src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QBoxLayout>
  26 #include <QClipboard>
  27 #include <QDropEvent>
  28 #include <QGraphicsSceneDragDropEvent>
  29 #include <QKeyEvent>
  30 #include <QItemSelection>
  31 #include <QTimer>
  32 #include <QScrollBar>
  33
  34 #include <KActionCollection>
  35 #include <KColorScheme>
  36 #include <KDirLister>
  37 #include <KDirModel>
  38 #include <KIconEffect>
  39 #include <KFileItem>
  40 #include <KFileItemListProperties>
  41 #include <KLocale>
  42 #include <kitemviews/kfileitemmodel.h>
  43 #include <kitemviews/kfileitemlistview.h>
  44 #include <kitemviews/kitemlistselectionmanager.h>
  45 #include <kitemviews/kitemlistview.h>
  46 #include <kitemviews/kitemlistcontroller.h>
  47 #include <KIO/DeleteJob>
  48 #include <KIO/NetAccess>
  49 #include <KIO/PreviewJob>
  50 #include <KJob>
  51 #include <KMenu>
  52 #include <KMessageBox>
  53 #include <konq_fileitemcapabilities.h>
  54 #include <konq_operations.h>
  55 #include <konqmimedata.h>
  56 #include <KToggleAction>
  57 #include <KUrl>
  58
  59 #include "additionalinfoaccessor.h"
  60 #include "dolphindirlister.h"
  61 #include "dolphinnewfilemenuobserver.h"
  62 #include "dolphin_detailsmodesettings.h"
  63 #include "dolphin_generalsettings.h"
  64 #include "dolphinitemlistcontainer.h"
  65 #include "draganddrophelper.h"
  66 #include "renamedialog.h"
  67 #include "versioncontrol/versioncontrolobserver.h"
  68 #include "viewmodecontroller.h"
  69 #include "viewproperties.h"
  70 #include "views/tooltips/tooltipmanager.h"
  71 #include "zoomlevelinfo.h"
  72
  73 namespace {
  74     const int MaxModeEnum = DolphinView::CompactView;
  75     const int MaxSortingEnum = DolphinView::SortByPath;
  76 };
  77
  78 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  79     QWidget(parent),
  80     m_active(true),
  81     m_tabsForFiles(false),
  82     m_assureVisibleCurrentIndex(false),
  83     m_isFolderWritable(true),
  84     m_url(url),
  85     m_mode(DolphinView::IconsView),
  86     m_additionalInfoList(),
  87     m_topLayout(0),
  88     m_dirLister(0),
  89     m_container(0),
  90     m_toolTipManager(0),
  91     m_selectionChangedTimer(0),
  92     m_currentItemUrl(),
  93     m_restoredContentsPosition(),
  94     m_createdItemUrl(),
  95     m_selectedUrls(),
  96     m_versionControlObserver(0)
  97 {
  98     m_topLayout = new QVBoxLayout(this);
  99     m_topLayout->setSpacing(0);
 100     m_topLayout->setMargin(0);
 101
 102     // When a new item has been created by the "Create New..." menu, the item should
 103     // get selected and it must be assured that the item will get visible. As the
 104     // creation is done asynchronously, several signals must be checked:
 105     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 106             this, SLOT(observeCreatedItem(KUrl)));
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 112             this, SLOT(emitSelectionChangedSignal()));
 113
 114     m_dirLister = new DolphinDirLister(this);
 115     m_dirLister->setAutoUpdate(true);
 116     m_dirLister->setDelayedMimeTypes(true);
 117
 118     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
 119     connect(m_dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
 120     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
 121             this, SLOT(slotRefreshItems()));
 122
 123     connect(m_dirLister, SIGNAL(clear()),                     this, SIGNAL(itemCountChanged()));
 124     connect(m_dirLister, SIGNAL(newItems(KFileItemList)),     this, SIGNAL(itemCountChanged()));
 125     connect(m_dirLister, SIGNAL(infoMessage(QString)),        this, SIGNAL(infoMessage(QString)));
 126     connect(m_dirLister, SIGNAL(errorMessage(QString)),       this, SIGNAL(infoMessage(QString)));
 127     connect(m_dirLister, SIGNAL(percent(int)),                this, SIGNAL(pathLoadingProgress(int)));
 128     connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)),        this, SIGNAL(urlIsFileError(KUrl)));
 129     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
 130
 131     m_container = new DolphinItemListContainer(m_dirLister, this);
 132     m_container->setVisibleRoles(QList<QByteArray>() << "name");
 133     m_container->installEventFilter(this);
 134     setFocusProxy(m_container);
 135     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 136     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 137
 138     KItemListController* controller = m_container->controller();
 139     controller->setSelectionBehavior(KItemListController::MultiSelection);
 140     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 141     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 142     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 143     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 144     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 145     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 146     connect(controller, SIGNAL(itemPressed(int,Qt::MouseButton)), this, SLOT(hideToolTip()));
 147     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 148     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 149     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 150     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 151
 152     KFileItemModel* model = fileItemModel();
 153     if (model) {
 154         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 155     }
 156
 157     KItemListView* view = controller->view();
 158     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 159             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 160     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 161             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 162
 163     KItemListSelectionManager* selectionManager = controller->selectionManager();
 164     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 165             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 166
 167     m_toolTipManager = new ToolTipManager(this);
 168
 169     m_versionControlObserver = new VersionControlObserver(this);
 170     m_versionControlObserver->setModel(model);
 171     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 172     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 173     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 174
 175     applyViewProperties();
 176     m_topLayout->addWidget(m_container);
 177
 178     loadDirectory(url);
 179 }
 180
 181 DolphinView::~DolphinView()
 182 {
 183 }
 184
 185 KUrl DolphinView::url() const
 186 {
 187     return m_url;
 188 }
 189
 190 void DolphinView::setActive(bool active)
 191 {
 192     if (active == m_active) {
 193         return;
 194     }
 195
 196     m_active = active;
 197
 198     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 199     if (!active) {
 200         color.setAlpha(150);
 201     }
 202
 203     QWidget* viewport = m_container->viewport();
 204     if (viewport) {
 205         QPalette palette;
 206         palette.setColor(viewport->backgroundRole(), color);
 207         viewport->setPalette(palette);
 208     }
 209
 210     update();
 211
 212     if (active) {
 213         m_container->setFocus();
 214         emit activated();
 215         emit writeStateChanged(m_isFolderWritable);
 216     }
 217 }
 218
 219 bool DolphinView::isActive() const
 220 {
 221     return m_active;
 222 }
 223
 224 void DolphinView::setMode(Mode mode)
 225 {
 226     if (mode != m_mode) {
 227         ViewProperties props(url());
 228         props.setViewMode(mode);
 229         props.save();
 230
 231         applyViewProperties();
 232     }
 233 }
 234
 235 DolphinView::Mode DolphinView::mode() const
 236 {
 237     return m_mode;
 238 }
 239
 240 void DolphinView::setPreviewsShown(bool show)
 241 {
 242     if (previewsShown() == show) {
 243         return;
 244     }
 245
 246     ViewProperties props(url());
 247     props.setPreviewsShown(show);
 248
 249     m_container->setPreviewsShown(show);
 250     emit previewsShownChanged(show);
 251 }
 252
 253 bool DolphinView::previewsShown() const
 254 {
 255     return m_container->previewsShown();
 256 }
 257
 258 void DolphinView::setHiddenFilesShown(bool show)
 259 {
 260     if (m_dirLister->showingDotFiles() == show) {
 261         return;
 262     }
 263
 264     const KFileItemList itemList = selectedItems();
 265     m_selectedUrls.clear();
 266     m_selectedUrls = itemList.urlList();
 267
 268     ViewProperties props(url());
 269     props.setHiddenFilesShown(show);
 270
 271     fileItemModel()->setShowHiddenFiles(show);
 272     emit hiddenFilesShownChanged(show);
 273 }
 274
 275 bool DolphinView::hiddenFilesShown() const
 276 {
 277     return m_dirLister->showingDotFiles();
 278 }
 279
 280 void DolphinView::setGroupedSorting(bool grouped)
 281 {
 282     if (grouped == groupedSorting()) {
 283         return;
 284     }
 285
 286     ViewProperties props(url());
 287     props.setGroupedSorting(grouped);
 288     props.save();
 289
 290     m_container->controller()->model()->setGroupedSorting(grouped);
 291
 292     emit groupedSortingChanged(grouped);
 293 }
 294
 295 bool DolphinView::groupedSorting() const
 296 {
 297     return fileItemModel()->groupedSorting();
 298 }
 299
 300 KFileItemList DolphinView::items() const
 301 {
 302     return m_dirLister->items();
 303 }
 304
 305 KFileItemList DolphinView::selectedItems() const
 306 {
 307     const KFileItemModel* model = fileItemModel();
 308     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 309     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 310
 311     KFileItemList selectedItems;
 312     QSetIterator<int> it(selectedIndexes);
 313     while (it.hasNext()) {
 314         const int index = it.next();
 315         selectedItems.append(model->fileItem(index));
 316     }
 317     return selectedItems;
 318 }
 319
 320 int DolphinView::selectedItemsCount() const
 321 {
 322     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 323     return selectionManager->selectedItems().count();
 324 }
 325
 326 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 327 {
 328     m_selectedUrls = urls;
 329 }
 330
 331 void DolphinView::markUrlAsCurrent(const KUrl& url)
 332 {
 333     m_currentItemUrl = url;
 334 }
 335
 336 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 337 {
 338     const KItemListSelectionManager::SelectionMode mode = enabled
 339                                                         ? KItemListSelectionManager::Select
 340                                                         : KItemListSelectionManager::Deselect;
 341     const KFileItemModel* model = fileItemModel();
 342     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 343
 344     for (int index = 0; index < model->count(); index++) {
 345         const KFileItem item = model->fileItem(index);
 346         if (pattern.exactMatch(item.text())) {
 347             // An alternative approach would be to store the matching items in a QSet<int> and
 348             // select them in one go after the loop, but we'd need a new function
 349             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 350             // for that.
 351             selectionManager->setSelected(index, 1, mode);
 352         }
 353     }
 354 }
 355
 356 void DolphinView::setZoomLevel(int level)
 357 {
 358     const int oldZoomLevel = zoomLevel();
 359     m_container->setZoomLevel(level);
 360     if (zoomLevel() != oldZoomLevel) {
 361         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 362     }
 363 }
 364
 365 int DolphinView::zoomLevel() const
 366 {
 367     return m_container->zoomLevel();
 368 }
 369
 370 void DolphinView::setSorting(Sorting sorting)
 371 {
 372     if (sorting != this->sorting()) {
 373         updateSorting(sorting);
 374     }
 375 }
 376
 377 DolphinView::Sorting DolphinView::sorting() const
 378 {
 379     KItemModelBase* model = m_container->controller()->model();
 380     return sortingForSortRole(model->sortRole());
 381 }
 382
 383 void DolphinView::setSortOrder(Qt::SortOrder order)
 384 {
 385     if (sortOrder() != order) {
 386         updateSortOrder(order);
 387     }
 388 }
 389
 390 Qt::SortOrder DolphinView::sortOrder() const
 391 {
 392     KItemModelBase* model = fileItemModel();
 393     return model->sortOrder();
 394 }
 395
 396 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 397 {
 398     if (sortFoldersFirst() != foldersFirst) {
 399         updateSortFoldersFirst(foldersFirst);
 400     }
 401 }
 402
 403 bool DolphinView::sortFoldersFirst() const
 404 {
 405     KFileItemModel* model = fileItemModel();
 406     return model->sortFoldersFirst();
 407 }
 408
 409 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 410 {
 411     const QList<AdditionalInfo> previousList = info;
 412
 413     ViewProperties props(url());
 414     props.setAdditionalInfoList(info);
 415
 416     m_additionalInfoList = info;
 417     applyAdditionalInfoListToView();
 418
 419     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 420 }
 421
 422 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 423 {
 424     return m_additionalInfoList;
 425 }
 426
 427 void DolphinView::reload()
 428 {
 429     QByteArray viewState;
 430     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 431     saveState(saveStream);
 432
 433     const KFileItemList itemList = selectedItems();
 434     m_selectedUrls.clear();
 435     m_selectedUrls = itemList.urlList();
 436
 437     setUrl(url());
 438     loadDirectory(url(), true);
 439
 440     QDataStream restoreStream(viewState);
 441     restoreState(restoreStream);
 442 }
 443
 444 void DolphinView::stopLoading()
 445 {
 446     m_dirLister->stop();
 447 }
 448
 449 void DolphinView::refresh()
 450 {
 451     GeneralSettings::self()->readConfig();
 452     m_container->refresh();
 453     applyViewProperties();
 454 }
 455
 456 void DolphinView::setNameFilter(const QString& nameFilter)
 457 {
 458     fileItemModel()->setNameFilter(nameFilter);
 459 }
 460
 461 QString DolphinView::nameFilter() const
 462 {
 463     return fileItemModel()->nameFilter();
 464 }
 465
 466 void DolphinView::calculateItemCount(int& fileCount,
 467                                      int& folderCount,
 468                                      KIO::filesize_t& totalFileSize) const
 469 {
 470     foreach (const KFileItem& item, m_dirLister->items()) {
 471         if (item.isDir()) {
 472             ++folderCount;
 473         } else {
 474             ++fileCount;
 475             totalFileSize += item.size();
 476         }
 477     }
 478 }
 479
 480 QString DolphinView::statusBarText() const
 481 {
 482     QString summary;
 483     QString foldersText;
 484     QString filesText;
 485
 486     int folderCount = 0;
 487     int fileCount = 0;
 488     KIO::filesize_t totalFileSize = 0;
 489
 490     if (hasSelection()) {
 491         // Give a summary of the status of the selected files
 492         const KFileItemList list = selectedItems();
 493         foreach (const KFileItem& item, list) {
 494             if (item.isDir()) {
 495                 ++folderCount;
 496             } else {
 497                 ++fileCount;
 498                 totalFileSize += item.size();
 499             }
 500         }
 501
 502         if (folderCount + fileCount == 1) {
 503             // If only one item is selected, show the filename
 504             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 505         } else {
 506             // At least 2 items are selected
 507             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 508             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 509         }
 510     } else {
 511         calculateItemCount(fileCount, folderCount, totalFileSize);
 512         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 513         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 514     }
 515
 516     if (fileCount > 0 && folderCount > 0) {
 517         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 518                         foldersText, filesText, fileSizeText(totalFileSize));
 519     } else if (fileCount > 0) {
 520         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 521     } else if (folderCount > 0) {
 522         summary = foldersText;
 523     }
 524
 525     return summary;
 526 }
 527
 528 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 529 {
 530     QList<QAction*> actions;
 531
 532     if (items.isEmpty()) {
 533         const KFileItem item = fileItemModel()->rootItem();
 534         actions = m_versionControlObserver->actions(KFileItemList() << item);
 535     } else {
 536         actions = m_versionControlObserver->actions(items);
 537     }
 538
 539     return actions;
 540 }
 541
 542 void DolphinView::setUrl(const KUrl& url)
 543 {
 544     if (url == m_url) {
 545         return;
 546     }
 547
 548     emit urlAboutToBeChanged(url);
 549     m_url = url;
 550
 551     hideToolTip();
 552
 553     // It is important to clear the items from the model before
 554     // applying the view properties, otherwise expensive operations
 555     // might be done on the existing items although they get cleared
 556     // anyhow afterwards by loadDirectory().
 557     fileItemModel()->clear();
 558     applyViewProperties();
 559     loadDirectory(url);
 560
 561     emit urlChanged(url);
 562 }
 563
 564 void DolphinView::selectAll()
 565 {
 566     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 567     selectionManager->setSelected(0, fileItemModel()->count());
 568 }
 569
 570 void DolphinView::invertSelection()
 571 {
 572     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 573     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 574 }
 575
 576 void DolphinView::clearSelection()
 577 {
 578     m_container->controller()->selectionManager()->clearSelection();
 579 }
 580
 581 void DolphinView::renameSelectedItems()
 582 {
 583     KFileItemList items = selectedItems();
 584     const int itemCount = items.count();
 585     if (itemCount < 1) {
 586         return;
 587     }
 588
 589     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 590     // renaming yet.
 591     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 592         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 593         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 594         m_viewAccessor.itemView()->edit(proxyIndex);
 595     } else {*/
 596         RenameDialog* dialog = new RenameDialog(this, items);
 597         dialog->setAttribute(Qt::WA_DeleteOnClose);
 598         dialog->show();
 599         dialog->raise();
 600         dialog->activateWindow();
 601     //}
 602
 603     // assure that the current index remains visible when KDirLister
 604     // will notify the view about changed items
 605     m_assureVisibleCurrentIndex = true;
 606 }
 607
 608 void DolphinView::trashSelectedItems()
 609 {
 610     const KUrl::List list = simplifiedSelectedUrls();
 611     KonqOperations::del(this, KonqOperations::TRASH, list);
 612 }
 613
 614 void DolphinView::deleteSelectedItems()
 615 {
 616     const KUrl::List list = simplifiedSelectedUrls();
 617     const bool del = KonqOperations::askDeleteConfirmation(list,
 618                      KonqOperations::DEL,
 619                      KonqOperations::DEFAULT_CONFIRMATION,
 620                      this);
 621
 622     if (del) {
 623         KIO::Job* job = KIO::del(list);
 624         connect(job, SIGNAL(result(KJob*)),
 625                 this, SLOT(slotDeleteFileFinished(KJob*)));
 626     }
 627 }
 628
 629 void DolphinView::cutSelectedItems()
 630 {
 631     QMimeData* mimeData = selectionMimeData();
 632     KonqMimeData::addIsCutSelection(mimeData, true);
 633     QApplication::clipboard()->setMimeData(mimeData);
 634 }
 635
 636 void DolphinView::copySelectedItems()
 637 {
 638     QMimeData* mimeData = selectionMimeData();
 639     QApplication::clipboard()->setMimeData(mimeData);
 640 }
 641
 642 void DolphinView::paste()
 643 {
 644     pasteToUrl(url());
 645 }
 646
 647 void DolphinView::pasteIntoFolder()
 648 {
 649     const KFileItemList items = selectedItems();
 650     if ((items.count() == 1) && items.first().isDir()) {
 651         pasteToUrl(items.first().url());
 652     }
 653 }
 654
 655 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 656 {
 657     switch (event->type()) {
 658     case QEvent::FocusIn:
 659         if (watched == m_container) {
 660             setActive(true);
 661         }
 662         break;
 663
 664     default:
 665         break;
 666     }
 667
 668     return QWidget::eventFilter(watched, event);
 669 }
 670
 671 void DolphinView::wheelEvent(QWheelEvent* event)
 672 {
 673     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 674         const int numDegrees = event->delta() / 8;
 675         const int numSteps = numDegrees / 15;
 676
 677         setZoomLevel(zoomLevel() + numSteps);
 678         event->accept();
 679     } else {
 680         event->ignore();
 681     }
 682 }
 683
 684 void DolphinView::activate()
 685 {
 686     setActive(true);
 687 }
 688
 689 void DolphinView::slotItemActivated(int index)
 690 {
 691     const KFileItem item = fileItemModel()->fileItem(index);
 692     if (!item.isNull()) {
 693         emit itemActivated(item);
 694     }
 695 }
 696
 697 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 698 {
 699     Q_ASSERT(indexes.count() >= 2);
 700
 701     KFileItemList items;
 702
 703     KFileItemModel* model = fileItemModel();
 704     QSetIterator<int> it(indexes);
 705     while (it.hasNext()) {
 706         const int index = it.next();
 707         items.append(model->fileItem(index));
 708     }
 709
 710     foreach (const KFileItem& item, items) {
 711         if (item.isDir()) {
 712             emit tabRequested(item.url());
 713         } else {
 714             emit itemActivated(item);
 715         }
 716     }
 717 }
 718
 719 void DolphinView::slotItemMiddleClicked(int index)
 720 {
 721     const KFileItem item = fileItemModel()->fileItem(index);
 722     if (item.isDir() || isTabsForFilesEnabled()) {
 723         emit tabRequested(item.url());
 724     }
 725 }
 726
 727 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 728 {
 729     const KFileItem item = fileItemModel()->fileItem(index);
 730     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 731 }
 732
 733 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 734 {
 735     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 736 }
 737
 738 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 739 {
 740     QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 741
 742     KItemListView* view = m_container->controller()->view();
 743     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 744
 745     // Add all roles to the menu that can be shown or hidden by the user
 746     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 747     const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
 748     foreach (const DolphinView::AdditionalInfo info, keys) {
 749         const QByteArray& role = infoAccessor.role(info);
 750         if (role != "name") {
 751             const QString text = fileItemModel()->roleDescription(role);
 752
 753             QAction* action = menu.data()->addAction(text);
 754             action->setCheckable(true);
 755             action->setChecked(visibleRolesSet.contains(role));
 756             action->setData(info);
 757         }
 758     }
 759
 760     QAction* action = menu.data()->exec(pos.toPoint());
 761     if (action) {
 762         // Show or hide the selected role
 763         const DolphinView::AdditionalInfo info =
 764             static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
 765
 766         ViewProperties props(url());
 767         QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
 768
 769         const QByteArray selectedRole = infoAccessor.role(info);
 770         QList<QByteArray> visibleRoles = view->visibleRoles();
 771
 772         if (action->isChecked()) {
 773             const int index = keys.indexOf(info) + 1;
 774             visibleRoles.insert(index, selectedRole);
 775             infoList.insert(index, info);
 776         } else {
 777             visibleRoles.removeOne(selectedRole);
 778             infoList.removeOne(info);
 779         }
 780
 781         view->setVisibleRoles(visibleRoles);
 782         props.setAdditionalInfoList(infoList);
 783     }
 784
 785     delete menu.data();
 786 }
 787
 788 void DolphinView::slotItemHovered(int index)
 789 {
 790     const KFileItem item = fileItemModel()->fileItem(index);
 791
 792     if (GeneralSettings::showToolTips() && QApplication::mouseButtons() == Qt::NoButton) {
 793         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 794         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 795         itemRect.moveTo(pos);
 796
 797         m_toolTipManager->showToolTip(item, itemRect);
 798     }
 799
 800     emit requestItemInfo(item);
 801 }
 802
 803 void DolphinView::slotItemUnhovered(int index)
 804 {
 805     Q_UNUSED(index);
 806     hideToolTip();
 807     emit requestItemInfo(KFileItem());
 808 }
 809
 810 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 811 {
 812     KFileItem destItem = fileItemModel()->fileItem(index);
 813     if (destItem.isNull()) {
 814         destItem = fileItemModel()->rootItem();
 815         if (destItem.isNull()) {
 816             kWarning() << "No destination item available for drop operation.";
 817             return;
 818         }
 819     }
 820
 821     QDropEvent dropEvent(event->pos().toPoint(),
 822                          event->possibleActions(),
 823                          event->mimeData(),
 824                          event->buttons(),
 825                          event->modifiers());
 826
 827     const QString error = DragAndDropHelper::dropUrls(destItem, &dropEvent);
 828     if (!error.isEmpty()) {
 829         emit errorMessage(error);
 830     }
 831 }
 832
 833 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 834 {
 835     if (previous != 0) {
 836         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 837     }
 838
 839     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 840     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 841
 842     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 843     m_versionControlObserver->setModel(fileItemModel);
 844 }
 845
 846 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 847 {
 848     const int currentCount = current.count();
 849     const int previousCount = previous.count();
 850     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 851                                        (currentCount >  0 && previousCount == 0);
 852
 853     // If nothing has been selected before and something got selected (or if something
 854     // was selected before and now nothing is selected) the selectionChangedSignal must
 855     // be emitted asynchronously as fast as possible to update the edit-actions.
 856     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 857     m_selectionChangedTimer->start();
 858 }
 859
 860 void DolphinView::emitSelectionChangedSignal()
 861 {
 862     m_selectionChangedTimer->stop();
 863     emit selectionChanged(selectedItems());
 864 }
 865
 866 void DolphinView::dropUrls(const KFileItem& destItem,
 867                            const KUrl& destPath,
 868                            QDropEvent* event)
 869 {
 870     Q_UNUSED(destItem);
 871     Q_UNUSED(destPath);
 872     markPastedUrlsAsSelected(event->mimeData());
 873     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 874 }
 875
 876 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 877 {
 878     ViewProperties props(url());
 879     props.setSorting(sorting);
 880
 881     KItemModelBase* model = m_container->controller()->model();
 882     model->setSortRole(sortRoleForSorting(sorting));
 883
 884     emit sortingChanged(sorting);
 885 }
 886
 887 void DolphinView::updateSortOrder(Qt::SortOrder order)
 888 {
 889     ViewProperties props(url());
 890     props.setSortOrder(order);
 891
 892     KItemModelBase* model = fileItemModel();
 893     model->setSortOrder(order);
 894
 895     emit sortOrderChanged(order);
 896 }
 897
 898 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 899 {
 900     ViewProperties props(url());
 901     props.setSortFoldersFirst(foldersFirst);
 902
 903     KFileItemModel* model = fileItemModel();
 904     model->setSortFoldersFirst(foldersFirst);
 905
 906     emit sortFoldersFirstChanged(foldersFirst);
 907 }
 908
 909 QPair<bool, QString> DolphinView::pasteInfo() const
 910 {
 911     return KonqOperations::pasteInfo(url());
 912 }
 913
 914 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 915 {
 916     m_tabsForFiles = tabsForFiles;
 917 }
 918
 919 bool DolphinView::isTabsForFilesEnabled() const
 920 {
 921     return m_tabsForFiles;
 922 }
 923
 924 bool DolphinView::itemsExpandable() const
 925 {
 926     return m_mode == DetailsView;
 927 }
 928
 929 void DolphinView::restoreState(QDataStream& stream)
 930 {
 931     // Restore the current item that had the keyboard focus
 932     stream >> m_currentItemUrl;
 933
 934     // Restore the view position
 935     stream >> m_restoredContentsPosition;
 936
 937     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 938     QSet<KUrl> urls;
 939     stream >> urls;
 940     fileItemModel()->restoreExpandedUrls(urls);
 941 }
 942
 943 void DolphinView::saveState(QDataStream& stream)
 944 {
 945     // Save the current item that has the keyboard focus
 946     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
 947     if (currentIndex != -1) {
 948         KFileItem item = fileItemModel()->fileItem(currentIndex);
 949         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
 950         KUrl currentItemUrl = item.url();
 951         stream << currentItemUrl;
 952     } else {
 953         stream << KUrl();
 954     }
 955
 956     // Save view position
 957     const qreal x = m_container->horizontalScrollBar()->value();
 958     const qreal y = m_container->verticalScrollBar()->value();
 959     stream << QPoint(x, y);
 960
 961     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 962     stream << fileItemModel()->expandedUrls();
 963 }
 964
 965 bool DolphinView::hasSelection() const
 966 {
 967     return m_container->controller()->selectionManager()->hasSelection();
 968 }
 969
 970 KFileItem DolphinView::rootItem() const
 971 {
 972     return m_dirLister->rootItem();
 973 }
 974
 975 void DolphinView::observeCreatedItem(const KUrl& url)
 976 {
 977     m_createdItemUrl = url;
 978     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 979     //        this, SLOT(selectAndScrollToCreatedItem()));
 980 }
 981
 982 void DolphinView::selectAndScrollToCreatedItem()
 983 {
 984     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 985     if (dirIndex.isValid()) {
 986         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 987         QAbstractItemView* view = m_viewAccessor.itemView();
 988         if (view) {
 989             view->setCurrentIndex(proxyIndex);
 990         }
 991     }
 992
 993     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 994                this, SLOT(selectAndScrollToCreatedItem()));*/
 995     m_createdItemUrl = KUrl();
 996 }
 997
 998 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
 999 {
1000     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1001         emit redirection(oldUrl, newUrl);
1002         m_url = newUrl; // #186947
1003     }
1004 }
1005
1006 void DolphinView::updateViewState()
1007 {
1008     if (m_currentItemUrl != KUrl()) {
1009         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1010         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1011         if (currentIndex != -1) {
1012             selectionManager->setCurrentItem(currentIndex);
1013         } else {
1014             selectionManager->setCurrentItem(0);
1015         }
1016         m_currentItemUrl = KUrl();
1017     }
1018
1019     if (!m_restoredContentsPosition.isNull()) {
1020         const int x = m_restoredContentsPosition.x();
1021         const int y = m_restoredContentsPosition.y();
1022         m_restoredContentsPosition = QPoint();
1023
1024         m_container->horizontalScrollBar()->setValue(x);
1025         m_container->verticalScrollBar()->setValue(y);
1026     }
1027
1028     if (!m_selectedUrls.isEmpty()) {
1029         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1030         QSet<int> selectedItems = selectionManager->selectedItems();
1031         const KFileItemModel* model = fileItemModel();
1032
1033         foreach (const KUrl& url, m_selectedUrls) {
1034             const int index = model->index(url);
1035             if (index >= 0) {
1036                 selectedItems.insert(index);
1037             }
1038         }
1039
1040         selectionManager->setSelectedItems(selectedItems);
1041         m_selectedUrls.clear();
1042     }
1043 }
1044
1045 void DolphinView::hideToolTip()
1046 {
1047     if (GeneralSettings::showToolTips()) {
1048         m_toolTipManager->hideToolTip();
1049     }
1050 }
1051
1052 void DolphinView::showHoverInformation(const KFileItem& item)
1053 {
1054     emit requestItemInfo(item);
1055 }
1056
1057 void DolphinView::clearHoverInformation()
1058 {
1059     emit requestItemInfo(KFileItem());
1060 }
1061
1062 void DolphinView::slotDeleteFileFinished(KJob* job)
1063 {
1064     if (job->error() == 0) {
1065         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1066     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1067         emit errorMessage(job->errorString());
1068     }
1069 }
1070
1071 void DolphinView::slotDirListerStarted(const KUrl& url)
1072 {
1073     // Disable the writestate temporary until it can be determined in a fast way
1074     // in DolphinView::slotLoadingCompleted()
1075     if (m_isFolderWritable) {
1076         m_isFolderWritable = false;
1077         emit writeStateChanged(m_isFolderWritable);
1078     }
1079
1080     emit startedPathLoading(url);
1081 }
1082
1083 void DolphinView::slotLoadingCompleted()
1084 {
1085     // Update the view-state. This has to be done using a Qt::QueuedConnection
1086     // because the view might not be in its final state yet (the view also
1087     // listens to the completed()-signal from KDirLister and the order of
1088     // of slots is undefined).
1089     QTimer::singleShot(0, this, SLOT(updateViewState()));
1090
1091     emit finishedPathLoading(url());
1092
1093     updateWritableState();
1094 }
1095
1096 void DolphinView::slotRefreshItems()
1097 {
1098     if (m_assureVisibleCurrentIndex) {
1099         m_assureVisibleCurrentIndex = false;
1100         //QAbstractItemView* view = m_viewAccessor.itemView();
1101         //if (view) {
1102         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1103         //}
1104     }
1105 }
1106
1107 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1108 {
1109     Q_UNUSED(previous);
1110     Q_ASSERT(fileItemModel()->sortOrder() == current);
1111
1112     ViewProperties props(url());
1113     props.setSortOrder(current);
1114
1115     emit sortOrderChanged(current);
1116 }
1117
1118 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1119 {
1120     Q_UNUSED(previous);
1121     Q_ASSERT(fileItemModel()->sortRole() == current);
1122
1123     ViewProperties props(url());
1124     const Sorting sorting = sortingForSortRole(current);
1125     props.setSorting(sorting);
1126
1127     emit sortingChanged(sorting);
1128 }
1129
1130 KFileItemModel* DolphinView::fileItemModel() const
1131 {
1132     return static_cast<KFileItemModel*>(m_container->controller()->model());
1133 }
1134
1135 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1136 {
1137     if (!url.isValid()) {
1138         const QString location(url.pathOrUrl());
1139         if (location.isEmpty()) {
1140             emit errorMessage(i18nc("@info:status", "The location is empty."));
1141         } else {
1142             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1143         }
1144         return;
1145     }
1146
1147     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1148 }
1149
1150 void DolphinView::applyViewProperties()
1151 {
1152     m_container->beginTransaction();
1153
1154     const ViewProperties props(url());
1155     KFileItemModel* model = fileItemModel();
1156
1157     const Mode mode = props.viewMode();
1158     if (m_mode != mode) {
1159         // Prevent an animated transition of the position and size of the items when switching
1160         // the view-mode by temporary clearing the model and updating it again after the view mode
1161         // has been modified.
1162         const bool restoreModel = (model->count() > 0);
1163         if (restoreModel) {
1164             const int currentItemIndex = m_container->controller()->selectionManager()->currentItem();
1165             if (currentItemIndex >= 0) {
1166                 m_currentItemUrl = model->fileItem(currentItemIndex).url();
1167             }
1168             m_selectedUrls = selectedItems().urlList();
1169             model->clear();
1170         }
1171
1172         const Mode previousMode = m_mode;
1173         m_mode = mode;
1174
1175         // Changing the mode might result in changing
1176         // the zoom level. Remember the old zoom level so
1177         // that zoomLevelChanged() can get emitted.
1178         const int oldZoomLevel = m_container->zoomLevel();
1179
1180         switch (m_mode) {
1181         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1182         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1183         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1184         default: Q_ASSERT(false); break;
1185         }
1186
1187         emit modeChanged(m_mode, previousMode);
1188
1189         if (m_container->zoomLevel() != oldZoomLevel) {
1190             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1191         }
1192
1193         if (restoreModel) {
1194             loadDirectory(url());
1195         }
1196     }
1197
1198     const bool hiddenFilesShown = props.hiddenFilesShown();
1199     if (hiddenFilesShown != model->showHiddenFiles()) {
1200         model->setShowHiddenFiles(hiddenFilesShown);
1201         emit hiddenFilesShownChanged(hiddenFilesShown);
1202     }
1203
1204     const bool groupedSorting = props.groupedSorting();
1205     if (groupedSorting != model->groupedSorting()) {
1206         model->setGroupedSorting(groupedSorting);
1207         emit groupedSortingChanged(groupedSorting);
1208     }
1209
1210     const DolphinView::Sorting sorting = props.sorting();
1211     const QByteArray newSortRole = sortRoleForSorting(sorting);
1212     if (newSortRole != model->sortRole()) {
1213         model->setSortRole(newSortRole);
1214         emit sortingChanged(sorting);
1215     }
1216
1217     const Qt::SortOrder sortOrder = props.sortOrder();
1218     if (sortOrder != model->sortOrder()) {
1219         model->setSortOrder(sortOrder);
1220         emit sortOrderChanged(sortOrder);
1221     }
1222
1223     const bool sortFoldersFirst = props.sortFoldersFirst();
1224     if (sortFoldersFirst != model->sortFoldersFirst()) {
1225         model->setSortFoldersFirst(sortFoldersFirst);
1226         emit sortFoldersFirstChanged(sortFoldersFirst);
1227     }
1228
1229     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1230     if (infoList != m_additionalInfoList) {
1231         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1232         m_additionalInfoList = infoList;
1233         applyAdditionalInfoListToView();
1234         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1235     }
1236
1237     const bool previewsShown = props.previewsShown();
1238     if (previewsShown != m_container->previewsShown()) {
1239         const int oldZoomLevel = zoomLevel();
1240
1241         m_container->setPreviewsShown(previewsShown);
1242         emit previewsShownChanged(previewsShown);
1243
1244         // Changing the preview-state might result in a changed zoom-level
1245         if (oldZoomLevel != zoomLevel()) {
1246             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1247         }
1248     }
1249
1250     m_container->endTransaction();
1251 }
1252
1253 void DolphinView::applyAdditionalInfoListToView()
1254 {
1255     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1256
1257     QList<QByteArray> visibleRoles;
1258     visibleRoles.reserve(m_additionalInfoList.count() + 1);
1259     visibleRoles.append("name");
1260
1261     foreach (AdditionalInfo info, m_additionalInfoList) {
1262         visibleRoles.append(infoAccessor.role(info));
1263     }
1264
1265     m_container->setVisibleRoles(visibleRoles);
1266 }
1267
1268 void DolphinView::pasteToUrl(const KUrl& url)
1269 {
1270     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1271     KonqOperations::doPaste(this, url);
1272 }
1273
1274 KUrl::List DolphinView::simplifiedSelectedUrls() const
1275 {
1276     KUrl::List urls;
1277
1278     const KFileItemList items = selectedItems();
1279     foreach (const KFileItem &item, items) {
1280         urls.append(item.url());
1281     }
1282
1283     if (itemsExpandable()) {
1284         // TODO: Check if we still need KDirModel for this in KDE 5.0
1285         urls = KDirModel::simplifiedUrlList(urls);
1286     }
1287
1288     return urls;
1289 }
1290
1291 QMimeData* DolphinView::selectionMimeData() const
1292 {
1293     const KFileItemModel* model = fileItemModel();
1294     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1295     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1296
1297     return model->createMimeData(selectedIndexes);
1298 }
1299
1300 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1301 {
1302     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1303     markUrlsAsSelected(urls);
1304 }
1305
1306 void DolphinView::updateWritableState()
1307 {
1308     const bool wasFolderWritable = m_isFolderWritable;
1309     m_isFolderWritable = true;
1310
1311     const KFileItem item = m_dirLister->rootItem();
1312     if (!item.isNull()) {
1313         KFileItemListProperties capabilities(KFileItemList() << item);
1314         m_isFolderWritable = capabilities.supportsWriting();
1315     }
1316     if (m_isFolderWritable != wasFolderWritable) {
1317         emit writeStateChanged(m_isFolderWritable);
1318     }
1319 }
1320
1321 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1322 {
1323     switch (sorting) {
1324     case SortByName:        return "name";
1325     case SortBySize:        return "size";
1326     case SortByDate:        return "date";
1327     case SortByPermissions: return "permissions";
1328     case SortByOwner:       return "owner";
1329     case SortByGroup:       return "group";
1330     case SortByType:        return "type";
1331     case SortByDestination: return "destination";
1332     case SortByPath:        return "path";
1333     default: break;
1334     }
1335
1336     return QByteArray();
1337 }
1338
1339 DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
1340 {
1341     static QHash<QByteArray, DolphinView::Sorting> sortHash;
1342     if (sortHash.isEmpty()) {
1343         sortHash.insert("name", SortByName);
1344         sortHash.insert("size", SortBySize);
1345         sortHash.insert("date", SortByDate);
1346         sortHash.insert("permissions", SortByPermissions);
1347         sortHash.insert("owner", SortByOwner);
1348         sortHash.insert("group", SortByGroup);
1349         sortHash.insert("type", SortByType);
1350         sortHash.insert("destination", SortByDestination);
1351         sortHash.insert("path", SortByPath);
1352     }
1353     return sortHash.value(sortRole);
1354 }
1355
1356 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1357 {
1358     const KLocale* locale = KGlobal::locale();
1359     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1360                                     ? 1000 : 1024;
1361
1362     QString text;
1363     if (fileSize < multiplier) {
1364         // Show the size in bytes
1365         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1366     } else if (fileSize < multiplier * multiplier) {
1367         // Show the size in kilobytes and always round up. This is done
1368         // for consistency with the values shown e.g. in the "Size" column
1369         // of the details-view.
1370         fileSize += (multiplier / 2) - 1;
1371         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1372     } else {
1373         // Show the size in the best fitting unit having one decimal
1374         text = locale->formatByteSize(fileSize, 1);
1375     }
1376     return text;
1377 }
1378
1379 #include "dolphinview.moc"