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