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 "dolphincolumnview.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 "viewproperties.h"
  68 #include "zoomlevelinfo.h"
  69
  70 /**
  71  * Helper function for sorting items with qSort() in
  72  * DolphinView::renameSelectedItems().
  73  */
  74 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  75 {
  76     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  77 }
  78
  79 DolphinView::DolphinView(QWidget* parent,
  80                          const KUrl& url,
  81                          KDirLister* dirLister,
  82                          DolphinModel* dolphinModel,
  83                          DolphinSortFilterProxyModel* proxyModel) :
  84     QWidget(parent),
  85     m_active(true),
  86     m_showPreview(false),
  87     m_loadingDirectory(false),
  88     m_storedCategorizedSorting(false),
  89     m_tabsForFiles(false),
  90     m_isContextMenuOpen(false),
  91     m_ignoreViewProperties(false),
  92     m_assureVisibleCurrentIndex(false),
  93     m_selectClipboardItems(false),
  94     m_mode(DolphinView::IconsView),
  95     m_topLayout(0),
  96     m_controller(0),
  97     m_iconsView(0),
  98     m_detailsView(0),
  99     m_columnView(0),
 100     m_fileItemDelegate(0),
 101     m_selectionModel(0),
 102     m_dolphinModel(dolphinModel),
 103     m_dirLister(dirLister),
 104     m_proxyModel(proxyModel),
 105     m_previewGenerator(0),
 106     m_toolTipManager(0),
 107     m_rootUrl(),
 108     m_currentItemUrl(),
 109     m_createdItemUrl(),
 110     m_selectedItems(),
 111     m_expandedDragSource(0)
 112 {
 113     m_topLayout = new QVBoxLayout(this);
 114     m_topLayout->setSpacing(0);
 115     m_topLayout->setMargin(0);
 116
 117     m_controller = new DolphinController(this);
 118     m_controller->setUrl(url);
 119
 120     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 121             this, SIGNAL(urlChanged(const KUrl&)));
 122     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 123             this, SLOT(slotRequestUrlChange(const KUrl&)));
 124
 125     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 126             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 127     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 128             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 129     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 130             this, SLOT(updateSorting(DolphinView::Sorting)));
 131     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 132             this, SLOT(updateSortOrder(Qt::SortOrder)));
 133     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 134             this, SLOT(updateSortFoldersFirst(bool)));
 135     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 136             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 137     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 138             this, SLOT(triggerItem(const KFileItem&)));
 139     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 140             this, SIGNAL(tabRequested(const KUrl&)));
 141     connect(m_controller, SIGNAL(activated()),
 142             this, SLOT(activate()));
 143     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 144             this, SLOT(showHoverInformation(const KFileItem&)));
 145     connect(m_controller, SIGNAL(viewportEntered()),
 146             this, SLOT(clearHoverInformation()));
 147
 148     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 149             this, SIGNAL(redirection(KUrl, KUrl)));
 150     connect(m_dirLister, SIGNAL(completed()),
 151             this, SLOT(slotDirListerCompleted()));
 152     connect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 153             this, SLOT(slotRefreshItems()));
 154
 155     // When a new item has been created by the "Create New..." menu, the item should
 156     // get selected and it must be assured that the item will get visible. As the
 157     // creation is done asynchronously, several signals must be checked:
 158     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 159             this, SLOT(observeCreatedItem(const KUrl&)));
 160
 161     applyViewProperties(url);
 162     m_topLayout->addWidget(itemView());
 163 }
 164
 165 DolphinView::~DolphinView()
 166 {
 167     delete m_expandedDragSource;
 168     m_expandedDragSource = 0;
 169 }
 170
 171 const KUrl& DolphinView::url() const
 172 {
 173     return m_controller->url();
 174 }
 175
 176 KUrl DolphinView::rootUrl() const
 177 {
 178     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 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         emit selectionChanged(selectedItems());
 192     } else {
 193         color.setAlpha(150);
 194     }
 195
 196     QWidget* viewport = itemView()->viewport();
 197     QPalette palette;
 198     palette.setColor(viewport->backgroundRole(), color);
 199     viewport->setPalette(palette);
 200
 201     update();
 202
 203     if (active) {
 204         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     deleteView();
 226
 227     const KUrl viewPropsUrl = viewPropertiesUrl();
 228     ViewProperties props(viewPropsUrl);
 229     props.setViewMode(m_mode);
 230     createView();
 231
 232     // the file item delegate has been recreated, apply the current
 233     // additional information manually
 234     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 235     m_fileItemDelegate->setShowInformation(infoList);
 236     emit additionalInfoChanged();
 237
 238     // Not all view modes support categorized sorting. Adjust the sorting model
 239     // if changing the view mode results in a change of the categorized sorting
 240     // capabilities.
 241     m_storedCategorizedSorting = props.categorizedSorting();
 242     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 243     if (categorized != m_proxyModel->isCategorizedModel()) {
 244         m_proxyModel->setCategorizedModel(categorized);
 245         emit categorizedSortingChanged();
 246     }
 247
 248     emit modeChanged();
 249
 250     updateZoomLevel(oldZoomLevel);
 251     if (m_showPreview) {
 252         loadDirectory(viewPropsUrl);
 253     }
 254 }
 255
 256 DolphinView::Mode DolphinView::mode() const
 257 {
 258     return m_mode;
 259 }
 260
 261 bool DolphinView::showPreview() const
 262 {
 263     return m_showPreview;
 264 }
 265
 266 bool DolphinView::showHiddenFiles() const
 267 {
 268     return m_dirLister->showingDotFiles();
 269 }
 270
 271 bool DolphinView::categorizedSorting() const
 272 {
 273     // If all view modes would support categorized sorting, returning
 274     // m_proxyModel->isCategorizedModel() would be the way to go. As
 275     // currently only the icons view supports caterized sorting, we remember
 276     // the stored view properties state in m_storedCategorizedSorting and
 277     // return this state. The application takes care to disable the corresponding
 278     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 279     // that this setting is not applied to the current view mode.
 280     return m_storedCategorizedSorting;
 281 }
 282
 283 bool DolphinView::supportsCategorizedSorting() const
 284 {
 285     return m_iconsView != 0;
 286 }
 287
 288 void DolphinView::selectAll()
 289 {
 290     QAbstractItemView* view = itemView();
 291     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 292     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 293     // selection instead of selecting all items. This is bypassed for KDE 4.0
 294     // by invoking clearSelection() first.
 295     view->clearSelection();
 296     view->selectAll();
 297 }
 298
 299 void DolphinView::invertSelection()
 300 {
 301     if (isColumnViewActive()) {
 302         // QAbstractItemView does not offer a virtual method invertSelection()
 303         // as counterpart to QAbstractItemView::selectAll(). This makes it
 304         // necessary to delegate the inverting of the selection to the
 305         // column view, as only the selection of the active column should
 306         // get inverted.
 307         m_columnView->invertSelection();
 308     } else {
 309         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 310         const QAbstractItemModel* itemModel = selectionModel->model();
 311
 312         const QModelIndex topLeft = itemModel->index(0, 0);
 313         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 314                                                          itemModel->columnCount() - 1);
 315
 316         const QItemSelection selection(topLeft, bottomRight);
 317         selectionModel->select(selection, QItemSelectionModel::Toggle);
 318     }
 319 }
 320
 321 bool DolphinView::hasSelection() const
 322 {
 323     return itemView()->selectionModel()->hasSelection();
 324 }
 325
 326 void DolphinView::clearSelection()
 327 {
 328     QItemSelectionModel* selModel = itemView()->selectionModel();
 329     const QModelIndex currentIndex = selModel->currentIndex();
 330     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 331                                             QItemSelectionModel::Clear);
 332 }
 333
 334 KFileItemList DolphinView::selectedItems() const
 335 {
 336     if (isColumnViewActive()) {
 337         return m_columnView->selectedItems();
 338     }
 339
 340     const QAbstractItemView* view = itemView();
 341
 342     // Our view has a selection, we will map them back to the DolphinModel
 343     // and then fill the KFileItemList.
 344     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 345
 346     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 347     KFileItemList itemList;
 348
 349     const QModelIndexList indexList = selection.indexes();
 350     foreach (const QModelIndex &index, indexList) {
 351         KFileItem item = m_dolphinModel->itemForIndex(index);
 352         if (!item.isNull()) {
 353             itemList.append(item);
 354         }
 355     }
 356
 357     return itemList;
 358 }
 359
 360 KUrl::List DolphinView::selectedUrls() const
 361 {
 362     KUrl::List urls;
 363     const KFileItemList list = selectedItems();
 364     foreach (const KFileItem &item, list) {
 365         urls.append(item.url());
 366     }
 367     return urls;
 368 }
 369
 370 int DolphinView::selectedItemsCount() const
 371 {
 372     if (isColumnViewActive()) {
 373         // TODO: get rid of this special case by adjusting the dir lister
 374         // to the current column
 375         return m_columnView->selectedItems().count();
 376     }
 377
 378     return itemView()->selectionModel()->selection().count();
 379 }
 380
 381 void DolphinView::setContentsPosition(int x, int y)
 382 {
 383     QAbstractItemView* view = itemView();
 384
 385     // the ColumnView takes care itself for the horizontal scrolling
 386     if (!isColumnViewActive()) {
 387         view->horizontalScrollBar()->setValue(x);
 388     }
 389     view->verticalScrollBar()->setValue(y);
 390
 391     m_loadingDirectory = false;
 392 }
 393
 394 QPoint DolphinView::contentsPosition() const
 395 {
 396     const int x = itemView()->horizontalScrollBar()->value();
 397     const int y = itemView()->verticalScrollBar()->value();
 398     return QPoint(x, y);
 399 }
 400
 401 void DolphinView::setZoomLevel(int level)
 402 {
 403     if (level < ZoomLevelInfo::minimumLevel()) {
 404         level = ZoomLevelInfo::minimumLevel();
 405     } else if (level > ZoomLevelInfo::maximumLevel()) {
 406         level = ZoomLevelInfo::maximumLevel();
 407     }
 408
 409     if (level != zoomLevel()) {
 410         m_controller->setZoomLevel(level);
 411         m_previewGenerator->updateIcons();
 412         emit zoomLevelChanged(level);
 413     }
 414 }
 415
 416 int DolphinView::zoomLevel() const
 417 {
 418     return m_controller->zoomLevel();
 419 }
 420
 421 void DolphinView::setSorting(Sorting sorting)
 422 {
 423     if (sorting != this->sorting()) {
 424         updateSorting(sorting);
 425     }
 426 }
 427
 428 DolphinView::Sorting DolphinView::sorting() const
 429 {
 430     return m_proxyModel->sorting();
 431 }
 432
 433 void DolphinView::setSortOrder(Qt::SortOrder order)
 434 {
 435     if (sortOrder() != order) {
 436         updateSortOrder(order);
 437     }
 438 }
 439
 440 Qt::SortOrder DolphinView::sortOrder() const
 441 {
 442     return m_proxyModel->sortOrder();
 443 }
 444
 445 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 446 {
 447     if (sortFoldersFirst() != foldersFirst) {
 448         updateSortFoldersFirst(foldersFirst);
 449     }
 450 }
 451
 452 bool DolphinView::sortFoldersFirst() const
 453 {
 454     return m_proxyModel->sortFoldersFirst();
 455 }
 456
 457 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 458 {
 459     const KUrl viewPropsUrl = viewPropertiesUrl();
 460     ViewProperties props(viewPropsUrl);
 461     props.setAdditionalInfo(info);
 462     m_fileItemDelegate->setShowInformation(info);
 463
 464     emit additionalInfoChanged();
 465
 466     if (itemView() != m_detailsView) {
 467         // the details view requires no reloading of the directory, as it maps
 468         // the file item delegate info to its columns internally
 469         loadDirectory(viewPropsUrl);
 470     }
 471 }
 472
 473 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 474 {
 475     return m_fileItemDelegate->showInformation();
 476 }
 477
 478 void DolphinView::reload()
 479 {
 480     setUrl(url());
 481     loadDirectory(url(), true);
 482 }
 483
 484 void DolphinView::refresh()
 485 {
 486     m_ignoreViewProperties = false;
 487
 488     const bool oldActivationState = m_active;
 489     const int oldZoomLevel = m_controller->zoomLevel();
 490     m_active = true;
 491
 492     createView();
 493     applyViewProperties(m_controller->url());
 494     reload();
 495
 496     setActive(oldActivationState);
 497     updateZoomLevel(oldZoomLevel);
 498 }
 499
 500 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 501 {
 502     if (m_controller->url() == url) {
 503         return;
 504     }
 505
 506     m_previewGenerator->cancelPreviews();
 507     m_controller->setUrl(url); // emits urlChanged, which we forward
 508
 509     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 510         applyViewProperties(rootUrl);
 511         loadDirectory(rootUrl);
 512         if (itemView() == m_columnView) {
 513             m_columnView->setRootUrl(rootUrl);
 514             m_columnView->showColumn(url);
 515         }
 516     } else {
 517         applyViewProperties(url);
 518         loadDirectory(url);
 519     }
 520
 521     emit startedPathLoading(url);
 522 }
 523
 524 void DolphinView::setNameFilter(const QString& nameFilter)
 525 {
 526     m_proxyModel->setFilterRegExp(nameFilter);
 527
 528     if (isColumnViewActive()) {
 529         // adjusting the directory lister is not enough in the case of the
 530         // column view, as each column has its own directory lister internally...
 531         m_columnView->setNameFilter(nameFilter);
 532     }
 533 }
 534
 535 void DolphinView::calculateItemCount(int& fileCount,
 536                                      int& folderCount,
 537                                      KIO::filesize_t& totalFileSize) const
 538 {
 539     foreach (const KFileItem& item, m_dirLister->items()) {
 540         if (item.isDir()) {
 541             ++folderCount;
 542         } else {
 543             ++fileCount;
 544             totalFileSize += item.size();
 545         }
 546     }
 547 }
 548
 549 QString DolphinView::statusBarText() const
 550 {
 551     QString text;
 552     int folderCount = 0;
 553     int fileCount = 0;
 554     KIO::filesize_t totalFileSize = 0;
 555
 556     if (hasSelection()) {
 557         // give a summary of the status of the selected files
 558         const KFileItemList list = selectedItems();
 559         if (list.isEmpty()) {
 560             // when an item is triggered, it is temporary selected but selectedItems()
 561             // will return an empty list
 562             return text;
 563         }
 564
 565         KFileItemList::const_iterator it = list.begin();
 566         const KFileItemList::const_iterator end = list.end();
 567         while (it != end) {
 568             const KFileItem& item = *it;
 569             if (item.isDir()) {
 570                 ++folderCount;
 571             } else {
 572                 ++fileCount;
 573                 totalFileSize += item.size();
 574             }
 575             ++it;
 576         }
 577
 578         if (folderCount + fileCount == 1) {
 579             // if only one item is selected, show the filename
 580             const QString name = list.first().name();
 581             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 582                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 583                                               name, KIO::convertSize(totalFileSize));
 584         } else {
 585             // at least 2 items are selected
 586             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 587             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 588             if ((folderCount > 0) && (fileCount > 0)) {
 589                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 590                              foldersText, filesText, KIO::convertSize(totalFileSize));
 591             } else if (fileCount > 0) {
 592                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 593             } else {
 594                 Q_ASSERT(folderCount > 0);
 595                 text = foldersText;
 596             }
 597         }
 598     } else {
 599         calculateItemCount(fileCount, folderCount, totalFileSize);
 600         text = KIO::itemsSummaryString(fileCount + folderCount,
 601                                        fileCount, folderCount,
 602                                        totalFileSize, true);
 603     }
 604
 605     return text;
 606 }
 607
 608 void DolphinView::setUrl(const KUrl& url)
 609 {
 610     // remember current item candidate (see slotDirListerCompleted())
 611     m_selectClipboardItems = false;
 612     m_currentItemUrl = url;
 613     updateView(url, KUrl());
 614 }
 615
 616 void DolphinView::changeSelection(const KFileItemList& selection)
 617 {
 618     clearSelection();
 619     if (selection.isEmpty()) {
 620         return;
 621     }
 622     const KUrl& baseUrl = url();
 623     KUrl url;
 624     QItemSelection newSelection;
 625     foreach(const KFileItem& item, selection) {
 626         url = item.url().upUrl();
 627         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 628             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 629             newSelection.select(index, index);
 630         }
 631     }
 632     itemView()->selectionModel()->select(newSelection,
 633                                          QItemSelectionModel::ClearAndSelect
 634                                          | QItemSelectionModel::Current);
 635 }
 636
 637 void DolphinView::renameSelectedItems()
 638 {
 639     KFileItemList items = selectedItems();
 640     const int itemCount = items.count();
 641     if (itemCount < 1) {
 642         return;
 643     }
 644
 645     if (itemCount > 1) {
 646         // More than one item has been selected for renaming. Open
 647         // a rename dialog and rename all items afterwards.
 648         RenameDialog dialog(this, items);
 649         if (dialog.exec() == QDialog::Rejected) {
 650             return;
 651         }
 652
 653         const QString newName = dialog.newName();
 654         if (newName.isEmpty()) {
 655             emit errorMessage(dialog.errorString());
 656             return;
 657         }
 658
 659         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 660         // as one operation instead of n rename operations like it is done now...
 661         Q_ASSERT(newName.contains('#'));
 662
 663         // currently the items are sorted by the selection order, resort
 664         // them by the file name
 665         qSort(items.begin(), items.end(), lessThan);
 666
 667         // iterate through all selected items and rename them...
 668         int index = 1;
 669         foreach (const KFileItem& item, items) {
 670             const KUrl& oldUrl = item.url();
 671             QString number;
 672             number.setNum(index++);
 673
 674             QString name = newName;
 675             name.replace('#', number);
 676
 677             if (oldUrl.fileName() != name) {
 678                 KUrl newUrl = oldUrl;
 679                 newUrl.setFileName(name);
 680                 KonqOperations::rename(this, oldUrl, newUrl);
 681             }
 682         }
 683     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 684         Q_ASSERT(itemCount == 1);
 685
 686         if (isColumnViewActive()) {
 687             m_columnView->editItem(items.first());
 688         } else {
 689             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 690             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 691             itemView()->edit(proxyIndex);
 692         }
 693     } else {
 694         Q_ASSERT(itemCount == 1);
 695
 696         RenameDialog dialog(this, items);
 697         if (dialog.exec() == QDialog::Rejected) {
 698             return;
 699         }
 700
 701         const QString& newName = dialog.newName();
 702         if (newName.isEmpty()) {
 703             emit errorMessage(dialog.errorString());
 704             return;
 705         }
 706
 707         const KUrl& oldUrl = items.first().url();
 708         KUrl newUrl = oldUrl;
 709         newUrl.setFileName(newName);
 710         KonqOperations::rename(this, oldUrl, newUrl);
 711     }
 712
 713     // assure that the current index remains visible when KDirLister
 714     // will notify the view about changed items
 715     m_assureVisibleCurrentIndex = true;
 716 }
 717
 718 void DolphinView::trashSelectedItems()
 719 {
 720     const KUrl::List list = simplifiedSelectedUrls();
 721     KonqOperations::del(this, KonqOperations::TRASH, list);
 722 }
 723
 724 void DolphinView::deleteSelectedItems()
 725 {
 726     const KUrl::List list = simplifiedSelectedUrls();
 727     const bool del = KonqOperations::askDeleteConfirmation(list,
 728                      KonqOperations::DEL,
 729                      KonqOperations::DEFAULT_CONFIRMATION,
 730                      this);
 731
 732     if (del) {
 733         KIO::Job* job = KIO::del(list);
 734         connect(job, SIGNAL(result(KJob*)),
 735                 this, SLOT(slotDeleteFileFinished(KJob*)));
 736     }
 737 }
 738
 739 void DolphinView::cutSelectedItems()
 740 {
 741     QMimeData* mimeData = selectionMimeData();
 742     KonqMimeData::addIsCutSelection(mimeData, true);
 743     QApplication::clipboard()->setMimeData(mimeData);
 744 }
 745
 746 void DolphinView::copySelectedItems()
 747 {
 748     QMimeData* mimeData = selectionMimeData();
 749     QApplication::clipboard()->setMimeData(mimeData);
 750 }
 751
 752 void DolphinView::paste()
 753 {
 754     pasteToUrl(url());
 755 }
 756
 757 void DolphinView::pasteIntoFolder()
 758 {
 759     const KFileItemList items = selectedItems();
 760     if ((items.count() == 1) && items.first().isDir()) {
 761         pasteToUrl(items.first().url());
 762     }
 763 }
 764
 765 void DolphinView::setShowPreview(bool show)
 766 {
 767     if (m_showPreview == show) {
 768         return;
 769     }
 770
 771     const KUrl viewPropsUrl = viewPropertiesUrl();
 772     ViewProperties props(viewPropsUrl);
 773     props.setShowPreview(show);
 774
 775     m_showPreview = show;
 776     m_previewGenerator->setPreviewShown(show);
 777
 778     const int oldZoomLevel = m_controller->zoomLevel();
 779     emit showPreviewChanged();
 780
 781     // Enabling or disabling the preview might change the icon size of the view.
 782     // As the view does not emit a signal when the icon size has been changed,
 783     // the used zoom level of the controller must be adjusted manually:
 784     updateZoomLevel(oldZoomLevel);
 785
 786     loadDirectory(viewPropsUrl);
 787 }
 788
 789 void DolphinView::setShowHiddenFiles(bool show)
 790 {
 791     if (m_dirLister->showingDotFiles() == show) {
 792         return;
 793     }
 794
 795     const KUrl viewPropsUrl = viewPropertiesUrl();
 796     ViewProperties props(viewPropsUrl);
 797     props.setShowHiddenFiles(show);
 798
 799     m_dirLister->setShowingDotFiles(show);
 800     emit showHiddenFilesChanged();
 801
 802     loadDirectory(viewPropsUrl);
 803 }
 804
 805 void DolphinView::setCategorizedSorting(bool categorized)
 806 {
 807     if (categorized == categorizedSorting()) {
 808         return;
 809     }
 810
 811     // setCategorizedSorting(true) may only get invoked
 812     // if the view supports categorized sorting
 813     Q_ASSERT(!categorized || supportsCategorizedSorting());
 814
 815     ViewProperties props(viewPropertiesUrl());
 816     props.setCategorizedSorting(categorized);
 817     props.save();
 818
 819     m_storedCategorizedSorting = categorized;
 820     m_proxyModel->setCategorizedModel(categorized);
 821
 822     emit categorizedSortingChanged();
 823 }
 824
 825 void DolphinView::toggleSortOrder()
 826 {
 827     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 828                                 Qt::DescendingOrder :
 829                                 Qt::AscendingOrder;
 830     setSortOrder(order);
 831 }
 832
 833 void DolphinView::toggleSortFoldersFirst()
 834 {
 835     setSortFoldersFirst(!sortFoldersFirst());
 836 }
 837
 838 void DolphinView::toggleAdditionalInfo(QAction* action)
 839 {
 840     const KFileItemDelegate::Information info =
 841         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 842
 843     KFileItemDelegate::InformationList list = additionalInfo();
 844
 845     const bool show = action->isChecked();
 846
 847     const int index = list.indexOf(info);
 848     const bool containsInfo = (index >= 0);
 849     if (show && !containsInfo) {
 850         list.append(info);
 851         setAdditionalInfo(list);
 852     } else if (!show && containsInfo) {
 853         list.removeAt(index);
 854         setAdditionalInfo(list);
 855         Q_ASSERT(list.indexOf(info) < 0);
 856     }
 857 }
 858
 859 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 860 {
 861     QWidget::mouseReleaseEvent(event);
 862     setActive(true);
 863 }
 864
 865 void DolphinView::wheelEvent(QWheelEvent* event)
 866 {
 867     if (event->modifiers() & Qt::ControlModifier) {
 868         const int delta = event->delta();
 869         const int level = zoomLevel();
 870         if (delta > 0) {
 871             setZoomLevel(level + 1);
 872         } else if (delta < 0) {
 873             setZoomLevel(level - 1);
 874         }
 875         event->accept();
 876     }
 877 }
 878
 879 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 880 {
 881     switch (event->type()) {
 882     case QEvent::FocusIn:
 883         if (watched == itemView()) {
 884             m_controller->requestActivation();
 885         }
 886         break;
 887
 888     case QEvent::MouseButtonPress:
 889         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 890             // Listening to a mousebutton press event to delete expanded views is a
 891             // workaround, as it seems impossible for the FolderExpander to know when
 892             // a dragging outside a view has been finished. However it works quite well:
 893             // A mousebutton press event indicates that a drag operation must be
 894             // finished already.
 895             m_expandedDragSource->deleteLater();
 896             m_expandedDragSource = 0;
 897         }
 898         break;
 899
 900     case QEvent::DragEnter:
 901         if (watched == itemView()->viewport()) {
 902             setActive(true);
 903         }
 904         break;
 905
 906     case QEvent::KeyPress:
 907         if (watched == itemView()) {
 908             if (m_toolTipManager != 0) {
 909                 m_toolTipManager->hideTip();
 910             }
 911
 912             // clear the selection when Escape has been pressed
 913             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 914             if (keyEvent->key() == Qt::Key_Escape) {
 915                 clearSelection();
 916             }
 917         }
 918         break;
 919
 920     default:
 921         break;
 922     }
 923
 924     return QWidget::eventFilter(watched, event);
 925 }
 926
 927 void DolphinView::activate()
 928 {
 929     setActive(true);
 930 }
 931
 932 void DolphinView::triggerItem(const KFileItem& item)
 933 {
 934     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 935     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 936         // items are selected by the user, hence don't trigger the
 937         // item specified by 'index'
 938         return;
 939     }
 940
 941     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 942     if (item.isNull() || m_isContextMenuOpen) {
 943         return;
 944     }
 945
 946     if (m_toolTipManager != 0) {
 947         m_toolTipManager->hideTip();
 948     }
 949     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 950 }
 951
 952 void DolphinView::emitSelectionChangedSignal()
 953 {
 954     emit selectionChanged(DolphinView::selectedItems());
 955 }
 956
 957 void DolphinView::openContextMenu(const QPoint& pos,
 958                                   const QList<QAction*>& customActions)
 959 {
 960     KFileItem item;
 961     if (isColumnViewActive()) {
 962         item = m_columnView->itemAt(pos);
 963     } else {
 964         const QModelIndex index = itemView()->indexAt(pos);
 965         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 966             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 967             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 968         }
 969     }
 970
 971     if (m_toolTipManager != 0) {
 972         m_toolTipManager->hideTip();
 973     }
 974
 975     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 976     emit requestContextMenu(item, url(), customActions);
 977     m_isContextMenuOpen = false;
 978 }
 979
 980 void DolphinView::dropUrls(const KFileItem& destItem,
 981                            const KUrl& destPath,
 982                            QDropEvent* event)
 983 {
 984     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 985 }
 986
 987 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 988 {
 989     ViewProperties props(viewPropertiesUrl());
 990     props.setSorting(sorting);
 991
 992     m_proxyModel->setSorting(sorting);
 993
 994     emit sortingChanged(sorting);
 995 }
 996
 997 void DolphinView::updateSortOrder(Qt::SortOrder order)
 998 {
 999     ViewProperties props(viewPropertiesUrl());
1000     props.setSortOrder(order);
1001
1002     m_proxyModel->setSortOrder(order);
1003
1004     emit sortOrderChanged(order);
1005 }
1006
1007 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1008 {
1009     ViewProperties props(viewPropertiesUrl());
1010     props.setSortFoldersFirst(foldersFirst);
1011
1012     m_proxyModel->setSortFoldersFirst(foldersFirst);
1013
1014     emit sortFoldersFirstChanged(foldersFirst);
1015 }
1016
1017 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1018 {
1019     ViewProperties props(viewPropertiesUrl());
1020     props.setAdditionalInfo(info);
1021     props.save();
1022
1023     m_fileItemDelegate->setShowInformation(info);
1024
1025     emit additionalInfoChanged();
1026 }
1027
1028 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1029 {
1030     const bool enable = (m_mode == DolphinView::DetailsView) ||
1031                         (m_mode == DolphinView::IconsView);
1032
1033     QAction* showSizeInfo = collection->action("show_size_info");
1034     QAction* showDateInfo = collection->action("show_date_info");
1035     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1036     QAction* showOwnerInfo = collection->action("show_owner_info");
1037     QAction* showGroupInfo = collection->action("show_group_info");
1038     QAction* showMimeInfo = collection->action("show_mime_info");
1039
1040     showSizeInfo->setChecked(false);
1041     showDateInfo->setChecked(false);
1042     showPermissionsInfo->setChecked(false);
1043     showOwnerInfo->setChecked(false);
1044     showGroupInfo->setChecked(false);
1045     showMimeInfo->setChecked(false);
1046
1047     showSizeInfo->setEnabled(enable);
1048     showDateInfo->setEnabled(enable);
1049     showPermissionsInfo->setEnabled(enable);
1050     showOwnerInfo->setEnabled(enable);
1051     showGroupInfo->setEnabled(enable);
1052     showMimeInfo->setEnabled(enable);
1053
1054     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1055         switch (info) {
1056         case KFileItemDelegate::Size:
1057             showSizeInfo->setChecked(true);
1058             break;
1059         case KFileItemDelegate::ModificationTime:
1060             showDateInfo->setChecked(true);
1061             break;
1062         case KFileItemDelegate::Permissions:
1063             showPermissionsInfo->setChecked(true);
1064             break;
1065         case KFileItemDelegate::Owner:
1066             showOwnerInfo->setChecked(true);
1067             break;
1068         case KFileItemDelegate::OwnerAndGroup:
1069             showGroupInfo->setChecked(true);
1070             break;
1071         case KFileItemDelegate::FriendlyMimeType:
1072             showMimeInfo->setChecked(true);
1073             break;
1074         default:
1075             break;
1076         }
1077     }
1078 }
1079
1080 QPair<bool, QString> DolphinView::pasteInfo() const
1081 {
1082     return KonqOperations::pasteInfo(url());
1083 }
1084
1085 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1086 {
1087     m_tabsForFiles = tabsForFiles;
1088 }
1089
1090 bool DolphinView::isTabsForFilesEnabled() const
1091 {
1092     return m_tabsForFiles;
1093 }
1094
1095 bool DolphinView::itemsExpandable() const
1096 {
1097     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1098 }
1099
1100 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1101 {
1102     if (view == 0)
1103         return;
1104
1105     if (DragAndDropHelper::instance().isDragSource(view)) {
1106         // We must store for later deletion.
1107         if (m_expandedDragSource != 0) {
1108             // The old stored view is obviously not the drag source anymore.
1109             m_expandedDragSource->deleteLater();
1110             m_expandedDragSource = 0;
1111         }
1112         view->hide();
1113         m_expandedDragSource = view;
1114     }
1115     else {
1116         view->deleteLater();
1117     }
1118 }
1119
1120 void DolphinView::observeCreatedItem(const KUrl& url)
1121 {
1122     m_createdItemUrl = url;
1123     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1124             this, SLOT(selectAndScrollToCreatedItem()));
1125 }
1126
1127 void DolphinView::selectAndScrollToCreatedItem()
1128 {
1129     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1130     if (dirIndex.isValid()) {
1131         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1132         itemView()->setCurrentIndex(proxyIndex);
1133     }
1134
1135     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1136                this, SLOT(selectAndScrollToCreatedItem()));
1137     m_createdItemUrl = KUrl();
1138 }
1139
1140 void DolphinView::restoreSelection()
1141 {
1142     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1143     changeSelection(m_selectedItems);
1144 }
1145
1146 void DolphinView::emitContentsMoved()
1147 {
1148     // only emit the contents moved signal if:
1149     // - no directory loading is ongoing (this would reset the contents position
1150     //   always to (0, 0))
1151     // - if the Column View is active: the column view does an automatic
1152     //   positioning during the loading operation, which must be remembered
1153     if (!m_loadingDirectory || isColumnViewActive()) {
1154         const QPoint pos(contentsPosition());
1155         emit contentsMoved(pos.x(), pos.y());
1156     }
1157 }
1158
1159 void DolphinView::showHoverInformation(const KFileItem& item)
1160 {
1161     emit requestItemInfo(item);
1162 }
1163
1164 void DolphinView::clearHoverInformation()
1165 {
1166     emit requestItemInfo(KFileItem());
1167 }
1168
1169 void DolphinView::slotDeleteFileFinished(KJob* job)
1170 {
1171     if (job->error() == 0) {
1172         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1173     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1174         emit errorMessage(job->errorString());
1175     }
1176 }
1177
1178 void DolphinView::slotRequestUrlChange(const KUrl& url)
1179 {
1180     emit requestUrlChange(url);
1181     m_controller->setUrl(url);
1182 }
1183
1184 void DolphinView::slotDirListerCompleted()
1185 {
1186     if (!m_currentItemUrl.isEmpty()) {
1187         // assure that the current item remains visible
1188         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1189         if (dirIndex.isValid()) {
1190             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1191             QAbstractItemView* view = itemView();
1192             const bool clearSelection = !hasSelection();
1193             view->setCurrentIndex(proxyIndex);
1194             if (clearSelection) {
1195                 view->clearSelection();
1196             }
1197         }
1198         m_currentItemUrl.clear();
1199     }
1200
1201     if (m_selectClipboardItems) {
1202         m_selectClipboardItems = false;
1203
1204         // select all items that have been pasted from the clipboard to
1205         // the current directory
1206         const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1207         const KUrl::List copiedUrls = KUrl::List::fromMimeData(mimeData);
1208
1209         QSet<QString> fileNames;
1210         foreach (const KUrl& url, copiedUrls) {
1211             fileNames.insert(url.fileName());
1212         }
1213
1214         QItemSelectionModel* selectionModel = itemView()->selectionModel();
1215         const int rowCount = m_proxyModel->rowCount();
1216         for (int row = 0; row < rowCount; ++row) {
1217             const QModelIndex proxyIndex = m_proxyModel->index(row, 0);
1218             const QModelIndex dirIndex = m_proxyModel->mapToSource(proxyIndex);
1219             const KUrl url = m_dolphinModel->itemForIndex(dirIndex).url();
1220             if (fileNames.contains(url.fileName())) {
1221                 selectionModel->select(proxyIndex, QItemSelectionModel::Select);
1222             }
1223         }
1224     }
1225 }
1226
1227 void DolphinView::slotRefreshItems()
1228 {
1229     if (m_assureVisibleCurrentIndex) {
1230         m_assureVisibleCurrentIndex = false;
1231         itemView()->scrollTo(itemView()->currentIndex());
1232     }
1233 }
1234
1235 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1236 {
1237     if (!url.isValid()) {
1238         const QString location(url.pathOrUrl());
1239         if (location.isEmpty()) {
1240             emit errorMessage(i18nc("@info:status", "The location is empty."));
1241         } else {
1242             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1243         }
1244         return;
1245     }
1246
1247     m_loadingDirectory = true;
1248
1249     if (reload) {
1250         m_selectedItems = selectedItems();
1251         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1252     }
1253
1254     m_dirLister->stop();
1255     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1256
1257     if (isColumnViewActive()) {
1258         // adjusting the directory lister is not enough in the case of the
1259         // column view, as each column has its own directory lister internally...
1260         if (reload) {
1261             m_columnView->reload();
1262         } else {
1263             m_columnView->showColumn(url);
1264         }
1265     }
1266 }
1267
1268 KUrl DolphinView::viewPropertiesUrl() const
1269 {
1270     if (isColumnViewActive()) {
1271         return m_columnView->rootUrl();
1272     }
1273
1274     return url();
1275 }
1276
1277 void DolphinView::applyViewProperties(const KUrl& url)
1278 {
1279     if (m_ignoreViewProperties) {
1280         return;
1281     }
1282
1283     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1284         // The column view is active, hence don't apply the view properties
1285         // of sub directories (represented by columns) to the view. The
1286         // view always represents the properties of the first column.
1287         return;
1288     }
1289
1290     const ViewProperties props(url);
1291
1292     const Mode mode = props.viewMode();
1293     if (m_mode != mode) {
1294         const int oldZoomLevel = m_controller->zoomLevel();
1295
1296         m_mode = mode;
1297         createView();
1298         emit modeChanged();
1299
1300         updateZoomLevel(oldZoomLevel);
1301     }
1302     if (itemView() == 0) {
1303         createView();
1304     }
1305     Q_ASSERT(itemView() != 0);
1306     Q_ASSERT(m_fileItemDelegate != 0);
1307
1308     const bool showHiddenFiles = props.showHiddenFiles();
1309     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1310         m_dirLister->setShowingDotFiles(showHiddenFiles);
1311         emit showHiddenFilesChanged();
1312     }
1313
1314     m_storedCategorizedSorting = props.categorizedSorting();
1315     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1316     if (categorized != m_proxyModel->isCategorizedModel()) {
1317         m_proxyModel->setCategorizedModel(categorized);
1318         emit categorizedSortingChanged();
1319     }
1320
1321     const DolphinView::Sorting sorting = props.sorting();
1322     if (sorting != m_proxyModel->sorting()) {
1323         m_proxyModel->setSorting(sorting);
1324         emit sortingChanged(sorting);
1325     }
1326
1327     const Qt::SortOrder sortOrder = props.sortOrder();
1328     if (sortOrder != m_proxyModel->sortOrder()) {
1329         m_proxyModel->setSortOrder(sortOrder);
1330         emit sortOrderChanged(sortOrder);
1331     }
1332
1333     const bool sortFoldersFirst = props.sortFoldersFirst();
1334     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1335         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1336         emit sortFoldersFirstChanged(sortFoldersFirst);
1337     }
1338
1339     KFileItemDelegate::InformationList info = props.additionalInfo();
1340     if (info != m_fileItemDelegate->showInformation()) {
1341         m_fileItemDelegate->setShowInformation(info);
1342         emit additionalInfoChanged();
1343     }
1344
1345     const bool showPreview = props.showPreview();
1346     if (showPreview != m_showPreview) {
1347         m_showPreview = showPreview;
1348         m_previewGenerator->setPreviewShown(showPreview);
1349
1350         const int oldZoomLevel = m_controller->zoomLevel();
1351         emit showPreviewChanged();
1352
1353         // Enabling or disabling the preview might change the icon size of the view.
1354         // As the view does not emit a signal when the icon size has been changed,
1355         // the used zoom level of the controller must be adjusted manually:
1356         updateZoomLevel(oldZoomLevel);
1357     }
1358
1359     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1360         // During the lifetime of a DolphinView instance the global view properties
1361         // should not be changed. This allows e. g. to split a view and use different
1362         // view properties for each view.
1363         m_ignoreViewProperties = true;
1364     }
1365 }
1366
1367 void DolphinView::createView()
1368 {
1369     deleteView();
1370     Q_ASSERT(m_iconsView == 0);
1371     Q_ASSERT(m_detailsView == 0);
1372     Q_ASSERT(m_columnView == 0);
1373
1374     QAbstractItemView* view = 0;
1375     switch (m_mode) {
1376     case IconsView: {
1377         m_iconsView = new DolphinIconsView(this, m_controller);
1378         view = m_iconsView;
1379         break;
1380     }
1381
1382     case DetailsView:
1383         m_detailsView = new DolphinDetailsView(this, m_controller);
1384         view = m_detailsView;
1385         break;
1386
1387     case ColumnView:
1388         m_columnView = new DolphinColumnView(this, m_controller);
1389         view = m_columnView;
1390         break;
1391     }
1392
1393     Q_ASSERT(view != 0);
1394     view->installEventFilter(this);
1395     view->viewport()->installEventFilter(this);
1396     setFocusProxy(view);
1397
1398     if (m_mode != ColumnView) {
1399         // Give the view the ability to auto-expand its directories on hovering
1400         // (the column view takes care about this itself). If the details view
1401         // uses expandable folders, the auto-expanding should be used always.
1402         DolphinSettings& settings = DolphinSettings::instance();
1403         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1404                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1405
1406         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1407         folderExpander->setEnabled(enabled);
1408         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1409                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1410     }
1411     else {
1412         // Listen out for requests to delete the current column.
1413         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1414                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1415     }
1416
1417     m_controller->setItemView(view);
1418
1419     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1420     m_fileItemDelegate->setShowToolTipWhenElided(false);
1421     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1422     view->setItemDelegate(m_fileItemDelegate);
1423
1424     view->setModel(m_proxyModel);
1425     if (m_selectionModel != 0) {
1426         view->setSelectionModel(m_selectionModel);
1427     } else {
1428         m_selectionModel = view->selectionModel();
1429     }
1430
1431     // reparent the selection model, as it should not be deleted
1432     // when deleting the model
1433     m_selectionModel->setParent(this);
1434
1435     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1436
1437     m_previewGenerator = new KFilePreviewGenerator(view);
1438     m_previewGenerator->setPreviewShown(m_showPreview);
1439
1440     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1441         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1442         connect(m_controller, SIGNAL(hideToolTip()),
1443                 m_toolTipManager, SLOT(hideTip()));
1444     }
1445
1446     m_topLayout->insertWidget(1, view);
1447
1448     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1449             this, SLOT(emitSelectionChangedSignal()));
1450     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1451             this, SLOT(emitContentsMoved()));
1452     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1453             this, SLOT(emitContentsMoved()));
1454 }
1455
1456 void DolphinView::deleteView()
1457 {
1458     QAbstractItemView* view = itemView();
1459     if (view != 0) {
1460         // It's important to set the keyboard focus to the parent
1461         // before deleting the view: Otherwise when having a split
1462         // view the other view will get the focus and will request
1463         // an activation (see DolphinView::eventFilter()).
1464         setFocusProxy(0);
1465         setFocus();
1466
1467         m_topLayout->removeWidget(view);
1468         view->close();
1469
1470         // m_previewGenerator's parent is not always destroyed, and we
1471         // don't want two active at once - manually delete.
1472         delete m_previewGenerator;
1473         m_previewGenerator = 0;
1474
1475         disconnect(view);
1476         m_controller->disconnect(view);
1477         view->disconnect();
1478
1479         deleteWhenNotDragSource(view);
1480         view = 0;
1481
1482         m_iconsView = 0;
1483         m_detailsView = 0;
1484         m_columnView = 0;
1485         m_fileItemDelegate = 0;
1486         m_toolTipManager = 0;
1487     }
1488 }
1489
1490 QAbstractItemView* DolphinView::itemView() const
1491 {
1492     if (m_detailsView != 0) {
1493         return m_detailsView;
1494     } else if (m_columnView != 0) {
1495         return m_columnView;
1496     }
1497
1498     return m_iconsView;
1499 }
1500
1501 void DolphinView::pasteToUrl(const KUrl& url)
1502 {
1503     m_selectClipboardItems = true;
1504     KonqOperations::doPaste(this, url);
1505 }
1506
1507 void DolphinView::updateZoomLevel(int oldZoomLevel)
1508 {
1509     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1510     if (oldZoomLevel != newZoomLevel) {
1511         m_controller->setZoomLevel(newZoomLevel);
1512         emit zoomLevelChanged(newZoomLevel);
1513     }
1514 }
1515
1516 KUrl::List DolphinView::simplifiedSelectedUrls() const
1517 {
1518     KUrl::List list = selectedUrls();
1519     if (itemsExpandable() ) {
1520         list = KDirModel::simplifiedUrlList(list);
1521     }
1522     return list;
1523 }
1524
1525 QMimeData* DolphinView::selectionMimeData() const
1526 {
1527     if (isColumnViewActive()) {
1528         return m_columnView->selectionMimeData();
1529     }
1530
1531     const QAbstractItemView* view = itemView();
1532     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1533     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1534     return m_dolphinModel->mimeData(selection.indexes());
1535 }
1536
1537
1538 #include "dolphinview.moc"