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