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