src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QApplication>
  24 #include <QClipboard>
  25 #include <QKeyEvent>
  26 #include <QItemSelection>
  27 #include <QBoxLayout>
  28 #include <QTimer>
  29 #include <QScrollBar>
  30
  31 #include <kactioncollection.h>
  32 #include <kcolorscheme.h>
  33 #include <kdirlister.h>
  34 #include <kfilepreviewgenerator.h>
  35 #include <kiconeffect.h>
  36 #include <kfileitem.h>
  37 #include <klocale.h>
  38 #include <kio/deletejob.h>
  39 #include <kio/netaccess.h>
  40 #include <kio/previewjob.h>
  41 #include <kjob.h>
  42 #include <kmenu.h>
  43 #include <kmessagebox.h>
  44 #include <kmimetyperesolver.h>
  45 #include <konq_fileitemcapabilities.h>
  46 #include <konq_operations.h>
  47 #include <konqmimedata.h>
  48 #include <kstringhandler.h>
  49 #include <ktoggleaction.h>
  50 #include <kurl.h>
  51
  52 #include "dolphinmodel.h"
  53 #include "dolphincolumnview.h"
  54 #include "dolphincontroller.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphinfileitemdelegate.h"
  57 #include "dolphinnewmenuobserver.h"
  58 #include "dolphinsortfilterproxymodel.h"
  59 #include "dolphin_detailsmodesettings.h"
  60 #include "dolphiniconsview.h"
  61 #include "dolphin_generalsettings.h"
  62 #include "draganddrophelper.h"
  63 #include "folderexpander.h"
  64 #include "renamedialog.h"
  65 #include "tooltips/tooltipmanager.h"
  66 #include "settings/dolphinsettings.h"
  67 #include "viewproperties.h"
  68 #include "zoomlevelinfo.h"
  69
  70 /**
  71  * Helper function for sorting items with qSort() in
  72  * DolphinView::renameSelectedItems().
  73  */
  74 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  75 {
  76     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  77 }
  78
  79 DolphinView::DolphinView(QWidget* parent,
  80                          const KUrl& url,
  81                          KDirLister* dirLister,
  82                          DolphinModel* dolphinModel,
  83                          DolphinSortFilterProxyModel* proxyModel) :
  84     QWidget(parent),
  85     m_active(true),
  86     m_showPreview(false),
  87     m_loadingDirectory(false),
  88     m_storedCategorizedSorting(false),
  89     m_tabsForFiles(false),
  90     m_isContextMenuOpen(false),
  91     m_ignoreViewProperties(false),
  92     m_assureVisibleCurrentIndex(false),
  93     m_selectClipboardItems(false),
  94     m_mode(DolphinView::IconsView),
  95     m_topLayout(0),
  96     m_controller(0),
  97     m_iconsView(0),
  98     m_detailsView(0),
  99     m_columnView(0),
 100     m_fileItemDelegate(0),
 101     m_selectionModel(0),
 102     m_dolphinModel(dolphinModel),
 103     m_dirLister(dirLister),
 104     m_proxyModel(proxyModel),
 105     m_previewGenerator(0),
 106     m_toolTipManager(0),
 107     m_rootUrl(),
 108     m_currentItemUrl(),
 109     m_createdItemUrl(),
 110     m_selectedItems(),
 111     m_expandedDragSource(0)
 112 {
 113     m_topLayout = new QVBoxLayout(this);
 114     m_topLayout->setSpacing(0);
 115     m_topLayout->setMargin(0);
 116
 117     m_controller = new DolphinController(this);
 118     m_controller->setUrl(url);
 119
 120     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 121             this, SIGNAL(urlChanged(const KUrl&)));
 122     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 123             this, SLOT(slotRequestUrlChange(const KUrl&)));
 124
 125     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 126             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 127     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 128             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 129     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 130             this, SLOT(updateSorting(DolphinView::Sorting)));
 131     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 132             this, SLOT(updateSortOrder(Qt::SortOrder)));
 133     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 134             this, SLOT(updateSortFoldersFirst(bool)));
 135     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 136             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 137     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 138             this, SLOT(triggerItem(const KFileItem&)));
 139     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 140             this, SIGNAL(tabRequested(const KUrl&)));
 141     connect(m_controller, SIGNAL(activated()),
 142             this, SLOT(activate()));
 143     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 144             this, SLOT(showHoverInformation(const KFileItem&)));
 145     connect(m_controller, SIGNAL(viewportEntered()),
 146             this, SLOT(clearHoverInformation()));
 147
 148     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 149             this, SIGNAL(redirection(KUrl, KUrl)));
 150     connect(m_dirLister, SIGNAL(completed()),
 151             this, SLOT(slotDirListerCompleted()));
 152     connect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 153             this, SLOT(slotRefreshItems()));
 154
 155     // When a new item has been created by the "Create New..." menu, the item should
 156     // get selected and it must be assured that the item will get visible. As the
 157     // creation is done asynchronously, several signals must be checked:
 158     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 159             this, SLOT(observeCreatedItem(const KUrl&)));
 160
 161     // when a copy/move-operation has been finished, the pasted items should get selected
 162     connect(KIO::FileUndoManager::self(), SIGNAL(jobRecordingFinished(CommandType)),
 163            this, SLOT(slotJobRecordingFinished(CommandType)));
 164
 165     applyViewProperties(url);
 166     m_topLayout->addWidget(itemView());
 167 }
 168
 169 DolphinView::~DolphinView()
 170 {
 171     delete m_expandedDragSource;
 172     m_expandedDragSource = 0;
 173 }
 174
 175 const KUrl& DolphinView::url() const
 176 {
 177     return m_controller->url();
 178 }
 179
 180 KUrl DolphinView::rootUrl() const
 181 {
 182     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 183 }
 184
 185 void DolphinView::setActive(bool active)
 186 {
 187     if (active == m_active) {
 188         return;
 189     }
 190
 191     m_active = active;
 192
 193     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 194     if (active) {
 195         emit selectionChanged(selectedItems());
 196     } else {
 197         color.setAlpha(150);
 198     }
 199
 200     QWidget* viewport = itemView()->viewport();
 201     QPalette palette;
 202     palette.setColor(viewport->backgroundRole(), color);
 203     viewport->setPalette(palette);
 204
 205     update();
 206
 207     if (active) {
 208         itemView()->setFocus();
 209         emit activated();
 210     }
 211
 212     m_controller->indicateActivationChange(active);
 213 }
 214
 215 bool DolphinView::isActive() const
 216 {
 217     return m_active;
 218 }
 219
 220 void DolphinView::setMode(Mode mode)
 221 {
 222     if (mode == m_mode) {
 223         return; // the wished mode is already set
 224     }
 225
 226     const int oldZoomLevel = m_controller->zoomLevel();
 227     m_mode = mode;
 228
 229     deleteView();
 230
 231     const KUrl viewPropsUrl = viewPropertiesUrl();
 232     ViewProperties props(viewPropsUrl);
 233     props.setViewMode(m_mode);
 234     createView();
 235
 236     // the file item delegate has been recreated, apply the current
 237     // additional information manually
 238     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 239     m_fileItemDelegate->setShowInformation(infoList);
 240     emit additionalInfoChanged();
 241
 242     // Not all view modes support categorized sorting. Adjust the sorting model
 243     // if changing the view mode results in a change of the categorized sorting
 244     // capabilities.
 245     m_storedCategorizedSorting = props.categorizedSorting();
 246     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 247     if (categorized != m_proxyModel->isCategorizedModel()) {
 248         m_proxyModel->setCategorizedModel(categorized);
 249         emit categorizedSortingChanged();
 250     }
 251
 252     emit modeChanged();
 253
 254     updateZoomLevel(oldZoomLevel);
 255     if (m_showPreview) {
 256         loadDirectory(viewPropsUrl);
 257     }
 258 }
 259
 260 DolphinView::Mode DolphinView::mode() const
 261 {
 262     return m_mode;
 263 }
 264
 265 bool DolphinView::showPreview() const
 266 {
 267     return m_showPreview;
 268 }
 269
 270 bool DolphinView::showHiddenFiles() const
 271 {
 272     return m_dirLister->showingDotFiles();
 273 }
 274
 275 bool DolphinView::categorizedSorting() const
 276 {
 277     // If all view modes would support categorized sorting, returning
 278     // m_proxyModel->isCategorizedModel() would be the way to go. As
 279     // currently only the icons view supports caterized sorting, we remember
 280     // the stored view properties state in m_storedCategorizedSorting and
 281     // return this state. The application takes care to disable the corresponding
 282     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 283     // that this setting is not applied to the current view mode.
 284     return m_storedCategorizedSorting;
 285 }
 286
 287 bool DolphinView::supportsCategorizedSorting() const
 288 {
 289     return m_iconsView != 0;
 290 }
 291
 292 void DolphinView::selectAll()
 293 {
 294     QAbstractItemView* view = itemView();
 295     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 296     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 297     // selection instead of selecting all items. This is bypassed for KDE 4.0
 298     // by invoking clearSelection() first.
 299     view->clearSelection();
 300     view->selectAll();
 301 }
 302
 303 void DolphinView::invertSelection()
 304 {
 305     if (isColumnViewActive()) {
 306         // QAbstractItemView does not offer a virtual method invertSelection()
 307         // as counterpart to QAbstractItemView::selectAll(). This makes it
 308         // necessary to delegate the inverting of the selection to the
 309         // column view, as only the selection of the active column should
 310         // get inverted.
 311         m_columnView->invertSelection();
 312     } else {
 313         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 314         const QAbstractItemModel* itemModel = selectionModel->model();
 315
 316         const QModelIndex topLeft = itemModel->index(0, 0);
 317         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 318                                                          itemModel->columnCount() - 1);
 319
 320         const QItemSelection selection(topLeft, bottomRight);
 321         selectionModel->select(selection, QItemSelectionModel::Toggle);
 322     }
 323 }
 324
 325 bool DolphinView::hasSelection() const
 326 {
 327     return itemView()->selectionModel()->hasSelection();
 328 }
 329
 330 void DolphinView::clearSelection()
 331 {
 332     QItemSelectionModel* selModel = itemView()->selectionModel();
 333     const QModelIndex currentIndex = selModel->currentIndex();
 334     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 335                                             QItemSelectionModel::Clear);
 336 }
 337
 338 KFileItemList DolphinView::selectedItems() const
 339 {
 340     if (isColumnViewActive()) {
 341         return m_columnView->selectedItems();
 342     }
 343
 344     const QAbstractItemView* view = itemView();
 345
 346     // Our view has a selection, we will map them back to the DolphinModel
 347     // and then fill the KFileItemList.
 348     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 349
 350     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 351     KFileItemList itemList;
 352
 353     const QModelIndexList indexList = selection.indexes();
 354     foreach (const QModelIndex &index, indexList) {
 355         KFileItem item = m_dolphinModel->itemForIndex(index);
 356         if (!item.isNull()) {
 357             itemList.append(item);
 358         }
 359     }
 360
 361     return itemList;
 362 }
 363
 364 KUrl::List DolphinView::selectedUrls() const
 365 {
 366     KUrl::List urls;
 367     const KFileItemList list = selectedItems();
 368     foreach (const KFileItem &item, list) {
 369         urls.append(item.url());
 370     }
 371     return urls;
 372 }
 373
 374 int DolphinView::selectedItemsCount() const
 375 {
 376     if (isColumnViewActive()) {
 377         // TODO: get rid of this special case by adjusting the dir lister
 378         // to the current column
 379         return m_columnView->selectedItems().count();
 380     }
 381
 382     return itemView()->selectionModel()->selection().count();
 383 }
 384
 385 void DolphinView::setContentsPosition(int x, int y)
 386 {
 387     QAbstractItemView* view = itemView();
 388
 389     // the ColumnView takes care itself for the horizontal scrolling
 390     if (!isColumnViewActive()) {
 391         view->horizontalScrollBar()->setValue(x);
 392     }
 393     view->verticalScrollBar()->setValue(y);
 394
 395     m_loadingDirectory = false;
 396 }
 397
 398 QPoint DolphinView::contentsPosition() const
 399 {
 400     const int x = itemView()->horizontalScrollBar()->value();
 401     const int y = itemView()->verticalScrollBar()->value();
 402     return QPoint(x, y);
 403 }
 404
 405 void DolphinView::setZoomLevel(int level)
 406 {
 407     if (level < ZoomLevelInfo::minimumLevel()) {
 408         level = ZoomLevelInfo::minimumLevel();
 409     } else if (level > ZoomLevelInfo::maximumLevel()) {
 410         level = ZoomLevelInfo::maximumLevel();
 411     }
 412
 413     if (level != zoomLevel()) {
 414         m_controller->setZoomLevel(level);
 415         m_previewGenerator->updateIcons();
 416         emit zoomLevelChanged(level);
 417     }
 418 }
 419
 420 int DolphinView::zoomLevel() const
 421 {
 422     return m_controller->zoomLevel();
 423 }
 424
 425 void DolphinView::setSorting(Sorting sorting)
 426 {
 427     if (sorting != this->sorting()) {
 428         updateSorting(sorting);
 429     }
 430 }
 431
 432 DolphinView::Sorting DolphinView::sorting() const
 433 {
 434     return m_proxyModel->sorting();
 435 }
 436
 437 void DolphinView::setSortOrder(Qt::SortOrder order)
 438 {
 439     if (sortOrder() != order) {
 440         updateSortOrder(order);
 441     }
 442 }
 443
 444 Qt::SortOrder DolphinView::sortOrder() const
 445 {
 446     return m_proxyModel->sortOrder();
 447 }
 448
 449 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 450 {
 451     if (sortFoldersFirst() != foldersFirst) {
 452         updateSortFoldersFirst(foldersFirst);
 453     }
 454 }
 455
 456 bool DolphinView::sortFoldersFirst() const
 457 {
 458     return m_proxyModel->sortFoldersFirst();
 459 }
 460
 461 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 462 {
 463     const KUrl viewPropsUrl = viewPropertiesUrl();
 464     ViewProperties props(viewPropsUrl);
 465     props.setAdditionalInfo(info);
 466     m_fileItemDelegate->setShowInformation(info);
 467
 468     emit additionalInfoChanged();
 469
 470     if (itemView() != m_detailsView) {
 471         // the details view requires no reloading of the directory, as it maps
 472         // the file item delegate info to its columns internally
 473         loadDirectory(viewPropsUrl);
 474     }
 475 }
 476
 477 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 478 {
 479     return m_fileItemDelegate->showInformation();
 480 }
 481
 482 void DolphinView::reload()
 483 {
 484     setUrl(url());
 485     loadDirectory(url(), true);
 486 }
 487
 488 void DolphinView::refresh()
 489 {
 490     m_ignoreViewProperties = false;
 491
 492     const bool oldActivationState = m_active;
 493     const int oldZoomLevel = m_controller->zoomLevel();
 494     m_active = true;
 495
 496     createView();
 497     applyViewProperties(m_controller->url());
 498     reload();
 499
 500     setActive(oldActivationState);
 501     updateZoomLevel(oldZoomLevel);
 502 }
 503
 504 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 505 {
 506     if (m_controller->url() == url) {
 507         return;
 508     }
 509
 510     m_previewGenerator->cancelPreviews();
 511     m_controller->setUrl(url); // emits urlChanged, which we forward
 512
 513     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 514         applyViewProperties(rootUrl);
 515         loadDirectory(rootUrl);
 516         if (itemView() == m_columnView) {
 517             m_columnView->setRootUrl(rootUrl);
 518             m_columnView->showColumn(url);
 519         }
 520     } else {
 521         applyViewProperties(url);
 522         loadDirectory(url);
 523     }
 524
 525     emit startedPathLoading(url);
 526 }
 527
 528 void DolphinView::setNameFilter(const QString& nameFilter)
 529 {
 530     m_proxyModel->setFilterRegExp(nameFilter);
 531
 532     if (isColumnViewActive()) {
 533         // adjusting the directory lister is not enough in the case of the
 534         // column view, as each column has its own directory lister internally...
 535         m_columnView->setNameFilter(nameFilter);
 536     }
 537 }
 538
 539 void DolphinView::calculateItemCount(int& fileCount,
 540                                      int& folderCount,
 541                                      KIO::filesize_t& totalFileSize) const
 542 {
 543     foreach (const KFileItem& item, m_dirLister->items()) {
 544         if (item.isDir()) {
 545             ++folderCount;
 546         } else {
 547             ++fileCount;
 548             totalFileSize += item.size();
 549         }
 550     }
 551 }
 552
 553 QString DolphinView::statusBarText() const
 554 {
 555     QString text;
 556     int folderCount = 0;
 557     int fileCount = 0;
 558     KIO::filesize_t totalFileSize = 0;
 559
 560     if (hasSelection()) {
 561         // give a summary of the status of the selected files
 562         const KFileItemList list = selectedItems();
 563         if (list.isEmpty()) {
 564             // when an item is triggered, it is temporary selected but selectedItems()
 565             // will return an empty list
 566             return text;
 567         }
 568
 569         KFileItemList::const_iterator it = list.begin();
 570         const KFileItemList::const_iterator end = list.end();
 571         while (it != end) {
 572             const KFileItem& item = *it;
 573             if (item.isDir()) {
 574                 ++folderCount;
 575             } else {
 576                 ++fileCount;
 577                 totalFileSize += item.size();
 578             }
 579             ++it;
 580         }
 581
 582         if (folderCount + fileCount == 1) {
 583             // if only one item is selected, show the filename
 584             const QString name = list.first().name();
 585             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 586                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 587                                               name, KIO::convertSize(totalFileSize));
 588         } else {
 589             // at least 2 items are selected
 590             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 591             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 592             if ((folderCount > 0) && (fileCount > 0)) {
 593                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 594                              foldersText, filesText, KIO::convertSize(totalFileSize));
 595             } else if (fileCount > 0) {
 596                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 597             } else {
 598                 Q_ASSERT(folderCount > 0);
 599                 text = foldersText;
 600             }
 601         }
 602     } else {
 603         calculateItemCount(fileCount, folderCount, totalFileSize);
 604         text = KIO::itemsSummaryString(fileCount + folderCount,
 605                                        fileCount, folderCount,
 606                                        totalFileSize, true);
 607     }
 608
 609     return text;
 610 }
 611
 612 void DolphinView::setUrl(const KUrl& url)
 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     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 988 }
 989
 990 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 991 {
 992     ViewProperties props(viewPropertiesUrl());
 993     props.setSorting(sorting);
 994
 995     m_proxyModel->setSorting(sorting);
 996
 997     emit sortingChanged(sorting);
 998 }
 999
1000 void DolphinView::updateSortOrder(Qt::SortOrder order)
1001 {
1002     ViewProperties props(viewPropertiesUrl());
1003     props.setSortOrder(order);
1004
1005     m_proxyModel->setSortOrder(order);
1006
1007     emit sortOrderChanged(order);
1008 }
1009
1010 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1011 {
1012     ViewProperties props(viewPropertiesUrl());
1013     props.setSortFoldersFirst(foldersFirst);
1014
1015     m_proxyModel->setSortFoldersFirst(foldersFirst);
1016
1017     emit sortFoldersFirstChanged(foldersFirst);
1018 }
1019
1020 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1021 {
1022     ViewProperties props(viewPropertiesUrl());
1023     props.setAdditionalInfo(info);
1024     props.save();
1025
1026     m_fileItemDelegate->setShowInformation(info);
1027
1028     emit additionalInfoChanged();
1029 }
1030
1031 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1032 {
1033     const bool enable = (m_mode == DolphinView::DetailsView) ||
1034                         (m_mode == DolphinView::IconsView);
1035
1036     QAction* showSizeInfo = collection->action("show_size_info");
1037     QAction* showDateInfo = collection->action("show_date_info");
1038     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1039     QAction* showOwnerInfo = collection->action("show_owner_info");
1040     QAction* showGroupInfo = collection->action("show_group_info");
1041     QAction* showMimeInfo = collection->action("show_mime_info");
1042
1043     showSizeInfo->setChecked(false);
1044     showDateInfo->setChecked(false);
1045     showPermissionsInfo->setChecked(false);
1046     showOwnerInfo->setChecked(false);
1047     showGroupInfo->setChecked(false);
1048     showMimeInfo->setChecked(false);
1049
1050     showSizeInfo->setEnabled(enable);
1051     showDateInfo->setEnabled(enable);
1052     showPermissionsInfo->setEnabled(enable);
1053     showOwnerInfo->setEnabled(enable);
1054     showGroupInfo->setEnabled(enable);
1055     showMimeInfo->setEnabled(enable);
1056
1057     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1058         switch (info) {
1059         case KFileItemDelegate::Size:
1060             showSizeInfo->setChecked(true);
1061             break;
1062         case KFileItemDelegate::ModificationTime:
1063             showDateInfo->setChecked(true);
1064             break;
1065         case KFileItemDelegate::Permissions:
1066             showPermissionsInfo->setChecked(true);
1067             break;
1068         case KFileItemDelegate::Owner:
1069             showOwnerInfo->setChecked(true);
1070             break;
1071         case KFileItemDelegate::OwnerAndGroup:
1072             showGroupInfo->setChecked(true);
1073             break;
1074         case KFileItemDelegate::FriendlyMimeType:
1075             showMimeInfo->setChecked(true);
1076             break;
1077         default:
1078             break;
1079         }
1080     }
1081 }
1082
1083 QPair<bool, QString> DolphinView::pasteInfo() const
1084 {
1085     return KonqOperations::pasteInfo(url());
1086 }
1087
1088 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1089 {
1090     m_tabsForFiles = tabsForFiles;
1091 }
1092
1093 bool DolphinView::isTabsForFilesEnabled() const
1094 {
1095     return m_tabsForFiles;
1096 }
1097
1098 bool DolphinView::itemsExpandable() const
1099 {
1100     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1101 }
1102
1103 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1104 {
1105     if (view == 0)
1106         return;
1107
1108     if (DragAndDropHelper::instance().isDragSource(view)) {
1109         // We must store for later deletion.
1110         if (m_expandedDragSource != 0) {
1111             // The old stored view is obviously not the drag source anymore.
1112             m_expandedDragSource->deleteLater();
1113             m_expandedDragSource = 0;
1114         }
1115         view->hide();
1116         m_expandedDragSource = view;
1117     }
1118     else {
1119         view->deleteLater();
1120     }
1121 }
1122
1123 void DolphinView::observeCreatedItem(const KUrl& url)
1124 {
1125     m_createdItemUrl = url;
1126     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1127             this, SLOT(selectAndScrollToCreatedItem()));
1128 }
1129
1130 void DolphinView::selectAndScrollToCreatedItem()
1131 {
1132     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1133     if (dirIndex.isValid()) {
1134         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1135         itemView()->setCurrentIndex(proxyIndex);
1136     }
1137
1138     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1139                this, SLOT(selectAndScrollToCreatedItem()));
1140     m_createdItemUrl = KUrl();
1141 }
1142
1143 void DolphinView::restoreSelection()
1144 {
1145     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1146     changeSelection(m_selectedItems);
1147 }
1148
1149 void DolphinView::slotJobRecordingFinished(CommandType command)
1150 {
1151     // Assure that the pasted items get selected. This must be done
1152     // asynchronously in slotDirListerCompleted().
1153     m_selectClipboardItems = ((command == KIO::FileUndoManager::Copy) ||
1154                               (command == KIO::FileUndoManager::Move)) &&
1155                              !hasSelection();
1156 }
1157
1158 void DolphinView::emitContentsMoved()
1159 {
1160     // only emit the contents moved signal if:
1161     // - no directory loading is ongoing (this would reset the contents position
1162     //   always to (0, 0))
1163     // - if the Column View is active: the column view does an automatic
1164     //   positioning during the loading operation, which must be remembered
1165     if (!m_loadingDirectory || isColumnViewActive()) {
1166         const QPoint pos(contentsPosition());
1167         emit contentsMoved(pos.x(), pos.y());
1168     }
1169 }
1170
1171 void DolphinView::showHoverInformation(const KFileItem& item)
1172 {
1173     emit requestItemInfo(item);
1174 }
1175
1176 void DolphinView::clearHoverInformation()
1177 {
1178     emit requestItemInfo(KFileItem());
1179 }
1180
1181 void DolphinView::slotDeleteFileFinished(KJob* job)
1182 {
1183     if (job->error() == 0) {
1184         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1185     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1186         emit errorMessage(job->errorString());
1187     }
1188 }
1189
1190 void DolphinView::slotRequestUrlChange(const KUrl& url)
1191 {
1192     emit requestUrlChange(url);
1193     m_controller->setUrl(url);
1194 }
1195
1196 void DolphinView::slotDirListerCompleted()
1197 {
1198     if (!m_currentItemUrl.isEmpty()) {
1199         // assure that the current item remains visible
1200         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_currentItemUrl);
1201         if (dirIndex.isValid()) {
1202             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1203             QAbstractItemView* view = itemView();
1204             const bool clearSelection = !hasSelection();
1205             view->setCurrentIndex(proxyIndex);
1206             if (clearSelection) {
1207                 view->clearSelection();
1208             }
1209         }
1210         m_currentItemUrl.clear();
1211     }
1212
1213     if (m_selectClipboardItems) {
1214         m_selectClipboardItems = false;
1215
1216         // select all items that have been pasted from the clipboard to
1217         // the current directory
1218         const QMimeData* mimeData = QApplication::clipboard()->mimeData();
1219         const KUrl::List copiedUrls = KUrl::List::fromMimeData(mimeData);
1220
1221         QSet<QString> fileNames;
1222         foreach (const KUrl& url, copiedUrls) {
1223             fileNames.insert(url.fileName());
1224         }
1225
1226         QItemSelectionModel* selectionModel = itemView()->selectionModel();
1227         const int rowCount = m_proxyModel->rowCount();
1228         for (int row = 0; row < rowCount; ++row) {
1229             const QModelIndex proxyIndex = m_proxyModel->index(row, 0);
1230             const QModelIndex dirIndex = m_proxyModel->mapToSource(proxyIndex);
1231             const KUrl url = m_dolphinModel->itemForIndex(dirIndex).url();
1232             if (fileNames.contains(url.fileName())) {
1233                 selectionModel->select(proxyIndex, QItemSelectionModel::Select);
1234             }
1235         }
1236     }
1237 }
1238
1239 void DolphinView::slotRefreshItems()
1240 {
1241     if (m_assureVisibleCurrentIndex) {
1242         m_assureVisibleCurrentIndex = false;
1243         itemView()->scrollTo(itemView()->currentIndex());
1244     }
1245 }
1246
1247 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1248 {
1249     if (!url.isValid()) {
1250         const QString location(url.pathOrUrl());
1251         if (location.isEmpty()) {
1252             emit errorMessage(i18nc("@info:status", "The location is empty."));
1253         } else {
1254             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1255         }
1256         return;
1257     }
1258
1259     m_loadingDirectory = true;
1260
1261     if (reload) {
1262         m_selectedItems = selectedItems();
1263         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1264     }
1265
1266     m_dirLister->stop();
1267     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1268
1269     if (isColumnViewActive()) {
1270         // adjusting the directory lister is not enough in the case of the
1271         // column view, as each column has its own directory lister internally...
1272         if (reload) {
1273             m_columnView->reload();
1274         } else {
1275             m_columnView->showColumn(url);
1276         }
1277     }
1278 }
1279
1280 KUrl DolphinView::viewPropertiesUrl() const
1281 {
1282     if (isColumnViewActive()) {
1283         return m_columnView->rootUrl();
1284     }
1285
1286     return url();
1287 }
1288
1289 void DolphinView::applyViewProperties(const KUrl& url)
1290 {
1291     if (m_ignoreViewProperties) {
1292         return;
1293     }
1294
1295     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1296         // The column view is active, hence don't apply the view properties
1297         // of sub directories (represented by columns) to the view. The
1298         // view always represents the properties of the first column.
1299         return;
1300     }
1301
1302     const ViewProperties props(url);
1303
1304     const Mode mode = props.viewMode();
1305     if (m_mode != mode) {
1306         const int oldZoomLevel = m_controller->zoomLevel();
1307
1308         m_mode = mode;
1309         createView();
1310         emit modeChanged();
1311
1312         updateZoomLevel(oldZoomLevel);
1313     }
1314     if (itemView() == 0) {
1315         createView();
1316     }
1317     Q_ASSERT(itemView() != 0);
1318     Q_ASSERT(m_fileItemDelegate != 0);
1319
1320     const bool showHiddenFiles = props.showHiddenFiles();
1321     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1322         m_dirLister->setShowingDotFiles(showHiddenFiles);
1323         emit showHiddenFilesChanged();
1324     }
1325
1326     m_storedCategorizedSorting = props.categorizedSorting();
1327     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1328     if (categorized != m_proxyModel->isCategorizedModel()) {
1329         m_proxyModel->setCategorizedModel(categorized);
1330         emit categorizedSortingChanged();
1331     }
1332
1333     const DolphinView::Sorting sorting = props.sorting();
1334     if (sorting != m_proxyModel->sorting()) {
1335         m_proxyModel->setSorting(sorting);
1336         emit sortingChanged(sorting);
1337     }
1338
1339     const Qt::SortOrder sortOrder = props.sortOrder();
1340     if (sortOrder != m_proxyModel->sortOrder()) {
1341         m_proxyModel->setSortOrder(sortOrder);
1342         emit sortOrderChanged(sortOrder);
1343     }
1344
1345     const bool sortFoldersFirst = props.sortFoldersFirst();
1346     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1347         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1348         emit sortFoldersFirstChanged(sortFoldersFirst);
1349     }
1350
1351     KFileItemDelegate::InformationList info = props.additionalInfo();
1352     if (info != m_fileItemDelegate->showInformation()) {
1353         m_fileItemDelegate->setShowInformation(info);
1354         emit additionalInfoChanged();
1355     }
1356
1357     const bool showPreview = props.showPreview();
1358     if (showPreview != m_showPreview) {
1359         m_showPreview = showPreview;
1360         m_previewGenerator->setPreviewShown(showPreview);
1361
1362         const int oldZoomLevel = m_controller->zoomLevel();
1363         emit showPreviewChanged();
1364
1365         // Enabling or disabling the preview might change the icon size of the view.
1366         // As the view does not emit a signal when the icon size has been changed,
1367         // the used zoom level of the controller must be adjusted manually:
1368         updateZoomLevel(oldZoomLevel);
1369     }
1370
1371     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1372         // During the lifetime of a DolphinView instance the global view properties
1373         // should not be changed. This allows e. g. to split a view and use different
1374         // view properties for each view.
1375         m_ignoreViewProperties = true;
1376     }
1377 }
1378
1379 void DolphinView::createView()
1380 {
1381     deleteView();
1382     Q_ASSERT(m_iconsView == 0);
1383     Q_ASSERT(m_detailsView == 0);
1384     Q_ASSERT(m_columnView == 0);
1385
1386     QAbstractItemView* view = 0;
1387     switch (m_mode) {
1388     case IconsView: {
1389         m_iconsView = new DolphinIconsView(this, m_controller);
1390         view = m_iconsView;
1391         break;
1392     }
1393
1394     case DetailsView:
1395         m_detailsView = new DolphinDetailsView(this, m_controller);
1396         view = m_detailsView;
1397         break;
1398
1399     case ColumnView:
1400         m_columnView = new DolphinColumnView(this, m_controller);
1401         view = m_columnView;
1402         break;
1403     }
1404
1405     Q_ASSERT(view != 0);
1406     view->installEventFilter(this);
1407     view->viewport()->installEventFilter(this);
1408     setFocusProxy(view);
1409
1410     if (m_mode != ColumnView) {
1411         // Give the view the ability to auto-expand its directories on hovering
1412         // (the column view takes care about this itself). If the details view
1413         // uses expandable folders, the auto-expanding should be used always.
1414         DolphinSettings& settings = DolphinSettings::instance();
1415         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1416                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1417
1418         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1419         folderExpander->setEnabled(enabled);
1420         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1421                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1422     }
1423     else {
1424         // Listen out for requests to delete the current column.
1425         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1426                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1427     }
1428
1429     m_controller->setItemView(view);
1430
1431     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1432     m_fileItemDelegate->setShowToolTipWhenElided(false);
1433     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1434     view->setItemDelegate(m_fileItemDelegate);
1435
1436     view->setModel(m_proxyModel);
1437     if (m_selectionModel != 0) {
1438         view->setSelectionModel(m_selectionModel);
1439     } else {
1440         m_selectionModel = view->selectionModel();
1441     }
1442
1443     // reparent the selection model, as it should not be deleted
1444     // when deleting the model
1445     m_selectionModel->setParent(this);
1446
1447     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1448
1449     m_previewGenerator = new KFilePreviewGenerator(view);
1450     m_previewGenerator->setPreviewShown(m_showPreview);
1451
1452     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1453         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1454         connect(m_controller, SIGNAL(hideToolTip()),
1455                 m_toolTipManager, SLOT(hideTip()));
1456     }
1457
1458     m_topLayout->insertWidget(1, view);
1459
1460     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1461             this, SLOT(emitSelectionChangedSignal()));
1462     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1463             this, SLOT(emitContentsMoved()));
1464     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1465             this, SLOT(emitContentsMoved()));
1466 }
1467
1468 void DolphinView::deleteView()
1469 {
1470     QAbstractItemView* view = itemView();
1471     if (view != 0) {
1472         // It's important to set the keyboard focus to the parent
1473         // before deleting the view: Otherwise when having a split
1474         // view the other view will get the focus and will request
1475         // an activation (see DolphinView::eventFilter()).
1476         setFocusProxy(0);
1477         setFocus();
1478
1479         m_topLayout->removeWidget(view);
1480         view->close();
1481
1482         // m_previewGenerator's parent is not always destroyed, and we
1483         // don't want two active at once - manually delete.
1484         delete m_previewGenerator;
1485         m_previewGenerator = 0;
1486
1487         disconnect(view);
1488         m_controller->disconnect(view);
1489         view->disconnect();
1490
1491         deleteWhenNotDragSource(view);
1492         view = 0;
1493
1494         m_iconsView = 0;
1495         m_detailsView = 0;
1496         m_columnView = 0;
1497         m_fileItemDelegate = 0;
1498         m_toolTipManager = 0;
1499     }
1500 }
1501
1502 QAbstractItemView* DolphinView::itemView() const
1503 {
1504     if (m_detailsView != 0) {
1505         return m_detailsView;
1506     } else if (m_columnView != 0) {
1507         return m_columnView;
1508     }
1509
1510     return m_iconsView;
1511 }
1512
1513 void DolphinView::pasteToUrl(const KUrl& url)
1514 {
1515     KonqOperations::doPaste(this, url);
1516 }
1517
1518 void DolphinView::updateZoomLevel(int oldZoomLevel)
1519 {
1520     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1521     if (oldZoomLevel != newZoomLevel) {
1522         m_controller->setZoomLevel(newZoomLevel);
1523         emit zoomLevelChanged(newZoomLevel);
1524     }
1525 }
1526
1527 KUrl::List DolphinView::simplifiedSelectedUrls() const
1528 {
1529     KUrl::List list = selectedUrls();
1530     if (itemsExpandable() ) {
1531         list = KDirModel::simplifiedUrlList(list);
1532     }
1533     return list;
1534 }
1535
1536 QMimeData* DolphinView::selectionMimeData() const
1537 {
1538     if (isColumnViewActive()) {
1539         return m_columnView->selectionMimeData();
1540     }
1541
1542     const QAbstractItemView* view = itemView();
1543     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1544     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1545     return m_dolphinModel->mimeData(selection.indexes());
1546 }
1547
1548
1549 #include "dolphinview.moc"