src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 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 <QApplication>
  24 #include <QClipboard>
  25 #include <QKeyEvent>
  26 #include <QItemSelection>
  27 #include <QBoxLayout>
  28 #include <QTimer>
  29 #include <QScrollBar>
  30
  31 #include <kactioncollection.h>
  32 #include <kcolorscheme.h>
  33 #include <kdirlister.h>
  34 #include <kfilepreviewgenerator.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 "folderexpander.h"
  64 #include "renamedialog.h"
  65 #include "tooltips/tooltipmanager.h"
  66 #include "settings/dolphinsettings.h"
  67 #include "versioncontrolobserver.h"
  68 #include "viewproperties.h"
  69 #include "zoomlevelinfo.h"
  70
  71 /**
  72  * Helper function for sorting items with qSort() in
  73  * DolphinView::renameSelectedItems().
  74  */
  75 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  76 {
  77     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  78 }
  79
  80 DolphinView::DolphinView(QWidget* parent,
  81                          const KUrl& url,
  82                          DolphinSortFilterProxyModel* proxyModel) :
  83     QWidget(parent),
  84     m_active(true),
  85     m_showPreview(false),
  86     m_loadingDirectory(false),
  87     m_storedCategorizedSorting(false),
  88     m_tabsForFiles(false),
  89     m_isContextMenuOpen(false),
  90     m_ignoreViewProperties(false),
  91     m_assureVisibleCurrentIndex(false),
  92     m_mode(DolphinView::IconsView),
  93     m_topLayout(0),
  94     m_controller(0),
  95     m_fileItemDelegate(0),
  96     m_viewAccessor(proxyModel),
  97     m_selectionModel(0),
  98     m_selectionChangedTimer(0),
  99     m_previewGenerator(0),
 100     m_toolTipManager(0),
 101     m_versionControlObserver(0),
 102     m_rootUrl(),
 103     m_activeItemUrl(),
 104     m_createdItemUrl(),
 105     m_selectedItems(),
 106     m_newFileNames(),
 107     m_expandedDragSource(0)
 108 {
 109     m_topLayout = new QVBoxLayout(this);
 110     m_topLayout->setSpacing(0);
 111     m_topLayout->setMargin(0);
 112
 113     m_controller = new DolphinController(this);
 114     m_controller->setUrl(url);
 115
 116     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 117             this, SIGNAL(urlChanged(const KUrl&)));
 118     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 119             this, SLOT(slotRequestUrlChange(const KUrl&)));
 120
 121     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 122             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 123     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 124             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 125     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 126             this, SLOT(updateSorting(DolphinView::Sorting)));
 127     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 128             this, SLOT(updateSortOrder(Qt::SortOrder)));
 129     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 130             this, SLOT(updateSortFoldersFirst(bool)));
 131     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 132             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 133     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 134             this, SLOT(triggerItem(const KFileItem&)));
 135     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 136             this, SIGNAL(tabRequested(const KUrl&)));
 137     connect(m_controller, SIGNAL(activated()),
 138             this, SLOT(activate()));
 139     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 140             this, SLOT(showHoverInformation(const KFileItem&)));
 141     connect(m_controller, SIGNAL(viewportEntered()),
 142             this, SLOT(clearHoverInformation()));
 143
 144     KDirLister* dirLister = m_viewAccessor.dirLister();
 145     connect(dirLister, SIGNAL(redirection(KUrl, KUrl)),
 146             this, SIGNAL(redirection(KUrl, KUrl)));
 147     connect(dirLister, SIGNAL(completed()),
 148             this, SLOT(slotDirListerCompleted()));
 149     connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 150             this, SLOT(slotRefreshItems()));
 151
 152     // When a new item has been created by the "Create New..." menu, the item should
 153     // get selected and it must be assured that the item will get visible. As the
 154     // creation is done asynchronously, several signals must be checked:
 155     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 156             this, SLOT(observeCreatedItem(const KUrl&)));
 157
 158     applyViewProperties();
 159     m_topLayout->addWidget(m_viewAccessor.itemView());
 160 }
 161
 162 DolphinView::~DolphinView()
 163 {
 164     delete m_expandedDragSource;
 165     m_expandedDragSource = 0;
 166 }
 167
 168 const KUrl& DolphinView::url() const
 169 {
 170     return m_controller->url();
 171 }
 172
 173 KUrl DolphinView::rootUrl() const
 174 {
 175     const KUrl viewUrl = url();
 176     const KUrl root = m_viewAccessor.rootUrl();
 177     if (root.isEmpty() || !root.isParentOf(viewUrl)) {
 178         return viewUrl;
 179     }
 180     return root;
 181 }
 182
 183 void DolphinView::setActive(bool active)
 184 {
 185     if (active == m_active) {
 186         return;
 187     }
 188
 189     m_active = active;
 190
 191     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 192     if (active) {
 193         emitSelectionChangedSignal();
 194     } else {
 195         color.setAlpha(150);
 196     }
 197
 198     QWidget* viewport = m_viewAccessor.itemView()->viewport();
 199     QPalette palette;
 200     palette.setColor(viewport->backgroundRole(), color);
 201     viewport->setPalette(palette);
 202
 203     update();
 204
 205     if (active) {
 206         m_viewAccessor.itemView()->setFocus();
 207         emit activated();
 208     }
 209
 210     m_controller->indicateActivationChange(active);
 211 }
 212
 213 bool DolphinView::isActive() const
 214 {
 215     return m_active;
 216 }
 217
 218 void DolphinView::setMode(Mode mode)
 219 {
 220     if (mode == m_mode) {
 221         return; // the wished mode is already set
 222     }
 223
 224     const int oldZoomLevel = m_controller->zoomLevel();
 225     m_mode = mode;
 226
 227     deleteView();
 228
 229     const KUrl viewPropsUrl = rootUrl();
 230     ViewProperties props(viewPropsUrl);
 231     props.setViewMode(m_mode);
 232     createView();
 233
 234     // the file item delegate has been recreated, apply the current
 235     // additional information manually
 236     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 237     m_fileItemDelegate->setShowInformation(infoList);
 238     emit additionalInfoChanged();
 239
 240     // Not all view modes support categorized sorting. Adjust the sorting model
 241     // if changing the view mode results in a change of the categorized sorting
 242     // capabilities.
 243     m_storedCategorizedSorting = props.categorizedSorting();
 244     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 245     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
 246         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 247         emit categorizedSortingChanged();
 248     }
 249
 250     emit modeChanged();
 251
 252     updateZoomLevel(oldZoomLevel);
 253     if (m_showPreview) {
 254         loadDirectory(viewPropsUrl);
 255     }
 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 void DolphinView::selectAll()
 291 {
 292     QAbstractItemView* view = m_viewAccessor.itemView();
 293     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 294     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 295     // selection instead of selecting all items. This is bypassed for KDE 4.0
 296     // by invoking clearSelection() first.
 297     view->clearSelection();
 298     view->selectAll();
 299 }
 300
 301 void DolphinView::invertSelection()
 302 {
 303     QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
 304     const QAbstractItemModel* itemModel = selectionModel->model();
 305
 306     const QModelIndex topLeft = itemModel->index(0, 0);
 307     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 308                                                      itemModel->columnCount() - 1);
 309
 310     const QItemSelection selection(topLeft, bottomRight);
 311     selectionModel->select(selection, QItemSelectionModel::Toggle);
 312 }
 313
 314 bool DolphinView::hasSelection() const
 315 {
 316     return m_viewAccessor.itemView()->selectionModel()->hasSelection();
 317 }
 318
 319 void DolphinView::clearSelection()
 320 {
 321     QItemSelectionModel* selModel = m_viewAccessor.itemView()->selectionModel();
 322     const QModelIndex currentIndex = selModel->currentIndex();
 323     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 324                                             QItemSelectionModel::Clear);
 325     m_selectedItems.clear();
 326 }
 327
 328 KFileItemList DolphinView::selectedItems() const
 329 {
 330     const QAbstractItemView* view = m_viewAccessor.itemView();
 331
 332     // Our view has a selection, we will map them back to the DolphinModel
 333     // and then fill the KFileItemList.
 334     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 335
 336     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
 337     KFileItemList itemList;
 338
 339     const QModelIndexList indexList = selection.indexes();
 340     foreach (const QModelIndex &index, indexList) {
 341         KFileItem item = m_viewAccessor.dirModel()->itemForIndex(index);
 342         if (!item.isNull()) {
 343             itemList.append(item);
 344         }
 345     }
 346
 347     return itemList;
 348 }
 349
 350 KUrl::List DolphinView::selectedUrls() const
 351 {
 352     KUrl::List urls;
 353     const KFileItemList list = selectedItems();
 354     foreach (const KFileItem &item, list) {
 355         urls.append(item.url());
 356     }
 357     return urls;
 358 }
 359
 360 int DolphinView::selectedItemsCount() const
 361 {
 362     return m_viewAccessor.itemView()->selectionModel()->selectedIndexes().count();
 363 }
 364
 365 void DolphinView::setContentsPosition(int x, int y)
 366 {
 367     QAbstractItemView* view = m_viewAccessor.itemView();
 368     view->horizontalScrollBar()->setValue(x);
 369     view->verticalScrollBar()->setValue(y);
 370
 371     m_loadingDirectory = false;
 372 }
 373
 374 QPoint DolphinView::contentsPosition() const
 375 {
 376     const int x = m_viewAccessor.itemView()->horizontalScrollBar()->value();
 377     const int y = m_viewAccessor.itemView()->verticalScrollBar()->value();
 378     return QPoint(x, y);
 379 }
 380
 381 void DolphinView::setZoomLevel(int level)
 382 {
 383     if (level < ZoomLevelInfo::minimumLevel()) {
 384         level = ZoomLevelInfo::minimumLevel();
 385     } else if (level > ZoomLevelInfo::maximumLevel()) {
 386         level = ZoomLevelInfo::maximumLevel();
 387     }
 388
 389     if (level != zoomLevel()) {
 390         m_controller->setZoomLevel(level);
 391         m_previewGenerator->updateIcons();
 392         emit zoomLevelChanged(level);
 393     }
 394 }
 395
 396 int DolphinView::zoomLevel() const
 397 {
 398     return m_controller->zoomLevel();
 399 }
 400
 401 void DolphinView::setSorting(Sorting sorting)
 402 {
 403     if (sorting != this->sorting()) {
 404         updateSorting(sorting);
 405     }
 406 }
 407
 408 DolphinView::Sorting DolphinView::sorting() const
 409 {
 410     return m_viewAccessor.proxyModel()->sorting();
 411 }
 412
 413 void DolphinView::setSortOrder(Qt::SortOrder order)
 414 {
 415     if (sortOrder() != order) {
 416         updateSortOrder(order);
 417     }
 418 }
 419
 420 Qt::SortOrder DolphinView::sortOrder() const
 421 {
 422     return m_viewAccessor.proxyModel()->sortOrder();
 423 }
 424
 425 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 426 {
 427     if (sortFoldersFirst() != foldersFirst) {
 428         updateSortFoldersFirst(foldersFirst);
 429     }
 430 }
 431
 432 bool DolphinView::sortFoldersFirst() const
 433 {
 434     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 435 }
 436
 437 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 438 {
 439     const KUrl viewPropsUrl = rootUrl();
 440     ViewProperties props(viewPropsUrl);
 441     props.setAdditionalInfo(info);
 442     m_fileItemDelegate->setShowInformation(info);
 443
 444     emit additionalInfoChanged();
 445
 446     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 447         loadDirectory(viewPropsUrl);
 448     }
 449 }
 450
 451 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 452 {
 453     return m_fileItemDelegate->showInformation();
 454 }
 455
 456 void DolphinView::reload()
 457 {
 458     setUrl(url());
 459     loadDirectory(url(), true);
 460 }
 461
 462 void DolphinView::refresh()
 463 {
 464     m_ignoreViewProperties = false;
 465
 466     const bool oldActivationState = m_active;
 467     const int oldZoomLevel = m_controller->zoomLevel();
 468     m_active = true;
 469
 470     createView();
 471     applyViewProperties();
 472     reload();
 473
 474     setActive(oldActivationState);
 475     updateZoomLevel(oldZoomLevel);
 476 }
 477
 478 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 479 {
 480     Q_UNUSED(rootUrl); // TODO: remove after columnview-cleanup has been finished
 481
 482     if (m_controller->url() == url) {
 483         return;
 484     }
 485
 486     m_previewGenerator->cancelPreviews();
 487     m_controller->setUrl(url); // emits urlChanged, which we forward
 488     if (m_viewAccessor.prepareUrlChange(url)) {
 489         initializeView();
 490     }
 491     applyViewProperties();
 492     loadDirectory(url);
 493
 494     // When changing the URL there is no need to keep the version
 495     // data of the previous URL.
 496     m_viewAccessor.dirModel()->clearVersionData();
 497
 498     emit startedPathLoading(url);
 499 }
 500
 501 void DolphinView::setNameFilter(const QString& nameFilter)
 502 {
 503     m_controller->setNameFilter(nameFilter);
 504 }
 505
 506 void DolphinView::calculateItemCount(int& fileCount,
 507                                      int& folderCount,
 508                                      KIO::filesize_t& totalFileSize) const
 509 {
 510     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 511         if (item.isDir()) {
 512             ++folderCount;
 513         } else {
 514             ++fileCount;
 515             totalFileSize += item.size();
 516         }
 517     }
 518 }
 519
 520 QString DolphinView::statusBarText() const
 521 {
 522     QString text;
 523     int folderCount = 0;
 524     int fileCount = 0;
 525     KIO::filesize_t totalFileSize = 0;
 526
 527     if (hasSelection()) {
 528         // give a summary of the status of the selected files
 529         const KFileItemList list = selectedItems();
 530         if (list.isEmpty()) {
 531             // when an item is triggered, it is temporary selected but selectedItems()
 532             // will return an empty list
 533             return text;
 534         }
 535
 536         KFileItemList::const_iterator it = list.begin();
 537         const KFileItemList::const_iterator end = list.end();
 538         while (it != end) {
 539             const KFileItem& item = *it;
 540             if (item.isDir()) {
 541                 ++folderCount;
 542             } else {
 543                 ++fileCount;
 544                 totalFileSize += item.size();
 545             }
 546             ++it;
 547         }
 548
 549         if (folderCount + fileCount == 1) {
 550             // if only one item is selected, show the filename
 551             const QString name = list.first().name();
 552             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 553                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 554                                               name, KIO::convertSize(totalFileSize));
 555         } else {
 556             // at least 2 items are selected
 557             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 558             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 559             if ((folderCount > 0) && (fileCount > 0)) {
 560                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 561                              foldersText, filesText, KIO::convertSize(totalFileSize));
 562             } else if (fileCount > 0) {
 563                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 564             } else {
 565                 Q_ASSERT(folderCount > 0);
 566                 text = foldersText;
 567             }
 568         }
 569     } else {
 570         calculateItemCount(fileCount, folderCount, totalFileSize);
 571         text = KIO::itemsSummaryString(fileCount + folderCount,
 572                                        fileCount, folderCount,
 573                                        totalFileSize, true);
 574     }
 575
 576     return text;
 577 }
 578
 579 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 580 {
 581     return items.isEmpty()
 582            ? m_versionControlObserver->contextMenuActions(url().path(KUrl::AddTrailingSlash))
 583            : m_versionControlObserver->contextMenuActions(items);
 584 }
 585
 586 void DolphinView::setUrl(const KUrl& url)
 587 {
 588     m_newFileNames.clear();
 589     updateView(url, KUrl());
 590 }
 591
 592 void DolphinView::changeSelection(const KFileItemList& selection)
 593 {
 594     clearSelection();
 595     if (selection.isEmpty()) {
 596         return;
 597     }
 598     const KUrl& baseUrl = url();
 599     KUrl url;
 600     QItemSelection newSelection;
 601     foreach(const KFileItem& item, selection) {
 602         url = item.url().upUrl();
 603         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 604             QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
 605             newSelection.select(index, index);
 606         }
 607     }
 608     m_viewAccessor.itemView()->selectionModel()->select(newSelection,
 609                                          QItemSelectionModel::ClearAndSelect
 610                                          | QItemSelectionModel::Current);
 611 }
 612
 613 void DolphinView::renameSelectedItems()
 614 {
 615     KFileItemList items = selectedItems();
 616     const int itemCount = items.count();
 617     if (itemCount < 1) {
 618         return;
 619     }
 620
 621     if (itemCount > 1) {
 622         // More than one item has been selected for renaming. Open
 623         // a rename dialog and rename all items afterwards.
 624         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 625         if (dialog->exec() == QDialog::Rejected) {
 626             delete dialog;
 627             return;
 628         }
 629
 630         const QString newName = dialog->newName();
 631         if (newName.isEmpty()) {
 632             emit errorMessage(dialog->errorString());
 633             delete dialog;
 634             return;
 635         }
 636         delete dialog;
 637
 638         // the selection would be invalid after renaming the items, so just clear
 639         // it before
 640         clearSelection();
 641
 642         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 643         // as one operation instead of n rename operations like it is done now...
 644         Q_ASSERT(newName.contains('#'));
 645
 646         // currently the items are sorted by the selection order, resort
 647         // them by the file name
 648         qSort(items.begin(), items.end(), lessThan);
 649
 650         // iterate through all selected items and rename them...
 651         int index = 1;
 652         foreach (const KFileItem& item, items) {
 653             const KUrl& oldUrl = item.url();
 654             QString number;
 655             number.setNum(index++);
 656
 657             QString name = newName;
 658             name.replace('#', number);
 659
 660             if (oldUrl.fileName() != name) {
 661                 KUrl newUrl = oldUrl;
 662                 newUrl.setFileName(name);
 663                 KonqOperations::rename(this, oldUrl, newUrl);
 664             }
 665         }
 666     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 667         Q_ASSERT(itemCount == 1);
 668         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 669         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 670         m_viewAccessor.itemView()->edit(proxyIndex);
 671     } else {
 672         Q_ASSERT(itemCount == 1);
 673
 674         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 675         if (dialog->exec() == QDialog::Rejected) {
 676             delete dialog;
 677             return;
 678         }
 679
 680         const QString newName = dialog->newName();
 681         if (newName.isEmpty()) {
 682             emit errorMessage(dialog->errorString());
 683             delete dialog;
 684             return;
 685         }
 686         delete dialog;
 687
 688         const KUrl& oldUrl = items.first().url();
 689         KUrl newUrl = oldUrl;
 690         newUrl.setFileName(newName);
 691         KonqOperations::rename(this, oldUrl, newUrl);
 692     }
 693
 694     // assure that the current index remains visible when KDirLister
 695     // will notify the view about changed items
 696     m_assureVisibleCurrentIndex = true;
 697 }
 698
 699 void DolphinView::trashSelectedItems()
 700 {
 701     const KUrl::List list = simplifiedSelectedUrls();
 702     KonqOperations::del(this, KonqOperations::TRASH, list);
 703 }
 704
 705 void DolphinView::deleteSelectedItems()
 706 {
 707     const KUrl::List list = simplifiedSelectedUrls();
 708     const bool del = KonqOperations::askDeleteConfirmation(list,
 709                      KonqOperations::DEL,
 710                      KonqOperations::DEFAULT_CONFIRMATION,
 711                      this);
 712
 713     if (del) {
 714         KIO::Job* job = KIO::del(list);
 715         connect(job, SIGNAL(result(KJob*)),
 716                 this, SLOT(slotDeleteFileFinished(KJob*)));
 717     }
 718 }
 719
 720 void DolphinView::cutSelectedItems()
 721 {
 722     QMimeData* mimeData = selectionMimeData();
 723     KonqMimeData::addIsCutSelection(mimeData, true);
 724     QApplication::clipboard()->setMimeData(mimeData);
 725 }
 726
 727 void DolphinView::copySelectedItems()
 728 {
 729     QMimeData* mimeData = selectionMimeData();
 730     QApplication::clipboard()->setMimeData(mimeData);
 731 }
 732
 733 void DolphinView::paste()
 734 {
 735     pasteToUrl(url());
 736 }
 737
 738 void DolphinView::pasteIntoFolder()
 739 {
 740     const KFileItemList items = selectedItems();
 741     if ((items.count() == 1) && items.first().isDir()) {
 742         pasteToUrl(items.first().url());
 743     }
 744 }
 745
 746 void DolphinView::setShowPreview(bool show)
 747 {
 748     if (m_showPreview == show) {
 749         return;
 750     }
 751
 752     const KUrl viewPropsUrl = rootUrl();
 753     ViewProperties props(viewPropsUrl);
 754     props.setShowPreview(show);
 755
 756     m_showPreview = show;
 757     m_previewGenerator->setPreviewShown(show);
 758
 759     const int oldZoomLevel = m_controller->zoomLevel();
 760     emit showPreviewChanged();
 761
 762     // Enabling or disabling the preview might change the icon size of the view.
 763     // As the view does not emit a signal when the icon size has been changed,
 764     // the used zoom level of the controller must be adjusted manually:
 765     updateZoomLevel(oldZoomLevel);
 766
 767     loadDirectory(viewPropsUrl);
 768 }
 769
 770 void DolphinView::setShowHiddenFiles(bool show)
 771 {
 772     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 773         return;
 774     }
 775
 776     const KUrl viewPropsUrl = rootUrl();
 777     ViewProperties props(viewPropsUrl);
 778     props.setShowHiddenFiles(show);
 779
 780     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 781     emit showHiddenFilesChanged();
 782
 783     loadDirectory(viewPropsUrl);
 784 }
 785
 786 void DolphinView::setCategorizedSorting(bool categorized)
 787 {
 788     if (categorized == categorizedSorting()) {
 789         return;
 790     }
 791
 792     // setCategorizedSorting(true) may only get invoked
 793     // if the view supports categorized sorting
 794     Q_ASSERT(!categorized || supportsCategorizedSorting());
 795
 796     ViewProperties props(rootUrl());
 797     props.setCategorizedSorting(categorized);
 798     props.save();
 799
 800     m_storedCategorizedSorting = categorized;
 801     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 802
 803     emit categorizedSortingChanged();
 804 }
 805
 806 void DolphinView::toggleSortOrder()
 807 {
 808     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 809                                 Qt::DescendingOrder :
 810                                 Qt::AscendingOrder;
 811     setSortOrder(order);
 812 }
 813
 814 void DolphinView::toggleSortFoldersFirst()
 815 {
 816     setSortFoldersFirst(!sortFoldersFirst());
 817 }
 818
 819 void DolphinView::toggleAdditionalInfo(QAction* action)
 820 {
 821     const KFileItemDelegate::Information info =
 822         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 823
 824     KFileItemDelegate::InformationList list = additionalInfo();
 825
 826     const bool show = action->isChecked();
 827
 828     const int index = list.indexOf(info);
 829     const bool containsInfo = (index >= 0);
 830     if (show && !containsInfo) {
 831         list.append(info);
 832         setAdditionalInfo(list);
 833     } else if (!show && containsInfo) {
 834         list.removeAt(index);
 835         setAdditionalInfo(list);
 836         Q_ASSERT(list.indexOf(info) < 0);
 837     }
 838 }
 839
 840 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 841 {
 842     QWidget::mouseReleaseEvent(event);
 843     setActive(true);
 844 }
 845
 846 void DolphinView::wheelEvent(QWheelEvent* event)
 847 {
 848     if (event->modifiers() & Qt::ControlModifier) {
 849         const int delta = event->delta();
 850         const int level = zoomLevel();
 851         if (delta > 0) {
 852             setZoomLevel(level + 1);
 853         } else if (delta < 0) {
 854             setZoomLevel(level - 1);
 855         }
 856         event->accept();
 857     }
 858 }
 859
 860 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 861 {
 862     switch (event->type()) {
 863     case QEvent::FocusIn:
 864         if (watched == m_viewAccessor.itemView()) {
 865             m_controller->requestActivation();
 866         }
 867         break;
 868
 869     case QEvent::MouseButtonPress:
 870         if ((watched == m_viewAccessor.itemView()->viewport()) && (m_expandedDragSource != 0)) {
 871             // Listening to a mousebutton press event to delete expanded views is a
 872             // workaround, as it seems impossible for the FolderExpander to know when
 873             // a dragging outside a view has been finished. However it works quite well:
 874             // A mousebutton press event indicates that a drag operation must be
 875             // finished already.
 876             m_expandedDragSource->deleteLater();
 877             m_expandedDragSource = 0;
 878         }
 879         break;
 880
 881     case QEvent::DragEnter:
 882         if (watched == m_viewAccessor.itemView()->viewport()) {
 883             setActive(true);
 884         }
 885         break;
 886
 887     case QEvent::KeyPress:
 888         if (watched == m_viewAccessor.itemView()) {
 889             if (m_toolTipManager != 0) {
 890                 m_toolTipManager->hideTip();
 891             }
 892
 893             // clear the selection when Escape has been pressed
 894             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 895             if (keyEvent->key() == Qt::Key_Escape) {
 896                 clearSelection();
 897             }
 898         }
 899         break;
 900
 901     default:
 902         break;
 903     }
 904
 905     return QWidget::eventFilter(watched, event);
 906 }
 907
 908 void DolphinView::activate()
 909 {
 910     setActive(true);
 911 }
 912
 913 void DolphinView::triggerItem(const KFileItem& item)
 914 {
 915     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 916     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 917         // items are selected by the user, hence don't trigger the
 918         // item specified by 'index'
 919         return;
 920     }
 921
 922     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 923     if (item.isNull() || m_isContextMenuOpen) {
 924         return;
 925     }
 926
 927     if (m_toolTipManager != 0) {
 928         m_toolTipManager->hideTip();
 929     }
 930     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 931 }
 932
 933 void DolphinView::emitDelayedSelectionChangedSignal()
 934 {
 935     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 936     // that fast selection changes don't result in expensive operations to
 937     // collect all file items for the signal (see DolphinView::selectedItems()).
 938     m_selectionChangedTimer->start();
 939 }
 940
 941 void DolphinView::emitSelectionChangedSignal()
 942 {
 943     emit selectionChanged(DolphinView::selectedItems());
 944 }
 945
 946 void DolphinView::openContextMenu(const QPoint& pos,
 947                                   const QList<QAction*>& customActions)
 948 {
 949     KFileItem item;
 950     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 951     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 952         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 953         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 954     }
 955
 956     if (m_toolTipManager != 0) {
 957         m_toolTipManager->hideTip();
 958     }
 959
 960     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 961     emit requestContextMenu(item, url(), customActions);
 962     m_isContextMenuOpen = false;
 963 }
 964
 965 void DolphinView::dropUrls(const KFileItem& destItem,
 966                            const KUrl& destPath,
 967                            QDropEvent* event)
 968 {
 969     addNewFileNames(event->mimeData());
 970     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 971 }
 972
 973 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 974 {
 975     ViewProperties props(rootUrl());
 976     props.setSorting(sorting);
 977
 978     m_viewAccessor.proxyModel()->setSorting(sorting);
 979
 980     emit sortingChanged(sorting);
 981 }
 982
 983 void DolphinView::updateSortOrder(Qt::SortOrder order)
 984 {
 985     ViewProperties props(rootUrl());
 986     props.setSortOrder(order);
 987
 988     m_viewAccessor.proxyModel()->setSortOrder(order);
 989
 990     emit sortOrderChanged(order);
 991 }
 992
 993 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 994 {
 995     ViewProperties props(rootUrl());
 996     props.setSortFoldersFirst(foldersFirst);
 997
 998     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 999
1000     emit sortFoldersFirstChanged(foldersFirst);
1001 }
1002
1003 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1004 {
1005     ViewProperties props(rootUrl());
1006     props.setAdditionalInfo(info);
1007     props.save();
1008
1009     m_fileItemDelegate->setShowInformation(info);
1010
1011     emit additionalInfoChanged();
1012 }
1013
1014 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1015 {
1016     const bool enable = (m_mode == DolphinView::DetailsView) ||
1017                         (m_mode == DolphinView::IconsView);
1018
1019     QAction* showSizeInfo = collection->action("show_size_info");
1020     QAction* showDateInfo = collection->action("show_date_info");
1021     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1022     QAction* showOwnerInfo = collection->action("show_owner_info");
1023     QAction* showGroupInfo = collection->action("show_group_info");
1024     QAction* showMimeInfo = collection->action("show_mime_info");
1025
1026     showSizeInfo->setChecked(false);
1027     showDateInfo->setChecked(false);
1028     showPermissionsInfo->setChecked(false);
1029     showOwnerInfo->setChecked(false);
1030     showGroupInfo->setChecked(false);
1031     showMimeInfo->setChecked(false);
1032
1033     showSizeInfo->setEnabled(enable);
1034     showDateInfo->setEnabled(enable);
1035     showPermissionsInfo->setEnabled(enable);
1036     showOwnerInfo->setEnabled(enable);
1037     showGroupInfo->setEnabled(enable);
1038     showMimeInfo->setEnabled(enable);
1039
1040     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1041         switch (info) {
1042         case KFileItemDelegate::Size:
1043             showSizeInfo->setChecked(true);
1044             break;
1045         case KFileItemDelegate::ModificationTime:
1046             showDateInfo->setChecked(true);
1047             break;
1048         case KFileItemDelegate::Permissions:
1049             showPermissionsInfo->setChecked(true);
1050             break;
1051         case KFileItemDelegate::Owner:
1052             showOwnerInfo->setChecked(true);
1053             break;
1054         case KFileItemDelegate::OwnerAndGroup:
1055             showGroupInfo->setChecked(true);
1056             break;
1057         case KFileItemDelegate::FriendlyMimeType:
1058             showMimeInfo->setChecked(true);
1059             break;
1060         default:
1061             break;
1062         }
1063     }
1064 }
1065
1066 QPair<bool, QString> DolphinView::pasteInfo() const
1067 {
1068     return KonqOperations::pasteInfo(url());
1069 }
1070
1071 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1072 {
1073     m_tabsForFiles = tabsForFiles;
1074 }
1075
1076 bool DolphinView::isTabsForFilesEnabled() const
1077 {
1078     return m_tabsForFiles;
1079 }
1080
1081 void DolphinView::activateItem(const KUrl& url)
1082 {
1083     m_activeItemUrl = url;
1084 }
1085
1086 bool DolphinView::itemsExpandable() const
1087 {
1088     return m_viewAccessor.itemsExpandable();
1089 }
1090
1091 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1092 {
1093     if (view == 0)
1094         return;
1095
1096     if (DragAndDropHelper::instance().isDragSource(view)) {
1097         // We must store for later deletion.
1098         if (m_expandedDragSource != 0) {
1099             // The old stored view is obviously not the drag source anymore.
1100             m_expandedDragSource->deleteLater();
1101             m_expandedDragSource = 0;
1102         }
1103         view->hide();
1104         m_expandedDragSource = view;
1105     }
1106     else {
1107         view->deleteLater();
1108     }
1109 }
1110
1111 void DolphinView::observeCreatedItem(const KUrl& url)
1112 {
1113     m_createdItemUrl = url;
1114     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const 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         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1124     }
1125
1126     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1127                this, SLOT(selectAndScrollToCreatedItem()));
1128     m_createdItemUrl = KUrl();
1129 }
1130
1131 void DolphinView::restoreSelection()
1132 {
1133     disconnect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1134     changeSelection(m_selectedItems);
1135 }
1136
1137 void DolphinView::emitContentsMoved()
1138 {
1139     // only emit the contents moved signal if no directory loading is ongoing
1140     // (this would reset the contents position always to (0, 0))
1141     if (!m_loadingDirectory) {
1142         const QPoint pos(contentsPosition());
1143         emit contentsMoved(pos.x(), pos.y());
1144     }
1145 }
1146
1147 void DolphinView::showHoverInformation(const KFileItem& item)
1148 {
1149     emit requestItemInfo(item);
1150 }
1151
1152 void DolphinView::clearHoverInformation()
1153 {
1154     emit requestItemInfo(KFileItem());
1155 }
1156
1157 void DolphinView::slotDeleteFileFinished(KJob* job)
1158 {
1159     if (job->error() == 0) {
1160         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1161     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1162         emit errorMessage(job->errorString());
1163     }
1164 }
1165
1166 void DolphinView::slotRequestUrlChange(const KUrl& url)
1167 {
1168     emit requestUrlChange(url);
1169     m_controller->setUrl(url);
1170 }
1171
1172 void DolphinView::slotDirListerCompleted()
1173 {
1174     if (!m_activeItemUrl.isEmpty()) {
1175         // assure that the current item remains visible
1176         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1177         if (dirIndex.isValid()) {
1178             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1179             QAbstractItemView* view = m_viewAccessor.itemView();
1180             const bool clearSelection = !hasSelection();
1181             view->setCurrentIndex(proxyIndex);
1182             if (clearSelection) {
1183                 view->clearSelection();
1184             }
1185             m_activeItemUrl.clear();
1186         }
1187     }
1188
1189     if (!m_newFileNames.isEmpty()) {
1190         // select all newly added items created by a paste operation or
1191         // a drag & drop operation
1192         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1193         QItemSelection selection;
1194         for (int row = 0; row < rowCount; ++row) {
1195             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1196             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1197             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1198             if (m_newFileNames.contains(url.fileName())) {
1199                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1200             }
1201         }
1202         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1203
1204         m_newFileNames.clear();
1205     }
1206 }
1207
1208 void DolphinView::slotRefreshItems()
1209 {
1210     if (m_assureVisibleCurrentIndex) {
1211         m_assureVisibleCurrentIndex = false;
1212         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1213     }
1214 }
1215
1216 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1217 {
1218     if (!url.isValid()) {
1219         const QString location(url.pathOrUrl());
1220         if (location.isEmpty()) {
1221             emit errorMessage(i18nc("@info:status", "The location is empty."));
1222         } else {
1223             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1224         }
1225         return;
1226     }
1227
1228     m_loadingDirectory = true;
1229
1230     if (reload) {
1231         m_selectedItems = selectedItems();
1232         connect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1233     }
1234
1235     m_viewAccessor.dirLister()->stop();
1236     m_viewAccessor.dirLister()->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1237 }
1238
1239 void DolphinView::applyViewProperties()
1240 {
1241     if (m_ignoreViewProperties) {
1242         return;
1243     }
1244
1245     const ViewProperties props(rootUrl());
1246
1247     const Mode mode = props.viewMode();
1248     if (m_mode != mode) {
1249         const int oldZoomLevel = m_controller->zoomLevel();
1250
1251         m_mode = mode;
1252         createView();
1253         emit modeChanged();
1254
1255         updateZoomLevel(oldZoomLevel);
1256     }
1257     if (m_viewAccessor.itemView() == 0) {
1258         createView();
1259     }
1260     Q_ASSERT(m_viewAccessor.itemView() != 0);
1261     Q_ASSERT(m_fileItemDelegate != 0);
1262
1263     const bool showHiddenFiles = props.showHiddenFiles();
1264     if (showHiddenFiles != m_viewAccessor.dirLister()->showingDotFiles()) {
1265         m_viewAccessor.dirLister()->setShowingDotFiles(showHiddenFiles);
1266         emit showHiddenFilesChanged();
1267     }
1268
1269     m_storedCategorizedSorting = props.categorizedSorting();
1270     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1271     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1272         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1273         emit categorizedSortingChanged();
1274     }
1275
1276     const DolphinView::Sorting sorting = props.sorting();
1277     if (sorting != m_viewAccessor.proxyModel()->sorting()) {
1278         m_viewAccessor.proxyModel()->setSorting(sorting);
1279         emit sortingChanged(sorting);
1280     }
1281
1282     const Qt::SortOrder sortOrder = props.sortOrder();
1283     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1284         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1285         emit sortOrderChanged(sortOrder);
1286     }
1287
1288     const bool sortFoldersFirst = props.sortFoldersFirst();
1289     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1290         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1291         emit sortFoldersFirstChanged(sortFoldersFirst);
1292     }
1293
1294     KFileItemDelegate::InformationList info = props.additionalInfo();
1295     if (info != m_fileItemDelegate->showInformation()) {
1296         m_fileItemDelegate->setShowInformation(info);
1297         emit additionalInfoChanged();
1298     }
1299
1300     const bool showPreview = props.showPreview();
1301     if (showPreview != m_showPreview) {
1302         m_showPreview = showPreview;
1303         m_previewGenerator->setPreviewShown(showPreview);
1304
1305         const int oldZoomLevel = m_controller->zoomLevel();
1306         emit showPreviewChanged();
1307
1308         // Enabling or disabling the preview might change the icon size of the view.
1309         // As the view does not emit a signal when the icon size has been changed,
1310         // the used zoom level of the controller must be adjusted manually:
1311         updateZoomLevel(oldZoomLevel);
1312     }
1313
1314     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1315         // During the lifetime of a DolphinView instance the global view properties
1316         // should not be changed. This allows e. g. to split a view and use different
1317         // view properties for each view.
1318         m_ignoreViewProperties = true;
1319     }
1320 }
1321
1322 void DolphinView::createView()
1323 {
1324     deleteView();
1325     Q_ASSERT(m_viewAccessor.itemView() == 0);
1326     m_viewAccessor.createView(this, m_controller, m_mode);
1327     initializeView();
1328     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
1329 }
1330
1331 void DolphinView::deleteView()
1332 {
1333     QAbstractItemView* view = m_viewAccessor.itemView();
1334     if (view != 0) {
1335         // It's important to set the keyboard focus to the parent
1336         // before deleting the view: Otherwise when having a split
1337         // view the other view will get the focus and will request
1338         // an activation (see DolphinView::eventFilter()).
1339         setFocusProxy(0);
1340         setFocus();
1341
1342         m_topLayout->removeWidget(view);
1343         view->close();
1344
1345         // m_previewGenerator's parent is not always destroyed, and we
1346         // don't want two active at once - manually delete.
1347         delete m_previewGenerator;
1348         m_previewGenerator = 0;
1349
1350         disconnect(view);
1351         m_controller->disconnect(view);
1352         view->disconnect();
1353
1354         // TODO: move this code into ViewAccessor::deleteView()
1355         deleteWhenNotDragSource(view);
1356         view = 0;
1357
1358         m_viewAccessor.deleteView();
1359         m_fileItemDelegate = 0;
1360         m_toolTipManager = 0;
1361     }
1362 }
1363
1364 void DolphinView::initializeView()
1365 {
1366     QAbstractItemView* view = m_viewAccessor.itemView();
1367     Q_ASSERT(view != 0);
1368     view->installEventFilter(this);
1369     view->viewport()->installEventFilter(this);
1370     setFocusProxy(view);
1371
1372     //if (m_mode != ColumnView) {
1373         // Give the view the ability to auto-expand its directories on hovering
1374         // (the column view takes care about this itself). If the details view
1375         // uses expandable folders, the auto-expanding should be used always.
1376         FolderExpander* folderExpander = new FolderExpander(view, m_viewAccessor.proxyModel());
1377         folderExpander->setEnabled(m_viewAccessor.hasExpandableFolders());
1378         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1379                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1380
1381     // TODO: enable again later
1382     /*}
1383     else {
1384         // Listen out for requests to delete the current column.
1385         connect(m_viewAccessor.columnsContainer(), SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1386                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1387     }*/
1388
1389     m_controller->setItemView(view);
1390
1391     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1392     m_fileItemDelegate->setShowToolTipWhenElided(false);
1393     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1394     view->setItemDelegate(m_fileItemDelegate);
1395
1396     view->setModel(m_viewAccessor.proxyModel());
1397     if (m_selectionModel != 0) {
1398         view->setSelectionModel(m_selectionModel);
1399     } else {
1400         m_selectionModel = view->selectionModel();
1401     }
1402
1403     m_selectionChangedTimer = new QTimer(this);
1404     m_selectionChangedTimer->setSingleShot(true);
1405     m_selectionChangedTimer->setInterval(300);
1406     connect(m_selectionChangedTimer, SIGNAL(timeout()),
1407             this, SLOT(emitSelectionChangedSignal()));
1408
1409     // reparent the selection model, as it should not be deleted
1410     // when deleting the model
1411     m_selectionModel->setParent(this);
1412
1413     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1414
1415     m_previewGenerator = new KFilePreviewGenerator(view);
1416     m_previewGenerator->setPreviewShown(m_showPreview);
1417
1418     m_versionControlObserver = new VersionControlObserver(view);
1419     connect(m_versionControlObserver, SIGNAL(infoMessage(const QString&)),
1420             this, SIGNAL(infoMessage(const QString&)));
1421     connect(m_versionControlObserver, SIGNAL(errorMessage(const QString&)),
1422             this, SIGNAL(errorMessage(const QString&)));
1423     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(const QString&)),
1424             this, SIGNAL(operationCompletedMessage(const QString&)));
1425
1426     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1427         m_toolTipManager = new ToolTipManager(view, m_viewAccessor.proxyModel());
1428         connect(m_controller, SIGNAL(hideToolTip()),
1429                 m_toolTipManager, SLOT(hideTip()));
1430     }
1431
1432     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1433             this, SLOT(emitDelayedSelectionChangedSignal()));
1434     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1435             this, SLOT(emitContentsMoved()));
1436     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1437             this, SLOT(emitContentsMoved()));
1438 }
1439
1440 void DolphinView::pasteToUrl(const KUrl& url)
1441 {
1442     addNewFileNames(QApplication::clipboard()->mimeData());
1443     KonqOperations::doPaste(this, url);
1444 }
1445
1446 void DolphinView::updateZoomLevel(int oldZoomLevel)
1447 {
1448     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1449     if (oldZoomLevel != newZoomLevel) {
1450         m_controller->setZoomLevel(newZoomLevel);
1451         emit zoomLevelChanged(newZoomLevel);
1452     }
1453 }
1454
1455 KUrl::List DolphinView::simplifiedSelectedUrls() const
1456 {
1457     KUrl::List list = selectedUrls();
1458     if (itemsExpandable() ) {
1459         list = KDirModel::simplifiedUrlList(list);
1460     }
1461     return list;
1462 }
1463
1464 QMimeData* DolphinView::selectionMimeData() const
1465 {
1466     const QAbstractItemView* view = m_viewAccessor.itemView();
1467     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1468     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
1469     return m_viewAccessor.dirModel()->mimeData(selection.indexes());
1470 }
1471
1472 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1473 {
1474     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1475     foreach (const KUrl& url, urls) {
1476         m_newFileNames.insert(url.fileName());
1477     }
1478 }
1479
1480 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
1481     m_iconsView(0),
1482     m_detailsView(0),
1483     m_columnsContainer(0),
1484     m_proxyModel(proxyModel)
1485 {
1486 }
1487
1488 void DolphinView::ViewAccessor::createView(QWidget* parent,
1489                                            DolphinController* controller,
1490                                            Mode mode)
1491 {
1492     Q_ASSERT(itemView() == 0);
1493
1494     switch (mode) {
1495     case IconsView:
1496         m_iconsView = new DolphinIconsView(parent, controller);
1497         break;
1498
1499     case DetailsView:
1500         m_detailsView = new DolphinDetailsView(parent, controller);
1501         break;
1502
1503     case ColumnView:
1504         m_columnsContainer = new DolphinColumnViewContainer(parent, controller);
1505         break;
1506
1507     default:
1508         Q_ASSERT(false);
1509     }
1510 }
1511
1512 void DolphinView::ViewAccessor::deleteView()
1513 {
1514     // TODO: Move the deleteWhenNotDragSource() code into the view
1515     // accessor, so that creating and deleting is fully done by
1516     // the view accessor.
1517     m_iconsView = 0;
1518     m_detailsView = 0;
1519
1520     m_columnsContainer->deleteLater();
1521     m_columnsContainer = 0;
1522 }
1523
1524
1525 bool DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1526 {
1527     if (m_columnsContainer != 0) {
1528         return m_columnsContainer->showColumn(url);
1529     }
1530     return false;
1531 }
1532
1533 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1534 {
1535     if (m_iconsView != 0) {
1536         return m_iconsView;
1537     }
1538
1539     if (m_detailsView != 0) {
1540         return m_detailsView;
1541     }
1542
1543     if (m_columnsContainer != 0) {
1544         return m_columnsContainer->activeColumn();
1545     }
1546
1547     return 0;
1548 }
1549
1550 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1551 {
1552     if (m_columnsContainer != 0) {
1553         return m_columnsContainer;
1554     }
1555     return itemView();
1556 }
1557
1558 KUrl DolphinView::ViewAccessor::rootUrl() const
1559 {
1560     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1561 }
1562
1563 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1564 {
1565     return m_iconsView != 0;
1566 }
1567
1568 bool DolphinView::ViewAccessor::hasExpandableFolders() const
1569 {
1570     const DolphinSettings& settings = DolphinSettings::instance();
1571     return settings.generalSettings()->autoExpandFolders() ||
1572            ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1573 }
1574
1575 bool DolphinView::ViewAccessor::itemsExpandable() const
1576 {
1577     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1578 }
1579
1580 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1581 {
1582     // the details view requires no reloading of the directory, as it maps
1583     // the file item delegate info to its columns internally
1584     return m_detailsView != 0;
1585 }
1586
1587
1588 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1589 {
1590     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1591 }
1592
1593 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1594 {
1595     if (m_columnsContainer != 0) {
1596         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1597     }
1598     return m_proxyModel;
1599 }
1600
1601 KDirLister* DolphinView::ViewAccessor::dirLister() const
1602 {
1603     return dirModel()->dirLister();
1604 }
1605
1606 #include "dolphinview.moc"