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_currentItemUrl(),
 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
 612     // remember current item candidate (see slotDirListerCompleted())
 613     m_currentItemUrl = url;
 614     updateView(url, KUrl());
 615 }
 616
 617 void DolphinView::changeSelection(const KFileItemList& selection)
 618 {
 619     clearSelection();
 620     if (selection.isEmpty()) {
 621         return;
 622     }
 623     const KUrl& baseUrl = url();
 624     KUrl url;
 625     QItemSelection newSelection;
 626     foreach(const KFileItem& item, selection) {
 627         url = item.url().upUrl();
 628         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 629             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 630             newSelection.select(index, index);
 631         }
 632     }
 633     itemView()->selectionModel()->select(newSelection,
 634                                          QItemSelectionModel::ClearAndSelect
 635                                          | QItemSelectionModel::Current);
 636 }
 637
 638 void DolphinView::renameSelectedItems()
 639 {
 640     KFileItemList items = selectedItems();
 641     const int itemCount = items.count();
 642     if (itemCount < 1) {
 643         return;
 644     }
 645
 646     if (itemCount > 1) {
 647         // More than one item has been selected for renaming. Open
 648         // a rename dialog and rename all items afterwards.
 649         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 650         if (dialog->exec() == QDialog::Rejected) {
 651             delete dialog;
 652             return;
 653         }
 654
 655         const QString newName = dialog->newName();
 656         if (newName.isEmpty()) {
 657             emit errorMessage(dialog->errorString());
 658             delete dialog;
 659             return;
 660         }
 661         delete dialog;
 662
 663         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 664         // as one operation instead of n rename operations like it is done now...
 665         Q_ASSERT(newName.contains('#'));
 666
 667         // currently the items are sorted by the selection order, resort
 668         // them by the file name
 669         qSort(items.begin(), items.end(), lessThan);
 670
 671         // iterate through all selected items and rename them...
 672         int index = 1;
 673         foreach (const KFileItem& item, items) {
 674             const KUrl& oldUrl = item.url();
 675             QString number;
 676             number.setNum(index++);
 677
 678             QString name = newName;
 679             name.replace('#', number);
 680
 681             if (oldUrl.fileName() != name) {
 682                 KUrl newUrl = oldUrl;
 683                 newUrl.setFileName(name);
 684                 KonqOperations::rename(this, oldUrl, newUrl);
 685             }
 686         }
 687     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 688         Q_ASSERT(itemCount == 1);
 689
 690         if (isColumnViewActive()) {
 691             m_columnView->editItem(items.first());
 692         } else {
 693             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 694             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 695             itemView()->edit(proxyIndex);
 696         }
 697     } else {
 698         Q_ASSERT(itemCount == 1);
 699
 700         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 701         if (dialog->exec() == QDialog::Rejected) {
 702             delete dialog;
 703             return;
 704         }
 705
 706         const QString newName = dialog->newName();
 707         if (newName.isEmpty()) {
 708             emit errorMessage(dialog->errorString());
 709             delete dialog;
 710             return;
 711         }
 712         delete dialog;
 713
 714         const KUrl& oldUrl = items.first().url();
 715         KUrl newUrl = oldUrl;
 716         newUrl.setFileName(newName);
 717         KonqOperations::rename(this, oldUrl, newUrl);
 718     }
 719
 720     // assure that the current index remains visible when KDirLister
 721     // will notify the view about changed items
 722     m_assureVisibleCurrentIndex = true;
 723 }
 724
 725 void DolphinView::trashSelectedItems()
 726 {
 727     const KUrl::List list = simplifiedSelectedUrls();
 728     KonqOperations::del(this, KonqOperations::TRASH, list);
 729 }
 730
 731 void DolphinView::deleteSelectedItems()
 732 {
 733     const KUrl::List list = simplifiedSelectedUrls();
 734     const bool del = KonqOperations::askDeleteConfirmation(list,
 735                      KonqOperations::DEL,
 736                      KonqOperations::DEFAULT_CONFIRMATION,
 737                      this);
 738
 739     if (del) {
 740         KIO::Job* job = KIO::del(list);
 741         connect(job, SIGNAL(result(KJob*)),
 742                 this, SLOT(slotDeleteFileFinished(KJob*)));
 743     }
 744 }
 745
 746 void DolphinView::cutSelectedItems()
 747 {
 748     QMimeData* mimeData = selectionMimeData();
 749     KonqMimeData::addIsCutSelection(mimeData, true);
 750     QApplication::clipboard()->setMimeData(mimeData);
 751 }
 752
 753 void DolphinView::copySelectedItems()
 754 {
 755     QMimeData* mimeData = selectionMimeData();
 756     QApplication::clipboard()->setMimeData(mimeData);
 757 }
 758
 759 void DolphinView::paste()
 760 {
 761     pasteToUrl(url());
 762 }
 763
 764 void DolphinView::pasteIntoFolder()
 765 {
 766     const KFileItemList items = selectedItems();
 767     if ((items.count() == 1) && items.first().isDir()) {
 768         pasteToUrl(items.first().url());
 769     }
 770 }
 771
 772 void DolphinView::setShowPreview(bool show)
 773 {
 774     if (m_showPreview == show) {
 775         return;
 776     }
 777
 778     const KUrl viewPropsUrl = viewPropertiesUrl();
 779     ViewProperties props(viewPropsUrl);
 780     props.setShowPreview(show);
 781
 782     m_showPreview = show;
 783     m_previewGenerator->setPreviewShown(show);
 784
 785     const int oldZoomLevel = m_controller->zoomLevel();
 786     emit showPreviewChanged();
 787
 788     // Enabling or disabling the preview might change the icon size of the view.
 789     // As the view does not emit a signal when the icon size has been changed,
 790     // the used zoom level of the controller must be adjusted manually:
 791     updateZoomLevel(oldZoomLevel);
 792
 793     loadDirectory(viewPropsUrl);
 794 }
 795
 796 void DolphinView::setShowHiddenFiles(bool show)
 797 {
 798     if (m_dirLister->showingDotFiles() == show) {
 799         return;
 800     }
 801
 802     const KUrl viewPropsUrl = viewPropertiesUrl();
 803     ViewProperties props(viewPropsUrl);
 804     props.setShowHiddenFiles(show);
 805
 806     m_dirLister->setShowingDotFiles(show);
 807     emit showHiddenFilesChanged();
 808
 809     loadDirectory(viewPropsUrl);
 810 }
 811
 812 void DolphinView::setCategorizedSorting(bool categorized)
 813 {
 814     if (categorized == categorizedSorting()) {
 815         return;
 816     }
 817
 818     // setCategorizedSorting(true) may only get invoked
 819     // if the view supports categorized sorting
 820     Q_ASSERT(!categorized || supportsCategorizedSorting());
 821
 822     ViewProperties props(viewPropertiesUrl());
 823     props.setCategorizedSorting(categorized);
 824     props.save();
 825
 826     m_storedCategorizedSorting = categorized;
 827     m_proxyModel->setCategorizedModel(categorized);
 828
 829     emit categorizedSortingChanged();
 830 }
 831
 832 void DolphinView::toggleSortOrder()
 833 {
 834     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 835                                 Qt::DescendingOrder :
 836                                 Qt::AscendingOrder;
 837     setSortOrder(order);
 838 }
 839
 840 void DolphinView::toggleSortFoldersFirst()
 841 {
 842     setSortFoldersFirst(!sortFoldersFirst());
 843 }
 844
 845 void DolphinView::toggleAdditionalInfo(QAction* action)
 846 {
 847     const KFileItemDelegate::Information info =
 848         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 849
 850     KFileItemDelegate::InformationList list = additionalInfo();
 851
 852     const bool show = action->isChecked();
 853
 854     const int index = list.indexOf(info);
 855     const bool containsInfo = (index >= 0);
 856     if (show && !containsInfo) {
 857         list.append(info);
 858         setAdditionalInfo(list);
 859     } else if (!show && containsInfo) {
 860         list.removeAt(index);
 861         setAdditionalInfo(list);
 862         Q_ASSERT(list.indexOf(info) < 0);
 863     }
 864 }
 865
 866 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 867 {
 868     QWidget::mouseReleaseEvent(event);
 869     setActive(true);
 870 }
 871
 872 void DolphinView::wheelEvent(QWheelEvent* event)
 873 {
 874     if (event->modifiers() & Qt::ControlModifier) {
 875         const int delta = event->delta();
 876         const int level = zoomLevel();
 877         if (delta > 0) {
 878             setZoomLevel(level + 1);
 879         } else if (delta < 0) {
 880             setZoomLevel(level - 1);
 881         }
 882         event->accept();
 883     }
 884 }
 885
 886 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 887 {
 888     switch (event->type()) {
 889     case QEvent::FocusIn:
 890         if (watched == itemView()) {
 891             m_controller->requestActivation();
 892         }
 893         break;
 894
 895     case QEvent::MouseButtonPress:
 896         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 897             // Listening to a mousebutton press event to delete expanded views is a
 898             // workaround, as it seems impossible for the FolderExpander to know when
 899             // a dragging outside a view has been finished. However it works quite well:
 900             // A mousebutton press event indicates that a drag operation must be
 901             // finished already.
 902             m_expandedDragSource->deleteLater();
 903             m_expandedDragSource = 0;
 904         }
 905         break;
 906
 907     case QEvent::DragEnter:
 908         if (watched == itemView()->viewport()) {
 909             setActive(true);
 910         }
 911         break;
 912
 913     case QEvent::KeyPress:
 914         if (watched == itemView()) {
 915             if (m_toolTipManager != 0) {
 916                 m_toolTipManager->hideTip();
 917             }
 918
 919             // clear the selection when Escape has been pressed
 920             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 921             if (keyEvent->key() == Qt::Key_Escape) {
 922                 clearSelection();
 923             }
 924         }
 925         break;
 926
 927     default:
 928         break;
 929     }
 930
 931     return QWidget::eventFilter(watched, event);
 932 }
 933
 934 void DolphinView::activate()
 935 {
 936     setActive(true);
 937 }
 938
 939 void DolphinView::triggerItem(const KFileItem& item)
 940 {
 941     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 942     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 943         // items are selected by the user, hence don't trigger the
 944         // item specified by 'index'
 945         return;
 946     }
 947
 948     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 949     if (item.isNull() || m_isContextMenuOpen) {
 950         return;
 951     }
 952
 953     if (m_toolTipManager != 0) {
 954         m_toolTipManager->hideTip();
 955     }
 956     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 957 }
 958
 959 void DolphinView::emitSelectionChangedSignal()
 960 {
 961     emit selectionChanged(DolphinView::selectedItems());
 962 }
 963
 964 void DolphinView::openContextMenu(const QPoint& pos,
 965                                   const QList<QAction*>& customActions)
 966 {
 967     KFileItem item;
 968     if (isColumnViewActive()) {
 969         item = m_columnView->itemAt(pos);
 970     } else {
 971         const QModelIndex index = itemView()->indexAt(pos);
 972         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 973             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 974             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 975         }
 976     }
 977
 978     if (m_toolTipManager != 0) {
 979         m_toolTipManager->hideTip();
 980     }
 981
 982     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 983     emit requestContextMenu(item, url(), customActions);
 984     m_isContextMenuOpen = false;
 985 }
 986
 987 void DolphinView::dropUrls(const KFileItem& destItem,
 988                            const KUrl& destPath,
 989                            QDropEvent* event)
 990 {
 991     addNewFileNames(event->mimeData());
 992     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 993 }
 994
 995 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 996 {
 997     ViewProperties props(viewPropertiesUrl());
 998     props.setSorting(sorting);
 999
1000     m_proxyModel->setSorting(sorting);
1001
1002     emit sortingChanged(sorting);
1003 }
1004
1005 void DolphinView::updateSortOrder(Qt::SortOrder order)
1006 {
1007     ViewProperties props(viewPropertiesUrl());
1008     props.setSortOrder(order);
1009
1010     m_proxyModel->setSortOrder(order);
1011
1012     emit sortOrderChanged(order);
1013 }
1014
1015 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1016 {
1017     ViewProperties props(viewPropertiesUrl());
1018     props.setSortFoldersFirst(foldersFirst);
1019
1020     m_proxyModel->setSortFoldersFirst(foldersFirst);
1021
1022     emit sortFoldersFirstChanged(foldersFirst);
1023 }
1024
1025 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1026 {
1027     ViewProperties props(viewPropertiesUrl());
1028     props.setAdditionalInfo(info);
1029     props.save();
1030
1031     m_fileItemDelegate->setShowInformation(info);
1032
1033     emit additionalInfoChanged();
1034 }
1035
1036 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1037 {
1038     const bool enable = (m_mode == DolphinView::DetailsView) ||
1039                         (m_mode == DolphinView::IconsView);
1040
1041     QAction* showSizeInfo = collection->action("show_size_info");
1042     QAction* showDateInfo = collection->action("show_date_info");
1043     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1044     QAction* showOwnerInfo = collection->action("show_owner_info");
1045     QAction* showGroupInfo = collection->action("show_group_info");
1046     QAction* showMimeInfo = collection->action("show_mime_info");
1047
1048     showSizeInfo->setChecked(false);
1049     showDateInfo->setChecked(false);
1050     showPermissionsInfo->setChecked(false);
1051     showOwnerInfo->setChecked(false);
1052     showGroupInfo->setChecked(false);
1053     showMimeInfo->setChecked(false);
1054
1055     showSizeInfo->setEnabled(enable);
1056     showDateInfo->setEnabled(enable);
1057     showPermissionsInfo->setEnabled(enable);
1058     showOwnerInfo->setEnabled(enable);
1059     showGroupInfo->setEnabled(enable);
1060     showMimeInfo->setEnabled(enable);
1061
1062     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1063         switch (info) {
1064         case KFileItemDelegate::Size:
1065             showSizeInfo->setChecked(true);
1066             break;
1067         case KFileItemDelegate::ModificationTime:
1068             showDateInfo->setChecked(true);
1069             break;
1070         case KFileItemDelegate::Permissions:
1071             showPermissionsInfo->setChecked(true);
1072             break;
1073         case KFileItemDelegate::Owner:
1074             showOwnerInfo->setChecked(true);
1075             break;
1076         case KFileItemDelegate::OwnerAndGroup:
1077             showGroupInfo->setChecked(true);
1078             break;
1079         case KFileItemDelegate::FriendlyMimeType:
1080             showMimeInfo->setChecked(true);
1081             break;
1082         default:
1083             break;
1084         }
1085     }
1086 }
1087
1088 QPair<bool, QString> DolphinView::pasteInfo() const
1089 {
1090     return KonqOperations::pasteInfo(url());
1091 }
1092
1093 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1094 {
1095     m_tabsForFiles = tabsForFiles;
1096 }
1097
1098 bool DolphinView::isTabsForFilesEnabled() const
1099 {
1100     return m_tabsForFiles;
1101 }
1102
1103 bool DolphinView::itemsExpandable() const
1104 {
1105     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1106 }
1107
1108 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1109 {
1110     if (view == 0)
1111         return;
1112
1113     if (DragAndDropHelper::instance().isDragSource(view)) {
1114         // We must store for later deletion.
1115         if (m_expandedDragSource != 0) {
1116             // The old stored view is obviously not the drag source anymore.
1117             m_expandedDragSource->deleteLater();
1118             m_expandedDragSource = 0;
1119         }
1120         view->hide();
1121         m_expandedDragSource = view;
1122     }
1123     else {
1124         view->deleteLater();
1125     }
1126 }
1127
1128 void DolphinView::observeCreatedItem(const KUrl& url)
1129 {
1130     m_createdItemUrl = url;
1131     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1132             this, SLOT(selectAndScrollToCreatedItem()));
1133 }
1134
1135 void DolphinView::selectAndScrollToCreatedItem()
1136 {
1137     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1138     if (dirIndex.isValid()) {
1139         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1140         itemView()->setCurrentIndex(proxyIndex);
1141     }
1142
1143     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1144                this, SLOT(selectAndScrollToCreatedItem()));
1145     m_createdItemUrl = KUrl();
1146 }
1147
1148 void DolphinView::restoreSelection()
1149 {
1150     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1151     changeSelection(m_selectedItems);
1152 }
1153
1154 void DolphinView::emitContentsMoved()
1155 {
1156     // only emit the contents moved signal if:
1157     // - no directory loading is ongoing (this would reset the contents position
1158     //   always to (0, 0))
1159     // - if the Column View is active: the column view does an automatic
1160     //   positioning during the loading operation, which must be remembered
1161     if (!m_loadingDirectory || isColumnViewActive()) {
1162         const QPoint pos(contentsPosition());
1163         emit contentsMoved(pos.x(), pos.y());
1164     }
1165 }
1166
1167 void DolphinView::showHoverInformation(const KFileItem& item)
1168 {
1169     emit requestItemInfo(item);
1170 }
1171
1172 void DolphinView::clearHoverInformation()
1173 {
1174     emit requestItemInfo(KFileItem());
1175 }
1176
1177 void DolphinView::slotDeleteFileFinished(KJob* job)
1178 {
1179     if (job->error() == 0) {
1180         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1181     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1182         emit errorMessage(job->errorString());
1183     }
1184 }
1185
1186 void DolphinView::slotRequestUrlChange(const KUrl& url)
1187 {
1188     emit requestUrlChange(url);
1189     m_controller->setUrl(url);
1190 }
1191
1192 void DolphinView::slotDirListerCompleted()
1193 {
1194     if (!m_currentItemUrl.isEmpty()) {
1195         // assure that the current item remains visible
1196         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1197         if (dirIndex.isValid()) {
1198             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1199             QAbstractItemView* view = itemView();
1200             const bool clearSelection = !hasSelection();
1201             view->setCurrentIndex(proxyIndex);
1202             if (clearSelection) {
1203                 view->clearSelection();
1204             }
1205             m_currentItemUrl.clear();
1206         }
1207     }
1208
1209     if (!m_newFileNames.isEmpty()) {
1210         // select all newly added items created by a paste operation or
1211         // a drag & drop operation
1212         QItemSelectionModel* selectionModel = itemView()->selectionModel();
1213         const int rowCount = m_proxyModel->rowCount();
1214         for (int row = 0; row < rowCount; ++row) {
1215             const QModelIndex proxyIndex = m_proxyModel->index(row, 0);
1216             const QModelIndex dirIndex = m_proxyModel->mapToSource(proxyIndex);
1217             const KUrl url = m_dolphinModel->itemForIndex(dirIndex).url();
1218             if (m_newFileNames.contains(url.fileName())) {
1219                 selectionModel->select(proxyIndex, QItemSelectionModel::Select);
1220             }
1221         }
1222
1223         m_newFileNames.clear();
1224     }
1225 }
1226
1227 void DolphinView::slotRefreshItems()
1228 {
1229     if (m_assureVisibleCurrentIndex) {
1230         m_assureVisibleCurrentIndex = false;
1231         itemView()->scrollTo(itemView()->currentIndex());
1232     }
1233 }
1234
1235 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1236 {
1237     if (!url.isValid()) {
1238         const QString location(url.pathOrUrl());
1239         if (location.isEmpty()) {
1240             emit errorMessage(i18nc("@info:status", "The location is empty."));
1241         } else {
1242             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1243         }
1244         return;
1245     }
1246
1247     m_loadingDirectory = true;
1248
1249     if (reload) {
1250         m_selectedItems = selectedItems();
1251         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1252     }
1253
1254     m_dirLister->stop();
1255     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1256
1257     if (isColumnViewActive()) {
1258         // adjusting the directory lister is not enough in the case of the
1259         // column view, as each column has its own directory lister internally...
1260         if (reload) {
1261             m_columnView->reload();
1262         } else {
1263             m_columnView->showColumn(url);
1264         }
1265     }
1266 }
1267
1268 KUrl DolphinView::viewPropertiesUrl() const
1269 {
1270     if (isColumnViewActive()) {
1271         return m_columnView->rootUrl();
1272     }
1273
1274     return url();
1275 }
1276
1277 void DolphinView::applyViewProperties(const KUrl& url)
1278 {
1279     if (m_ignoreViewProperties) {
1280         return;
1281     }
1282
1283     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1284         // The column view is active, hence don't apply the view properties
1285         // of sub directories (represented by columns) to the view. The
1286         // view always represents the properties of the first column.
1287         return;
1288     }
1289
1290     const ViewProperties props(url);
1291
1292     const Mode mode = props.viewMode();
1293     if (m_mode != mode) {
1294         const int oldZoomLevel = m_controller->zoomLevel();
1295
1296         m_mode = mode;
1297         createView();
1298         emit modeChanged();
1299
1300         updateZoomLevel(oldZoomLevel);
1301     }
1302     if (itemView() == 0) {
1303         createView();
1304     }
1305     Q_ASSERT(itemView() != 0);
1306     Q_ASSERT(m_fileItemDelegate != 0);
1307
1308     const bool showHiddenFiles = props.showHiddenFiles();
1309     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1310         m_dirLister->setShowingDotFiles(showHiddenFiles);
1311         emit showHiddenFilesChanged();
1312     }
1313
1314     m_storedCategorizedSorting = props.categorizedSorting();
1315     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1316     if (categorized != m_proxyModel->isCategorizedModel()) {
1317         m_proxyModel->setCategorizedModel(categorized);
1318         emit categorizedSortingChanged();
1319     }
1320
1321     const DolphinView::Sorting sorting = props.sorting();
1322     if (sorting != m_proxyModel->sorting()) {
1323         m_proxyModel->setSorting(sorting);
1324         emit sortingChanged(sorting);
1325     }
1326
1327     const Qt::SortOrder sortOrder = props.sortOrder();
1328     if (sortOrder != m_proxyModel->sortOrder()) {
1329         m_proxyModel->setSortOrder(sortOrder);
1330         emit sortOrderChanged(sortOrder);
1331     }
1332
1333     const bool sortFoldersFirst = props.sortFoldersFirst();
1334     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1335         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1336         emit sortFoldersFirstChanged(sortFoldersFirst);
1337     }
1338
1339     KFileItemDelegate::InformationList info = props.additionalInfo();
1340     if (info != m_fileItemDelegate->showInformation()) {
1341         m_fileItemDelegate->setShowInformation(info);
1342         emit additionalInfoChanged();
1343     }
1344
1345     const bool showPreview = props.showPreview();
1346     if (showPreview != m_showPreview) {
1347         m_showPreview = showPreview;
1348         m_previewGenerator->setPreviewShown(showPreview);
1349
1350         const int oldZoomLevel = m_controller->zoomLevel();
1351         emit showPreviewChanged();
1352
1353         // Enabling or disabling the preview might change the icon size of the view.
1354         // As the view does not emit a signal when the icon size has been changed,
1355         // the used zoom level of the controller must be adjusted manually:
1356         updateZoomLevel(oldZoomLevel);
1357     }
1358
1359     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1360         // During the lifetime of a DolphinView instance the global view properties
1361         // should not be changed. This allows e. g. to split a view and use different
1362         // view properties for each view.
1363         m_ignoreViewProperties = true;
1364     }
1365 }
1366
1367 void DolphinView::createView()
1368 {
1369     deleteView();
1370     Q_ASSERT(m_iconsView == 0);
1371     Q_ASSERT(m_detailsView == 0);
1372     Q_ASSERT(m_columnView == 0);
1373
1374     QAbstractItemView* view = 0;
1375     switch (m_mode) {
1376     case IconsView: {
1377         m_iconsView = new DolphinIconsView(this, m_controller);
1378         view = m_iconsView;
1379         break;
1380     }
1381
1382     case DetailsView:
1383         m_detailsView = new DolphinDetailsView(this, m_controller);
1384         view = m_detailsView;
1385         break;
1386
1387     case ColumnView:
1388         m_columnView = new DolphinColumnView(this, m_controller);
1389         view = m_columnView;
1390         break;
1391     }
1392
1393     Q_ASSERT(view != 0);
1394     view->installEventFilter(this);
1395     view->viewport()->installEventFilter(this);
1396     setFocusProxy(view);
1397
1398     if (m_mode != ColumnView) {
1399         // Give the view the ability to auto-expand its directories on hovering
1400         // (the column view takes care about this itself). If the details view
1401         // uses expandable folders, the auto-expanding should be used always.
1402         DolphinSettings& settings = DolphinSettings::instance();
1403         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1404                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1405
1406         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1407         folderExpander->setEnabled(enabled);
1408         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1409                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1410     }
1411     else {
1412         // Listen out for requests to delete the current column.
1413         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1414                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1415     }
1416
1417     m_controller->setItemView(view);
1418
1419     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1420     m_fileItemDelegate->setShowToolTipWhenElided(false);
1421     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1422     view->setItemDelegate(m_fileItemDelegate);
1423
1424     view->setModel(m_proxyModel);
1425     if (m_selectionModel != 0) {
1426         view->setSelectionModel(m_selectionModel);
1427     } else {
1428         m_selectionModel = view->selectionModel();
1429     }
1430
1431     // reparent the selection model, as it should not be deleted
1432     // when deleting the model
1433     m_selectionModel->setParent(this);
1434
1435     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1436
1437     m_previewGenerator = new KFilePreviewGenerator(view);
1438     m_previewGenerator->setPreviewShown(m_showPreview);
1439
1440     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1441         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1442         connect(m_controller, SIGNAL(hideToolTip()),
1443                 m_toolTipManager, SLOT(hideTip()));
1444     }
1445
1446     m_topLayout->insertWidget(1, view);
1447
1448     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1449             this, SLOT(emitSelectionChangedSignal()));
1450     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1451             this, SLOT(emitContentsMoved()));
1452     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1453             this, SLOT(emitContentsMoved()));
1454 }
1455
1456 void DolphinView::deleteView()
1457 {
1458     QAbstractItemView* view = itemView();
1459     if (view != 0) {
1460         // It's important to set the keyboard focus to the parent
1461         // before deleting the view: Otherwise when having a split
1462         // view the other view will get the focus and will request
1463         // an activation (see DolphinView::eventFilter()).
1464         setFocusProxy(0);
1465         setFocus();
1466
1467         m_topLayout->removeWidget(view);
1468         view->close();
1469
1470         // m_previewGenerator's parent is not always destroyed, and we
1471         // don't want two active at once - manually delete.
1472         delete m_previewGenerator;
1473         m_previewGenerator = 0;
1474
1475         disconnect(view);
1476         m_controller->disconnect(view);
1477         view->disconnect();
1478
1479         deleteWhenNotDragSource(view);
1480         view = 0;
1481
1482         m_iconsView = 0;
1483         m_detailsView = 0;
1484         m_columnView = 0;
1485         m_fileItemDelegate = 0;
1486         m_toolTipManager = 0;
1487     }
1488 }
1489
1490 QAbstractItemView* DolphinView::itemView() const
1491 {
1492     if (m_detailsView != 0) {
1493         return m_detailsView;
1494     } else if (m_columnView != 0) {
1495         return m_columnView;
1496     }
1497
1498     return m_iconsView;
1499 }
1500
1501 void DolphinView::pasteToUrl(const KUrl& url)
1502 {
1503     addNewFileNames(QApplication::clipboard()->mimeData());
1504     KonqOperations::doPaste(this, url);
1505 }
1506
1507 void DolphinView::updateZoomLevel(int oldZoomLevel)
1508 {
1509     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1510     if (oldZoomLevel != newZoomLevel) {
1511         m_controller->setZoomLevel(newZoomLevel);
1512         emit zoomLevelChanged(newZoomLevel);
1513     }
1514 }
1515
1516 KUrl::List DolphinView::simplifiedSelectedUrls() const
1517 {
1518     KUrl::List list = selectedUrls();
1519     if (itemsExpandable() ) {
1520         list = KDirModel::simplifiedUrlList(list);
1521     }
1522     return list;
1523 }
1524
1525 QMimeData* DolphinView::selectionMimeData() const
1526 {
1527     if (isColumnViewActive()) {
1528         return m_columnView->selectionMimeData();
1529     }
1530
1531     const QAbstractItemView* view = itemView();
1532     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1533     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1534     return m_dolphinModel->mimeData(selection.indexes());
1535 }
1536
1537 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1538 {
1539     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1540     foreach (const KUrl& url, urls) {
1541         m_newFileNames.insert(url.fileName());
1542     }
1543 }
1544
1545 #include "dolphinview.moc"