src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz@gmx.at>             *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QClipboard>
  26 #include <QKeyEvent>
  27 #include <QItemSelection>
  28 #include <QBoxLayout>
  29 #include <QTimer>
  30 #include <QScrollBar>
  31
  32 #include <kactioncollection.h>
  33 #include <kcolorscheme.h>
  34 #include <kdirlister.h>
  35 #include <kiconeffect.h>
  36 #include <kfileitem.h>
  37 #include <klocale.h>
  38 #include <kio/deletejob.h>
  39 #include <kio/netaccess.h>
  40 #include <kio/previewjob.h>
  41 #include <kjob.h>
  42 #include <kmenu.h>
  43 #include <kmessagebox.h>
  44 #include <kmimetyperesolver.h>
  45 #include <konq_fileitemcapabilities.h>
  46 #include <konq_operations.h>
  47 #include <konqmimedata.h>
  48 #include <kstringhandler.h>
  49 #include <ktoggleaction.h>
  50 #include <kurl.h>
  51
  52 #include "dolphinmodel.h"
  53 #include "dolphincolumnviewcontainer.h"
  54 #include "dolphincontroller.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphinfileitemdelegate.h"
  57 #include "dolphinnewmenuobserver.h"
  58 #include "dolphinsortfilterproxymodel.h"
  59 #include "dolphin_detailsmodesettings.h"
  60 #include "dolphiniconsview.h"
  61 #include "dolphin_generalsettings.h"
  62 #include "draganddrophelper.h"
  63 #include "renamedialog.h"
  64 #include "settings/dolphinsettings.h"
  65 #include "viewproperties.h"
  66 #include "zoomlevelinfo.h"
  67
  68 /**
  69  * Helper function for sorting items with qSort() in
  70  * DolphinView::renameSelectedItems().
  71  */
  72 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  73 {
  74     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  75 }
  76
  77 DolphinView::DolphinView(QWidget* parent,
  78                          const KUrl& url,
  79                          DolphinSortFilterProxyModel* proxyModel) :
  80     QWidget(parent),
  81     m_active(true),
  82     m_showPreview(false),
  83     m_loadingDirectory(false),
  84     m_storedCategorizedSorting(false),
  85     m_tabsForFiles(false),
  86     m_isContextMenuOpen(false),
  87     m_ignoreViewProperties(false),
  88     m_assureVisibleCurrentIndex(false),
  89     m_mode(DolphinView::IconsView),
  90     m_topLayout(0),
  91     m_controller(0),
  92     m_viewAccessor(proxyModel),
  93     m_selectionModel(0),
  94     m_selectionChangedTimer(0),
  95     m_rootUrl(),
  96     m_activeItemUrl(),
  97     m_createdItemUrl(),
  98     m_selectedItems(),
  99     m_newFileNames()
 100 {
 101     m_topLayout = new QVBoxLayout(this);
 102     m_topLayout->setSpacing(0);
 103     m_topLayout->setMargin(0);
 104
 105     m_controller = new DolphinController(this);
 106     m_controller->setUrl(url);
 107
 108     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 109             this, SIGNAL(urlChanged(const KUrl&)));
 110     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 111             this, SLOT(slotRequestUrlChange(const KUrl&)));
 112
 113     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 114             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 115     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 116             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 117     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 118             this, SLOT(updateSorting(DolphinView::Sorting)));
 119     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 120             this, SLOT(updateSortOrder(Qt::SortOrder)));
 121     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 122             this, SLOT(updateSortFoldersFirst(bool)));
 123     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 124             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 125     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 126             this, SLOT(triggerItem(const KFileItem&)));
 127     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 128             this, SIGNAL(tabRequested(const KUrl&)));
 129     connect(m_controller, SIGNAL(activated()),
 130             this, SLOT(activate()));
 131     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 132             this, SLOT(showHoverInformation(const KFileItem&)));
 133     connect(m_controller, SIGNAL(viewportEntered()),
 134             this, SLOT(clearHoverInformation()));
 135
 136     KDirLister* dirLister = m_viewAccessor.dirLister();
 137     connect(dirLister, SIGNAL(redirection(KUrl,KUrl)),
 138             this, SLOT(slotRedirection(KUrl,KUrl)));
 139     connect(dirLister, SIGNAL(completed()),
 140             this, SLOT(slotDirListerCompleted()));
 141     connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 142             this, SLOT(slotRefreshItems()));
 143
 144     // When a new item has been created by the "Create New..." menu, the item should
 145     // get selected and it must be assured that the item will get visible. As the
 146     // creation is done asynchronously, several signals must be checked:
 147     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 148             this, SLOT(observeCreatedItem(const KUrl&)));
 149
 150     m_selectionChangedTimer = new QTimer(this);
 151     m_selectionChangedTimer->setSingleShot(true);
 152     m_selectionChangedTimer->setInterval(300);
 153     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 154             this, SLOT(emitSelectionChangedSignal()));
 155
 156     applyViewProperties();
 157     m_topLayout->addWidget(m_viewAccessor.itemView());
 158 }
 159
 160 DolphinView::~DolphinView()
 161 {
 162 }
 163
 164 const KUrl& DolphinView::url() const
 165 {
 166     return m_controller->url();
 167 }
 168
 169 KUrl DolphinView::rootUrl() const
 170 {
 171     const KUrl viewUrl = url();
 172     const KUrl root = m_viewAccessor.rootUrl();
 173     if (root.isEmpty() || !root.isParentOf(viewUrl)) {
 174         return viewUrl;
 175     }
 176     return root;
 177 }
 178
 179 void DolphinView::setActive(bool active)
 180 {
 181     if (active == m_active) {
 182         return;
 183     }
 184
 185     m_active = active;
 186
 187     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 188     if (active) {
 189         emitSelectionChangedSignal();
 190     } else {
 191         color.setAlpha(150);
 192     }
 193
 194     QWidget* viewport = m_viewAccessor.itemView()->viewport();
 195     QPalette palette;
 196     palette.setColor(viewport->backgroundRole(), color);
 197     viewport->setPalette(palette);
 198
 199     update();
 200
 201     if (active) {
 202         m_viewAccessor.itemView()->setFocus();
 203         emit activated();
 204     }
 205
 206     m_controller->indicateActivationChange(active);
 207 }
 208
 209 bool DolphinView::isActive() const
 210 {
 211     return m_active;
 212 }
 213
 214 void DolphinView::setMode(Mode mode)
 215 {
 216     if (mode == m_mode) {
 217         return; // the wished mode is already set
 218     }
 219
 220     const int oldZoomLevel = m_controller->zoomLevel();
 221     m_mode = mode;
 222
 223     deleteView();
 224
 225     const KUrl viewPropsUrl = rootUrl();
 226     ViewProperties props(viewPropsUrl);
 227     props.setViewMode(m_mode);
 228     createView();
 229
 230     // the file item delegate has been recreated, apply the current
 231     // additional information manually
 232     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 233     m_viewAccessor.itemDelegate()->setShowInformation(infoList);
 234     emit additionalInfoChanged();
 235
 236     // Not all view modes support categorized sorting. Adjust the sorting model
 237     // if changing the view mode results in a change of the categorized sorting
 238     // capabilities.
 239     m_storedCategorizedSorting = props.categorizedSorting();
 240     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 241     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
 242         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 243         emit categorizedSortingChanged();
 244     }
 245
 246     emit modeChanged();
 247
 248     updateZoomLevel(oldZoomLevel);
 249     if (m_showPreview) {
 250         loadDirectory(viewPropsUrl);
 251     }
 252 }
 253
 254 DolphinView::Mode DolphinView::mode() const
 255 {
 256     return m_mode;
 257 }
 258
 259 bool DolphinView::showPreview() const
 260 {
 261     return m_showPreview;
 262 }
 263
 264 bool DolphinView::showHiddenFiles() const
 265 {
 266     return m_viewAccessor.dirLister()->showingDotFiles();
 267 }
 268
 269 bool DolphinView::categorizedSorting() const
 270 {
 271     // If all view modes would support categorized sorting, returning
 272     // m_viewAccessor.proxyModel()->isCategorizedModel() would be the way to go. As
 273     // currently only the icons view supports caterized sorting, we remember
 274     // the stored view properties state in m_storedCategorizedSorting and
 275     // return this state. The application takes care to disable the corresponding
 276     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 277     // that this setting is not applied to the current view mode.
 278     return m_storedCategorizedSorting;
 279 }
 280
 281 bool DolphinView::supportsCategorizedSorting() const
 282 {
 283     return m_viewAccessor.supportsCategorizedSorting();
 284 }
 285
 286 void DolphinView::selectAll()
 287 {
 288     QAbstractItemView* view = m_viewAccessor.itemView();
 289     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 290     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 291     // selection instead of selecting all items. This is bypassed for KDE 4.0
 292     // by invoking clearSelection() first.
 293     view->clearSelection();
 294     view->selectAll();
 295 }
 296
 297 void DolphinView::invertSelection()
 298 {
 299     QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
 300     const QAbstractItemModel* itemModel = selectionModel->model();
 301
 302     const QModelIndex topLeft = itemModel->index(0, 0);
 303     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 304                                                      itemModel->columnCount() - 1);
 305
 306     const QItemSelection selection(topLeft, bottomRight);
 307     selectionModel->select(selection, QItemSelectionModel::Toggle);
 308 }
 309
 310 bool DolphinView::hasSelection() const
 311 {
 312     const QAbstractItemView* view = m_viewAccessor.itemView();
 313     return view && view->selectionModel()->hasSelection();
 314 }
 315
 316 void DolphinView::clearSelection()
 317 {
 318     QItemSelectionModel* selModel = m_viewAccessor.itemView()->selectionModel();
 319     const QModelIndex currentIndex = selModel->currentIndex();
 320     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 321                                             QItemSelectionModel::Clear);
 322     m_selectedItems.clear();
 323 }
 324
 325 KFileItemList DolphinView::selectedItems() const
 326 {
 327     const QAbstractItemView* view = m_viewAccessor.itemView();
 328
 329     // Our view has a selection, we will map them back to the DolphinModel
 330     // and then fill the KFileItemList.
 331     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 332
 333     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
 334     KFileItemList itemList;
 335
 336     const QModelIndexList indexList = selection.indexes();
 337     foreach (const QModelIndex &index, indexList) {
 338         KFileItem item = m_viewAccessor.dirModel()->itemForIndex(index);
 339         if (!item.isNull()) {
 340             itemList.append(item);
 341         }
 342     }
 343
 344     return itemList;
 345 }
 346
 347 KUrl::List DolphinView::selectedUrls() const
 348 {
 349     KUrl::List urls;
 350     const KFileItemList list = selectedItems();
 351     foreach (const KFileItem &item, list) {
 352         urls.append(item.url());
 353     }
 354     return urls;
 355 }
 356
 357 int DolphinView::selectedItemsCount() const
 358 {
 359     return m_viewAccessor.itemView()->selectionModel()->selectedIndexes().count();
 360 }
 361
 362 void DolphinView::setContentsPosition(int x, int y)
 363 {
 364     QAbstractItemView* view = m_viewAccessor.itemView();
 365     Q_ASSERT(view != 0);
 366     view->horizontalScrollBar()->setValue(x);
 367     view->verticalScrollBar()->setValue(y);
 368
 369     m_loadingDirectory = false;
 370 }
 371
 372 QPoint DolphinView::contentsPosition() const
 373 {
 374     QAbstractItemView* view = m_viewAccessor.itemView();
 375     Q_ASSERT(view != 0);
 376     const int x = view->horizontalScrollBar()->value();
 377     const int y = view->verticalScrollBar()->value();
 378     return QPoint(x, y);
 379 }
 380
 381 void DolphinView::setZoomLevel(int level)
 382 {
 383     if (level < ZoomLevelInfo::minimumLevel()) {
 384         level = ZoomLevelInfo::minimumLevel();
 385     } else if (level > ZoomLevelInfo::maximumLevel()) {
 386         level = ZoomLevelInfo::maximumLevel();
 387     }
 388
 389     if (level != zoomLevel()) {
 390         m_controller->setZoomLevel(level);
 391         emit zoomLevelChanged(level);
 392     }
 393 }
 394
 395 int DolphinView::zoomLevel() const
 396 {
 397     return m_controller->zoomLevel();
 398 }
 399
 400 void DolphinView::setSorting(Sorting sorting)
 401 {
 402     if (sorting != this->sorting()) {
 403         updateSorting(sorting);
 404     }
 405 }
 406
 407 DolphinView::Sorting DolphinView::sorting() const
 408 {
 409     return m_viewAccessor.proxyModel()->sorting();
 410 }
 411
 412 void DolphinView::setSortOrder(Qt::SortOrder order)
 413 {
 414     if (sortOrder() != order) {
 415         updateSortOrder(order);
 416     }
 417 }
 418
 419 Qt::SortOrder DolphinView::sortOrder() const
 420 {
 421     return m_viewAccessor.proxyModel()->sortOrder();
 422 }
 423
 424 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 425 {
 426     if (sortFoldersFirst() != foldersFirst) {
 427         updateSortFoldersFirst(foldersFirst);
 428     }
 429 }
 430
 431 bool DolphinView::sortFoldersFirst() const
 432 {
 433     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 434 }
 435
 436 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 437 {
 438     const KUrl viewPropsUrl = rootUrl();
 439     ViewProperties props(viewPropsUrl);
 440     props.setAdditionalInfo(info);
 441     m_viewAccessor.itemDelegate()->setShowInformation(info);
 442
 443     emit additionalInfoChanged();
 444
 445     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 446         loadDirectory(viewPropsUrl);
 447     }
 448 }
 449
 450 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 451 {
 452     return m_viewAccessor.itemDelegate()->showInformation();
 453 }
 454
 455 void DolphinView::reload()
 456 {
 457     setUrl(url());
 458     loadDirectory(url(), true);
 459 }
 460
 461 void DolphinView::refresh()
 462 {
 463     m_ignoreViewProperties = false;
 464
 465     const bool oldActivationState = m_active;
 466     const int oldZoomLevel = m_controller->zoomLevel();
 467     m_active = true;
 468
 469     createView();
 470     applyViewProperties();
 471     reload();
 472
 473     setActive(oldActivationState);
 474     updateZoomLevel(oldZoomLevel);
 475 }
 476
 477 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 478 {
 479     Q_UNUSED(rootUrl); // TODO: remove after columnview-cleanup has been finished
 480
 481     if (m_controller->url() == url) {
 482         return;
 483     }
 484
 485     m_controller->setUrl(url); // emits urlChanged, which we forward
 486     m_viewAccessor.prepareUrlChange(url);
 487     applyViewProperties();
 488     loadDirectory(url);
 489
 490     // When changing the URL there is no need to keep the version
 491     // data of the previous URL.
 492     m_viewAccessor.dirModel()->clearVersionData();
 493
 494     emit startedPathLoading(url);
 495 }
 496
 497 void DolphinView::setNameFilter(const QString& nameFilter)
 498 {
 499     m_controller->setNameFilter(nameFilter);
 500 }
 501
 502 void DolphinView::calculateItemCount(int& fileCount,
 503                                      int& folderCount,
 504                                      KIO::filesize_t& totalFileSize) const
 505 {
 506     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 507         if (item.isDir()) {
 508             ++folderCount;
 509         } else {
 510             ++fileCount;
 511             totalFileSize += item.size();
 512         }
 513     }
 514 }
 515
 516 QString DolphinView::statusBarText() const
 517 {
 518     QString text;
 519     int folderCount = 0;
 520     int fileCount = 0;
 521     KIO::filesize_t totalFileSize = 0;
 522
 523     if (hasSelection()) {
 524         // give a summary of the status of the selected files
 525         const KFileItemList list = selectedItems();
 526         if (list.isEmpty()) {
 527             // when an item is triggered, it is temporary selected but selectedItems()
 528             // will return an empty list
 529             return text;
 530         }
 531
 532         KFileItemList::const_iterator it = list.begin();
 533         const KFileItemList::const_iterator end = list.end();
 534         while (it != end) {
 535             const KFileItem& item = *it;
 536             if (item.isDir()) {
 537                 ++folderCount;
 538             } else {
 539                 ++fileCount;
 540                 totalFileSize += item.size();
 541             }
 542             ++it;
 543         }
 544
 545         if (folderCount + fileCount == 1) {
 546             // if only one item is selected, show the filename
 547             const QString name = list.first().name();
 548             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 549                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 550                                               name, KIO::convertSize(totalFileSize));
 551         } else {
 552             // at least 2 items are selected
 553             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 554             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 555             if ((folderCount > 0) && (fileCount > 0)) {
 556                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 557                              foldersText, filesText, KIO::convertSize(totalFileSize));
 558             } else if (fileCount > 0) {
 559                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 560             } else {
 561                 Q_ASSERT(folderCount > 0);
 562                 text = foldersText;
 563             }
 564         }
 565     } else {
 566         calculateItemCount(fileCount, folderCount, totalFileSize);
 567         text = KIO::itemsSummaryString(fileCount + folderCount,
 568                                        fileCount, folderCount,
 569                                        totalFileSize, true);
 570     }
 571
 572     return text;
 573 }
 574
 575 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 576 {
 577     return m_controller->versionControlActions(items);
 578 }
 579
 580 void DolphinView::setUrl(const KUrl& url)
 581 {
 582     m_newFileNames.clear();
 583     updateView(url, KUrl());
 584 }
 585
 586 void DolphinView::changeSelection(const KFileItemList& selection)
 587 {
 588     clearSelection();
 589     if (selection.isEmpty()) {
 590         return;
 591     }
 592     const KUrl& baseUrl = url();
 593     KUrl url;
 594     QItemSelection newSelection;
 595     foreach(const KFileItem& item, selection) {
 596         url = item.url().upUrl();
 597         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 598             QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
 599             newSelection.select(index, index);
 600         }
 601     }
 602     m_viewAccessor.itemView()->selectionModel()->select(newSelection,
 603                                          QItemSelectionModel::ClearAndSelect
 604                                          | QItemSelectionModel::Current);
 605 }
 606
 607 void DolphinView::renameSelectedItems()
 608 {
 609     KFileItemList items = selectedItems();
 610     const int itemCount = items.count();
 611     if (itemCount < 1) {
 612         return;
 613     }
 614
 615     if (itemCount > 1) {
 616         // More than one item has been selected for renaming. Open
 617         // a rename dialog and rename all items afterwards.
 618         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 619         if (dialog->exec() == QDialog::Rejected) {
 620             delete dialog;
 621             return;
 622         }
 623
 624         const QString newName = dialog->newName();
 625         if (newName.isEmpty()) {
 626             emit errorMessage(dialog->errorString());
 627             delete dialog;
 628             return;
 629         }
 630         delete dialog;
 631
 632         // the selection would be invalid after renaming the items, so just clear
 633         // it before
 634         clearSelection();
 635
 636         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 637         // as one operation instead of n rename operations like it is done now...
 638         Q_ASSERT(newName.contains('#'));
 639
 640         // currently the items are sorted by the selection order, resort
 641         // them by the file name
 642         qSort(items.begin(), items.end(), lessThan);
 643
 644         // iterate through all selected items and rename them...
 645         int index = 1;
 646         foreach (const KFileItem& item, items) {
 647             const KUrl& oldUrl = item.url();
 648             QString number;
 649             number.setNum(index++);
 650
 651             QString name = newName;
 652             name.replace('#', number);
 653
 654             if (oldUrl.fileName() != name) {
 655                 KUrl newUrl = oldUrl;
 656                 newUrl.setFileName(name);
 657                 KonqOperations::rename(this, oldUrl, newUrl);
 658             }
 659         }
 660     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 661         Q_ASSERT(itemCount == 1);
 662         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 663         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 664         m_viewAccessor.itemView()->edit(proxyIndex);
 665     } else {
 666         Q_ASSERT(itemCount == 1);
 667
 668         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 669         if (dialog->exec() == QDialog::Rejected) {
 670             delete dialog;
 671             return;
 672         }
 673
 674         const QString newName = dialog->newName();
 675         if (newName.isEmpty()) {
 676             emit errorMessage(dialog->errorString());
 677             delete dialog;
 678             return;
 679         }
 680         delete dialog;
 681
 682         const KUrl& oldUrl = items.first().url();
 683         KUrl newUrl = oldUrl;
 684         newUrl.setFileName(newName);
 685         KonqOperations::rename(this, oldUrl, newUrl);
 686     }
 687
 688     // assure that the current index remains visible when KDirLister
 689     // will notify the view about changed items
 690     m_assureVisibleCurrentIndex = true;
 691 }
 692
 693 void DolphinView::trashSelectedItems()
 694 {
 695     const KUrl::List list = simplifiedSelectedUrls();
 696     KonqOperations::del(this, KonqOperations::TRASH, list);
 697 }
 698
 699 void DolphinView::deleteSelectedItems()
 700 {
 701     const KUrl::List list = simplifiedSelectedUrls();
 702     const bool del = KonqOperations::askDeleteConfirmation(list,
 703                      KonqOperations::DEL,
 704                      KonqOperations::DEFAULT_CONFIRMATION,
 705                      this);
 706
 707     if (del) {
 708         KIO::Job* job = KIO::del(list);
 709         connect(job, SIGNAL(result(KJob*)),
 710                 this, SLOT(slotDeleteFileFinished(KJob*)));
 711     }
 712 }
 713
 714 void DolphinView::cutSelectedItems()
 715 {
 716     QMimeData* mimeData = selectionMimeData();
 717     KonqMimeData::addIsCutSelection(mimeData, true);
 718     QApplication::clipboard()->setMimeData(mimeData);
 719 }
 720
 721 void DolphinView::copySelectedItems()
 722 {
 723     QMimeData* mimeData = selectionMimeData();
 724     QApplication::clipboard()->setMimeData(mimeData);
 725 }
 726
 727 void DolphinView::paste()
 728 {
 729     pasteToUrl(url());
 730 }
 731
 732 void DolphinView::pasteIntoFolder()
 733 {
 734     const KFileItemList items = selectedItems();
 735     if ((items.count() == 1) && items.first().isDir()) {
 736         pasteToUrl(items.first().url());
 737     }
 738 }
 739
 740 void DolphinView::setShowPreview(bool show)
 741 {
 742     if (m_showPreview == show) {
 743         return;
 744     }
 745
 746     const KUrl viewPropsUrl = rootUrl();
 747     ViewProperties props(viewPropsUrl);
 748     props.setShowPreview(show);
 749
 750     m_showPreview = show;
 751     const int oldZoomLevel = m_controller->zoomLevel();
 752     emit showPreviewChanged();
 753
 754     // Enabling or disabling the preview might change the icon size of the view.
 755     // As the view does not emit a signal when the icon size has been changed,
 756     // the used zoom level of the controller must be adjusted manually:
 757     updateZoomLevel(oldZoomLevel);
 758 }
 759
 760 void DolphinView::setShowHiddenFiles(bool show)
 761 {
 762     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 763         return;
 764     }
 765
 766     const KUrl viewPropsUrl = rootUrl();
 767     ViewProperties props(viewPropsUrl);
 768     props.setShowHiddenFiles(show);
 769
 770     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 771     emit showHiddenFilesChanged();
 772 }
 773
 774 void DolphinView::setCategorizedSorting(bool categorized)
 775 {
 776     if (categorized == categorizedSorting()) {
 777         return;
 778     }
 779
 780     // setCategorizedSorting(true) may only get invoked
 781     // if the view supports categorized sorting
 782     Q_ASSERT(!categorized || supportsCategorizedSorting());
 783
 784     ViewProperties props(rootUrl());
 785     props.setCategorizedSorting(categorized);
 786     props.save();
 787
 788     m_storedCategorizedSorting = categorized;
 789     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 790
 791     emit categorizedSortingChanged();
 792 }
 793
 794 void DolphinView::toggleSortOrder()
 795 {
 796     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 797                                 Qt::DescendingOrder :
 798                                 Qt::AscendingOrder;
 799     setSortOrder(order);
 800 }
 801
 802 void DolphinView::toggleSortFoldersFirst()
 803 {
 804     setSortFoldersFirst(!sortFoldersFirst());
 805 }
 806
 807 void DolphinView::toggleAdditionalInfo(QAction* action)
 808 {
 809     const KFileItemDelegate::Information info =
 810         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 811
 812     KFileItemDelegate::InformationList list = additionalInfo();
 813
 814     const bool show = action->isChecked();
 815
 816     const int index = list.indexOf(info);
 817     const bool containsInfo = (index >= 0);
 818     if (show && !containsInfo) {
 819         list.append(info);
 820         setAdditionalInfo(list);
 821     } else if (!show && containsInfo) {
 822         list.removeAt(index);
 823         setAdditionalInfo(list);
 824         Q_ASSERT(list.indexOf(info) < 0);
 825     }
 826 }
 827
 828 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 829 {
 830     QWidget::mouseReleaseEvent(event);
 831     setActive(true);
 832 }
 833
 834 void DolphinView::wheelEvent(QWheelEvent* event)
 835 {
 836     if (event->modifiers() & Qt::ControlModifier) {
 837         const int delta = event->delta();
 838         const int level = zoomLevel();
 839         if (delta > 0) {
 840             setZoomLevel(level + 1);
 841         } else if (delta < 0) {
 842             setZoomLevel(level - 1);
 843         }
 844         event->accept();
 845     }
 846 }
 847
 848 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 849 {
 850     switch (event->type()) {
 851     case QEvent::FocusIn:
 852         if (watched == m_viewAccessor.itemView()) {
 853             m_controller->requestActivation();
 854         }
 855         break;
 856
 857     case QEvent::DragEnter:
 858         if (watched == m_viewAccessor.itemView()->viewport()) {
 859             setActive(true);
 860         }
 861         break;
 862
 863     case QEvent::KeyPress:
 864         if (watched == m_viewAccessor.itemView()) {
 865             // clear the selection when Escape has been pressed
 866             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 867             if (keyEvent->key() == Qt::Key_Escape) {
 868                 clearSelection();
 869             }
 870         }
 871         break;
 872
 873     default:
 874         break;
 875     }
 876
 877     return QWidget::eventFilter(watched, event);
 878 }
 879
 880 void DolphinView::activate()
 881 {
 882     setActive(true);
 883 }
 884
 885 void DolphinView::triggerItem(const KFileItem& item)
 886 {
 887     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 888     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 889         // items are selected by the user, hence don't trigger the
 890         // item specified by 'index'
 891         return;
 892     }
 893
 894     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 895     if (item.isNull() || m_isContextMenuOpen) {
 896         return;
 897     }
 898
 899     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 900 }
 901
 902 void DolphinView::emitDelayedSelectionChangedSignal()
 903 {
 904     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 905     // that fast selection changes don't result in expensive operations to
 906     // collect all file items for the signal (see DolphinView::selectedItems()).
 907     m_selectionChangedTimer->start();
 908 }
 909
 910 void DolphinView::emitSelectionChangedSignal()
 911 {
 912     emit selectionChanged(DolphinView::selectedItems());
 913 }
 914
 915 void DolphinView::openContextMenu(const QPoint& pos,
 916                                   const QList<QAction*>& customActions)
 917 {
 918     KFileItem item;
 919     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 920     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 921         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 922         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 923     }
 924
 925     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 926     emit requestContextMenu(item, url(), customActions);
 927     m_isContextMenuOpen = false;
 928 }
 929
 930 void DolphinView::dropUrls(const KFileItem& destItem,
 931                            const KUrl& destPath,
 932                            QDropEvent* event)
 933 {
 934     addNewFileNames(event->mimeData());
 935     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 936 }
 937
 938 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 939 {
 940     ViewProperties props(rootUrl());
 941     props.setSorting(sorting);
 942
 943     m_viewAccessor.proxyModel()->setSorting(sorting);
 944
 945     emit sortingChanged(sorting);
 946 }
 947
 948 void DolphinView::updateSortOrder(Qt::SortOrder order)
 949 {
 950     ViewProperties props(rootUrl());
 951     props.setSortOrder(order);
 952
 953     m_viewAccessor.proxyModel()->setSortOrder(order);
 954
 955     emit sortOrderChanged(order);
 956 }
 957
 958 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 959 {
 960     ViewProperties props(rootUrl());
 961     props.setSortFoldersFirst(foldersFirst);
 962
 963     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 964
 965     emit sortFoldersFirstChanged(foldersFirst);
 966 }
 967
 968 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 969 {
 970     ViewProperties props(rootUrl());
 971     props.setAdditionalInfo(info);
 972     props.save();
 973
 974     m_viewAccessor.itemDelegate()->setShowInformation(info);
 975
 976     emit additionalInfoChanged();
 977 }
 978
 979 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 980 {
 981     const bool enable = (m_mode == DolphinView::DetailsView) ||
 982                         (m_mode == DolphinView::IconsView);
 983
 984     QAction* showSizeInfo = collection->action("show_size_info");
 985     QAction* showDateInfo = collection->action("show_date_info");
 986     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 987     QAction* showOwnerInfo = collection->action("show_owner_info");
 988     QAction* showGroupInfo = collection->action("show_group_info");
 989     QAction* showMimeInfo = collection->action("show_mime_info");
 990
 991     showSizeInfo->setChecked(false);
 992     showDateInfo->setChecked(false);
 993     showPermissionsInfo->setChecked(false);
 994     showOwnerInfo->setChecked(false);
 995     showGroupInfo->setChecked(false);
 996     showMimeInfo->setChecked(false);
 997
 998     showSizeInfo->setEnabled(enable);
 999     showDateInfo->setEnabled(enable);
1000     showPermissionsInfo->setEnabled(enable);
1001     showOwnerInfo->setEnabled(enable);
1002     showGroupInfo->setEnabled(enable);
1003     showMimeInfo->setEnabled(enable);
1004
1005     foreach (KFileItemDelegate::Information info, m_viewAccessor.itemDelegate()->showInformation()) {
1006         switch (info) {
1007         case KFileItemDelegate::Size:
1008             showSizeInfo->setChecked(true);
1009             break;
1010         case KFileItemDelegate::ModificationTime:
1011             showDateInfo->setChecked(true);
1012             break;
1013         case KFileItemDelegate::Permissions:
1014             showPermissionsInfo->setChecked(true);
1015             break;
1016         case KFileItemDelegate::Owner:
1017             showOwnerInfo->setChecked(true);
1018             break;
1019         case KFileItemDelegate::OwnerAndGroup:
1020             showGroupInfo->setChecked(true);
1021             break;
1022         case KFileItemDelegate::FriendlyMimeType:
1023             showMimeInfo->setChecked(true);
1024             break;
1025         default:
1026             break;
1027         }
1028     }
1029 }
1030
1031 QPair<bool, QString> DolphinView::pasteInfo() const
1032 {
1033     return KonqOperations::pasteInfo(url());
1034 }
1035
1036 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1037 {
1038     m_tabsForFiles = tabsForFiles;
1039 }
1040
1041 bool DolphinView::isTabsForFilesEnabled() const
1042 {
1043     return m_tabsForFiles;
1044 }
1045
1046 void DolphinView::activateItem(const KUrl& url)
1047 {
1048     m_activeItemUrl = url;
1049 }
1050
1051 bool DolphinView::itemsExpandable() const
1052 {
1053     return m_viewAccessor.itemsExpandable();
1054 }
1055
1056 void DolphinView::observeCreatedItem(const KUrl& url)
1057 {
1058     m_createdItemUrl = url;
1059     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1060             this, SLOT(selectAndScrollToCreatedItem()));
1061 }
1062
1063 void DolphinView::selectAndScrollToCreatedItem()
1064 {
1065     const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1066     if (dirIndex.isValid()) {
1067         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1068         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1069     }
1070
1071     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1072                this, SLOT(selectAndScrollToCreatedItem()));
1073     m_createdItemUrl = KUrl();
1074 }
1075
1076 void DolphinView::restoreSelection()
1077 {
1078     disconnect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1079     changeSelection(m_selectedItems);
1080 }
1081
1082 void DolphinView::emitContentsMoved()
1083 {
1084     // only emit the contents moved signal if no directory loading is ongoing
1085     // (this would reset the contents position always to (0, 0))
1086     if (!m_loadingDirectory) {
1087         const QPoint pos(contentsPosition());
1088         emit contentsMoved(pos.x(), pos.y());
1089     }
1090 }
1091
1092 void DolphinView::showHoverInformation(const KFileItem& item)
1093 {
1094     emit requestItemInfo(item);
1095 }
1096
1097 void DolphinView::clearHoverInformation()
1098 {
1099     emit requestItemInfo(KFileItem());
1100 }
1101
1102 void DolphinView::slotDeleteFileFinished(KJob* job)
1103 {
1104     if (job->error() == 0) {
1105         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1106     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1107         emit errorMessage(job->errorString());
1108     }
1109 }
1110
1111 void DolphinView::slotRequestUrlChange(const KUrl& url)
1112 {
1113     emit requestUrlChange(url);
1114     m_controller->setUrl(url);
1115 }
1116
1117 void DolphinView::slotDirListerCompleted()
1118 {
1119     if (!m_activeItemUrl.isEmpty()) {
1120         // assure that the current item remains visible
1121         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1122         if (dirIndex.isValid()) {
1123             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1124             QAbstractItemView* view = m_viewAccessor.itemView();
1125             const bool clearSelection = !hasSelection();
1126             view->setCurrentIndex(proxyIndex);
1127             if (clearSelection) {
1128                 view->clearSelection();
1129             }
1130             m_activeItemUrl.clear();
1131         }
1132     }
1133
1134     if (!m_newFileNames.isEmpty()) {
1135         // select all newly added items created by a paste operation or
1136         // a drag & drop operation
1137         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1138         QItemSelection selection;
1139         for (int row = 0; row < rowCount; ++row) {
1140             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1141             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1142             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1143             if (m_newFileNames.contains(url.fileName())) {
1144                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1145             }
1146         }
1147         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1148
1149         m_newFileNames.clear();
1150     }
1151 }
1152
1153 void DolphinView::slotRefreshItems()
1154 {
1155     if (m_assureVisibleCurrentIndex) {
1156         m_assureVisibleCurrentIndex = false;
1157         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1158     }
1159 }
1160
1161 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1162 {
1163     if (!url.isValid()) {
1164         const QString location(url.pathOrUrl());
1165         if (location.isEmpty()) {
1166             emit errorMessage(i18nc("@info:status", "The location is empty."));
1167         } else {
1168             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1169         }
1170         return;
1171     }
1172
1173     m_loadingDirectory = true;
1174
1175     if (reload) {
1176         m_selectedItems = selectedItems();
1177         connect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1178     }
1179
1180     m_viewAccessor.dirLister()->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1181 }
1182
1183 void DolphinView::applyViewProperties()
1184 {
1185     if (m_ignoreViewProperties) {
1186         return;
1187     }
1188
1189     const ViewProperties props(rootUrl());
1190
1191     const Mode mode = props.viewMode();
1192     if (m_mode != mode) {
1193         const int oldZoomLevel = m_controller->zoomLevel();
1194
1195         m_mode = mode;
1196         createView();
1197         emit modeChanged();
1198
1199         updateZoomLevel(oldZoomLevel);
1200     }
1201     if (m_viewAccessor.itemView() == 0) {
1202         createView();
1203     }
1204     Q_ASSERT(m_viewAccessor.itemView() != 0);
1205     Q_ASSERT(m_viewAccessor.itemDelegate() != 0);
1206
1207     const bool showHiddenFiles = props.showHiddenFiles();
1208     if (showHiddenFiles != m_viewAccessor.dirLister()->showingDotFiles()) {
1209         m_viewAccessor.dirLister()->setShowingDotFiles(showHiddenFiles);
1210         emit showHiddenFilesChanged();
1211     }
1212
1213     m_storedCategorizedSorting = props.categorizedSorting();
1214     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1215     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1216         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1217         emit categorizedSortingChanged();
1218     }
1219
1220     const DolphinView::Sorting sorting = props.sorting();
1221     if (sorting != m_viewAccessor.proxyModel()->sorting()) {
1222         m_viewAccessor.proxyModel()->setSorting(sorting);
1223         emit sortingChanged(sorting);
1224     }
1225
1226     const Qt::SortOrder sortOrder = props.sortOrder();
1227     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1228         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1229         emit sortOrderChanged(sortOrder);
1230     }
1231
1232     const bool sortFoldersFirst = props.sortFoldersFirst();
1233     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1234         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1235         emit sortFoldersFirstChanged(sortFoldersFirst);
1236     }
1237
1238     KFileItemDelegate::InformationList info = props.additionalInfo();
1239     if (info != m_viewAccessor.itemDelegate()->showInformation()) {
1240         m_viewAccessor.itemDelegate()->setShowInformation(info);
1241         emit additionalInfoChanged();
1242     }
1243
1244     const bool showPreview = props.showPreview();
1245     if (showPreview != m_showPreview) {
1246         m_showPreview = showPreview;
1247         const int oldZoomLevel = m_controller->zoomLevel();
1248         emit showPreviewChanged();
1249
1250         // Enabling or disabling the preview might change the icon size of the view.
1251         // As the view does not emit a signal when the icon size has been changed,
1252         // the used zoom level of the controller must be adjusted manually:
1253         updateZoomLevel(oldZoomLevel);
1254     }
1255
1256     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1257         // During the lifetime of a DolphinView instance the global view properties
1258         // should not be changed. This allows e. g. to split a view and use different
1259         // view properties for each view.
1260         m_ignoreViewProperties = true;
1261     }
1262 }
1263
1264 void DolphinView::createView()
1265 {
1266     deleteView();
1267
1268     Q_ASSERT(m_viewAccessor.itemView() == 0);
1269     m_viewAccessor.createView(this, m_controller, m_mode);
1270
1271     QAbstractItemView* view = m_viewAccessor.itemView();
1272     Q_ASSERT(view != 0);
1273     view->installEventFilter(this);
1274     view->viewport()->installEventFilter(this);
1275
1276     m_controller->setItemView(view);
1277     connect(m_controller, SIGNAL(selectionChanged()),
1278             this, SLOT(emitDelayedSelectionChangedSignal()));
1279
1280     // When changing the view mode, the selection is lost due to reinstantiating
1281     // a new item view with a custom selection model. Pass the ownership of the
1282     // selection model to DolphinView, so that it can be shared by all item views.
1283     if (m_selectionModel != 0) {
1284         view->setSelectionModel(m_selectionModel);
1285     } else {
1286         m_selectionModel = view->selectionModel();
1287     }
1288     m_selectionModel->setParent(this);
1289
1290     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1291             this, SLOT(emitContentsMoved()));
1292     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1293             this, SLOT(emitContentsMoved()));
1294
1295     setFocusProxy(m_viewAccessor.layoutTarget());
1296     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
1297 }
1298
1299 void DolphinView::deleteView()
1300 {
1301     QAbstractItemView* view = m_viewAccessor.itemView();
1302     if (view != 0) {
1303         // It's important to set the keyboard focus to the parent
1304         // before deleting the view: Otherwise when having a split
1305         // view the other view will get the focus and will request
1306         // an activation (see DolphinView::eventFilter()).
1307         setFocusProxy(0);
1308         setFocus();
1309
1310         m_topLayout->removeWidget(view);
1311         view->close();
1312
1313         // disconnect all signal/slots
1314         disconnect(view);
1315         m_controller->disconnect(view);
1316         view->disconnect();
1317         disconnect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1318                    this, SLOT(emitContentsMoved()));
1319         disconnect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1320                    this, SLOT(emitContentsMoved()));
1321
1322         m_viewAccessor.deleteView();
1323     }
1324 }
1325
1326 void DolphinView::pasteToUrl(const KUrl& url)
1327 {
1328     addNewFileNames(QApplication::clipboard()->mimeData());
1329     KonqOperations::doPaste(this, url);
1330 }
1331
1332 void DolphinView::updateZoomLevel(int oldZoomLevel)
1333 {
1334     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1335     if (oldZoomLevel != newZoomLevel) {
1336         m_controller->setZoomLevel(newZoomLevel);
1337         emit zoomLevelChanged(newZoomLevel);
1338     }
1339 }
1340
1341 KUrl::List DolphinView::simplifiedSelectedUrls() const
1342 {
1343     KUrl::List list = selectedUrls();
1344     if (itemsExpandable() ) {
1345         list = KDirModel::simplifiedUrlList(list);
1346     }
1347     return list;
1348 }
1349
1350 QMimeData* DolphinView::selectionMimeData() const
1351 {
1352     const QAbstractItemView* view = m_viewAccessor.itemView();
1353     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1354     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
1355     return m_viewAccessor.dirModel()->mimeData(selection.indexes());
1356 }
1357
1358 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1359 {
1360     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1361     foreach (const KUrl& url, urls) {
1362         m_newFileNames.insert(url.fileName());
1363     }
1364 }
1365
1366 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
1367     m_iconsView(0),
1368     m_detailsView(0),
1369     m_columnsContainer(0),
1370     m_proxyModel(proxyModel),
1371     m_dragSource(0)
1372 {
1373 }
1374
1375 DolphinView::ViewAccessor::~ViewAccessor()
1376 {
1377     delete m_dragSource;
1378     m_dragSource = 0;
1379 }
1380
1381 void DolphinView::ViewAccessor::createView(QWidget* parent,
1382                                            DolphinController* controller,
1383                                            Mode mode)
1384 {
1385     Q_ASSERT(itemView() == 0);
1386
1387     switch (mode) {
1388     case IconsView:
1389         m_iconsView = new DolphinIconsView(parent, controller, m_proxyModel);
1390         break;
1391
1392     case DetailsView:
1393         m_detailsView = new DolphinDetailsView(parent, controller, m_proxyModel);
1394         break;
1395
1396     case ColumnView:
1397         m_columnsContainer = new DolphinColumnViewContainer(parent, controller);
1398         break;
1399
1400     default:
1401         Q_ASSERT(false);
1402     }
1403 }
1404
1405 void DolphinView::ViewAccessor::deleteView()
1406 {
1407     QAbstractItemView* view = itemView();
1408     if (view != 0) {
1409         if (DragAndDropHelper::instance().isDragSource(view)) {
1410             // The view is a drag source (the feature "Open folders
1411             // during drag operations" is used). Deleting the view
1412             // during an ongoing drag operation is not allowed, so
1413             // this will postponed.
1414             if (m_dragSource != 0) {
1415                 // the old stored view is obviously not the drag source anymore
1416                 m_dragSource->deleteLater();
1417                 m_dragSource = 0;
1418             }
1419             view->hide();
1420             m_dragSource = view;
1421         } else {
1422             view->deleteLater();
1423         }
1424     }
1425
1426     m_iconsView = 0;
1427     m_detailsView = 0;
1428
1429     if (m_columnsContainer != 0) {
1430         m_columnsContainer->deleteLater();
1431     }
1432     m_columnsContainer = 0;
1433 }
1434
1435
1436 void DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1437 {
1438     if (m_columnsContainer != 0) {
1439         m_columnsContainer->showColumn(url);
1440     }
1441 }
1442
1443 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1444 {
1445     if (m_iconsView != 0) {
1446         return m_iconsView;
1447     }
1448
1449     if (m_detailsView != 0) {
1450         return m_detailsView;
1451     }
1452
1453     if (m_columnsContainer != 0) {
1454         return m_columnsContainer->activeColumn();
1455     }
1456
1457     return 0;
1458 }
1459
1460 KFileItemDelegate* DolphinView::ViewAccessor::itemDelegate() const
1461 {
1462     return static_cast<KFileItemDelegate*>(itemView()->itemDelegate());
1463 }
1464
1465 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1466 {
1467     if (m_columnsContainer != 0) {
1468         return m_columnsContainer;
1469     }
1470     return itemView();
1471 }
1472
1473 KUrl DolphinView::ViewAccessor::rootUrl() const
1474 {
1475     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1476 }
1477
1478 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1479 {
1480     return m_iconsView != 0;
1481 }
1482
1483 bool DolphinView::ViewAccessor::itemsExpandable() const
1484 {
1485     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1486 }
1487
1488 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1489 {
1490     // the details view requires no reloading of the directory, as it maps
1491     // the file item delegate info to its columns internally
1492     return m_detailsView != 0;
1493 }
1494
1495 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1496 {
1497     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1498 }
1499
1500 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1501 {
1502     if (m_columnsContainer != 0) {
1503         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1504     }
1505     return m_proxyModel;
1506 }
1507
1508 KDirLister* DolphinView::ViewAccessor::dirLister() const
1509 {
1510     return dirModel()->dirLister();
1511 }
1512
1513 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1514 {
1515     emit redirection(oldUrl, newUrl);
1516     m_controller->redirectToUrl(newUrl); // #186947
1517 }
1518
1519 #include "dolphinview.moc"