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/kitemlistheader.h>
  45 #include <kitemviews/kitemlistselectionmanager.h>
  46 #include <kitemviews/kitemlistview.h>
  47 #include <kitemviews/kitemlistcontroller.h>
  48 #include <KIO/DeleteJob>
  49 #include <KIO/NetAccess>
  50 #include <KIO/PreviewJob>
  51 #include <KJob>
  52 #include <KMenu>
  53 #include <KMessageBox>
  54 #include <konq_fileitemcapabilities.h>
  55 #include <konq_operations.h>
  56 #include <konqmimedata.h>
  57 #include <KToggleAction>
  58 #include <KUrl>
  59
  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 };
  76
  77 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  78     QWidget(parent),
  79     m_active(true),
  80     m_tabsForFiles(false),
  81     m_assureVisibleCurrentIndex(false),
  82     m_isFolderWritable(true),
  83     m_dragging(false),
  84     m_url(url),
  85     m_mode(DolphinView::IconsView),
  86     m_visibleRoles(),
  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(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 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     view->installEventFilter(this);
 159     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 160             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 161     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 162             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 163     connect(view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 164             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 165     connect(view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 166             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 167
 168     KItemListSelectionManager* selectionManager = controller->selectionManager();
 169     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 170             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 171
 172     m_toolTipManager = new ToolTipManager(this);
 173
 174     m_versionControlObserver = new VersionControlObserver(this);
 175     m_versionControlObserver->setModel(model);
 176     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 177     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 178     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 179
 180     applyViewProperties();
 181     m_topLayout->addWidget(m_container);
 182
 183     loadDirectory(url);
 184 }
 185
 186 DolphinView::~DolphinView()
 187 {
 188 }
 189
 190 KUrl DolphinView::url() const
 191 {
 192     return m_url;
 193 }
 194
 195 void DolphinView::setActive(bool active)
 196 {
 197     if (active == m_active) {
 198         return;
 199     }
 200
 201     m_active = active;
 202
 203     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 204     if (!active) {
 205         color.setAlpha(150);
 206     }
 207
 208     QWidget* viewport = m_container->viewport();
 209     if (viewport) {
 210         QPalette palette;
 211         palette.setColor(viewport->backgroundRole(), color);
 212         viewport->setPalette(palette);
 213     }
 214
 215     update();
 216
 217     if (active) {
 218         m_container->setFocus();
 219         emit activated();
 220         emit writeStateChanged(m_isFolderWritable);
 221     }
 222 }
 223
 224 bool DolphinView::isActive() const
 225 {
 226     return m_active;
 227 }
 228
 229 void DolphinView::setMode(Mode mode)
 230 {
 231     if (mode != m_mode) {
 232         ViewProperties props(url());
 233         props.setViewMode(mode);
 234         props.save();
 235
 236         applyViewProperties();
 237     }
 238 }
 239
 240 DolphinView::Mode DolphinView::mode() const
 241 {
 242     return m_mode;
 243 }
 244
 245 void DolphinView::setPreviewsShown(bool show)
 246 {
 247     if (previewsShown() == show) {
 248         return;
 249     }
 250
 251     ViewProperties props(url());
 252     props.setPreviewsShown(show);
 253
 254     m_container->setPreviewsShown(show);
 255     emit previewsShownChanged(show);
 256 }
 257
 258 bool DolphinView::previewsShown() const
 259 {
 260     return m_container->previewsShown();
 261 }
 262
 263 void DolphinView::setHiddenFilesShown(bool show)
 264 {
 265     if (m_dirLister->showingDotFiles() == show) {
 266         return;
 267     }
 268
 269     const KFileItemList itemList = selectedItems();
 270     m_selectedUrls.clear();
 271     m_selectedUrls = itemList.urlList();
 272
 273     ViewProperties props(url());
 274     props.setHiddenFilesShown(show);
 275
 276     fileItemModel()->setShowHiddenFiles(show);
 277     emit hiddenFilesShownChanged(show);
 278 }
 279
 280 bool DolphinView::hiddenFilesShown() const
 281 {
 282     return m_dirLister->showingDotFiles();
 283 }
 284
 285 void DolphinView::setGroupedSorting(bool grouped)
 286 {
 287     if (grouped == groupedSorting()) {
 288         return;
 289     }
 290
 291     ViewProperties props(url());
 292     props.setGroupedSorting(grouped);
 293     props.save();
 294
 295     m_container->controller()->model()->setGroupedSorting(grouped);
 296
 297     emit groupedSortingChanged(grouped);
 298 }
 299
 300 bool DolphinView::groupedSorting() const
 301 {
 302     return fileItemModel()->groupedSorting();
 303 }
 304
 305 KFileItemList DolphinView::items() const
 306 {
 307     return m_dirLister->items();
 308 }
 309
 310 KFileItemList DolphinView::selectedItems() const
 311 {
 312     const KFileItemModel* model = fileItemModel();
 313     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 314     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 315
 316     KFileItemList selectedItems;
 317     QSetIterator<int> it(selectedIndexes);
 318     while (it.hasNext()) {
 319         const int index = it.next();
 320         selectedItems.append(model->fileItem(index));
 321     }
 322     return selectedItems;
 323 }
 324
 325 int DolphinView::selectedItemsCount() const
 326 {
 327     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 328     return selectionManager->selectedItems().count();
 329 }
 330
 331 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 332 {
 333     m_selectedUrls = urls;
 334 }
 335
 336 void DolphinView::markUrlAsCurrent(const KUrl& url)
 337 {
 338     m_currentItemUrl = url;
 339 }
 340
 341 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 342 {
 343     const KItemListSelectionManager::SelectionMode mode = enabled
 344                                                         ? KItemListSelectionManager::Select
 345                                                         : KItemListSelectionManager::Deselect;
 346     const KFileItemModel* model = fileItemModel();
 347     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 348
 349     for (int index = 0; index < model->count(); index++) {
 350         const KFileItem item = model->fileItem(index);
 351         if (pattern.exactMatch(item.text())) {
 352             // An alternative approach would be to store the matching items in a QSet<int> and
 353             // select them in one go after the loop, but we'd need a new function
 354             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 355             // for that.
 356             selectionManager->setSelected(index, 1, mode);
 357         }
 358     }
 359 }
 360
 361 void DolphinView::setZoomLevel(int level)
 362 {
 363     const int oldZoomLevel = zoomLevel();
 364     m_container->setZoomLevel(level);
 365     if (zoomLevel() != oldZoomLevel) {
 366         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 367     }
 368 }
 369
 370 int DolphinView::zoomLevel() const
 371 {
 372     return m_container->zoomLevel();
 373 }
 374
 375 void DolphinView::setSortRole(const QByteArray& role)
 376 {
 377     if (role != sortRole()) {
 378         updateSortRole(role);
 379     }
 380 }
 381
 382 QByteArray DolphinView::sortRole() const
 383 {
 384     const KItemModelBase* model = m_container->controller()->model();
 385     return model->sortRole();
 386 }
 387
 388 void DolphinView::setSortOrder(Qt::SortOrder order)
 389 {
 390     if (sortOrder() != order) {
 391         updateSortOrder(order);
 392     }
 393 }
 394
 395 Qt::SortOrder DolphinView::sortOrder() const
 396 {
 397     KItemModelBase* model = fileItemModel();
 398     return model->sortOrder();
 399 }
 400
 401 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 402 {
 403     if (sortFoldersFirst() != foldersFirst) {
 404         updateSortFoldersFirst(foldersFirst);
 405     }
 406 }
 407
 408 bool DolphinView::sortFoldersFirst() const
 409 {
 410     KFileItemModel* model = fileItemModel();
 411     return model->sortFoldersFirst();
 412 }
 413
 414 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 415 {
 416     const QList<QByteArray> previousRoles = roles;
 417
 418     ViewProperties props(url());
 419     props.setVisibleRoles(roles);
 420
 421     m_visibleRoles = roles;
 422     m_container->setVisibleRoles(roles);
 423
 424     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 425 }
 426
 427 QList<QByteArray> DolphinView::visibleRoles() const
 428 {
 429     return m_visibleRoles;
 430 }
 431
 432 void DolphinView::reload()
 433 {
 434     QByteArray viewState;
 435     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 436     saveState(saveStream);
 437
 438     const KFileItemList itemList = selectedItems();
 439     m_selectedUrls.clear();
 440     m_selectedUrls = itemList.urlList();
 441
 442     setUrl(url());
 443     loadDirectory(url(), true);
 444
 445     QDataStream restoreStream(viewState);
 446     restoreState(restoreStream);
 447 }
 448
 449 void DolphinView::stopLoading()
 450 {
 451     m_dirLister->stop();
 452 }
 453
 454 void DolphinView::readSettings()
 455 {
 456     const int oldZoomLevel = m_container->zoomLevel();
 457
 458     GeneralSettings::self()->readConfig();
 459     m_container->readSettings();
 460     applyViewProperties();
 461
 462     const int newZoomLevel = m_container->zoomLevel();
 463     if (newZoomLevel != oldZoomLevel) {
 464         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 465     }
 466 }
 467
 468 void DolphinView::writeSettings()
 469 {
 470     GeneralSettings::self()->writeConfig();
 471     m_container->writeSettings();
 472 }
 473
 474 void DolphinView::setNameFilter(const QString& nameFilter)
 475 {
 476     fileItemModel()->setNameFilter(nameFilter);
 477 }
 478
 479 QString DolphinView::nameFilter() const
 480 {
 481     return fileItemModel()->nameFilter();
 482 }
 483
 484 void DolphinView::calculateItemCount(int& fileCount,
 485                                      int& folderCount,
 486                                      KIO::filesize_t& totalFileSize) const
 487 {
 488     foreach (const KFileItem& item, m_dirLister->items()) {
 489         if (item.isDir()) {
 490             ++folderCount;
 491         } else {
 492             ++fileCount;
 493             totalFileSize += item.size();
 494         }
 495     }
 496 }
 497
 498 QString DolphinView::statusBarText() const
 499 {
 500     QString summary;
 501     QString foldersText;
 502     QString filesText;
 503
 504     int folderCount = 0;
 505     int fileCount = 0;
 506     KIO::filesize_t totalFileSize = 0;
 507
 508     if (hasSelection()) {
 509         // Give a summary of the status of the selected files
 510         const KFileItemList list = selectedItems();
 511         foreach (const KFileItem& item, list) {
 512             if (item.isDir()) {
 513                 ++folderCount;
 514             } else {
 515                 ++fileCount;
 516                 totalFileSize += item.size();
 517             }
 518         }
 519
 520         if (folderCount + fileCount == 1) {
 521             // If only one item is selected, show the filename
 522             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 523         } else {
 524             // At least 2 items are selected
 525             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 526             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 527         }
 528     } else {
 529         calculateItemCount(fileCount, folderCount, totalFileSize);
 530         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 531         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 532     }
 533
 534     if (fileCount > 0 && folderCount > 0) {
 535         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 536                         foldersText, filesText, fileSizeText(totalFileSize));
 537     } else if (fileCount > 0) {
 538         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
 539     } else if (folderCount > 0) {
 540         summary = foldersText;
 541     }
 542
 543     return summary;
 544 }
 545
 546 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 547 {
 548     QList<QAction*> actions;
 549
 550     if (items.isEmpty()) {
 551         const KFileItem item = fileItemModel()->rootItem();
 552         actions = m_versionControlObserver->actions(KFileItemList() << item);
 553     } else {
 554         actions = m_versionControlObserver->actions(items);
 555     }
 556
 557     return actions;
 558 }
 559
 560 void DolphinView::setUrl(const KUrl& url)
 561 {
 562     if (url == m_url) {
 563         return;
 564     }
 565
 566     emit urlAboutToBeChanged(url);
 567     m_url = url;
 568
 569     hideToolTip();
 570
 571     // It is important to clear the items from the model before
 572     // applying the view properties, otherwise expensive operations
 573     // might be done on the existing items although they get cleared
 574     // anyhow afterwards by loadDirectory().
 575     fileItemModel()->clear();
 576     applyViewProperties();
 577     loadDirectory(url);
 578
 579     emit urlChanged(url);
 580 }
 581
 582 void DolphinView::selectAll()
 583 {
 584     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 585     selectionManager->setSelected(0, fileItemModel()->count());
 586 }
 587
 588 void DolphinView::invertSelection()
 589 {
 590     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 591     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 592 }
 593
 594 void DolphinView::clearSelection()
 595 {
 596     m_container->controller()->selectionManager()->clearSelection();
 597 }
 598
 599 void DolphinView::renameSelectedItems()
 600 {
 601     KFileItemList items = selectedItems();
 602     const int itemCount = items.count();
 603     if (itemCount < 1) {
 604         return;
 605     }
 606
 607     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 608     // renaming yet.
 609     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 610         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 611         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 612         m_viewAccessor.itemView()->edit(proxyIndex);
 613     } else {*/
 614         RenameDialog* dialog = new RenameDialog(this, items);
 615         dialog->setAttribute(Qt::WA_DeleteOnClose);
 616         dialog->show();
 617         dialog->raise();
 618         dialog->activateWindow();
 619     //}
 620
 621     // assure that the current index remains visible when KDirLister
 622     // will notify the view about changed items
 623     m_assureVisibleCurrentIndex = true;
 624 }
 625
 626 void DolphinView::trashSelectedItems()
 627 {
 628     const KUrl::List list = simplifiedSelectedUrls();
 629     KonqOperations::del(this, KonqOperations::TRASH, list);
 630 }
 631
 632 void DolphinView::deleteSelectedItems()
 633 {
 634     const KUrl::List list = simplifiedSelectedUrls();
 635     const bool del = KonqOperations::askDeleteConfirmation(list,
 636                      KonqOperations::DEL,
 637                      KonqOperations::DEFAULT_CONFIRMATION,
 638                      this);
 639
 640     if (del) {
 641         KIO::Job* job = KIO::del(list);
 642         connect(job, SIGNAL(result(KJob*)),
 643                 this, SLOT(slotDeleteFileFinished(KJob*)));
 644     }
 645 }
 646
 647 void DolphinView::cutSelectedItems()
 648 {
 649     QMimeData* mimeData = selectionMimeData();
 650     KonqMimeData::addIsCutSelection(mimeData, true);
 651     QApplication::clipboard()->setMimeData(mimeData);
 652 }
 653
 654 void DolphinView::copySelectedItems()
 655 {
 656     QMimeData* mimeData = selectionMimeData();
 657     QApplication::clipboard()->setMimeData(mimeData);
 658 }
 659
 660 void DolphinView::paste()
 661 {
 662     pasteToUrl(url());
 663 }
 664
 665 void DolphinView::pasteIntoFolder()
 666 {
 667     const KFileItemList items = selectedItems();
 668     if ((items.count() == 1) && items.first().isDir()) {
 669         pasteToUrl(items.first().url());
 670     }
 671 }
 672
 673 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 674 {
 675     switch (event->type()) {
 676     case QEvent::FocusIn:
 677         if (watched == m_container) {
 678             setActive(true);
 679         }
 680         break;
 681
 682     case QEvent::GraphicsSceneDragEnter:
 683         if (watched == m_container->controller()->view()) {
 684             m_dragging = true;
 685         }
 686         break;
 687
 688     case QEvent::GraphicsSceneDragLeave:
 689         if (watched == m_container->controller()->view()) {
 690             m_dragging = false;
 691         }
 692         break;
 693
 694     case QEvent::GraphicsSceneDrop:
 695         if (watched == m_container->controller()->view()) {
 696             m_dragging = false;
 697         }
 698     default:
 699         break;
 700     }
 701
 702     return QWidget::eventFilter(watched, event);
 703 }
 704
 705 void DolphinView::wheelEvent(QWheelEvent* event)
 706 {
 707     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 708         const int numDegrees = event->delta() / 8;
 709         const int numSteps = numDegrees / 15;
 710
 711         setZoomLevel(zoomLevel() + numSteps);
 712         event->accept();
 713     } else {
 714         event->ignore();
 715     }
 716 }
 717
 718 void DolphinView::hideEvent(QHideEvent* event)
 719 {
 720     hideToolTip();
 721     QWidget::hideEvent(event);
 722 }
 723
 724 void DolphinView::activate()
 725 {
 726     setActive(true);
 727 }
 728
 729 void DolphinView::slotItemActivated(int index)
 730 {
 731     const KFileItem item = fileItemModel()->fileItem(index);
 732     if (!item.isNull()) {
 733         emit itemActivated(item);
 734     }
 735 }
 736
 737 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 738 {
 739     Q_ASSERT(indexes.count() >= 2);
 740
 741     KFileItemList items;
 742
 743     KFileItemModel* model = fileItemModel();
 744     QSetIterator<int> it(indexes);
 745     while (it.hasNext()) {
 746         const int index = it.next();
 747         items.append(model->fileItem(index));
 748     }
 749
 750     foreach (const KFileItem& item, items) {
 751         if (item.isDir()) {
 752             emit tabRequested(item.url());
 753         } else {
 754             emit itemActivated(item);
 755         }
 756     }
 757 }
 758
 759 void DolphinView::slotItemMiddleClicked(int index)
 760 {
 761     const KFileItem item = fileItemModel()->fileItem(index);
 762     if (item.isDir() || isTabsForFilesEnabled()) {
 763         emit tabRequested(item.url());
 764     }
 765 }
 766
 767 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 768 {
 769     const KFileItem item = fileItemModel()->fileItem(index);
 770     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 771 }
 772
 773 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 774 {
 775     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 776 }
 777
 778 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 779 {
 780     ViewProperties props(url());
 781
 782     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 783
 784     KItemListView* view = m_container->controller()->view();
 785     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 786
 787     QString groupName;
 788     QMenu* groupMenu = 0;
 789
 790     // Add all roles to the menu that can be shown or hidden by the user
 791     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 792     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 793         if (info.role == "name") {
 794             // It should not be possible to hide the "name" role
 795             continue;
 796         }
 797
 798         const QString text = fileItemModel()->roleDescription(info.role);
 799         QAction* action = 0;
 800         if (info.group.isEmpty()) {
 801             action = menu->addAction(text);
 802         } else {
 803             if (!groupMenu || info.group != groupName) {
 804                 groupName = info.group;
 805                 groupMenu = menu->addMenu(groupName);
 806             }
 807
 808             action = groupMenu->addAction(text);
 809         }
 810
 811         action->setCheckable(true);
 812         action->setChecked(visibleRolesSet.contains(info.role));
 813         action->setData(info.role);
 814     }
 815
 816     menu->addSeparator();
 817
 818     QActionGroup* widthsGroup = new QActionGroup(menu);
 819     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 820
 821     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 822     autoAdjustWidthsAction->setCheckable(true);
 823     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 824     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 825
 826     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 827     customWidthsAction->setCheckable(true);
 828     customWidthsAction->setChecked(!autoColumnWidths);
 829     customWidthsAction->setActionGroup(widthsGroup);
 830
 831     QAction* action = menu->exec(pos.toPoint());
 832     if (menu && action) {
 833         KItemListHeader* header = view->header();
 834
 835         if (action == autoAdjustWidthsAction) {
 836             // Clear the column-widths from the viewproperties and turn on
 837             // the automatic resizing of the columns
 838             props.setHeaderColumnWidths(QList<int>());
 839             header->setAutomaticColumnResizing(true);
 840         } else if (action == customWidthsAction) {
 841             // Apply the current column-widths as custom column-widths and turn
 842             // off the automatic resizing of the columns
 843             QList<int> columnWidths;
 844             foreach (const QByteArray& role, view->visibleRoles()) {
 845                 columnWidths.append(header->columnWidth(role));
 846             }
 847             props.setHeaderColumnWidths(columnWidths);
 848             header->setAutomaticColumnResizing(false);
 849         } else {
 850             // Show or hide the selected role
 851             const QByteArray selectedRole = action->data().toByteArray();
 852
 853             QList<QByteArray> visibleRoles = view->visibleRoles();
 854             if (action->isChecked()) {
 855                 visibleRoles.append(selectedRole);
 856             } else {
 857                 visibleRoles.removeOne(selectedRole);
 858             }
 859
 860             view->setVisibleRoles(visibleRoles);
 861             props.setVisibleRoles(visibleRoles);
 862
 863             QList<int> columnWidths;
 864             foreach (const QByteArray& role, view->visibleRoles()) {
 865                 columnWidths.append(header->columnWidth(role));
 866             }
 867             props.setHeaderColumnWidths(columnWidths);
 868         }
 869     }
 870
 871     delete menu;
 872 }
 873
 874 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 875 {
 876     Q_UNUSED(previous);
 877
 878     const QList<QByteArray> visibleRoles = m_container->visibleRoles();
 879
 880     ViewProperties props(url());
 881     QList<int> columnWidths = props.headerColumnWidths();
 882     if (columnWidths.count() != visibleRoles.count()) {
 883         columnWidths.clear();
 884         columnWidths.reserve(visibleRoles.count());
 885         const KItemListHeader* header = m_container->controller()->view()->header();
 886         foreach (const QByteArray& role, visibleRoles) {
 887             const int width = header->columnWidth(role);
 888             columnWidths.append(width);
 889         }
 890     }
 891
 892     const int roleIndex = visibleRoles.indexOf(role);
 893     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 894     columnWidths[roleIndex] = current;
 895
 896     props.setHeaderColumnWidths(columnWidths);
 897 }
 898
 899 void DolphinView::slotItemHovered(int index)
 900 {
 901     const KFileItem item = fileItemModel()->fileItem(index);
 902
 903     if (GeneralSettings::showToolTips() && !m_dragging) {
 904         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 905         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 906         itemRect.moveTo(pos);
 907
 908         m_toolTipManager->showToolTip(item, itemRect);
 909     }
 910
 911     emit requestItemInfo(item);
 912 }
 913
 914 void DolphinView::slotItemUnhovered(int index)
 915 {
 916     Q_UNUSED(index);
 917     hideToolTip();
 918     emit requestItemInfo(KFileItem());
 919 }
 920
 921 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 922 {
 923     KUrl destUrl;
 924     KFileItem destItem = fileItemModel()->fileItem(index);
 925     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
 926         // Use the URL of the view as drop target if the item is no directory
 927         // or desktop-file
 928         destItem = fileItemModel()->rootItem();
 929         destUrl = url();
 930     } else {
 931         // The item represents a directory or desktop-file
 932         destUrl = destItem.url();
 933     }
 934
 935     QDropEvent dropEvent(event->pos().toPoint(),
 936                          event->possibleActions(),
 937                          event->mimeData(),
 938                          event->buttons(),
 939                          event->modifiers());
 940
 941     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
 942     if (!error.isEmpty()) {
 943         emit errorMessage(error);
 944     }
 945
 946     if (destUrl == url()) {
 947         // Mark the dropped urls as selected.
 948         markPastedUrlsAsSelected(event->mimeData());
 949     }
 950 }
 951
 952 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 953 {
 954     if (previous != 0) {
 955         disconnect(previous, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 956     }
 957
 958     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 959     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 960
 961     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 962     m_versionControlObserver->setModel(fileItemModel);
 963 }
 964
 965 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
 966 {
 967     hideToolTip();
 968
 969     if (itemIndex < 0) {
 970         // Trigger the history navigation only when clicking on the viewport:
 971         // Above an item the XButtons provide a simple way to select items in
 972         // the singleClick mode.
 973         if (buttons & Qt::XButton1) {
 974             emit goBackRequested();
 975         } else if (buttons & Qt::XButton2) {
 976             emit goForwardRequested();
 977         }
 978     }
 979 }
 980
 981 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 982 {
 983     const int currentCount = current.count();
 984     const int previousCount = previous.count();
 985     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 986                                        (currentCount >  0 && previousCount == 0);
 987
 988     // If nothing has been selected before and something got selected (or if something
 989     // was selected before and now nothing is selected) the selectionChangedSignal must
 990     // be emitted asynchronously as fast as possible to update the edit-actions.
 991     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 992     m_selectionChangedTimer->start();
 993 }
 994
 995 void DolphinView::emitSelectionChangedSignal()
 996 {
 997     m_selectionChangedTimer->stop();
 998     emit selectionChanged(selectedItems());
 999 }
1000
1001 void DolphinView::updateSortRole(const QByteArray& role)
1002 {
1003     ViewProperties props(url());
1004     props.setSortRole(role);
1005
1006     KItemModelBase* model = m_container->controller()->model();
1007     model->setSortRole(role);
1008
1009     emit sortRoleChanged(role);
1010 }
1011
1012 void DolphinView::updateSortOrder(Qt::SortOrder order)
1013 {
1014     ViewProperties props(url());
1015     props.setSortOrder(order);
1016
1017     KItemModelBase* model = fileItemModel();
1018     model->setSortOrder(order);
1019
1020     emit sortOrderChanged(order);
1021 }
1022
1023 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1024 {
1025     ViewProperties props(url());
1026     props.setSortFoldersFirst(foldersFirst);
1027
1028     KFileItemModel* model = fileItemModel();
1029     model->setSortFoldersFirst(foldersFirst);
1030
1031     emit sortFoldersFirstChanged(foldersFirst);
1032 }
1033
1034 QPair<bool, QString> DolphinView::pasteInfo() const
1035 {
1036     return KonqOperations::pasteInfo(url());
1037 }
1038
1039 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1040 {
1041     m_tabsForFiles = tabsForFiles;
1042 }
1043
1044 bool DolphinView::isTabsForFilesEnabled() const
1045 {
1046     return m_tabsForFiles;
1047 }
1048
1049 bool DolphinView::itemsExpandable() const
1050 {
1051     return m_mode == DetailsView;
1052 }
1053
1054 void DolphinView::restoreState(QDataStream& stream)
1055 {
1056     // Restore the current item that had the keyboard focus
1057     stream >> m_currentItemUrl;
1058
1059     // Restore the view position
1060     stream >> m_restoredContentsPosition;
1061
1062     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1063     QSet<KUrl> urls;
1064     stream >> urls;
1065     fileItemModel()->restoreExpandedUrls(urls);
1066 }
1067
1068 void DolphinView::saveState(QDataStream& stream)
1069 {
1070     // Save the current item that has the keyboard focus
1071     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1072     if (currentIndex != -1) {
1073         KFileItem item = fileItemModel()->fileItem(currentIndex);
1074         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1075         KUrl currentItemUrl = item.url();
1076         stream << currentItemUrl;
1077     } else {
1078         stream << KUrl();
1079     }
1080
1081     // Save view position
1082     const qreal x = m_container->horizontalScrollBar()->value();
1083     const qreal y = m_container->verticalScrollBar()->value();
1084     stream << QPoint(x, y);
1085
1086     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1087     stream << fileItemModel()->expandedUrls();
1088 }
1089
1090 bool DolphinView::hasSelection() const
1091 {
1092     return m_container->controller()->selectionManager()->hasSelection();
1093 }
1094
1095 KFileItem DolphinView::rootItem() const
1096 {
1097     return m_dirLister->rootItem();
1098 }
1099
1100 void DolphinView::observeCreatedItem(const KUrl& url)
1101 {
1102     m_createdItemUrl = url;
1103     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
1104     //        this, SLOT(selectAndScrollToCreatedItem()));
1105 }
1106
1107 void DolphinView::selectAndScrollToCreatedItem()
1108 {
1109     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1110     if (dirIndex.isValid()) {
1111         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1112         QAbstractItemView* view = m_viewAccessor.itemView();
1113         if (view) {
1114             view->setCurrentIndex(proxyIndex);
1115         }
1116     }
1117
1118     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1119                this, SLOT(selectAndScrollToCreatedItem()));*/
1120     m_createdItemUrl = KUrl();
1121 }
1122
1123 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1124 {
1125     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1126         emit redirection(oldUrl, newUrl);
1127         m_url = newUrl; // #186947
1128     }
1129 }
1130
1131 void DolphinView::updateViewState()
1132 {
1133     if (m_currentItemUrl != KUrl()) {
1134         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1135         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1136         if (currentIndex != -1) {
1137             selectionManager->setCurrentItem(currentIndex);
1138         } else {
1139             selectionManager->setCurrentItem(0);
1140         }
1141         m_currentItemUrl = KUrl();
1142     }
1143
1144     if (!m_restoredContentsPosition.isNull()) {
1145         const int x = m_restoredContentsPosition.x();
1146         const int y = m_restoredContentsPosition.y();
1147         m_restoredContentsPosition = QPoint();
1148
1149         m_container->horizontalScrollBar()->setValue(x);
1150         m_container->verticalScrollBar()->setValue(y);
1151     }
1152
1153     if (!m_selectedUrls.isEmpty()) {
1154         clearSelection();
1155
1156         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1157         QSet<int> selectedItems = selectionManager->selectedItems();
1158         const KFileItemModel* model = fileItemModel();
1159
1160         foreach (const KUrl& url, m_selectedUrls) {
1161             const int index = model->index(url);
1162             if (index >= 0) {
1163                 selectedItems.insert(index);
1164             }
1165         }
1166
1167         selectionManager->setSelectedItems(selectedItems);
1168         m_selectedUrls.clear();
1169     }
1170 }
1171
1172 void DolphinView::hideToolTip()
1173 {
1174     if (GeneralSettings::showToolTips()) {
1175         m_toolTipManager->hideToolTip();
1176     }
1177 }
1178
1179 void DolphinView::showHoverInformation(const KFileItem& item)
1180 {
1181     emit requestItemInfo(item);
1182 }
1183
1184 void DolphinView::clearHoverInformation()
1185 {
1186     emit requestItemInfo(KFileItem());
1187 }
1188
1189 void DolphinView::slotDeleteFileFinished(KJob* job)
1190 {
1191     if (job->error() == 0) {
1192         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1193     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1194         emit errorMessage(job->errorString());
1195     }
1196 }
1197
1198 void DolphinView::slotDirListerStarted(const KUrl& url)
1199 {
1200     // Disable the writestate temporary until it can be determined in a fast way
1201     // in DolphinView::slotLoadingCompleted()
1202     if (m_isFolderWritable) {
1203         m_isFolderWritable = false;
1204         emit writeStateChanged(m_isFolderWritable);
1205     }
1206
1207     emit startedPathLoading(url);
1208 }
1209
1210 void DolphinView::slotLoadingCompleted()
1211 {
1212     // Update the view-state. This has to be done using a Qt::QueuedConnection
1213     // because the view might not be in its final state yet.
1214     QTimer::singleShot(0, this, SLOT(updateViewState()));
1215
1216     emit finishedPathLoading(url());
1217
1218     updateWritableState();
1219 }
1220
1221 void DolphinView::slotRefreshItems()
1222 {
1223     if (m_assureVisibleCurrentIndex) {
1224         m_assureVisibleCurrentIndex = false;
1225         //QAbstractItemView* view = m_viewAccessor.itemView();
1226         //if (view) {
1227         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1228         //}
1229     }
1230 }
1231
1232 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1233 {
1234     Q_UNUSED(previous);
1235     Q_ASSERT(fileItemModel()->sortOrder() == current);
1236
1237     ViewProperties props(url());
1238     props.setSortOrder(current);
1239
1240     emit sortOrderChanged(current);
1241 }
1242
1243 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1244 {
1245     Q_UNUSED(previous);
1246     Q_ASSERT(fileItemModel()->sortRole() == current);
1247
1248     ViewProperties props(url());
1249     props.setSortRole(current);
1250
1251     emit sortRoleChanged(current);
1252 }
1253
1254 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1255                                                   const QList<QByteArray>& previous)
1256 {
1257     Q_UNUSED(previous);
1258     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1259
1260     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1261
1262     m_visibleRoles = current;
1263
1264     ViewProperties props(url());
1265     props.setVisibleRoles(m_visibleRoles);
1266
1267     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1268 }
1269
1270 KFileItemModel* DolphinView::fileItemModel() const
1271 {
1272     return static_cast<KFileItemModel*>(m_container->controller()->model());
1273 }
1274
1275 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1276 {
1277     if (!url.isValid()) {
1278         const QString location(url.pathOrUrl());
1279         if (location.isEmpty()) {
1280             emit errorMessage(i18nc("@info:status", "The location is empty."));
1281         } else {
1282             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1283         }
1284         return;
1285     }
1286
1287     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1288 }
1289
1290 void DolphinView::applyViewProperties()
1291 {
1292     m_container->beginTransaction();
1293
1294     const ViewProperties props(url());
1295     KFileItemModel* model = fileItemModel();
1296
1297     const Mode mode = props.viewMode();
1298     if (m_mode != mode) {
1299         const Mode previousMode = m_mode;
1300         m_mode = mode;
1301
1302         // Changing the mode might result in changing
1303         // the zoom level. Remember the old zoom level so
1304         // that zoomLevelChanged() can get emitted.
1305         const int oldZoomLevel = m_container->zoomLevel();
1306
1307         switch (m_mode) {
1308         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1309         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1310         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1311         default: Q_ASSERT(false); break;
1312         }
1313
1314         emit modeChanged(m_mode, previousMode);
1315
1316         if (m_container->zoomLevel() != oldZoomLevel) {
1317             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1318         }
1319     }
1320
1321     const bool hiddenFilesShown = props.hiddenFilesShown();
1322     if (hiddenFilesShown != model->showHiddenFiles()) {
1323         model->setShowHiddenFiles(hiddenFilesShown);
1324         emit hiddenFilesShownChanged(hiddenFilesShown);
1325     }
1326
1327     const bool groupedSorting = props.groupedSorting();
1328     if (groupedSorting != model->groupedSorting()) {
1329         model->setGroupedSorting(groupedSorting);
1330         emit groupedSortingChanged(groupedSorting);
1331     }
1332
1333     const QByteArray sortRole = props.sortRole();
1334     if (sortRole != model->sortRole()) {
1335         model->setSortRole(sortRole);
1336         emit sortRoleChanged(sortRole);
1337     }
1338
1339     const Qt::SortOrder sortOrder = props.sortOrder();
1340     if (sortOrder != model->sortOrder()) {
1341         model->setSortOrder(sortOrder);
1342         emit sortOrderChanged(sortOrder);
1343     }
1344
1345     const bool sortFoldersFirst = props.sortFoldersFirst();
1346     if (sortFoldersFirst != model->sortFoldersFirst()) {
1347         model->setSortFoldersFirst(sortFoldersFirst);
1348         emit sortFoldersFirstChanged(sortFoldersFirst);
1349     }
1350
1351     const QList<QByteArray> visibleRoles = props.visibleRoles();
1352     if (visibleRoles != m_visibleRoles) {
1353         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1354         m_visibleRoles = visibleRoles;
1355         m_container->setVisibleRoles(visibleRoles);
1356         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1357     }
1358
1359     const bool previewsShown = props.previewsShown();
1360     if (previewsShown != m_container->previewsShown()) {
1361         const int oldZoomLevel = zoomLevel();
1362
1363         m_container->setPreviewsShown(previewsShown);
1364         emit previewsShownChanged(previewsShown);
1365
1366         // Changing the preview-state might result in a changed zoom-level
1367         if (oldZoomLevel != zoomLevel()) {
1368             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1369         }
1370     }
1371
1372     KItemListView* itemListView = m_container->controller()->view();
1373     if (itemListView->isHeaderVisible()) {
1374         KItemListHeader* header = itemListView->header();
1375         const QList<int> headerColumnWidths = props.headerColumnWidths();
1376         const int rolesCount = m_visibleRoles.count();
1377         if (headerColumnWidths.count() == rolesCount) {
1378             header->setAutomaticColumnResizing(false);
1379
1380             QHash<QByteArray, qreal> columnWidths;
1381             for (int i = 0; i < rolesCount; ++i) {
1382                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1383             }
1384             header->setColumnWidths(columnWidths);
1385         } else {
1386             header->setAutomaticColumnResizing(true);
1387         }
1388     }
1389
1390     m_container->endTransaction();
1391 }
1392
1393 void DolphinView::pasteToUrl(const KUrl& url)
1394 {
1395     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1396     KonqOperations::doPaste(this, url);
1397 }
1398
1399 KUrl::List DolphinView::simplifiedSelectedUrls() const
1400 {
1401     KUrl::List urls;
1402
1403     const KFileItemList items = selectedItems();
1404     foreach (const KFileItem &item, items) {
1405         urls.append(item.url());
1406     }
1407
1408     if (itemsExpandable()) {
1409         // TODO: Check if we still need KDirModel for this in KDE 5.0
1410         urls = KDirModel::simplifiedUrlList(urls);
1411     }
1412
1413     return urls;
1414 }
1415
1416 QMimeData* DolphinView::selectionMimeData() const
1417 {
1418     const KFileItemModel* model = fileItemModel();
1419     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1420     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1421
1422     return model->createMimeData(selectedIndexes);
1423 }
1424
1425 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1426 {
1427     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1428     KUrl::List destUrls;
1429     foreach (const KUrl& source, sourceUrls) {
1430         KUrl destination(url().url() + "/" + source.fileName());
1431         destUrls << destination;
1432     }
1433     markUrlsAsSelected(destUrls);
1434 }
1435
1436 void DolphinView::updateWritableState()
1437 {
1438     const bool wasFolderWritable = m_isFolderWritable;
1439     m_isFolderWritable = true;
1440
1441     const KFileItem item = m_dirLister->rootItem();
1442     if (!item.isNull()) {
1443         KFileItemListProperties capabilities(KFileItemList() << item);
1444         m_isFolderWritable = capabilities.supportsWriting();
1445     }
1446     if (m_isFolderWritable != wasFolderWritable) {
1447         emit writeStateChanged(m_isFolderWritable);
1448     }
1449 }
1450
1451 QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
1452 {
1453     const KLocale* locale = KGlobal::locale();
1454     const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
1455                                     ? 1000 : 1024;
1456
1457     QString text;
1458     if (fileSize < multiplier) {
1459         // Show the size in bytes
1460         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
1461     } else if (fileSize < multiplier * multiplier) {
1462         // Show the size in kilobytes and always round up. This is done
1463         // for consistency with the values shown e.g. in the "Size" column
1464         // of the details-view.
1465         fileSize += (multiplier / 2) - 1;
1466         text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
1467     } else {
1468         // Show the size in the best fitting unit having one decimal
1469         text = locale->formatByteSize(fileSize, 1);
1470     }
1471     return text;
1472 }
1473
1474 #include "dolphinview.moc"