src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz@gmx.at>             *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QClipboard>
  26 #include <QKeyEvent>
  27 #include <QItemSelection>
  28 #include <QBoxLayout>
  29 #include <QTimer>
  30 #include <QScrollBar>
  31
  32 #include <kactioncollection.h>
  33 #include <kcolorscheme.h>
  34 #include <kdirlister.h>
  35 #include <kiconeffect.h>
  36 #include <kfileitem.h>
  37 #include <klocale.h>
  38 #include <kio/deletejob.h>
  39 #include <kio/netaccess.h>
  40 #include <kio/previewjob.h>
  41 #include <kjob.h>
  42 #include <kmenu.h>
  43 #include <kmessagebox.h>
  44 #include <kmimetyperesolver.h>
  45 #include <konq_fileitemcapabilities.h>
  46 #include <konq_operations.h>
  47 #include <konqmimedata.h>
  48 #include <ktoggleaction.h>
  49 #include <kurl.h>
  50
  51 #include "additionalinfoaccessor.h"
  52 #include "dolphinmodel.h"
  53 #include "dolphincolumnviewcontainer.h"
  54 #include "dolphinviewcontroller.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphinfileitemdelegate.h"
  57 #include "dolphinnewfilemenuobserver.h"
  58 #include "dolphinsortfilterproxymodel.h"
  59 #include "dolphin_detailsmodesettings.h"
  60 #include "dolphiniconsview.h"
  61 #include "dolphin_generalsettings.h"
  62 #include "draganddrophelper.h"
  63 #include "renamedialog.h"
  64 #include "settings/dolphinsettings.h"
  65 #include "viewmodecontroller.h"
  66 #include "viewproperties.h"
  67 #include "zoomlevelinfo.h"
  68 #include "dolphindetailsviewexpander.h"
  69
  70 DolphinView::DolphinView(QWidget* parent,
  71                          const KUrl& url,
  72                          DolphinSortFilterProxyModel* proxyModel) :
  73     QWidget(parent),
  74     m_active(true),
  75     m_showPreview(false),
  76     m_storedCategorizedSorting(false),
  77     m_tabsForFiles(false),
  78     m_isContextMenuOpen(false),
  79     m_assureVisibleCurrentIndex(false),
  80     m_mode(DolphinView::IconsView),
  81     m_topLayout(0),
  82     m_dolphinViewController(0),
  83     m_viewModeController(0),
  84     m_viewAccessor(proxyModel),
  85     m_selectionChangedTimer(0),
  86     m_rootUrl(),
  87     m_activeItemUrl(),
  88     m_restoredContentsPosition(),
  89     m_createdItemUrl(),
  90     m_selectedItems(),
  91     m_newFileNames()
  92 {
  93     m_topLayout = new QVBoxLayout(this);
  94     m_topLayout->setSpacing(0);
  95     m_topLayout->setMargin(0);
  96
  97     m_dolphinViewController = new DolphinViewController(this);
  98
  99     m_viewModeController = new ViewModeController(this);
 100     m_viewModeController->setUrl(url);
 101
 102     connect(m_viewModeController, SIGNAL(urlChanged(const KUrl&)),
 103             this, SIGNAL(urlChanged(const KUrl&)));
 104
 105     connect(m_dolphinViewController, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 106             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 107     connect(m_dolphinViewController, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 108             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 109     connect(m_dolphinViewController, SIGNAL(sortingChanged(DolphinView::Sorting)),
 110             this, SLOT(updateSorting(DolphinView::Sorting)));
 111     connect(m_dolphinViewController, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 112             this, SLOT(updateSortOrder(Qt::SortOrder)));
 113     connect(m_dolphinViewController, SIGNAL(sortFoldersFirstChanged(bool)),
 114             this, SLOT(updateSortFoldersFirst(bool)));
 115     connect(m_dolphinViewController, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 116             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 117     connect(m_dolphinViewController, SIGNAL(itemTriggered(const KFileItem&)),
 118             this, SLOT(triggerItem(const KFileItem&)));
 119     connect(m_dolphinViewController, SIGNAL(tabRequested(const KUrl&)),
 120             this, SIGNAL(tabRequested(const KUrl&)));
 121     connect(m_dolphinViewController, SIGNAL(activated()),
 122             this, SLOT(activate()));
 123     connect(m_dolphinViewController, SIGNAL(itemEntered(const KFileItem&)),
 124             this, SLOT(showHoverInformation(const KFileItem&)));
 125     connect(m_dolphinViewController, SIGNAL(viewportEntered()),
 126             this, SLOT(clearHoverInformation()));
 127     connect(m_dolphinViewController, SIGNAL(urlChangeRequested(KUrl)),
 128             m_viewModeController, SLOT(setUrl(KUrl)));
 129
 130     KDirLister* dirLister = m_viewAccessor.dirLister();
 131     connect(dirLister, SIGNAL(redirection(KUrl,KUrl)),
 132             this, SLOT(slotRedirection(KUrl,KUrl)));
 133     connect(dirLister, SIGNAL(completed()),
 134             this, SLOT(slotDirListerCompleted()));
 135     connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 136             this, SLOT(slotRefreshItems()));
 137
 138     // When a new item has been created by the "Create New..." menu, the item should
 139     // get selected and it must be assured that the item will get visible. As the
 140     // creation is done asynchronously, several signals must be checked:
 141     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 142             this, SLOT(observeCreatedItem(const KUrl&)));
 143
 144     m_selectionChangedTimer = new QTimer(this);
 145     m_selectionChangedTimer->setSingleShot(true);
 146     m_selectionChangedTimer->setInterval(300);
 147     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 148             this, SLOT(emitSelectionChangedSignal()));
 149
 150     applyViewProperties();
 151     m_topLayout->addWidget(m_viewAccessor.layoutTarget());
 152 }
 153
 154 DolphinView::~DolphinView()
 155 {
 156 }
 157
 158 KUrl DolphinView::url() const
 159 {
 160     return m_viewModeController->url();
 161 }
 162
 163 KUrl DolphinView::rootUrl() const
 164 {
 165     const KUrl viewUrl = url();
 166     const KUrl root = m_viewAccessor.rootUrl();
 167     if (root.isEmpty() || !root.isParentOf(viewUrl)) {
 168         return viewUrl;
 169     }
 170     return root;
 171 }
 172
 173 void DolphinView::setActive(bool active)
 174 {
 175     if (active == m_active) {
 176         return;
 177     }
 178
 179     m_active = active;
 180
 181     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 182     if (active) {
 183         emitSelectionChangedSignal();
 184     } else {
 185         color.setAlpha(150);
 186     }
 187
 188     QWidget* viewport = m_viewAccessor.itemView()->viewport();
 189     QPalette palette;
 190     palette.setColor(viewport->backgroundRole(), color);
 191     viewport->setPalette(palette);
 192
 193     update();
 194
 195     if (active) {
 196         m_viewAccessor.itemView()->setFocus();
 197         emit activated();
 198     }
 199
 200     m_viewModeController->indicateActivationChange(active);
 201 }
 202
 203 bool DolphinView::isActive() const
 204 {
 205     return m_active;
 206 }
 207
 208 void DolphinView::setMode(Mode mode)
 209 {
 210     if (mode == m_mode) {
 211         return; // the wished mode is already set
 212     }
 213
 214     const int oldZoomLevel = m_viewModeController->zoomLevel();
 215     m_mode = mode;
 216
 217     // remember the currently selected items, so that they will
 218     // be restored after reloading the directory
 219     m_selectedItems = selectedItems();
 220
 221     deleteView();
 222
 223     const KUrl viewPropsUrl = rootUrl();
 224     ViewProperties props(viewPropsUrl);
 225     props.setViewMode(m_mode);
 226     createView();
 227
 228     // the file item delegate has been recreated, apply the current
 229     // additional information manually
 230     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 231     m_viewAccessor.itemDelegate()->setShowInformation(infoList);
 232     emit additionalInfoChanged();
 233
 234     // Not all view modes support categorized sorting. Adjust the sorting model
 235     // if changing the view mode results in a change of the categorized sorting
 236     // capabilities.
 237     m_storedCategorizedSorting = props.categorizedSorting();
 238     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 239     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
 240         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 241         emit categorizedSortingChanged();
 242     }
 243
 244     emit modeChanged();
 245
 246     updateZoomLevel(oldZoomLevel);
 247     loadDirectory(viewPropsUrl);
 248 }
 249
 250 DolphinView::Mode DolphinView::mode() const
 251 {
 252     return m_mode;
 253 }
 254
 255 bool DolphinView::showPreview() const
 256 {
 257     return m_showPreview;
 258 }
 259
 260 bool DolphinView::showHiddenFiles() const
 261 {
 262     return m_viewAccessor.dirLister()->showingDotFiles();
 263 }
 264
 265 bool DolphinView::categorizedSorting() const
 266 {
 267     // If all view modes would support categorized sorting, returning
 268     // m_viewAccessor.proxyModel()->isCategorizedModel() would be the way to go. As
 269     // currently only the icons view supports caterized sorting, we remember
 270     // the stored view properties state in m_storedCategorizedSorting and
 271     // return this state. The application takes care to disable the corresponding
 272     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 273     // that this setting is not applied to the current view mode.
 274     return m_storedCategorizedSorting;
 275 }
 276
 277 bool DolphinView::supportsCategorizedSorting() const
 278 {
 279     return m_viewAccessor.supportsCategorizedSorting();
 280 }
 281
 282 bool DolphinView::hasSelection() const
 283 {
 284     const QAbstractItemView* view = m_viewAccessor.itemView();
 285     return (view != 0) && view->selectionModel()->hasSelection();
 286 }
 287
 288 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 289 {
 290     foreach (const KUrl& url, urls) {
 291         KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 292         m_selectedItems.append(item);
 293     }
 294 }
 295
 296 KFileItemList DolphinView::selectedItems() const
 297 {
 298     KFileItemList itemList;
 299     const QAbstractItemView* view = m_viewAccessor.itemView();
 300     if (view == 0) {
 301         return itemList;
 302     }
 303
 304     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
 305
 306     const QModelIndexList indexList = selection.indexes();
 307     foreach (const QModelIndex &index, indexList) {
 308         KFileItem item = m_viewAccessor.dirModel()->itemForIndex(index);
 309         if (!item.isNull()) {
 310             itemList.append(item);
 311         }
 312     }
 313
 314     return itemList;
 315 }
 316
 317 KUrl::List DolphinView::selectedUrls() const
 318 {
 319     KUrl::List urls;
 320     const KFileItemList list = selectedItems();
 321     foreach (const KFileItem &item, list) {
 322         urls.append(item.url());
 323     }
 324     return urls;
 325 }
 326
 327 int DolphinView::selectedItemsCount() const
 328 {
 329     const QAbstractItemView* view = m_viewAccessor.itemView();
 330     if (view == 0) {
 331         return 0;
 332     }
 333
 334     return view->selectionModel()->selectedIndexes().count();
 335 }
 336
 337 QItemSelectionModel* DolphinView::selectionModel() const
 338 {
 339     return m_viewAccessor.itemView()->selectionModel();
 340 }
 341
 342 void DolphinView::setZoomLevel(int level)
 343 {
 344     if (level < ZoomLevelInfo::minimumLevel()) {
 345         level = ZoomLevelInfo::minimumLevel();
 346     } else if (level > ZoomLevelInfo::maximumLevel()) {
 347         level = ZoomLevelInfo::maximumLevel();
 348     }
 349
 350     if (level != zoomLevel()) {
 351         m_viewModeController->setZoomLevel(level);
 352         emit zoomLevelChanged(level);
 353     }
 354 }
 355
 356 int DolphinView::zoomLevel() const
 357 {
 358     return m_viewModeController->zoomLevel();
 359 }
 360
 361 void DolphinView::setSorting(Sorting sorting)
 362 {
 363     if (sorting != this->sorting()) {
 364         updateSorting(sorting);
 365     }
 366 }
 367
 368 DolphinView::Sorting DolphinView::sorting() const
 369 {
 370     return m_viewAccessor.proxyModel()->sorting();
 371 }
 372
 373 void DolphinView::setSortOrder(Qt::SortOrder order)
 374 {
 375     if (sortOrder() != order) {
 376         updateSortOrder(order);
 377     }
 378 }
 379
 380 Qt::SortOrder DolphinView::sortOrder() const
 381 {
 382     return m_viewAccessor.proxyModel()->sortOrder();
 383 }
 384
 385 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 386 {
 387     if (sortFoldersFirst() != foldersFirst) {
 388         updateSortFoldersFirst(foldersFirst);
 389     }
 390 }
 391
 392 bool DolphinView::sortFoldersFirst() const
 393 {
 394     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 395 }
 396
 397 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 398 {
 399     const KUrl viewPropsUrl = rootUrl();
 400     ViewProperties props(viewPropsUrl);
 401     props.setAdditionalInfo(info);
 402     m_viewAccessor.itemDelegate()->setShowInformation(info);
 403
 404     emit additionalInfoChanged();
 405
 406     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 407         loadDirectory(viewPropsUrl);
 408     }
 409 }
 410
 411 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 412 {
 413     return m_viewAccessor.itemDelegate()->showInformation();
 414 }
 415
 416 void DolphinView::reload()
 417 {
 418     QByteArray viewState;
 419     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 420     saveState(saveStream);
 421     m_selectedItems= selectedItems();
 422
 423     setUrl(url());
 424     loadDirectory(url(), true);
 425
 426     QDataStream restoreStream(viewState);
 427     restoreState(restoreStream);
 428 }
 429
 430 void DolphinView::stopLoading()
 431 {
 432     m_viewAccessor.dirLister()->stop();
 433 }
 434
 435 void DolphinView::refresh()
 436 {
 437     const bool oldActivationState = m_active;
 438     const int oldZoomLevel = m_viewModeController->zoomLevel();
 439     m_active = true;
 440
 441     createView();
 442     applyViewProperties();
 443     reload();
 444
 445     setActive(oldActivationState);
 446     updateZoomLevel(oldZoomLevel);
 447 }
 448
 449 void DolphinView::setNameFilter(const QString& nameFilter)
 450 {
 451     m_viewModeController->setNameFilter(nameFilter);
 452 }
 453
 454 void DolphinView::calculateItemCount(int& fileCount,
 455                                      int& folderCount,
 456                                      KIO::filesize_t& totalFileSize) const
 457 {
 458     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 459         if (item.isDir()) {
 460             ++folderCount;
 461         } else {
 462             ++fileCount;
 463             totalFileSize += item.size();
 464         }
 465     }
 466 }
 467
 468 QString DolphinView::statusBarText() const
 469 {
 470     QString text;
 471     int folderCount = 0;
 472     int fileCount = 0;
 473     KIO::filesize_t totalFileSize = 0;
 474
 475     if (hasSelection()) {
 476         // give a summary of the status of the selected files
 477         const KFileItemList list = selectedItems();
 478         if (list.isEmpty()) {
 479             // when an item is triggered, it is temporary selected but selectedItems()
 480             // will return an empty list
 481             return text;
 482         }
 483
 484         KFileItemList::const_iterator it = list.begin();
 485         const KFileItemList::const_iterator end = list.end();
 486         while (it != end) {
 487             const KFileItem& item = *it;
 488             if (item.isDir()) {
 489                 ++folderCount;
 490             } else {
 491                 ++fileCount;
 492                 totalFileSize += item.size();
 493             }
 494             ++it;
 495         }
 496
 497         if (folderCount + fileCount == 1) {
 498             // if only one item is selected, show the filename
 499             const QString name = list.first().text();
 500             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 501                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 502                                               name, KIO::convertSize(totalFileSize));
 503         } else {
 504             // at least 2 items are selected
 505             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 506             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 507             if ((folderCount > 0) && (fileCount > 0)) {
 508                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 509                              foldersText, filesText, KIO::convertSize(totalFileSize));
 510             } else if (fileCount > 0) {
 511                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 512             } else {
 513                 Q_ASSERT(folderCount > 0);
 514                 text = foldersText;
 515             }
 516         }
 517     } else {
 518         calculateItemCount(fileCount, folderCount, totalFileSize);
 519         text = KIO::itemsSummaryString(fileCount + folderCount,
 520                                        fileCount, folderCount,
 521                                        totalFileSize, true);
 522     }
 523
 524     return text;
 525 }
 526
 527 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 528 {
 529     return m_dolphinViewController->versionControlActions(items);
 530 }
 531
 532 void DolphinView::setUrl(const KUrl& url)
 533 {
 534     if (m_viewModeController->url() == url) {
 535         return;
 536     }
 537
 538     // The selection model might change in the case of the column view. Disconnect
 539     // from the current selection model and reconnect later after the URL switch.
 540     QAbstractItemView* view = m_viewAccessor.itemView();
 541     disconnect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
 542                this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
 543
 544     m_newFileNames.clear();
 545
 546     m_viewModeController->setUrl(url); // emits urlChanged, which we forward
 547     m_viewAccessor.prepareUrlChange(url);
 548     applyViewProperties();
 549     loadDirectory(url);
 550
 551     // When changing the URL there is no need to keep the version
 552     // data of the previous URL.
 553     m_viewAccessor.dirModel()->clearVersionData();
 554
 555     emit startedPathLoading(url);
 556
 557     // Reconnect to the (probably) new selection model
 558     view = m_viewAccessor.itemView();
 559     connect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
 560             this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
 561 }
 562
 563 void DolphinView::selectAll()
 564 {
 565     m_viewAccessor.itemView()->selectAll();
 566 }
 567
 568 void DolphinView::invertSelection()
 569 {
 570     QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
 571     const QAbstractItemModel* itemModel = selectionModel->model();
 572
 573     const QModelIndex topLeft = itemModel->index(0, 0);
 574     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 575                                                      itemModel->columnCount() - 1);
 576
 577     const QItemSelection selection(topLeft, bottomRight);
 578     selectionModel->select(selection, QItemSelectionModel::Toggle);
 579 }
 580
 581 void DolphinView::clearSelection()
 582 {
 583     m_viewAccessor.itemView()->clearSelection();
 584 }
 585
 586 void DolphinView::renameSelectedItems()
 587 {
 588     KFileItemList items = selectedItems();
 589     const int itemCount = items.count();
 590     if (itemCount < 1) {
 591         return;
 592     }
 593 /*
 594     if (itemCount > 1) {
 595         // More than one item has been selected for renaming. Open
 596         // a rename dialog and rename all items afterwards.
 597         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 598         if (dialog->exec() == QDialog::Rejected) {
 599             delete dialog;
 600             return;
 601         }
 602
 603         const QString newName = dialog->newName();
 604         if (newName.isEmpty()) {
 605             emit errorMessage(dialog->errorString());
 606             delete dialog;
 607             return;
 608         }
 609         delete dialog;
 610
 611         // the selection would be invalid after renaming the items, so just clear
 612         // it before
 613         clearSelection();
 614
 615         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 616         // as one operation instead of n rename operations like it is done now...
 617         Q_ASSERT(newName.contains('#'));
 618
 619         // currently the items are sorted by the selection order, resort
 620         // them by the file name
 621         qSort(items.begin(), items.end(), lessThan);
 622
 623         // iterate through all selected items and rename them...
 624         int index = 1;
 625         foreach (const KFileItem& item, items) {
 626             const KUrl& oldUrl = item.url();
 627             QString number;
 628             number.setNum(index++);
 629
 630             QString name = newName;
 631             name.replace('#', number);
 632
 633             if (oldUrl.fileName() != name) {
 634                 KUrl newUrl = oldUrl;
 635                 newUrl.setFileName(name);
 636                 KonqOperations::rename(this, oldUrl, newUrl);
 637             }
 638         }
 639     } else*/
 640
 641     if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 642         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 643         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 644         m_viewAccessor.itemView()->edit(proxyIndex);
 645     } else {
 646         RenameDialog* dialog = new RenameDialog(this, items);
 647         dialog->setAttribute(Qt::WA_DeleteOnClose);
 648         dialog->show();
 649         dialog->raise();
 650         dialog->activateWindow();
 651
 652         // XXX
 653       /*  if (dialog->exec() == QDialog::Rejected) {
 654             delete dialog;
 655             return;
 656         }
 657
 658         const QString newName = dialog->newName();
 659         if (newName.isEmpty()) {
 660             emit errorMessage(dialog->errorString());
 661             delete dialog;
 662             return;
 663         }
 664         delete dialog;
 665
 666         const KUrl& oldUrl = items.first().url();
 667         KUrl newUrl = oldUrl;
 668         newUrl.setFileName(newName);
 669         KonqOperations::rename(this, oldUrl, newUrl);*/
 670     }
 671
 672     // assure that the current index remains visible when KDirLister
 673     // will notify the view about changed items
 674     m_assureVisibleCurrentIndex = true;
 675 }
 676
 677 void DolphinView::trashSelectedItems()
 678 {
 679     const KUrl::List list = simplifiedSelectedUrls();
 680     KonqOperations::del(this, KonqOperations::TRASH, list);
 681 }
 682
 683 void DolphinView::deleteSelectedItems()
 684 {
 685     const KUrl::List list = simplifiedSelectedUrls();
 686     const bool del = KonqOperations::askDeleteConfirmation(list,
 687                      KonqOperations::DEL,
 688                      KonqOperations::DEFAULT_CONFIRMATION,
 689                      this);
 690
 691     if (del) {
 692         KIO::Job* job = KIO::del(list);
 693         connect(job, SIGNAL(result(KJob*)),
 694                 this, SLOT(slotDeleteFileFinished(KJob*)));
 695     }
 696 }
 697
 698 void DolphinView::cutSelectedItems()
 699 {
 700     QMimeData* mimeData = selectionMimeData();
 701     KonqMimeData::addIsCutSelection(mimeData, true);
 702     QApplication::clipboard()->setMimeData(mimeData);
 703 }
 704
 705 void DolphinView::copySelectedItems()
 706 {
 707     QMimeData* mimeData = selectionMimeData();
 708     QApplication::clipboard()->setMimeData(mimeData);
 709 }
 710
 711 void DolphinView::paste()
 712 {
 713     pasteToUrl(url());
 714 }
 715
 716 void DolphinView::pasteIntoFolder()
 717 {
 718     const KFileItemList items = selectedItems();
 719     if ((items.count() == 1) && items.first().isDir()) {
 720         pasteToUrl(items.first().url());
 721     }
 722 }
 723
 724 void DolphinView::setShowPreview(bool show)
 725 {
 726     if (m_showPreview == show) {
 727         return;
 728     }
 729
 730     const KUrl viewPropsUrl = rootUrl();
 731     ViewProperties props(viewPropsUrl);
 732     props.setShowPreview(show);
 733
 734     m_showPreview = show;
 735     const int oldZoomLevel = m_viewModeController->zoomLevel();
 736     emit showPreviewChanged();
 737
 738     // Enabling or disabling the preview might change the icon size of the view.
 739     // As the view does not emit a signal when the icon size has been changed,
 740     // the used zoom level of the controller must be adjusted manually:
 741     updateZoomLevel(oldZoomLevel);
 742 }
 743
 744 void DolphinView::setShowHiddenFiles(bool show)
 745 {
 746     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 747         return;
 748     }
 749
 750     const KUrl viewPropsUrl = rootUrl();
 751     ViewProperties props(viewPropsUrl);
 752     props.setShowHiddenFiles(show);
 753
 754     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 755     emit showHiddenFilesChanged();
 756 }
 757
 758 void DolphinView::setCategorizedSorting(bool categorized)
 759 {
 760     if (categorized == categorizedSorting()) {
 761         return;
 762     }
 763
 764     // setCategorizedSorting(true) may only get invoked
 765     // if the view supports categorized sorting
 766     Q_ASSERT(!categorized || supportsCategorizedSorting());
 767
 768     ViewProperties props(rootUrl());
 769     props.setCategorizedSorting(categorized);
 770     props.save();
 771
 772     m_storedCategorizedSorting = categorized;
 773     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 774
 775     emit categorizedSortingChanged();
 776 }
 777
 778 void DolphinView::toggleSortOrder()
 779 {
 780     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 781                                 Qt::DescendingOrder :
 782                                 Qt::AscendingOrder;
 783     setSortOrder(order);
 784 }
 785
 786 void DolphinView::toggleSortFoldersFirst()
 787 {
 788     setSortFoldersFirst(!sortFoldersFirst());
 789 }
 790
 791 void DolphinView::toggleAdditionalInfo(QAction* action)
 792 {
 793     const KFileItemDelegate::Information info =
 794         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 795
 796     KFileItemDelegate::InformationList list = additionalInfo();
 797
 798     const bool show = action->isChecked();
 799
 800     const int index = list.indexOf(info);
 801     const bool containsInfo = (index >= 0);
 802     if (show && !containsInfo) {
 803         list.append(info);
 804         setAdditionalInfo(list);
 805     } else if (!show && containsInfo) {
 806         list.removeAt(index);
 807         setAdditionalInfo(list);
 808         Q_ASSERT(list.indexOf(info) < 0);
 809     }
 810 }
 811
 812 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 813 {
 814     QWidget::mouseReleaseEvent(event);
 815     setActive(true);
 816 }
 817
 818 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 819 {
 820     switch (event->type()) {
 821     case QEvent::FocusIn:
 822         if (watched == m_viewAccessor.itemView()) {
 823             m_dolphinViewController->requestActivation();
 824         }
 825         break;
 826
 827     case QEvent::DragEnter:
 828         if (watched == m_viewAccessor.itemView()->viewport()) {
 829             setActive(true);
 830         }
 831         break;
 832
 833     case QEvent::KeyPress:
 834         if (watched == m_viewAccessor.itemView()) {
 835             // clear the selection when Escape has been pressed
 836             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 837             if (keyEvent->key() == Qt::Key_Escape) {
 838                 clearSelection();
 839             }
 840         }
 841         break;
 842
 843     case QEvent::Wheel:
 844         if (watched == m_viewAccessor.itemView()->viewport()) {
 845             // Ctrl+wheel events should cause icon zooming, but not if the left mouse button is pressed
 846             // (the user is probably trying to scroll during a selection in that case)
 847             QWheelEvent* wheelEvent = static_cast<QWheelEvent*>(event);
 848             if (wheelEvent->modifiers() & Qt::ControlModifier && !(wheelEvent->buttons() & Qt::LeftButton)) {
 849                 const int delta = wheelEvent->delta();
 850                 const int level = zoomLevel();
 851                 if (delta > 0) {
 852                     setZoomLevel(level + 1);
 853                 } else if (delta < 0) {
 854                     setZoomLevel(level - 1);
 855                 }
 856                 return true;
 857             }
 858         }
 859         break;
 860
 861     default:
 862         break;
 863     }
 864
 865     return QWidget::eventFilter(watched, event);
 866 }
 867
 868 void DolphinView::activate()
 869 {
 870     setActive(true);
 871 }
 872
 873 void DolphinView::triggerItem(const KFileItem& item)
 874 {
 875     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 876     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 877         // items are selected by the user, hence don't trigger the
 878         // item specified by 'index'
 879         return;
 880     }
 881
 882     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 883     if (item.isNull() || m_isContextMenuOpen) {
 884         return;
 885     }
 886
 887     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 888 }
 889
 890 void DolphinView::slotSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected)
 891 {
 892     const int count = selectedItemsCount();
 893     const bool selectionStateChanged = ((count >  0) && (selected.count() == count)) ||
 894                                        ((count == 0) && !deselected.isEmpty());
 895
 896     // If nothing has been selected before and something got selected (or if something
 897     // was selected before and now nothing is selected) the selectionChangedSignal must
 898     // be emitted asynchronously as fast as possible to update the edit-actions.
 899     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 900     m_selectionChangedTimer->start();
 901 }
 902
 903 void DolphinView::emitSelectionChangedSignal()
 904 {
 905     emit selectionChanged(DolphinView::selectedItems());
 906 }
 907
 908 void DolphinView::openContextMenu(const QPoint& pos,
 909                                   const QList<QAction*>& customActions)
 910 {
 911     KFileItem item;
 912     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 913     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 914         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 915         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 916     }
 917
 918     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 919     emit requestContextMenu(item, url(), customActions);
 920     m_isContextMenuOpen = false;
 921 }
 922
 923 void DolphinView::dropUrls(const KFileItem& destItem,
 924                            const KUrl& destPath,
 925                            QDropEvent* event)
 926 {
 927     addNewFileNames(event->mimeData());
 928     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 929 }
 930
 931 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 932 {
 933     ViewProperties props(rootUrl());
 934     props.setSorting(sorting);
 935
 936     m_viewAccessor.proxyModel()->setSorting(sorting);
 937
 938     emit sortingChanged(sorting);
 939 }
 940
 941 void DolphinView::updateSortOrder(Qt::SortOrder order)
 942 {
 943     ViewProperties props(rootUrl());
 944     props.setSortOrder(order);
 945
 946     m_viewAccessor.proxyModel()->setSortOrder(order);
 947
 948     emit sortOrderChanged(order);
 949 }
 950
 951 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 952 {
 953     ViewProperties props(rootUrl());
 954     props.setSortFoldersFirst(foldersFirst);
 955
 956     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 957
 958     emit sortFoldersFirstChanged(foldersFirst);
 959 }
 960
 961 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 962 {
 963     ViewProperties props(rootUrl());
 964     props.setAdditionalInfo(info);
 965     props.save();
 966
 967     m_viewAccessor.itemDelegate()->setShowInformation(info);
 968
 969     emit additionalInfoChanged();
 970 }
 971
 972 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 973 {
 974     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
 975
 976     const KFileItemDelegate::InformationList checkedInfo = m_viewAccessor.itemDelegate()->showInformation();
 977     const KFileItemDelegate::InformationList infoKeys = infoAccessor.keys();
 978
 979     const bool enable = (m_mode == DolphinView::DetailsView) ||
 980                         (m_mode == DolphinView::IconsView);
 981
 982     foreach (const KFileItemDelegate::Information& info, infoKeys) {
 983         const QString name = infoAccessor.actionCollectionName(info, AdditionalInfoAccessor::AdditionalInfoType);
 984         QAction* action = collection->action(name);
 985         Q_ASSERT(action != 0);
 986         action->setEnabled(enable);
 987         action->setChecked(checkedInfo.contains(info));
 988     }
 989 }
 990
 991 QPair<bool, QString> DolphinView::pasteInfo() const
 992 {
 993     return KonqOperations::pasteInfo(url());
 994 }
 995
 996 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 997 {
 998     m_tabsForFiles = tabsForFiles;
 999 }
1000
1001 bool DolphinView::isTabsForFilesEnabled() const
1002 {
1003     return m_tabsForFiles;
1004 }
1005
1006 bool DolphinView::itemsExpandable() const
1007 {
1008     return m_viewAccessor.itemsExpandable();
1009 }
1010
1011 void DolphinView::restoreState(QDataStream& stream)
1012 {
1013     // current item
1014     stream >> m_activeItemUrl;
1015
1016     // view position
1017     stream >> m_restoredContentsPosition;
1018
1019     // expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1020     QSet<KUrl> urlsToExpand;
1021     stream >> urlsToExpand;
1022     const DolphinDetailsViewExpander* expander = m_viewAccessor.setExpandedUrls(urlsToExpand);
1023     if (expander != 0) {
1024         m_expanderActive = true;
1025         connect (expander, SIGNAL(completed()), this, SLOT(slotLoadingCompleted()));
1026     }
1027     else {
1028         m_expanderActive = false;
1029     }
1030 }
1031
1032 void DolphinView::saveState(QDataStream& stream)
1033 {
1034     // current item
1035     KFileItem currentItem;
1036     const QAbstractItemView* view = m_viewAccessor.itemView();
1037
1038     if (view != 0) {
1039         const QModelIndex proxyIndex = view->currentIndex();
1040         const QModelIndex dirModelIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1041         currentItem = m_viewAccessor.dirModel()->itemForIndex(dirModelIndex);
1042     }
1043
1044     KUrl currentUrl;
1045     if (!currentItem.isNull()) {
1046         currentUrl = currentItem.url();
1047     }
1048
1049     stream << currentUrl;
1050
1051     // view position
1052     const int x = view->horizontalScrollBar()->value();
1053     const int y = view->verticalScrollBar()->value();
1054     stream << QPoint(x, y);
1055
1056     // expanded folders (only relevant for the details view - the set will be empty in other view modes)
1057     stream << m_viewAccessor.expandedUrls();
1058 }
1059
1060 void DolphinView::observeCreatedItem(const KUrl& url)
1061 {
1062     m_createdItemUrl = url;
1063     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1064             this, SLOT(selectAndScrollToCreatedItem()));
1065 }
1066
1067 void DolphinView::selectAndScrollToCreatedItem()
1068 {
1069     const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1070     if (dirIndex.isValid()) {
1071         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1072         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1073     }
1074
1075     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1076                this, SLOT(selectAndScrollToCreatedItem()));
1077     m_createdItemUrl = KUrl();
1078 }
1079
1080 void DolphinView::showHoverInformation(const KFileItem& item)
1081 {
1082     emit requestItemInfo(item);
1083 }
1084
1085 void DolphinView::clearHoverInformation()
1086 {
1087     emit requestItemInfo(KFileItem());
1088 }
1089
1090 void DolphinView::slotDeleteFileFinished(KJob* job)
1091 {
1092     if (job->error() == 0) {
1093         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1094     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1095         emit errorMessage(job->errorString());
1096     }
1097 }
1098
1099 void DolphinView::slotDirListerCompleted()
1100 {
1101     if (!m_expanderActive) {
1102         slotLoadingCompleted();
1103     }
1104
1105     if (!m_newFileNames.isEmpty()) {
1106         // select all newly added items created by a paste operation or
1107         // a drag & drop operation, and clear the previous selection
1108         m_viewAccessor.itemView()->clearSelection();
1109         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1110         QItemSelection selection;
1111         for (int row = 0; row < rowCount; ++row) {
1112             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1113             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1114             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1115             if (m_newFileNames.contains(url.fileName())) {
1116                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1117             }
1118         }
1119         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1120
1121         m_newFileNames.clear();
1122     }
1123 }
1124
1125 void DolphinView::slotLoadingCompleted()
1126 {
1127     m_expanderActive = false;
1128
1129     if (!m_activeItemUrl.isEmpty()) {
1130         // assure that the current item remains visible
1131         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1132         if (dirIndex.isValid()) {
1133             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1134             QAbstractItemView* view = m_viewAccessor.itemView();
1135             const bool clearSelection = !hasSelection();
1136             view->setCurrentIndex(proxyIndex);
1137             if (clearSelection) {
1138                 view->clearSelection();
1139             }
1140             m_activeItemUrl.clear();
1141         }
1142     }
1143
1144     if (!m_selectedItems.isEmpty()) {
1145         const KUrl& baseUrl = url();
1146         KUrl url;
1147         QItemSelection newSelection;
1148         foreach(const KFileItem& item, m_selectedItems) {
1149             url = item.url().upUrl();
1150             if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
1151                 QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
1152                 newSelection.select(index, index);
1153             }
1154         }
1155         m_viewAccessor.itemView()->selectionModel()->select(newSelection,
1156                                                             QItemSelectionModel::ClearAndSelect
1157                                                             | QItemSelectionModel::Current);
1158         m_selectedItems.clear();
1159     }
1160
1161     // Restore the contents position. This has to be done using a Qt::QueuedConnection
1162     // because the view might not be in its final state yet.
1163     QMetaObject::invokeMethod(this, "restoreContentsPosition", Qt::QueuedConnection);
1164
1165     emit finishedPathLoading(url());
1166 }
1167
1168 void DolphinView::slotRefreshItems()
1169 {
1170     if (m_assureVisibleCurrentIndex) {
1171         m_assureVisibleCurrentIndex = false;
1172         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1173     }
1174 }
1175
1176 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1177 {
1178     if (!url.isValid()) {
1179         const QString location(url.pathOrUrl());
1180         if (location.isEmpty()) {
1181             emit errorMessage(i18nc("@info:status", "The location is empty."));
1182         } else {
1183             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1184         }
1185         return;
1186     }
1187
1188     KDirLister* dirLister = m_viewAccessor.dirLister();
1189     dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1190 }
1191
1192 void DolphinView::applyViewProperties()
1193 {
1194     const ViewProperties props(rootUrl());
1195
1196     const Mode mode = props.viewMode();
1197     if (m_mode != mode) {
1198         const int oldZoomLevel = m_viewModeController->zoomLevel();
1199
1200         m_mode = mode;
1201         createView();
1202         emit modeChanged();
1203
1204         updateZoomLevel(oldZoomLevel);
1205     }
1206     if (m_viewAccessor.itemView() == 0) {
1207         createView();
1208     }
1209     Q_ASSERT(m_viewAccessor.itemView() != 0);
1210     Q_ASSERT(m_viewAccessor.itemDelegate() != 0);
1211
1212     const bool showHiddenFiles = props.showHiddenFiles();
1213     if (showHiddenFiles != m_viewAccessor.dirLister()->showingDotFiles()) {
1214         m_viewAccessor.dirLister()->setShowingDotFiles(showHiddenFiles);
1215         emit showHiddenFilesChanged();
1216     }
1217
1218     m_storedCategorizedSorting = props.categorizedSorting();
1219     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1220     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1221         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1222         emit categorizedSortingChanged();
1223     }
1224
1225     const DolphinView::Sorting sorting = props.sorting();
1226     if (sorting != m_viewAccessor.proxyModel()->sorting()) {
1227         m_viewAccessor.proxyModel()->setSorting(sorting);
1228         emit sortingChanged(sorting);
1229     }
1230
1231     const Qt::SortOrder sortOrder = props.sortOrder();
1232     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1233         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1234         emit sortOrderChanged(sortOrder);
1235     }
1236
1237     const bool sortFoldersFirst = props.sortFoldersFirst();
1238     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1239         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1240         emit sortFoldersFirstChanged(sortFoldersFirst);
1241     }
1242
1243     KFileItemDelegate::InformationList info = props.additionalInfo();
1244     if (info != m_viewAccessor.itemDelegate()->showInformation()) {
1245         m_viewAccessor.itemDelegate()->setShowInformation(info);
1246         emit additionalInfoChanged();
1247     }
1248
1249     const bool showPreview = props.showPreview();
1250     if (showPreview != m_showPreview) {
1251         m_showPreview = showPreview;
1252         const int oldZoomLevel = m_viewModeController->zoomLevel();
1253         emit showPreviewChanged();
1254
1255         // Enabling or disabling the preview might change the icon size of the view.
1256         // As the view does not emit a signal when the icon size has been changed,
1257         // the used zoom level of the controller must be adjusted manually:
1258         updateZoomLevel(oldZoomLevel);
1259     }
1260 }
1261
1262 void DolphinView::createView()
1263 {
1264     QAbstractItemView* view = m_viewAccessor.itemView();
1265     if ((view != 0) && (view->selectionModel() != 0)) {
1266         disconnect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
1267                    this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
1268     }
1269
1270     deleteView();
1271
1272     Q_ASSERT(m_viewAccessor.itemView() == 0);
1273     m_viewAccessor.createView(this, m_dolphinViewController, m_viewModeController, m_mode);
1274
1275     view = m_viewAccessor.itemView();
1276     Q_ASSERT(view != 0);
1277     view->installEventFilter(this);
1278     view->viewport()->installEventFilter(this);
1279
1280     m_dolphinViewController->setItemView(view);
1281
1282     const int zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(view->iconSize());
1283     m_viewModeController->setZoomLevel(zoomLevel);
1284
1285     connect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
1286             this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
1287
1288     setFocusProxy(m_viewAccessor.layoutTarget());
1289     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
1290 }
1291
1292 void DolphinView::deleteView()
1293 {
1294     QAbstractItemView* view = m_viewAccessor.itemView();
1295     if (view != 0) {
1296         // It's important to set the keyboard focus to the parent
1297         // before deleting the view: Otherwise when having a split
1298         // view the other view will get the focus and will request
1299         // an activation (see DolphinView::eventFilter()).
1300         setFocusProxy(0);
1301         setFocus();
1302
1303         m_topLayout->removeWidget(view);
1304         view->close();
1305
1306         // disconnect all signal/slots
1307         disconnect(view);
1308         m_viewModeController->disconnect(view);
1309         view->disconnect();
1310
1311         m_viewAccessor.deleteView();
1312     }
1313 }
1314
1315 void DolphinView::pasteToUrl(const KUrl& url)
1316 {
1317     addNewFileNames(QApplication::clipboard()->mimeData());
1318     KonqOperations::doPaste(this, url);
1319 }
1320
1321 void DolphinView::updateZoomLevel(int oldZoomLevel)
1322 {
1323     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1324     if (oldZoomLevel != newZoomLevel) {
1325         m_viewModeController->setZoomLevel(newZoomLevel);
1326         emit zoomLevelChanged(newZoomLevel);
1327     }
1328 }
1329
1330 KUrl::List DolphinView::simplifiedSelectedUrls() const
1331 {
1332     KUrl::List list = selectedUrls();
1333     if (itemsExpandable() ) {
1334         list = KDirModel::simplifiedUrlList(list);
1335     }
1336     return list;
1337 }
1338
1339 QMimeData* DolphinView::selectionMimeData() const
1340 {
1341     const QAbstractItemView* view = m_viewAccessor.itemView();
1342     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1343     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
1344     return m_viewAccessor.dirModel()->mimeData(selection.indexes());
1345 }
1346
1347 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1348 {
1349     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1350     foreach (const KUrl& url, urls) {
1351         m_newFileNames.insert(url.fileName());
1352     }
1353 }
1354
1355 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
1356     m_iconsView(0),
1357     m_detailsView(0),
1358     m_columnsContainer(0),
1359     m_proxyModel(proxyModel),
1360     m_dragSource(0)
1361 {
1362 }
1363
1364 DolphinView::ViewAccessor::~ViewAccessor()
1365 {
1366     delete m_dragSource;
1367     m_dragSource = 0;
1368 }
1369
1370 void DolphinView::ViewAccessor::createView(QWidget* parent,
1371                                            DolphinViewController* dolphinViewController,
1372                                            const ViewModeController* viewModeController,
1373                                            Mode mode)
1374 {
1375     Q_ASSERT(itemView() == 0);
1376
1377     switch (mode) {
1378     case IconsView:
1379         m_iconsView = new DolphinIconsView(parent,
1380                                            dolphinViewController,
1381                                            viewModeController,
1382                                            m_proxyModel);
1383         break;
1384
1385     case DetailsView:
1386         m_detailsView = new DolphinDetailsView(parent,
1387                                                dolphinViewController,
1388                                                viewModeController,
1389                                                m_proxyModel);
1390         break;
1391
1392     case ColumnView:
1393         m_columnsContainer = new DolphinColumnViewContainer(parent,
1394                                                             dolphinViewController,
1395                                                             viewModeController);
1396         break;
1397
1398     default:
1399         Q_ASSERT(false);
1400     }
1401 }
1402
1403 void DolphinView::ViewAccessor::deleteView()
1404 {
1405     QAbstractItemView* view = itemView();
1406     if (view != 0) {
1407         if (DragAndDropHelper::instance().isDragSource(view)) {
1408             // The view is a drag source (the feature "Open folders
1409             // during drag operations" is used). Deleting the view
1410             // during an ongoing drag operation is not allowed, so
1411             // this will postponed.
1412             if (m_dragSource != 0) {
1413                 // the old stored view is obviously not the drag source anymore
1414                 m_dragSource->deleteLater();
1415                 m_dragSource = 0;
1416             }
1417             view->hide();
1418             m_dragSource = view;
1419         } else {
1420             view->deleteLater();
1421         }
1422     }
1423
1424     m_iconsView = 0;
1425     m_detailsView = 0;
1426
1427     if (m_columnsContainer != 0) {
1428         m_columnsContainer->deleteLater();
1429     }
1430     m_columnsContainer = 0;
1431 }
1432
1433
1434 void DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1435 {
1436     if (m_columnsContainer != 0) {
1437         m_columnsContainer->showColumn(url);
1438     }
1439 }
1440
1441 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1442 {
1443     if (m_iconsView != 0) {
1444         return m_iconsView;
1445     }
1446
1447     if (m_detailsView != 0) {
1448         return m_detailsView;
1449     }
1450
1451     if (m_columnsContainer != 0) {
1452         return m_columnsContainer->activeColumn();
1453     }
1454
1455     return 0;
1456 }
1457
1458 KFileItemDelegate* DolphinView::ViewAccessor::itemDelegate() const
1459 {
1460     return static_cast<KFileItemDelegate*>(itemView()->itemDelegate());
1461 }
1462
1463 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1464 {
1465     if (m_columnsContainer != 0) {
1466         return m_columnsContainer;
1467     }
1468     return itemView();
1469 }
1470
1471 KUrl DolphinView::ViewAccessor::rootUrl() const
1472 {
1473     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1474 }
1475
1476 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1477 {
1478     return m_iconsView != 0;
1479 }
1480
1481 bool DolphinView::ViewAccessor::itemsExpandable() const
1482 {
1483     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1484 }
1485
1486
1487 QSet<KUrl> DolphinView::ViewAccessor::expandedUrls() const
1488 {
1489     if (m_detailsView != 0) {
1490         return m_detailsView->expandedUrls();
1491     }
1492
1493     return QSet<KUrl>();
1494 }
1495
1496 const DolphinDetailsViewExpander* DolphinView::ViewAccessor::setExpandedUrls(const QSet<KUrl>& urlsToExpand)
1497 {
1498     if ((m_detailsView != 0) && m_detailsView->itemsExpandable() && !urlsToExpand.isEmpty()) {
1499         // Check if another expander is already active and stop it if necessary.
1500         if(!m_detailsViewExpander.isNull()) {
1501             m_detailsViewExpander->stop();
1502         }
1503
1504         m_detailsViewExpander = new DolphinDetailsViewExpander(m_detailsView, urlsToExpand);
1505         return m_detailsViewExpander;
1506     }
1507     else {
1508         return 0;
1509     }
1510 }
1511
1512 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1513 {
1514     // the details view requires no reloading of the directory, as it maps
1515     // the file item delegate info to its columns internally
1516     return m_detailsView != 0;
1517 }
1518
1519 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1520 {
1521     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1522 }
1523
1524 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1525 {
1526     if (m_columnsContainer != 0) {
1527         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1528     }
1529     return m_proxyModel;
1530 }
1531
1532 KDirLister* DolphinView::ViewAccessor::dirLister() const
1533 {
1534     return dirModel()->dirLister();
1535 }
1536
1537 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1538 {
1539     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1540         emit redirection(oldUrl, newUrl);
1541         m_viewModeController->redirectToUrl(newUrl); // #186947
1542     }
1543 }
1544
1545 void DolphinView::restoreContentsPosition()
1546 {
1547     if (!m_restoredContentsPosition.isNull()) {
1548         const int x = m_restoredContentsPosition.x();
1549         const int y = m_restoredContentsPosition.y();
1550         m_restoredContentsPosition = QPoint();
1551
1552         QAbstractItemView* view = m_viewAccessor.itemView();
1553         Q_ASSERT(view != 0);
1554         view->horizontalScrollBar()->setValue(x);
1555         view->verticalScrollBar()->setValue(y);
1556     }
1557 }
1558
1559 #include "dolphinview.moc"