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 <kiconeffect.h>
  35 #include <kfileitem.h>
  36 #include <klocale.h>
  37 #include <kio/deletejob.h>
  38 #include <kio/netaccess.h>
  39 #include <kio/previewjob.h>
  40 #include <kjob.h>
  41 #include <kmenu.h>
  42 #include <kmessagebox.h>
  43 #include <kmimetyperesolver.h>
  44 #include <konq_fileitemcapabilities.h>
  45 #include <konq_operations.h>
  46 #include <konqmimedata.h>
  47 #include <kstringhandler.h>
  48 #include <ktoggleaction.h>
  49 #include <kurl.h>
  50
  51 #include "dolphinmodel.h"
  52 #include "dolphincolumnviewcontainer.h"
  53 #include "dolphincontroller.h"
  54 #include "dolphindetailsview.h"
  55 #include "dolphinfileitemdelegate.h"
  56 #include "dolphinnewmenuobserver.h"
  57 #include "dolphinsortfilterproxymodel.h"
  58 #include "dolphin_detailsmodesettings.h"
  59 #include "dolphiniconsview.h"
  60 #include "dolphin_generalsettings.h"
  61 #include "draganddrophelper.h"
  62 #include "folderexpander.h"
  63 #include "renamedialog.h"
  64 #include "settings/dolphinsettings.h"
  65 #include "versioncontrolobserver.h"
  66 #include "viewproperties.h"
  67 #include "zoomlevelinfo.h"
  68
  69 /**
  70  * Helper function for sorting items with qSort() in
  71  * DolphinView::renameSelectedItems().
  72  */
  73 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  74 {
  75     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  76 }
  77
  78 DolphinView::DolphinView(QWidget* parent,
  79                          const KUrl& url,
  80                          DolphinSortFilterProxyModel* proxyModel) :
  81     QWidget(parent),
  82     m_active(true),
  83     m_showPreview(false),
  84     m_loadingDirectory(false),
  85     m_storedCategorizedSorting(false),
  86     m_tabsForFiles(false),
  87     m_isContextMenuOpen(false),
  88     m_ignoreViewProperties(false),
  89     m_assureVisibleCurrentIndex(false),
  90     m_mode(DolphinView::IconsView),
  91     m_topLayout(0),
  92     m_controller(0),
  93     m_fileItemDelegate(0),
  94     m_viewAccessor(proxyModel),
  95     m_selectionChangedTimer(0),
  96     m_versionControlObserver(0),
  97     m_rootUrl(),
  98     m_activeItemUrl(),
  99     m_createdItemUrl(),
 100     m_selectedItems(),
 101     m_newFileNames(),
 102     m_expandedDragSource(0)
 103 {
 104     m_topLayout = new QVBoxLayout(this);
 105     m_topLayout->setSpacing(0);
 106     m_topLayout->setMargin(0);
 107
 108     m_controller = new DolphinController(this);
 109     m_controller->setUrl(url);
 110
 111     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 112             this, SIGNAL(urlChanged(const KUrl&)));
 113     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 114             this, SLOT(slotRequestUrlChange(const KUrl&)));
 115
 116     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 117             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 118     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 119             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 120     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 121             this, SLOT(updateSorting(DolphinView::Sorting)));
 122     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 123             this, SLOT(updateSortOrder(Qt::SortOrder)));
 124     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 125             this, SLOT(updateSortFoldersFirst(bool)));
 126     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 127             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 128     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 129             this, SLOT(triggerItem(const KFileItem&)));
 130     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 131             this, SIGNAL(tabRequested(const KUrl&)));
 132     connect(m_controller, SIGNAL(activated()),
 133             this, SLOT(activate()));
 134     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 135             this, SLOT(showHoverInformation(const KFileItem&)));
 136     connect(m_controller, SIGNAL(viewportEntered()),
 137             this, SLOT(clearHoverInformation()));
 138
 139     KDirLister* dirLister = m_viewAccessor.dirLister();
 140     connect(dirLister, SIGNAL(redirection(KUrl, KUrl)),
 141             this, SIGNAL(redirection(KUrl, KUrl)));
 142     connect(dirLister, SIGNAL(completed()),
 143             this, SLOT(slotDirListerCompleted()));
 144     connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 145             this, SLOT(slotRefreshItems()));
 146
 147     // When a new item has been created by the "Create New..." menu, the item should
 148     // get selected and it must be assured that the item will get visible. As the
 149     // creation is done asynchronously, several signals must be checked:
 150     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 151             this, SLOT(observeCreatedItem(const KUrl&)));
 152
 153     applyViewProperties();
 154     m_topLayout->addWidget(m_viewAccessor.itemView());
 155 }
 156
 157 DolphinView::~DolphinView()
 158 {
 159     delete m_expandedDragSource;
 160     m_expandedDragSource = 0;
 161 }
 162
 163 const KUrl& DolphinView::url() const
 164 {
 165     return m_controller->url();
 166 }
 167
 168 KUrl DolphinView::rootUrl() const
 169 {
 170     const KUrl viewUrl = url();
 171     const KUrl root = m_viewAccessor.rootUrl();
 172     if (root.isEmpty() || !root.isParentOf(viewUrl)) {
 173         return viewUrl;
 174     }
 175     return root;
 176 }
 177
 178 void DolphinView::setActive(bool active)
 179 {
 180     if (active == m_active) {
 181         return;
 182     }
 183
 184     m_active = active;
 185
 186     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 187     if (active) {
 188         emitSelectionChangedSignal();
 189     } else {
 190         color.setAlpha(150);
 191     }
 192
 193     QWidget* viewport = m_viewAccessor.itemView()->viewport();
 194     QPalette palette;
 195     palette.setColor(viewport->backgroundRole(), color);
 196     viewport->setPalette(palette);
 197
 198     update();
 199
 200     if (active) {
 201         m_viewAccessor.itemView()->setFocus();
 202         emit activated();
 203     }
 204
 205     m_controller->indicateActivationChange(active);
 206 }
 207
 208 bool DolphinView::isActive() const
 209 {
 210     return m_active;
 211 }
 212
 213 void DolphinView::setMode(Mode mode)
 214 {
 215     if (mode == m_mode) {
 216         return; // the wished mode is already set
 217     }
 218
 219     const int oldZoomLevel = m_controller->zoomLevel();
 220     m_mode = mode;
 221
 222     deleteView();
 223
 224     const KUrl viewPropsUrl = rootUrl();
 225     ViewProperties props(viewPropsUrl);
 226     props.setViewMode(m_mode);
 227     createView();
 228
 229     // the file item delegate has been recreated, apply the current
 230     // additional information manually
 231     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 232     m_fileItemDelegate->setShowInformation(infoList);
 233     emit additionalInfoChanged();
 234
 235     // Not all view modes support categorized sorting. Adjust the sorting model
 236     // if changing the view mode results in a change of the categorized sorting
 237     // capabilities.
 238     m_storedCategorizedSorting = props.categorizedSorting();
 239     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 240     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
 241         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 242         emit categorizedSortingChanged();
 243     }
 244
 245     emit modeChanged();
 246
 247     updateZoomLevel(oldZoomLevel);
 248     if (m_showPreview) {
 249         loadDirectory(viewPropsUrl);
 250     }
 251 }
 252
 253 DolphinView::Mode DolphinView::mode() const
 254 {
 255     return m_mode;
 256 }
 257
 258 bool DolphinView::showPreview() const
 259 {
 260     return m_showPreview;
 261 }
 262
 263 bool DolphinView::showHiddenFiles() const
 264 {
 265     return m_viewAccessor.dirLister()->showingDotFiles();
 266 }
 267
 268 bool DolphinView::categorizedSorting() const
 269 {
 270     // If all view modes would support categorized sorting, returning
 271     // m_viewAccessor.proxyModel()->isCategorizedModel() would be the way to go. As
 272     // currently only the icons view supports caterized sorting, we remember
 273     // the stored view properties state in m_storedCategorizedSorting and
 274     // return this state. The application takes care to disable the corresponding
 275     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 276     // that this setting is not applied to the current view mode.
 277     return m_storedCategorizedSorting;
 278 }
 279
 280 bool DolphinView::supportsCategorizedSorting() const
 281 {
 282     return m_viewAccessor.supportsCategorizedSorting();
 283 }
 284
 285 void DolphinView::selectAll()
 286 {
 287     QAbstractItemView* view = m_viewAccessor.itemView();
 288     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 289     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 290     // selection instead of selecting all items. This is bypassed for KDE 4.0
 291     // by invoking clearSelection() first.
 292     view->clearSelection();
 293     view->selectAll();
 294 }
 295
 296 void DolphinView::invertSelection()
 297 {
 298     QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
 299     const QAbstractItemModel* itemModel = selectionModel->model();
 300
 301     const QModelIndex topLeft = itemModel->index(0, 0);
 302     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 303                                                      itemModel->columnCount() - 1);
 304
 305     const QItemSelection selection(topLeft, bottomRight);
 306     selectionModel->select(selection, QItemSelectionModel::Toggle);
 307 }
 308
 309 bool DolphinView::hasSelection() const
 310 {
 311     return m_viewAccessor.itemView()->selectionModel()->hasSelection();
 312 }
 313
 314 void DolphinView::clearSelection()
 315 {
 316     QItemSelectionModel* selModel = m_viewAccessor.itemView()->selectionModel();
 317     const QModelIndex currentIndex = selModel->currentIndex();
 318     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 319                                             QItemSelectionModel::Clear);
 320     m_selectedItems.clear();
 321 }
 322
 323 KFileItemList DolphinView::selectedItems() const
 324 {
 325     const QAbstractItemView* view = m_viewAccessor.itemView();
 326
 327     // Our view has a selection, we will map them back to the DolphinModel
 328     // and then fill the KFileItemList.
 329     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 330
 331     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
 332     KFileItemList itemList;
 333
 334     const QModelIndexList indexList = selection.indexes();
 335     foreach (const QModelIndex &index, indexList) {
 336         KFileItem item = m_viewAccessor.dirModel()->itemForIndex(index);
 337         if (!item.isNull()) {
 338             itemList.append(item);
 339         }
 340     }
 341
 342     return itemList;
 343 }
 344
 345 KUrl::List DolphinView::selectedUrls() const
 346 {
 347     KUrl::List urls;
 348     const KFileItemList list = selectedItems();
 349     foreach (const KFileItem &item, list) {
 350         urls.append(item.url());
 351     }
 352     return urls;
 353 }
 354
 355 int DolphinView::selectedItemsCount() const
 356 {
 357     return m_viewAccessor.itemView()->selectionModel()->selectedIndexes().count();
 358 }
 359
 360 void DolphinView::setContentsPosition(int x, int y)
 361 {
 362     QAbstractItemView* view = m_viewAccessor.itemView();
 363     view->horizontalScrollBar()->setValue(x);
 364     view->verticalScrollBar()->setValue(y);
 365
 366     m_loadingDirectory = false;
 367 }
 368
 369 QPoint DolphinView::contentsPosition() const
 370 {
 371     const int x = m_viewAccessor.itemView()->horizontalScrollBar()->value();
 372     const int y = m_viewAccessor.itemView()->verticalScrollBar()->value();
 373     return QPoint(x, y);
 374 }
 375
 376 void DolphinView::setZoomLevel(int level)
 377 {
 378     if (level < ZoomLevelInfo::minimumLevel()) {
 379         level = ZoomLevelInfo::minimumLevel();
 380     } else if (level > ZoomLevelInfo::maximumLevel()) {
 381         level = ZoomLevelInfo::maximumLevel();
 382     }
 383
 384     if (level != zoomLevel()) {
 385         m_controller->setZoomLevel(level);
 386         emit zoomLevelChanged(level);
 387     }
 388 }
 389
 390 int DolphinView::zoomLevel() const
 391 {
 392     return m_controller->zoomLevel();
 393 }
 394
 395 void DolphinView::setSorting(Sorting sorting)
 396 {
 397     if (sorting != this->sorting()) {
 398         updateSorting(sorting);
 399     }
 400 }
 401
 402 DolphinView::Sorting DolphinView::sorting() const
 403 {
 404     return m_viewAccessor.proxyModel()->sorting();
 405 }
 406
 407 void DolphinView::setSortOrder(Qt::SortOrder order)
 408 {
 409     if (sortOrder() != order) {
 410         updateSortOrder(order);
 411     }
 412 }
 413
 414 Qt::SortOrder DolphinView::sortOrder() const
 415 {
 416     return m_viewAccessor.proxyModel()->sortOrder();
 417 }
 418
 419 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 420 {
 421     if (sortFoldersFirst() != foldersFirst) {
 422         updateSortFoldersFirst(foldersFirst);
 423     }
 424 }
 425
 426 bool DolphinView::sortFoldersFirst() const
 427 {
 428     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 429 }
 430
 431 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 432 {
 433     const KUrl viewPropsUrl = rootUrl();
 434     ViewProperties props(viewPropsUrl);
 435     props.setAdditionalInfo(info);
 436     m_fileItemDelegate->setShowInformation(info);
 437
 438     emit additionalInfoChanged();
 439
 440     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 441         loadDirectory(viewPropsUrl);
 442     }
 443 }
 444
 445 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 446 {
 447     return m_fileItemDelegate->showInformation();
 448 }
 449
 450 void DolphinView::reload()
 451 {
 452     setUrl(url());
 453     loadDirectory(url(), true);
 454 }
 455
 456 void DolphinView::refresh()
 457 {
 458     m_ignoreViewProperties = false;
 459
 460     const bool oldActivationState = m_active;
 461     const int oldZoomLevel = m_controller->zoomLevel();
 462     m_active = true;
 463
 464     createView();
 465     applyViewProperties();
 466     reload();
 467
 468     setActive(oldActivationState);
 469     updateZoomLevel(oldZoomLevel);
 470 }
 471
 472 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 473 {
 474     Q_UNUSED(rootUrl); // TODO: remove after columnview-cleanup has been finished
 475
 476     if (m_controller->url() == url) {
 477         return;
 478     }
 479
 480     m_controller->setUrl(url); // emits urlChanged, which we forward
 481     if (m_viewAccessor.prepareUrlChange(url)) {
 482         initializeView();
 483     }
 484     applyViewProperties();
 485     loadDirectory(url);
 486
 487     // When changing the URL there is no need to keep the version
 488     // data of the previous URL.
 489     m_viewAccessor.dirModel()->clearVersionData();
 490
 491     emit startedPathLoading(url);
 492 }
 493
 494 void DolphinView::setNameFilter(const QString& nameFilter)
 495 {
 496     m_controller->setNameFilter(nameFilter);
 497 }
 498
 499 void DolphinView::calculateItemCount(int& fileCount,
 500                                      int& folderCount,
 501                                      KIO::filesize_t& totalFileSize) const
 502 {
 503     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 504         if (item.isDir()) {
 505             ++folderCount;
 506         } else {
 507             ++fileCount;
 508             totalFileSize += item.size();
 509         }
 510     }
 511 }
 512
 513 QString DolphinView::statusBarText() const
 514 {
 515     QString text;
 516     int folderCount = 0;
 517     int fileCount = 0;
 518     KIO::filesize_t totalFileSize = 0;
 519
 520     if (hasSelection()) {
 521         // give a summary of the status of the selected files
 522         const KFileItemList list = selectedItems();
 523         if (list.isEmpty()) {
 524             // when an item is triggered, it is temporary selected but selectedItems()
 525             // will return an empty list
 526             return text;
 527         }
 528
 529         KFileItemList::const_iterator it = list.begin();
 530         const KFileItemList::const_iterator end = list.end();
 531         while (it != end) {
 532             const KFileItem& item = *it;
 533             if (item.isDir()) {
 534                 ++folderCount;
 535             } else {
 536                 ++fileCount;
 537                 totalFileSize += item.size();
 538             }
 539             ++it;
 540         }
 541
 542         if (folderCount + fileCount == 1) {
 543             // if only one item is selected, show the filename
 544             const QString name = list.first().name();
 545             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 546                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 547                                               name, KIO::convertSize(totalFileSize));
 548         } else {
 549             // at least 2 items are selected
 550             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 551             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 552             if ((folderCount > 0) && (fileCount > 0)) {
 553                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 554                              foldersText, filesText, KIO::convertSize(totalFileSize));
 555             } else if (fileCount > 0) {
 556                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 557             } else {
 558                 Q_ASSERT(folderCount > 0);
 559                 text = foldersText;
 560             }
 561         }
 562     } else {
 563         calculateItemCount(fileCount, folderCount, totalFileSize);
 564         text = KIO::itemsSummaryString(fileCount + folderCount,
 565                                        fileCount, folderCount,
 566                                        totalFileSize, true);
 567     }
 568
 569     return text;
 570 }
 571
 572 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 573 {
 574     return items.isEmpty()
 575            ? m_versionControlObserver->contextMenuActions(url().path(KUrl::AddTrailingSlash))
 576            : m_versionControlObserver->contextMenuActions(items);
 577 }
 578
 579 void DolphinView::setUrl(const KUrl& url)
 580 {
 581     m_newFileNames.clear();
 582     updateView(url, KUrl());
 583 }
 584
 585 void DolphinView::changeSelection(const KFileItemList& selection)
 586 {
 587     clearSelection();
 588     if (selection.isEmpty()) {
 589         return;
 590     }
 591     const KUrl& baseUrl = url();
 592     KUrl url;
 593     QItemSelection newSelection;
 594     foreach(const KFileItem& item, selection) {
 595         url = item.url().upUrl();
 596         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 597             QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
 598             newSelection.select(index, index);
 599         }
 600     }
 601     m_viewAccessor.itemView()->selectionModel()->select(newSelection,
 602                                          QItemSelectionModel::ClearAndSelect
 603                                          | QItemSelectionModel::Current);
 604 }
 605
 606 void DolphinView::renameSelectedItems()
 607 {
 608     KFileItemList items = selectedItems();
 609     const int itemCount = items.count();
 610     if (itemCount < 1) {
 611         return;
 612     }
 613
 614     if (itemCount > 1) {
 615         // More than one item has been selected for renaming. Open
 616         // a rename dialog and rename all items afterwards.
 617         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 618         if (dialog->exec() == QDialog::Rejected) {
 619             delete dialog;
 620             return;
 621         }
 622
 623         const QString newName = dialog->newName();
 624         if (newName.isEmpty()) {
 625             emit errorMessage(dialog->errorString());
 626             delete dialog;
 627             return;
 628         }
 629         delete dialog;
 630
 631         // the selection would be invalid after renaming the items, so just clear
 632         // it before
 633         clearSelection();
 634
 635         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 636         // as one operation instead of n rename operations like it is done now...
 637         Q_ASSERT(newName.contains('#'));
 638
 639         // currently the items are sorted by the selection order, resort
 640         // them by the file name
 641         qSort(items.begin(), items.end(), lessThan);
 642
 643         // iterate through all selected items and rename them...
 644         int index = 1;
 645         foreach (const KFileItem& item, items) {
 646             const KUrl& oldUrl = item.url();
 647             QString number;
 648             number.setNum(index++);
 649
 650             QString name = newName;
 651             name.replace('#', number);
 652
 653             if (oldUrl.fileName() != name) {
 654                 KUrl newUrl = oldUrl;
 655                 newUrl.setFileName(name);
 656                 KonqOperations::rename(this, oldUrl, newUrl);
 657             }
 658         }
 659     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 660         Q_ASSERT(itemCount == 1);
 661         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 662         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 663         m_viewAccessor.itemView()->edit(proxyIndex);
 664     } else {
 665         Q_ASSERT(itemCount == 1);
 666
 667         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 668         if (dialog->exec() == QDialog::Rejected) {
 669             delete dialog;
 670             return;
 671         }
 672
 673         const QString newName = dialog->newName();
 674         if (newName.isEmpty()) {
 675             emit errorMessage(dialog->errorString());
 676             delete dialog;
 677             return;
 678         }
 679         delete dialog;
 680
 681         const KUrl& oldUrl = items.first().url();
 682         KUrl newUrl = oldUrl;
 683         newUrl.setFileName(newName);
 684         KonqOperations::rename(this, oldUrl, newUrl);
 685     }
 686
 687     // assure that the current index remains visible when KDirLister
 688     // will notify the view about changed items
 689     m_assureVisibleCurrentIndex = true;
 690 }
 691
 692 void DolphinView::trashSelectedItems()
 693 {
 694     const KUrl::List list = simplifiedSelectedUrls();
 695     KonqOperations::del(this, KonqOperations::TRASH, list);
 696 }
 697
 698 void DolphinView::deleteSelectedItems()
 699 {
 700     const KUrl::List list = simplifiedSelectedUrls();
 701     const bool del = KonqOperations::askDeleteConfirmation(list,
 702                      KonqOperations::DEL,
 703                      KonqOperations::DEFAULT_CONFIRMATION,
 704                      this);
 705
 706     if (del) {
 707         KIO::Job* job = KIO::del(list);
 708         connect(job, SIGNAL(result(KJob*)),
 709                 this, SLOT(slotDeleteFileFinished(KJob*)));
 710     }
 711 }
 712
 713 void DolphinView::cutSelectedItems()
 714 {
 715     QMimeData* mimeData = selectionMimeData();
 716     KonqMimeData::addIsCutSelection(mimeData, true);
 717     QApplication::clipboard()->setMimeData(mimeData);
 718 }
 719
 720 void DolphinView::copySelectedItems()
 721 {
 722     QMimeData* mimeData = selectionMimeData();
 723     QApplication::clipboard()->setMimeData(mimeData);
 724 }
 725
 726 void DolphinView::paste()
 727 {
 728     pasteToUrl(url());
 729 }
 730
 731 void DolphinView::pasteIntoFolder()
 732 {
 733     const KFileItemList items = selectedItems();
 734     if ((items.count() == 1) && items.first().isDir()) {
 735         pasteToUrl(items.first().url());
 736     }
 737 }
 738
 739 void DolphinView::setShowPreview(bool show)
 740 {
 741     if (m_showPreview == show) {
 742         return;
 743     }
 744
 745     const KUrl viewPropsUrl = rootUrl();
 746     ViewProperties props(viewPropsUrl);
 747     props.setShowPreview(show);
 748
 749     m_showPreview = show;
 750     const int oldZoomLevel = m_controller->zoomLevel();
 751     emit showPreviewChanged();
 752
 753     // Enabling or disabling the preview might change the icon size of the view.
 754     // As the view does not emit a signal when the icon size has been changed,
 755     // the used zoom level of the controller must be adjusted manually:
 756     updateZoomLevel(oldZoomLevel);
 757
 758     loadDirectory(viewPropsUrl);
 759 }
 760
 761 void DolphinView::setShowHiddenFiles(bool show)
 762 {
 763     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 764         return;
 765     }
 766
 767     const KUrl viewPropsUrl = rootUrl();
 768     ViewProperties props(viewPropsUrl);
 769     props.setShowHiddenFiles(show);
 770
 771     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 772     emit showHiddenFilesChanged();
 773
 774     loadDirectory(viewPropsUrl);
 775 }
 776
 777 void DolphinView::setCategorizedSorting(bool categorized)
 778 {
 779     if (categorized == categorizedSorting()) {
 780         return;
 781     }
 782
 783     // setCategorizedSorting(true) may only get invoked
 784     // if the view supports categorized sorting
 785     Q_ASSERT(!categorized || supportsCategorizedSorting());
 786
 787     ViewProperties props(rootUrl());
 788     props.setCategorizedSorting(categorized);
 789     props.save();
 790
 791     m_storedCategorizedSorting = categorized;
 792     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 793
 794     emit categorizedSortingChanged();
 795 }
 796
 797 void DolphinView::toggleSortOrder()
 798 {
 799     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 800                                 Qt::DescendingOrder :
 801                                 Qt::AscendingOrder;
 802     setSortOrder(order);
 803 }
 804
 805 void DolphinView::toggleSortFoldersFirst()
 806 {
 807     setSortFoldersFirst(!sortFoldersFirst());
 808 }
 809
 810 void DolphinView::toggleAdditionalInfo(QAction* action)
 811 {
 812     const KFileItemDelegate::Information info =
 813         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 814
 815     KFileItemDelegate::InformationList list = additionalInfo();
 816
 817     const bool show = action->isChecked();
 818
 819     const int index = list.indexOf(info);
 820     const bool containsInfo = (index >= 0);
 821     if (show && !containsInfo) {
 822         list.append(info);
 823         setAdditionalInfo(list);
 824     } else if (!show && containsInfo) {
 825         list.removeAt(index);
 826         setAdditionalInfo(list);
 827         Q_ASSERT(list.indexOf(info) < 0);
 828     }
 829 }
 830
 831 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 832 {
 833     QWidget::mouseReleaseEvent(event);
 834     setActive(true);
 835 }
 836
 837 void DolphinView::wheelEvent(QWheelEvent* event)
 838 {
 839     if (event->modifiers() & Qt::ControlModifier) {
 840         const int delta = event->delta();
 841         const int level = zoomLevel();
 842         if (delta > 0) {
 843             setZoomLevel(level + 1);
 844         } else if (delta < 0) {
 845             setZoomLevel(level - 1);
 846         }
 847         event->accept();
 848     }
 849 }
 850
 851 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 852 {
 853     switch (event->type()) {
 854     case QEvent::FocusIn:
 855         if (watched == m_viewAccessor.itemView()) {
 856             m_controller->requestActivation();
 857         }
 858         break;
 859
 860     case QEvent::MouseButtonPress:
 861         if ((watched == m_viewAccessor.itemView()->viewport()) && (m_expandedDragSource != 0)) {
 862             // Listening to a mousebutton press event to delete expanded views is a
 863             // workaround, as it seems impossible for the FolderExpander to know when
 864             // a dragging outside a view has been finished. However it works quite well:
 865             // A mousebutton press event indicates that a drag operation must be
 866             // finished already.
 867             m_expandedDragSource->deleteLater();
 868             m_expandedDragSource = 0;
 869         }
 870         break;
 871
 872     case QEvent::DragEnter:
 873         if (watched == m_viewAccessor.itemView()->viewport()) {
 874             setActive(true);
 875         }
 876         break;
 877
 878     case QEvent::KeyPress:
 879         if (watched == m_viewAccessor.itemView()) {
 880             // clear the selection when Escape has been pressed
 881             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 882             if (keyEvent->key() == Qt::Key_Escape) {
 883                 clearSelection();
 884             }
 885         }
 886         break;
 887
 888     default:
 889         break;
 890     }
 891
 892     return QWidget::eventFilter(watched, event);
 893 }
 894
 895 void DolphinView::activate()
 896 {
 897     setActive(true);
 898 }
 899
 900 void DolphinView::triggerItem(const KFileItem& item)
 901 {
 902     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 903     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 904         // items are selected by the user, hence don't trigger the
 905         // item specified by 'index'
 906         return;
 907     }
 908
 909     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 910     if (item.isNull() || m_isContextMenuOpen) {
 911         return;
 912     }
 913
 914     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 915 }
 916
 917 void DolphinView::emitDelayedSelectionChangedSignal()
 918 {
 919     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 920     // that fast selection changes don't result in expensive operations to
 921     // collect all file items for the signal (see DolphinView::selectedItems()).
 922     m_selectionChangedTimer->start();
 923 }
 924
 925 void DolphinView::emitSelectionChangedSignal()
 926 {
 927     emit selectionChanged(DolphinView::selectedItems());
 928 }
 929
 930 void DolphinView::openContextMenu(const QPoint& pos,
 931                                   const QList<QAction*>& customActions)
 932 {
 933     KFileItem item;
 934     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 935     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 936         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 937         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 938     }
 939
 940     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 941     emit requestContextMenu(item, url(), customActions);
 942     m_isContextMenuOpen = false;
 943 }
 944
 945 void DolphinView::dropUrls(const KFileItem& destItem,
 946                            const KUrl& destPath,
 947                            QDropEvent* event)
 948 {
 949     addNewFileNames(event->mimeData());
 950     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 951 }
 952
 953 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 954 {
 955     ViewProperties props(rootUrl());
 956     props.setSorting(sorting);
 957
 958     m_viewAccessor.proxyModel()->setSorting(sorting);
 959
 960     emit sortingChanged(sorting);
 961 }
 962
 963 void DolphinView::updateSortOrder(Qt::SortOrder order)
 964 {
 965     ViewProperties props(rootUrl());
 966     props.setSortOrder(order);
 967
 968     m_viewAccessor.proxyModel()->setSortOrder(order);
 969
 970     emit sortOrderChanged(order);
 971 }
 972
 973 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 974 {
 975     ViewProperties props(rootUrl());
 976     props.setSortFoldersFirst(foldersFirst);
 977
 978     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 979
 980     emit sortFoldersFirstChanged(foldersFirst);
 981 }
 982
 983 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 984 {
 985     ViewProperties props(rootUrl());
 986     props.setAdditionalInfo(info);
 987     props.save();
 988
 989     m_fileItemDelegate->setShowInformation(info);
 990
 991     emit additionalInfoChanged();
 992 }
 993
 994 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 995 {
 996     const bool enable = (m_mode == DolphinView::DetailsView) ||
 997                         (m_mode == DolphinView::IconsView);
 998
 999     QAction* showSizeInfo = collection->action("show_size_info");
1000     QAction* showDateInfo = collection->action("show_date_info");
1001     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1002     QAction* showOwnerInfo = collection->action("show_owner_info");
1003     QAction* showGroupInfo = collection->action("show_group_info");
1004     QAction* showMimeInfo = collection->action("show_mime_info");
1005
1006     showSizeInfo->setChecked(false);
1007     showDateInfo->setChecked(false);
1008     showPermissionsInfo->setChecked(false);
1009     showOwnerInfo->setChecked(false);
1010     showGroupInfo->setChecked(false);
1011     showMimeInfo->setChecked(false);
1012
1013     showSizeInfo->setEnabled(enable);
1014     showDateInfo->setEnabled(enable);
1015     showPermissionsInfo->setEnabled(enable);
1016     showOwnerInfo->setEnabled(enable);
1017     showGroupInfo->setEnabled(enable);
1018     showMimeInfo->setEnabled(enable);
1019
1020     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1021         switch (info) {
1022         case KFileItemDelegate::Size:
1023             showSizeInfo->setChecked(true);
1024             break;
1025         case KFileItemDelegate::ModificationTime:
1026             showDateInfo->setChecked(true);
1027             break;
1028         case KFileItemDelegate::Permissions:
1029             showPermissionsInfo->setChecked(true);
1030             break;
1031         case KFileItemDelegate::Owner:
1032             showOwnerInfo->setChecked(true);
1033             break;
1034         case KFileItemDelegate::OwnerAndGroup:
1035             showGroupInfo->setChecked(true);
1036             break;
1037         case KFileItemDelegate::FriendlyMimeType:
1038             showMimeInfo->setChecked(true);
1039             break;
1040         default:
1041             break;
1042         }
1043     }
1044 }
1045
1046 QPair<bool, QString> DolphinView::pasteInfo() const
1047 {
1048     return KonqOperations::pasteInfo(url());
1049 }
1050
1051 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1052 {
1053     m_tabsForFiles = tabsForFiles;
1054 }
1055
1056 bool DolphinView::isTabsForFilesEnabled() const
1057 {
1058     return m_tabsForFiles;
1059 }
1060
1061 void DolphinView::activateItem(const KUrl& url)
1062 {
1063     m_activeItemUrl = url;
1064 }
1065
1066 bool DolphinView::itemsExpandable() const
1067 {
1068     return m_viewAccessor.itemsExpandable();
1069 }
1070
1071 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1072 {
1073     if (view == 0)
1074         return;
1075
1076     if (DragAndDropHelper::instance().isDragSource(view)) {
1077         // We must store for later deletion.
1078         if (m_expandedDragSource != 0) {
1079             // The old stored view is obviously not the drag source anymore.
1080             m_expandedDragSource->deleteLater();
1081             m_expandedDragSource = 0;
1082         }
1083         view->hide();
1084         m_expandedDragSource = view;
1085     }
1086     else {
1087         view->deleteLater();
1088     }
1089 }
1090
1091 void DolphinView::observeCreatedItem(const KUrl& url)
1092 {
1093     m_createdItemUrl = url;
1094     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1095             this, SLOT(selectAndScrollToCreatedItem()));
1096 }
1097
1098 void DolphinView::selectAndScrollToCreatedItem()
1099 {
1100     const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1101     if (dirIndex.isValid()) {
1102         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1103         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1104     }
1105
1106     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1107                this, SLOT(selectAndScrollToCreatedItem()));
1108     m_createdItemUrl = KUrl();
1109 }
1110
1111 void DolphinView::restoreSelection()
1112 {
1113     disconnect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1114     changeSelection(m_selectedItems);
1115 }
1116
1117 void DolphinView::emitContentsMoved()
1118 {
1119     // only emit the contents moved signal if no directory loading is ongoing
1120     // (this would reset the contents position always to (0, 0))
1121     if (!m_loadingDirectory) {
1122         const QPoint pos(contentsPosition());
1123         emit contentsMoved(pos.x(), pos.y());
1124     }
1125 }
1126
1127 void DolphinView::showHoverInformation(const KFileItem& item)
1128 {
1129     emit requestItemInfo(item);
1130 }
1131
1132 void DolphinView::clearHoverInformation()
1133 {
1134     emit requestItemInfo(KFileItem());
1135 }
1136
1137 void DolphinView::slotDeleteFileFinished(KJob* job)
1138 {
1139     if (job->error() == 0) {
1140         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1141     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1142         emit errorMessage(job->errorString());
1143     }
1144 }
1145
1146 void DolphinView::slotRequestUrlChange(const KUrl& url)
1147 {
1148     emit requestUrlChange(url);
1149     m_controller->setUrl(url);
1150 }
1151
1152 void DolphinView::slotDirListerCompleted()
1153 {
1154     if (!m_activeItemUrl.isEmpty()) {
1155         // assure that the current item remains visible
1156         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1157         if (dirIndex.isValid()) {
1158             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1159             QAbstractItemView* view = m_viewAccessor.itemView();
1160             const bool clearSelection = !hasSelection();
1161             view->setCurrentIndex(proxyIndex);
1162             if (clearSelection) {
1163                 view->clearSelection();
1164             }
1165             m_activeItemUrl.clear();
1166         }
1167     }
1168
1169     if (!m_newFileNames.isEmpty()) {
1170         // select all newly added items created by a paste operation or
1171         // a drag & drop operation
1172         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1173         QItemSelection selection;
1174         for (int row = 0; row < rowCount; ++row) {
1175             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1176             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1177             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1178             if (m_newFileNames.contains(url.fileName())) {
1179                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1180             }
1181         }
1182         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1183
1184         m_newFileNames.clear();
1185     }
1186 }
1187
1188 void DolphinView::slotRefreshItems()
1189 {
1190     if (m_assureVisibleCurrentIndex) {
1191         m_assureVisibleCurrentIndex = false;
1192         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1193     }
1194 }
1195
1196 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1197 {
1198     if (!url.isValid()) {
1199         const QString location(url.pathOrUrl());
1200         if (location.isEmpty()) {
1201             emit errorMessage(i18nc("@info:status", "The location is empty."));
1202         } else {
1203             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1204         }
1205         return;
1206     }
1207
1208     m_loadingDirectory = true;
1209
1210     if (reload) {
1211         m_selectedItems = selectedItems();
1212         connect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1213     }
1214
1215     m_viewAccessor.dirLister()->stop();
1216     m_viewAccessor.dirLister()->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1217 }
1218
1219 void DolphinView::applyViewProperties()
1220 {
1221     if (m_ignoreViewProperties) {
1222         return;
1223     }
1224
1225     const ViewProperties props(rootUrl());
1226
1227     const Mode mode = props.viewMode();
1228     if (m_mode != mode) {
1229         const int oldZoomLevel = m_controller->zoomLevel();
1230
1231         m_mode = mode;
1232         createView();
1233         emit modeChanged();
1234
1235         updateZoomLevel(oldZoomLevel);
1236     }
1237     if (m_viewAccessor.itemView() == 0) {
1238         createView();
1239     }
1240     Q_ASSERT(m_viewAccessor.itemView() != 0);
1241     Q_ASSERT(m_fileItemDelegate != 0);
1242
1243     const bool showHiddenFiles = props.showHiddenFiles();
1244     if (showHiddenFiles != m_viewAccessor.dirLister()->showingDotFiles()) {
1245         m_viewAccessor.dirLister()->setShowingDotFiles(showHiddenFiles);
1246         emit showHiddenFilesChanged();
1247     }
1248
1249     m_storedCategorizedSorting = props.categorizedSorting();
1250     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1251     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1252         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1253         emit categorizedSortingChanged();
1254     }
1255
1256     const DolphinView::Sorting sorting = props.sorting();
1257     if (sorting != m_viewAccessor.proxyModel()->sorting()) {
1258         m_viewAccessor.proxyModel()->setSorting(sorting);
1259         emit sortingChanged(sorting);
1260     }
1261
1262     const Qt::SortOrder sortOrder = props.sortOrder();
1263     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1264         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1265         emit sortOrderChanged(sortOrder);
1266     }
1267
1268     const bool sortFoldersFirst = props.sortFoldersFirst();
1269     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1270         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1271         emit sortFoldersFirstChanged(sortFoldersFirst);
1272     }
1273
1274     KFileItemDelegate::InformationList info = props.additionalInfo();
1275     if (info != m_fileItemDelegate->showInformation()) {
1276         m_fileItemDelegate->setShowInformation(info);
1277         emit additionalInfoChanged();
1278     }
1279
1280     const bool showPreview = props.showPreview();
1281     if (showPreview != m_showPreview) {
1282         m_showPreview = showPreview;
1283         const int oldZoomLevel = m_controller->zoomLevel();
1284         emit showPreviewChanged();
1285
1286         // Enabling or disabling the preview might change the icon size of the view.
1287         // As the view does not emit a signal when the icon size has been changed,
1288         // the used zoom level of the controller must be adjusted manually:
1289         updateZoomLevel(oldZoomLevel);
1290     }
1291
1292     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1293         // During the lifetime of a DolphinView instance the global view properties
1294         // should not be changed. This allows e. g. to split a view and use different
1295         // view properties for each view.
1296         m_ignoreViewProperties = true;
1297     }
1298 }
1299
1300 void DolphinView::createView()
1301 {
1302     deleteView();
1303     Q_ASSERT(m_viewAccessor.itemView() == 0);
1304     m_viewAccessor.createView(this, m_controller, m_mode);
1305     initializeView();
1306     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
1307 }
1308
1309 void DolphinView::deleteView()
1310 {
1311     QAbstractItemView* view = m_viewAccessor.itemView();
1312     if (view != 0) {
1313         // It's important to set the keyboard focus to the parent
1314         // before deleting the view: Otherwise when having a split
1315         // view the other view will get the focus and will request
1316         // an activation (see DolphinView::eventFilter()).
1317         setFocusProxy(0);
1318         setFocus();
1319
1320         m_topLayout->removeWidget(view);
1321         view->close();
1322
1323         disconnect(view);
1324         m_controller->disconnect(view);
1325         view->disconnect();
1326
1327         // TODO: move this code into ViewAccessor::deleteView()
1328         deleteWhenNotDragSource(view);
1329         view = 0;
1330
1331         m_viewAccessor.deleteView();
1332         m_fileItemDelegate = 0;
1333     }
1334 }
1335
1336 void DolphinView::initializeView()
1337 {
1338     QAbstractItemView* view = m_viewAccessor.itemView();
1339     Q_ASSERT(view != 0);
1340     view->installEventFilter(this);
1341     view->viewport()->installEventFilter(this);
1342     setFocusProxy(view);
1343
1344     //if (m_mode != ColumnView) {
1345         // Give the view the ability to auto-expand its directories on hovering
1346         // (the column view takes care about this itself). If the details view
1347         // uses expandable folders, the auto-expanding should be used always.
1348         FolderExpander* folderExpander = new FolderExpander(view, m_viewAccessor.proxyModel());
1349         folderExpander->setEnabled(m_viewAccessor.hasExpandableFolders());
1350         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1351                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1352
1353     // TODO: enable again later
1354     /*}
1355     else {
1356         // Listen out for requests to delete the current column.
1357         connect(m_viewAccessor.columnsContainer(), SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1358                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1359     }*/
1360
1361     m_controller->setItemView(view);
1362
1363     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1364     m_fileItemDelegate->setShowToolTipWhenElided(false);
1365     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1366     view->setItemDelegate(m_fileItemDelegate);
1367
1368     // TODO: reactivate selection model
1369     /*view->setModel(m_viewAccessor.proxyModel());
1370     if (m_selectionModel != 0) {
1371         view->setSelectionModel(m_selectionModel);
1372     } else {
1373         m_selectionModel = view->selectionModel();
1374     }*/
1375
1376     m_selectionChangedTimer = new QTimer(this);
1377     m_selectionChangedTimer->setSingleShot(true);
1378     m_selectionChangedTimer->setInterval(300);
1379     connect(m_selectionChangedTimer, SIGNAL(timeout()),
1380             this, SLOT(emitSelectionChangedSignal()));
1381
1382     // reparent the selection model, as it should not be deleted
1383     // when deleting the model
1384     //m_selectionModel->setParent(this);
1385
1386     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1387
1388     m_versionControlObserver = new VersionControlObserver(view);
1389     connect(m_versionControlObserver, SIGNAL(infoMessage(const QString&)),
1390             this, SIGNAL(infoMessage(const QString&)));
1391     connect(m_versionControlObserver, SIGNAL(errorMessage(const QString&)),
1392             this, SIGNAL(errorMessage(const QString&)));
1393     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(const QString&)),
1394             this, SIGNAL(operationCompletedMessage(const QString&)));
1395
1396     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1397             this, SLOT(emitDelayedSelectionChangedSignal()));
1398     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1399             this, SLOT(emitContentsMoved()));
1400     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1401             this, SLOT(emitContentsMoved()));
1402 }
1403
1404 void DolphinView::pasteToUrl(const KUrl& url)
1405 {
1406     addNewFileNames(QApplication::clipboard()->mimeData());
1407     KonqOperations::doPaste(this, url);
1408 }
1409
1410 void DolphinView::updateZoomLevel(int oldZoomLevel)
1411 {
1412     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1413     if (oldZoomLevel != newZoomLevel) {
1414         m_controller->setZoomLevel(newZoomLevel);
1415         emit zoomLevelChanged(newZoomLevel);
1416     }
1417 }
1418
1419 KUrl::List DolphinView::simplifiedSelectedUrls() const
1420 {
1421     KUrl::List list = selectedUrls();
1422     if (itemsExpandable() ) {
1423         list = KDirModel::simplifiedUrlList(list);
1424     }
1425     return list;
1426 }
1427
1428 QMimeData* DolphinView::selectionMimeData() const
1429 {
1430     const QAbstractItemView* view = m_viewAccessor.itemView();
1431     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1432     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
1433     return m_viewAccessor.dirModel()->mimeData(selection.indexes());
1434 }
1435
1436 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1437 {
1438     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1439     foreach (const KUrl& url, urls) {
1440         m_newFileNames.insert(url.fileName());
1441     }
1442 }
1443
1444 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
1445     m_iconsView(0),
1446     m_detailsView(0),
1447     m_columnsContainer(0),
1448     m_proxyModel(proxyModel)
1449 {
1450 }
1451
1452 void DolphinView::ViewAccessor::createView(QWidget* parent,
1453                                            DolphinController* controller,
1454                                            Mode mode)
1455 {
1456     Q_ASSERT(itemView() == 0);
1457
1458     switch (mode) {
1459     case IconsView:
1460         m_iconsView = new DolphinIconsView(parent, controller, m_proxyModel);
1461         break;
1462
1463     case DetailsView:
1464         m_detailsView = new DolphinDetailsView(parent, controller, m_proxyModel);
1465         break;
1466
1467     case ColumnView:
1468         m_columnsContainer = new DolphinColumnViewContainer(parent, controller);
1469         break;
1470
1471     default:
1472         Q_ASSERT(false);
1473     }
1474 }
1475
1476 void DolphinView::ViewAccessor::deleteView()
1477 {
1478     // TODO: Move the deleteWhenNotDragSource() code into the view
1479     // accessor, so that creating and deleting is fully done by
1480     // the view accessor.
1481     m_iconsView = 0;
1482     m_detailsView = 0;
1483
1484     m_columnsContainer->deleteLater();
1485     m_columnsContainer = 0;
1486 }
1487
1488
1489 bool DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1490 {
1491     if (m_columnsContainer != 0) {
1492         return m_columnsContainer->showColumn(url);
1493     }
1494     return false;
1495 }
1496
1497 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1498 {
1499     if (m_iconsView != 0) {
1500         return m_iconsView;
1501     }
1502
1503     if (m_detailsView != 0) {
1504         return m_detailsView;
1505     }
1506
1507     if (m_columnsContainer != 0) {
1508         return m_columnsContainer->activeColumn();
1509     }
1510
1511     return 0;
1512 }
1513
1514 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1515 {
1516     if (m_columnsContainer != 0) {
1517         return m_columnsContainer;
1518     }
1519     return itemView();
1520 }
1521
1522 KUrl DolphinView::ViewAccessor::rootUrl() const
1523 {
1524     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1525 }
1526
1527 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1528 {
1529     return m_iconsView != 0;
1530 }
1531
1532 bool DolphinView::ViewAccessor::hasExpandableFolders() const
1533 {
1534     const DolphinSettings& settings = DolphinSettings::instance();
1535     return settings.generalSettings()->autoExpandFolders() ||
1536            ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1537 }
1538
1539 bool DolphinView::ViewAccessor::itemsExpandable() const
1540 {
1541     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1542 }
1543
1544 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1545 {
1546     // the details view requires no reloading of the directory, as it maps
1547     // the file item delegate info to its columns internally
1548     return m_detailsView != 0;
1549 }
1550
1551
1552 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1553 {
1554     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1555 }
1556
1557 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1558 {
1559     if (m_columnsContainer != 0) {
1560         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1561     }
1562     return m_proxyModel;
1563 }
1564
1565 KDirLister* DolphinView::ViewAccessor::dirLister() const
1566 {
1567     return dirModel()->dirLister();
1568 }
1569
1570 #include "dolphinview.moc"