const bool del = KonqOperations::askDeleteConfirmation(list,
 624                      KonqOperations::DEL,
 625                      KonqOperations::DEFAULT_CONFIRMATION,
 626                      this);
 627
 628     if (del) {
 629         KIO::Job* job = KIO::del(list);
 630         connect(job, SIGNAL(result(KJob*)),
 631                 this, SLOT(slotDeleteFileFinished(KJob*)));
 632     }
 633 }
 634
 635 void DolphinView::cutSelectedItems()
 636 {
 637     QMimeData* mimeData = selectionMimeData();
 638     KonqMimeData::addIsCutSelection(mimeData, true);
 639     QApplication::clipboard()->setMimeData(mimeData);
 640 }
 641
 642 void DolphinView::copySelectedItems()
 643 {
 644     QMimeData* mimeData = selectionMimeData();
 645     QApplication::clipboard()->setMimeData(mimeData);
 646 }
 647
 648 void DolphinView::paste()
 649 {
 650     pasteToUrl(url());
 651 }
 652
 653 void DolphinView::pasteIntoFolder()
 654 {
 655     const KFileItemList items = selectedItems();
 656     if ((items.count() == 1) && items.first().isDir()) {
 657         pasteToUrl(items.first().url());
 658     }
 659 }
 660
 661 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 662 {
 663     switch (event->type()) {
 664     case QEvent::FocusIn:
 665         if (watched == m_container) {
 666             setActive(true);
 667         }
 668         break;
 669
 670     default:
 671         break;
 672     }
 673
 674     return QWidget::eventFilter(watched, event);
 675 }
 676
 677 void DolphinView::wheelEvent(QWheelEvent* event)
 678 {
 679     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 680         const int numDegrees = event->delta() / 8;
 681         const int numSteps = numDegrees / 15;
 682
 683         setZoomLevel(zoomLevel() + numSteps);
 684         event->accept();
 685     } else {
 686         event->ignore();
 687     }
 688 }
 689
 690 void DolphinView::activate()
 691 {
 692     setActive(true);
 693 }
 694
 695 void DolphinView::slotItemActivated(int index)
 696 {
 697     const KFileItem item = fileItemModel()->fileItem(index);
 698     if (!item.isNull()) {
 699         emit itemActivated(item);
 700     }
 701 }
 702
 703 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 704 {
 705     Q_ASSERT(indexes.count() >= 2);
 706
 707     KFileItemList items;
 708
 709     KFileItemModel* model = fileItemModel();
 710     QSetIterator<int> it(indexes);
 711     while (it.hasNext()) {
 712         const int index = it.next();
 713         items.append(model->fileItem(index));
 714     }
 715
 716     foreach (const KFileItem& item, items) {
 717         if (item.isDir()) {
 718             emit tabRequested(item.url());
 719         } else {
 720             emit itemActivated(item);
 721         }
 722     }
 723 }
 724
 725 void DolphinView::slotItemMiddleClicked(int index)
 726 {
 727     const KFileItem item = fileItemModel()->fileItem(index);
 728     if (item.isDir() || isTabsForFilesEnabled()) {
 729         emit tabRequested(item.url());
 730     }
 731 }
 732
 733 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 734 {
 735     const KFileItem item = fileItemModel()->fileItem(index);
 736     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 737 }
 738
 739 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 740 {
 741     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 742 }
 743
 744 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 745 {
 746     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 747
 748     KItemListView* view = m_container->controller()->view();
 749     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 750
 751     // Add all roles to the menu that can be shown or hidden by the user
 752     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 753     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 754     foreach (const DolphinView::AdditionalInfo info, keys) {
 755         const QByteArray& role = infoAccessor.role(info);
 756         if (role != "name") {
 757             const QString text = fileItemModel()->roleDescription(role);
 758
 759             QAction* action = menu.data()->addAction(text);
 760             action->setCheckable(true);
 761             action->setChecked(visibleRolesSet.contains(role));
 762             action->setData(info);
 763         }
 764     }
 765
 766     QAction* action = menu.data()->exec(pos.toPoint());
 767     if (action) {
 768         // Show or hide the selected role
 769         const DolphinView::AdditionalInfo info =
 770             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 771
 772         ViewProperties props(url());
 773         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 774
 775         const QByteArray selectedRole = infoAccessor.role(info);
 776         QList<QByteArray> visibleRoles = view->visibleRoles();
 777
 778         if (action->isChecked()) {
 779             const int index = keys.indexOf(info) + 1;
 780             visibleRoles.insert(index, selectedRole);
 781             infoList.insert(index, info);
 782         } else {
 783             visibleRoles.removeOne(selectedRole);
 784             infoList.removeOne(info);
 785         }
 786
 787         view->setVisibleRoles(visibleRoles);
 788         props.setAdditionalInfoList(infoList);
 789     }
 790
 791     delete menu.data();
 792 }
 793
 794 void DolphinView::slotItemHovered(int index)
 795 {
 796     const KFileItem item = fileItemModel()->fileItem(index);
 797
 798     if (GeneralSettings::showToolTips() && QApplication::mouseButtons() == Qt::NoButton) {
 799         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 800         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 801         itemRect.moveTo(pos);
 802
 803         m_toolTipManager->showToolTip(item, itemRect);
 804     }
 805
 806     emit requestItemInfo(item);
 807 }
 808
 809 void DolphinView::slotItemUnhovered(int index)
 810 {
 811     Q_UNUSED(index);
 812     hideToolTip();
 813     emit requestItemInfo(KFileItem());
 814 }
 815
 816 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 817 {
 818     KFileItem destItem = fileItemModel()->fileItem(index);
 819     if (destItem.isNull()) {
 820         destItem = fileItemModel()->rootItem();
 821         if (destItem.isNull()) {
 822             kWarning() << "No destination item available for drop operation.";
 823             return;
 824         }
 825     }
 826
 827     QDropEvent dropEvent(event->pos().toPoint(),
 828                          event->possibleActions(),
 829                          event->mimeData(),
 830                          event->buttons(),
 831                          event->modifiers());
 832
 833     const QString error = DragAndDropHelper::dropUrls(destItem, &dropEvent);
 834     if (!error.isEmpty()) {
 835         emit errorMessage(error);
 836     }
 837 }
 838
 839 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 840 {
 841     if (previous != 0) {
 842         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 843     }
 844
 845     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 846     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 847
 848     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 849     m_versionControlObserver->setModel(fileItemModel);
 850 }
 851
 852 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 853 {
 854     const int currentCount = current.count();
 855     const int previousCount = previous.count();
 856     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 857                                        (currentCount >  0 && previousCount == 0);
 858
 859     // If nothing has been selected before and something got selected (or if something
 860     // was selected before and now nothing is selected) the selectionChangedSignal must
 861     // be emitted asynchronously as fast as possible to update the edit-actions.
 862     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 863     m_selectionChangedTimer->start();
 864 }
 865
 866 void DolphinView::emitSelectionChangedSignal()
 867 {
 868     m_selectionChangedTimer->stop();
 869     emit selectionChanged(selectedItems());
 870 }
 871
 872 void DolphinView::dropUrls(const KFileItem& destItem,
 873                            const KUrl& destPath,
 874                            QDropEvent* event)
 875 {
 876     Q_UNUSED(destItem);
 877     Q_UNUSED(destPath);
 878     markPastedUrlsAsSelected(event->mimeData());
 879     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 880 }
 881
 882 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 883 {
 884     ViewProperties props(url());
 885     props.setSorting(sorting);
 886
 887     KItemModelBase* model = m_container->controller()->model();
 888     model->setSortRole(sortRoleForSorting(sorting));
 889
 890     emit sortingChanged(sorting);
 891 }
 892
 893 void DolphinView::updateSortOrder(Qt::SortOrder order)
 894 {
 895     ViewProperties props(url());
 896     props.setSortOrder(order);
 897
 898     KItemModelBase* model = fileItemModel();
 899     model->setSortOrder(order);
 900
 901     emit sortOrderChanged(order);
 902 }
 903
 904 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 905 {
 906     ViewProperties props(url());
 907     props.setSortFoldersFirst(foldersFirst);
 908
 909     KFileItemModel* model = fileItemModel();
 910     model->setSortFoldersFirst(foldersFirst);
 911
 912     emit sortFoldersFirstChanged(foldersFirst);
 913 }
 914
 915 QPair<bool, QString> DolphinView::pasteInfo() const
 916 {
 917     return KonqOperations::pasteInfo(url());
 918 }
 919
 920 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 921 {
 922     m_tabsForFiles = tabsForFiles;
 923 }
 924
 925 bool DolphinView::isTabsForFilesEnabled() const
 926 {
 927     return m_tabsForFiles;
 928 }
 929
 930 bool DolphinView::itemsExpandable() const
 931 {
 932     return m_mode == DetailsView;
 933 }
 934
 935 void DolphinView::restoreState(QDataStream& stream)
 936 {
 937     // Restore the current item that had the keyboard focus
 938     stream >> m_currentItemUrl;
 939
 940     // Restore the view position
 941     stream >> m_restoredContentsPosition;
 942
 943     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 944     QSet<KUrl> urls;
 945     stream >> urls;
 946     fileItemModel()->restoreExpandedUrls(urls);
 947 }
 948
 949 void DolphinView::saveState(QDataStream& stream)
 950 {
 951     // Save the current item that has the keyboard focus
 952     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 953     if (currentIndex != -1) {
 954         KFileItem item = fileItemModel()->fileItem(currentIndex);
 955         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 956         KUrl currentItemUrl = item.url();
 957         stream << currentItemUrl;
 958     } else {
 959         stream << KUrl();
 960     }
 961
 962     // Save view position
 963     const qreal x = m_container->horizontalScrollBar()->value();
 964     const qreal y = m_container->verticalScrollBar()->value();
 965     stream << QPoint(x, y);
 966
 967     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 968     stream << fileItemModel()->expandedUrls();
 969 }
 970
 971 bool DolphinView::hasSelection() const
 972 {
 973     return m_container->controller()->selectionManager()->hasSelection();
 974 }
 975
 976 KFileItem DolphinView::rootItem() const
 977 {
 978     return m_dirLister->rootItem();
 979 }
 980
 981 void DolphinView::observeCreatedItem(const KUrl& url)
 982 {
 983     m_createdItemUrl = url;
 984     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 985     //        this, SLOT(selectAndScrollToCreatedItem()));
 986 }
 987
 988 void DolphinView::selectAndScrollToCreatedItem()
 989 {
 990     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 991     if (dirIndex.isValid()) {
 992         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 993         QAbstractItemView* view = m_viewAccessor.itemView();
 994         if (view) {
 995             view->setCurrentIndex(proxyIndex);
 996         }
 997     }
 998
 999     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1000                this, SLOT(selectAndScrollToCreatedItem()));*/
1001     m_createdItemUrl = KUrl();
1002 }
1003
1004 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1005 {
1006     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1007         emit redirection(oldUrl, newUrl);
1008         m_url = newUrl; // #186947
1009     }
1010 }
1011
1012 void DolphinView::updateViewState()
1013 {
1014     if (m_currentItemUrl != KUrl()) {
1015         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1016         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1017         if (currentIndex != -1) {
1018             selectionManager->setCurrentItem(currentIndex);
1019         } else {
1020             selectionManager->setCurrentItem(0);
1021         }
1022         m_currentItemUrl = KUrl();
1023     }
1024
1025     if (!m_restoredContentsPosition.isNull()) {
1026         const int x = m_restoredContentsPosition.x();
1027         const int y = m_restoredContentsPosition.y();
1028         m_restoredContentsPosition = QPoint();
1029
1030         m_container->horizontalScrollBar()->setValue(x);
1031         m_container->verticalScrollBar()->setValue(y);
1032     }
1033
1034     if (!m_selectedUrls.isEmpty()) {
1035         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1036         QSet<int> selectedItems = selectionManager->selectedItems();
1037         const KFileItemModel* model = fileItemModel();
1038
1039         foreach (const KUrl& url, m_selectedUrls) {
1040             const int index = model->index(url);
1041             if (index >= 0) {
1042                 selectedItems.insert(index);
1043             }
1044         }
1045
1046         selectionManager->setSelectedItems(selectedItems);
1047         m_selectedUrls.clear();
1048     }
1049 }
1050
1051 void DolphinView::hideToolTip()
1052 {
1053     if (GeneralSettings::showToolTips()) {
1054         m_toolTipManager->hideToolTip();
1055     }
1056 }
1057
1058 void DolphinView::showHoverInformation(const KFileItem& item)
1059 {
1060     emit requestItemInfo(item);
1061 }
1062
1063 void DolphinView::clearHoverInformation()
1064 {
1065     emit requestItemInfo(KFileItem());
1066 }
1067
1068 void DolphinView::slotDeleteFileFinished(KJob* job)
1069 {
1070     if (job->error() == 0) {
1071         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1072     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1073         emit errorMessage(job->errorString());
1074     }
1075 }
1076
1077 void DolphinView::slotDirListerStarted(const KUrl& url)
1078 {
1079     // Disable the writestate temporary until it can be determined in a fast way
1080     // in DolphinView::slotLoadingCompleted()
1081     if (m_isFolderWritable) {
1082         m_isFolderWritable = false;
1083         emit writeStateChanged(m_isFolderWritable);
1084     }
1085
1086     emit startedPathLoading(url);
1087 }
1088
1089 void DolphinView::slotLoadingCompleted()
1090 {
1091     // Update the view-state. This has to be done using a Qt::QueuedConnection
1092     // because the view might not be in its final state yet (the view also
1093     // listens to the completed()-signal from KDirLister and the order of
1094     // of slots is undefined).
1095     QTimer::singleShot(0, this, SLOT(updateViewState()));
1096
1097     emit finishedPathLoading(url());
1098
1099     updateWritableState();
1100 }
1101
1102 void DolphinView::slotRefreshItems()
1103 {
1104     if (m_assureVisibleCurrentIndex) {
1105         m_assureVisibleCurrentIndex = false;
1106         //QAbstractItemView* view = m_viewAccessor.itemView();
1107         //if (view) {
1108         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1109         //}
1110     }
1111 }
1112
1113 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1114 {
1115     Q_UNUSED(previous);
1116     Q_ASSERT(fileItemModel()->sortOrder() == current);
1117
1118     ViewProperties props(url());
1119     props.setSortOrder(current);
1120
1121     emit sortOrderChanged(current);
1122 }
1123
1124 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1125 {
1126     Q_UNUSED(previous);
1127     Q_ASSERT(fileItemModel()->sortRole() == current);
1128
1129     ViewProperties props(url());
1130     const Sorting sorting = sortingForSortRole(current);
1131     props.setSorting(sorting);
1132
1133     emit sortingChanged(sorting);
1134 }
1135
1136 KFileItemModel* DolphinView::fileItemModel() const
1137 {
1138     return static_cast<KFileItemModel*>(m_container->controller()->model());
1139 }
1140
1141 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1142 {
1143     if (!url.isValid()) {
1144         const QString location(url.pathOrUrl());
1145         if (location.isEmpty()) {
1146             emit errorMessage(i18nc("@info:status", "The location is empty."));
1147         } else {
1148             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1149         }
1150         return;
1151     }
1152
1153     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1154 }
1155
1156 void DolphinView::applyViewProperties()
1157 {
1158     m_container->beginTransaction();
1159
1160     const ViewProperties props(url());
1161     KFileItemModel* model = fileItemModel();
1162
1163     const Mode mode = props.viewMode();
1164     if (m_mode != mode) {
1165         // Prevent an animated transition of the position and size of the items when switching
1166         // the view-mode by temporary clearing the model and updating it again after the view mode
1167         // has been modified.
1168         const bool restoreModel = (model->count() > 0);
1169         if (restoreModel) {
1170             const int currentItemIndex = m_container->controller()->selectionManager()->currentItem();
1171             if (currentItemIndex >= 0) {
1172                 m_currentItemUrl = model->fileItem(currentItemIndex).url();
1173             }
1174             m_selectedUrls = selectedItems().urlList();
1175             model->clear();
1176         }
1177
1178         const Mode previousMode = m_mode;
1179         m_mode = mode;
1180
1181         // Changing the mode might result in changing
1182         // the zoom level. Remember the old zoom level so
1183         // that zoomLevelChanged() can get emitted.
1184         const int oldZoomLevel = m_container->zoomLevel();
1185
1186         switch (m_mode) {
1187         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1188         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1189         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1190         default: Q_ASSERT(false); break;
1191         }
1192
1193         emit modeChanged(m_mode, previousMode);
1194
1195         if (m_container->zoomLevel() != oldZoomLevel) {
1196             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1197         }
1198
1199         if (restoreModel) {
1200             loadDirectory(url());
1201         }
1202     }
1203
1204     const bool hiddenFilesShown = props.hiddenFilesShown();
1205     if (hiddenFilesShown != model->showHiddenFiles()) {
1206         model->setShowHiddenFiles(hiddenFilesShown);
1207         emit hiddenFilesShownChanged(hiddenFilesShown);
1208     }
1209
1210     const bool groupedSorting = props.groupedSorting();
1211     if (groupedSorting != model->groupedSorting()) {
1212         model->setGroupedSorting(groupedSorting);
1213         emit groupedSortingChanged(groupedSorting);
1214     }
1215
1216     const DolphinView::Sorting sorting = props.sorting();
1217     const QByteArray newSortRole = sortRoleForSorting(sorting);
1218     if (newSortRole != model->sortRole()) {
1219         model->setSortRole(newSortRole);
1220         emit sortingChanged(sorting);
1221     }
1222
1223     const Qt::SortOrder sortOrder = props.sortOrder();
1224     if (sortOrder != model->sortOrder()) {
1225         model->setSortOrder(sortOrder);
1226         emit sortOrderChanged(sortOrder);
1227     }
1228
1229     const bool sortFoldersFirst = props.sortFoldersFirst();
1230     if (sortFoldersFirst != model->sortFoldersFirst()) {
1231         model->setSortFoldersFirst(sortFoldersFirst);
1232         emit sortFoldersFirstChanged(sortFoldersFirst);
1233     }
1234
1235     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1236     if (infoList != m_additionalInfoList) {
1237         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1238         m_additionalInfoList = infoList;
1239         applyAdditionalInfoListToView();
1240         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1241     }
1242
1243     const bool previewsShown = props.previewsShown();
1244     if (previewsShown != m_container->previewsShown()) {
1245         const int oldZoomLevel = zoomLevel();
1246
1247         m_container->setPreviewsShown(previewsShown);
1248         emit previewsShownChanged(previewsShown);
1249
1250         // Changing the preview-state might result in a changed zoom-level
1251         if (oldZoomLevel != zoomLevel()) {
1252             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1253         }
1254     }
1255
1256     m_container->endTransaction();
1257 }
1258
1259 void DolphinView::applyAdditionalInfoListToView()
1260 {
1261     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1262
1263     QList<QByteArray> visibleRoles;
1264     visibleRoles.reserve(m_additionalInfoList.count() + 1);
1265     visibleRoles.append("name");
1266
1267     foreach (AdditionalInfo info, m_additionalInfoList) {
1268         visibleRoles.append(infoAccessor.role(info));
1269     }
1270
1271     m_container->setVisibleRoles(visibleRoles);
1272 }
1273
1274 void DolphinView::pasteToUrl(const KUrl& url)
1275 {
1276     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1277     KonqOperations::doPaste(this, url);
1278 }
1279
1280 KUrl::List DolphinView::simplifiedSelectedUrls() const
1281 {
1282     KUrl::List urls;
1283
1284     const KFileItemList items = selectedItems();
1285     foreach (const KFileItem &item, items) {
1286         urls.append(item.url());
1287     }
1288
1289     if (itemsExpandable()) {
1290         // TODO: Check if we still need KDirModel for this in KDE 5.0
1291         urls = KDirModel::simplifiedUrlList(urls);
1292     }
1293
1294     return urls;
1295 }
1296
1297 QMimeData* DolphinView::selectionMimeData() const
1298 {
1299     const KFileItemModel* model = fileItemModel();
1300     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1301     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1302
1303     return model->createMimeData(selectedIndexes);
1304 }
1305
1306 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1307 {
1308     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1309     markUrlsAsSelected(urls);
1310 }
1311
1312 void DolphinView::updateWritableState()
1313 {
1314     const bool wasFolderWritable = m_isFolderWritable;
1315     m_isFolderWritable = true;
1316
1317     const KFileItem item = m_dirLister->rootItem();
1318     if (!item.isNull()) {
1319         KFileItemListProperties capabilities(KFileItemList() << item);
1320         m_isFolderWritable = capabilities.supportsWriting();
1321     }
1322     if (m_isFolderWritable != wasFolderWritable) {
1323         emit writeStateChanged(m_isFolderWritable);
1324     }
1325 }
1326
1327 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1328 {
1329     switch (sorting) {
1330     case SortByName:        return "name";
1331     case SortBySize:        return "size";
1332     case SortByDate:        return "date";
1333     case SortByPermissions: return "permissions";
1334     case SortByOwner:       return "owner";
1335     case SortByGroup:       return "group";
1336     case SortByType:        return "type";
1337     case SortByDestination: return "destination";
1338     case SortByPath:        return "path";
1339     default: break;
1340     }
1341
1342     return QByteArray();
1343 }
1344
1345 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1346 {
1347     static QHash<QByteArray, DolphinView::Sorting> sortHash;
1348     if (sortHash.isEmpty()) {
1349         sortHash.insert("name", SortByName);
1350         sortHash.insert("size", SortBySize);
1351         sortHash.insert("date", SortByDate);
1352         sortHash.insert("permissions", SortByPermissions);
1353         sortHash.insert("owner", SortByOwner);
1354         sortHash.insert("group", SortByGroup);
1355         sortHash.insert("type", SortByType);
1356         sortHash.insert("destination", SortByDestination);
1357         sortHash.insert("path", SortByPath);
1358     }
1359     return sortHash.value(sortRole);
1360 }
1361
1362 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1363 {
1364     const KLocale* locale = KGlobal::locale();
1365     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1366                                     ? 1000 : 1024;
1367
1368     QString text;
1369     if (fileSize < multiplier) {
1370         // Show the size in bytes
1371         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1372     } else if (fileSize < multiplier * multiplier) {
1373         // Show the size in kilobytes and always round up. This is done
1374         // for consistency with the values shown e.g. in the "Size" column
1375         // of the details-view.
1376         fileSize += (multiplier / 2) - 1;
1377         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1378     } else {
1379         // Show the size in the best fitting unit having one decimal
1380         text = locale->formatByteSize(fileSize, 1);
1381     }
1382     return text;
1383 }
1384
1385 #include "dolphinview.moc"