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 <config-nepomuk.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QBoxLayout>
  28 #include <QClipboard>
  29 #include <QDropEvent>
  30 #include <QGraphicsSceneDragDropEvent>
  31 #include <QKeyEvent>
  32 #include <QItemSelection>
  33 #include <QTimer>
  34 #include <QScrollBar>
  35
  36 #include <KActionCollection>
  37 #include <KColorScheme>
  38 #include <KDirModel>
  39 #include <KIconEffect>
  40 #include <KFileItem>
  41 #include <KFileItemListProperties>
  42 #include <KLocale>
  43 #include <kitemviews/kfileitemmodel.h>
  44 #include <kitemviews/kfileitemlistview.h>
  45 #include <kitemviews/kitemlistheader.h>
  46 #include <kitemviews/kitemlistselectionmanager.h>
  47 #include <kitemviews/kitemlistview.h>
  48 #include <kitemviews/kitemlistcontroller.h>
  49 #include <KIO/DeleteJob>
  50 #include <KIO/NetAccess>
  51 #include <KIO/PreviewJob>
  52 #include <KJob>
  53 #include <KMenu>
  54 #include <KMessageBox>
  55 #include <konq_fileitemcapabilities.h>
  56 #include <konq_operations.h>
  57 #include <konqmimedata.h>
  58 #include <KToggleAction>
  59 #include <KUrl>
  60
  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 #ifdef HAVE_NEPOMUK
  74     #include <Nepomuk/ResourceManager>
  75 #endif
  76
  77 namespace {
  78     const int MaxModeEnum = DolphinView::CompactView;
  79 };
  80
  81 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  82     QWidget(parent),
  83     m_active(true),
  84     m_tabsForFiles(false),
  85     m_assureVisibleCurrentIndex(false),
  86     m_isFolderWritable(true),
  87     m_dragging(false),
  88     m_url(url),
  89     m_mode(DolphinView::IconsView),
  90     m_visibleRoles(),
  91     m_topLayout(0),
  92     m_container(0),
  93     m_toolTipManager(0),
  94     m_selectionChangedTimer(0),
  95     m_currentItemUrl(),
  96     m_restoredContentsPosition(),
  97     m_createdItemUrl(),
  98     m_selectedUrls(),
  99     m_versionControlObserver(0)
 100 {
 101     m_topLayout = new QVBoxLayout(this);
 102     m_topLayout->setSpacing(0);
 103     m_topLayout->setMargin(0);
 104
 105     // When a new item has been created by the "Create New..." menu, the item should
 106     // get selected and it must be assured that the item will get visible. As the
 107     // creation is done asynchronously, several signals must be checked:
 108     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 109             this, SLOT(observeCreatedItem(KUrl)));
 110
 111     m_selectionChangedTimer = new QTimer(this);
 112     m_selectionChangedTimer->setSingleShot(true);
 113     m_selectionChangedTimer->setInterval(300);
 114     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 115             this, SLOT(emitSelectionChangedSignal()));
 116
 117     m_container = new DolphinItemListContainer(this);
 118     m_container->setVisibleRoles(QList<QByteArray>() << "name");
 119     m_container->installEventFilter(this);
 120     setFocusProxy(m_container);
 121     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 122     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 123
 124     KItemListController* controller = m_container->controller();
 125     controller->setSelectionBehavior(KItemListController::MultiSelection);
 126     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 127     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 128     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 129     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 130     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 131     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 132     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 133     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 134     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 135     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 136     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 137
 138     KFileItemModel* model = fileItemModel();
 139     connect(model, SIGNAL(dirLoadingStarted()),            this, SLOT(slotDirLoadingStarted()));
 140     connect(model, SIGNAL(dirLoadingCompleted()),          this, SLOT(slotDirLoadingCompleted()));
 141     connect(model, SIGNAL(dirLoadingProgress(int)),        this, SIGNAL(dirLoadingProgress(int)));
 142     connect(model, SIGNAL(dirSortingProgress(int)),        this, SIGNAL(dirSortingProgress(int)));
 143     connect(model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 144             this, SLOT(slotItemsChanged()));
 145     connect(model, SIGNAL(itemsRemoved(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 146     connect(model, SIGNAL(itemsInserted(KItemRangeList)),  this, SIGNAL(itemCountChanged()));
 147     connect(model, SIGNAL(infoMessage(QString)),           this, SIGNAL(infoMessage(QString)));
 148     connect(model, SIGNAL(errorMessage(QString)),          this, SIGNAL(errorMessage(QString)));
 149     connect(model, SIGNAL(redirection(KUrl,KUrl)),         this, SLOT(slotRedirection(KUrl,KUrl)));
 150
 151     KItemListView* view = controller->view();
 152     view->installEventFilter(this);
 153     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 154             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 155     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 156             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 157     connect(view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 158             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 159     connect(view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 160             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 161
 162     KItemListSelectionManager* selectionManager = controller->selectionManager();
 163     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 164             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 165
 166     m_toolTipManager = new ToolTipManager(this);
 167
 168     m_versionControlObserver = new VersionControlObserver(this);
 169     m_versionControlObserver->setModel(model);
 170     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 171     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 172     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 173
 174     applyViewProperties();
 175     m_topLayout->addWidget(m_container);
 176
 177     loadDirectory(url);
 178 }
 179
 180 DolphinView::~DolphinView()
 181 {
 182 }
 183
 184 KUrl DolphinView::url() const
 185 {
 186     return m_url;
 187 }
 188
 189 void DolphinView::setActive(bool active)
 190 {
 191     if (active == m_active) {
 192         return;
 193     }
 194
 195     m_active = active;
 196
 197     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 198     if (!active) {
 199         color.setAlpha(150);
 200     }
 201
 202     QWidget* viewport = m_container->viewport();
 203     if (viewport) {
 204         QPalette palette;
 205         palette.setColor(viewport->backgroundRole(), color);
 206         viewport->setPalette(palette);
 207     }
 208
 209     update();
 210
 211     if (active) {
 212         m_container->setFocus();
 213         emit activated();
 214         emit writeStateChanged(m_isFolderWritable);
 215     }
 216 }
 217
 218 bool DolphinView::isActive() const
 219 {
 220     return m_active;
 221 }
 222
 223 void DolphinView::setMode(Mode mode)
 224 {
 225     if (mode != m_mode) {
 226         ViewProperties props(url());
 227         props.setViewMode(mode);
 228         props.save();
 229
 230         applyViewProperties();
 231     }
 232 }
 233
 234 DolphinView::Mode DolphinView::mode() const
 235 {
 236     return m_mode;
 237 }
 238
 239 void DolphinView::setPreviewsShown(bool show)
 240 {
 241     if (previewsShown() == show) {
 242         return;
 243     }
 244
 245     ViewProperties props(url());
 246     props.setPreviewsShown(show);
 247
 248     m_container->setPreviewsShown(show);
 249     emit previewsShownChanged(show);
 250 }
 251
 252 bool DolphinView::previewsShown() const
 253 {
 254     return m_container->previewsShown();
 255 }
 256
 257 void DolphinView::setHiddenFilesShown(bool show)
 258 {
 259     KFileItemModel* model = fileItemModel();
 260     if (model->showHiddenFiles() == 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     model->setShowHiddenFiles(show);
 272     emit hiddenFilesShownChanged(show);
 273 }
 274
 275 bool DolphinView::hiddenFilesShown() const
 276 {
 277     return fileItemModel()->showHiddenFiles();
 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     KFileItemList list;
 303     const KFileItemModel* model = fileItemModel();
 304     const int itemCount = model->count();
 305     list.reserve(itemCount);
 306
 307     for (int i = 0; i < itemCount; ++i) {
 308         list.append(model->fileItem(i));
 309     }
 310
 311     return list;
 312 }
 313
 314 int DolphinView::itemsCount() const
 315 {
 316     return fileItemModel()->count();
 317 }
 318
 319 KFileItemList DolphinView::selectedItems() const
 320 {
 321     const KFileItemModel* model = fileItemModel();
 322     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 323     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 324
 325     KFileItemList selectedItems;
 326     QSetIterator<int> it(selectedIndexes);
 327     while (it.hasNext()) {
 328         const int index = it.next();
 329         selectedItems.append(model->fileItem(index));
 330     }
 331     return selectedItems;
 332 }
 333
 334 int DolphinView::selectedItemsCount() const
 335 {
 336     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 337     return selectionManager->selectedItems().count();
 338 }
 339
 340 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 341 {
 342     m_selectedUrls = urls;
 343 }
 344
 345 void DolphinView::markUrlAsCurrent(const KUrl& url)
 346 {
 347     m_currentItemUrl = url;
 348 }
 349
 350 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 351 {
 352     const KItemListSelectionManager::SelectionMode mode = enabled
 353                                                         ? KItemListSelectionManager::Select
 354                                                         : KItemListSelectionManager::Deselect;
 355     const KFileItemModel* model = fileItemModel();
 356     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 357
 358     for (int index = 0; index < model->count(); index++) {
 359         const KFileItem item = model->fileItem(index);
 360         if (pattern.exactMatch(item.text())) {
 361             // An alternative approach would be to store the matching items in a QSet<int> and
 362             // select them in one go after the loop, but we'd need a new function
 363             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 364             // for that.
 365             selectionManager->setSelected(index, 1, mode);
 366         }
 367     }
 368 }
 369
 370 void DolphinView::setZoomLevel(int level)
 371 {
 372     const int oldZoomLevel = zoomLevel();
 373     m_container->setZoomLevel(level);
 374     if (zoomLevel() != oldZoomLevel) {
 375         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 376     }
 377 }
 378
 379 int DolphinView::zoomLevel() const
 380 {
 381     return m_container->zoomLevel();
 382 }
 383
 384 void DolphinView::setSortRole(const QByteArray& role)
 385 {
 386     if (role != sortRole()) {
 387         updateSortRole(role);
 388     }
 389 }
 390
 391 QByteArray DolphinView::sortRole() const
 392 {
 393     const KItemModelBase* model = m_container->controller()->model();
 394     return model->sortRole();
 395 }
 396
 397 void DolphinView::setSortOrder(Qt::SortOrder order)
 398 {
 399     if (sortOrder() != order) {
 400         updateSortOrder(order);
 401     }
 402 }
 403
 404 Qt::SortOrder DolphinView::sortOrder() const
 405 {
 406     KItemModelBase* model = fileItemModel();
 407     return model->sortOrder();
 408 }
 409
 410 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 411 {
 412     if (sortFoldersFirst() != foldersFirst) {
 413         updateSortFoldersFirst(foldersFirst);
 414     }
 415 }
 416
 417 bool DolphinView::sortFoldersFirst() const
 418 {
 419     KFileItemModel* model = fileItemModel();
 420     return model->sortFoldersFirst();
 421 }
 422
 423 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 424 {
 425     const QList<QByteArray> previousRoles = roles;
 426
 427     ViewProperties props(url());
 428     props.setVisibleRoles(roles);
 429
 430     m_visibleRoles = roles;
 431     m_container->setVisibleRoles(roles);
 432
 433     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 434 }
 435
 436 QList<QByteArray> DolphinView::visibleRoles() const
 437 {
 438     return m_visibleRoles;
 439 }
 440
 441 void DolphinView::reload()
 442 {
 443     QByteArray viewState;
 444     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 445     saveState(saveStream);
 446
 447     const KFileItemList itemList = selectedItems();
 448     m_selectedUrls.clear();
 449     m_selectedUrls = itemList.urlList();
 450
 451     setUrl(url());
 452     loadDirectory(url(), true);
 453
 454     QDataStream restoreStream(viewState);
 455     restoreState(restoreStream);
 456 }
 457
 458 void DolphinView::stopLoading()
 459 {
 460     fileItemModel()->cancelDirLoading();
 461 }
 462
 463 void DolphinView::readSettings()
 464 {
 465     const int oldZoomLevel = m_container->zoomLevel();
 466
 467     GeneralSettings::self()->readConfig();
 468     m_container->readSettings();
 469     applyViewProperties();
 470
 471     const int newZoomLevel = m_container->zoomLevel();
 472     if (newZoomLevel != oldZoomLevel) {
 473         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 474     }
 475 }
 476
 477 void DolphinView::writeSettings()
 478 {
 479     GeneralSettings::self()->writeConfig();
 480     m_container->writeSettings();
 481 }
 482
 483 void DolphinView::setNameFilter(const QString& nameFilter)
 484 {
 485     fileItemModel()->setNameFilter(nameFilter);
 486 }
 487
 488 QString DolphinView::nameFilter() const
 489 {
 490     return fileItemModel()->nameFilter();
 491 }
 492
 493 QString DolphinView::statusBarText() const
 494 {
 495     QString summary;
 496     QString foldersText;
 497     QString filesText;
 498
 499     int folderCount = 0;
 500     int fileCount = 0;
 501     KIO::filesize_t totalFileSize = 0;
 502
 503     if (m_container->controller()->selectionManager()->hasSelection()) {
 504         // Give a summary of the status of the selected files
 505         const KFileItemList list = selectedItems();
 506         foreach (const KFileItem& item, list) {
 507             if (item.isDir()) {
 508                 ++folderCount;
 509             } else {
 510                 ++fileCount;
 511                 totalFileSize += item.size();
 512             }
 513         }
 514
 515         if (folderCount + fileCount == 1) {
 516             // If only one item is selected, show the filename
 517             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 518         } else {
 519             // At least 2 items are selected
 520             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 521             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 522         }
 523     } else {
 524         calculateItemCount(fileCount, folderCount, totalFileSize);
 525         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 526         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 527     }
 528
 529     if (fileCount > 0 && folderCount > 0) {
 530         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 531                         foldersText, filesText,
 532                         KGlobal::locale()->formatByteSize(totalFileSize));
 533     } else if (fileCount > 0) {
 534         summary = i18nc("@info:status files (size)", "%1 (%2)",
 535                         filesText,
 536                         KGlobal::locale()->formatByteSize(totalFileSize));
 537     } else if (folderCount > 0) {
 538         summary = foldersText;
 539     }
 540
 541     return summary;
 542 }
 543
 544 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 545 {
 546     QList<QAction*> actions;
 547
 548     if (items.isEmpty()) {
 549         const KFileItem item = fileItemModel()->rootItem();
 550         actions = m_versionControlObserver->actions(KFileItemList() << item);
 551     } else {
 552         actions = m_versionControlObserver->actions(items);
 553     }
 554
 555     return actions;
 556 }
 557
 558 void DolphinView::setUrl(const KUrl& url)
 559 {
 560     if (url == m_url) {
 561         return;
 562     }
 563
 564     emit urlAboutToBeChanged(url);
 565     m_url = url;
 566
 567     hideToolTip();
 568
 569     // It is important to clear the items from the model before
 570     // applying the view properties, otherwise expensive operations
 571     // might be done on the existing items although they get cleared
 572     // anyhow afterwards by loadDirectory().
 573     fileItemModel()->clear();
 574     applyViewProperties();
 575     loadDirectory(url);
 576
 577     emit urlChanged(url);
 578 }
 579
 580 void DolphinView::selectAll()
 581 {
 582     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 583     selectionManager->setSelected(0, fileItemModel()->count());
 584 }
 585
 586 void DolphinView::invertSelection()
 587 {
 588     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 589     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 590 }
 591
 592 void DolphinView::clearSelection()
 593 {
 594     m_container->controller()->selectionManager()->clearSelection();
 595 }
 596
 597 void DolphinView::renameSelectedItems()
 598 {
 599     KFileItemList items = selectedItems();
 600     const int itemCount = items.count();
 601     if (itemCount < 1) {
 602         return;
 603     }
 604
 605     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 606     // renaming yet.
 607     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 608         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 609         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 610         m_viewAccessor.itemView()->edit(proxyIndex);
 611     } else {*/
 612         RenameDialog* dialog = new RenameDialog(this, items);
 613         dialog->setAttribute(Qt::WA_DeleteOnClose);
 614         dialog->show();
 615         dialog->raise();
 616         dialog->activateWindow();
 617     //}
 618
 619     // Assure that the current index remains visible when KFileItemModel
 620     // will notify the view about changed items (which might result in
 621     // a changed sorting).
 622     m_assureVisibleCurrentIndex = true;
 623 }
 624
 625 void DolphinView::trashSelectedItems()
 626 {
 627     const KUrl::List list = simplifiedSelectedUrls();
 628     KonqOperations::del(this, KonqOperations::TRASH, list);
 629 }
 630
 631 void DolphinView::deleteSelectedItems()
 632 {
 633     const KUrl::List list = simplifiedSelectedUrls();
 634     const bool del = KonqOperations::askDeleteConfirmation(list,
 635                      KonqOperations::DEL,
 636                      KonqOperations::DEFAULT_CONFIRMATION,
 637                      this);
 638
 639     if (del) {
 640         KIO::Job* job = KIO::del(list);
 641         connect(job, SIGNAL(result(KJob*)),
 642                 this, SLOT(slotDeleteFileFinished(KJob*)));
 643     }
 644 }
 645
 646 void DolphinView::cutSelectedItems()
 647 {
 648     QMimeData* mimeData = selectionMimeData();
 649     KonqMimeData::addIsCutSelection(mimeData, true);
 650     QApplication::clipboard()->setMimeData(mimeData);
 651 }
 652
 653 void DolphinView::copySelectedItems()
 654 {
 655     QMimeData* mimeData = selectionMimeData();
 656     QApplication::clipboard()->setMimeData(mimeData);
 657 }
 658
 659 void DolphinView::paste()
 660 {
 661     pasteToUrl(url());
 662 }
 663
 664 void DolphinView::pasteIntoFolder()
 665 {
 666     const KFileItemList items = selectedItems();
 667     if ((items.count() == 1) && items.first().isDir()) {
 668         pasteToUrl(items.first().url());
 669     }
 670 }
 671
 672 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 673 {
 674     switch (event->type()) {
 675     case QEvent::FocusIn:
 676         if (watched == m_container) {
 677             setActive(true);
 678         }
 679         break;
 680
 681     case QEvent::GraphicsSceneDragEnter:
 682         if (watched == m_container->controller()->view()) {
 683             m_dragging = true;
 684         }
 685         break;
 686
 687     case QEvent::GraphicsSceneDragLeave:
 688         if (watched == m_container->controller()->view()) {
 689             m_dragging = false;
 690         }
 691         break;
 692
 693     case QEvent::GraphicsSceneDrop:
 694         if (watched == m_container->controller()->view()) {
 695             m_dragging = false;
 696         }
 697     default:
 698         break;
 699     }
 700
 701     return QWidget::eventFilter(watched, event);
 702 }
 703
 704 void DolphinView::wheelEvent(QWheelEvent* event)
 705 {
 706     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 707         const int numDegrees = event->delta() / 8;
 708         const int numSteps = numDegrees / 15;
 709
 710         setZoomLevel(zoomLevel() + numSteps);
 711         event->accept();
 712     } else {
 713         event->ignore();
 714     }
 715 }
 716
 717 void DolphinView::hideEvent(QHideEvent* event)
 718 {
 719     hideToolTip();
 720     QWidget::hideEvent(event);
 721 }
 722
 723 void DolphinView::activate()
 724 {
 725     setActive(true);
 726 }
 727
 728 void DolphinView::slotItemActivated(int index)
 729 {
 730     const KFileItem item = fileItemModel()->fileItem(index);
 731     if (!item.isNull()) {
 732         emit itemActivated(item);
 733     }
 734 }
 735
 736 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 737 {
 738     Q_ASSERT(indexes.count() >= 2);
 739
 740     KFileItemList items;
 741
 742     KFileItemModel* model = fileItemModel();
 743     QSetIterator<int> it(indexes);
 744     while (it.hasNext()) {
 745         const int index = it.next();
 746         items.append(model->fileItem(index));
 747     }
 748
 749     foreach (const KFileItem& item, items) {
 750         if (item.isDir()) {
 751             emit tabRequested(item.url());
 752         } else {
 753             emit itemActivated(item);
 754         }
 755     }
 756 }
 757
 758 void DolphinView::slotItemMiddleClicked(int index)
 759 {
 760     const KFileItem item = fileItemModel()->fileItem(index);
 761     if (item.isDir() || isTabsForFilesEnabled()) {
 762         emit tabRequested(item.url());
 763     }
 764 }
 765
 766 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 767 {
 768     const KFileItem item = fileItemModel()->fileItem(index);
 769     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 770 }
 771
 772 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 773 {
 774     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 775 }
 776
 777 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 778 {
 779     ViewProperties props(url());
 780
 781     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 782
 783     KItemListView* view = m_container->controller()->view();
 784     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 785
 786     bool nepomukRunning = false;
 787     bool indexingEnabled = false;
 788 #ifdef HAVE_NEPOMUK
 789     nepomukRunning = (Nepomuk::ResourceManager::instance()->init() == 0);
 790     if (nepomukRunning) {
 791         KConfig config("nepomukserverrc");
 792         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", false);
 793     }
 794 #endif
 795
 796     QString groupName;
 797     QMenu* groupMenu = 0;
 798
 799     // Add all roles to the menu that can be shown or hidden by the user
 800     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 801     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 802         if (info.role == "name") {
 803             // It should not be possible to hide the "name" role
 804             continue;
 805         }
 806
 807         const QString text = fileItemModel()->roleDescription(info.role);
 808         QAction* action = 0;
 809         if (info.group.isEmpty()) {
 810             action = menu->addAction(text);
 811         } else {
 812             if (!groupMenu || info.group != groupName) {
 813                 groupName = info.group;
 814                 groupMenu = menu->addMenu(groupName);
 815             }
 816
 817             action = groupMenu->addAction(text);
 818         }
 819
 820         action->setCheckable(true);
 821         action->setChecked(visibleRolesSet.contains(info.role));
 822         action->setData(info.role);
 823
 824         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 825                             (info.requiresNepomuk && nepomukRunning) ||
 826                             (info.requiresIndexer && indexingEnabled);
 827         action->setEnabled(enable);
 828     }
 829
 830     menu->addSeparator();
 831
 832     QActionGroup* widthsGroup = new QActionGroup(menu);
 833     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 834
 835     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 836     autoAdjustWidthsAction->setCheckable(true);
 837     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 838     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 839
 840     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 841     customWidthsAction->setCheckable(true);
 842     customWidthsAction->setChecked(!autoColumnWidths);
 843     customWidthsAction->setActionGroup(widthsGroup);
 844
 845     QAction* action = menu->exec(pos.toPoint());
 846     if (menu && action) {
 847         KItemListHeader* header = view->header();
 848
 849         if (action == autoAdjustWidthsAction) {
 850             // Clear the column-widths from the viewproperties and turn on
 851             // the automatic resizing of the columns
 852             props.setHeaderColumnWidths(QList<int>());
 853             header->setAutomaticColumnResizing(true);
 854         } else if (action == customWidthsAction) {
 855             // Apply the current column-widths as custom column-widths and turn
 856             // off the automatic resizing of the columns
 857             QList<int> columnWidths;
 858             foreach (const QByteArray& role, view->visibleRoles()) {
 859                 columnWidths.append(header->columnWidth(role));
 860             }
 861             props.setHeaderColumnWidths(columnWidths);
 862             header->setAutomaticColumnResizing(false);
 863         } else {
 864             // Show or hide the selected role
 865             const QByteArray selectedRole = action->data().toByteArray();
 866
 867             QList<QByteArray> visibleRoles = view->visibleRoles();
 868             if (action->isChecked()) {
 869                 visibleRoles.append(selectedRole);
 870             } else {
 871                 visibleRoles.removeOne(selectedRole);
 872             }
 873
 874             view->setVisibleRoles(visibleRoles);
 875             props.setVisibleRoles(visibleRoles);
 876
 877             QList<int> columnWidths;
 878             if (!header->automaticColumnResizing()) {
 879                 foreach (const QByteArray& role, view->visibleRoles()) {
 880                     columnWidths.append(header->columnWidth(role));
 881                 }
 882             }
 883             props.setHeaderColumnWidths(columnWidths);
 884         }
 885     }
 886
 887     delete menu;
 888 }
 889
 890 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 891 {
 892     Q_UNUSED(previous);
 893
 894     const QList<QByteArray> visibleRoles = m_container->visibleRoles();
 895
 896     ViewProperties props(url());
 897     QList<int> columnWidths = props.headerColumnWidths();
 898     if (columnWidths.count() != visibleRoles.count()) {
 899         columnWidths.clear();
 900         columnWidths.reserve(visibleRoles.count());
 901         const KItemListHeader* header = m_container->controller()->view()->header();
 902         foreach (const QByteArray& role, visibleRoles) {
 903             const int width = header->columnWidth(role);
 904             columnWidths.append(width);
 905         }
 906     }
 907
 908     const int roleIndex = visibleRoles.indexOf(role);
 909     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 910     columnWidths[roleIndex] = current;
 911
 912     props.setHeaderColumnWidths(columnWidths);
 913 }
 914
 915 void DolphinView::slotItemHovered(int index)
 916 {
 917     const KFileItem item = fileItemModel()->fileItem(index);
 918
 919     if (GeneralSettings::showToolTips() && !m_dragging) {
 920         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 921         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 922         itemRect.moveTo(pos);
 923
 924         m_toolTipManager->showToolTip(item, itemRect);
 925     }
 926
 927     emit requestItemInfo(item);
 928 }
 929
 930 void DolphinView::slotItemUnhovered(int index)
 931 {
 932     Q_UNUSED(index);
 933     hideToolTip();
 934     emit requestItemInfo(KFileItem());
 935 }
 936
 937 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 938 {
 939     KUrl destUrl;
 940     KFileItem destItem = fileItemModel()->fileItem(index);
 941     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
 942         // Use the URL of the view as drop target if the item is no directory
 943         // or desktop-file
 944         destItem = fileItemModel()->rootItem();
 945         destUrl = url();
 946     } else {
 947         // The item represents a directory or desktop-file
 948         destUrl = destItem.url();
 949     }
 950
 951     QDropEvent dropEvent(event->pos().toPoint(),
 952                          event->possibleActions(),
 953                          event->mimeData(),
 954                          event->buttons(),
 955                          event->modifiers());
 956
 957     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
 958     if (!error.isEmpty()) {
 959         emit errorMessage(error);
 960     }
 961
 962     if (destUrl == url()) {
 963         // Mark the dropped urls as selected.
 964         markPastedUrlsAsSelected(event->mimeData());
 965     }
 966 }
 967
 968 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 969 {
 970     if (previous != 0) {
 971         disconnect(previous, SIGNAL(dirLoadingCompleted()), this, SLOT(slotDirLoadingCompleted()));
 972     }
 973
 974     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 975     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirLoadingCompleted()));
 976
 977     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 978     m_versionControlObserver->setModel(fileItemModel);
 979 }
 980
 981 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
 982 {
 983     hideToolTip();
 984
 985     if (itemIndex < 0) {
 986         // Trigger the history navigation only when clicking on the viewport:
 987         // Above an item the XButtons provide a simple way to select items in
 988         // the singleClick mode.
 989         if (buttons & Qt::XButton1) {
 990             emit goBackRequested();
 991         } else if (buttons & Qt::XButton2) {
 992             emit goForwardRequested();
 993         }
 994     }
 995 }
 996
 997 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 998 {
 999     const int currentCount = current.count();
1000     const int previousCount = previous.count();
1001     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1002                                        (currentCount >  0 && previousCount == 0);
1003
1004     // If nothing has been selected before and something got selected (or if something
1005     // was selected before and now nothing is selected) the selectionChangedSignal must
1006     // be emitted asynchronously as fast as possible to update the edit-actions.
1007     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1008     m_selectionChangedTimer->start();
1009 }
1010
1011 void DolphinView::emitSelectionChangedSignal()
1012 {
1013     m_selectionChangedTimer->stop();
1014     emit selectionChanged(selectedItems());
1015 }
1016
1017 void DolphinView::updateSortRole(const QByteArray& role)
1018 {
1019     ViewProperties props(url());
1020     props.setSortRole(role);
1021
1022     KItemModelBase* model = m_container->controller()->model();
1023     model->setSortRole(role);
1024
1025     emit sortRoleChanged(role);
1026 }
1027
1028 void DolphinView::updateSortOrder(Qt::SortOrder order)
1029 {
1030     ViewProperties props(url());
1031     props.setSortOrder(order);
1032
1033     KItemModelBase* model = fileItemModel();
1034     model->setSortOrder(order);
1035
1036     emit sortOrderChanged(order);
1037 }
1038
1039 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1040 {
1041     ViewProperties props(url());
1042     props.setSortFoldersFirst(foldersFirst);
1043
1044     KFileItemModel* model = fileItemModel();
1045     model->setSortFoldersFirst(foldersFirst);
1046
1047     emit sortFoldersFirstChanged(foldersFirst);
1048 }
1049
1050 QPair<bool, QString> DolphinView::pasteInfo() const
1051 {
1052     return KonqOperations::pasteInfo(url());
1053 }
1054
1055 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1056 {
1057     m_tabsForFiles = tabsForFiles;
1058 }
1059
1060 bool DolphinView::isTabsForFilesEnabled() const
1061 {
1062     return m_tabsForFiles;
1063 }
1064
1065 bool DolphinView::itemsExpandable() const
1066 {
1067     return m_mode == DetailsView;
1068 }
1069
1070 void DolphinView::restoreState(QDataStream& stream)
1071 {
1072     // Restore the current item that had the keyboard focus
1073     stream >> m_currentItemUrl;
1074
1075     // Restore the view position
1076     stream >> m_restoredContentsPosition;
1077
1078     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1079     QSet<KUrl> urls;
1080     stream >> urls;
1081     fileItemModel()->restoreExpandedUrls(urls);
1082 }
1083
1084 void DolphinView::saveState(QDataStream& stream)
1085 {
1086     // Save the current item that has the keyboard focus
1087     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1088     if (currentIndex != -1) {
1089         KFileItem item = fileItemModel()->fileItem(currentIndex);
1090         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1091         KUrl currentItemUrl = item.url();
1092         stream << currentItemUrl;
1093     } else {
1094         stream << KUrl();
1095     }
1096
1097     // Save view position
1098     const qreal x = m_container->horizontalScrollBar()->value();
1099     const qreal y = m_container->verticalScrollBar()->value();
1100     stream << QPoint(x, y);
1101
1102     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1103     stream << fileItemModel()->expandedUrls();
1104 }
1105
1106 KFileItem DolphinView::rootItem() const
1107 {
1108     return fileItemModel()->rootItem();
1109 }
1110
1111 void DolphinView::observeCreatedItem(const KUrl& url)
1112 {
1113     m_createdItemUrl = url;
1114     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
1115     //        this, SLOT(selectAndScrollToCreatedItem()));
1116 }
1117
1118 void DolphinView::selectAndScrollToCreatedItem()
1119 {
1120     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1121     if (dirIndex.isValid()) {
1122         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1123         QAbstractItemView* view = m_viewAccessor.itemView();
1124         if (view) {
1125             view->setCurrentIndex(proxyIndex);
1126         }
1127     }
1128
1129     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1130                this, SLOT(selectAndScrollToCreatedItem()));*/
1131     m_createdItemUrl = KUrl();
1132 }
1133
1134 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1135 {
1136     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1137         emit redirection(oldUrl, newUrl);
1138         m_url = newUrl; // #186947
1139     }
1140 }
1141
1142 void DolphinView::updateViewState()
1143 {
1144     if (m_currentItemUrl != KUrl()) {
1145         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1146         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1147         if (currentIndex != -1) {
1148             selectionManager->setCurrentItem(currentIndex);
1149         } else {
1150             selectionManager->setCurrentItem(0);
1151         }
1152         m_currentItemUrl = KUrl();
1153     }
1154
1155     if (!m_restoredContentsPosition.isNull()) {
1156         const int x = m_restoredContentsPosition.x();
1157         const int y = m_restoredContentsPosition.y();
1158         m_restoredContentsPosition = QPoint();
1159
1160         m_container->horizontalScrollBar()->setValue(x);
1161         m_container->verticalScrollBar()->setValue(y);
1162     }
1163
1164     if (!m_selectedUrls.isEmpty()) {
1165         clearSelection();
1166
1167         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1168         QSet<int> selectedItems = selectionManager->selectedItems();
1169         const KFileItemModel* model = fileItemModel();
1170
1171         foreach (const KUrl& url, m_selectedUrls) {
1172             const int index = model->index(url);
1173             if (index >= 0) {
1174                 selectedItems.insert(index);
1175             }
1176         }
1177
1178         selectionManager->setSelectedItems(selectedItems);
1179         m_selectedUrls.clear();
1180     }
1181 }
1182
1183 void DolphinView::hideToolTip()
1184 {
1185     if (GeneralSettings::showToolTips()) {
1186         m_toolTipManager->hideToolTip();
1187     }
1188 }
1189
1190 void DolphinView::calculateItemCount(int& fileCount,
1191                                      int& folderCount,
1192                                      KIO::filesize_t& totalFileSize) const
1193 {
1194     const KFileItemModel* model = fileItemModel();
1195     const int itemCount = model->count();
1196     for (int i = 0; i < itemCount; ++i) {
1197         const KFileItem item = model->fileItem(i);
1198         if (item.isDir()) {
1199             ++folderCount;
1200         } else {
1201             ++fileCount;
1202             totalFileSize += item.size();
1203         }
1204     }
1205 }
1206
1207 void DolphinView::showHoverInformation(const KFileItem& item)
1208 {
1209     emit requestItemInfo(item);
1210 }
1211
1212 void DolphinView::clearHoverInformation()
1213 {
1214     emit requestItemInfo(KFileItem());
1215 }
1216
1217 void DolphinView::slotDeleteFileFinished(KJob* job)
1218 {
1219     if (job->error() == 0) {
1220         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1221     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1222         emit errorMessage(job->errorString());
1223     }
1224 }
1225
1226 void DolphinView::slotDirLoadingStarted()
1227 {
1228     // Disable the writestate temporary until it can be determined in a fast way
1229     // in DolphinView::slotLoadingCompleted()
1230     if (m_isFolderWritable) {
1231         m_isFolderWritable = false;
1232         emit writeStateChanged(m_isFolderWritable);
1233     }
1234
1235     emit dirLoadingStarted();
1236 }
1237
1238 void DolphinView::slotDirLoadingCompleted()
1239 {
1240     // Update the view-state. This has to be done asynchronously
1241     // because the view might not be in its final state yet.
1242     QTimer::singleShot(0, this, SLOT(updateViewState()));
1243
1244     emit dirLoadingCompleted();
1245
1246     updateWritableState();
1247 }
1248
1249 void DolphinView::slotItemsChanged()
1250 {
1251     m_assureVisibleCurrentIndex = false;
1252 }
1253
1254 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1255 {
1256     Q_UNUSED(previous);
1257     Q_ASSERT(fileItemModel()->sortOrder() == current);
1258
1259     ViewProperties props(url());
1260     props.setSortOrder(current);
1261
1262     emit sortOrderChanged(current);
1263 }
1264
1265 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1266 {
1267     Q_UNUSED(previous);
1268     Q_ASSERT(fileItemModel()->sortRole() == current);
1269
1270     ViewProperties props(url());
1271     props.setSortRole(current);
1272
1273     emit sortRoleChanged(current);
1274 }
1275
1276 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1277                                                   const QList<QByteArray>& previous)
1278 {
1279     Q_UNUSED(previous);
1280     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1281
1282     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1283
1284     m_visibleRoles = current;
1285
1286     ViewProperties props(url());
1287     props.setVisibleRoles(m_visibleRoles);
1288
1289     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1290 }
1291
1292 KFileItemModel* DolphinView::fileItemModel() const
1293 {
1294     return static_cast<KFileItemModel*>(m_container->controller()->model());
1295 }
1296
1297 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1298 {
1299     if (!url.isValid()) {
1300         const QString location(url.pathOrUrl());
1301         if (location.isEmpty()) {
1302             emit errorMessage(i18nc("@info:status", "The location is empty."));
1303         } else {
1304             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1305         }
1306         return;
1307     }
1308
1309     KFileItemModel* model = fileItemModel();
1310     if (reload) {
1311         model->refreshDir(url);
1312     } else {
1313         model->loadDir(url);
1314     }
1315 }
1316
1317 void DolphinView::applyViewProperties()
1318 {
1319     m_container->beginTransaction();
1320
1321     const ViewProperties props(url());
1322     KFileItemModel* model = fileItemModel();
1323
1324     const Mode mode = props.viewMode();
1325     if (m_mode != mode) {
1326         const Mode previousMode = m_mode;
1327         m_mode = mode;
1328
1329         // Changing the mode might result in changing
1330         // the zoom level. Remember the old zoom level so
1331         // that zoomLevelChanged() can get emitted.
1332         const int oldZoomLevel = m_container->zoomLevel();
1333
1334         switch (m_mode) {
1335         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1336         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1337         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1338         default: Q_ASSERT(false); break;
1339         }
1340
1341         emit modeChanged(m_mode, previousMode);
1342
1343         if (m_container->zoomLevel() != oldZoomLevel) {
1344             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1345         }
1346     }
1347
1348     const bool hiddenFilesShown = props.hiddenFilesShown();
1349     if (hiddenFilesShown != model->showHiddenFiles()) {
1350         model->setShowHiddenFiles(hiddenFilesShown);
1351         emit hiddenFilesShownChanged(hiddenFilesShown);
1352     }
1353
1354     const bool groupedSorting = props.groupedSorting();
1355     if (groupedSorting != model->groupedSorting()) {
1356         model->setGroupedSorting(groupedSorting);
1357         emit groupedSortingChanged(groupedSorting);
1358     }
1359
1360     const QByteArray sortRole = props.sortRole();
1361     if (sortRole != model->sortRole()) {
1362         model->setSortRole(sortRole);
1363         emit sortRoleChanged(sortRole);
1364     }
1365
1366     const Qt::SortOrder sortOrder = props.sortOrder();
1367     if (sortOrder != model->sortOrder()) {
1368         model->setSortOrder(sortOrder);
1369         emit sortOrderChanged(sortOrder);
1370     }
1371
1372     const bool sortFoldersFirst = props.sortFoldersFirst();
1373     if (sortFoldersFirst != model->sortFoldersFirst()) {
1374         model->setSortFoldersFirst(sortFoldersFirst);
1375         emit sortFoldersFirstChanged(sortFoldersFirst);
1376     }
1377
1378     const QList<QByteArray> visibleRoles = props.visibleRoles();
1379     if (visibleRoles != m_visibleRoles) {
1380         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1381         m_visibleRoles = visibleRoles;
1382         m_container->setVisibleRoles(visibleRoles);
1383         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1384     }
1385
1386     const bool previewsShown = props.previewsShown();
1387     if (previewsShown != m_container->previewsShown()) {
1388         const int oldZoomLevel = zoomLevel();
1389
1390         m_container->setPreviewsShown(previewsShown);
1391         emit previewsShownChanged(previewsShown);
1392
1393         // Changing the preview-state might result in a changed zoom-level
1394         if (oldZoomLevel != zoomLevel()) {
1395             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1396         }
1397     }
1398
1399     KItemListView* itemListView = m_container->controller()->view();
1400     if (itemListView->isHeaderVisible()) {
1401         KItemListHeader* header = itemListView->header();
1402         const QList<int> headerColumnWidths = props.headerColumnWidths();
1403         const int rolesCount = m_visibleRoles.count();
1404         if (headerColumnWidths.count() == rolesCount) {
1405             header->setAutomaticColumnResizing(false);
1406
1407             QHash<QByteArray, qreal> columnWidths;
1408             for (int i = 0; i < rolesCount; ++i) {
1409                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1410             }
1411             header->setColumnWidths(columnWidths);
1412         } else {
1413             header->setAutomaticColumnResizing(true);
1414         }
1415     }
1416
1417     m_container->endTransaction();
1418 }
1419
1420 void DolphinView::pasteToUrl(const KUrl& url)
1421 {
1422     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1423     KonqOperations::doPaste(this, url);
1424 }
1425
1426 KUrl::List DolphinView::simplifiedSelectedUrls() const
1427 {
1428     KUrl::List urls;
1429
1430     const KFileItemList items = selectedItems();
1431     foreach (const KFileItem &item, items) {
1432         urls.append(item.url());
1433     }
1434
1435     if (itemsExpandable()) {
1436         // TODO: Check if we still need KDirModel for this in KDE 5.0
1437         urls = KDirModel::simplifiedUrlList(urls);
1438     }
1439
1440     return urls;
1441 }
1442
1443 QMimeData* DolphinView::selectionMimeData() const
1444 {
1445     const KFileItemModel* model = fileItemModel();
1446     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1447     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1448
1449     return model->createMimeData(selectedIndexes);
1450 }
1451
1452 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1453 {
1454     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1455     KUrl::List destUrls;
1456     foreach (const KUrl& source, sourceUrls) {
1457         KUrl destination(url().url() + "/" + source.fileName());
1458         destUrls << destination;
1459     }
1460     markUrlsAsSelected(destUrls);
1461 }
1462
1463 void DolphinView::updateWritableState()
1464 {
1465     const bool wasFolderWritable = m_isFolderWritable;
1466     m_isFolderWritable = true;
1467
1468     const KFileItem item = fileItemModel()->rootItem();
1469     if (!item.isNull()) {
1470         KFileItemListProperties capabilities(KFileItemList() << item);
1471         m_isFolderWritable = capabilities.supportsWriting();
1472     }
1473     if (m_isFolderWritable != wasFolderWritable) {
1474         emit writeStateChanged(m_isFolderWritable);
1475     }
1476 }
1477
1478 #include "dolphinview.moc"