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