src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 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 <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QClipboard>
  26 #include <QKeyEvent>
  27 #include <QItemSelection>
  28 #include <QBoxLayout>
  29 #include <QTimer>
  30 #include <QScrollBar>
  31
  32 #include <kactioncollection.h>
  33 #include <kcolorscheme.h>
  34 #include <kdirlister.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 "dolphincolumnviewcontainer.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 "renamedialog.h"
  64 #include "settings/dolphinsettings.h"
  65 #include "viewproperties.h"
  66 #include "zoomlevelinfo.h"
  67 #include "dolphindetailsviewexpander.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_viewAccessor(proxyModel),
  94     m_selectionModel(0),
  95     m_selectionChangedTimer(0),
  96     m_rootUrl(),
  97     m_activeItemUrl(),
  98     m_restoredContentsPosition(),
  99     m_createdItemUrl(),
 100     m_selectedItems(),
 101     m_newFileNames()
 102 {
 103     m_topLayout = new QVBoxLayout(this);
 104     m_topLayout->setSpacing(0);
 105     m_topLayout->setMargin(0);
 106
 107     m_controller = new DolphinController(this);
 108     m_controller->setUrl(url);
 109
 110     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 111             this, SIGNAL(urlChanged(const KUrl&)));
 112     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 113             this, SLOT(slotRequestUrlChange(const KUrl&)));
 114
 115     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 116             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 117     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 118             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 119     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 120             this, SLOT(updateSorting(DolphinView::Sorting)));
 121     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 122             this, SLOT(updateSortOrder(Qt::SortOrder)));
 123     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 124             this, SLOT(updateSortFoldersFirst(bool)));
 125     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 126             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 127     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 128             this, SLOT(triggerItem(const KFileItem&)));
 129     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 130             this, SIGNAL(tabRequested(const KUrl&)));
 131     connect(m_controller, SIGNAL(activated()),
 132             this, SLOT(activate()));
 133     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 134             this, SLOT(showHoverInformation(const KFileItem&)));
 135     connect(m_controller, SIGNAL(viewportEntered()),
 136             this, SLOT(clearHoverInformation()));
 137
 138     KDirLister* dirLister = m_viewAccessor.dirLister();
 139     connect(dirLister, SIGNAL(redirection(KUrl,KUrl)),
 140             this, SLOT(slotRedirection(KUrl,KUrl)));
 141     connect(dirLister, SIGNAL(completed()),
 142             this, SLOT(slotDirListerCompleted()));
 143     connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 144             this, SLOT(slotRefreshItems()));
 145
 146     // When a new item has been created by the "Create New..." menu, the item should
 147     // get selected and it must be assured that the item will get visible. As the
 148     // creation is done asynchronously, several signals must be checked:
 149     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 150             this, SLOT(observeCreatedItem(const KUrl&)));
 151
 152     m_selectionChangedTimer = new QTimer(this);
 153     m_selectionChangedTimer->setSingleShot(true);
 154     m_selectionChangedTimer->setInterval(300);
 155     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 156             this, SLOT(emitSelectionChangedSignal()));
 157
 158     applyViewProperties();
 159     m_topLayout->addWidget(m_viewAccessor.itemView());
 160 }
 161
 162 DolphinView::~DolphinView()
 163 {
 164 }
 165
 166 const KUrl& DolphinView::url() const
 167 {
 168     return m_controller->url();
 169 }
 170
 171 KUrl DolphinView::rootUrl() const
 172 {
 173     const KUrl viewUrl = url();
 174     const KUrl root = m_viewAccessor.rootUrl();
 175     if (root.isEmpty() || !root.isParentOf(viewUrl)) {
 176         return viewUrl;
 177     }
 178     return root;
 179 }
 180
 181 void DolphinView::setActive(bool active)
 182 {
 183     if (active == m_active) {
 184         return;
 185     }
 186
 187     m_active = active;
 188
 189     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 190     if (active) {
 191         emitSelectionChangedSignal();
 192     } else {
 193         color.setAlpha(150);
 194     }
 195
 196     QWidget* viewport = m_viewAccessor.itemView()->viewport();
 197     QPalette palette;
 198     palette.setColor(viewport->backgroundRole(), color);
 199     viewport->setPalette(palette);
 200
 201     update();
 202
 203     if (active) {
 204         m_viewAccessor.itemView()->setFocus();
 205         emit activated();
 206     }
 207
 208     m_controller->indicateActivationChange(active);
 209 }
 210
 211 bool DolphinView::isActive() const
 212 {
 213     return m_active;
 214 }
 215
 216 void DolphinView::setMode(Mode mode)
 217 {
 218     if (mode == m_mode) {
 219         return; // the wished mode is already set
 220     }
 221
 222     const int oldZoomLevel = m_controller->zoomLevel();
 223     m_mode = mode;
 224
 225     deleteView();
 226
 227     const KUrl viewPropsUrl = rootUrl();
 228     ViewProperties props(viewPropsUrl);
 229     props.setViewMode(m_mode);
 230     createView();
 231
 232     // the file item delegate has been recreated, apply the current
 233     // additional information manually
 234     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 235     m_viewAccessor.itemDelegate()->setShowInformation(infoList);
 236     emit additionalInfoChanged();
 237
 238     // Not all view modes support categorized sorting. Adjust the sorting model
 239     // if changing the view mode results in a change of the categorized sorting
 240     // capabilities.
 241     m_storedCategorizedSorting = props.categorizedSorting();
 242     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 243     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
 244         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 245         emit categorizedSortingChanged();
 246     }
 247
 248     emit modeChanged();
 249
 250     updateZoomLevel(oldZoomLevel);
 251     if (m_showPreview) {
 252         loadDirectory(viewPropsUrl);
 253     }
 254 }
 255
 256 DolphinView::Mode DolphinView::mode() const
 257 {
 258     return m_mode;
 259 }
 260
 261 bool DolphinView::showPreview() const
 262 {
 263     return m_showPreview;
 264 }
 265
 266 bool DolphinView::showHiddenFiles() const
 267 {
 268     return m_viewAccessor.dirLister()->showingDotFiles();
 269 }
 270
 271 bool DolphinView::categorizedSorting() const
 272 {
 273     // If all view modes would support categorized sorting, returning
 274     // m_viewAccessor.proxyModel()->isCategorizedModel() would be the way to go. As
 275     // currently only the icons view supports caterized sorting, we remember
 276     // the stored view properties state in m_storedCategorizedSorting and
 277     // return this state. The application takes care to disable the corresponding
 278     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 279     // that this setting is not applied to the current view mode.
 280     return m_storedCategorizedSorting;
 281 }
 282
 283 bool DolphinView::supportsCategorizedSorting() const
 284 {
 285     return m_viewAccessor.supportsCategorizedSorting();
 286 }
 287
 288 void DolphinView::selectAll()
 289 {
 290     QAbstractItemView* view = m_viewAccessor.itemView();
 291     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 292     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 293     // selection instead of selecting all items. This is bypassed for KDE 4.0
 294     // by invoking clearSelection() first.
 295     view->clearSelection();
 296     view->selectAll();
 297 }
 298
 299 void DolphinView::invertSelection()
 300 {
 301     QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
 302     const QAbstractItemModel* itemModel = selectionModel->model();
 303
 304     const QModelIndex topLeft = itemModel->index(0, 0);
 305     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 306                                                      itemModel->columnCount() - 1);
 307
 308     const QItemSelection selection(topLeft, bottomRight);
 309     selectionModel->select(selection, QItemSelectionModel::Toggle);
 310 }
 311
 312 bool DolphinView::hasSelection() const
 313 {
 314     const QAbstractItemView* view = m_viewAccessor.itemView();
 315     return view && view->selectionModel()->hasSelection();
 316 }
 317
 318 void DolphinView::clearSelection()
 319 {
 320     QItemSelectionModel* selModel = m_viewAccessor.itemView()->selectionModel();
 321     const QModelIndex currentIndex = selModel->currentIndex();
 322     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 323                                             QItemSelectionModel::Clear);
 324     m_selectedItems.clear();
 325 }
 326
 327 KFileItemList DolphinView::selectedItems() const
 328 {
 329     const QAbstractItemView* view = m_viewAccessor.itemView();
 330
 331     // Our view has a selection, we will map them back to the DolphinModel
 332     // and then fill the KFileItemList.
 333     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 334
 335     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
 336     KFileItemList itemList;
 337
 338     const QModelIndexList indexList = selection.indexes();
 339     foreach (const QModelIndex &index, indexList) {
 340         KFileItem item = m_viewAccessor.dirModel()->itemForIndex(index);
 341         if (!item.isNull()) {
 342             itemList.append(item);
 343         }
 344     }
 345
 346     return itemList;
 347 }
 348
 349 KUrl::List DolphinView::selectedUrls() const
 350 {
 351     KUrl::List urls;
 352     const KFileItemList list = selectedItems();
 353     foreach (const KFileItem &item, list) {
 354         urls.append(item.url());
 355     }
 356     return urls;
 357 }
 358
 359 int DolphinView::selectedItemsCount() const
 360 {
 361     return m_viewAccessor.itemView()->selectionModel()->selectedIndexes().count();
 362 }
 363
 364 void DolphinView::setContentsPosition(int x, int y)
 365 {
 366     QAbstractItemView* view = m_viewAccessor.itemView();
 367     Q_ASSERT(view != 0);
 368     view->horizontalScrollBar()->setValue(x);
 369     view->verticalScrollBar()->setValue(y);
 370
 371     m_loadingDirectory = false;
 372 }
 373
 374 void DolphinView::setRestoredContentsPosition(const QPoint& pos)
 375 {
 376     // TODO: This function is called by DolphinViewContainer.
 377     // If it makes use of DolphinView::restoreState(...) to restore the
 378     // view state in KDE 4.5, this function can be removed.
 379     m_restoredContentsPosition = pos;
 380 }
 381
 382 QPoint DolphinView::contentsPosition() const
 383 {
 384     // TODO: If DolphinViewContainer uses DolphinView::saveState(...) to save the
 385     // view state in KDE 4.5, this code can be moved to DolphinView::saveState.
 386     QAbstractItemView* view = m_viewAccessor.itemView();
 387     Q_ASSERT(view != 0);
 388     const int x = view->horizontalScrollBar()->value();
 389     const int y = view->verticalScrollBar()->value();
 390     return QPoint(x, y);
 391 }
 392
 393 void DolphinView::setZoomLevel(int level)
 394 {
 395     if (level < ZoomLevelInfo::minimumLevel()) {
 396         level = ZoomLevelInfo::minimumLevel();
 397     } else if (level > ZoomLevelInfo::maximumLevel()) {
 398         level = ZoomLevelInfo::maximumLevel();
 399     }
 400
 401     if (level != zoomLevel()) {
 402         m_controller->setZoomLevel(level);
 403         emit zoomLevelChanged(level);
 404     }
 405 }
 406
 407 int DolphinView::zoomLevel() const
 408 {
 409     return m_controller->zoomLevel();
 410 }
 411
 412 void DolphinView::setSorting(Sorting sorting)
 413 {
 414     if (sorting != this->sorting()) {
 415         updateSorting(sorting);
 416     }
 417 }
 418
 419 DolphinView::Sorting DolphinView::sorting() const
 420 {
 421     return m_viewAccessor.proxyModel()->sorting();
 422 }
 423
 424 void DolphinView::setSortOrder(Qt::SortOrder order)
 425 {
 426     if (sortOrder() != order) {
 427         updateSortOrder(order);
 428     }
 429 }
 430
 431 Qt::SortOrder DolphinView::sortOrder() const
 432 {
 433     return m_viewAccessor.proxyModel()->sortOrder();
 434 }
 435
 436 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 437 {
 438     if (sortFoldersFirst() != foldersFirst) {
 439         updateSortFoldersFirst(foldersFirst);
 440     }
 441 }
 442
 443 bool DolphinView::sortFoldersFirst() const
 444 {
 445     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 446 }
 447
 448 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 449 {
 450     const KUrl viewPropsUrl = rootUrl();
 451     ViewProperties props(viewPropsUrl);
 452     props.setAdditionalInfo(info);
 453     m_viewAccessor.itemDelegate()->setShowInformation(info);
 454
 455     emit additionalInfoChanged();
 456
 457     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 458         loadDirectory(viewPropsUrl);
 459     }
 460 }
 461
 462 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 463 {
 464     return m_viewAccessor.itemDelegate()->showInformation();
 465 }
 466
 467 void DolphinView::reload()
 468 {
 469     setUrl(url());
 470     loadDirectory(url(), true);
 471 }
 472
 473 void DolphinView::refresh()
 474 {
 475     m_ignoreViewProperties = false;
 476
 477     const bool oldActivationState = m_active;
 478     const int oldZoomLevel = m_controller->zoomLevel();
 479     m_active = true;
 480
 481     createView();
 482     applyViewProperties();
 483     reload();
 484
 485     setActive(oldActivationState);
 486     updateZoomLevel(oldZoomLevel);
 487 }
 488
 489 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 490 {
 491     Q_UNUSED(rootUrl); // TODO: remove after columnview-cleanup has been finished
 492
 493     if (m_controller->url() == url) {
 494         return;
 495     }
 496
 497     m_controller->setUrl(url); // emits urlChanged, which we forward
 498     m_viewAccessor.prepareUrlChange(url);
 499     applyViewProperties();
 500     loadDirectory(url);
 501
 502     // When changing the URL there is no need to keep the version
 503     // data of the previous URL.
 504     m_viewAccessor.dirModel()->clearVersionData();
 505
 506     emit startedPathLoading(url);
 507 }
 508
 509 void DolphinView::setNameFilter(const QString& nameFilter)
 510 {
 511     m_controller->setNameFilter(nameFilter);
 512 }
 513
 514 void DolphinView::calculateItemCount(int& fileCount,
 515                                      int& folderCount,
 516                                      KIO::filesize_t& totalFileSize) const
 517 {
 518     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 519         if (item.isDir()) {
 520             ++folderCount;
 521         } else {
 522             ++fileCount;
 523             totalFileSize += item.size();
 524         }
 525     }
 526 }
 527
 528 QString DolphinView::statusBarText() const
 529 {
 530     QString text;
 531     int folderCount = 0;
 532     int fileCount = 0;
 533     KIO::filesize_t totalFileSize = 0;
 534
 535     if (hasSelection()) {
 536         // give a summary of the status of the selected files
 537         const KFileItemList list = selectedItems();
 538         if (list.isEmpty()) {
 539             // when an item is triggered, it is temporary selected but selectedItems()
 540             // will return an empty list
 541             return text;
 542         }
 543
 544         KFileItemList::const_iterator it = list.begin();
 545         const KFileItemList::const_iterator end = list.end();
 546         while (it != end) {
 547             const KFileItem& item = *it;
 548             if (item.isDir()) {
 549                 ++folderCount;
 550             } else {
 551                 ++fileCount;
 552                 totalFileSize += item.size();
 553             }
 554             ++it;
 555         }
 556
 557         if (folderCount + fileCount == 1) {
 558             // if only one item is selected, show the filename
 559             const QString name = list.first().name();
 560             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 561                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 562                                               name, KIO::convertSize(totalFileSize));
 563         } else {
 564             // at least 2 items are selected
 565             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 566             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 567             if ((folderCount > 0) && (fileCount > 0)) {
 568                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 569                              foldersText, filesText, KIO::convertSize(totalFileSize));
 570             } else if (fileCount > 0) {
 571                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 572             } else {
 573                 Q_ASSERT(folderCount > 0);
 574                 text = foldersText;
 575             }
 576         }
 577     } else {
 578         calculateItemCount(fileCount, folderCount, totalFileSize);
 579         text = KIO::itemsSummaryString(fileCount + folderCount,
 580                                        fileCount, folderCount,
 581                                        totalFileSize, true);
 582     }
 583
 584     return text;
 585 }
 586
 587 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 588 {
 589     return m_controller->versionControlActions(items);
 590 }
 591
 592 void DolphinView::setUrl(const KUrl& url)
 593 {
 594     m_newFileNames.clear();
 595     updateView(url, KUrl());
 596 }
 597
 598 void DolphinView::changeSelection(const KFileItemList& selection)
 599 {
 600     clearSelection();
 601     if (selection.isEmpty()) {
 602         return;
 603     }
 604     const KUrl& baseUrl = url();
 605     KUrl url;
 606     QItemSelection newSelection;
 607     foreach(const KFileItem& item, selection) {
 608         url = item.url().upUrl();
 609         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 610             QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
 611             newSelection.select(index, index);
 612         }
 613     }
 614     m_viewAccessor.itemView()->selectionModel()->select(newSelection,
 615                                          QItemSelectionModel::ClearAndSelect
 616                                          | QItemSelectionModel::Current);
 617 }
 618
 619 void DolphinView::renameSelectedItems()
 620 {
 621     KFileItemList items = selectedItems();
 622     const int itemCount = items.count();
 623     if (itemCount < 1) {
 624         return;
 625     }
 626
 627     if (itemCount > 1) {
 628         // More than one item has been selected for renaming. Open
 629         // a rename dialog and rename all items afterwards.
 630         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 631         if (dialog->exec() == QDialog::Rejected) {
 632             delete dialog;
 633             return;
 634         }
 635
 636         const QString newName = dialog->newName();
 637         if (newName.isEmpty()) {
 638             emit errorMessage(dialog->errorString());
 639             delete dialog;
 640             return;
 641         }
 642         delete dialog;
 643
 644         // the selection would be invalid after renaming the items, so just clear
 645         // it before
 646         clearSelection();
 647
 648         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 649         // as one operation instead of n rename operations like it is done now...
 650         Q_ASSERT(newName.contains('#'));
 651
 652         // currently the items are sorted by the selection order, resort
 653         // them by the file name
 654         qSort(items.begin(), items.end(), lessThan);
 655
 656         // iterate through all selected items and rename them...
 657         int index = 1;
 658         foreach (const KFileItem& item, items) {
 659             const KUrl& oldUrl = item.url();
 660             QString number;
 661             number.setNum(index++);
 662
 663             QString name = newName;
 664             name.replace('#', number);
 665
 666             if (oldUrl.fileName() != name) {
 667                 KUrl newUrl = oldUrl;
 668                 newUrl.setFileName(name);
 669                 KonqOperations::rename(this, oldUrl, newUrl);
 670             }
 671         }
 672     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 673         Q_ASSERT(itemCount == 1);
 674         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 675         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 676         m_viewAccessor.itemView()->edit(proxyIndex);
 677     } else {
 678         Q_ASSERT(itemCount == 1);
 679
 680         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 681         if (dialog->exec() == QDialog::Rejected) {
 682             delete dialog;
 683             return;
 684         }
 685
 686         const QString newName = dialog->newName();
 687         if (newName.isEmpty()) {
 688             emit errorMessage(dialog->errorString());
 689             delete dialog;
 690             return;
 691         }
 692         delete dialog;
 693
 694         const KUrl& oldUrl = items.first().url();
 695         KUrl newUrl = oldUrl;
 696         newUrl.setFileName(newName);
 697         KonqOperations::rename(this, oldUrl, newUrl);
 698     }
 699
 700     // assure that the current index remains visible when KDirLister
 701     // will notify the view about changed items
 702     m_assureVisibleCurrentIndex = true;
 703 }
 704
 705 void DolphinView::trashSelectedItems()
 706 {
 707     const KUrl::List list = simplifiedSelectedUrls();
 708     KonqOperations::del(this, KonqOperations::TRASH, list);
 709 }
 710
 711 void DolphinView::deleteSelectedItems()
 712 {
 713     const KUrl::List list = simplifiedSelectedUrls();
 714     const bool del = KonqOperations::askDeleteConfirmation(list,
 715                      KonqOperations::DEL,
 716                      KonqOperations::DEFAULT_CONFIRMATION,
 717                      this);
 718
 719     if (del) {
 720         KIO::Job* job = KIO::del(list);
 721         connect(job, SIGNAL(result(KJob*)),
 722                 this, SLOT(slotDeleteFileFinished(KJob*)));
 723     }
 724 }
 725
 726 void DolphinView::cutSelectedItems()
 727 {
 728     QMimeData* mimeData = selectionMimeData();
 729     KonqMimeData::addIsCutSelection(mimeData, true);
 730     QApplication::clipboard()->setMimeData(mimeData);
 731 }
 732
 733 void DolphinView::copySelectedItems()
 734 {
 735     QMimeData* mimeData = selectionMimeData();
 736     QApplication::clipboard()->setMimeData(mimeData);
 737 }
 738
 739 void DolphinView::paste()
 740 {
 741     pasteToUrl(url());
 742 }
 743
 744 void DolphinView::pasteIntoFolder()
 745 {
 746     const KFileItemList items = selectedItems();
 747     if ((items.count() == 1) && items.first().isDir()) {
 748         pasteToUrl(items.first().url());
 749     }
 750 }
 751
 752 void DolphinView::setShowPreview(bool show)
 753 {
 754     if (m_showPreview == show) {
 755         return;
 756     }
 757
 758     const KUrl viewPropsUrl = rootUrl();
 759     ViewProperties props(viewPropsUrl);
 760     props.setShowPreview(show);
 761
 762     m_showPreview = show;
 763     const int oldZoomLevel = m_controller->zoomLevel();
 764     emit showPreviewChanged();
 765
 766     // Enabling or disabling the preview might change the icon size of the view.
 767     // As the view does not emit a signal when the icon size has been changed,
 768     // the used zoom level of the controller must be adjusted manually:
 769     updateZoomLevel(oldZoomLevel);
 770 }
 771
 772 void DolphinView::setShowHiddenFiles(bool show)
 773 {
 774     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 775         return;
 776     }
 777
 778     const KUrl viewPropsUrl = rootUrl();
 779     ViewProperties props(viewPropsUrl);
 780     props.setShowHiddenFiles(show);
 781
 782     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 783     emit showHiddenFilesChanged();
 784 }
 785
 786 void DolphinView::setCategorizedSorting(bool categorized)
 787 {
 788     if (categorized == categorizedSorting()) {
 789         return;
 790     }
 791
 792     // setCategorizedSorting(true) may only get invoked
 793     // if the view supports categorized sorting
 794     Q_ASSERT(!categorized || supportsCategorizedSorting());
 795
 796     ViewProperties props(rootUrl());
 797     props.setCategorizedSorting(categorized);
 798     props.save();
 799
 800     m_storedCategorizedSorting = categorized;
 801     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 802
 803     emit categorizedSortingChanged();
 804 }
 805
 806 void DolphinView::toggleSortOrder()
 807 {
 808     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 809                                 Qt::DescendingOrder :
 810                                 Qt::AscendingOrder;
 811     setSortOrder(order);
 812 }
 813
 814 void DolphinView::toggleSortFoldersFirst()
 815 {
 816     setSortFoldersFirst(!sortFoldersFirst());
 817 }
 818
 819 void DolphinView::toggleAdditionalInfo(QAction* action)
 820 {
 821     const KFileItemDelegate::Information info =
 822         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 823
 824     KFileItemDelegate::InformationList list = additionalInfo();
 825
 826     const bool show = action->isChecked();
 827
 828     const int index = list.indexOf(info);
 829     const bool containsInfo = (index >= 0);
 830     if (show && !containsInfo) {
 831         list.append(info);
 832         setAdditionalInfo(list);
 833     } else if (!show && containsInfo) {
 834         list.removeAt(index);
 835         setAdditionalInfo(list);
 836         Q_ASSERT(list.indexOf(info) < 0);
 837     }
 838 }
 839
 840 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 841 {
 842     QWidget::mouseReleaseEvent(event);
 843     setActive(true);
 844 }
 845
 846 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 847 {
 848     switch (event->type()) {
 849     case QEvent::FocusIn:
 850         if (watched == m_viewAccessor.itemView()) {
 851             m_controller->requestActivation();
 852         }
 853         break;
 854
 855     case QEvent::DragEnter:
 856         if (watched == m_viewAccessor.itemView()->viewport()) {
 857             setActive(true);
 858         }
 859         break;
 860
 861     case QEvent::KeyPress:
 862         if (watched == m_viewAccessor.itemView()) {
 863             // clear the selection when Escape has been pressed
 864             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 865             if (keyEvent->key() == Qt::Key_Escape) {
 866                 clearSelection();
 867             }
 868         }
 869         break;
 870
 871     case QEvent::Wheel:
 872         if (watched == m_viewAccessor.itemView()->viewport()) {
 873             // Ctrl+wheel events should cause icon zooming, but not if the left mouse button is pressed
 874             // (the user is probably trying to scroll during a selection in that case)
 875             QWheelEvent* wheelEvent = static_cast<QWheelEvent*>(event);
 876             if (wheelEvent->modifiers() & Qt::ControlModifier && !(wheelEvent->buttons() & Qt::LeftButton)) {
 877                 const int delta = wheelEvent->delta();
 878                 const int level = zoomLevel();
 879                 if (delta > 0) {
 880                     setZoomLevel(level + 1);
 881                 } else if (delta < 0) {
 882                     setZoomLevel(level - 1);
 883                 }
 884                 return true;
 885             }
 886         }
 887         break;
 888
 889     default:
 890         break;
 891     }
 892
 893     return QWidget::eventFilter(watched, event);
 894 }
 895
 896 void DolphinView::activate()
 897 {
 898     setActive(true);
 899 }
 900
 901 void DolphinView::triggerItem(const KFileItem& item)
 902 {
 903     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 904     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 905         // items are selected by the user, hence don't trigger the
 906         // item specified by 'index'
 907         return;
 908     }
 909
 910     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 911     if (item.isNull() || m_isContextMenuOpen) {
 912         return;
 913     }
 914
 915     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 916 }
 917
 918 void DolphinView::emitDelayedSelectionChangedSignal()
 919 {
 920     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 921     // that fast selection changes don't result in expensive operations to
 922     // collect all file items for the signal (see DolphinView::selectedItems()).
 923     m_selectionChangedTimer->start();
 924 }
 925
 926 void DolphinView::emitSelectionChangedSignal()
 927 {
 928     emit selectionChanged(DolphinView::selectedItems());
 929 }
 930
 931 void DolphinView::openContextMenu(const QPoint& pos,
 932                                   const QList<QAction*>& customActions)
 933 {
 934     KFileItem item;
 935     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 936     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 937         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 938         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 939     }
 940
 941     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 942     emit requestContextMenu(item, url(), customActions);
 943     m_isContextMenuOpen = false;
 944 }
 945
 946 void DolphinView::dropUrls(const KFileItem& destItem,
 947                            const KUrl& destPath,
 948                            QDropEvent* event)
 949 {
 950     addNewFileNames(event->mimeData());
 951     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 952 }
 953
 954 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 955 {
 956     ViewProperties props(rootUrl());
 957     props.setSorting(sorting);
 958
 959     m_viewAccessor.proxyModel()->setSorting(sorting);
 960
 961     emit sortingChanged(sorting);
 962 }
 963
 964 void DolphinView::updateSortOrder(Qt::SortOrder order)
 965 {
 966     ViewProperties props(rootUrl());
 967     props.setSortOrder(order);
 968
 969     m_viewAccessor.proxyModel()->setSortOrder(order);
 970
 971     emit sortOrderChanged(order);
 972 }
 973
 974 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 975 {
 976     ViewProperties props(rootUrl());
 977     props.setSortFoldersFirst(foldersFirst);
 978
 979     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 980
 981     emit sortFoldersFirstChanged(foldersFirst);
 982 }
 983
 984 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 985 {
 986     ViewProperties props(rootUrl());
 987     props.setAdditionalInfo(info);
 988     props.save();
 989
 990     m_viewAccessor.itemDelegate()->setShowInformation(info);
 991
 992     emit additionalInfoChanged();
 993 }
 994
 995 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 996 {
 997     const bool enable = (m_mode == DolphinView::DetailsView) ||
 998                         (m_mode == DolphinView::IconsView);
 999
1000     QAction* showSizeInfo = collection->action("show_size_info");
1001     QAction* showDateInfo = collection->action("show_date_info");
1002     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1003     QAction* showOwnerInfo = collection->action("show_owner_info");
1004     QAction* showGroupInfo = collection->action("show_group_info");
1005     QAction* showMimeInfo = collection->action("show_mime_info");
1006
1007     showSizeInfo->setChecked(false);
1008     showDateInfo->setChecked(false);
1009     showPermissionsInfo->setChecked(false);
1010     showOwnerInfo->setChecked(false);
1011     showGroupInfo->setChecked(false);
1012     showMimeInfo->setChecked(false);
1013
1014     showSizeInfo->setEnabled(enable);
1015     showDateInfo->setEnabled(enable);
1016     showPermissionsInfo->setEnabled(enable);
1017     showOwnerInfo->setEnabled(enable);
1018     showGroupInfo->setEnabled(enable);
1019     showMimeInfo->setEnabled(enable);
1020
1021     foreach (KFileItemDelegate::Information info, m_viewAccessor.itemDelegate()->showInformation()) {
1022         switch (info) {
1023         case KFileItemDelegate::Size:
1024             showSizeInfo->setChecked(true);
1025             break;
1026         case KFileItemDelegate::ModificationTime:
1027             showDateInfo->setChecked(true);
1028             break;
1029         case KFileItemDelegate::Permissions:
1030             showPermissionsInfo->setChecked(true);
1031             break;
1032         case KFileItemDelegate::Owner:
1033             showOwnerInfo->setChecked(true);
1034             break;
1035         case KFileItemDelegate::OwnerAndGroup:
1036             showGroupInfo->setChecked(true);
1037             break;
1038         case KFileItemDelegate::FriendlyMimeType:
1039             showMimeInfo->setChecked(true);
1040             break;
1041         default:
1042             break;
1043         }
1044     }
1045 }
1046
1047 QPair<bool, QString> DolphinView::pasteInfo() const
1048 {
1049     return KonqOperations::pasteInfo(url());
1050 }
1051
1052 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1053 {
1054     m_tabsForFiles = tabsForFiles;
1055 }
1056
1057 bool DolphinView::isTabsForFilesEnabled() const
1058 {
1059     return m_tabsForFiles;
1060 }
1061
1062 void DolphinView::activateItem(const KUrl& url)
1063 {
1064     // TODO: If DolphinViewContainer uses DolphinView::restoreState(...) to restore the
1065     // view state in KDE 4.5, this function can be removed.
1066     m_activeItemUrl = url;
1067 }
1068
1069 bool DolphinView::itemsExpandable() const
1070 {
1071     return m_viewAccessor.itemsExpandable();
1072 }
1073
1074 void DolphinView::restoreState(QDataStream &stream)
1075 {
1076      // current item
1077     stream >> m_activeItemUrl;
1078
1079     // view position
1080     stream >> m_restoredContentsPosition;
1081
1082     // expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1083     QSet<KUrl> urlsToExpand;
1084     stream >> urlsToExpand;
1085     const DolphinDetailsViewExpander* expander = m_viewAccessor.setExpandedUrls(urlsToExpand);
1086
1087     if (expander) {
1088         m_expanderActive = true;
1089         connect (expander, SIGNAL(completed()), this, SLOT(slotLoadingCompleted()));
1090     }
1091     else {
1092         m_expanderActive = false;
1093     }
1094 }
1095
1096 void DolphinView::saveState(QDataStream &stream)
1097 {
1098     // current item
1099     KFileItem currentItem;
1100     const QAbstractItemView* view = m_viewAccessor.itemView();
1101
1102     if(view) {
1103         const QModelIndex proxyIndex = view->currentIndex();
1104         const QModelIndex dirModelIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1105         currentItem = m_viewAccessor.dirModel()->itemForIndex(dirModelIndex);
1106     }
1107
1108     KUrl currentUrl;
1109     if (!currentItem.isNull())
1110         currentUrl = currentItem.url();
1111
1112     stream << currentUrl;
1113
1114     // view position
1115     stream << contentsPosition();
1116
1117     // expanded folders (only relevant for the details view - the set will be empty in other view modes)
1118     stream << m_viewAccessor.expandedUrls();
1119 }
1120
1121 void DolphinView::observeCreatedItem(const KUrl& url)
1122 {
1123     m_createdItemUrl = url;
1124     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1125             this, SLOT(selectAndScrollToCreatedItem()));
1126 }
1127
1128 void DolphinView::selectAndScrollToCreatedItem()
1129 {
1130     const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1131     if (dirIndex.isValid()) {
1132         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1133         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1134     }
1135
1136     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1137                this, SLOT(selectAndScrollToCreatedItem()));
1138     m_createdItemUrl = KUrl();
1139 }
1140
1141 void DolphinView::restoreSelection()
1142 {
1143     disconnect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1144     changeSelection(m_selectedItems);
1145 }
1146
1147 void DolphinView::emitContentsMoved()
1148 {
1149     // TODO: If DolphinViewContainer uses DolphinView::saveState(...) to save the
1150     // view state in KDE 4.5, the contentsMoved signal might not be needed anymore,
1151     // depending on how the implementation is done.
1152     // In that case, the code in contentsPosition() can be moved to saveState().
1153
1154     // only emit the contents moved signal if no directory loading is ongoing
1155     // (this would reset the contents position always to (0, 0))
1156     if (!m_loadingDirectory) {
1157         const QPoint pos(contentsPosition());
1158         emit contentsMoved(pos.x(), pos.y());
1159     }
1160 }
1161
1162 void DolphinView::showHoverInformation(const KFileItem& item)
1163 {
1164     emit requestItemInfo(item);
1165 }
1166
1167 void DolphinView::clearHoverInformation()
1168 {
1169     emit requestItemInfo(KFileItem());
1170 }
1171
1172 void DolphinView::slotDeleteFileFinished(KJob* job)
1173 {
1174     if (job->error() == 0) {
1175         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1176     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1177         emit errorMessage(job->errorString());
1178     }
1179 }
1180
1181 void DolphinView::slotRequestUrlChange(const KUrl& url)
1182 {
1183     emit requestUrlChange(url);
1184     m_controller->setUrl(url);
1185 }
1186
1187 void DolphinView::slotDirListerCompleted()
1188 {
1189     if (!m_expanderActive) {
1190         slotLoadingCompleted();
1191     }
1192
1193     if (!m_newFileNames.isEmpty()) {
1194         // select all newly added items created by a paste operation or
1195         // a drag & drop operation
1196         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1197         QItemSelection selection;
1198         for (int row = 0; row < rowCount; ++row) {
1199             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1200             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1201             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1202             if (m_newFileNames.contains(url.fileName())) {
1203                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1204             }
1205         }
1206         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1207
1208         m_newFileNames.clear();
1209     }
1210 }
1211
1212 void DolphinView::slotLoadingCompleted()
1213 {
1214     m_expanderActive = false;
1215     m_loadingDirectory = false;
1216
1217     if (!m_activeItemUrl.isEmpty()) {
1218         // assure that the current item remains visible
1219         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1220         if (dirIndex.isValid()) {
1221             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1222             QAbstractItemView* view = m_viewAccessor.itemView();
1223             const bool clearSelection = !hasSelection();
1224             view->setCurrentIndex(proxyIndex);
1225             if (clearSelection) {
1226                 view->clearSelection();
1227             }
1228             m_activeItemUrl.clear();
1229         }
1230     }
1231
1232     // Restore the contents position. This has to be done using a Qt::QueuedConnection
1233     // because the view might not be in its final state yet.
1234     QMetaObject::invokeMethod(this, "restoreContentsPosition", Qt::QueuedConnection);
1235 }
1236
1237 void DolphinView::slotRefreshItems()
1238 {
1239     if (m_assureVisibleCurrentIndex) {
1240         m_assureVisibleCurrentIndex = false;
1241         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1242     }
1243 }
1244
1245 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1246 {
1247     if (!url.isValid()) {
1248         const QString location(url.pathOrUrl());
1249         if (location.isEmpty()) {
1250             emit errorMessage(i18nc("@info:status", "The location is empty."));
1251         } else {
1252             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1253         }
1254         return;
1255     }
1256
1257     m_loadingDirectory = true;
1258     m_expanderActive = false;
1259
1260     if (reload) {
1261         m_selectedItems = selectedItems();
1262         connect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1263     }
1264
1265     m_viewAccessor.dirLister()->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1266 }
1267
1268 void DolphinView::applyViewProperties()
1269 {
1270     if (m_ignoreViewProperties) {
1271         return;
1272     }
1273
1274     const ViewProperties props(rootUrl());
1275
1276     const Mode mode = props.viewMode();
1277     if (m_mode != mode) {
1278         const int oldZoomLevel = m_controller->zoomLevel();
1279
1280         m_mode = mode;
1281         createView();
1282         emit modeChanged();
1283
1284         updateZoomLevel(oldZoomLevel);
1285     }
1286     if (m_viewAccessor.itemView() == 0) {
1287         createView();
1288     }
1289     Q_ASSERT(m_viewAccessor.itemView() != 0);
1290     Q_ASSERT(m_viewAccessor.itemDelegate() != 0);
1291
1292     const bool showHiddenFiles = props.showHiddenFiles();
1293     if (showHiddenFiles != m_viewAccessor.dirLister()->showingDotFiles()) {
1294         m_viewAccessor.dirLister()->setShowingDotFiles(showHiddenFiles);
1295         emit showHiddenFilesChanged();
1296     }
1297
1298     m_storedCategorizedSorting = props.categorizedSorting();
1299     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1300     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1301         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1302         emit categorizedSortingChanged();
1303     }
1304
1305     const DolphinView::Sorting sorting = props.sorting();
1306     if (sorting != m_viewAccessor.proxyModel()->sorting()) {
1307         m_viewAccessor.proxyModel()->setSorting(sorting);
1308         emit sortingChanged(sorting);
1309     }
1310
1311     const Qt::SortOrder sortOrder = props.sortOrder();
1312     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1313         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1314         emit sortOrderChanged(sortOrder);
1315     }
1316
1317     const bool sortFoldersFirst = props.sortFoldersFirst();
1318     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1319         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1320         emit sortFoldersFirstChanged(sortFoldersFirst);
1321     }
1322
1323     KFileItemDelegate::InformationList info = props.additionalInfo();
1324     if (info != m_viewAccessor.itemDelegate()->showInformation()) {
1325         m_viewAccessor.itemDelegate()->setShowInformation(info);
1326         emit additionalInfoChanged();
1327     }
1328
1329     const bool showPreview = props.showPreview();
1330     if (showPreview != m_showPreview) {
1331         m_showPreview = showPreview;
1332         const int oldZoomLevel = m_controller->zoomLevel();
1333         emit showPreviewChanged();
1334
1335         // Enabling or disabling the preview might change the icon size of the view.
1336         // As the view does not emit a signal when the icon size has been changed,
1337         // the used zoom level of the controller must be adjusted manually:
1338         updateZoomLevel(oldZoomLevel);
1339     }
1340
1341     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1342         // During the lifetime of a DolphinView instance the global view properties
1343         // should not be changed. This allows e. g. to split a view and use different
1344         // view properties for each view.
1345         m_ignoreViewProperties = true;
1346     }
1347 }
1348
1349 void DolphinView::createView()
1350 {
1351     deleteView();
1352
1353     Q_ASSERT(m_viewAccessor.itemView() == 0);
1354     m_viewAccessor.createView(this, m_controller, m_mode);
1355
1356     QAbstractItemView* view = m_viewAccessor.itemView();
1357     Q_ASSERT(view != 0);
1358     view->installEventFilter(this);
1359     view->viewport()->installEventFilter(this);
1360
1361     m_controller->setItemView(view);
1362     connect(m_controller, SIGNAL(selectionChanged()),
1363             this, SLOT(emitDelayedSelectionChangedSignal()));
1364
1365     // When changing the view mode, the selection is lost due to reinstantiating
1366     // a new item view with a custom selection model. Pass the ownership of the
1367     // selection model to DolphinView, so that it can be shared by all item views.
1368     if (m_selectionModel != 0) {
1369         view->setSelectionModel(m_selectionModel);
1370     } else {
1371         m_selectionModel = view->selectionModel();
1372     }
1373     m_selectionModel->setParent(this);
1374
1375     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1376             this, SLOT(emitContentsMoved()));
1377     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1378             this, SLOT(emitContentsMoved()));
1379
1380     setFocusProxy(m_viewAccessor.layoutTarget());
1381     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
1382 }
1383
1384 void DolphinView::deleteView()
1385 {
1386     QAbstractItemView* view = m_viewAccessor.itemView();
1387     if (view != 0) {
1388         // It's important to set the keyboard focus to the parent
1389         // before deleting the view: Otherwise when having a split
1390         // view the other view will get the focus and will request
1391         // an activation (see DolphinView::eventFilter()).
1392         setFocusProxy(0);
1393         setFocus();
1394
1395         m_topLayout->removeWidget(view);
1396         view->close();
1397
1398         // disconnect all signal/slots
1399         disconnect(view);
1400         m_controller->disconnect(view);
1401         view->disconnect();
1402         disconnect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1403                    this, SLOT(emitContentsMoved()));
1404         disconnect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1405                    this, SLOT(emitContentsMoved()));
1406
1407         m_viewAccessor.deleteView();
1408     }
1409 }
1410
1411 void DolphinView::pasteToUrl(const KUrl& url)
1412 {
1413     addNewFileNames(QApplication::clipboard()->mimeData());
1414     KonqOperations::doPaste(this, url);
1415 }
1416
1417 void DolphinView::updateZoomLevel(int oldZoomLevel)
1418 {
1419     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1420     if (oldZoomLevel != newZoomLevel) {
1421         m_controller->setZoomLevel(newZoomLevel);
1422         emit zoomLevelChanged(newZoomLevel);
1423     }
1424 }
1425
1426 KUrl::List DolphinView::simplifiedSelectedUrls() const
1427 {
1428     KUrl::List list = selectedUrls();
1429     if (itemsExpandable() ) {
1430         list = KDirModel::simplifiedUrlList(list);
1431     }
1432     return list;
1433 }
1434
1435 QMimeData* DolphinView::selectionMimeData() const
1436 {
1437     const QAbstractItemView* view = m_viewAccessor.itemView();
1438     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1439     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
1440     return m_viewAccessor.dirModel()->mimeData(selection.indexes());
1441 }
1442
1443 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1444 {
1445     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1446     foreach (const KUrl& url, urls) {
1447         m_newFileNames.insert(url.fileName());
1448     }
1449 }
1450
1451 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
1452     m_iconsView(0),
1453     m_detailsView(0),
1454     m_columnsContainer(0),
1455     m_proxyModel(proxyModel),
1456     m_dragSource(0)
1457 {
1458 }
1459
1460 DolphinView::ViewAccessor::~ViewAccessor()
1461 {
1462     delete m_dragSource;
1463     m_dragSource = 0;
1464 }
1465
1466 void DolphinView::ViewAccessor::createView(QWidget* parent,
1467                                            DolphinController* controller,
1468                                            Mode mode)
1469 {
1470     Q_ASSERT(itemView() == 0);
1471
1472     switch (mode) {
1473     case IconsView:
1474         m_iconsView = new DolphinIconsView(parent, controller, m_proxyModel);
1475         break;
1476
1477     case DetailsView:
1478         m_detailsView = new DolphinDetailsView(parent, controller, m_proxyModel);
1479         break;
1480
1481     case ColumnView:
1482         m_columnsContainer = new DolphinColumnViewContainer(parent, controller);
1483         break;
1484
1485     default:
1486         Q_ASSERT(false);
1487     }
1488 }
1489
1490 void DolphinView::ViewAccessor::deleteView()
1491 {
1492     QAbstractItemView* view = itemView();
1493     if (view != 0) {
1494         if (DragAndDropHelper::instance().isDragSource(view)) {
1495             // The view is a drag source (the feature "Open folders
1496             // during drag operations" is used). Deleting the view
1497             // during an ongoing drag operation is not allowed, so
1498             // this will postponed.
1499             if (m_dragSource != 0) {
1500                 // the old stored view is obviously not the drag source anymore
1501                 m_dragSource->deleteLater();
1502                 m_dragSource = 0;
1503             }
1504             view->hide();
1505             m_dragSource = view;
1506         } else {
1507             view->deleteLater();
1508         }
1509     }
1510
1511     m_iconsView = 0;
1512     m_detailsView = 0;
1513
1514     if (m_columnsContainer != 0) {
1515         m_columnsContainer->deleteLater();
1516     }
1517     m_columnsContainer = 0;
1518 }
1519
1520
1521 void DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1522 {
1523     if (m_columnsContainer != 0) {
1524         m_columnsContainer->showColumn(url);
1525     }
1526
1527     if(!m_detailsViewExpander.isNull()) {
1528         // Stop expanding items in the current folder
1529         m_detailsViewExpander->stop();
1530     }
1531 }
1532
1533 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1534 {
1535     if (m_iconsView != 0) {
1536         return m_iconsView;
1537     }
1538
1539     if (m_detailsView != 0) {
1540         return m_detailsView;
1541     }
1542
1543     if (m_columnsContainer != 0) {
1544         return m_columnsContainer->activeColumn();
1545     }
1546
1547     return 0;
1548 }
1549
1550 KFileItemDelegate* DolphinView::ViewAccessor::itemDelegate() const
1551 {
1552     return static_cast<KFileItemDelegate*>(itemView()->itemDelegate());
1553 }
1554
1555 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1556 {
1557     if (m_columnsContainer != 0) {
1558         return m_columnsContainer;
1559     }
1560     return itemView();
1561 }
1562
1563 KUrl DolphinView::ViewAccessor::rootUrl() const
1564 {
1565     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1566 }
1567
1568 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1569 {
1570     return m_iconsView != 0;
1571 }
1572
1573 bool DolphinView::ViewAccessor::itemsExpandable() const
1574 {
1575     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1576 }
1577
1578
1579 QSet<KUrl> DolphinView::ViewAccessor::expandedUrls() const
1580 {
1581     if(m_detailsView != 0) {
1582         return m_detailsView->expandedUrls();
1583     }
1584     else {
1585         return QSet<KUrl>();
1586     }
1587 }
1588
1589 const DolphinDetailsViewExpander* DolphinView::ViewAccessor::setExpandedUrls(const QSet<KUrl>& urlsToExpand)
1590 {
1591     if((m_detailsView != 0) && m_detailsView->itemsExpandable() && !urlsToExpand.isEmpty()) {
1592         m_detailsViewExpander = new DolphinDetailsViewExpander(m_detailsView, urlsToExpand);
1593         return m_detailsViewExpander;
1594     }
1595     else {
1596         return 0;
1597     }
1598 }
1599
1600 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1601 {
1602     // the details view requires no reloading of the directory, as it maps
1603     // the file item delegate info to its columns internally
1604     return m_detailsView != 0;
1605 }
1606
1607 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1608 {
1609     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1610 }
1611
1612 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1613 {
1614     if (m_columnsContainer != 0) {
1615         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1616     }
1617     return m_proxyModel;
1618 }
1619
1620 KDirLister* DolphinView::ViewAccessor::dirLister() const
1621 {
1622     return dirModel()->dirLister();
1623 }
1624
1625 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1626 {
1627     emit redirection(oldUrl, newUrl);
1628     m_controller->redirectToUrl(newUrl); // #186947
1629 }
1630
1631 void DolphinView::restoreContentsPosition()
1632 {
1633     if (!m_restoredContentsPosition.isNull()) {
1634         setContentsPosition(m_restoredContentsPosition.x(), m_restoredContentsPosition.y());
1635         m_restoredContentsPosition = QPoint();
1636     }
1637 }
1638
1639 #include "dolphinview.moc"