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     view->horizontalScrollBar()->setValue(x);
 366     view->verticalScrollBar()->setValue(y);
 367
 368     m_loadingDirectory = false;
 369 }
 370
 371 QPoint DolphinView::contentsPosition() const
 372 {
 373     const int x = m_viewAccessor.itemView()->horizontalScrollBar()->value();
 374     const int y = m_viewAccessor.itemView()->verticalScrollBar()->value();
 375     return QPoint(x, y);
 376 }
 377
 378 void DolphinView::setZoomLevel(int level)
 379 {
 380     if (level < ZoomLevelInfo::minimumLevel()) {
 381         level = ZoomLevelInfo::minimumLevel();
 382     } else if (level > ZoomLevelInfo::maximumLevel()) {
 383         level = ZoomLevelInfo::maximumLevel();
 384     }
 385
 386     if (level != zoomLevel()) {
 387         m_controller->setZoomLevel(level);
 388         emit zoomLevelChanged(level);
 389     }
 390 }
 391
 392 int DolphinView::zoomLevel() const
 393 {
 394     return m_controller->zoomLevel();
 395 }
 396
 397 void DolphinView::setSorting(Sorting sorting)
 398 {
 399     if (sorting != this->sorting()) {
 400         updateSorting(sorting);
 401     }
 402 }
 403
 404 DolphinView::Sorting DolphinView::sorting() const
 405 {
 406     return m_viewAccessor.proxyModel()->sorting();
 407 }
 408
 409 void DolphinView::setSortOrder(Qt::SortOrder order)
 410 {
 411     if (sortOrder() != order) {
 412         updateSortOrder(order);
 413     }
 414 }
 415
 416 Qt::SortOrder DolphinView::sortOrder() const
 417 {
 418     return m_viewAccessor.proxyModel()->sortOrder();
 419 }
 420
 421 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 422 {
 423     if (sortFoldersFirst() != foldersFirst) {
 424         updateSortFoldersFirst(foldersFirst);
 425     }
 426 }
 427
 428 bool DolphinView::sortFoldersFirst() const
 429 {
 430     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 431 }
 432
 433 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 434 {
 435     const KUrl viewPropsUrl = rootUrl();
 436     ViewProperties props(viewPropsUrl);
 437     props.setAdditionalInfo(info);
 438     m_viewAccessor.itemDelegate()->setShowInformation(info);
 439
 440     emit additionalInfoChanged();
 441
 442     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 443         loadDirectory(viewPropsUrl);
 444     }
 445 }
 446
 447 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 448 {
 449     return m_viewAccessor.itemDelegate()->showInformation();
 450 }
 451
 452 void DolphinView::reload()
 453 {
 454     setUrl(url());
 455     loadDirectory(url(), true);
 456 }
 457
 458 void DolphinView::refresh()
 459 {
 460     m_ignoreViewProperties = false;
 461
 462     const bool oldActivationState = m_active;
 463     const int oldZoomLevel = m_controller->zoomLevel();
 464     m_active = true;
 465
 466     createView();
 467     applyViewProperties();
 468     reload();
 469
 470     setActive(oldActivationState);
 471     updateZoomLevel(oldZoomLevel);
 472 }
 473
 474 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 475 {
 476     Q_UNUSED(rootUrl); // TODO: remove after columnview-cleanup has been finished
 477
 478     if (m_controller->url() == url) {
 479         return;
 480     }
 481
 482     m_controller->setUrl(url); // emits urlChanged, which we forward
 483     m_viewAccessor.prepareUrlChange(url);
 484     applyViewProperties();
 485     loadDirectory(url);
 486
 487     // When changing the URL there is no need to keep the version
 488     // data of the previous URL.
 489     m_viewAccessor.dirModel()->clearVersionData();
 490
 491     emit startedPathLoading(url);
 492 }
 493
 494 void DolphinView::setNameFilter(const QString& nameFilter)
 495 {
 496     m_controller->setNameFilter(nameFilter);
 497 }
 498
 499 void DolphinView::calculateItemCount(int& fileCount,
 500                                      int& folderCount,
 501                                      KIO::filesize_t& totalFileSize) const
 502 {
 503     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 504         if (item.isDir()) {
 505             ++folderCount;
 506         } else {
 507             ++fileCount;
 508             totalFileSize += item.size();
 509         }
 510     }
 511 }
 512
 513 QString DolphinView::statusBarText() const
 514 {
 515     QString text;
 516     int folderCount = 0;
 517     int fileCount = 0;
 518     KIO::filesize_t totalFileSize = 0;
 519
 520     if (hasSelection()) {
 521         // give a summary of the status of the selected files
 522         const KFileItemList list = selectedItems();
 523         if (list.isEmpty()) {
 524             // when an item is triggered, it is temporary selected but selectedItems()
 525             // will return an empty list
 526             return text;
 527         }
 528
 529         KFileItemList::const_iterator it = list.begin();
 530         const KFileItemList::const_iterator end = list.end();
 531         while (it != end) {
 532             const KFileItem& item = *it;
 533             if (item.isDir()) {
 534                 ++folderCount;
 535             } else {
 536                 ++fileCount;
 537                 totalFileSize += item.size();
 538             }
 539             ++it;
 540         }
 541
 542         if (folderCount + fileCount == 1) {
 543             // if only one item is selected, show the filename
 544             const QString name = list.first().name();
 545             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 546                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 547                                               name, KIO::convertSize(totalFileSize));
 548         } else {
 549             // at least 2 items are selected
 550             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 551             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 552             if ((folderCount > 0) && (fileCount > 0)) {
 553                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 554                              foldersText, filesText, KIO::convertSize(totalFileSize));
 555             } else if (fileCount > 0) {
 556                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 557             } else {
 558                 Q_ASSERT(folderCount > 0);
 559                 text = foldersText;
 560             }
 561         }
 562     } else {
 563         calculateItemCount(fileCount, folderCount, totalFileSize);
 564         text = KIO::itemsSummaryString(fileCount + folderCount,
 565                                        fileCount, folderCount,
 566                                        totalFileSize, true);
 567     }
 568
 569     return text;
 570 }
 571
 572 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 573 {
 574     return m_controller->versionControlActions(items);
 575 }
 576
 577 void DolphinView::setUrl(const KUrl& url)
 578 {
 579     m_newFileNames.clear();
 580     updateView(url, KUrl());
 581 }
 582
 583 void DolphinView::changeSelection(const KFileItemList& selection)
 584 {
 585     clearSelection();
 586     if (selection.isEmpty()) {
 587         return;
 588     }
 589     const KUrl& baseUrl = url();
 590     KUrl url;
 591     QItemSelection newSelection;
 592     foreach(const KFileItem& item, selection) {
 593         url = item.url().upUrl();
 594         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 595             QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
 596             newSelection.select(index, index);
 597         }
 598     }
 599     m_viewAccessor.itemView()->selectionModel()->select(newSelection,
 600                                          QItemSelectionModel::ClearAndSelect
 601                                          | QItemSelectionModel::Current);
 602 }
 603
 604 void DolphinView::renameSelectedItems()
 605 {
 606     KFileItemList items = selectedItems();
 607     const int itemCount = items.count();
 608     if (itemCount < 1) {
 609         return;
 610     }
 611
 612     if (itemCount > 1) {
 613         // More than one item has been selected for renaming. Open
 614         // a rename dialog and rename all items afterwards.
 615         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 616         if (dialog->exec() == QDialog::Rejected) {
 617             delete dialog;
 618             return;
 619         }
 620
 621         const QString newName = dialog->newName();
 622         if (newName.isEmpty()) {
 623             emit errorMessage(dialog->errorString());
 624             delete dialog;
 625             return;
 626         }
 627         delete dialog;
 628
 629         // the selection would be invalid after renaming the items, so just clear
 630         // it before
 631         clearSelection();
 632
 633         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 634         // as one operation instead of n rename operations like it is done now...
 635         Q_ASSERT(newName.contains('#'));
 636
 637         // currently the items are sorted by the selection order, resort
 638         // them by the file name
 639         qSort(items.begin(), items.end(), lessThan);
 640
 641         // iterate through all selected items and rename them...
 642         int index = 1;
 643         foreach (const KFileItem& item, items) {
 644             const KUrl& oldUrl = item.url();
 645             QString number;
 646             number.setNum(index++);
 647
 648             QString name = newName;
 649             name.replace('#', number);
 650
 651             if (oldUrl.fileName() != name) {
 652                 KUrl newUrl = oldUrl;
 653                 newUrl.setFileName(name);
 654                 KonqOperations::rename(this, oldUrl, newUrl);
 655             }
 656         }
 657     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 658         Q_ASSERT(itemCount == 1);
 659         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 660         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 661         m_viewAccessor.itemView()->edit(proxyIndex);
 662     } else {
 663         Q_ASSERT(itemCount == 1);
 664
 665         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 666         if (dialog->exec() == QDialog::Rejected) {
 667             delete dialog;
 668             return;
 669         }
 670
 671         const QString newName = dialog->newName();
 672         if (newName.isEmpty()) {
 673             emit errorMessage(dialog->errorString());
 674             delete dialog;
 675             return;
 676         }
 677         delete dialog;
 678
 679         const KUrl& oldUrl = items.first().url();
 680         KUrl newUrl = oldUrl;
 681         newUrl.setFileName(newName);
 682         KonqOperations::rename(this, oldUrl, newUrl);
 683     }
 684
 685     // assure that the current index remains visible when KDirLister
 686     // will notify the view about changed items
 687     m_assureVisibleCurrentIndex = true;
 688 }
 689
 690 void DolphinView::trashSelectedItems()
 691 {
 692     const KUrl::List list = simplifiedSelectedUrls();
 693     KonqOperations::del(this, KonqOperations::TRASH, list);
 694 }
 695
 696 void DolphinView::deleteSelectedItems()
 697 {
 698     const KUrl::List list = simplifiedSelectedUrls();
 699     const bool del = KonqOperations::askDeleteConfirmation(list,
 700                      KonqOperations::DEL,
 701                      KonqOperations::DEFAULT_CONFIRMATION,
 702                      this);
 703
 704     if (del) {
 705         KIO::Job* job = KIO::del(list);
 706         connect(job, SIGNAL(result(KJob*)),
 707                 this, SLOT(slotDeleteFileFinished(KJob*)));
 708     }
 709 }
 710
 711 void DolphinView::cutSelectedItems()
 712 {
 713     QMimeData* mimeData = selectionMimeData();
 714     KonqMimeData::addIsCutSelection(mimeData, true);
 715     QApplication::clipboard()->setMimeData(mimeData);
 716 }
 717
 718 void DolphinView::copySelectedItems()
 719 {
 720     QMimeData* mimeData = selectionMimeData();
 721     QApplication::clipboard()->setMimeData(mimeData);
 722 }
 723
 724 void DolphinView::paste()
 725 {
 726     pasteToUrl(url());
 727 }
 728
 729 void DolphinView::pasteIntoFolder()
 730 {
 731     const KFileItemList items = selectedItems();
 732     if ((items.count() == 1) && items.first().isDir()) {
 733         pasteToUrl(items.first().url());
 734     }
 735 }
 736
 737 void DolphinView::setShowPreview(bool show)
 738 {
 739     if (m_showPreview == show) {
 740         return;
 741     }
 742
 743     const KUrl viewPropsUrl = rootUrl();
 744     ViewProperties props(viewPropsUrl);
 745     props.setShowPreview(show);
 746
 747     m_showPreview = show;
 748     const int oldZoomLevel = m_controller->zoomLevel();
 749     emit showPreviewChanged();
 750
 751     // Enabling or disabling the preview might change the icon size of the view.
 752     // As the view does not emit a signal when the icon size has been changed,
 753     // the used zoom level of the controller must be adjusted manually:
 754     updateZoomLevel(oldZoomLevel);
 755 }
 756
 757 void DolphinView::setShowHiddenFiles(bool show)
 758 {
 759     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 760         return;
 761     }
 762
 763     const KUrl viewPropsUrl = rootUrl();
 764     ViewProperties props(viewPropsUrl);
 765     props.setShowHiddenFiles(show);
 766
 767     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 768     emit showHiddenFilesChanged();
 769 }
 770
 771 void DolphinView::setCategorizedSorting(bool categorized)
 772 {
 773     if (categorized == categorizedSorting()) {
 774         return;
 775     }
 776
 777     // setCategorizedSorting(true) may only get invoked
 778     // if the view supports categorized sorting
 779     Q_ASSERT(!categorized || supportsCategorizedSorting());
 780
 781     ViewProperties props(rootUrl());
 782     props.setCategorizedSorting(categorized);
 783     props.save();
 784
 785     m_storedCategorizedSorting = categorized;
 786     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 787
 788     emit categorizedSortingChanged();
 789 }
 790
 791 void DolphinView::toggleSortOrder()
 792 {
 793     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 794                                 Qt::DescendingOrder :
 795                                 Qt::AscendingOrder;
 796     setSortOrder(order);
 797 }
 798
 799 void DolphinView::toggleSortFoldersFirst()
 800 {
 801     setSortFoldersFirst(!sortFoldersFirst());
 802 }
 803
 804 void DolphinView::toggleAdditionalInfo(QAction* action)
 805 {
 806     const KFileItemDelegate::Information info =
 807         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 808
 809     KFileItemDelegate::InformationList list = additionalInfo();
 810
 811     const bool show = action->isChecked();
 812
 813     const int index = list.indexOf(info);
 814     const bool containsInfo = (index >= 0);
 815     if (show && !containsInfo) {
 816         list.append(info);
 817         setAdditionalInfo(list);
 818     } else if (!show && containsInfo) {
 819         list.removeAt(index);
 820         setAdditionalInfo(list);
 821         Q_ASSERT(list.indexOf(info) < 0);
 822     }
 823 }
 824
 825 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 826 {
 827     QWidget::mouseReleaseEvent(event);
 828     setActive(true);
 829 }
 830
 831 void DolphinView::wheelEvent(QWheelEvent* event)
 832 {
 833     if (event->modifiers() & Qt::ControlModifier) {
 834         const int delta = event->delta();
 835         const int level = zoomLevel();
 836         if (delta > 0) {
 837             setZoomLevel(level + 1);
 838         } else if (delta < 0) {
 839             setZoomLevel(level - 1);
 840         }
 841         event->accept();
 842     }
 843 }
 844
 845 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 846 {
 847     switch (event->type()) {
 848     case QEvent::FocusIn:
 849         if (watched == m_viewAccessor.itemView()) {
 850             m_controller->requestActivation();
 851         }
 852         break;
 853
 854     case QEvent::DragEnter:
 855         if (watched == m_viewAccessor.itemView()->viewport()) {
 856             setActive(true);
 857         }
 858         break;
 859
 860     case QEvent::KeyPress:
 861         if (watched == m_viewAccessor.itemView()) {
 862             // clear the selection when Escape has been pressed
 863             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 864             if (keyEvent->key() == Qt::Key_Escape) {
 865                 clearSelection();
 866             }
 867         }
 868         break;
 869
 870     default:
 871         break;
 872     }
 873
 874     return QWidget::eventFilter(watched, event);
 875 }
 876
 877 void DolphinView::activate()
 878 {
 879     setActive(true);
 880 }
 881
 882 void DolphinView::triggerItem(const KFileItem& item)
 883 {
 884     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 885     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 886         // items are selected by the user, hence don't trigger the
 887         // item specified by 'index'
 888         return;
 889     }
 890
 891     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 892     if (item.isNull() || m_isContextMenuOpen) {
 893         return;
 894     }
 895
 896     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 897 }
 898
 899 void DolphinView::emitDelayedSelectionChangedSignal()
 900 {
 901     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 902     // that fast selection changes don't result in expensive operations to
 903     // collect all file items for the signal (see DolphinView::selectedItems()).
 904     m_selectionChangedTimer->start();
 905 }
 906
 907 void DolphinView::emitSelectionChangedSignal()
 908 {
 909     emit selectionChanged(DolphinView::selectedItems());
 910 }
 911
 912 void DolphinView::openContextMenu(const QPoint& pos,
 913                                   const QList<QAction*>& customActions)
 914 {
 915     KFileItem item;
 916     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 917     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 918         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 919         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 920     }
 921
 922     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 923     emit requestContextMenu(item, url(), customActions);
 924     m_isContextMenuOpen = false;
 925 }
 926
 927 void DolphinView::dropUrls(const KFileItem& destItem,
 928                            const KUrl& destPath,
 929                            QDropEvent* event)
 930 {
 931     addNewFileNames(event->mimeData());
 932     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 933 }
 934
 935 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 936 {
 937     ViewProperties props(rootUrl());
 938     props.setSorting(sorting);
 939
 940     m_viewAccessor.proxyModel()->setSorting(sorting);
 941
 942     emit sortingChanged(sorting);
 943 }
 944
 945 void DolphinView::updateSortOrder(Qt::SortOrder order)
 946 {
 947     ViewProperties props(rootUrl());
 948     props.setSortOrder(order);
 949
 950     m_viewAccessor.proxyModel()->setSortOrder(order);
 951
 952     emit sortOrderChanged(order);
 953 }
 954
 955 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 956 {
 957     ViewProperties props(rootUrl());
 958     props.setSortFoldersFirst(foldersFirst);
 959
 960     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 961
 962     emit sortFoldersFirstChanged(foldersFirst);
 963 }
 964
 965 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 966 {
 967     ViewProperties props(rootUrl());
 968     props.setAdditionalInfo(info);
 969     props.save();
 970
 971     m_viewAccessor.itemDelegate()->setShowInformation(info);
 972
 973     emit additionalInfoChanged();
 974 }
 975
 976 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 977 {
 978     const bool enable = (m_mode == DolphinView::DetailsView) ||
 979                         (m_mode == DolphinView::IconsView);
 980
 981     QAction* showSizeInfo = collection->action("show_size_info");
 982     QAction* showDateInfo = collection->action("show_date_info");
 983     QAction* showPermissionsInfo = collection->action("show_permissions_info");
 984     QAction* showOwnerInfo = collection->action("show_owner_info");
 985     QAction* showGroupInfo = collection->action("show_group_info");
 986     QAction* showMimeInfo = collection->action("show_mime_info");
 987
 988     showSizeInfo->setChecked(false);
 989     showDateInfo->setChecked(false);
 990     showPermissionsInfo->setChecked(false);
 991     showOwnerInfo->setChecked(false);
 992     showGroupInfo->setChecked(false);
 993     showMimeInfo->setChecked(false);
 994
 995     showSizeInfo->setEnabled(enable);
 996     showDateInfo->setEnabled(enable);
 997     showPermissionsInfo->setEnabled(enable);
 998     showOwnerInfo->setEnabled(enable);
 999     showGroupInfo->setEnabled(enable);
1000     showMimeInfo->setEnabled(enable);
1001
1002     foreach (KFileItemDelegate::Information info, m_viewAccessor.itemDelegate()->showInformation()) {
1003         switch (info) {
1004         case KFileItemDelegate::Size:
1005             showSizeInfo->setChecked(true);
1006             break;
1007         case KFileItemDelegate::ModificationTime:
1008             showDateInfo->setChecked(true);
1009             break;
1010         case KFileItemDelegate::Permissions:
1011             showPermissionsInfo->setChecked(true);
1012             break;
1013         case KFileItemDelegate::Owner:
1014             showOwnerInfo->setChecked(true);
1015             break;
1016         case KFileItemDelegate::OwnerAndGroup:
1017             showGroupInfo->setChecked(true);
1018             break;
1019         case KFileItemDelegate::FriendlyMimeType:
1020             showMimeInfo->setChecked(true);
1021             break;
1022         default:
1023             break;
1024         }
1025     }
1026 }
1027
1028 QPair<bool, QString> DolphinView::pasteInfo() const
1029 {
1030     return KonqOperations::pasteInfo(url());
1031 }
1032
1033 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1034 {
1035     m_tabsForFiles = tabsForFiles;
1036 }
1037
1038 bool DolphinView::isTabsForFilesEnabled() const
1039 {
1040     return m_tabsForFiles;
1041 }
1042
1043 void DolphinView::activateItem(const KUrl& url)
1044 {
1045     m_activeItemUrl = url;
1046 }
1047
1048 bool DolphinView::itemsExpandable() const
1049 {
1050     return m_viewAccessor.itemsExpandable();
1051 }
1052
1053 void DolphinView::observeCreatedItem(const KUrl& url)
1054 {
1055     m_createdItemUrl = url;
1056     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1057             this, SLOT(selectAndScrollToCreatedItem()));
1058 }
1059
1060 void DolphinView::selectAndScrollToCreatedItem()
1061 {
1062     const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1063     if (dirIndex.isValid()) {
1064         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1065         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1066     }
1067
1068     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1069                this, SLOT(selectAndScrollToCreatedItem()));
1070     m_createdItemUrl = KUrl();
1071 }
1072
1073 void DolphinView::restoreSelection()
1074 {
1075     disconnect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1076     changeSelection(m_selectedItems);
1077 }
1078
1079 void DolphinView::emitContentsMoved()
1080 {
1081     // only emit the contents moved signal if no directory loading is ongoing
1082     // (this would reset the contents position always to (0, 0))
1083     if (!m_loadingDirectory) {
1084         const QPoint pos(contentsPosition());
1085         emit contentsMoved(pos.x(), pos.y());
1086     }
1087 }
1088
1089 void DolphinView::showHoverInformation(const KFileItem& item)
1090 {
1091     emit requestItemInfo(item);
1092 }
1093
1094 void DolphinView::clearHoverInformation()
1095 {
1096     emit requestItemInfo(KFileItem());
1097 }
1098
1099 void DolphinView::slotDeleteFileFinished(KJob* job)
1100 {
1101     if (job->error() == 0) {
1102         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1103     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1104         emit errorMessage(job->errorString());
1105     }
1106 }
1107
1108 void DolphinView::slotRequestUrlChange(const KUrl& url)
1109 {
1110     emit requestUrlChange(url);
1111     m_controller->setUrl(url);
1112 }
1113
1114 void DolphinView::slotDirListerCompleted()
1115 {
1116     if (!m_activeItemUrl.isEmpty()) {
1117         // assure that the current item remains visible
1118         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1119         if (dirIndex.isValid()) {
1120             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1121             QAbstractItemView* view = m_viewAccessor.itemView();
1122             const bool clearSelection = !hasSelection();
1123             view->setCurrentIndex(proxyIndex);
1124             if (clearSelection) {
1125                 view->clearSelection();
1126             }
1127             m_activeItemUrl.clear();
1128         }
1129     }
1130
1131     if (!m_newFileNames.isEmpty()) {
1132         // select all newly added items created by a paste operation or
1133         // a drag & drop operation
1134         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1135         QItemSelection selection;
1136         for (int row = 0; row < rowCount; ++row) {
1137             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1138             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1139             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1140             if (m_newFileNames.contains(url.fileName())) {
1141                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1142             }
1143         }
1144         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1145
1146         m_newFileNames.clear();
1147     }
1148 }
1149
1150 void DolphinView::slotRefreshItems()
1151 {
1152     if (m_assureVisibleCurrentIndex) {
1153         m_assureVisibleCurrentIndex = false;
1154         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1155     }
1156 }
1157
1158 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1159 {
1160     if (!url.isValid()) {
1161         const QString location(url.pathOrUrl());
1162         if (location.isEmpty()) {
1163             emit errorMessage(i18nc("@info:status", "The location is empty."));
1164         } else {
1165             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1166         }
1167         return;
1168     }
1169
1170     m_loadingDirectory = true;
1171
1172     if (reload) {
1173         m_selectedItems = selectedItems();
1174         connect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1175     }
1176
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     if (m_columnsContainer)
1421         m_columnsContainer->deleteLater();
1422     m_columnsContainer = 0;
1423 }
1424
1425
1426 void DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1427 {
1428     if (m_columnsContainer != 0) {
1429         m_columnsContainer->showColumn(url);
1430     }
1431 }
1432
1433 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1434 {
1435     if (m_iconsView != 0) {
1436         return m_iconsView;
1437     }
1438
1439     if (m_detailsView != 0) {
1440         return m_detailsView;
1441     }
1442
1443     if (m_columnsContainer != 0) {
1444         return m_columnsContainer->activeColumn();
1445     }
1446
1447     return 0;
1448 }
1449
1450 KFileItemDelegate* DolphinView::ViewAccessor::itemDelegate() const
1451 {
1452     return static_cast<KFileItemDelegate*>(itemView()->itemDelegate());
1453 }
1454
1455 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1456 {
1457     if (m_columnsContainer != 0) {
1458         return m_columnsContainer;
1459     }
1460     return itemView();
1461 }
1462
1463 KUrl DolphinView::ViewAccessor::rootUrl() const
1464 {
1465     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1466 }
1467
1468 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1469 {
1470     return m_iconsView != 0;
1471 }
1472
1473 bool DolphinView::ViewAccessor::itemsExpandable() const
1474 {
1475     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1476 }
1477
1478 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1479 {
1480     // the details view requires no reloading of the directory, as it maps
1481     // the file item delegate info to its columns internally
1482     return m_detailsView != 0;
1483 }
1484
1485 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1486 {
1487     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1488 }
1489
1490 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1491 {
1492     if (m_columnsContainer != 0) {
1493         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1494     }
1495     return m_proxyModel;
1496 }
1497
1498 KDirLister* DolphinView::ViewAccessor::dirLister() const
1499 {
1500     return dirModel()->dirLister();
1501 }
1502
1503 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1504 {
1505     emit redirection(oldUrl, newUrl);
1506     m_controller->redirectToUrl(newUrl); // #186947
1507 }
1508
1509 #include "dolphinview.moc"