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