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_mode(DolphinView::IconsView),
  94     m_topLayout(0),
  95     m_controller(0),
  96     m_iconsView(0),
  97     m_detailsView(0),
  98     m_columnView(0),
  99     m_fileItemDelegate(0),
 100     m_selectionModel(0),
 101     m_dolphinModel(dolphinModel),
 102     m_dirLister(dirLister),
 103     m_proxyModel(proxyModel),
 104     m_previewGenerator(0),
 105     m_toolTipManager(0),
 106     m_rootUrl(),
 107     m_activeItemUrl(),
 108     m_createdItemUrl(),
 109     m_selectedItems(),
 110     m_newFileNames(),
 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     m_newFileNames.clear();
 611     updateView(url, KUrl());
 612 }
 613
 614 void DolphinView::changeSelection(const KFileItemList& selection)
 615 {
 616     clearSelection();
 617     if (selection.isEmpty()) {
 618         return;
 619     }
 620     const KUrl& baseUrl = url();
 621     KUrl url;
 622     QItemSelection newSelection;
 623     foreach(const KFileItem& item, selection) {
 624         url = item.url().upUrl();
 625         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 626             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 627             newSelection.select(index, index);
 628         }
 629     }
 630     itemView()->selectionModel()->select(newSelection,
 631                                          QItemSelectionModel::ClearAndSelect
 632                                          | QItemSelectionModel::Current);
 633 }
 634
 635 void DolphinView::renameSelectedItems()
 636 {
 637     KFileItemList items = selectedItems();
 638     const int itemCount = items.count();
 639     if (itemCount < 1) {
 640         return;
 641     }
 642
 643     if (itemCount > 1) {
 644         // More than one item has been selected for renaming. Open
 645         // a rename dialog and rename all items afterwards.
 646         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 647         if (dialog->exec() == QDialog::Rejected) {
 648             delete dialog;
 649             return;
 650         }
 651
 652         const QString newName = dialog->newName();
 653         if (newName.isEmpty()) {
 654             emit errorMessage(dialog->errorString());
 655             delete dialog;
 656             return;
 657         }
 658         delete dialog;
 659
 660         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 661         // as one operation instead of n rename operations like it is done now...
 662         Q_ASSERT(newName.contains('#'));
 663
 664         // currently the items are sorted by the selection order, resort
 665         // them by the file name
 666         qSort(items.begin(), items.end(), lessThan);
 667
 668         // iterate through all selected items and rename them...
 669         int index = 1;
 670         foreach (const KFileItem& item, items) {
 671             const KUrl& oldUrl = item.url();
 672             QString number;
 673             number.setNum(index++);
 674
 675             QString name = newName;
 676             name.replace('#', number);
 677
 678             if (oldUrl.fileName() != name) {
 679                 KUrl newUrl = oldUrl;
 680                 newUrl.setFileName(name);
 681                 KonqOperations::rename(this, oldUrl, newUrl);
 682             }
 683         }
 684     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 685         Q_ASSERT(itemCount == 1);
 686
 687         if (isColumnViewActive()) {
 688             m_columnView->editItem(items.first());
 689         } else {
 690             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 691             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 692             itemView()->edit(proxyIndex);
 693         }
 694     } else {
 695         Q_ASSERT(itemCount == 1);
 696
 697         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 698         if (dialog->exec() == QDialog::Rejected) {
 699             delete dialog;
 700             return;
 701         }
 702
 703         const QString newName = dialog->newName();
 704         if (newName.isEmpty()) {
 705             emit errorMessage(dialog->errorString());
 706             delete dialog;
 707             return;
 708         }
 709         delete dialog;
 710
 711         const KUrl& oldUrl = items.first().url();
 712         KUrl newUrl = oldUrl;
 713         newUrl.setFileName(newName);
 714         KonqOperations::rename(this, oldUrl, newUrl);
 715     }
 716
 717     // assure that the current index remains visible when KDirLister
 718     // will notify the view about changed items
 719     m_assureVisibleCurrentIndex = true;
 720 }
 721
 722 void DolphinView::trashSelectedItems()
 723 {
 724     const KUrl::List list = simplifiedSelectedUrls();
 725     KonqOperations::del(this, KonqOperations::TRASH, list);
 726 }
 727
 728 void DolphinView::deleteSelectedItems()
 729 {
 730     const KUrl::List list = simplifiedSelectedUrls();
 731     const bool del = KonqOperations::askDeleteConfirmation(list,
 732                      KonqOperations::DEL,
 733                      KonqOperations::DEFAULT_CONFIRMATION,
 734                      this);
 735
 736     if (del) {
 737         KIO::Job* job = KIO::del(list);
 738         connect(job, SIGNAL(result(KJob*)),
 739                 this, SLOT(slotDeleteFileFinished(KJob*)));
 740     }
 741 }
 742
 743 void DolphinView::cutSelectedItems()
 744 {
 745     QMimeData* mimeData = selectionMimeData();
 746     KonqMimeData::addIsCutSelection(mimeData, true);
 747     QApplication::clipboard()->setMimeData(mimeData);
 748 }
 749
 750 void DolphinView::copySelectedItems()
 751 {
 752     QMimeData* mimeData = selectionMimeData();
 753     QApplication::clipboard()->setMimeData(mimeData);
 754 }
 755
 756 void DolphinView::paste()
 757 {
 758     pasteToUrl(url());
 759 }
 760
 761 void DolphinView::pasteIntoFolder()
 762 {
 763     const KFileItemList items = selectedItems();
 764     if ((items.count() == 1) && items.first().isDir()) {
 765         pasteToUrl(items.first().url());
 766     }
 767 }
 768
 769 void DolphinView::setShowPreview(bool show)
 770 {
 771     if (m_showPreview == show) {
 772         return;
 773     }
 774
 775     const KUrl viewPropsUrl = viewPropertiesUrl();
 776     ViewProperties props(viewPropsUrl);
 777     props.setShowPreview(show);
 778
 779     m_showPreview = show;
 780     m_previewGenerator->setPreviewShown(show);
 781
 782     const int oldZoomLevel = m_controller->zoomLevel();
 783     emit showPreviewChanged();
 784
 785     // Enabling or disabling the preview might change the icon size of the view.
 786     // As the view does not emit a signal when the icon size has been changed,
 787     // the used zoom level of the controller must be adjusted manually:
 788     updateZoomLevel(oldZoomLevel);
 789
 790     loadDirectory(viewPropsUrl);
 791 }
 792
 793 void DolphinView::setShowHiddenFiles(bool show)
 794 {
 795     if (m_dirLister->showingDotFiles() == show) {
 796         return;
 797     }
 798
 799     const KUrl viewPropsUrl = viewPropertiesUrl();
 800     ViewProperties props(viewPropsUrl);
 801     props.setShowHiddenFiles(show);
 802
 803     m_dirLister->setShowingDotFiles(show);
 804     emit showHiddenFilesChanged();
 805
 806     loadDirectory(viewPropsUrl);
 807 }
 808
 809 void DolphinView::setCategorizedSorting(bool categorized)
 810 {
 811     if (categorized == categorizedSorting()) {
 812         return;
 813     }
 814
 815     // setCategorizedSorting(true) may only get invoked
 816     // if the view supports categorized sorting
 817     Q_ASSERT(!categorized || supportsCategorizedSorting());
 818
 819     ViewProperties props(viewPropertiesUrl());
 820     props.setCategorizedSorting(categorized);
 821     props.save();
 822
 823     m_storedCategorizedSorting = categorized;
 824     m_proxyModel->setCategorizedModel(categorized);
 825
 826     emit categorizedSortingChanged();
 827 }
 828
 829 void DolphinView::toggleSortOrder()
 830 {
 831     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 832                                 Qt::DescendingOrder :
 833                                 Qt::AscendingOrder;
 834     setSortOrder(order);
 835 }
 836
 837 void DolphinView::toggleSortFoldersFirst()
 838 {
 839     setSortFoldersFirst(!sortFoldersFirst());
 840 }
 841
 842 void DolphinView::toggleAdditionalInfo(QAction* action)
 843 {
 844     const KFileItemDelegate::Information info =
 845         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 846
 847     KFileItemDelegate::InformationList list = additionalInfo();
 848
 849     const bool show = action->isChecked();
 850
 851     const int index = list.indexOf(info);
 852     const bool containsInfo = (index >= 0);
 853     if (show && !containsInfo) {
 854         list.append(info);
 855         setAdditionalInfo(list);
 856     } else if (!show && containsInfo) {
 857         list.removeAt(index);
 858         setAdditionalInfo(list);
 859         Q_ASSERT(list.indexOf(info) < 0);
 860     }
 861 }
 862
 863 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 864 {
 865     QWidget::mouseReleaseEvent(event);
 866     setActive(true);
 867 }
 868
 869 void DolphinView::wheelEvent(QWheelEvent* event)
 870 {
 871     if (event->modifiers() & Qt::ControlModifier) {
 872         const int delta = event->delta();
 873         const int level = zoomLevel();
 874         if (delta > 0) {
 875             setZoomLevel(level + 1);
 876         } else if (delta < 0) {
 877             setZoomLevel(level - 1);
 878         }
 879         event->accept();
 880     }
 881 }
 882
 883 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 884 {
 885     switch (event->type()) {
 886     case QEvent::FocusIn:
 887         if (watched == itemView()) {
 888             m_controller->requestActivation();
 889         }
 890         break;
 891
 892     case QEvent::MouseButtonPress:
 893         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 894             // Listening to a mousebutton press event to delete expanded views is a
 895             // workaround, as it seems impossible for the FolderExpander to know when
 896             // a dragging outside a view has been finished. However it works quite well:
 897             // A mousebutton press event indicates that a drag operation must be
 898             // finished already.
 899             m_expandedDragSource->deleteLater();
 900             m_expandedDragSource = 0;
 901         }
 902         break;
 903
 904     case QEvent::DragEnter:
 905         if (watched == itemView()->viewport()) {
 906             setActive(true);
 907         }
 908         break;
 909
 910     case QEvent::KeyPress:
 911         if (watched == itemView()) {
 912             if (m_toolTipManager != 0) {
 913                 m_toolTipManager->hideTip();
 914             }
 915
 916             // clear the selection when Escape has been pressed
 917             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 918             if (keyEvent->key() == Qt::Key_Escape) {
 919                 clearSelection();
 920             }
 921         }
 922         break;
 923
 924     default:
 925         break;
 926     }
 927
 928     return QWidget::eventFilter(watched, event);
 929 }
 930
 931 void DolphinView::activate()
 932 {
 933     setActive(true);
 934 }
 935
 936 void DolphinView::triggerItem(const KFileItem& item)
 937 {
 938     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 939     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 940         // items are selected by the user, hence don't trigger the
 941         // item specified by 'index'
 942         return;
 943     }
 944
 945     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 946     if (item.isNull() || m_isContextMenuOpen) {
 947         return;
 948     }
 949
 950     if (m_toolTipManager != 0) {
 951         m_toolTipManager->hideTip();
 952     }
 953     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 954 }
 955
 956 void DolphinView::emitSelectionChangedSignal()
 957 {
 958     emit selectionChanged(DolphinView::selectedItems());
 959 }
 960
 961 void DolphinView::openContextMenu(const QPoint& pos,
 962                                   const QList<QAction*>& customActions)
 963 {
 964     KFileItem item;
 965     if (isColumnViewActive()) {
 966         item = m_columnView->itemAt(pos);
 967     } else {
 968         const QModelIndex index = itemView()->indexAt(pos);
 969         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 970             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 971             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 972         }
 973     }
 974
 975     if (m_toolTipManager != 0) {
 976         m_toolTipManager->hideTip();
 977     }
 978
 979     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 980     emit requestContextMenu(item, url(), customActions);
 981     m_isContextMenuOpen = false;
 982 }
 983
 984 void DolphinView::dropUrls(const KFileItem& destItem,
 985                            const KUrl& destPath,
 986                            QDropEvent* event)
 987 {
 988     addNewFileNames(event->mimeData());
 989     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 990 }
 991
 992 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 993 {
 994     ViewProperties props(viewPropertiesUrl());
 995     props.setSorting(sorting);
 996
 997     m_proxyModel->setSorting(sorting);
 998
 999     emit sortingChanged(sorting);
1000 }
1001
1002 void DolphinView::updateSortOrder(Qt::SortOrder order)
1003 {
1004     ViewProperties props(viewPropertiesUrl());
1005     props.setSortOrder(order);
1006
1007     m_proxyModel->setSortOrder(order);
1008
1009     emit sortOrderChanged(order);
1010 }
1011
1012 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1013 {
1014     ViewProperties props(viewPropertiesUrl());
1015     props.setSortFoldersFirst(foldersFirst);
1016
1017     m_proxyModel->setSortFoldersFirst(foldersFirst);
1018
1019     emit sortFoldersFirstChanged(foldersFirst);
1020 }
1021
1022 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1023 {
1024     ViewProperties props(viewPropertiesUrl());
1025     props.setAdditionalInfo(info);
1026     props.save();
1027
1028     m_fileItemDelegate->setShowInformation(info);
1029
1030     emit additionalInfoChanged();
1031 }
1032
1033 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1034 {
1035     const bool enable = (m_mode == DolphinView::DetailsView) ||
1036                         (m_mode == DolphinView::IconsView);
1037
1038     QAction* showSizeInfo = collection->action("show_size_info");
1039     QAction* showDateInfo = collection->action("show_date_info");
1040     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1041     QAction* showOwnerInfo = collection->action("show_owner_info");
1042     QAction* showGroupInfo = collection->action("show_group_info");
1043     QAction* showMimeInfo = collection->action("show_mime_info");
1044
1045     showSizeInfo->setChecked(false);
1046     showDateInfo->setChecked(false);
1047     showPermissionsInfo->setChecked(false);
1048     showOwnerInfo->setChecked(false);
1049     showGroupInfo->setChecked(false);
1050     showMimeInfo->setChecked(false);
1051
1052     showSizeInfo->setEnabled(enable);
1053     showDateInfo->setEnabled(enable);
1054     showPermissionsInfo->setEnabled(enable);
1055     showOwnerInfo->setEnabled(enable);
1056     showGroupInfo->setEnabled(enable);
1057     showMimeInfo->setEnabled(enable);
1058
1059     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1060         switch (info) {
1061         case KFileItemDelegate::Size:
1062             showSizeInfo->setChecked(true);
1063             break;
1064         case KFileItemDelegate::ModificationTime:
1065             showDateInfo->setChecked(true);
1066             break;
1067         case KFileItemDelegate::Permissions:
1068             showPermissionsInfo->setChecked(true);
1069             break;
1070         case KFileItemDelegate::Owner:
1071             showOwnerInfo->setChecked(true);
1072             break;
1073         case KFileItemDelegate::OwnerAndGroup:
1074             showGroupInfo->setChecked(true);
1075             break;
1076         case KFileItemDelegate::FriendlyMimeType:
1077             showMimeInfo->setChecked(true);
1078             break;
1079         default:
1080             break;
1081         }
1082     }
1083 }
1084
1085 QPair<bool, QString> DolphinView::pasteInfo() const
1086 {
1087     return KonqOperations::pasteInfo(url());
1088 }
1089
1090 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1091 {
1092     m_tabsForFiles = tabsForFiles;
1093 }
1094
1095 bool DolphinView::isTabsForFilesEnabled() const
1096 {
1097     return m_tabsForFiles;
1098 }
1099
1100 void DolphinView::activateItem(const KUrl& url)
1101 {
1102     m_activeItemUrl = url;
1103 }
1104
1105 bool DolphinView::itemsExpandable() const
1106 {
1107     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1108 }
1109
1110 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1111 {
1112     if (view == 0)
1113         return;
1114
1115     if (DragAndDropHelper::instance().isDragSource(view)) {
1116         // We must store for later deletion.
1117         if (m_expandedDragSource != 0) {
1118             // The old stored view is obviously not the drag source anymore.
1119             m_expandedDragSource->deleteLater();
1120             m_expandedDragSource = 0;
1121         }
1122         view->hide();
1123         m_expandedDragSource = view;
1124     }
1125     else {
1126         view->deleteLater();
1127     }
1128 }
1129
1130 void DolphinView::observeCreatedItem(const KUrl& url)
1131 {
1132     m_createdItemUrl = url;
1133     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1134             this, SLOT(selectAndScrollToCreatedItem()));
1135 }
1136
1137 void DolphinView::selectAndScrollToCreatedItem()
1138 {
1139     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1140     if (dirIndex.isValid()) {
1141         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1142         itemView()->setCurrentIndex(proxyIndex);
1143     }
1144
1145     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1146                this, SLOT(selectAndScrollToCreatedItem()));
1147     m_createdItemUrl = KUrl();
1148 }
1149
1150 void DolphinView::restoreSelection()
1151 {
1152     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1153     changeSelection(m_selectedItems);
1154 }
1155
1156 void DolphinView::emitContentsMoved()
1157 {
1158     // only emit the contents moved signal if:
1159     // - no directory loading is ongoing (this would reset the contents position
1160     //   always to (0, 0))
1161     // - if the Column View is active: the column view does an automatic
1162     //   positioning during the loading operation, which must be remembered
1163     if (!m_loadingDirectory || isColumnViewActive()) {
1164         const QPoint pos(contentsPosition());
1165         emit contentsMoved(pos.x(), pos.y());
1166     }
1167 }
1168
1169 void DolphinView::showHoverInformation(const KFileItem& item)
1170 {
1171     emit requestItemInfo(item);
1172 }
1173
1174 void DolphinView::clearHoverInformation()
1175 {
1176     emit requestItemInfo(KFileItem());
1177 }
1178
1179 void DolphinView::slotDeleteFileFinished(KJob* job)
1180 {
1181     if (job->error() == 0) {
1182         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1183     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1184         emit errorMessage(job->errorString());
1185     }
1186 }
1187
1188 void DolphinView::slotRequestUrlChange(const KUrl& url)
1189 {
1190     emit requestUrlChange(url);
1191     m_controller->setUrl(url);
1192 }
1193
1194 void DolphinView::slotDirListerCompleted()
1195 {
1196     if (!m_activeItemUrl.isEmpty()) {
1197         // assure that the current item remains visible
1198         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_activeItemUrl);
1199         if (dirIndex.isValid()) {
1200             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1201             QAbstractItemView* view = itemView();
1202             const bool clearSelection = !hasSelection();
1203             view->setCurrentIndex(proxyIndex);
1204             if (clearSelection) {
1205                 view->clearSelection();
1206             }
1207             m_activeItemUrl.clear();
1208         }
1209     }
1210
1211     if (!m_newFileNames.isEmpty()) {
1212         // select all newly added items created by a paste operation or
1213         // a drag & drop operation
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 (m_newFileNames.contains(url.fileName())) {
1221                 selectionModel->select(proxyIndex, QItemSelectionModel::Select);
1222             }
1223         }
1224
1225         m_newFileNames.clear();
1226     }
1227 }
1228
1229 void DolphinView::slotRefreshItems()
1230 {
1231     if (m_assureVisibleCurrentIndex) {
1232         m_assureVisibleCurrentIndex = false;
1233         itemView()->scrollTo(itemView()->currentIndex());
1234     }
1235 }
1236
1237 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1238 {
1239     if (!url.isValid()) {
1240         const QString location(url.pathOrUrl());
1241         if (location.isEmpty()) {
1242             emit errorMessage(i18nc("@info:status", "The location is empty."));
1243         } else {
1244             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1245         }
1246         return;
1247     }
1248
1249     m_loadingDirectory = true;
1250
1251     if (reload) {
1252         m_selectedItems = selectedItems();
1253         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1254     }
1255
1256     m_dirLister->stop();
1257     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1258
1259     if (isColumnViewActive()) {
1260         // adjusting the directory lister is not enough in the case of the
1261         // column view, as each column has its own directory lister internally...
1262         if (reload) {
1263             m_columnView->reload();
1264         } else {
1265             m_columnView->showColumn(url);
1266         }
1267     }
1268 }
1269
1270 KUrl DolphinView::viewPropertiesUrl() const
1271 {
1272     if (isColumnViewActive()) {
1273         return m_columnView->rootUrl();
1274     }
1275
1276     return url();
1277 }
1278
1279 void DolphinView::applyViewProperties(const KUrl& url)
1280 {
1281     if (m_ignoreViewProperties) {
1282         return;
1283     }
1284
1285     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1286         // The column view is active, hence don't apply the view properties
1287         // of sub directories (represented by columns) to the view. The
1288         // view always represents the properties of the first column.
1289         return;
1290     }
1291
1292     const ViewProperties props(url);
1293
1294     const Mode mode = props.viewMode();
1295     if (m_mode != mode) {
1296         const int oldZoomLevel = m_controller->zoomLevel();
1297
1298         m_mode = mode;
1299         createView();
1300         emit modeChanged();
1301
1302         updateZoomLevel(oldZoomLevel);
1303     }
1304     if (itemView() == 0) {
1305         createView();
1306     }
1307     Q_ASSERT(itemView() != 0);
1308     Q_ASSERT(m_fileItemDelegate != 0);
1309
1310     const bool showHiddenFiles = props.showHiddenFiles();
1311     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1312         m_dirLister->setShowingDotFiles(showHiddenFiles);
1313         emit showHiddenFilesChanged();
1314     }
1315
1316     m_storedCategorizedSorting = props.categorizedSorting();
1317     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1318     if (categorized != m_proxyModel->isCategorizedModel()) {
1319         m_proxyModel->setCategorizedModel(categorized);
1320         emit categorizedSortingChanged();
1321     }
1322
1323     const DolphinView::Sorting sorting = props.sorting();
1324     if (sorting != m_proxyModel->sorting()) {
1325         m_proxyModel->setSorting(sorting);
1326         emit sortingChanged(sorting);
1327     }
1328
1329     const Qt::SortOrder sortOrder = props.sortOrder();
1330     if (sortOrder != m_proxyModel->sortOrder()) {
1331         m_proxyModel->setSortOrder(sortOrder);
1332         emit sortOrderChanged(sortOrder);
1333     }
1334
1335     const bool sortFoldersFirst = props.sortFoldersFirst();
1336     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1337         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1338         emit sortFoldersFirstChanged(sortFoldersFirst);
1339     }
1340
1341     KFileItemDelegate::InformationList info = props.additionalInfo();
1342     if (info != m_fileItemDelegate->showInformation()) {
1343         m_fileItemDelegate->setShowInformation(info);
1344         emit additionalInfoChanged();
1345     }
1346
1347     const bool showPreview = props.showPreview();
1348     if (showPreview != m_showPreview) {
1349         m_showPreview = showPreview;
1350         m_previewGenerator->setPreviewShown(showPreview);
1351
1352         const int oldZoomLevel = m_controller->zoomLevel();
1353         emit showPreviewChanged();
1354
1355         // Enabling or disabling the preview might change the icon size of the view.
1356         // As the view does not emit a signal when the icon size has been changed,
1357         // the used zoom level of the controller must be adjusted manually:
1358         updateZoomLevel(oldZoomLevel);
1359     }
1360
1361     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1362         // During the lifetime of a DolphinView instance the global view properties
1363         // should not be changed. This allows e. g. to split a view and use different
1364         // view properties for each view.
1365         m_ignoreViewProperties = true;
1366     }
1367 }
1368
1369 void DolphinView::createView()
1370 {
1371     deleteView();
1372     Q_ASSERT(m_iconsView == 0);
1373     Q_ASSERT(m_detailsView == 0);
1374     Q_ASSERT(m_columnView == 0);
1375
1376     QAbstractItemView* view = 0;
1377     switch (m_mode) {
1378     case IconsView: {
1379         m_iconsView = new DolphinIconsView(this, m_controller);
1380         view = m_iconsView;
1381         break;
1382     }
1383
1384     case DetailsView:
1385         m_detailsView = new DolphinDetailsView(this, m_controller);
1386         view = m_detailsView;
1387         break;
1388
1389     case ColumnView:
1390         m_columnView = new DolphinColumnView(this, m_controller);
1391         view = m_columnView;
1392         break;
1393     }
1394
1395     Q_ASSERT(view != 0);
1396     view->installEventFilter(this);
1397     view->viewport()->installEventFilter(this);
1398     setFocusProxy(view);
1399
1400     if (m_mode != ColumnView) {
1401         // Give the view the ability to auto-expand its directories on hovering
1402         // (the column view takes care about this itself). If the details view
1403         // uses expandable folders, the auto-expanding should be used always.
1404         DolphinSettings& settings = DolphinSettings::instance();
1405         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1406                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1407
1408         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1409         folderExpander->setEnabled(enabled);
1410         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1411                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1412     }
1413     else {
1414         // Listen out for requests to delete the current column.
1415         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1416                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1417     }
1418
1419     m_controller->setItemView(view);
1420
1421     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1422     m_fileItemDelegate->setShowToolTipWhenElided(false);
1423     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1424     view->setItemDelegate(m_fileItemDelegate);
1425
1426     view->setModel(m_proxyModel);
1427     if (m_selectionModel != 0) {
1428         view->setSelectionModel(m_selectionModel);
1429     } else {
1430         m_selectionModel = view->selectionModel();
1431     }
1432
1433     // reparent the selection model, as it should not be deleted
1434     // when deleting the model
1435     m_selectionModel->setParent(this);
1436
1437     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1438
1439     m_previewGenerator = new KFilePreviewGenerator(view);
1440     m_previewGenerator->setPreviewShown(m_showPreview);
1441
1442     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1443         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1444         connect(m_controller, SIGNAL(hideToolTip()),
1445                 m_toolTipManager, SLOT(hideTip()));
1446     }
1447
1448     m_topLayout->insertWidget(1, view);
1449
1450     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1451             this, SLOT(emitSelectionChangedSignal()));
1452     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1453             this, SLOT(emitContentsMoved()));
1454     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1455             this, SLOT(emitContentsMoved()));
1456 }
1457
1458 void DolphinView::deleteView()
1459 {
1460     QAbstractItemView* view = itemView();
1461     if (view != 0) {
1462         // It's important to set the keyboard focus to the parent
1463         // before deleting the view: Otherwise when having a split
1464         // view the other view will get the focus and will request
1465         // an activation (see DolphinView::eventFilter()).
1466         setFocusProxy(0);
1467         setFocus();
1468
1469         m_topLayout->removeWidget(view);
1470         view->close();
1471
1472         // m_previewGenerator's parent is not always destroyed, and we
1473         // don't want two active at once - manually delete.
1474         delete m_previewGenerator;
1475         m_previewGenerator = 0;
1476
1477         disconnect(view);
1478         m_controller->disconnect(view);
1479         view->disconnect();
1480
1481         deleteWhenNotDragSource(view);
1482         view = 0;
1483
1484         m_iconsView = 0;
1485         m_detailsView = 0;
1486         m_columnView = 0;
1487         m_fileItemDelegate = 0;
1488         m_toolTipManager = 0;
1489     }
1490 }
1491
1492 QAbstractItemView* DolphinView::itemView() const
1493 {
1494     if (m_detailsView != 0) {
1495         return m_detailsView;
1496     } else if (m_columnView != 0) {
1497         return m_columnView;
1498     }
1499
1500     return m_iconsView;
1501 }
1502
1503 void DolphinView::pasteToUrl(const KUrl& url)
1504 {
1505     addNewFileNames(QApplication::clipboard()->mimeData());
1506     KonqOperations::doPaste(this, url);
1507 }
1508
1509 void DolphinView::updateZoomLevel(int oldZoomLevel)
1510 {
1511     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1512     if (oldZoomLevel != newZoomLevel) {
1513         m_controller->setZoomLevel(newZoomLevel);
1514         emit zoomLevelChanged(newZoomLevel);
1515     }
1516 }
1517
1518 KUrl::List DolphinView::simplifiedSelectedUrls() const
1519 {
1520     KUrl::List list = selectedUrls();
1521     if (itemsExpandable() ) {
1522         list = KDirModel::simplifiedUrlList(list);
1523     }
1524     return list;
1525 }
1526
1527 QMimeData* DolphinView::selectionMimeData() const
1528 {
1529     if (isColumnViewActive()) {
1530         return m_columnView->selectionMimeData();
1531     }
1532
1533     const QAbstractItemView* view = itemView();
1534     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1535     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1536     return m_dolphinModel->mimeData(selection.indexes());
1537 }
1538
1539 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1540 {
1541     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1542     foreach (const KUrl& url, urls) {
1543         m_newFileNames.insert(url.fileName());
1544     }
1545 }
1546
1547 #include "dolphinview.moc"