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