src/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QApplication>
  24 #include <QClipboard>
  25 #include <QKeyEvent>
  26 #include <QItemSelection>
  27 #include <QBoxLayout>
  28 #include <QTimer>
  29 #include <QScrollBar>
  30
  31 #include <kactioncollection.h>
  32 #include <kcolorscheme.h>
  33 #include <kdirlister.h>
  34 #include <kfilepreviewgenerator.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 "dolphincolumnview.h"
  54 #include "dolphincontroller.h"
  55 #include "dolphindetailsview.h"
  56 #include "dolphinfileitemdelegate.h"
  57 #include "dolphinnewmenuobserver.h"
  58 #include "dolphinsortfilterproxymodel.h"
  59 #include "dolphin_detailsmodesettings.h"
  60 #include "dolphiniconsview.h"
  61 #include "dolphin_generalsettings.h"
  62 #include "draganddrophelper.h"
  63 #include "folderexpander.h"
  64 #include "renamedialog.h"
  65 #include "revisioncontrolobserver.h"
  66 #include "tooltips/tooltipmanager.h"
  67 #include "settings/dolphinsettings.h"
  68 #include "viewproperties.h"
  69 #include "zoomlevelinfo.h"
  70
  71 /**
  72  * Helper function for sorting items with qSort() in
  73  * DolphinView::renameSelectedItems().
  74  */
  75 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  76 {
  77     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  78 }
  79
  80 DolphinView::DolphinView(QWidget* parent,
  81                          const KUrl& url,
  82                          KDirLister* dirLister,
  83                          DolphinModel* dolphinModel,
  84                          DolphinSortFilterProxyModel* proxyModel) :
  85     QWidget(parent),
  86     m_active(true),
  87     m_showPreview(false),
  88     m_loadingDirectory(false),
  89     m_storedCategorizedSorting(false),
  90     m_tabsForFiles(false),
  91     m_isContextMenuOpen(false),
  92     m_ignoreViewProperties(false),
  93     m_assureVisibleCurrentIndex(false),
  94     m_mode(DolphinView::IconsView),
  95     m_topLayout(0),
  96     m_controller(0),
  97     m_iconsView(0),
  98     m_detailsView(0),
  99     m_columnView(0),
 100     m_fileItemDelegate(0),
 101     m_selectionModel(0),
 102     m_selectionChangedTimer(0),
 103     m_dolphinModel(dolphinModel),
 104     m_dirLister(dirLister),
 105     m_proxyModel(proxyModel),
 106     m_previewGenerator(0),
 107     m_toolTipManager(0),
 108     m_revisionControlObserver(0),
 109     m_rootUrl(),
 110     m_activeItemUrl(),
 111     m_createdItemUrl(),
 112     m_selectedItems(),
 113     m_newFileNames(),
 114     m_expandedDragSource(0)
 115 {
 116     m_topLayout = new QVBoxLayout(this);
 117     m_topLayout->setSpacing(0);
 118     m_topLayout->setMargin(0);
 119
 120     m_controller = new DolphinController(this);
 121     m_controller->setUrl(url);
 122
 123     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 124             this, SIGNAL(urlChanged(const KUrl&)));
 125     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 126             this, SLOT(slotRequestUrlChange(const KUrl&)));
 127
 128     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 129             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 130     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 131             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 132     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 133             this, SLOT(updateSorting(DolphinView::Sorting)));
 134     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 135             this, SLOT(updateSortOrder(Qt::SortOrder)));
 136     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 137             this, SLOT(updateSortFoldersFirst(bool)));
 138     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 139             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 140     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 141             this, SLOT(triggerItem(const KFileItem&)));
 142     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 143             this, SIGNAL(tabRequested(const KUrl&)));
 144     connect(m_controller, SIGNAL(activated()),
 145             this, SLOT(activate()));
 146     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 147             this, SLOT(showHoverInformation(const KFileItem&)));
 148     connect(m_controller, SIGNAL(viewportEntered()),
 149             this, SLOT(clearHoverInformation()));
 150
 151     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 152             this, SIGNAL(redirection(KUrl, KUrl)));
 153     connect(m_dirLister, SIGNAL(completed()),
 154             this, SLOT(slotDirListerCompleted()));
 155     connect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 156             this, SLOT(slotRefreshItems()));
 157
 158     // When a new item has been created by the "Create New..." menu, the item should
 159     // get selected and it must be assured that the item will get visible. As the
 160     // creation is done asynchronously, several signals must be checked:
 161     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 162             this, SLOT(observeCreatedItem(const KUrl&)));
 163
 164     applyViewProperties(url);
 165     m_topLayout->addWidget(itemView());
 166 }
 167
 168 DolphinView::~DolphinView()
 169 {
 170     delete m_expandedDragSource;
 171     m_expandedDragSource = 0;
 172 }
 173
 174 const KUrl& DolphinView::url() const
 175 {
 176     return m_controller->url();
 177 }
 178
 179 KUrl DolphinView::rootUrl() const
 180 {
 181     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 182 }
 183
 184 void DolphinView::setActive(bool active)
 185 {
 186     if (active == m_active) {
 187         return;
 188     }
 189
 190     m_active = active;
 191
 192     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 193     if (active) {
 194         emitSelectionChangedSignal();
 195     } else {
 196         color.setAlpha(150);
 197     }
 198
 199     QWidget* viewport = itemView()->viewport();
 200     QPalette palette;
 201     palette.setColor(viewport->backgroundRole(), color);
 202     viewport->setPalette(palette);
 203
 204     update();
 205
 206     if (active) {
 207         itemView()->setFocus();
 208         emit activated();
 209     }
 210
 211     m_controller->indicateActivationChange(active);
 212 }
 213
 214 bool DolphinView::isActive() const
 215 {
 216     return m_active;
 217 }
 218
 219 void DolphinView::setMode(Mode mode)
 220 {
 221     if (mode == m_mode) {
 222         return; // the wished mode is already set
 223     }
 224
 225     const int oldZoomLevel = m_controller->zoomLevel();
 226     m_mode = mode;
 227
 228     deleteView();
 229
 230     const KUrl viewPropsUrl = viewPropertiesUrl();
 231     ViewProperties props(viewPropsUrl);
 232     props.setViewMode(m_mode);
 233     createView();
 234
 235     // the file item delegate has been recreated, apply the current
 236     // additional information manually
 237     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 238     m_fileItemDelegate->setShowInformation(infoList);
 239     emit additionalInfoChanged();
 240
 241     // Not all view modes support categorized sorting. Adjust the sorting model
 242     // if changing the view mode results in a change of the categorized sorting
 243     // capabilities.
 244     m_storedCategorizedSorting = props.categorizedSorting();
 245     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 246     if (categorized != m_proxyModel->isCategorizedModel()) {
 247         m_proxyModel->setCategorizedModel(categorized);
 248         emit categorizedSortingChanged();
 249     }
 250
 251     emit modeChanged();
 252
 253     updateZoomLevel(oldZoomLevel);
 254     if (m_showPreview) {
 255         loadDirectory(viewPropsUrl);
 256     }
 257 }
 258
 259 DolphinView::Mode DolphinView::mode() const
 260 {
 261     return m_mode;
 262 }
 263
 264 bool DolphinView::showPreview() const
 265 {
 266     return m_showPreview;
 267 }
 268
 269 bool DolphinView::showHiddenFiles() const
 270 {
 271     return m_dirLister->showingDotFiles();
 272 }
 273
 274 bool DolphinView::categorizedSorting() const
 275 {
 276     // If all view modes would support categorized sorting, returning
 277     // m_proxyModel->isCategorizedModel() would be the way to go. As
 278     // currently only the icons view supports caterized sorting, we remember
 279     // the stored view properties state in m_storedCategorizedSorting and
 280     // return this state. The application takes care to disable the corresponding
 281     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 282     // that this setting is not applied to the current view mode.
 283     return m_storedCategorizedSorting;
 284 }
 285
 286 bool DolphinView::supportsCategorizedSorting() const
 287 {
 288     return m_iconsView != 0;
 289 }
 290
 291 void DolphinView::selectAll()
 292 {
 293     QAbstractItemView* view = itemView();
 294     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 295     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 296     // selection instead of selecting all items. This is bypassed for KDE 4.0
 297     // by invoking clearSelection() first.
 298     view->clearSelection();
 299     view->selectAll();
 300 }
 301
 302 void DolphinView::invertSelection()
 303 {
 304     if (isColumnViewActive()) {
 305         // QAbstractItemView does not offer a virtual method invertSelection()
 306         // as counterpart to QAbstractItemView::selectAll(). This makes it
 307         // necessary to delegate the inverting of the selection to the
 308         // column view, as only the selection of the active column should
 309         // get inverted.
 310         m_columnView->invertSelection();
 311     } else {
 312         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 313         const QAbstractItemModel* itemModel = selectionModel->model();
 314
 315         const QModelIndex topLeft = itemModel->index(0, 0);
 316         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 317                                                          itemModel->columnCount() - 1);
 318
 319         const QItemSelection selection(topLeft, bottomRight);
 320         selectionModel->select(selection, QItemSelectionModel::Toggle);
 321     }
 322 }
 323
 324 bool DolphinView::hasSelection() const
 325 {
 326     return itemView()->selectionModel()->hasSelection();
 327 }
 328
 329 void DolphinView::clearSelection()
 330 {
 331     QItemSelectionModel* selModel = itemView()->selectionModel();
 332     const QModelIndex currentIndex = selModel->currentIndex();
 333     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 334                                             QItemSelectionModel::Clear);
 335     m_selectedItems.clear();
 336 }
 337
 338 KFileItemList DolphinView::selectedItems() const
 339 {
 340     if (isColumnViewActive()) {
 341         return m_columnView->selectedItems();
 342     }
 343
 344     const QAbstractItemView* view = itemView();
 345
 346     // Our view has a selection, we will map them back to the DolphinModel
 347     // and then fill the KFileItemList.
 348     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 349
 350     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 351     KFileItemList itemList;
 352
 353     const QModelIndexList indexList = selection.indexes();
 354     foreach (const QModelIndex &index, indexList) {
 355         KFileItem item = m_dolphinModel->itemForIndex(index);
 356         if (!item.isNull()) {
 357             itemList.append(item);
 358         }
 359     }
 360
 361     return itemList;
 362 }
 363
 364 KUrl::List DolphinView::selectedUrls() const
 365 {
 366     KUrl::List urls;
 367     const KFileItemList list = selectedItems();
 368     foreach (const KFileItem &item, list) {
 369         urls.append(item.url());
 370     }
 371     return urls;
 372 }
 373
 374 int DolphinView::selectedItemsCount() const
 375 {
 376     if (isColumnViewActive()) {
 377         // TODO: get rid of this special case by adjusting the dir lister
 378         // to the current column
 379         return m_columnView->selectedItems().count();
 380     }
 381
 382     return itemView()->selectionModel()->selectedIndexes().count();
 383 }
 384
 385 void DolphinView::setContentsPosition(int x, int y)
 386 {
 387     QAbstractItemView* view = itemView();
 388
 389     // the ColumnView takes care itself for the horizontal scrolling
 390     if (!isColumnViewActive()) {
 391         view->horizontalScrollBar()->setValue(x);
 392     }
 393     view->verticalScrollBar()->setValue(y);
 394
 395     m_loadingDirectory = false;
 396 }
 397
 398 QPoint DolphinView::contentsPosition() const
 399 {
 400     const int x = itemView()->horizontalScrollBar()->value();
 401     const int y = itemView()->verticalScrollBar()->value();
 402     return QPoint(x, y);
 403 }
 404
 405 void DolphinView::setZoomLevel(int level)
 406 {
 407     if (level < ZoomLevelInfo::minimumLevel()) {
 408         level = ZoomLevelInfo::minimumLevel();
 409     } else if (level > ZoomLevelInfo::maximumLevel()) {
 410         level = ZoomLevelInfo::maximumLevel();
 411     }
 412
 413     if (level != zoomLevel()) {
 414         m_controller->setZoomLevel(level);
 415         m_previewGenerator->updateIcons();
 416         emit zoomLevelChanged(level);
 417     }
 418 }
 419
 420 int DolphinView::zoomLevel() const
 421 {
 422     return m_controller->zoomLevel();
 423 }
 424
 425 void DolphinView::setSorting(Sorting sorting)
 426 {
 427     if (sorting != this->sorting()) {
 428         updateSorting(sorting);
 429     }
 430 }
 431
 432 DolphinView::Sorting DolphinView::sorting() const
 433 {
 434     return m_proxyModel->sorting();
 435 }
 436
 437 void DolphinView::setSortOrder(Qt::SortOrder order)
 438 {
 439     if (sortOrder() != order) {
 440         updateSortOrder(order);
 441     }
 442 }
 443
 444 Qt::SortOrder DolphinView::sortOrder() const
 445 {
 446     return m_proxyModel->sortOrder();
 447 }
 448
 449 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 450 {
 451     if (sortFoldersFirst() != foldersFirst) {
 452         updateSortFoldersFirst(foldersFirst);
 453     }
 454 }
 455
 456 bool DolphinView::sortFoldersFirst() const
 457 {
 458     return m_proxyModel->sortFoldersFirst();
 459 }
 460
 461 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 462 {
 463     const KUrl viewPropsUrl = viewPropertiesUrl();
 464     ViewProperties props(viewPropsUrl);
 465     props.setAdditionalInfo(info);
 466     m_fileItemDelegate->setShowInformation(info);
 467
 468     emit additionalInfoChanged();
 469
 470     if (itemView() != m_detailsView) {
 471         // the details view requires no reloading of the directory, as it maps
 472         // the file item delegate info to its columns internally
 473         loadDirectory(viewPropsUrl);
 474     }
 475 }
 476
 477 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 478 {
 479     return m_fileItemDelegate->showInformation();
 480 }
 481
 482 void DolphinView::reload()
 483 {
 484     setUrl(url());
 485     loadDirectory(url(), true);
 486 }
 487
 488 void DolphinView::refresh()
 489 {
 490     m_ignoreViewProperties = false;
 491
 492     const bool oldActivationState = m_active;
 493     const int oldZoomLevel = m_controller->zoomLevel();
 494     m_active = true;
 495
 496     createView();
 497     applyViewProperties(m_controller->url());
 498     reload();
 499
 500     setActive(oldActivationState);
 501     updateZoomLevel(oldZoomLevel);
 502 }
 503
 504 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 505 {
 506     if (m_controller->url() == url) {
 507         return;
 508     }
 509
 510     m_previewGenerator->cancelPreviews();
 511     m_controller->setUrl(url); // emits urlChanged, which we forward
 512
 513     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 514         applyViewProperties(rootUrl);
 515         loadDirectory(rootUrl);
 516         if (itemView() == m_columnView) {
 517             m_columnView->setRootUrl(rootUrl);
 518             m_columnView->showColumn(url);
 519         }
 520     } else {
 521         applyViewProperties(url);
 522         loadDirectory(url);
 523     }
 524
 525     emit startedPathLoading(url);
 526 }
 527
 528 void DolphinView::setNameFilter(const QString& nameFilter)
 529 {
 530     m_proxyModel->setFilterRegExp(nameFilter);
 531
 532     if (isColumnViewActive()) {
 533         // adjusting the directory lister is not enough in the case of the
 534         // column view, as each column has its own directory lister internally...
 535         m_columnView->setNameFilter(nameFilter);
 536     }
 537 }
 538
 539 void DolphinView::calculateItemCount(int& fileCount,
 540                                      int& folderCount,
 541                                      KIO::filesize_t& totalFileSize) const
 542 {
 543     foreach (const KFileItem& item, m_dirLister->items()) {
 544         if (item.isDir()) {
 545             ++folderCount;
 546         } else {
 547             ++fileCount;
 548             totalFileSize += item.size();
 549         }
 550     }
 551 }
 552
 553 QString DolphinView::statusBarText() const
 554 {
 555     QString text;
 556     int folderCount = 0;
 557     int fileCount = 0;
 558     KIO::filesize_t totalFileSize = 0;
 559
 560     if (hasSelection()) {
 561         // give a summary of the status of the selected files
 562         const KFileItemList list = selectedItems();
 563         if (list.isEmpty()) {
 564             // when an item is triggered, it is temporary selected but selectedItems()
 565             // will return an empty list
 566             return text;
 567         }
 568
 569         KFileItemList::const_iterator it = list.begin();
 570         const KFileItemList::const_iterator end = list.end();
 571         while (it != end) {
 572             const KFileItem& item = *it;
 573             if (item.isDir()) {
 574                 ++folderCount;
 575             } else {
 576                 ++fileCount;
 577                 totalFileSize += item.size();
 578             }
 579             ++it;
 580         }
 581
 582         if (folderCount + fileCount == 1) {
 583             // if only one item is selected, show the filename
 584             const QString name = list.first().name();
 585             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 586                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 587                                               name, KIO::convertSize(totalFileSize));
 588         } else {
 589             // at least 2 items are selected
 590             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 591             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 592             if ((folderCount > 0) && (fileCount > 0)) {
 593                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 594                              foldersText, filesText, KIO::convertSize(totalFileSize));
 595             } else if (fileCount > 0) {
 596                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 597             } else {
 598                 Q_ASSERT(folderCount > 0);
 599                 text = foldersText;
 600             }
 601         }
 602     } else {
 603         calculateItemCount(fileCount, folderCount, totalFileSize);
 604         text = KIO::itemsSummaryString(fileCount + folderCount,
 605                                        fileCount, folderCount,
 606                                        totalFileSize, true);
 607     }
 608
 609     return text;
 610 }
 611
 612 QList<QAction*> DolphinView::revisionControlActions(const KFileItemList& items) const
 613 {
 614     return m_revisionControlObserver->contextMenuActions(items);
 615 }
 616
 617 void DolphinView::setUrl(const KUrl& url)
 618 {
 619     m_newFileNames.clear();
 620     updateView(url, KUrl());
 621 }
 622
 623 void DolphinView::changeSelection(const KFileItemList& selection)
 624 {
 625     clearSelection();
 626     if (selection.isEmpty()) {
 627         return;
 628     }
 629     const KUrl& baseUrl = url();
 630     KUrl url;
 631     QItemSelection newSelection;
 632     foreach(const KFileItem& item, selection) {
 633         url = item.url().upUrl();
 634         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 635             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 636             newSelection.select(index, index);
 637         }
 638     }
 639     itemView()->selectionModel()->select(newSelection,
 640                                          QItemSelectionModel::ClearAndSelect
 641                                          | QItemSelectionModel::Current);
 642 }
 643
 644 void DolphinView::renameSelectedItems()
 645 {
 646     KFileItemList items = selectedItems();
 647     const int itemCount = items.count();
 648     if (itemCount < 1) {
 649         return;
 650     }
 651
 652     if (itemCount > 1) {
 653         // More than one item has been selected for renaming. Open
 654         // a rename dialog and rename all items afterwards.
 655         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 656         if (dialog->exec() == QDialog::Rejected) {
 657             delete dialog;
 658             return;
 659         }
 660
 661         const QString newName = dialog->newName();
 662         if (newName.isEmpty()) {
 663             emit errorMessage(dialog->errorString());
 664             delete dialog;
 665             return;
 666         }
 667         delete dialog;
 668
 669         // the selection would be invalid after renaming the items, so just clear
 670         // it before
 671         clearSelection();
 672
 673         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 674         // as one operation instead of n rename operations like it is done now...
 675         Q_ASSERT(newName.contains('#'));
 676
 677         // currently the items are sorted by the selection order, resort
 678         // them by the file name
 679         qSort(items.begin(), items.end(), lessThan);
 680
 681         // iterate through all selected items and rename them...
 682         int index = 1;
 683         foreach (const KFileItem& item, items) {
 684             const KUrl& oldUrl = item.url();
 685             QString number;
 686             number.setNum(index++);
 687
 688             QString name = newName;
 689             name.replace('#', number);
 690
 691             if (oldUrl.fileName() != name) {
 692                 KUrl newUrl = oldUrl;
 693                 newUrl.setFileName(name);
 694                 KonqOperations::rename(this, oldUrl, newUrl);
 695             }
 696         }
 697     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 698         Q_ASSERT(itemCount == 1);
 699
 700         if (isColumnViewActive()) {
 701             m_columnView->editItem(items.first());
 702         } else {
 703             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 704             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 705             itemView()->edit(proxyIndex);
 706         }
 707     } else {
 708         Q_ASSERT(itemCount == 1);
 709
 710         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 711         if (dialog->exec() == QDialog::Rejected) {
 712             delete dialog;
 713             return;
 714         }
 715
 716         const QString newName = dialog->newName();
 717         if (newName.isEmpty()) {
 718             emit errorMessage(dialog->errorString());
 719             delete dialog;
 720             return;
 721         }
 722         delete dialog;
 723
 724         const KUrl& oldUrl = items.first().url();
 725         KUrl newUrl = oldUrl;
 726         newUrl.setFileName(newName);
 727         KonqOperations::rename(this, oldUrl, newUrl);
 728     }
 729
 730     // assure that the current index remains visible when KDirLister
 731     // will notify the view about changed items
 732     m_assureVisibleCurrentIndex = true;
 733 }
 734
 735 void DolphinView::trashSelectedItems()
 736 {
 737     const KUrl::List list = simplifiedSelectedUrls();
 738     KonqOperations::del(this, KonqOperations::TRASH, list);
 739 }
 740
 741 void DolphinView::deleteSelectedItems()
 742 {
 743     const KUrl::List list = simplifiedSelectedUrls();
 744     const bool del = KonqOperations::askDeleteConfirmation(list,
 745                      KonqOperations::DEL,
 746                      KonqOperations::DEFAULT_CONFIRMATION,
 747                      this);
 748
 749     if (del) {
 750         KIO::Job* job = KIO::del(list);
 751         connect(job, SIGNAL(result(KJob*)),
 752                 this, SLOT(slotDeleteFileFinished(KJob*)));
 753     }
 754 }
 755
 756 void DolphinView::cutSelectedItems()
 757 {
 758     QMimeData* mimeData = selectionMimeData();
 759     KonqMimeData::addIsCutSelection(mimeData, true);
 760     QApplication::clipboard()->setMimeData(mimeData);
 761 }
 762
 763 void DolphinView::copySelectedItems()
 764 {
 765     QMimeData* mimeData = selectionMimeData();
 766     QApplication::clipboard()->setMimeData(mimeData);
 767 }
 768
 769 void DolphinView::paste()
 770 {
 771     pasteToUrl(url());
 772 }
 773
 774 void DolphinView::pasteIntoFolder()
 775 {
 776     const KFileItemList items = selectedItems();
 777     if ((items.count() == 1) && items.first().isDir()) {
 778         pasteToUrl(items.first().url());
 779     }
 780 }
 781
 782 void DolphinView::setShowPreview(bool show)
 783 {
 784     if (m_showPreview == show) {
 785         return;
 786     }
 787
 788     const KUrl viewPropsUrl = viewPropertiesUrl();
 789     ViewProperties props(viewPropsUrl);
 790     props.setShowPreview(show);
 791
 792     m_showPreview = show;
 793     m_previewGenerator->setPreviewShown(show);
 794
 795     const int oldZoomLevel = m_controller->zoomLevel();
 796     emit showPreviewChanged();
 797
 798     // Enabling or disabling the preview might change the icon size of the view.
 799     // As the view does not emit a signal when the icon size has been changed,
 800     // the used zoom level of the controller must be adjusted manually:
 801     updateZoomLevel(oldZoomLevel);
 802
 803     loadDirectory(viewPropsUrl);
 804 }
 805
 806 void DolphinView::setShowHiddenFiles(bool show)
 807 {
 808     if (m_dirLister->showingDotFiles() == show) {
 809         return;
 810     }
 811
 812     const KUrl viewPropsUrl = viewPropertiesUrl();
 813     ViewProperties props(viewPropsUrl);
 814     props.setShowHiddenFiles(show);
 815
 816     m_dirLister->setShowingDotFiles(show);
 817     emit showHiddenFilesChanged();
 818
 819     loadDirectory(viewPropsUrl);
 820 }
 821
 822 void DolphinView::setCategorizedSorting(bool categorized)
 823 {
 824     if (categorized == categorizedSorting()) {
 825         return;
 826     }
 827
 828     // setCategorizedSorting(true) may only get invoked
 829     // if the view supports categorized sorting
 830     Q_ASSERT(!categorized || supportsCategorizedSorting());
 831
 832     ViewProperties props(viewPropertiesUrl());
 833     props.setCategorizedSorting(categorized);
 834     props.save();
 835
 836     m_storedCategorizedSorting = categorized;
 837     m_proxyModel->setCategorizedModel(categorized);
 838
 839     emit categorizedSortingChanged();
 840 }
 841
 842 void DolphinView::toggleSortOrder()
 843 {
 844     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 845                                 Qt::DescendingOrder :
 846                                 Qt::AscendingOrder;
 847     setSortOrder(order);
 848 }
 849
 850 void DolphinView::toggleSortFoldersFirst()
 851 {
 852     setSortFoldersFirst(!sortFoldersFirst());
 853 }
 854
 855 void DolphinView::toggleAdditionalInfo(QAction* action)
 856 {
 857     const KFileItemDelegate::Information info =
 858         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 859
 860     KFileItemDelegate::InformationList list = additionalInfo();
 861
 862     const bool show = action->isChecked();
 863
 864     const int index = list.indexOf(info);
 865     const bool containsInfo = (index >= 0);
 866     if (show && !containsInfo) {
 867         list.append(info);
 868         setAdditionalInfo(list);
 869     } else if (!show && containsInfo) {
 870         list.removeAt(index);
 871         setAdditionalInfo(list);
 872         Q_ASSERT(list.indexOf(info) < 0);
 873     }
 874 }
 875
 876 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 877 {
 878     QWidget::mouseReleaseEvent(event);
 879     setActive(true);
 880 }
 881
 882 void DolphinView::wheelEvent(QWheelEvent* event)
 883 {
 884     if (event->modifiers() & Qt::ControlModifier) {
 885         const int delta = event->delta();
 886         const int level = zoomLevel();
 887         if (delta > 0) {
 888             setZoomLevel(level + 1);
 889         } else if (delta < 0) {
 890             setZoomLevel(level - 1);
 891         }
 892         event->accept();
 893     }
 894 }
 895
 896 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 897 {
 898     switch (event->type()) {
 899     case QEvent::FocusIn:
 900         if (watched == itemView()) {
 901             m_controller->requestActivation();
 902         }
 903         break;
 904
 905     case QEvent::MouseButtonPress:
 906         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 907             // Listening to a mousebutton press event to delete expanded views is a
 908             // workaround, as it seems impossible for the FolderExpander to know when
 909             // a dragging outside a view has been finished. However it works quite well:
 910             // A mousebutton press event indicates that a drag operation must be
 911             // finished already.
 912             m_expandedDragSource->deleteLater();
 913             m_expandedDragSource = 0;
 914         }
 915         break;
 916
 917     case QEvent::DragEnter:
 918         if (watched == itemView()->viewport()) {
 919             setActive(true);
 920         }
 921         break;
 922
 923     case QEvent::KeyPress:
 924         if (watched == itemView()) {
 925             if (m_toolTipManager != 0) {
 926                 m_toolTipManager->hideTip();
 927             }
 928
 929             // clear the selection when Escape has been pressed
 930             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 931             if (keyEvent->key() == Qt::Key_Escape) {
 932                 clearSelection();
 933             }
 934         }
 935         break;
 936
 937     default:
 938         break;
 939     }
 940
 941     return QWidget::eventFilter(watched, event);
 942 }
 943
 944 void DolphinView::activate()
 945 {
 946     setActive(true);
 947 }
 948
 949 void DolphinView::triggerItem(const KFileItem& item)
 950 {
 951     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 952     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 953         // items are selected by the user, hence don't trigger the
 954         // item specified by 'index'
 955         return;
 956     }
 957
 958     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 959     if (item.isNull() || m_isContextMenuOpen) {
 960         return;
 961     }
 962
 963     if (m_toolTipManager != 0) {
 964         m_toolTipManager->hideTip();
 965     }
 966     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 967 }
 968
 969 void DolphinView::emitDelayedSelectionChangedSignal()
 970 {
 971     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 972     // that fast selection changes don't result in expensive operations to
 973     // collect all file items for the signal (see DolphinView::selectedItems()).
 974     m_selectionChangedTimer->start();
 975 }
 976
 977 void DolphinView::emitSelectionChangedSignal()
 978 {
 979     emit selectionChanged(DolphinView::selectedItems());
 980 }
 981
 982 void DolphinView::openContextMenu(const QPoint& pos,
 983                                   const QList<QAction*>& customActions)
 984 {
 985     KFileItem item;
 986     if (isColumnViewActive()) {
 987         item = m_columnView->itemAt(pos);
 988     } else {
 989         const QModelIndex index = itemView()->indexAt(pos);
 990         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 991             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 992             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 993         }
 994     }
 995
 996     if (m_toolTipManager != 0) {
 997         m_toolTipManager->hideTip();
 998     }
 999
1000     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
1001     emit requestContextMenu(item, url(), customActions);
1002     m_isContextMenuOpen = false;
1003 }
1004
1005 void DolphinView::dropUrls(const KFileItem& destItem,
1006                            const KUrl& destPath,
1007                            QDropEvent* event)
1008 {
1009     addNewFileNames(event->mimeData());
1010     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
1011 }
1012
1013 void DolphinView::updateSorting(DolphinView::Sorting sorting)
1014 {
1015     ViewProperties props(viewPropertiesUrl());
1016     props.setSorting(sorting);
1017
1018     m_proxyModel->setSorting(sorting);
1019
1020     emit sortingChanged(sorting);
1021 }
1022
1023 void DolphinView::updateSortOrder(Qt::SortOrder order)
1024 {
1025     ViewProperties props(viewPropertiesUrl());
1026     props.setSortOrder(order);
1027
1028     m_proxyModel->setSortOrder(order);
1029
1030     emit sortOrderChanged(order);
1031 }
1032
1033 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1034 {
1035     ViewProperties props(viewPropertiesUrl());
1036     props.setSortFoldersFirst(foldersFirst);
1037
1038     m_proxyModel->setSortFoldersFirst(foldersFirst);
1039
1040     emit sortFoldersFirstChanged(foldersFirst);
1041 }
1042
1043 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1044 {
1045     ViewProperties props(viewPropertiesUrl());
1046     props.setAdditionalInfo(info);
1047     props.save();
1048
1049     m_fileItemDelegate->setShowInformation(info);
1050
1051     emit additionalInfoChanged();
1052 }
1053
1054 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1055 {
1056     const bool enable = (m_mode == DolphinView::DetailsView) ||
1057                         (m_mode == DolphinView::IconsView);
1058
1059     QAction* showSizeInfo = collection->action("show_size_info");
1060     QAction* showDateInfo = collection->action("show_date_info");
1061     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1062     QAction* showOwnerInfo = collection->action("show_owner_info");
1063     QAction* showGroupInfo = collection->action("show_group_info");
1064     QAction* showMimeInfo = collection->action("show_mime_info");
1065
1066     showSizeInfo->setChecked(false);
1067     showDateInfo->setChecked(false);
1068     showPermissionsInfo->setChecked(false);
1069     showOwnerInfo->setChecked(false);
1070     showGroupInfo->setChecked(false);
1071     showMimeInfo->setChecked(false);
1072
1073     showSizeInfo->setEnabled(enable);
1074     showDateInfo->setEnabled(enable);
1075     showPermissionsInfo->setEnabled(enable);
1076     showOwnerInfo->setEnabled(enable);
1077     showGroupInfo->setEnabled(enable);
1078     showMimeInfo->setEnabled(enable);
1079
1080     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1081         switch (info) {
1082         case KFileItemDelegate::Size:
1083             showSizeInfo->setChecked(true);
1084             break;
1085         case KFileItemDelegate::ModificationTime:
1086             showDateInfo->setChecked(true);
1087             break;
1088         case KFileItemDelegate::Permissions:
1089             showPermissionsInfo->setChecked(true);
1090             break;
1091         case KFileItemDelegate::Owner:
1092             showOwnerInfo->setChecked(true);
1093             break;
1094         case KFileItemDelegate::OwnerAndGroup:
1095             showGroupInfo->setChecked(true);
1096             break;
1097         case KFileItemDelegate::FriendlyMimeType:
1098             showMimeInfo->setChecked(true);
1099             break;
1100         default:
1101             break;
1102         }
1103     }
1104 }
1105
1106 QPair<bool, QString> DolphinView::pasteInfo() const
1107 {
1108     return KonqOperations::pasteInfo(url());
1109 }
1110
1111 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1112 {
1113     m_tabsForFiles = tabsForFiles;
1114 }
1115
1116 bool DolphinView::isTabsForFilesEnabled() const
1117 {
1118     return m_tabsForFiles;
1119 }
1120
1121 void DolphinView::activateItem(const KUrl& url)
1122 {
1123     m_activeItemUrl = url;
1124 }
1125
1126 bool DolphinView::itemsExpandable() const
1127 {
1128     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1129 }
1130
1131 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1132 {
1133     if (view == 0)
1134         return;
1135
1136     if (DragAndDropHelper::instance().isDragSource(view)) {
1137         // We must store for later deletion.
1138         if (m_expandedDragSource != 0) {
1139             // The old stored view is obviously not the drag source anymore.
1140             m_expandedDragSource->deleteLater();
1141             m_expandedDragSource = 0;
1142         }
1143         view->hide();
1144         m_expandedDragSource = view;
1145     }
1146     else {
1147         view->deleteLater();
1148     }
1149 }
1150
1151 void DolphinView::observeCreatedItem(const KUrl& url)
1152 {
1153     m_createdItemUrl = url;
1154     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1155             this, SLOT(selectAndScrollToCreatedItem()));
1156 }
1157
1158 void DolphinView::selectAndScrollToCreatedItem()
1159 {
1160     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1161     if (dirIndex.isValid()) {
1162         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1163         itemView()->setCurrentIndex(proxyIndex);
1164     }
1165
1166     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1167                this, SLOT(selectAndScrollToCreatedItem()));
1168     m_createdItemUrl = KUrl();
1169 }
1170
1171 void DolphinView::restoreSelection()
1172 {
1173     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1174     changeSelection(m_selectedItems);
1175 }
1176
1177 void DolphinView::emitContentsMoved()
1178 {
1179     // only emit the contents moved signal if:
1180     // - no directory loading is ongoing (this would reset the contents position
1181     //   always to (0, 0))
1182     // - if the Column View is active: the column view does an automatic
1183     //   positioning during the loading operation, which must be remembered
1184     if (!m_loadingDirectory || isColumnViewActive()) {
1185         const QPoint pos(contentsPosition());
1186         emit contentsMoved(pos.x(), pos.y());
1187     }
1188 }
1189
1190 void DolphinView::showHoverInformation(const KFileItem& item)
1191 {
1192     emit requestItemInfo(item);
1193 }
1194
1195 void DolphinView::clearHoverInformation()
1196 {
1197     emit requestItemInfo(KFileItem());
1198 }
1199
1200 void DolphinView::slotDeleteFileFinished(KJob* job)
1201 {
1202     if (job->error() == 0) {
1203         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1204     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1205         emit errorMessage(job->errorString());
1206     }
1207 }
1208
1209 void DolphinView::slotRequestUrlChange(const KUrl& url)
1210 {
1211     emit requestUrlChange(url);
1212     m_controller->setUrl(url);
1213 }
1214
1215 void DolphinView::slotDirListerCompleted()
1216 {
1217     if (!m_activeItemUrl.isEmpty()) {
1218         // assure that the current item remains visible
1219         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_activeItemUrl);
1220         if (dirIndex.isValid()) {
1221             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1222             QAbstractItemView* view = itemView();
1223             const bool clearSelection = !hasSelection();
1224             view->setCurrentIndex(proxyIndex);
1225             if (clearSelection) {
1226                 view->clearSelection();
1227             }
1228             m_activeItemUrl.clear();
1229         }
1230     }
1231
1232     if (!m_newFileNames.isEmpty()) {
1233         // select all newly added items created by a paste operation or
1234         // a drag & drop operation
1235         const int rowCount = m_proxyModel->rowCount();
1236         QItemSelection selection;
1237         for (int row = 0; row < rowCount; ++row) {
1238             const QModelIndex proxyIndex = m_proxyModel->index(row, 0);
1239             const QModelIndex dirIndex = m_proxyModel->mapToSource(proxyIndex);
1240             const KUrl url = m_dolphinModel->itemForIndex(dirIndex).url();
1241             if (m_newFileNames.contains(url.fileName())) {
1242                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1243             }
1244         }
1245         itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1246
1247         m_newFileNames.clear();
1248     }
1249 }
1250
1251 void DolphinView::slotRefreshItems()
1252 {
1253     if (m_assureVisibleCurrentIndex) {
1254         m_assureVisibleCurrentIndex = false;
1255         itemView()->scrollTo(itemView()->currentIndex());
1256     }
1257 }
1258
1259 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1260 {
1261     if (!url.isValid()) {
1262         const QString location(url.pathOrUrl());
1263         if (location.isEmpty()) {
1264             emit errorMessage(i18nc("@info:status", "The location is empty."));
1265         } else {
1266             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1267         }
1268         return;
1269     }
1270
1271     m_loadingDirectory = true;
1272
1273     if (reload) {
1274         m_selectedItems = selectedItems();
1275         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1276     }
1277
1278     m_dirLister->stop();
1279     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1280
1281     if (isColumnViewActive()) {
1282         // adjusting the directory lister is not enough in the case of the
1283         // column view, as each column has its own directory lister internally...
1284         if (reload) {
1285             m_columnView->reload();
1286         } else {
1287             m_columnView->showColumn(url);
1288         }
1289     }
1290 }
1291
1292 KUrl DolphinView::viewPropertiesUrl() const
1293 {
1294     if (isColumnViewActive()) {
1295         return m_columnView->rootUrl();
1296     }
1297
1298     return url();
1299 }
1300
1301 void DolphinView::applyViewProperties(const KUrl& url)
1302 {
1303     if (m_ignoreViewProperties) {
1304         return;
1305     }
1306
1307     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1308         // The column view is active, hence don't apply the view properties
1309         // of sub directories (represented by columns) to the view. The
1310         // view always represents the properties of the first column.
1311         return;
1312     }
1313
1314     const ViewProperties props(url);
1315
1316     const Mode mode = props.viewMode();
1317     if (m_mode != mode) {
1318         const int oldZoomLevel = m_controller->zoomLevel();
1319
1320         m_mode = mode;
1321         createView();
1322         emit modeChanged();
1323
1324         updateZoomLevel(oldZoomLevel);
1325     }
1326     if (itemView() == 0) {
1327         createView();
1328     }
1329     Q_ASSERT(itemView() != 0);
1330     Q_ASSERT(m_fileItemDelegate != 0);
1331
1332     const bool showHiddenFiles = props.showHiddenFiles();
1333     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1334         m_dirLister->setShowingDotFiles(showHiddenFiles);
1335         emit showHiddenFilesChanged();
1336     }
1337
1338     m_storedCategorizedSorting = props.categorizedSorting();
1339     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1340     if (categorized != m_proxyModel->isCategorizedModel()) {
1341         m_proxyModel->setCategorizedModel(categorized);
1342         emit categorizedSortingChanged();
1343     }
1344
1345     const DolphinView::Sorting sorting = props.sorting();
1346     if (sorting != m_proxyModel->sorting()) {
1347         m_proxyModel->setSorting(sorting);
1348         emit sortingChanged(sorting);
1349     }
1350
1351     const Qt::SortOrder sortOrder = props.sortOrder();
1352     if (sortOrder != m_proxyModel->sortOrder()) {
1353         m_proxyModel->setSortOrder(sortOrder);
1354         emit sortOrderChanged(sortOrder);
1355     }
1356
1357     const bool sortFoldersFirst = props.sortFoldersFirst();
1358     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1359         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1360         emit sortFoldersFirstChanged(sortFoldersFirst);
1361     }
1362
1363     KFileItemDelegate::InformationList info = props.additionalInfo();
1364     if (info != m_fileItemDelegate->showInformation()) {
1365         m_fileItemDelegate->setShowInformation(info);
1366         emit additionalInfoChanged();
1367     }
1368
1369     const bool showPreview = props.showPreview();
1370     if (showPreview != m_showPreview) {
1371         m_showPreview = showPreview;
1372         m_previewGenerator->setPreviewShown(showPreview);
1373
1374         const int oldZoomLevel = m_controller->zoomLevel();
1375         emit showPreviewChanged();
1376
1377         // Enabling or disabling the preview might change the icon size of the view.
1378         // As the view does not emit a signal when the icon size has been changed,
1379         // the used zoom level of the controller must be adjusted manually:
1380         updateZoomLevel(oldZoomLevel);
1381     }
1382
1383     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1384         // During the lifetime of a DolphinView instance the global view properties
1385         // should not be changed. This allows e. g. to split a view and use different
1386         // view properties for each view.
1387         m_ignoreViewProperties = true;
1388     }
1389 }
1390
1391 void DolphinView::createView()
1392 {
1393     deleteView();
1394     Q_ASSERT(m_iconsView == 0);
1395     Q_ASSERT(m_detailsView == 0);
1396     Q_ASSERT(m_columnView == 0);
1397
1398     QAbstractItemView* view = 0;
1399     switch (m_mode) {
1400     case IconsView: {
1401         m_iconsView = new DolphinIconsView(this, m_controller);
1402         view = m_iconsView;
1403         break;
1404     }
1405
1406     case DetailsView:
1407         m_detailsView = new DolphinDetailsView(this, m_controller);
1408         view = m_detailsView;
1409         break;
1410
1411     case ColumnView:
1412         m_columnView = new DolphinColumnView(this, m_controller);
1413         view = m_columnView;
1414         break;
1415     }
1416
1417     Q_ASSERT(view != 0);
1418     view->installEventFilter(this);
1419     view->viewport()->installEventFilter(this);
1420     setFocusProxy(view);
1421
1422     if (m_mode != ColumnView) {
1423         // Give the view the ability to auto-expand its directories on hovering
1424         // (the column view takes care about this itself). If the details view
1425         // uses expandable folders, the auto-expanding should be used always.
1426         DolphinSettings& settings = DolphinSettings::instance();
1427         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1428                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1429
1430         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1431         folderExpander->setEnabled(enabled);
1432         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1433                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1434     }
1435     else {
1436         // Listen out for requests to delete the current column.
1437         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1438                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1439     }
1440
1441     m_controller->setItemView(view);
1442
1443     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1444     m_fileItemDelegate->setShowToolTipWhenElided(false);
1445     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1446     view->setItemDelegate(m_fileItemDelegate);
1447
1448     view->setModel(m_proxyModel);
1449     if (m_selectionModel != 0) {
1450         view->setSelectionModel(m_selectionModel);
1451     } else {
1452         m_selectionModel = view->selectionModel();
1453     }
1454
1455     m_selectionChangedTimer = new QTimer(this);
1456     m_selectionChangedTimer->setSingleShot(true);
1457     m_selectionChangedTimer->setInterval(300);
1458     connect(m_selectionChangedTimer, SIGNAL(timeout()),
1459             this, SLOT(emitSelectionChangedSignal()));
1460
1461     // reparent the selection model, as it should not be deleted
1462     // when deleting the model
1463     m_selectionModel->setParent(this);
1464
1465     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1466
1467     m_previewGenerator = new KFilePreviewGenerator(view);
1468     m_previewGenerator->setPreviewShown(m_showPreview);
1469
1470     m_revisionControlObserver = new RevisionControlObserver(view);
1471
1472     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1473         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1474         connect(m_controller, SIGNAL(hideToolTip()),
1475                 m_toolTipManager, SLOT(hideTip()));
1476     }
1477
1478     m_topLayout->insertWidget(1, view);
1479
1480     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1481             this, SLOT(emitDelayedSelectionChangedSignal()));
1482     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1483             this, SLOT(emitContentsMoved()));
1484     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1485             this, SLOT(emitContentsMoved()));
1486 }
1487
1488 void DolphinView::deleteView()
1489 {
1490     QAbstractItemView* view = itemView();
1491     if (view != 0) {
1492         // It's important to set the keyboard focus to the parent
1493         // before deleting the view: Otherwise when having a split
1494         // view the other view will get the focus and will request
1495         // an activation (see DolphinView::eventFilter()).
1496         setFocusProxy(0);
1497         setFocus();
1498
1499         m_topLayout->removeWidget(view);
1500         view->close();
1501
1502         // m_previewGenerator's parent is not always destroyed, and we
1503         // don't want two active at once - manually delete.
1504         delete m_previewGenerator;
1505         m_previewGenerator = 0;
1506
1507         disconnect(view);
1508         m_controller->disconnect(view);
1509         view->disconnect();
1510
1511         deleteWhenNotDragSource(view);
1512         view = 0;
1513
1514         m_iconsView = 0;
1515         m_detailsView = 0;
1516         m_columnView = 0;
1517         m_fileItemDelegate = 0;
1518         m_toolTipManager = 0;
1519     }
1520 }
1521
1522 QAbstractItemView* DolphinView::itemView() const
1523 {
1524     if (m_detailsView != 0) {
1525         return m_detailsView;
1526     } else if (m_columnView != 0) {
1527         return m_columnView;
1528     }
1529
1530     return m_iconsView;
1531 }
1532
1533 void DolphinView::pasteToUrl(const KUrl& url)
1534 {
1535     addNewFileNames(QApplication::clipboard()->mimeData());
1536     KonqOperations::doPaste(this, url);
1537 }
1538
1539 void DolphinView::updateZoomLevel(int oldZoomLevel)
1540 {
1541     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1542     if (oldZoomLevel != newZoomLevel) {
1543         m_controller->setZoomLevel(newZoomLevel);
1544         emit zoomLevelChanged(newZoomLevel);
1545     }
1546 }
1547
1548 KUrl::List DolphinView::simplifiedSelectedUrls() const
1549 {
1550     KUrl::List list = selectedUrls();
1551     if (itemsExpandable() ) {
1552         list = KDirModel::simplifiedUrlList(list);
1553     }
1554     return list;
1555 }
1556
1557 QMimeData* DolphinView::selectionMimeData() const
1558 {
1559     if (isColumnViewActive()) {
1560         return m_columnView->selectionMimeData();
1561     }
1562
1563     const QAbstractItemView* view = itemView();
1564     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1565     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1566     return m_dolphinModel->mimeData(selection.indexes());
1567 }
1568
1569 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1570 {
1571     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1572     foreach (const KUrl& url, urls) {
1573         m_newFileNames.insert(url.fileName());
1574     }
1575 }
1576
1577 #include "dolphinview.moc"