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