src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz@gmx.at>             *
   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 <QClipboard>
  26 #include <QKeyEvent>
  27 #include <QItemSelection>
  28 #include <QBoxLayout>
  29 #include <QTimer>
  30 #include <QScrollBar>
  31
  32 #include <kactioncollection.h>
  33 #include <kcolorscheme.h>
  34 #include <kdirlister.h>
  35 #include <kiconeffect.h>
  36 #include <kfileitem.h>
  37 #include <klocale.h>
  38 #include <kio/deletejob.h>
  39 #include <kio/netaccess.h>
  40 #include <kio/previewjob.h>
  41 #include <kjob.h>
  42 #include <kmenu.h>
  43 #include <kmessagebox.h>
  44 #include <kmimetyperesolver.h>
  45 #include <konq_fileitemcapabilities.h>
  46 #include <konq_operations.h>
  47 #include <konqmimedata.h>
  48 #include <kstringhandler.h>
  49 #include <ktoggleaction.h>
  50 #include <kurl.h>
  51
  52 #include "dolphinmodel.h"
  53 #include "dolphincolumnviewcontainer.h"
  54 #include "dolphincontroller.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphinfileitemdelegate.h"
  57 #include "dolphinnewmenuobserver.h"
  58 #include "dolphinsortfilterproxymodel.h"
  59 #include "dolphin_detailsmodesettings.h"
  60 #include "dolphiniconsview.h"
  61 #include "dolphin_generalsettings.h"
  62 #include "draganddrophelper.h"
  63 #include "renamedialog.h"
  64 #include "settings/dolphinsettings.h"
  65 #include "viewproperties.h"
  66 #include "zoomlevelinfo.h"
  67 #include "dolphindetailsviewexpander.h"
  68
  69 /**
  70  * Helper function for sorting items with qSort() in
  71  * DolphinView::renameSelectedItems().
  72  */
  73 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  74 {
  75     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  76 }
  77
  78 DolphinView::DolphinView(QWidget* parent,
  79                          const KUrl& url,
  80                          DolphinSortFilterProxyModel* proxyModel) :
  81     QWidget(parent),
  82     m_active(true),
  83     m_showPreview(false),
  84     m_loadingDirectory(false),
  85     m_storedCategorizedSorting(false),
  86     m_tabsForFiles(false),
  87     m_isContextMenuOpen(false),
  88     m_ignoreViewProperties(false),
  89     m_assureVisibleCurrentIndex(false),
  90     m_mode(DolphinView::IconsView),
  91     m_topLayout(0),
  92     m_controller(0),
  93     m_viewAccessor(proxyModel),
  94     m_selectionModel(0),
  95     m_selectionChangedTimer(0),
  96     m_rootUrl(),
  97     m_activeItemUrl(),
  98     m_restoredContentsPosition(),
  99     m_createdItemUrl(),
 100     m_selectedItems(),
 101     m_newFileNames()
 102 {
 103     m_topLayout = new QVBoxLayout(this);
 104     m_topLayout->setSpacing(0);
 105     m_topLayout->setMargin(0);
 106
 107     m_controller = new DolphinController(this);
 108     m_controller->setUrl(url);
 109
 110     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 111             this, SIGNAL(urlChanged(const KUrl&)));
 112     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 113             this, SLOT(slotRequestUrlChange(const KUrl&)));
 114
 115     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 116             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 117     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 118             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 119     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 120             this, SLOT(updateSorting(DolphinView::Sorting)));
 121     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 122             this, SLOT(updateSortOrder(Qt::SortOrder)));
 123     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 124             this, SLOT(updateSortFoldersFirst(bool)));
 125     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 126             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 127     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 128             this, SLOT(triggerItem(const KFileItem&)));
 129     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 130             this, SIGNAL(tabRequested(const KUrl&)));
 131     connect(m_controller, SIGNAL(activated()),
 132             this, SLOT(activate()));
 133     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 134             this, SLOT(showHoverInformation(const KFileItem&)));
 135     connect(m_controller, SIGNAL(viewportEntered()),
 136             this, SLOT(clearHoverInformation()));
 137
 138     KDirLister* dirLister = m_viewAccessor.dirLister();
 139     connect(dirLister, SIGNAL(redirection(KUrl,KUrl)),
 140             this, SLOT(slotRedirection(KUrl,KUrl)));
 141     connect(dirLister, SIGNAL(completed()),
 142             this, SLOT(slotDirListerCompleted()));
 143     connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 144             this, SLOT(slotRefreshItems()));
 145
 146     // When a new item has been created by the "Create New..." menu, the item should
 147     // get selected and it must be assured that the item will get visible. As the
 148     // creation is done asynchronously, several signals must be checked:
 149     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 150             this, SLOT(observeCreatedItem(const KUrl&)));
 151
 152     m_selectionChangedTimer = new QTimer(this);
 153     m_selectionChangedTimer->setSingleShot(true);
 154     m_selectionChangedTimer->setInterval(300);
 155     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 156             this, SLOT(emitSelectionChangedSignal()));
 157
 158     applyViewProperties();
 159     m_topLayout->addWidget(m_viewAccessor.layoutTarget());
 160 }
 161
 162 DolphinView::~DolphinView()
 163 {
 164 }
 165
 166 const KUrl& DolphinView::url() const
 167 {
 168     return m_controller->url();
 169 }
 170
 171 KUrl DolphinView::rootUrl() const
 172 {
 173     const KUrl viewUrl = url();
 174     const KUrl root = m_viewAccessor.rootUrl();
 175     if (root.isEmpty() || !root.isParentOf(viewUrl)) {
 176         return viewUrl;
 177     }
 178     return root;
 179 }
 180
 181 void DolphinView::setActive(bool active)
 182 {
 183     if (active == m_active) {
 184         return;
 185     }
 186
 187     m_active = active;
 188
 189     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 190     if (active) {
 191         emitSelectionChangedSignal();
 192     } else {
 193         color.setAlpha(150);
 194     }
 195
 196     QWidget* viewport = m_viewAccessor.itemView()->viewport();
 197     QPalette palette;
 198     palette.setColor(viewport->backgroundRole(), color);
 199     viewport->setPalette(palette);
 200
 201     update();
 202
 203     if (active) {
 204         m_viewAccessor.itemView()->setFocus();
 205         emit activated();
 206     }
 207
 208     m_controller->indicateActivationChange(active);
 209 }
 210
 211 bool DolphinView::isActive() const
 212 {
 213     return m_active;
 214 }
 215
 216 void DolphinView::setMode(Mode mode)
 217 {
 218     if (mode == m_mode) {
 219         return; // the wished mode is already set
 220     }
 221
 222     const int oldZoomLevel = m_controller->zoomLevel();
 223     m_mode = mode;
 224
 225     // remember the currently selected items, so that they will
 226     // be restored after reloading the directory
 227     m_selectedItems = selectedItems();
 228
 229     deleteView();
 230
 231     const KUrl viewPropsUrl = rootUrl();
 232     ViewProperties props(viewPropsUrl);
 233     props.setViewMode(m_mode);
 234     createView();
 235
 236     // the file item delegate has been recreated, apply the current
 237     // additional information manually
 238     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 239     m_viewAccessor.itemDelegate()->setShowInformation(infoList);
 240     emit additionalInfoChanged();
 241
 242     // Not all view modes support categorized sorting. Adjust the sorting model
 243     // if changing the view mode results in a change of the categorized sorting
 244     // capabilities.
 245     m_storedCategorizedSorting = props.categorizedSorting();
 246     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 247     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
 248         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 249         emit categorizedSortingChanged();
 250     }
 251
 252     emit modeChanged();
 253
 254     updateZoomLevel(oldZoomLevel);
 255     loadDirectory(viewPropsUrl);
 256 }
 257
 258 DolphinView::Mode DolphinView::mode() const
 259 {
 260     return m_mode;
 261 }
 262
 263 bool DolphinView::showPreview() const
 264 {
 265     return m_showPreview;
 266 }
 267
 268 bool DolphinView::showHiddenFiles() const
 269 {
 270     return m_viewAccessor.dirLister()->showingDotFiles();
 271 }
 272
 273 bool DolphinView::categorizedSorting() const
 274 {
 275     // If all view modes would support categorized sorting, returning
 276     // m_viewAccessor.proxyModel()->isCategorizedModel() would be the way to go. As
 277     // currently only the icons view supports caterized sorting, we remember
 278     // the stored view properties state in m_storedCategorizedSorting and
 279     // return this state. The application takes care to disable the corresponding
 280     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 281     // that this setting is not applied to the current view mode.
 282     return m_storedCategorizedSorting;
 283 }
 284
 285 bool DolphinView::supportsCategorizedSorting() const
 286 {
 287     return m_viewAccessor.supportsCategorizedSorting();
 288 }
 289
 290 bool DolphinView::hasSelection() const
 291 {
 292     const QAbstractItemView* view = m_viewAccessor.itemView();
 293     return (view != 0) && view->selectionModel()->hasSelection();
 294 }
 295
 296 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 297 {
 298     foreach (const KUrl& url, urls) {
 299         KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 300         m_selectedItems.append(item);
 301     }
 302 }
 303
 304 KFileItemList DolphinView::selectedItems() const
 305 {
 306     KFileItemList itemList;
 307     const QAbstractItemView* view = m_viewAccessor.itemView();
 308     if (view == 0) {
 309         return itemList;
 310     }
 311
 312     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
 313
 314     const QModelIndexList indexList = selection.indexes();
 315     foreach (const QModelIndex &index, indexList) {
 316         KFileItem item = m_viewAccessor.dirModel()->itemForIndex(index);
 317         if (!item.isNull()) {
 318             itemList.append(item);
 319         }
 320     }
 321
 322     return itemList;
 323 }
 324
 325 KUrl::List DolphinView::selectedUrls() const
 326 {
 327     KUrl::List urls;
 328     const KFileItemList list = selectedItems();
 329     foreach (const KFileItem &item, list) {
 330         urls.append(item.url());
 331     }
 332     return urls;
 333 }
 334
 335 int DolphinView::selectedItemsCount() const
 336 {
 337     const QAbstractItemView* view = m_viewAccessor.itemView();
 338     if (view == 0) {
 339         return 0;
 340     }
 341
 342     return view->selectionModel()->selectedIndexes().count();
 343 }
 344
 345 QItemSelectionModel* DolphinView::selectionModel() const
 346 {
 347     return m_viewAccessor.itemView()->selectionModel();
 348 }
 349
 350 void DolphinView::setZoomLevel(int level)
 351 {
 352     if (level < ZoomLevelInfo::minimumLevel()) {
 353         level = ZoomLevelInfo::minimumLevel();
 354     } else if (level > ZoomLevelInfo::maximumLevel()) {
 355         level = ZoomLevelInfo::maximumLevel();
 356     }
 357
 358     if (level != zoomLevel()) {
 359         m_controller->setZoomLevel(level);
 360         emit zoomLevelChanged(level);
 361     }
 362 }
 363
 364 int DolphinView::zoomLevel() const
 365 {
 366     return m_controller->zoomLevel();
 367 }
 368
 369 void DolphinView::setSorting(Sorting sorting)
 370 {
 371     if (sorting != this->sorting()) {
 372         updateSorting(sorting);
 373     }
 374 }
 375
 376 DolphinView::Sorting DolphinView::sorting() const
 377 {
 378     return m_viewAccessor.proxyModel()->sorting();
 379 }
 380
 381 void DolphinView::setSortOrder(Qt::SortOrder order)
 382 {
 383     if (sortOrder() != order) {
 384         updateSortOrder(order);
 385     }
 386 }
 387
 388 Qt::SortOrder DolphinView::sortOrder() const
 389 {
 390     return m_viewAccessor.proxyModel()->sortOrder();
 391 }
 392
 393 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 394 {
 395     if (sortFoldersFirst() != foldersFirst) {
 396         updateSortFoldersFirst(foldersFirst);
 397     }
 398 }
 399
 400 bool DolphinView::sortFoldersFirst() const
 401 {
 402     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 403 }
 404
 405 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 406 {
 407     const KUrl viewPropsUrl = rootUrl();
 408     ViewProperties props(viewPropsUrl);
 409     props.setAdditionalInfo(info);
 410     m_viewAccessor.itemDelegate()->setShowInformation(info);
 411
 412     emit additionalInfoChanged();
 413
 414     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 415         loadDirectory(viewPropsUrl);
 416     }
 417 }
 418
 419 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 420 {
 421     return m_viewAccessor.itemDelegate()->showInformation();
 422 }
 423
 424 void DolphinView::reload()
 425 {
 426     QByteArray viewState;
 427     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 428     saveState(saveStream);
 429     m_selectedItems= selectedItems();
 430
 431     setUrl(url());
 432     loadDirectory(url(), true);
 433
 434     QDataStream restoreStream(viewState);
 435     restoreState(restoreStream);
 436 }
 437
 438 void DolphinView::refresh()
 439 {
 440     m_ignoreViewProperties = false;
 441
 442     const bool oldActivationState = m_active;
 443     const int oldZoomLevel = m_controller->zoomLevel();
 444     m_active = true;
 445
 446     createView();
 447     applyViewProperties();
 448     reload();
 449
 450     setActive(oldActivationState);
 451     updateZoomLevel(oldZoomLevel);
 452 }
 453
 454 void DolphinView::setNameFilter(const QString& nameFilter)
 455 {
 456     m_controller->setNameFilter(nameFilter);
 457 }
 458
 459 void DolphinView::calculateItemCount(int& fileCount,
 460                                      int& folderCount,
 461                                      KIO::filesize_t& totalFileSize) const
 462 {
 463     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 464         if (item.isDir()) {
 465             ++folderCount;
 466         } else {
 467             ++fileCount;
 468             totalFileSize += item.size();
 469         }
 470     }
 471 }
 472
 473 QString DolphinView::statusBarText() const
 474 {
 475     QString text;
 476     int folderCount = 0;
 477     int fileCount = 0;
 478     KIO::filesize_t totalFileSize = 0;
 479
 480     if (hasSelection()) {
 481         // give a summary of the status of the selected files
 482         const KFileItemList list = selectedItems();
 483         if (list.isEmpty()) {
 484             // when an item is triggered, it is temporary selected but selectedItems()
 485             // will return an empty list
 486             return text;
 487         }
 488
 489         KFileItemList::const_iterator it = list.begin();
 490         const KFileItemList::const_iterator end = list.end();
 491         while (it != end) {
 492             const KFileItem& item = *it;
 493             if (item.isDir()) {
 494                 ++folderCount;
 495             } else {
 496                 ++fileCount;
 497                 totalFileSize += item.size();
 498             }
 499             ++it;
 500         }
 501
 502         if (folderCount + fileCount == 1) {
 503             // if only one item is selected, show the filename
 504             const QString name = list.first().text();
 505             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 506                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 507                                               name, KIO::convertSize(totalFileSize));
 508         } else {
 509             // at least 2 items are selected
 510             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 511             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 512             if ((folderCount > 0) && (fileCount > 0)) {
 513                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 514                              foldersText, filesText, KIO::convertSize(totalFileSize));
 515             } else if (fileCount > 0) {
 516                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 517             } else {
 518                 Q_ASSERT(folderCount > 0);
 519                 text = foldersText;
 520             }
 521         }
 522     } else {
 523         calculateItemCount(fileCount, folderCount, totalFileSize);
 524         text = KIO::itemsSummaryString(fileCount + folderCount,
 525                                        fileCount, folderCount,
 526                                        totalFileSize, true);
 527     }
 528
 529     return text;
 530 }
 531
 532 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 533 {
 534     return m_controller->versionControlActions(items);
 535 }
 536
 537 void DolphinView::setUrl(const KUrl& url)
 538 {
 539     if (m_controller->url() == url) {
 540         return;
 541     }
 542
 543     m_newFileNames.clear();
 544
 545     m_controller->setUrl(url); // emits urlChanged, which we forward
 546     m_viewAccessor.prepareUrlChange(url);
 547     applyViewProperties();
 548     loadDirectory(url);
 549
 550     // When changing the URL there is no need to keep the version
 551     // data of the previous URL.
 552     m_viewAccessor.dirModel()->clearVersionData();
 553
 554     emit startedPathLoading(url);
 555 }
 556
 557 void DolphinView::selectAll()
 558 {
 559     m_viewAccessor.itemView()->selectAll();
 560 }
 561
 562 void DolphinView::invertSelection()
 563 {
 564     QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
 565     const QAbstractItemModel* itemModel = selectionModel->model();
 566
 567     const QModelIndex topLeft = itemModel->index(0, 0);
 568     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 569                                                      itemModel->columnCount() - 1);
 570
 571     const QItemSelection selection(topLeft, bottomRight);
 572     selectionModel->select(selection, QItemSelectionModel::Toggle);
 573 }
 574
 575 void DolphinView::clearSelection()
 576 {
 577     m_viewAccessor.itemView()->clearSelection();
 578 }
 579
 580 void DolphinView::renameSelectedItems()
 581 {
 582     KFileItemList items = selectedItems();
 583     const int itemCount = items.count();
 584     if (itemCount < 1) {
 585         return;
 586     }
 587
 588     if (itemCount > 1) {
 589         // More than one item has been selected for renaming. Open
 590         // a rename dialog and rename all items afterwards.
 591         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 592         if (dialog->exec() == QDialog::Rejected) {
 593             delete dialog;
 594             return;
 595         }
 596
 597         const QString newName = dialog->newName();
 598         if (newName.isEmpty()) {
 599             emit errorMessage(dialog->errorString());
 600             delete dialog;
 601             return;
 602         }
 603         delete dialog;
 604
 605         // the selection would be invalid after renaming the items, so just clear
 606         // it before
 607         clearSelection();
 608
 609         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 610         // as one operation instead of n rename operations like it is done now...
 611         Q_ASSERT(newName.contains('#'));
 612
 613         // currently the items are sorted by the selection order, resort
 614         // them by the file name
 615         qSort(items.begin(), items.end(), lessThan);
 616
 617         // iterate through all selected items and rename them...
 618         int index = 1;
 619         foreach (const KFileItem& item, items) {
 620             const KUrl& oldUrl = item.url();
 621             QString number;
 622             number.setNum(index++);
 623
 624             QString name = newName;
 625             name.replace('#', number);
 626
 627             if (oldUrl.fileName() != name) {
 628                 KUrl newUrl = oldUrl;
 629                 newUrl.setFileName(name);
 630                 KonqOperations::rename(this, oldUrl, newUrl);
 631             }
 632         }
 633     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 634         Q_ASSERT(itemCount == 1);
 635         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 636         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 637         m_viewAccessor.itemView()->edit(proxyIndex);
 638     } else {
 639         Q_ASSERT(itemCount == 1);
 640
 641         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 642         if (dialog->exec() == QDialog::Rejected) {
 643             delete dialog;
 644             return;
 645         }
 646
 647         const QString newName = dialog->newName();
 648         if (newName.isEmpty()) {
 649             emit errorMessage(dialog->errorString());
 650             delete dialog;
 651             return;
 652         }
 653         delete dialog;
 654
 655         const KUrl& oldUrl = items.first().url();
 656         KUrl newUrl = oldUrl;
 657         newUrl.setFileName(newName);
 658         KonqOperations::rename(this, oldUrl, newUrl);
 659     }
 660
 661     // assure that the current index remains visible when KDirLister
 662     // will notify the view about changed items
 663     m_assureVisibleCurrentIndex = true;
 664 }
 665
 666 void DolphinView::trashSelectedItems()
 667 {
 668     const KUrl::List list = simplifiedSelectedUrls();
 669     KonqOperations::del(this, KonqOperations::TRASH, list);
 670 }
 671
 672 void DolphinView::deleteSelectedItems()
 673 {
 674     const KUrl::List list = simplifiedSelectedUrls();
 675     const bool del = KonqOperations::askDeleteConfirmation(list,
 676                      KonqOperations::DEL,
 677                      KonqOperations::DEFAULT_CONFIRMATION,
 678                      this);
 679
 680     if (del) {
 681         KIO::Job* job = KIO::del(list);
 682         connect(job, SIGNAL(result(KJob*)),
 683                 this, SLOT(slotDeleteFileFinished(KJob*)));
 684     }
 685 }
 686
 687 void DolphinView::cutSelectedItems()
 688 {
 689     QMimeData* mimeData = selectionMimeData();
 690     KonqMimeData::addIsCutSelection(mimeData, true);
 691     QApplication::clipboard()->setMimeData(mimeData);
 692 }
 693
 694 void DolphinView::copySelectedItems()
 695 {
 696     QMimeData* mimeData = selectionMimeData();
 697     QApplication::clipboard()->setMimeData(mimeData);
 698 }
 699
 700 void DolphinView::paste()
 701 {
 702     pasteToUrl(url());
 703 }
 704
 705 void DolphinView::pasteIntoFolder()
 706 {
 707     const KFileItemList items = selectedItems();
 708     if ((items.count() == 1) && items.first().isDir()) {
 709         pasteToUrl(items.first().url());
 710     }
 711 }
 712
 713 void DolphinView::setShowPreview(bool show)
 714 {
 715     if (m_showPreview == show) {
 716         return;
 717     }
 718
 719     const KUrl viewPropsUrl = rootUrl();
 720     ViewProperties props(viewPropsUrl);
 721     props.setShowPreview(show);
 722
 723     m_showPreview = show;
 724     const int oldZoomLevel = m_controller->zoomLevel();
 725     emit showPreviewChanged();
 726
 727     // Enabling or disabling the preview might change the icon size of the view.
 728     // As the view does not emit a signal when the icon size has been changed,
 729     // the used zoom level of the controller must be adjusted manually:
 730     updateZoomLevel(oldZoomLevel);
 731 }
 732
 733 void DolphinView::setShowHiddenFiles(bool show)
 734 {
 735     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 736         return;
 737     }
 738
 739     const KUrl viewPropsUrl = rootUrl();
 740     ViewProperties props(viewPropsUrl);
 741     props.setShowHiddenFiles(show);
 742
 743     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 744     emit showHiddenFilesChanged();
 745 }
 746
 747 void DolphinView::setCategorizedSorting(bool categorized)
 748 {
 749     if (categorized == categorizedSorting()) {
 750         return;
 751     }
 752
 753     // setCategorizedSorting(true) may only get invoked
 754     // if the view supports categorized sorting
 755     Q_ASSERT(!categorized || supportsCategorizedSorting());
 756
 757     ViewProperties props(rootUrl());
 758     props.setCategorizedSorting(categorized);
 759     props.save();
 760
 761     m_storedCategorizedSorting = categorized;
 762     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 763
 764     emit categorizedSortingChanged();
 765 }
 766
 767 void DolphinView::toggleSortOrder()
 768 {
 769     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 770                                 Qt::DescendingOrder :
 771                                 Qt::AscendingOrder;
 772     setSortOrder(order);
 773 }
 774
 775 void DolphinView::toggleSortFoldersFirst()
 776 {
 777     setSortFoldersFirst(!sortFoldersFirst());
 778 }
 779
 780 void DolphinView::toggleAdditionalInfo(QAction* action)
 781 {
 782     const KFileItemDelegate::Information info =
 783         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 784
 785     KFileItemDelegate::InformationList list = additionalInfo();
 786
 787     const bool show = action->isChecked();
 788
 789     const int index = list.indexOf(info);
 790     const bool containsInfo = (index >= 0);
 791     if (show && !containsInfo) {
 792         list.append(info);
 793         setAdditionalInfo(list);
 794     } else if (!show && containsInfo) {
 795         list.removeAt(index);
 796         setAdditionalInfo(list);
 797         Q_ASSERT(list.indexOf(info) < 0);
 798     }
 799 }
 800
 801 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 802 {
 803     QWidget::mouseReleaseEvent(event);
 804     setActive(true);
 805 }
 806
 807 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 808 {
 809     switch (event->type()) {
 810     case QEvent::FocusIn:
 811         if (watched == m_viewAccessor.itemView()) {
 812             m_controller->requestActivation();
 813         }
 814         break;
 815
 816     case QEvent::DragEnter:
 817         if (watched == m_viewAccessor.itemView()->viewport()) {
 818             setActive(true);
 819         }
 820         break;
 821
 822     case QEvent::KeyPress:
 823         if (watched == m_viewAccessor.itemView()) {
 824             // clear the selection when Escape has been pressed
 825             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 826             if (keyEvent->key() == Qt::Key_Escape) {
 827                 clearSelection();
 828             }
 829         }
 830         break;
 831
 832     case QEvent::Wheel:
 833         if (watched == m_viewAccessor.itemView()->viewport()) {
 834             // Ctrl+wheel events should cause icon zooming, but not if the left mouse button is pressed
 835             // (the user is probably trying to scroll during a selection in that case)
 836             QWheelEvent* wheelEvent = static_cast<QWheelEvent*>(event);
 837             if (wheelEvent->modifiers() & Qt::ControlModifier && !(wheelEvent->buttons() & Qt::LeftButton)) {
 838                 const int delta = wheelEvent->delta();
 839                 const int level = zoomLevel();
 840                 if (delta > 0) {
 841                     setZoomLevel(level + 1);
 842                 } else if (delta < 0) {
 843                     setZoomLevel(level - 1);
 844                 }
 845                 return true;
 846             }
 847         }
 848         break;
 849
 850     default:
 851         break;
 852     }
 853
 854     return QWidget::eventFilter(watched, event);
 855 }
 856
 857 void DolphinView::activate()
 858 {
 859     setActive(true);
 860 }
 861
 862 void DolphinView::triggerItem(const KFileItem& item)
 863 {
 864     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 865     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 866         // items are selected by the user, hence don't trigger the
 867         // item specified by 'index'
 868         return;
 869     }
 870
 871     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 872     if (item.isNull() || m_isContextMenuOpen) {
 873         return;
 874     }
 875
 876     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 877 }
 878
 879 void DolphinView::slotSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected)
 880 {
 881     const int count = selectedItemsCount();
 882     const bool selectionStateChanged = ((count >  0) && (selected.count() == count)) ||
 883                                        ((count == 0) && !deselected.isEmpty());
 884
 885     // If nothing has been selected before and something got selected (or if something
 886     // was selected before and now nothing is selected) the selectionChangedSignal must
 887     // be emitted asynchronously as fast as possible to update the edit-actions.
 888     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 889     m_selectionChangedTimer->start();
 890 }
 891
 892 void DolphinView::emitSelectionChangedSignal()
 893 {
 894     emit selectionChanged(DolphinView::selectedItems());
 895 }
 896
 897 void DolphinView::openContextMenu(const QPoint& pos,
 898                                   const QList<QAction*>& customActions)
 899 {
 900     KFileItem item;
 901     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 902     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 903         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 904         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 905     }
 906
 907     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 908     emit requestContextMenu(item, url(), customActions);
 909     m_isContextMenuOpen = false;
 910 }
 911
 912 void DolphinView::dropUrls(const KFileItem& destItem,
 913                            const KUrl& destPath,
 914                            QDropEvent* event)
 915 {
 916     addNewFileNames(event->mimeData());
 917     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 918 }
 919
 920 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 921 {
 922     ViewProperties props(rootUrl());
 923     props.setSorting(sorting);
 924
 925     m_viewAccessor.proxyModel()->setSorting(sorting);
 926
 927     emit sortingChanged(sorting);
 928 }
 929
 930 void DolphinView::updateSortOrder(Qt::SortOrder order)
 931 {
 932     ViewProperties props(rootUrl());
 933     props.setSortOrder(order);
 934
 935     m_viewAccessor.proxyModel()->setSortOrder(order);
 936
 937     emit sortOrderChanged(order);
 938 }
 939
 940 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 941 {
 942     ViewProperties props(rootUrl());
 943     props.setSortFoldersFirst(foldersFirst);
 944
 945     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 946
 947     emit sortFoldersFirstChanged(foldersFirst);
 948 }
 949
 950 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 951 {
 952     ViewProperties props(rootUrl());
 953     props.setAdditionalInfo(info);
 954     props.save();
 955
 956     m_viewAccessor.itemDelegate()->setShowInformation(info);
 957
 958     emit additionalInfoChanged();
 959 }
 960
 961 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 962 {
 963     const bool enable = (m_mode == DolphinView::DetailsView) ||
 964                         (m_mode == DolphinView::IconsView);
 965
 966     QAction* showSizeInfo = collection->action("show_size_info");
 967     QAction* showDateInfo = collection->action("show_date_info");
 968     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 969     QAction* showOwnerInfo = collection->action("show_owner_info");
 970     QAction* showGroupInfo = collection->action("show_group_info");
 971     QAction* showMimeInfo = collection->action("show_mime_info");
 972
 973     showSizeInfo->setChecked(false);
 974     showDateInfo->setChecked(false);
 975     showPermissionsInfo->setChecked(false);
 976     showOwnerInfo->setChecked(false);
 977     showGroupInfo->setChecked(false);
 978     showMimeInfo->setChecked(false);
 979
 980     showSizeInfo->setEnabled(enable);
 981     showDateInfo->setEnabled(enable);
 982     showPermissionsInfo->setEnabled(enable);
 983     showOwnerInfo->setEnabled(enable);
 984     showGroupInfo->setEnabled(enable);
 985     showMimeInfo->setEnabled(enable);
 986
 987     foreach (KFileItemDelegate::Information info, m_viewAccessor.itemDelegate()->showInformation()) {
 988         switch (info) {
 989         case KFileItemDelegate::Size:
 990             showSizeInfo->setChecked(true);
 991             break;
 992         case KFileItemDelegate::ModificationTime:
 993             showDateInfo->setChecked(true);
 994             break;
 995         case KFileItemDelegate::Permissions:
 996             showPermissionsInfo->setChecked(true);
 997             break;
 998         case KFileItemDelegate::Owner:
 999             showOwnerInfo->setChecked(true);
1000             break;
1001         case KFileItemDelegate::OwnerAndGroup:
1002             showGroupInfo->setChecked(true);
1003             break;
1004         case KFileItemDelegate::FriendlyMimeType:
1005             showMimeInfo->setChecked(true);
1006             break;
1007         default:
1008             break;
1009         }
1010     }
1011 }
1012
1013 QPair<bool, QString> DolphinView::pasteInfo() const
1014 {
1015     return KonqOperations::pasteInfo(url());
1016 }
1017
1018 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1019 {
1020     m_tabsForFiles = tabsForFiles;
1021 }
1022
1023 bool DolphinView::isTabsForFilesEnabled() const
1024 {
1025     return m_tabsForFiles;
1026 }
1027
1028 void DolphinView::activateItem(const KUrl& url)
1029 {
1030     // TODO: If DolphinViewContainer uses DolphinView::restoreState(...) to restore the
1031     // view state in KDE 4.5, this function can be removed.
1032     m_activeItemUrl = url;
1033 }
1034
1035 bool DolphinView::itemsExpandable() const
1036 {
1037     return m_viewAccessor.itemsExpandable();
1038 }
1039
1040 void DolphinView::restoreState(QDataStream& stream)
1041 {
1042     // current item
1043     stream >> m_activeItemUrl;
1044
1045     // view position
1046     stream >> m_restoredContentsPosition;
1047
1048     // expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1049     QSet<KUrl> urlsToExpand;
1050     stream >> urlsToExpand;
1051     const DolphinDetailsViewExpander* expander = m_viewAccessor.setExpandedUrls(urlsToExpand);
1052     if (expander != 0) {
1053         m_expanderActive = true;
1054         connect (expander, SIGNAL(completed()), this, SLOT(slotLoadingCompleted()));
1055     }
1056     else {
1057         m_expanderActive = false;
1058     }
1059 }
1060
1061 void DolphinView::saveState(QDataStream& stream)
1062 {
1063     // current item
1064     KFileItem currentItem;
1065     const QAbstractItemView* view = m_viewAccessor.itemView();
1066
1067     if (view != 0) {
1068         const QModelIndex proxyIndex = view->currentIndex();
1069         const QModelIndex dirModelIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1070         currentItem = m_viewAccessor.dirModel()->itemForIndex(dirModelIndex);
1071     }
1072
1073     KUrl currentUrl;
1074     if (!currentItem.isNull()) {
1075         currentUrl = currentItem.url();
1076     }
1077
1078     stream << currentUrl;
1079
1080     // view position
1081     const int x = view->horizontalScrollBar()->value();
1082     const int y = view->verticalScrollBar()->value();
1083     stream << QPoint(x, y);
1084
1085     // expanded folders (only relevant for the details view - the set will be empty in other view modes)
1086     stream << m_viewAccessor.expandedUrls();
1087 }
1088
1089 void DolphinView::observeCreatedItem(const KUrl& url)
1090 {
1091     m_createdItemUrl = url;
1092     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1093             this, SLOT(selectAndScrollToCreatedItem()));
1094 }
1095
1096 void DolphinView::selectAndScrollToCreatedItem()
1097 {
1098     const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1099     if (dirIndex.isValid()) {
1100         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1101         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1102     }
1103
1104     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1105                this, SLOT(selectAndScrollToCreatedItem()));
1106     m_createdItemUrl = KUrl();
1107 }
1108
1109 void DolphinView::showHoverInformation(const KFileItem& item)
1110 {
1111     emit requestItemInfo(item);
1112 }
1113
1114 void DolphinView::clearHoverInformation()
1115 {
1116     emit requestItemInfo(KFileItem());
1117 }
1118
1119 void DolphinView::slotDeleteFileFinished(KJob* job)
1120 {
1121     if (job->error() == 0) {
1122         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1123     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1124         emit errorMessage(job->errorString());
1125     }
1126 }
1127
1128 void DolphinView::slotRequestUrlChange(const KUrl& url)
1129 {
1130     emit requestUrlChange(url);
1131     m_controller->setUrl(url);
1132 }
1133
1134 void DolphinView::slotDirListerCompleted()
1135 {
1136     if (!m_expanderActive) {
1137         slotLoadingCompleted();
1138     }
1139
1140     if (!m_newFileNames.isEmpty()) {
1141         // select all newly added items created by a paste operation or
1142         // a drag & drop operation
1143         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1144         QItemSelection selection;
1145         for (int row = 0; row < rowCount; ++row) {
1146             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1147             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1148             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1149             if (m_newFileNames.contains(url.fileName())) {
1150                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1151             }
1152         }
1153         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1154
1155         m_newFileNames.clear();
1156     }
1157 }
1158
1159 void DolphinView::slotLoadingCompleted()
1160 {
1161     m_expanderActive = false;
1162     m_loadingDirectory = false;
1163
1164     if (!m_activeItemUrl.isEmpty()) {
1165         // assure that the current item remains visible
1166         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1167         if (dirIndex.isValid()) {
1168             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1169             QAbstractItemView* view = m_viewAccessor.itemView();
1170             const bool clearSelection = !hasSelection();
1171             view->setCurrentIndex(proxyIndex);
1172             if (clearSelection) {
1173                 view->clearSelection();
1174             }
1175             m_activeItemUrl.clear();
1176         }
1177     }
1178
1179     if (!m_selectedItems.isEmpty()) {
1180         const KUrl& baseUrl = url();
1181         KUrl url;
1182         QItemSelection newSelection;
1183         foreach(const KFileItem& item, m_selectedItems) {
1184             url = item.url().upUrl();
1185             if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
1186                 QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
1187                 newSelection.select(index, index);
1188             }
1189         }
1190         m_viewAccessor.itemView()->selectionModel()->select(newSelection,
1191                                                             QItemSelectionModel::ClearAndSelect
1192                                                             | QItemSelectionModel::Current);
1193         m_selectedItems.clear();
1194     }
1195
1196     // Restore the contents position. This has to be done using a Qt::QueuedConnection
1197     // because the view might not be in its final state yet.
1198     QMetaObject::invokeMethod(this, "restoreContentsPosition", Qt::QueuedConnection);
1199 }
1200
1201 void DolphinView::slotRefreshItems()
1202 {
1203     if (m_assureVisibleCurrentIndex) {
1204         m_assureVisibleCurrentIndex = false;
1205         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1206     }
1207 }
1208
1209 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1210 {
1211     if (!url.isValid()) {
1212         const QString location(url.pathOrUrl());
1213         if (location.isEmpty()) {
1214             emit errorMessage(i18nc("@info:status", "The location is empty."));
1215         } else {
1216             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1217         }
1218         return;
1219     }
1220
1221     m_loadingDirectory = true;
1222     m_expanderActive = false;
1223
1224     KDirLister* dirLister = m_viewAccessor.dirLister();
1225     dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1226
1227     KDirLister* rootDirLister = m_viewAccessor.rootDirLister();
1228     if (dirLister != rootDirLister) {
1229         // In the case of the column view the root directory lister can be different. Assure
1230         // that it gets synchronized (clients from DolphinView are not aware that internally
1231         // different directory listers are used).
1232         rootDirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1233     }
1234 }
1235
1236 void DolphinView::applyViewProperties()
1237 {
1238     if (m_ignoreViewProperties) {
1239         return;
1240     }
1241
1242     const ViewProperties props(rootUrl());
1243
1244     const Mode mode = props.viewMode();
1245     if (m_mode != mode) {
1246         const int oldZoomLevel = m_controller->zoomLevel();
1247
1248         m_mode = mode;
1249         createView();
1250         emit modeChanged();
1251
1252         updateZoomLevel(oldZoomLevel);
1253     }
1254     if (m_viewAccessor.itemView() == 0) {
1255         createView();
1256     }
1257     Q_ASSERT(m_viewAccessor.itemView() != 0);
1258     Q_ASSERT(m_viewAccessor.itemDelegate() != 0);
1259
1260     const bool showHiddenFiles = props.showHiddenFiles();
1261     if (showHiddenFiles != m_viewAccessor.dirLister()->showingDotFiles()) {
1262         m_viewAccessor.dirLister()->setShowingDotFiles(showHiddenFiles);
1263         emit showHiddenFilesChanged();
1264     }
1265
1266     m_storedCategorizedSorting = props.categorizedSorting();
1267     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1268     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1269         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1270         emit categorizedSortingChanged();
1271     }
1272
1273     const DolphinView::Sorting sorting = props.sorting();
1274     if (sorting != m_viewAccessor.proxyModel()->sorting()) {
1275         m_viewAccessor.proxyModel()->setSorting(sorting);
1276         emit sortingChanged(sorting);
1277     }
1278
1279     const Qt::SortOrder sortOrder = props.sortOrder();
1280     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1281         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1282         emit sortOrderChanged(sortOrder);
1283     }
1284
1285     const bool sortFoldersFirst = props.sortFoldersFirst();
1286     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1287         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1288         emit sortFoldersFirstChanged(sortFoldersFirst);
1289     }
1290
1291     KFileItemDelegate::InformationList info = props.additionalInfo();
1292     if (info != m_viewAccessor.itemDelegate()->showInformation()) {
1293         m_viewAccessor.itemDelegate()->setShowInformation(info);
1294         emit additionalInfoChanged();
1295     }
1296
1297     const bool showPreview = props.showPreview();
1298     if (showPreview != m_showPreview) {
1299         m_showPreview = showPreview;
1300         const int oldZoomLevel = m_controller->zoomLevel();
1301         emit showPreviewChanged();
1302
1303         // Enabling or disabling the preview might change the icon size of the view.
1304         // As the view does not emit a signal when the icon size has been changed,
1305         // the used zoom level of the controller must be adjusted manually:
1306         updateZoomLevel(oldZoomLevel);
1307     }
1308
1309     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1310         // During the lifetime of a DolphinView instance the global view properties
1311         // should not be changed. This allows e. g. to split a view and use different
1312         // view properties for each view.
1313         m_ignoreViewProperties = true;
1314     }
1315 }
1316
1317 void DolphinView::createView()
1318 {
1319     deleteView();
1320
1321     Q_ASSERT(m_viewAccessor.itemView() == 0);
1322     m_viewAccessor.createView(this, m_controller, m_mode);
1323
1324     QAbstractItemView* view = m_viewAccessor.itemView();
1325     Q_ASSERT(view != 0);
1326     view->installEventFilter(this);
1327     view->viewport()->installEventFilter(this);
1328
1329     m_controller->setItemView(view);
1330
1331     // When changing the view mode, the selection is lost due to reinstantiating
1332     // a new item view with a custom selection model. Pass the ownership of the
1333     // selection model to DolphinView, so that it can be shared by all item views.
1334     if (m_selectionModel != 0) {
1335         view->setSelectionModel(m_selectionModel);
1336     } else {
1337         m_selectionModel = view->selectionModel();
1338     }
1339     m_selectionModel->setParent(this);
1340     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1341             this, SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
1342
1343     setFocusProxy(m_viewAccessor.layoutTarget());
1344     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
1345 }
1346
1347 void DolphinView::deleteView()
1348 {
1349     QAbstractItemView* view = m_viewAccessor.itemView();
1350     if (view != 0) {
1351         // It's important to set the keyboard focus to the parent
1352         // before deleting the view: Otherwise when having a split
1353         // view the other view will get the focus and will request
1354         // an activation (see DolphinView::eventFilter()).
1355         setFocusProxy(0);
1356         setFocus();
1357
1358         m_topLayout->removeWidget(view);
1359         view->close();
1360
1361         // disconnect all signal/slots
1362         disconnect(view);
1363         m_controller->disconnect(view);
1364         view->disconnect();
1365
1366         m_viewAccessor.deleteView();
1367     }
1368 }
1369
1370 void DolphinView::pasteToUrl(const KUrl& url)
1371 {
1372     addNewFileNames(QApplication::clipboard()->mimeData());
1373     KonqOperations::doPaste(this, url);
1374 }
1375
1376 void DolphinView::updateZoomLevel(int oldZoomLevel)
1377 {
1378     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1379     if (oldZoomLevel != newZoomLevel) {
1380         m_controller->setZoomLevel(newZoomLevel);
1381         emit zoomLevelChanged(newZoomLevel);
1382     }
1383 }
1384
1385 KUrl::List DolphinView::simplifiedSelectedUrls() const
1386 {
1387     KUrl::List list = selectedUrls();
1388     if (itemsExpandable() ) {
1389         list = KDirModel::simplifiedUrlList(list);
1390     }
1391     return list;
1392 }
1393
1394 QMimeData* DolphinView::selectionMimeData() const
1395 {
1396     const QAbstractItemView* view = m_viewAccessor.itemView();
1397     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1398     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
1399     return m_viewAccessor.dirModel()->mimeData(selection.indexes());
1400 }
1401
1402 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1403 {
1404     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1405     foreach (const KUrl& url, urls) {
1406         m_newFileNames.insert(url.fileName());
1407     }
1408 }
1409
1410 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
1411     m_iconsView(0),
1412     m_detailsView(0),
1413     m_columnsContainer(0),
1414     m_proxyModel(proxyModel),
1415     m_dragSource(0)
1416 {
1417 }
1418
1419 DolphinView::ViewAccessor::~ViewAccessor()
1420 {
1421     delete m_dragSource;
1422     m_dragSource = 0;
1423 }
1424
1425 void DolphinView::ViewAccessor::createView(QWidget* parent,
1426                                            DolphinController* controller,
1427                                            Mode mode)
1428 {
1429     Q_ASSERT(itemView() == 0);
1430
1431     switch (mode) {
1432     case IconsView:
1433         m_iconsView = new DolphinIconsView(parent, controller, m_proxyModel);
1434         break;
1435
1436     case DetailsView:
1437         m_detailsView = new DolphinDetailsView(parent, controller, m_proxyModel);
1438         break;
1439
1440     case ColumnView:
1441         m_columnsContainer = new DolphinColumnViewContainer(parent, controller);
1442         break;
1443
1444     default:
1445         Q_ASSERT(false);
1446     }
1447 }
1448
1449 void DolphinView::ViewAccessor::deleteView()
1450 {
1451     QAbstractItemView* view = itemView();
1452     if (view != 0) {
1453         if (DragAndDropHelper::instance().isDragSource(view)) {
1454             // The view is a drag source (the feature "Open folders
1455             // during drag operations" is used). Deleting the view
1456             // during an ongoing drag operation is not allowed, so
1457             // this will postponed.
1458             if (m_dragSource != 0) {
1459                 // the old stored view is obviously not the drag source anymore
1460                 m_dragSource->deleteLater();
1461                 m_dragSource = 0;
1462             }
1463             view->hide();
1464             m_dragSource = view;
1465         } else {
1466             view->deleteLater();
1467         }
1468     }
1469
1470     m_iconsView = 0;
1471     m_detailsView = 0;
1472
1473     if (m_columnsContainer != 0) {
1474         m_columnsContainer->deleteLater();
1475     }
1476     m_columnsContainer = 0;
1477 }
1478
1479
1480 void DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1481 {
1482     if (m_columnsContainer != 0) {
1483         m_columnsContainer->showColumn(url);
1484     }
1485
1486     if(!m_detailsViewExpander.isNull()) {
1487         // stop expanding items in the current folder
1488         m_detailsViewExpander->stop();
1489     }
1490 }
1491
1492 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1493 {
1494     if (m_iconsView != 0) {
1495         return m_iconsView;
1496     }
1497
1498     if (m_detailsView != 0) {
1499         return m_detailsView;
1500     }
1501
1502     if (m_columnsContainer != 0) {
1503         return m_columnsContainer->activeColumn();
1504     }
1505
1506     return 0;
1507 }
1508
1509 KFileItemDelegate* DolphinView::ViewAccessor::itemDelegate() const
1510 {
1511     return static_cast<KFileItemDelegate*>(itemView()->itemDelegate());
1512 }
1513
1514 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1515 {
1516     if (m_columnsContainer != 0) {
1517         return m_columnsContainer;
1518     }
1519     return itemView();
1520 }
1521
1522 KUrl DolphinView::ViewAccessor::rootUrl() const
1523 {
1524     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1525 }
1526
1527 KDirLister* DolphinView::ViewAccessor::rootDirLister() const
1528 {
1529     return static_cast<DolphinModel*>(m_proxyModel->sourceModel())->dirLister();
1530 }
1531
1532 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1533 {
1534     return m_iconsView != 0;
1535 }
1536
1537 bool DolphinView::ViewAccessor::itemsExpandable() const
1538 {
1539     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1540 }
1541
1542
1543 QSet<KUrl> DolphinView::ViewAccessor::expandedUrls() const
1544 {
1545     if (m_detailsView != 0) {
1546         return m_detailsView->expandedUrls();
1547     }
1548
1549     return QSet<KUrl>();
1550 }
1551
1552 const DolphinDetailsViewExpander* DolphinView::ViewAccessor::setExpandedUrls(const QSet<KUrl>& urlsToExpand)
1553 {
1554     if ((m_detailsView != 0) && m_detailsView->itemsExpandable() && !urlsToExpand.isEmpty()) {
1555         m_detailsViewExpander = new DolphinDetailsViewExpander(m_detailsView, urlsToExpand);
1556         return m_detailsViewExpander;
1557     }
1558     else {
1559         return 0;
1560     }
1561 }
1562
1563 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1564 {
1565     // the details view requires no reloading of the directory, as it maps
1566     // the file item delegate info to its columns internally
1567     return m_detailsView != 0;
1568 }
1569
1570 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1571 {
1572     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1573 }
1574
1575 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1576 {
1577     if (m_columnsContainer != 0) {
1578         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1579     }
1580     return m_proxyModel;
1581 }
1582
1583 KDirLister* DolphinView::ViewAccessor::dirLister() const
1584 {
1585     return dirModel()->dirLister();
1586 }
1587
1588 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1589 {
1590     emit redirection(oldUrl, newUrl);
1591     m_controller->redirectToUrl(newUrl); // #186947
1592 }
1593
1594 void DolphinView::restoreContentsPosition()
1595 {
1596     if (!m_restoredContentsPosition.isNull()) {
1597         const int x = m_restoredContentsPosition.x();
1598         const int y = m_restoredContentsPosition.y();
1599         m_restoredContentsPosition = QPoint();
1600
1601         QAbstractItemView* view = m_viewAccessor.itemView();
1602         Q_ASSERT(view != 0);
1603         view->horizontalScrollBar()->setValue(x);
1604         view->verticalScrollBar()->setValue(y);
1605
1606         m_loadingDirectory = false;
1607     }
1608 }
1609
1610 #include "dolphinview.moc"