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     // When changing the URL there is no need to keep the revision
 526     // data of the previous URL.
 527     m_dolphinModel->clearRevisionData();
 528
 529     emit startedPathLoading(url);
 530 }
 531
 532 void DolphinView::setNameFilter(const QString& nameFilter)
 533 {
 534     m_proxyModel->setFilterRegExp(nameFilter);
 535
 536     if (isColumnViewActive()) {
 537         // adjusting the directory lister is not enough in the case of the
 538         // column view, as each column has its own directory lister internally...
 539         m_columnView->setNameFilter(nameFilter);
 540     }
 541 }
 542
 543 void DolphinView::calculateItemCount(int& fileCount,
 544                                      int& folderCount,
 545                                      KIO::filesize_t& totalFileSize) const
 546 {
 547     foreach (const KFileItem& item, m_dirLister->items()) {
 548         if (item.isDir()) {
 549             ++folderCount;
 550         } else {
 551             ++fileCount;
 552             totalFileSize += item.size();
 553         }
 554     }
 555 }
 556
 557 QString DolphinView::statusBarText() const
 558 {
 559     QString text;
 560     int folderCount = 0;
 561     int fileCount = 0;
 562     KIO::filesize_t totalFileSize = 0;
 563
 564     if (hasSelection()) {
 565         // give a summary of the status of the selected files
 566         const KFileItemList list = selectedItems();
 567         if (list.isEmpty()) {
 568             // when an item is triggered, it is temporary selected but selectedItems()
 569             // will return an empty list
 570             return text;
 571         }
 572
 573         KFileItemList::const_iterator it = list.begin();
 574         const KFileItemList::const_iterator end = list.end();
 575         while (it != end) {
 576             const KFileItem& item = *it;
 577             if (item.isDir()) {
 578                 ++folderCount;
 579             } else {
 580                 ++fileCount;
 581                 totalFileSize += item.size();
 582             }
 583             ++it;
 584         }
 585
 586         if (folderCount + fileCount == 1) {
 587             // if only one item is selected, show the filename
 588             const QString name = list.first().name();
 589             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 590                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 591                                               name, KIO::convertSize(totalFileSize));
 592         } else {
 593             // at least 2 items are selected
 594             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 595             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 596             if ((folderCount > 0) && (fileCount > 0)) {
 597                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 598                              foldersText, filesText, KIO::convertSize(totalFileSize));
 599             } else if (fileCount > 0) {
 600                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 601             } else {
 602                 Q_ASSERT(folderCount > 0);
 603                 text = foldersText;
 604             }
 605         }
 606     } else {
 607         calculateItemCount(fileCount, folderCount, totalFileSize);
 608         text = KIO::itemsSummaryString(fileCount + folderCount,
 609                                        fileCount, folderCount,
 610                                        totalFileSize, true);
 611     }
 612
 613     return text;
 614 }
 615
 616 QList<QAction*> DolphinView::revisionControlActions(const KFileItemList& items) const
 617 {
 618     return items.isEmpty()
 619            ? m_revisionControlObserver->contextMenuActions(url().path(KUrl::AddTrailingSlash))
 620            : m_revisionControlObserver->contextMenuActions(items);
 621 }
 622
 623 void DolphinView::setUrl(const KUrl& url)
 624 {
 625     m_newFileNames.clear();
 626     updateView(url, KUrl());
 627 }
 628
 629 void DolphinView::changeSelection(const KFileItemList& selection)
 630 {
 631     clearSelection();
 632     if (selection.isEmpty()) {
 633         return;
 634     }
 635     const KUrl& baseUrl = url();
 636     KUrl url;
 637     QItemSelection newSelection;
 638     foreach(const KFileItem& item, selection) {
 639         url = item.url().upUrl();
 640         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 641             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 642             newSelection.select(index, index);
 643         }
 644     }
 645     itemView()->selectionModel()->select(newSelection,
 646                                          QItemSelectionModel::ClearAndSelect
 647                                          | QItemSelectionModel::Current);
 648 }
 649
 650 void DolphinView::renameSelectedItems()
 651 {
 652     KFileItemList items = selectedItems();
 653     const int itemCount = items.count();
 654     if (itemCount < 1) {
 655         return;
 656     }
 657
 658     if (itemCount > 1) {
 659         // More than one item has been selected for renaming. Open
 660         // a rename dialog and rename all items afterwards.
 661         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 662         if (dialog->exec() == QDialog::Rejected) {
 663             delete dialog;
 664             return;
 665         }
 666
 667         const QString newName = dialog->newName();
 668         if (newName.isEmpty()) {
 669             emit errorMessage(dialog->errorString());
 670             delete dialog;
 671             return;
 672         }
 673         delete dialog;
 674
 675         // the selection would be invalid after renaming the items, so just clear
 676         // it before
 677         clearSelection();
 678
 679         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 680         // as one operation instead of n rename operations like it is done now...
 681         Q_ASSERT(newName.contains('#'));
 682
 683         // currently the items are sorted by the selection order, resort
 684         // them by the file name
 685         qSort(items.begin(), items.end(), lessThan);
 686
 687         // iterate through all selected items and rename them...
 688         int index = 1;
 689         foreach (const KFileItem& item, items) {
 690             const KUrl& oldUrl = item.url();
 691             QString number;
 692             number.setNum(index++);
 693
 694             QString name = newName;
 695             name.replace('#', number);
 696
 697             if (oldUrl.fileName() != name) {
 698                 KUrl newUrl = oldUrl;
 699                 newUrl.setFileName(name);
 700                 KonqOperations::rename(this, oldUrl, newUrl);
 701             }
 702         }
 703     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 704         Q_ASSERT(itemCount == 1);
 705
 706         if (isColumnViewActive()) {
 707             m_columnView->editItem(items.first());
 708         } else {
 709             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 710             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 711             itemView()->edit(proxyIndex);
 712         }
 713     } else {
 714         Q_ASSERT(itemCount == 1);
 715
 716         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 717         if (dialog->exec() == QDialog::Rejected) {
 718             delete dialog;
 719             return;
 720         }
 721
 722         const QString newName = dialog->newName();
 723         if (newName.isEmpty()) {
 724             emit errorMessage(dialog->errorString());
 725             delete dialog;
 726             return;
 727         }
 728         delete dialog;
 729
 730         const KUrl& oldUrl = items.first().url();
 731         KUrl newUrl = oldUrl;
 732         newUrl.setFileName(newName);
 733         KonqOperations::rename(this, oldUrl, newUrl);
 734     }
 735
 736     // assure that the current index remains visible when KDirLister
 737     // will notify the view about changed items
 738     m_assureVisibleCurrentIndex = true;
 739 }
 740
 741 void DolphinView::trashSelectedItems()
 742 {
 743     const KUrl::List list = simplifiedSelectedUrls();
 744     KonqOperations::del(this, KonqOperations::TRASH, list);
 745 }
 746
 747 void DolphinView::deleteSelectedItems()
 748 {
 749     const KUrl::List list = simplifiedSelectedUrls();
 750     const bool del = KonqOperations::askDeleteConfirmation(list,
 751                      KonqOperations::DEL,
 752                      KonqOperations::DEFAULT_CONFIRMATION,
 753                      this);
 754
 755     if (del) {
 756         KIO::Job* job = KIO::del(list);
 757         connect(job, SIGNAL(result(KJob*)),
 758                 this, SLOT(slotDeleteFileFinished(KJob*)));
 759     }
 760 }
 761
 762 void DolphinView::cutSelectedItems()
 763 {
 764     QMimeData* mimeData = selectionMimeData();
 765     KonqMimeData::addIsCutSelection(mimeData, true);
 766     QApplication::clipboard()->setMimeData(mimeData);
 767 }
 768
 769 void DolphinView::copySelectedItems()
 770 {
 771     QMimeData* mimeData = selectionMimeData();
 772     QApplication::clipboard()->setMimeData(mimeData);
 773 }
 774
 775 void DolphinView::paste()
 776 {
 777     pasteToUrl(url());
 778 }
 779
 780 void DolphinView::pasteIntoFolder()
 781 {
 782     const KFileItemList items = selectedItems();
 783     if ((items.count() == 1) && items.first().isDir()) {
 784         pasteToUrl(items.first().url());
 785     }
 786 }
 787
 788 void DolphinView::setShowPreview(bool show)
 789 {
 790     if (m_showPreview == show) {
 791         return;
 792     }
 793
 794     const KUrl viewPropsUrl = viewPropertiesUrl();
 795     ViewProperties props(viewPropsUrl);
 796     props.setShowPreview(show);
 797
 798     m_showPreview = show;
 799     m_previewGenerator->setPreviewShown(show);
 800
 801     const int oldZoomLevel = m_controller->zoomLevel();
 802     emit showPreviewChanged();
 803
 804     // Enabling or disabling the preview might change the icon size of the view.
 805     // As the view does not emit a signal when the icon size has been changed,
 806     // the used zoom level of the controller must be adjusted manually:
 807     updateZoomLevel(oldZoomLevel);
 808
 809     loadDirectory(viewPropsUrl);
 810 }
 811
 812 void DolphinView::setShowHiddenFiles(bool show)
 813 {
 814     if (m_dirLister->showingDotFiles() == show) {
 815         return;
 816     }
 817
 818     const KUrl viewPropsUrl = viewPropertiesUrl();
 819     ViewProperties props(viewPropsUrl);
 820     props.setShowHiddenFiles(show);
 821
 822     m_dirLister->setShowingDotFiles(show);
 823     emit showHiddenFilesChanged();
 824
 825     loadDirectory(viewPropsUrl);
 826 }
 827
 828 void DolphinView::setCategorizedSorting(bool categorized)
 829 {
 830     if (categorized == categorizedSorting()) {
 831         return;
 832     }
 833
 834     // setCategorizedSorting(true) may only get invoked
 835     // if the view supports categorized sorting
 836     Q_ASSERT(!categorized || supportsCategorizedSorting());
 837
 838     ViewProperties props(viewPropertiesUrl());
 839     props.setCategorizedSorting(categorized);
 840     props.save();
 841
 842     m_storedCategorizedSorting = categorized;
 843     m_proxyModel->setCategorizedModel(categorized);
 844
 845     emit categorizedSortingChanged();
 846 }
 847
 848 void DolphinView::toggleSortOrder()
 849 {
 850     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 851                                 Qt::DescendingOrder :
 852                                 Qt::AscendingOrder;
 853     setSortOrder(order);
 854 }
 855
 856 void DolphinView::toggleSortFoldersFirst()
 857 {
 858     setSortFoldersFirst(!sortFoldersFirst());
 859 }
 860
 861 void DolphinView::toggleAdditionalInfo(QAction* action)
 862 {
 863     const KFileItemDelegate::Information info =
 864         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 865
 866     KFileItemDelegate::InformationList list = additionalInfo();
 867
 868     const bool show = action->isChecked();
 869
 870     const int index = list.indexOf(info);
 871     const bool containsInfo = (index >= 0);
 872     if (show && !containsInfo) {
 873         list.append(info);
 874         setAdditionalInfo(list);
 875     } else if (!show && containsInfo) {
 876         list.removeAt(index);
 877         setAdditionalInfo(list);
 878         Q_ASSERT(list.indexOf(info) < 0);
 879     }
 880 }
 881
 882 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 883 {
 884     QWidget::mouseReleaseEvent(event);
 885     setActive(true);
 886 }
 887
 888 void DolphinView::wheelEvent(QWheelEvent* event)
 889 {
 890     if (event->modifiers() & Qt::ControlModifier) {
 891         const int delta = event->delta();
 892         const int level = zoomLevel();
 893         if (delta > 0) {
 894             setZoomLevel(level + 1);
 895         } else if (delta < 0) {
 896             setZoomLevel(level - 1);
 897         }
 898         event->accept();
 899     }
 900 }
 901
 902 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 903 {
 904     switch (event->type()) {
 905     case QEvent::FocusIn:
 906         if (watched == itemView()) {
 907             m_controller->requestActivation();
 908         }
 909         break;
 910
 911     case QEvent::MouseButtonPress:
 912         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 913             // Listening to a mousebutton press event to delete expanded views is a
 914             // workaround, as it seems impossible for the FolderExpander to know when
 915             // a dragging outside a view has been finished. However it works quite well:
 916             // A mousebutton press event indicates that a drag operation must be
 917             // finished already.
 918             m_expandedDragSource->deleteLater();
 919             m_expandedDragSource = 0;
 920         }
 921         break;
 922
 923     case QEvent::DragEnter:
 924         if (watched == itemView()->viewport()) {
 925             setActive(true);
 926         }
 927         break;
 928
 929     case QEvent::KeyPress:
 930         if (watched == itemView()) {
 931             if (m_toolTipManager != 0) {
 932                 m_toolTipManager->hideTip();
 933             }
 934
 935             // clear the selection when Escape has been pressed
 936             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 937             if (keyEvent->key() == Qt::Key_Escape) {
 938                 clearSelection();
 939             }
 940         }
 941         break;
 942
 943     default:
 944         break;
 945     }
 946
 947     return QWidget::eventFilter(watched, event);
 948 }
 949
 950 void DolphinView::activate()
 951 {
 952     setActive(true);
 953 }
 954
 955 void DolphinView::triggerItem(const KFileItem& item)
 956 {
 957     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 958     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 959         // items are selected by the user, hence don't trigger the
 960         // item specified by 'index'
 961         return;
 962     }
 963
 964     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 965     if (item.isNull() || m_isContextMenuOpen) {
 966         return;
 967     }
 968
 969     if (m_toolTipManager != 0) {
 970         m_toolTipManager->hideTip();
 971     }
 972     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 973 }
 974
 975 void DolphinView::emitDelayedSelectionChangedSignal()
 976 {
 977     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 978     // that fast selection changes don't result in expensive operations to
 979     // collect all file items for the signal (see DolphinView::selectedItems()).
 980     m_selectionChangedTimer->start();
 981 }
 982
 983 void DolphinView::emitSelectionChangedSignal()
 984 {
 985     emit selectionChanged(DolphinView::selectedItems());
 986 }
 987
 988 void DolphinView::openContextMenu(const QPoint& pos,
 989                                   const QList<QAction*>& customActions)
 990 {
 991     KFileItem item;
 992     if (isColumnViewActive()) {
 993         item = m_columnView->itemAt(pos);
 994     } else {
 995         const QModelIndex index = itemView()->indexAt(pos);
 996         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 997             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 998             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 999         }
1000     }
1001
1002     if (m_toolTipManager != 0) {
1003         m_toolTipManager->hideTip();
1004     }
1005
1006     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
1007     emit requestContextMenu(item, url(), customActions);
1008     m_isContextMenuOpen = false;
1009 }
1010
1011 void DolphinView::dropUrls(const KFileItem& destItem,
1012                            const KUrl& destPath,
1013                            QDropEvent* event)
1014 {
1015     addNewFileNames(event->mimeData());
1016     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
1017 }
1018
1019 void DolphinView::updateSorting(DolphinView::Sorting sorting)
1020 {
1021     ViewProperties props(viewPropertiesUrl());
1022     props.setSorting(sorting);
1023
1024     m_proxyModel->setSorting(sorting);
1025
1026     emit sortingChanged(sorting);
1027 }
1028
1029 void DolphinView::updateSortOrder(Qt::SortOrder order)
1030 {
1031     ViewProperties props(viewPropertiesUrl());
1032     props.setSortOrder(order);
1033
1034     m_proxyModel->setSortOrder(order);
1035
1036     emit sortOrderChanged(order);
1037 }
1038
1039 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1040 {
1041     ViewProperties props(viewPropertiesUrl());
1042     props.setSortFoldersFirst(foldersFirst);
1043
1044     m_proxyModel->setSortFoldersFirst(foldersFirst);
1045
1046     emit sortFoldersFirstChanged(foldersFirst);
1047 }
1048
1049 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1050 {
1051     ViewProperties props(viewPropertiesUrl());
1052     props.setAdditionalInfo(info);
1053     props.save();
1054
1055     m_fileItemDelegate->setShowInformation(info);
1056
1057     emit additionalInfoChanged();
1058 }
1059
1060 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1061 {
1062     const bool enable = (m_mode == DolphinView::DetailsView) ||
1063                         (m_mode == DolphinView::IconsView);
1064
1065     QAction* showSizeInfo = collection->action("show_size_info");
1066     QAction* showDateInfo = collection->action("show_date_info");
1067     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1068     QAction* showOwnerInfo = collection->action("show_owner_info");
1069     QAction* showGroupInfo = collection->action("show_group_info");
1070     QAction* showMimeInfo = collection->action("show_mime_info");
1071
1072     showSizeInfo->setChecked(false);
1073     showDateInfo->setChecked(false);
1074     showPermissionsInfo->setChecked(false);
1075     showOwnerInfo->setChecked(false);
1076     showGroupInfo->setChecked(false);
1077     showMimeInfo->setChecked(false);
1078
1079     showSizeInfo->setEnabled(enable);
1080     showDateInfo->setEnabled(enable);
1081     showPermissionsInfo->setEnabled(enable);
1082     showOwnerInfo->setEnabled(enable);
1083     showGroupInfo->setEnabled(enable);
1084     showMimeInfo->setEnabled(enable);
1085
1086     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1087         switch (info) {
1088         case KFileItemDelegate::Size:
1089             showSizeInfo->setChecked(true);
1090             break;
1091         case KFileItemDelegate::ModificationTime:
1092             showDateInfo->setChecked(true);
1093             break;
1094         case KFileItemDelegate::Permissions:
1095             showPermissionsInfo->setChecked(true);
1096             break;
1097         case KFileItemDelegate::Owner:
1098             showOwnerInfo->setChecked(true);
1099             break;
1100         case KFileItemDelegate::OwnerAndGroup:
1101             showGroupInfo->setChecked(true);
1102             break;
1103         case KFileItemDelegate::FriendlyMimeType:
1104             showMimeInfo->setChecked(true);
1105             break;
1106         default:
1107             break;
1108         }
1109     }
1110 }
1111
1112 QPair<bool, QString> DolphinView::pasteInfo() const
1113 {
1114     return KonqOperations::pasteInfo(url());
1115 }
1116
1117 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1118 {
1119     m_tabsForFiles = tabsForFiles;
1120 }
1121
1122 bool DolphinView::isTabsForFilesEnabled() const
1123 {
1124     return m_tabsForFiles;
1125 }
1126
1127 void DolphinView::activateItem(const KUrl& url)
1128 {
1129     m_activeItemUrl = url;
1130 }
1131
1132 bool DolphinView::itemsExpandable() const
1133 {
1134     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1135 }
1136
1137 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1138 {
1139     if (view == 0)
1140         return;
1141
1142     if (DragAndDropHelper::instance().isDragSource(view)) {
1143         // We must store for later deletion.
1144         if (m_expandedDragSource != 0) {
1145             // The old stored view is obviously not the drag source anymore.
1146             m_expandedDragSource->deleteLater();
1147             m_expandedDragSource = 0;
1148         }
1149         view->hide();
1150         m_expandedDragSource = view;
1151     }
1152     else {
1153         view->deleteLater();
1154     }
1155 }
1156
1157 void DolphinView::observeCreatedItem(const KUrl& url)
1158 {
1159     m_createdItemUrl = url;
1160     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1161             this, SLOT(selectAndScrollToCreatedItem()));
1162 }
1163
1164 void DolphinView::selectAndScrollToCreatedItem()
1165 {
1166     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1167     if (dirIndex.isValid()) {
1168         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1169         itemView()->setCurrentIndex(proxyIndex);
1170     }
1171
1172     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1173                this, SLOT(selectAndScrollToCreatedItem()));
1174     m_createdItemUrl = KUrl();
1175 }
1176
1177 void DolphinView::restoreSelection()
1178 {
1179     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1180     changeSelection(m_selectedItems);
1181 }
1182
1183 void DolphinView::emitContentsMoved()
1184 {
1185     // only emit the contents moved signal if:
1186     // - no directory loading is ongoing (this would reset the contents position
1187     //   always to (0, 0))
1188     // - if the Column View is active: the column view does an automatic
1189     //   positioning during the loading operation, which must be remembered
1190     if (!m_loadingDirectory || isColumnViewActive()) {
1191         const QPoint pos(contentsPosition());
1192         emit contentsMoved(pos.x(), pos.y());
1193     }
1194 }
1195
1196 void DolphinView::showHoverInformation(const KFileItem& item)
1197 {
1198     emit requestItemInfo(item);
1199 }
1200
1201 void DolphinView::clearHoverInformation()
1202 {
1203     emit requestItemInfo(KFileItem());
1204 }
1205
1206 void DolphinView::slotDeleteFileFinished(KJob* job)
1207 {
1208     if (job->error() == 0) {
1209         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1210     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1211         emit errorMessage(job->errorString());
1212     }
1213 }
1214
1215 void DolphinView::slotRequestUrlChange(const KUrl& url)
1216 {
1217     emit requestUrlChange(url);
1218     m_controller->setUrl(url);
1219 }
1220
1221 void DolphinView::slotDirListerCompleted()
1222 {
1223     if (!m_activeItemUrl.isEmpty()) {
1224         // assure that the current item remains visible
1225         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_activeItemUrl);
1226         if (dirIndex.isValid()) {
1227             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1228             QAbstractItemView* view = itemView();
1229             const bool clearSelection = !hasSelection();
1230             view->setCurrentIndex(proxyIndex);
1231             if (clearSelection) {
1232                 view->clearSelection();
1233             }
1234             m_activeItemUrl.clear();
1235         }
1236     }
1237
1238     if (!m_newFileNames.isEmpty()) {
1239         // select all newly added items created by a paste operation or
1240         // a drag & drop operation
1241         const int rowCount = m_proxyModel->rowCount();
1242         QItemSelection selection;
1243         for (int row = 0; row < rowCount; ++row) {
1244             const QModelIndex proxyIndex = m_proxyModel->index(row, 0);
1245             const QModelIndex dirIndex = m_proxyModel->mapToSource(proxyIndex);
1246             const KUrl url = m_dolphinModel->itemForIndex(dirIndex).url();
1247             if (m_newFileNames.contains(url.fileName())) {
1248                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1249             }
1250         }
1251         itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1252
1253         m_newFileNames.clear();
1254     }
1255 }
1256
1257 void DolphinView::slotRefreshItems()
1258 {
1259     if (m_assureVisibleCurrentIndex) {
1260         m_assureVisibleCurrentIndex = false;
1261         itemView()->scrollTo(itemView()->currentIndex());
1262     }
1263 }
1264
1265 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1266 {
1267     if (!url.isValid()) {
1268         const QString location(url.pathOrUrl());
1269         if (location.isEmpty()) {
1270             emit errorMessage(i18nc("@info:status", "The location is empty."));
1271         } else {
1272             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1273         }
1274         return;
1275     }
1276
1277     m_loadingDirectory = true;
1278
1279     if (reload) {
1280         m_selectedItems = selectedItems();
1281         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1282     }
1283
1284     m_dirLister->stop();
1285     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1286
1287     if (isColumnViewActive()) {
1288         // adjusting the directory lister is not enough in the case of the
1289         // column view, as each column has its own directory lister internally...
1290         if (reload) {
1291             m_columnView->reload();
1292         } else {
1293             m_columnView->showColumn(url);
1294         }
1295     }
1296 }
1297
1298 KUrl DolphinView::viewPropertiesUrl() const
1299 {
1300     if (isColumnViewActive()) {
1301         return m_columnView->rootUrl();
1302     }
1303
1304     return url();
1305 }
1306
1307 void DolphinView::applyViewProperties(const KUrl& url)
1308 {
1309     if (m_ignoreViewProperties) {
1310         return;
1311     }
1312
1313     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1314         // The column view is active, hence don't apply the view properties
1315         // of sub directories (represented by columns) to the view. The
1316         // view always represents the properties of the first column.
1317         return;
1318     }
1319
1320     const ViewProperties props(url);
1321
1322     const Mode mode = props.viewMode();
1323     if (m_mode != mode) {
1324         const int oldZoomLevel = m_controller->zoomLevel();
1325
1326         m_mode = mode;
1327         createView();
1328         emit modeChanged();
1329
1330         updateZoomLevel(oldZoomLevel);
1331     }
1332     if (itemView() == 0) {
1333         createView();
1334     }
1335     Q_ASSERT(itemView() != 0);
1336     Q_ASSERT(m_fileItemDelegate != 0);
1337
1338     const bool showHiddenFiles = props.showHiddenFiles();
1339     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1340         m_dirLister->setShowingDotFiles(showHiddenFiles);
1341         emit showHiddenFilesChanged();
1342     }
1343
1344     m_storedCategorizedSorting = props.categorizedSorting();
1345     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1346     if (categorized != m_proxyModel->isCategorizedModel()) {
1347         m_proxyModel->setCategorizedModel(categorized);
1348         emit categorizedSortingChanged();
1349     }
1350
1351     const DolphinView::Sorting sorting = props.sorting();
1352     if (sorting != m_proxyModel->sorting()) {
1353         m_proxyModel->setSorting(sorting);
1354         emit sortingChanged(sorting);
1355     }
1356
1357     const Qt::SortOrder sortOrder = props.sortOrder();
1358     if (sortOrder != m_proxyModel->sortOrder()) {
1359         m_proxyModel->setSortOrder(sortOrder);
1360         emit sortOrderChanged(sortOrder);
1361     }
1362
1363     const bool sortFoldersFirst = props.sortFoldersFirst();
1364     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1365         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1366         emit sortFoldersFirstChanged(sortFoldersFirst);
1367     }
1368
1369     KFileItemDelegate::InformationList info = props.additionalInfo();
1370     if (info != m_fileItemDelegate->showInformation()) {
1371         m_fileItemDelegate->setShowInformation(info);
1372         emit additionalInfoChanged();
1373     }
1374
1375     const bool showPreview = props.showPreview();
1376     if (showPreview != m_showPreview) {
1377         m_showPreview = showPreview;
1378         m_previewGenerator->setPreviewShown(showPreview);
1379
1380         const int oldZoomLevel = m_controller->zoomLevel();
1381         emit showPreviewChanged();
1382
1383         // Enabling or disabling the preview might change the icon size of the view.
1384         // As the view does not emit a signal when the icon size has been changed,
1385         // the used zoom level of the controller must be adjusted manually:
1386         updateZoomLevel(oldZoomLevel);
1387     }
1388
1389     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1390         // During the lifetime of a DolphinView instance the global view properties
1391         // should not be changed. This allows e. g. to split a view and use different
1392         // view properties for each view.
1393         m_ignoreViewProperties = true;
1394     }
1395 }
1396
1397 void DolphinView::createView()
1398 {
1399     deleteView();
1400     Q_ASSERT(m_iconsView == 0);
1401     Q_ASSERT(m_detailsView == 0);
1402     Q_ASSERT(m_columnView == 0);
1403
1404     QAbstractItemView* view = 0;
1405     switch (m_mode) {
1406     case IconsView: {
1407         m_iconsView = new DolphinIconsView(this, m_controller);
1408         view = m_iconsView;
1409         break;
1410     }
1411
1412     case DetailsView:
1413         m_detailsView = new DolphinDetailsView(this, m_controller);
1414         view = m_detailsView;
1415         break;
1416
1417     case ColumnView:
1418         m_columnView = new DolphinColumnView(this, m_controller);
1419         view = m_columnView;
1420         break;
1421     }
1422
1423     Q_ASSERT(view != 0);
1424     view->installEventFilter(this);
1425     view->viewport()->installEventFilter(this);
1426     setFocusProxy(view);
1427
1428     if (m_mode != ColumnView) {
1429         // Give the view the ability to auto-expand its directories on hovering
1430         // (the column view takes care about this itself). If the details view
1431         // uses expandable folders, the auto-expanding should be used always.
1432         DolphinSettings& settings = DolphinSettings::instance();
1433         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1434                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1435
1436         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1437         folderExpander->setEnabled(enabled);
1438         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1439                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1440     }
1441     else {
1442         // Listen out for requests to delete the current column.
1443         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1444                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1445     }
1446
1447     m_controller->setItemView(view);
1448
1449     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1450     m_fileItemDelegate->setShowToolTipWhenElided(false);
1451     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1452     view->setItemDelegate(m_fileItemDelegate);
1453
1454     view->setModel(m_proxyModel);
1455     if (m_selectionModel != 0) {
1456         view->setSelectionModel(m_selectionModel);
1457     } else {
1458         m_selectionModel = view->selectionModel();
1459     }
1460
1461     m_selectionChangedTimer = new QTimer(this);
1462     m_selectionChangedTimer->setSingleShot(true);
1463     m_selectionChangedTimer->setInterval(300);
1464     connect(m_selectionChangedTimer, SIGNAL(timeout()),
1465             this, SLOT(emitSelectionChangedSignal()));
1466
1467     // reparent the selection model, as it should not be deleted
1468     // when deleting the model
1469     m_selectionModel->setParent(this);
1470
1471     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1472
1473     m_previewGenerator = new KFilePreviewGenerator(view);
1474     m_previewGenerator->setPreviewShown(m_showPreview);
1475
1476     m_revisionControlObserver = new RevisionControlObserver(view);
1477     connect(m_revisionControlObserver, SIGNAL(infoMessage(const QString&)),
1478             this, SIGNAL(infoMessage(const QString&)));
1479     connect(m_revisionControlObserver, SIGNAL(errorMessage(const QString&)),
1480             this, SIGNAL(errorMessage(const QString&)));
1481     connect(m_revisionControlObserver, SIGNAL(operationCompletedMessage(const QString&)),
1482             this, SIGNAL(operationCompletedMessage(const QString&)));
1483
1484     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1485         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1486         connect(m_controller, SIGNAL(hideToolTip()),
1487                 m_toolTipManager, SLOT(hideTip()));
1488     }
1489
1490     m_topLayout->insertWidget(1, view);
1491
1492     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1493             this, SLOT(emitDelayedSelectionChangedSignal()));
1494     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1495             this, SLOT(emitContentsMoved()));
1496     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1497             this, SLOT(emitContentsMoved()));
1498 }
1499
1500 void DolphinView::deleteView()
1501 {
1502     QAbstractItemView* view = itemView();
1503     if (view != 0) {
1504         // It's important to set the keyboard focus to the parent
1505         // before deleting the view: Otherwise when having a split
1506         // view the other view will get the focus and will request
1507         // an activation (see DolphinView::eventFilter()).
1508         setFocusProxy(0);
1509         setFocus();
1510
1511         m_topLayout->removeWidget(view);
1512         view->close();
1513
1514         // m_previewGenerator's parent is not always destroyed, and we
1515         // don't want two active at once - manually delete.
1516         delete m_previewGenerator;
1517         m_previewGenerator = 0;
1518
1519         disconnect(view);
1520         m_controller->disconnect(view);
1521         view->disconnect();
1522
1523         deleteWhenNotDragSource(view);
1524         view = 0;
1525
1526         m_iconsView = 0;
1527         m_detailsView = 0;
1528         m_columnView = 0;
1529         m_fileItemDelegate = 0;
1530         m_toolTipManager = 0;
1531     }
1532 }
1533
1534 QAbstractItemView* DolphinView::itemView() const
1535 {
1536     if (m_detailsView != 0) {
1537         return m_detailsView;
1538     } else if (m_columnView != 0) {
1539         return m_columnView;
1540     }
1541
1542     return m_iconsView;
1543 }
1544
1545 void DolphinView::pasteToUrl(const KUrl& url)
1546 {
1547     addNewFileNames(QApplication::clipboard()->mimeData());
1548     KonqOperations::doPaste(this, url);
1549 }
1550
1551 void DolphinView::updateZoomLevel(int oldZoomLevel)
1552 {
1553     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1554     if (oldZoomLevel != newZoomLevel) {
1555         m_controller->setZoomLevel(newZoomLevel);
1556         emit zoomLevelChanged(newZoomLevel);
1557     }
1558 }
1559
1560 KUrl::List DolphinView::simplifiedSelectedUrls() const
1561 {
1562     KUrl::List list = selectedUrls();
1563     if (itemsExpandable() ) {
1564         list = KDirModel::simplifiedUrlList(list);
1565     }
1566     return list;
1567 }
1568
1569 QMimeData* DolphinView::selectionMimeData() const
1570 {
1571     if (isColumnViewActive()) {
1572         return m_columnView->selectionMimeData();
1573     }
1574
1575     const QAbstractItemView* view = itemView();
1576     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1577     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1578     return m_dolphinModel->mimeData(selection.indexes());
1579 }
1580
1581 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1582 {
1583     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1584     foreach (const KUrl& url, urls) {
1585         m_newFileNames.insert(url.fileName());
1586     }
1587 }
1588
1589 #include "dolphinview.moc"