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 #include <kdebug.h>
  71
  72 /**
  73  * Helper function for sorting items with qSort() in
  74  * DolphinView::renameSelectedItems().
  75  */
  76 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  77 {
  78     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  79 }
  80
  81 DolphinView::DolphinView(QWidget* parent,
  82                          const KUrl& url,
  83                          KDirLister* dirLister,
  84                          DolphinModel* dolphinModel,
  85                          DolphinSortFilterProxyModel* proxyModel) :
  86     QWidget(parent),
  87     m_active(true),
  88     m_showPreview(false),
  89     m_loadingDirectory(false),
  90     m_storedCategorizedSorting(false),
  91     m_tabsForFiles(false),
  92     m_isContextMenuOpen(false),
  93     m_ignoreViewProperties(false),
  94     m_assureVisibleCurrentIndex(false),
  95     m_mode(DolphinView::IconsView),
  96     m_topLayout(0),
  97     m_controller(0),
  98     m_iconsView(0),
  99     m_detailsView(0),
 100     m_columnView(0),
 101     m_fileItemDelegate(0),
 102     m_selectionModel(0),
 103     m_dolphinModel(dolphinModel),
 104     m_dirLister(dirLister),
 105     m_proxyModel(proxyModel),
 106     m_previewGenerator(0),
 107     m_toolTipManager(0),
 108     m_rootUrl(),
 109     m_currentItemUrl(),
 110     m_createdItemUrl(),
 111     m_selectedItems(),
 112     m_newFileNames(),
 113     m_expandedDragSource(0)
 114 {
 115     m_topLayout = new QVBoxLayout(this);
 116     m_topLayout->setSpacing(0);
 117     m_topLayout->setMargin(0);
 118
 119     m_controller = new DolphinController(this);
 120     m_controller->setUrl(url);
 121
 122     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 123             this, SIGNAL(urlChanged(const KUrl&)));
 124     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 125             this, SLOT(slotRequestUrlChange(const KUrl&)));
 126
 127     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 128             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 129     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 130             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 131     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 132             this, SLOT(updateSorting(DolphinView::Sorting)));
 133     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 134             this, SLOT(updateSortOrder(Qt::SortOrder)));
 135     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 136             this, SLOT(updateSortFoldersFirst(bool)));
 137     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 138             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 139     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 140             this, SLOT(triggerItem(const KFileItem&)));
 141     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 142             this, SIGNAL(tabRequested(const KUrl&)));
 143     connect(m_controller, SIGNAL(activated()),
 144             this, SLOT(activate()));
 145     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 146             this, SLOT(showHoverInformation(const KFileItem&)));
 147     connect(m_controller, SIGNAL(viewportEntered()),
 148             this, SLOT(clearHoverInformation()));
 149
 150     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 151             this, SIGNAL(redirection(KUrl, KUrl)));
 152     connect(m_dirLister, SIGNAL(completed()),
 153             this, SLOT(slotDirListerCompleted()));
 154     connect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 155             this, SLOT(slotRefreshItems()));
 156
 157     // When a new item has been created by the "Create New..." menu, the item should
 158     // get selected and it must be assured that the item will get visible. As the
 159     // creation is done asynchronously, several signals must be checked:
 160     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 161             this, SLOT(observeCreatedItem(const KUrl&)));
 162
 163     applyViewProperties(url);
 164     m_topLayout->addWidget(itemView());
 165 }
 166
 167 DolphinView::~DolphinView()
 168 {
 169     delete m_expandedDragSource;
 170     m_expandedDragSource = 0;
 171 }
 172
 173 const KUrl& DolphinView::url() const
 174 {
 175     return m_controller->url();
 176 }
 177
 178 KUrl DolphinView::rootUrl() const
 179 {
 180     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 181 }
 182
 183 void DolphinView::setActive(bool active)
 184 {
 185     if (active == m_active) {
 186         return;
 187     }
 188
 189     m_active = active;
 190
 191     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 192     if (active) {
 193         emit selectionChanged(selectedItems());
 194     } else {
 195         color.setAlpha(150);
 196     }
 197
 198     QWidget* viewport = itemView()->viewport();
 199     QPalette palette;
 200     palette.setColor(viewport->backgroundRole(), color);
 201     viewport->setPalette(palette);
 202
 203     update();
 204
 205     if (active) {
 206         itemView()->setFocus();
 207         emit activated();
 208     }
 209
 210     m_controller->indicateActivationChange(active);
 211 }
 212
 213 bool DolphinView::isActive() const
 214 {
 215     return m_active;
 216 }
 217
 218 void DolphinView::setMode(Mode mode)
 219 {
 220     if (mode == m_mode) {
 221         return; // the wished mode is already set
 222     }
 223
 224     const int oldZoomLevel = m_controller->zoomLevel();
 225     m_mode = mode;
 226
 227     deleteView();
 228
 229     const KUrl viewPropsUrl = viewPropertiesUrl();
 230     ViewProperties props(viewPropsUrl);
 231     props.setViewMode(m_mode);
 232     createView();
 233
 234     // the file item delegate has been recreated, apply the current
 235     // additional information manually
 236     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 237     m_fileItemDelegate->setShowInformation(infoList);
 238     emit additionalInfoChanged();
 239
 240     // Not all view modes support categorized sorting. Adjust the sorting model
 241     // if changing the view mode results in a change of the categorized sorting
 242     // capabilities.
 243     m_storedCategorizedSorting = props.categorizedSorting();
 244     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 245     if (categorized != m_proxyModel->isCategorizedModel()) {
 246         m_proxyModel->setCategorizedModel(categorized);
 247         emit categorizedSortingChanged();
 248     }
 249
 250     emit modeChanged();
 251
 252     updateZoomLevel(oldZoomLevel);
 253     if (m_showPreview) {
 254         loadDirectory(viewPropsUrl);
 255     }
 256 }
 257
 258 DolphinView::Mode DolphinView::mode() const
 259 {
 260     return m_mode;
 261 }
 262
 263 bool DolphinView::showPreview() const
 264 {
 265     return m_showPreview;
 266 }
 267
 268 bool DolphinView::showHiddenFiles() const
 269 {
 270     return m_dirLister->showingDotFiles();
 271 }
 272
 273 bool DolphinView::categorizedSorting() const
 274 {
 275     // If all view modes would support categorized sorting, returning
 276     // m_proxyModel->isCategorizedModel() would be the way to go. As
 277     // currently only the icons view supports caterized sorting, we remember
 278     // the stored view properties state in m_storedCategorizedSorting and
 279     // return this state. The application takes care to disable the corresponding
 280     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 281     // that this setting is not applied to the current view mode.
 282     return m_storedCategorizedSorting;
 283 }
 284
 285 bool DolphinView::supportsCategorizedSorting() const
 286 {
 287     return m_iconsView != 0;
 288 }
 289
 290 void DolphinView::selectAll()
 291 {
 292     QAbstractItemView* view = itemView();
 293     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 294     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 295     // selection instead of selecting all items. This is bypassed for KDE 4.0
 296     // by invoking clearSelection() first.
 297     view->clearSelection();
 298     view->selectAll();
 299 }
 300
 301 void DolphinView::invertSelection()
 302 {
 303     if (isColumnViewActive()) {
 304         // QAbstractItemView does not offer a virtual method invertSelection()
 305         // as counterpart to QAbstractItemView::selectAll(). This makes it
 306         // necessary to delegate the inverting of the selection to the
 307         // column view, as only the selection of the active column should
 308         // get inverted.
 309         m_columnView->invertSelection();
 310     } else {
 311         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 312         const QAbstractItemModel* itemModel = selectionModel->model();
 313
 314         const QModelIndex topLeft = itemModel->index(0, 0);
 315         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 316                                                          itemModel->columnCount() - 1);
 317
 318         const QItemSelection selection(topLeft, bottomRight);
 319         selectionModel->select(selection, QItemSelectionModel::Toggle);
 320     }
 321 }
 322
 323 bool DolphinView::hasSelection() const
 324 {
 325     return itemView()->selectionModel()->hasSelection();
 326 }
 327
 328 void DolphinView::clearSelection()
 329 {
 330     QItemSelectionModel* selModel = itemView()->selectionModel();
 331     const QModelIndex currentIndex = selModel->currentIndex();
 332     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 333                                             QItemSelectionModel::Clear);
 334 }
 335
 336 KFileItemList DolphinView::selectedItems() const
 337 {
 338     if (isColumnViewActive()) {
 339         return m_columnView->selectedItems();
 340     }
 341
 342     const QAbstractItemView* view = itemView();
 343
 344     // Our view has a selection, we will map them back to the DolphinModel
 345     // and then fill the KFileItemList.
 346     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 347
 348     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 349     KFileItemList itemList;
 350
 351     const QModelIndexList indexList = selection.indexes();
 352     foreach (const QModelIndex &index, indexList) {
 353         KFileItem item = m_dolphinModel->itemForIndex(index);
 354         if (!item.isNull()) {
 355             itemList.append(item);
 356         }
 357     }
 358
 359     return itemList;
 360 }
 361
 362 KUrl::List DolphinView::selectedUrls() const
 363 {
 364     KUrl::List urls;
 365     const KFileItemList list = selectedItems();
 366     foreach (const KFileItem &item, list) {
 367         urls.append(item.url());
 368     }
 369     return urls;
 370 }
 371
 372 int DolphinView::selectedItemsCount() const
 373 {
 374     if (isColumnViewActive()) {
 375         // TODO: get rid of this special case by adjusting the dir lister
 376         // to the current column
 377         return m_columnView->selectedItems().count();
 378     }
 379
 380     return itemView()->selectionModel()->selection().count();
 381 }
 382
 383 void DolphinView::setContentsPosition(int x, int y)
 384 {
 385     QAbstractItemView* view = itemView();
 386
 387     // the ColumnView takes care itself for the horizontal scrolling
 388     if (!isColumnViewActive()) {
 389         view->horizontalScrollBar()->setValue(x);
 390     }
 391     view->verticalScrollBar()->setValue(y);
 392
 393     m_loadingDirectory = false;
 394 }
 395
 396 QPoint DolphinView::contentsPosition() const
 397 {
 398     const int x = itemView()->horizontalScrollBar()->value();
 399     const int y = itemView()->verticalScrollBar()->value();
 400     return QPoint(x, y);
 401 }
 402
 403 void DolphinView::setZoomLevel(int level)
 404 {
 405     if (level < ZoomLevelInfo::minimumLevel()) {
 406         level = ZoomLevelInfo::minimumLevel();
 407     } else if (level > ZoomLevelInfo::maximumLevel()) {
 408         level = ZoomLevelInfo::maximumLevel();
 409     }
 410
 411     if (level != zoomLevel()) {
 412         m_controller->setZoomLevel(level);
 413         m_previewGenerator->updateIcons();
 414         emit zoomLevelChanged(level);
 415     }
 416 }
 417
 418 int DolphinView::zoomLevel() const
 419 {
 420     return m_controller->zoomLevel();
 421 }
 422
 423 void DolphinView::setSorting(Sorting sorting)
 424 {
 425     if (sorting != this->sorting()) {
 426         updateSorting(sorting);
 427     }
 428 }
 429
 430 DolphinView::Sorting DolphinView::sorting() const
 431 {
 432     return m_proxyModel->sorting();
 433 }
 434
 435 void DolphinView::setSortOrder(Qt::SortOrder order)
 436 {
 437     if (sortOrder() != order) {
 438         updateSortOrder(order);
 439     }
 440 }
 441
 442 Qt::SortOrder DolphinView::sortOrder() const
 443 {
 444     return m_proxyModel->sortOrder();
 445 }
 446
 447 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 448 {
 449     if (sortFoldersFirst() != foldersFirst) {
 450         updateSortFoldersFirst(foldersFirst);
 451     }
 452 }
 453
 454 bool DolphinView::sortFoldersFirst() const
 455 {
 456     return m_proxyModel->sortFoldersFirst();
 457 }
 458
 459 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 460 {
 461     const KUrl viewPropsUrl = viewPropertiesUrl();
 462     ViewProperties props(viewPropsUrl);
 463     props.setAdditionalInfo(info);
 464     m_fileItemDelegate->setShowInformation(info);
 465
 466     emit additionalInfoChanged();
 467
 468     if (itemView() != m_detailsView) {
 469         // the details view requires no reloading of the directory, as it maps
 470         // the file item delegate info to its columns internally
 471         loadDirectory(viewPropsUrl);
 472     }
 473 }
 474
 475 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 476 {
 477     return m_fileItemDelegate->showInformation();
 478 }
 479
 480 void DolphinView::reload()
 481 {
 482     setUrl(url());
 483     loadDirectory(url(), true);
 484 }
 485
 486 void DolphinView::refresh()
 487 {
 488     m_ignoreViewProperties = false;
 489
 490     const bool oldActivationState = m_active;
 491     const int oldZoomLevel = m_controller->zoomLevel();
 492     m_active = true;
 493
 494     createView();
 495     applyViewProperties(m_controller->url());
 496     reload();
 497
 498     setActive(oldActivationState);
 499     updateZoomLevel(oldZoomLevel);
 500 }
 501
 502 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 503 {
 504     if (m_controller->url() == url) {
 505         return;
 506     }
 507
 508     m_previewGenerator->cancelPreviews();
 509     m_controller->setUrl(url); // emits urlChanged, which we forward
 510
 511     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 512         applyViewProperties(rootUrl);
 513         loadDirectory(rootUrl);
 514         if (itemView() == m_columnView) {
 515             m_columnView->setRootUrl(rootUrl);
 516             m_columnView->showColumn(url);
 517         }
 518     } else {
 519         applyViewProperties(url);
 520         loadDirectory(url);
 521     }
 522
 523     emit startedPathLoading(url);
 524 }
 525
 526 void DolphinView::setNameFilter(const QString& nameFilter)
 527 {
 528     m_proxyModel->setFilterRegExp(nameFilter);
 529
 530     if (isColumnViewActive()) {
 531         // adjusting the directory lister is not enough in the case of the
 532         // column view, as each column has its own directory lister internally...
 533         m_columnView->setNameFilter(nameFilter);
 534     }
 535 }
 536
 537 void DolphinView::calculateItemCount(int& fileCount,
 538                                      int& folderCount,
 539                                      KIO::filesize_t& totalFileSize) const
 540 {
 541     foreach (const KFileItem& item, m_dirLister->items()) {
 542         if (item.isDir()) {
 543             ++folderCount;
 544         } else {
 545             ++fileCount;
 546             totalFileSize += item.size();
 547         }
 548     }
 549 }
 550
 551 QString DolphinView::statusBarText() const
 552 {
 553     QString text;
 554     int folderCount = 0;
 555     int fileCount = 0;
 556     KIO::filesize_t totalFileSize = 0;
 557
 558     if (hasSelection()) {
 559         // give a summary of the status of the selected files
 560         const KFileItemList list = selectedItems();
 561         if (list.isEmpty()) {
 562             // when an item is triggered, it is temporary selected but selectedItems()
 563             // will return an empty list
 564             return text;
 565         }
 566
 567         KFileItemList::const_iterator it = list.begin();
 568         const KFileItemList::const_iterator end = list.end();
 569         while (it != end) {
 570             const KFileItem& item = *it;
 571             if (item.isDir()) {
 572                 ++folderCount;
 573             } else {
 574                 ++fileCount;
 575                 totalFileSize += item.size();
 576             }
 577             ++it;
 578         }
 579
 580         if (folderCount + fileCount == 1) {
 581             // if only one item is selected, show the filename
 582             const QString name = list.first().name();
 583             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 584                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 585                                               name, KIO::convertSize(totalFileSize));
 586         } else {
 587             // at least 2 items are selected
 588             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 589             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 590             if ((folderCount > 0) && (fileCount > 0)) {
 591                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 592                              foldersText, filesText, KIO::convertSize(totalFileSize));
 593             } else if (fileCount > 0) {
 594                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 595             } else {
 596                 Q_ASSERT(folderCount > 0);
 597                 text = foldersText;
 598             }
 599         }
 600     } else {
 601         calculateItemCount(fileCount, folderCount, totalFileSize);
 602         text = KIO::itemsSummaryString(fileCount + folderCount,
 603                                        fileCount, folderCount,
 604                                        totalFileSize, true);
 605     }
 606
 607     return text;
 608 }
 609
 610 void DolphinView::setUrl(const KUrl& url)
 611 {
 612     m_newFileNames.clear();
 613
 614     // remember current item candidate (see slotDirListerCompleted())
 615     m_currentItemUrl = url;
 616     updateView(url, KUrl());
 617 }
 618
 619 void DolphinView::changeSelection(const KFileItemList& selection)
 620 {
 621     clearSelection();
 622     if (selection.isEmpty()) {
 623         return;
 624     }
 625     const KUrl& baseUrl = url();
 626     KUrl url;
 627     QItemSelection newSelection;
 628     foreach(const KFileItem& item, selection) {
 629         url = item.url().upUrl();
 630         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 631             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 632             newSelection.select(index, index);
 633         }
 634     }
 635     itemView()->selectionModel()->select(newSelection,
 636                                          QItemSelectionModel::ClearAndSelect
 637                                          | QItemSelectionModel::Current);
 638 }
 639
 640 void DolphinView::renameSelectedItems()
 641 {
 642     KFileItemList items = selectedItems();
 643     const int itemCount = items.count();
 644     if (itemCount < 1) {
 645         return;
 646     }
 647
 648     if (itemCount > 1) {
 649         // More than one item has been selected for renaming. Open
 650         // a rename dialog and rename all items afterwards.
 651         RenameDialog dialog(this, items);
 652         if (dialog.exec() == QDialog::Rejected) {
 653             return;
 654         }
 655
 656         const QString newName = dialog.newName();
 657         if (newName.isEmpty()) {
 658             emit errorMessage(dialog.errorString());
 659             return;
 660         }
 661
 662         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 663         // as one operation instead of n rename operations like it is done now...
 664         Q_ASSERT(newName.contains('#'));
 665
 666         // currently the items are sorted by the selection order, resort
 667         // them by the file name
 668         qSort(items.begin(), items.end(), lessThan);
 669
 670         // iterate through all selected items and rename them...
 671         int index = 1;
 672         foreach (const KFileItem& item, items) {
 673             const KUrl& oldUrl = item.url();
 674             QString number;
 675             number.setNum(index++);
 676
 677             QString name = newName;
 678             name.replace('#', number);
 679
 680             if (oldUrl.fileName() != name) {
 681                 KUrl newUrl = oldUrl;
 682                 newUrl.setFileName(name);
 683                 KonqOperations::rename(this, oldUrl, newUrl);
 684             }
 685         }
 686     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 687         Q_ASSERT(itemCount == 1);
 688
 689         if (isColumnViewActive()) {
 690             m_columnView->editItem(items.first());
 691         } else {
 692             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 693             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 694             itemView()->edit(proxyIndex);
 695         }
 696     } else {
 697         Q_ASSERT(itemCount == 1);
 698
 699         RenameDialog dialog(this, items);
 700         if (dialog.exec() == QDialog::Rejected) {
 701             return;
 702         }
 703
 704         const QString& newName = dialog.newName();
 705         if (newName.isEmpty()) {
 706             emit errorMessage(dialog.errorString());
 707             return;
 708         }
 709
 710         const KUrl& oldUrl = items.first().url();
 711         KUrl newUrl = oldUrl;
 712         newUrl.setFileName(newName);
 713         KonqOperations::rename(this, oldUrl, newUrl);
 714     }
 715
 716     // assure that the current index remains visible when KDirLister
 717     // will notify the view about changed items
 718     m_assureVisibleCurrentIndex = true;
 719 }
 720
 721 void DolphinView::trashSelectedItems()
 722 {
 723     const KUrl::List list = simplifiedSelectedUrls();
 724     KonqOperations::del(this, KonqOperations::TRASH, list);
 725 }
 726
 727 void DolphinView::deleteSelectedItems()
 728 {
 729     const KUrl::List list = simplifiedSelectedUrls();
 730     const bool del = KonqOperations::askDeleteConfirmation(list,
 731                      KonqOperations::DEL,
 732                      KonqOperations::DEFAULT_CONFIRMATION,
 733                      this);
 734
 735     if (del) {
 736         KIO::Job* job = KIO::del(list);
 737         connect(job, SIGNAL(result(KJob*)),
 738                 this, SLOT(slotDeleteFileFinished(KJob*)));
 739     }
 740 }
 741
 742 void DolphinView::cutSelectedItems()
 743 {
 744     QMimeData* mimeData = selectionMimeData();
 745     KonqMimeData::addIsCutSelection(mimeData, true);
 746     QApplication::clipboard()->setMimeData(mimeData);
 747 }
 748
 749 void DolphinView::copySelectedItems()
 750 {
 751     QMimeData* mimeData = selectionMimeData();
 752     QApplication::clipboard()->setMimeData(mimeData);
 753 }
 754
 755 void DolphinView::paste()
 756 {
 757     pasteToUrl(url());
 758 }
 759
 760 void DolphinView::pasteIntoFolder()
 761 {
 762     const KFileItemList items = selectedItems();
 763     if ((items.count() == 1) && items.first().isDir()) {
 764         pasteToUrl(items.first().url());
 765     }
 766 }
 767
 768 void DolphinView::setShowPreview(bool show)
 769 {
 770     if (m_showPreview == show) {
 771         return;
 772     }
 773
 774     const KUrl viewPropsUrl = viewPropertiesUrl();
 775     ViewProperties props(viewPropsUrl);
 776     props.setShowPreview(show);
 777
 778     m_showPreview = show;
 779     m_previewGenerator->setPreviewShown(show);
 780
 781     const int oldZoomLevel = m_controller->zoomLevel();
 782     emit showPreviewChanged();
 783
 784     // Enabling or disabling the preview might change the icon size of the view.
 785     // As the view does not emit a signal when the icon size has been changed,
 786     // the used zoom level of the controller must be adjusted manually:
 787     updateZoomLevel(oldZoomLevel);
 788
 789     loadDirectory(viewPropsUrl);
 790 }
 791
 792 void DolphinView::setShowHiddenFiles(bool show)
 793 {
 794     if (m_dirLister->showingDotFiles() == show) {
 795         return;
 796     }
 797
 798     const KUrl viewPropsUrl = viewPropertiesUrl();
 799     ViewProperties props(viewPropsUrl);
 800     props.setShowHiddenFiles(show);
 801
 802     m_dirLister->setShowingDotFiles(show);
 803     emit showHiddenFilesChanged();
 804
 805     loadDirectory(viewPropsUrl);
 806 }
 807
 808 void DolphinView::setCategorizedSorting(bool categorized)
 809 {
 810     if (categorized == categorizedSorting()) {
 811         return;
 812     }
 813
 814     // setCategorizedSorting(true) may only get invoked
 815     // if the view supports categorized sorting
 816     Q_ASSERT(!categorized || supportsCategorizedSorting());
 817
 818     ViewProperties props(viewPropertiesUrl());
 819     props.setCategorizedSorting(categorized);
 820     props.save();
 821
 822     m_storedCategorizedSorting = categorized;
 823     m_proxyModel->setCategorizedModel(categorized);
 824
 825     emit categorizedSortingChanged();
 826 }
 827
 828 void DolphinView::toggleSortOrder()
 829 {
 830     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 831                                 Qt::DescendingOrder :
 832                                 Qt::AscendingOrder;
 833     setSortOrder(order);
 834 }
 835
 836 void DolphinView::toggleSortFoldersFirst()
 837 {
 838     setSortFoldersFirst(!sortFoldersFirst());
 839 }
 840
 841 void DolphinView::toggleAdditionalInfo(QAction* action)
 842 {
 843     const KFileItemDelegate::Information info =
 844         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 845
 846     KFileItemDelegate::InformationList list = additionalInfo();
 847
 848     const bool show = action->isChecked();
 849
 850     const int index = list.indexOf(info);
 851     const bool containsInfo = (index >= 0);
 852     if (show && !containsInfo) {
 853         list.append(info);
 854         setAdditionalInfo(list);
 855     } else if (!show && containsInfo) {
 856         list.removeAt(index);
 857         setAdditionalInfo(list);
 858         Q_ASSERT(list.indexOf(info) < 0);
 859     }
 860 }
 861
 862 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 863 {
 864     QWidget::mouseReleaseEvent(event);
 865     setActive(true);
 866 }
 867
 868 void DolphinView::wheelEvent(QWheelEvent* event)
 869 {
 870     if (event->modifiers() & Qt::ControlModifier) {
 871         const int delta = event->delta();
 872         const int level = zoomLevel();
 873         if (delta > 0) {
 874             setZoomLevel(level + 1);
 875         } else if (delta < 0) {
 876             setZoomLevel(level - 1);
 877         }
 878         event->accept();
 879     }
 880 }
 881
 882 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 883 {
 884     switch (event->type()) {
 885     case QEvent::FocusIn:
 886         if (watched == itemView()) {
 887             m_controller->requestActivation();
 888         }
 889         break;
 890
 891     case QEvent::MouseButtonPress:
 892         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 893             // Listening to a mousebutton press event to delete expanded views is a
 894             // workaround, as it seems impossible for the FolderExpander to know when
 895             // a dragging outside a view has been finished. However it works quite well:
 896             // A mousebutton press event indicates that a drag operation must be
 897             // finished already.
 898             m_expandedDragSource->deleteLater();
 899             m_expandedDragSource = 0;
 900         }
 901         break;
 902
 903     case QEvent::DragEnter:
 904         if (watched == itemView()->viewport()) {
 905             setActive(true);
 906         }
 907         break;
 908
 909     case QEvent::KeyPress:
 910         if (watched == itemView()) {
 911             if (m_toolTipManager != 0) {
 912                 m_toolTipManager->hideTip();
 913             }
 914
 915             // clear the selection when Escape has been pressed
 916             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 917             if (keyEvent->key() == Qt::Key_Escape) {
 918                 clearSelection();
 919             }
 920         }
 921         break;
 922
 923     default:
 924         break;
 925     }
 926
 927     return QWidget::eventFilter(watched, event);
 928 }
 929
 930 void DolphinView::activate()
 931 {
 932     setActive(true);
 933 }
 934
 935 void DolphinView::triggerItem(const KFileItem& item)
 936 {
 937     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 938     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 939         // items are selected by the user, hence don't trigger the
 940         // item specified by 'index'
 941         return;
 942     }
 943
 944     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 945     if (item.isNull() || m_isContextMenuOpen) {
 946         return;
 947     }
 948
 949     if (m_toolTipManager != 0) {
 950         m_toolTipManager->hideTip();
 951     }
 952     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 953 }
 954
 955 void DolphinView::emitSelectionChangedSignal()
 956 {
 957     emit selectionChanged(DolphinView::selectedItems());
 958 }
 959
 960 void DolphinView::openContextMenu(const QPoint& pos,
 961                                   const QList<QAction*>& customActions)
 962 {
 963     KFileItem item;
 964     if (isColumnViewActive()) {
 965         item = m_columnView->itemAt(pos);
 966     } else {
 967         const QModelIndex index = itemView()->indexAt(pos);
 968         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 969             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 970             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 971         }
 972     }
 973
 974     if (m_toolTipManager != 0) {
 975         m_toolTipManager->hideTip();
 976     }
 977
 978     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 979     emit requestContextMenu(item, url(), customActions);
 980     m_isContextMenuOpen = false;
 981 }
 982
 983 void DolphinView::dropUrls(const KFileItem& destItem,
 984                            const KUrl& destPath,
 985                            QDropEvent* event)
 986 {
 987     addNewFileNames(event->mimeData());
 988     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 989 }
 990
 991 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 992 {
 993     ViewProperties props(viewPropertiesUrl());
 994     props.setSorting(sorting);
 995
 996     m_proxyModel->setSorting(sorting);
 997
 998     emit sortingChanged(sorting);
 999 }
1000
1001 void DolphinView::updateSortOrder(Qt::SortOrder order)
1002 {
1003     ViewProperties props(viewPropertiesUrl());
1004     props.setSortOrder(order);
1005
1006     m_proxyModel->setSortOrder(order);
1007
1008     emit sortOrderChanged(order);
1009 }
1010
1011 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1012 {
1013     ViewProperties props(viewPropertiesUrl());
1014     props.setSortFoldersFirst(foldersFirst);
1015
1016     m_proxyModel->setSortFoldersFirst(foldersFirst);
1017
1018     emit sortFoldersFirstChanged(foldersFirst);
1019 }
1020
1021 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1022 {
1023     ViewProperties props(viewPropertiesUrl());
1024     props.setAdditionalInfo(info);
1025     props.save();
1026
1027     m_fileItemDelegate->setShowInformation(info);
1028
1029     emit additionalInfoChanged();
1030 }
1031
1032 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1033 {
1034     const bool enable = (m_mode == DolphinView::DetailsView) ||
1035                         (m_mode == DolphinView::IconsView);
1036
1037     QAction* showSizeInfo = collection->action("show_size_info");
1038     QAction* showDateInfo = collection->action("show_date_info");
1039     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1040     QAction* showOwnerInfo = collection->action("show_owner_info");
1041     QAction* showGroupInfo = collection->action("show_group_info");
1042     QAction* showMimeInfo = collection->action("show_mime_info");
1043
1044     showSizeInfo->setChecked(false);
1045     showDateInfo->setChecked(false);
1046     showPermissionsInfo->setChecked(false);
1047     showOwnerInfo->setChecked(false);
1048     showGroupInfo->setChecked(false);
1049     showMimeInfo->setChecked(false);
1050
1051     showSizeInfo->setEnabled(enable);
1052     showDateInfo->setEnabled(enable);
1053     showPermissionsInfo->setEnabled(enable);
1054     showOwnerInfo->setEnabled(enable);
1055     showGroupInfo->setEnabled(enable);
1056     showMimeInfo->setEnabled(enable);
1057
1058     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1059         switch (info) {
1060         case KFileItemDelegate::Size:
1061             showSizeInfo->setChecked(true);
1062             break;
1063         case KFileItemDelegate::ModificationTime:
1064             showDateInfo->setChecked(true);
1065             break;
1066         case KFileItemDelegate::Permissions:
1067             showPermissionsInfo->setChecked(true);
1068             break;
1069         case KFileItemDelegate::Owner:
1070             showOwnerInfo->setChecked(true);
1071             break;
1072         case KFileItemDelegate::OwnerAndGroup:
1073             showGroupInfo->setChecked(true);
1074             break;
1075         case KFileItemDelegate::FriendlyMimeType:
1076             showMimeInfo->setChecked(true);
1077             break;
1078         default:
1079             break;
1080         }
1081     }
1082 }
1083
1084 QPair<bool, QString> DolphinView::pasteInfo() const
1085 {
1086     return KonqOperations::pasteInfo(url());
1087 }
1088
1089 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1090 {
1091     m_tabsForFiles = tabsForFiles;
1092 }
1093
1094 bool DolphinView::isTabsForFilesEnabled() const
1095 {
1096     return m_tabsForFiles;
1097 }
1098
1099 bool DolphinView::itemsExpandable() const
1100 {
1101     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1102 }
1103
1104 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1105 {
1106     if (view == 0)
1107         return;
1108
1109     if (DragAndDropHelper::instance().isDragSource(view)) {
1110         // We must store for later deletion.
1111         if (m_expandedDragSource != 0) {
1112             // The old stored view is obviously not the drag source anymore.
1113             m_expandedDragSource->deleteLater();
1114             m_expandedDragSource = 0;
1115         }
1116         view->hide();
1117         m_expandedDragSource = view;
1118     }
1119     else {
1120         view->deleteLater();
1121     }
1122 }
1123
1124 void DolphinView::observeCreatedItem(const KUrl& url)
1125 {
1126     m_createdItemUrl = url;
1127     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1128             this, SLOT(selectAndScrollToCreatedItem()));
1129 }
1130
1131 void DolphinView::selectAndScrollToCreatedItem()
1132 {
1133     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1134     if (dirIndex.isValid()) {
1135         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1136         itemView()->setCurrentIndex(proxyIndex);
1137     }
1138
1139     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1140                this, SLOT(selectAndScrollToCreatedItem()));
1141     m_createdItemUrl = KUrl();
1142 }
1143
1144 void DolphinView::restoreSelection()
1145 {
1146     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1147     changeSelection(m_selectedItems);
1148 }
1149
1150 void DolphinView::emitContentsMoved()
1151 {
1152     // only emit the contents moved signal if:
1153     // - no directory loading is ongoing (this would reset the contents position
1154     //   always to (0, 0))
1155     // - if the Column View is active: the column view does an automatic
1156     //   positioning during the loading operation, which must be remembered
1157     if (!m_loadingDirectory || isColumnViewActive()) {
1158         const QPoint pos(contentsPosition());
1159         emit contentsMoved(pos.x(), pos.y());
1160     }
1161 }
1162
1163 void DolphinView::showHoverInformation(const KFileItem& item)
1164 {
1165     emit requestItemInfo(item);
1166 }
1167
1168 void DolphinView::clearHoverInformation()
1169 {
1170     emit requestItemInfo(KFileItem());
1171 }
1172
1173 void DolphinView::slotDeleteFileFinished(KJob* job)
1174 {
1175     if (job->error() == 0) {
1176         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1177     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1178         emit errorMessage(job->errorString());
1179     }
1180 }
1181
1182 void DolphinView::slotRequestUrlChange(const KUrl& url)
1183 {
1184     emit requestUrlChange(url);
1185     m_controller->setUrl(url);
1186 }
1187
1188 void DolphinView::slotDirListerCompleted()
1189 {
1190     if (!m_currentItemUrl.isEmpty()) {
1191         // assure that the current item remains visible
1192         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1193         if (dirIndex.isValid()) {
1194             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1195             QAbstractItemView* view = itemView();
1196             const bool clearSelection = !hasSelection();
1197             view->setCurrentIndex(proxyIndex);
1198             if (clearSelection) {
1199                 view->clearSelection();
1200             }
1201         }
1202         m_currentItemUrl.clear();
1203     }
1204
1205     if (!m_newFileNames.isEmpty()) {
1206         // select all newly added items created by a paste operation or
1207         // a drag & drop operation
1208         QItemSelectionModel* selectionModel = itemView()->selectionModel();
1209         const int rowCount = m_proxyModel->rowCount();
1210         for (int row = 0; row < rowCount; ++row) {
1211             const QModelIndex proxyIndex = m_proxyModel->index(row, 0);
1212             const QModelIndex dirIndex = m_proxyModel->mapToSource(proxyIndex);
1213             const KUrl url = m_dolphinModel->itemForIndex(dirIndex).url();
1214             if (m_newFileNames.contains(url.fileName())) {
1215                 selectionModel->select(proxyIndex, QItemSelectionModel::Select);
1216             }
1217         }
1218
1219         m_newFileNames.clear();
1220     }
1221 }
1222
1223 void DolphinView::slotRefreshItems()
1224 {
1225     if (m_assureVisibleCurrentIndex) {
1226         m_assureVisibleCurrentIndex = false;
1227         itemView()->scrollTo(itemView()->currentIndex());
1228     }
1229 }
1230
1231 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1232 {
1233     if (!url.isValid()) {
1234         const QString location(url.pathOrUrl());
1235         if (location.isEmpty()) {
1236             emit errorMessage(i18nc("@info:status", "The location is empty."));
1237         } else {
1238             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1239         }
1240         return;
1241     }
1242
1243     m_loadingDirectory = true;
1244
1245     if (reload) {
1246         m_selectedItems = selectedItems();
1247         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1248     }
1249
1250     m_dirLister->stop();
1251     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1252
1253     if (isColumnViewActive()) {
1254         // adjusting the directory lister is not enough in the case of the
1255         // column view, as each column has its own directory lister internally...
1256         if (reload) {
1257             m_columnView->reload();
1258         } else {
1259             m_columnView->showColumn(url);
1260         }
1261     }
1262 }
1263
1264 KUrl DolphinView::viewPropertiesUrl() const
1265 {
1266     if (isColumnViewActive()) {
1267         return m_columnView->rootUrl();
1268     }
1269
1270     return url();
1271 }
1272
1273 void DolphinView::applyViewProperties(const KUrl& url)
1274 {
1275     if (m_ignoreViewProperties) {
1276         return;
1277     }
1278
1279     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1280         // The column view is active, hence don't apply the view properties
1281         // of sub directories (represented by columns) to the view. The
1282         // view always represents the properties of the first column.
1283         return;
1284     }
1285
1286     const ViewProperties props(url);
1287
1288     const Mode mode = props.viewMode();
1289     if (m_mode != mode) {
1290         const int oldZoomLevel = m_controller->zoomLevel();
1291
1292         m_mode = mode;
1293         createView();
1294         emit modeChanged();
1295
1296         updateZoomLevel(oldZoomLevel);
1297     }
1298     if (itemView() == 0) {
1299         createView();
1300     }
1301     Q_ASSERT(itemView() != 0);
1302     Q_ASSERT(m_fileItemDelegate != 0);
1303
1304     const bool showHiddenFiles = props.showHiddenFiles();
1305     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1306         m_dirLister->setShowingDotFiles(showHiddenFiles);
1307         emit showHiddenFilesChanged();
1308     }
1309
1310     m_storedCategorizedSorting = props.categorizedSorting();
1311     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1312     if (categorized != m_proxyModel->isCategorizedModel()) {
1313         m_proxyModel->setCategorizedModel(categorized);
1314         emit categorizedSortingChanged();
1315     }
1316
1317     const DolphinView::Sorting sorting = props.sorting();
1318     if (sorting != m_proxyModel->sorting()) {
1319         m_proxyModel->setSorting(sorting);
1320         emit sortingChanged(sorting);
1321     }
1322
1323     const Qt::SortOrder sortOrder = props.sortOrder();
1324     if (sortOrder != m_proxyModel->sortOrder()) {
1325         m_proxyModel->setSortOrder(sortOrder);
1326         emit sortOrderChanged(sortOrder);
1327     }
1328
1329     const bool sortFoldersFirst = props.sortFoldersFirst();
1330     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1331         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1332         emit sortFoldersFirstChanged(sortFoldersFirst);
1333     }
1334
1335     KFileItemDelegate::InformationList info = props.additionalInfo();
1336     if (info != m_fileItemDelegate->showInformation()) {
1337         m_fileItemDelegate->setShowInformation(info);
1338         emit additionalInfoChanged();
1339     }
1340
1341     const bool showPreview = props.showPreview();
1342     if (showPreview != m_showPreview) {
1343         m_showPreview = showPreview;
1344         m_previewGenerator->setPreviewShown(showPreview);
1345
1346         const int oldZoomLevel = m_controller->zoomLevel();
1347         emit showPreviewChanged();
1348
1349         // Enabling or disabling the preview might change the icon size of the view.
1350         // As the view does not emit a signal when the icon size has been changed,
1351         // the used zoom level of the controller must be adjusted manually:
1352         updateZoomLevel(oldZoomLevel);
1353     }
1354
1355     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1356         // During the lifetime of a DolphinView instance the global view properties
1357         // should not be changed. This allows e. g. to split a view and use different
1358         // view properties for each view.
1359         m_ignoreViewProperties = true;
1360     }
1361 }
1362
1363 void DolphinView::createView()
1364 {
1365     deleteView();
1366     Q_ASSERT(m_iconsView == 0);
1367     Q_ASSERT(m_detailsView == 0);
1368     Q_ASSERT(m_columnView == 0);
1369
1370     QAbstractItemView* view = 0;
1371     switch (m_mode) {
1372     case IconsView: {
1373         m_iconsView = new DolphinIconsView(this, m_controller);
1374         view = m_iconsView;
1375         break;
1376     }
1377
1378     case DetailsView:
1379         m_detailsView = new DolphinDetailsView(this, m_controller);
1380         view = m_detailsView;
1381         break;
1382
1383     case ColumnView:
1384         m_columnView = new DolphinColumnView(this, m_controller);
1385         view = m_columnView;
1386         break;
1387     }
1388
1389     Q_ASSERT(view != 0);
1390     view->installEventFilter(this);
1391     view->viewport()->installEventFilter(this);
1392     setFocusProxy(view);
1393
1394     if (m_mode != ColumnView) {
1395         // Give the view the ability to auto-expand its directories on hovering
1396         // (the column view takes care about this itself). If the details view
1397         // uses expandable folders, the auto-expanding should be used always.
1398         DolphinSettings& settings = DolphinSettings::instance();
1399         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1400                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1401
1402         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1403         folderExpander->setEnabled(enabled);
1404         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1405                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1406     }
1407     else {
1408         // Listen out for requests to delete the current column.
1409         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1410                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1411     }
1412
1413     m_controller->setItemView(view);
1414
1415     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1416     m_fileItemDelegate->setShowToolTipWhenElided(false);
1417     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1418     view->setItemDelegate(m_fileItemDelegate);
1419
1420     view->setModel(m_proxyModel);
1421     if (m_selectionModel != 0) {
1422         view->setSelectionModel(m_selectionModel);
1423     } else {
1424         m_selectionModel = view->selectionModel();
1425     }
1426
1427     // reparent the selection model, as it should not be deleted
1428     // when deleting the model
1429     m_selectionModel->setParent(this);
1430
1431     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1432
1433     m_previewGenerator = new KFilePreviewGenerator(view);
1434     m_previewGenerator->setPreviewShown(m_showPreview);
1435
1436     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1437         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1438         connect(m_controller, SIGNAL(hideToolTip()),
1439                 m_toolTipManager, SLOT(hideTip()));
1440     }
1441
1442     m_topLayout->insertWidget(1, view);
1443
1444     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1445             this, SLOT(emitSelectionChangedSignal()));
1446     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1447             this, SLOT(emitContentsMoved()));
1448     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1449             this, SLOT(emitContentsMoved()));
1450 }
1451
1452 void DolphinView::deleteView()
1453 {
1454     QAbstractItemView* view = itemView();
1455     if (view != 0) {
1456         // It's important to set the keyboard focus to the parent
1457         // before deleting the view: Otherwise when having a split
1458         // view the other view will get the focus and will request
1459         // an activation (see DolphinView::eventFilter()).
1460         setFocusProxy(0);
1461         setFocus();
1462
1463         m_topLayout->removeWidget(view);
1464         view->close();
1465
1466         // m_previewGenerator's parent is not always destroyed, and we
1467         // don't want two active at once - manually delete.
1468         delete m_previewGenerator;
1469         m_previewGenerator = 0;
1470
1471         disconnect(view);
1472         m_controller->disconnect(view);
1473         view->disconnect();
1474
1475         deleteWhenNotDragSource(view);
1476         view = 0;
1477
1478         m_iconsView = 0;
1479         m_detailsView = 0;
1480         m_columnView = 0;
1481         m_fileItemDelegate = 0;
1482         m_toolTipManager = 0;
1483     }
1484 }
1485
1486 QAbstractItemView* DolphinView::itemView() const
1487 {
1488     if (m_detailsView != 0) {
1489         return m_detailsView;
1490     } else if (m_columnView != 0) {
1491         return m_columnView;
1492     }
1493
1494     return m_iconsView;
1495 }
1496
1497 void DolphinView::pasteToUrl(const KUrl& url)
1498 {
1499     addNewFileNames(QApplication::clipboard()->mimeData());
1500     KonqOperations::doPaste(this, url);
1501 }
1502
1503 void DolphinView::updateZoomLevel(int oldZoomLevel)
1504 {
1505     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1506     if (oldZoomLevel != newZoomLevel) {
1507         m_controller->setZoomLevel(newZoomLevel);
1508         emit zoomLevelChanged(newZoomLevel);
1509     }
1510 }
1511
1512 KUrl::List DolphinView::simplifiedSelectedUrls() const
1513 {
1514     KUrl::List list = selectedUrls();
1515     if (itemsExpandable() ) {
1516         list = KDirModel::simplifiedUrlList(list);
1517     }
1518     return list;
1519 }
1520
1521 QMimeData* DolphinView::selectionMimeData() const
1522 {
1523     if (isColumnViewActive()) {
1524         return m_columnView->selectionMimeData();
1525     }
1526
1527     const QAbstractItemView* view = itemView();
1528     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1529     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1530     return m_dolphinModel->mimeData(selection.indexes());
1531 }
1532
1533 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1534 {
1535     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1536     foreach (const KUrl& url, urls) {
1537         m_newFileNames.insert(url.fileName());
1538     }
1539 }
1540
1541 #include "dolphinview.moc"