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_activeItemUrl(),
 108     m_createdItemUrl(),
 109     m_selectedItems(),
 110     m_newFileNames(),
 111     m_expandedDragSource(0)
 112 {
 113     m_topLayout = new QVBoxLayout(this);
 114     m_topLayout->setSpacing(0);
 115     m_topLayout->setMargin(0);
 116
 117     m_controller = new DolphinController(this);
 118     m_controller->setUrl(url);
 119
 120     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 121             this, SIGNAL(urlChanged(const KUrl&)));
 122     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 123             this, SLOT(slotRequestUrlChange(const KUrl&)));
 124
 125     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 126             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 127     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 128             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 129     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 130             this, SLOT(updateSorting(DolphinView::Sorting)));
 131     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 132             this, SLOT(updateSortOrder(Qt::SortOrder)));
 133     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 134             this, SLOT(updateSortFoldersFirst(bool)));
 135     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 136             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 137     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 138             this, SLOT(triggerItem(const KFileItem&)));
 139     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 140             this, SIGNAL(tabRequested(const KUrl&)));
 141     connect(m_controller, SIGNAL(activated()),
 142             this, SLOT(activate()));
 143     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 144             this, SLOT(showHoverInformation(const KFileItem&)));
 145     connect(m_controller, SIGNAL(viewportEntered()),
 146             this, SLOT(clearHoverInformation()));
 147
 148     connect(m_dirLister, SIGNAL(redirection(KUrl, KUrl)),
 149             this, SIGNAL(redirection(KUrl, KUrl)));
 150     connect(m_dirLister, SIGNAL(completed()),
 151             this, SLOT(slotDirListerCompleted()));
 152     connect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 153             this, SLOT(slotRefreshItems()));
 154
 155     // When a new item has been created by the "Create New..." menu, the item should
 156     // get selected and it must be assured that the item will get visible. As the
 157     // creation is done asynchronously, several signals must be checked:
 158     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 159             this, SLOT(observeCreatedItem(const KUrl&)));
 160
 161     applyViewProperties(url);
 162     m_topLayout->addWidget(itemView());
 163 }
 164
 165 DolphinView::~DolphinView()
 166 {
 167     delete m_expandedDragSource;
 168     m_expandedDragSource = 0;
 169 }
 170
 171 const KUrl& DolphinView::url() const
 172 {
 173     return m_controller->url();
 174 }
 175
 176 KUrl DolphinView::rootUrl() const
 177 {
 178     return isColumnViewActive() ? m_columnView->rootUrl() : url();
 179 }
 180
 181 void DolphinView::setActive(bool active)
 182 {
 183     if (active == m_active) {
 184         return;
 185     }
 186
 187     m_active = active;
 188
 189     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 190     if (active) {
 191         emit selectionChanged(selectedItems());
 192     } else {
 193         color.setAlpha(150);
 194     }
 195
 196     QWidget* viewport = itemView()->viewport();
 197     QPalette palette;
 198     palette.setColor(viewport->backgroundRole(), color);
 199     viewport->setPalette(palette);
 200
 201     update();
 202
 203     if (active) {
 204         itemView()->setFocus();
 205         emit activated();
 206     }
 207
 208     m_controller->indicateActivationChange(active);
 209 }
 210
 211 bool DolphinView::isActive() const
 212 {
 213     return m_active;
 214 }
 215
 216 void DolphinView::setMode(Mode mode)
 217 {
 218     if (mode == m_mode) {
 219         return; // the wished mode is already set
 220     }
 221
 222     const int oldZoomLevel = m_controller->zoomLevel();
 223     m_mode = mode;
 224
 225     deleteView();
 226
 227     const KUrl viewPropsUrl = viewPropertiesUrl();
 228     ViewProperties props(viewPropsUrl);
 229     props.setViewMode(m_mode);
 230     createView();
 231
 232     // the file item delegate has been recreated, apply the current
 233     // additional information manually
 234     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 235     m_fileItemDelegate->setShowInformation(infoList);
 236     emit additionalInfoChanged();
 237
 238     // Not all view modes support categorized sorting. Adjust the sorting model
 239     // if changing the view mode results in a change of the categorized sorting
 240     // capabilities.
 241     m_storedCategorizedSorting = props.categorizedSorting();
 242     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 243     if (categorized != m_proxyModel->isCategorizedModel()) {
 244         m_proxyModel->setCategorizedModel(categorized);
 245         emit categorizedSortingChanged();
 246     }
 247
 248     emit modeChanged();
 249
 250     updateZoomLevel(oldZoomLevel);
 251     if (m_showPreview) {
 252         loadDirectory(viewPropsUrl);
 253     }
 254 }
 255
 256 DolphinView::Mode DolphinView::mode() const
 257 {
 258     return m_mode;
 259 }
 260
 261 bool DolphinView::showPreview() const
 262 {
 263     return m_showPreview;
 264 }
 265
 266 bool DolphinView::showHiddenFiles() const
 267 {
 268     return m_dirLister->showingDotFiles();
 269 }
 270
 271 bool DolphinView::categorizedSorting() const
 272 {
 273     // If all view modes would support categorized sorting, returning
 274     // m_proxyModel->isCategorizedModel() would be the way to go. As
 275     // currently only the icons view supports caterized sorting, we remember
 276     // the stored view properties state in m_storedCategorizedSorting and
 277     // return this state. The application takes care to disable the corresponding
 278     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 279     // that this setting is not applied to the current view mode.
 280     return m_storedCategorizedSorting;
 281 }
 282
 283 bool DolphinView::supportsCategorizedSorting() const
 284 {
 285     return m_iconsView != 0;
 286 }
 287
 288 void DolphinView::selectAll()
 289 {
 290     QAbstractItemView* view = itemView();
 291     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 292     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 293     // selection instead of selecting all items. This is bypassed for KDE 4.0
 294     // by invoking clearSelection() first.
 295     view->clearSelection();
 296     view->selectAll();
 297 }
 298
 299 void DolphinView::invertSelection()
 300 {
 301     if (isColumnViewActive()) {
 302         // QAbstractItemView does not offer a virtual method invertSelection()
 303         // as counterpart to QAbstractItemView::selectAll(). This makes it
 304         // necessary to delegate the inverting of the selection to the
 305         // column view, as only the selection of the active column should
 306         // get inverted.
 307         m_columnView->invertSelection();
 308     } else {
 309         QItemSelectionModel* selectionModel = itemView()->selectionModel();
 310         const QAbstractItemModel* itemModel = selectionModel->model();
 311
 312         const QModelIndex topLeft = itemModel->index(0, 0);
 313         const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 314                                                          itemModel->columnCount() - 1);
 315
 316         const QItemSelection selection(topLeft, bottomRight);
 317         selectionModel->select(selection, QItemSelectionModel::Toggle);
 318     }
 319 }
 320
 321 bool DolphinView::hasSelection() const
 322 {
 323     return itemView()->selectionModel()->hasSelection();
 324 }
 325
 326 void DolphinView::clearSelection()
 327 {
 328     QItemSelectionModel* selModel = itemView()->selectionModel();
 329     const QModelIndex currentIndex = selModel->currentIndex();
 330     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 331                                             QItemSelectionModel::Clear);
 332     m_selectedItems.clear();
 333 }
 334
 335 KFileItemList DolphinView::selectedItems() const
 336 {
 337     if (isColumnViewActive()) {
 338         return m_columnView->selectedItems();
 339     }
 340
 341     const QAbstractItemView* view = itemView();
 342
 343     // Our view has a selection, we will map them back to the DolphinModel
 344     // and then fill the KFileItemList.
 345     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 346
 347     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
 348     KFileItemList itemList;
 349
 350     const QModelIndexList indexList = selection.indexes();
 351     foreach (const QModelIndex &index, indexList) {
 352         KFileItem item = m_dolphinModel->itemForIndex(index);
 353         if (!item.isNull()) {
 354             itemList.append(item);
 355         }
 356     }
 357
 358     return itemList;
 359 }
 360
 361 KUrl::List DolphinView::selectedUrls() const
 362 {
 363     KUrl::List urls;
 364     const KFileItemList list = selectedItems();
 365     foreach (const KFileItem &item, list) {
 366         urls.append(item.url());
 367     }
 368     return urls;
 369 }
 370
 371 int DolphinView::selectedItemsCount() const
 372 {
 373     if (isColumnViewActive()) {
 374         // TODO: get rid of this special case by adjusting the dir lister
 375         // to the current column
 376         return m_columnView->selectedItems().count();
 377     }
 378
 379     return itemView()->selectionModel()->selection().count();
 380 }
 381
 382 void DolphinView::setContentsPosition(int x, int y)
 383 {
 384     QAbstractItemView* view = itemView();
 385
 386     // the ColumnView takes care itself for the horizontal scrolling
 387     if (!isColumnViewActive()) {
 388         view->horizontalScrollBar()->setValue(x);
 389     }
 390     view->verticalScrollBar()->setValue(y);
 391
 392     m_loadingDirectory = false;
 393 }
 394
 395 QPoint DolphinView::contentsPosition() const
 396 {
 397     const int x = itemView()->horizontalScrollBar()->value();
 398     const int y = itemView()->verticalScrollBar()->value();
 399     return QPoint(x, y);
 400 }
 401
 402 void DolphinView::setZoomLevel(int level)
 403 {
 404     if (level < ZoomLevelInfo::minimumLevel()) {
 405         level = ZoomLevelInfo::minimumLevel();
 406     } else if (level > ZoomLevelInfo::maximumLevel()) {
 407         level = ZoomLevelInfo::maximumLevel();
 408     }
 409
 410     if (level != zoomLevel()) {
 411         m_controller->setZoomLevel(level);
 412         m_previewGenerator->updateIcons();
 413         emit zoomLevelChanged(level);
 414     }
 415 }
 416
 417 int DolphinView::zoomLevel() const
 418 {
 419     return m_controller->zoomLevel();
 420 }
 421
 422 void DolphinView::setSorting(Sorting sorting)
 423 {
 424     if (sorting != this->sorting()) {
 425         updateSorting(sorting);
 426     }
 427 }
 428
 429 DolphinView::Sorting DolphinView::sorting() const
 430 {
 431     return m_proxyModel->sorting();
 432 }
 433
 434 void DolphinView::setSortOrder(Qt::SortOrder order)
 435 {
 436     if (sortOrder() != order) {
 437         updateSortOrder(order);
 438     }
 439 }
 440
 441 Qt::SortOrder DolphinView::sortOrder() const
 442 {
 443     return m_proxyModel->sortOrder();
 444 }
 445
 446 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 447 {
 448     if (sortFoldersFirst() != foldersFirst) {
 449         updateSortFoldersFirst(foldersFirst);
 450     }
 451 }
 452
 453 bool DolphinView::sortFoldersFirst() const
 454 {
 455     return m_proxyModel->sortFoldersFirst();
 456 }
 457
 458 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 459 {
 460     const KUrl viewPropsUrl = viewPropertiesUrl();
 461     ViewProperties props(viewPropsUrl);
 462     props.setAdditionalInfo(info);
 463     m_fileItemDelegate->setShowInformation(info);
 464
 465     emit additionalInfoChanged();
 466
 467     if (itemView() != m_detailsView) {
 468         // the details view requires no reloading of the directory, as it maps
 469         // the file item delegate info to its columns internally
 470         loadDirectory(viewPropsUrl);
 471     }
 472 }
 473
 474 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 475 {
 476     return m_fileItemDelegate->showInformation();
 477 }
 478
 479 void DolphinView::reload()
 480 {
 481     setUrl(url());
 482     loadDirectory(url(), true);
 483 }
 484
 485 void DolphinView::refresh()
 486 {
 487     m_ignoreViewProperties = false;
 488
 489     const bool oldActivationState = m_active;
 490     const int oldZoomLevel = m_controller->zoomLevel();
 491     m_active = true;
 492
 493     createView();
 494     applyViewProperties(m_controller->url());
 495     reload();
 496
 497     setActive(oldActivationState);
 498     updateZoomLevel(oldZoomLevel);
 499 }
 500
 501 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 502 {
 503     if (m_controller->url() == url) {
 504         return;
 505     }
 506
 507     m_previewGenerator->cancelPreviews();
 508     m_controller->setUrl(url); // emits urlChanged, which we forward
 509
 510     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
 511         applyViewProperties(rootUrl);
 512         loadDirectory(rootUrl);
 513         if (itemView() == m_columnView) {
 514             m_columnView->setRootUrl(rootUrl);
 515             m_columnView->showColumn(url);
 516         }
 517     } else {
 518         applyViewProperties(url);
 519         loadDirectory(url);
 520     }
 521
 522     emit startedPathLoading(url);
 523 }
 524
 525 void DolphinView::setNameFilter(const QString& nameFilter)
 526 {
 527     m_proxyModel->setFilterRegExp(nameFilter);
 528
 529     if (isColumnViewActive()) {
 530         // adjusting the directory lister is not enough in the case of the
 531         // column view, as each column has its own directory lister internally...
 532         m_columnView->setNameFilter(nameFilter);
 533     }
 534 }
 535
 536 void DolphinView::calculateItemCount(int& fileCount,
 537                                      int& folderCount,
 538                                      KIO::filesize_t& totalFileSize) const
 539 {
 540     foreach (const KFileItem& item, m_dirLister->items()) {
 541         if (item.isDir()) {
 542             ++folderCount;
 543         } else {
 544             ++fileCount;
 545             totalFileSize += item.size();
 546         }
 547     }
 548 }
 549
 550 QString DolphinView::statusBarText() const
 551 {
 552     QString text;
 553     int folderCount = 0;
 554     int fileCount = 0;
 555     KIO::filesize_t totalFileSize = 0;
 556
 557     if (hasSelection()) {
 558         // give a summary of the status of the selected files
 559         const KFileItemList list = selectedItems();
 560         if (list.isEmpty()) {
 561             // when an item is triggered, it is temporary selected but selectedItems()
 562             // will return an empty list
 563             return text;
 564         }
 565
 566         KFileItemList::const_iterator it = list.begin();
 567         const KFileItemList::const_iterator end = list.end();
 568         while (it != end) {
 569             const KFileItem& item = *it;
 570             if (item.isDir()) {
 571                 ++folderCount;
 572             } else {
 573                 ++fileCount;
 574                 totalFileSize += item.size();
 575             }
 576             ++it;
 577         }
 578
 579         if (folderCount + fileCount == 1) {
 580             // if only one item is selected, show the filename
 581             const QString name = list.first().name();
 582             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 583                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 584                                               name, KIO::convertSize(totalFileSize));
 585         } else {
 586             // at least 2 items are selected
 587             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 588             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 589             if ((folderCount > 0) && (fileCount > 0)) {
 590                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 591                              foldersText, filesText, KIO::convertSize(totalFileSize));
 592             } else if (fileCount > 0) {
 593                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 594             } else {
 595                 Q_ASSERT(folderCount > 0);
 596                 text = foldersText;
 597             }
 598         }
 599     } else {
 600         calculateItemCount(fileCount, folderCount, totalFileSize);
 601         text = KIO::itemsSummaryString(fileCount + folderCount,
 602                                        fileCount, folderCount,
 603                                        totalFileSize, true);
 604     }
 605
 606     return text;
 607 }
 608
 609 void DolphinView::setUrl(const KUrl& url)
 610 {
 611     m_newFileNames.clear();
 612     updateView(url, KUrl());
 613 }
 614
 615 void DolphinView::changeSelection(const KFileItemList& selection)
 616 {
 617     clearSelection();
 618     if (selection.isEmpty()) {
 619         return;
 620     }
 621     const KUrl& baseUrl = url();
 622     KUrl url;
 623     QItemSelection newSelection;
 624     foreach(const KFileItem& item, selection) {
 625         url = item.url().upUrl();
 626         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 627             QModelIndex index = m_proxyModel->mapFromSource(m_dolphinModel->indexForItem(item));
 628             newSelection.select(index, index);
 629         }
 630     }
 631     itemView()->selectionModel()->select(newSelection,
 632                                          QItemSelectionModel::ClearAndSelect
 633                                          | QItemSelectionModel::Current);
 634 }
 635
 636 void DolphinView::renameSelectedItems()
 637 {
 638     KFileItemList items = selectedItems();
 639     const int itemCount = items.count();
 640     if (itemCount < 1) {
 641         return;
 642     }
 643
 644     if (itemCount > 1) {
 645         // More than one item has been selected for renaming. Open
 646         // a rename dialog and rename all items afterwards.
 647         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 648         if (dialog->exec() == QDialog::Rejected) {
 649             delete dialog;
 650             return;
 651         }
 652
 653         const QString newName = dialog->newName();
 654         if (newName.isEmpty()) {
 655             emit errorMessage(dialog->errorString());
 656             delete dialog;
 657             return;
 658         }
 659         delete dialog;
 660
 661         // the selection would be invalid after renaming the items, so just clear
 662         // it before
 663         clearSelection();
 664
 665         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 666         // as one operation instead of n rename operations like it is done now...
 667         Q_ASSERT(newName.contains('#'));
 668
 669         // currently the items are sorted by the selection order, resort
 670         // them by the file name
 671         qSort(items.begin(), items.end(), lessThan);
 672
 673         // iterate through all selected items and rename them...
 674         int index = 1;
 675         foreach (const KFileItem& item, items) {
 676             const KUrl& oldUrl = item.url();
 677             QString number;
 678             number.setNum(index++);
 679
 680             QString name = newName;
 681             name.replace('#', number);
 682
 683             if (oldUrl.fileName() != name) {
 684                 KUrl newUrl = oldUrl;
 685                 newUrl.setFileName(name);
 686                 KonqOperations::rename(this, oldUrl, newUrl);
 687             }
 688         }
 689     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 690         Q_ASSERT(itemCount == 1);
 691
 692         if (isColumnViewActive()) {
 693             m_columnView->editItem(items.first());
 694         } else {
 695             const QModelIndex dirIndex = m_dolphinModel->indexForItem(items.first());
 696             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
 697             itemView()->edit(proxyIndex);
 698         }
 699     } else {
 700         Q_ASSERT(itemCount == 1);
 701
 702         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 703         if (dialog->exec() == QDialog::Rejected) {
 704             delete dialog;
 705             return;
 706         }
 707
 708         const QString newName = dialog->newName();
 709         if (newName.isEmpty()) {
 710             emit errorMessage(dialog->errorString());
 711             delete dialog;
 712             return;
 713         }
 714         delete dialog;
 715
 716         const KUrl& oldUrl = items.first().url();
 717         KUrl newUrl = oldUrl;
 718         newUrl.setFileName(newName);
 719         KonqOperations::rename(this, oldUrl, newUrl);
 720     }
 721
 722     // assure that the current index remains visible when KDirLister
 723     // will notify the view about changed items
 724     m_assureVisibleCurrentIndex = true;
 725 }
 726
 727 void DolphinView::trashSelectedItems()
 728 {
 729     const KUrl::List list = simplifiedSelectedUrls();
 730     KonqOperations::del(this, KonqOperations::TRASH, list);
 731 }
 732
 733 void DolphinView::deleteSelectedItems()
 734 {
 735     const KUrl::List list = simplifiedSelectedUrls();
 736     const bool del = KonqOperations::askDeleteConfirmation(list,
 737                      KonqOperations::DEL,
 738                      KonqOperations::DEFAULT_CONFIRMATION,
 739                      this);
 740
 741     if (del) {
 742         KIO::Job* job = KIO::del(list);
 743         connect(job, SIGNAL(result(KJob*)),
 744                 this, SLOT(slotDeleteFileFinished(KJob*)));
 745     }
 746 }
 747
 748 void DolphinView::cutSelectedItems()
 749 {
 750     QMimeData* mimeData = selectionMimeData();
 751     KonqMimeData::addIsCutSelection(mimeData, true);
 752     QApplication::clipboard()->setMimeData(mimeData);
 753 }
 754
 755 void DolphinView::copySelectedItems()
 756 {
 757     QMimeData* mimeData = selectionMimeData();
 758     QApplication::clipboard()->setMimeData(mimeData);
 759 }
 760
 761 void DolphinView::paste()
 762 {
 763     pasteToUrl(url());
 764 }
 765
 766 void DolphinView::pasteIntoFolder()
 767 {
 768     const KFileItemList items = selectedItems();
 769     if ((items.count() == 1) && items.first().isDir()) {
 770         pasteToUrl(items.first().url());
 771     }
 772 }
 773
 774 void DolphinView::setShowPreview(bool show)
 775 {
 776     if (m_showPreview == show) {
 777         return;
 778     }
 779
 780     const KUrl viewPropsUrl = viewPropertiesUrl();
 781     ViewProperties props(viewPropsUrl);
 782     props.setShowPreview(show);
 783
 784     m_showPreview = show;
 785     m_previewGenerator->setPreviewShown(show);
 786
 787     const int oldZoomLevel = m_controller->zoomLevel();
 788     emit showPreviewChanged();
 789
 790     // Enabling or disabling the preview might change the icon size of the view.
 791     // As the view does not emit a signal when the icon size has been changed,
 792     // the used zoom level of the controller must be adjusted manually:
 793     updateZoomLevel(oldZoomLevel);
 794
 795     loadDirectory(viewPropsUrl);
 796 }
 797
 798 void DolphinView::setShowHiddenFiles(bool show)
 799 {
 800     if (m_dirLister->showingDotFiles() == show) {
 801         return;
 802     }
 803
 804     const KUrl viewPropsUrl = viewPropertiesUrl();
 805     ViewProperties props(viewPropsUrl);
 806     props.setShowHiddenFiles(show);
 807
 808     m_dirLister->setShowingDotFiles(show);
 809     emit showHiddenFilesChanged();
 810
 811     loadDirectory(viewPropsUrl);
 812 }
 813
 814 void DolphinView::setCategorizedSorting(bool categorized)
 815 {
 816     if (categorized == categorizedSorting()) {
 817         return;
 818     }
 819
 820     // setCategorizedSorting(true) may only get invoked
 821     // if the view supports categorized sorting
 822     Q_ASSERT(!categorized || supportsCategorizedSorting());
 823
 824     ViewProperties props(viewPropertiesUrl());
 825     props.setCategorizedSorting(categorized);
 826     props.save();
 827
 828     m_storedCategorizedSorting = categorized;
 829     m_proxyModel->setCategorizedModel(categorized);
 830
 831     emit categorizedSortingChanged();
 832 }
 833
 834 void DolphinView::toggleSortOrder()
 835 {
 836     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 837                                 Qt::DescendingOrder :
 838                                 Qt::AscendingOrder;
 839     setSortOrder(order);
 840 }
 841
 842 void DolphinView::toggleSortFoldersFirst()
 843 {
 844     setSortFoldersFirst(!sortFoldersFirst());
 845 }
 846
 847 void DolphinView::toggleAdditionalInfo(QAction* action)
 848 {
 849     const KFileItemDelegate::Information info =
 850         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 851
 852     KFileItemDelegate::InformationList list = additionalInfo();
 853
 854     const bool show = action->isChecked();
 855
 856     const int index = list.indexOf(info);
 857     const bool containsInfo = (index >= 0);
 858     if (show && !containsInfo) {
 859         list.append(info);
 860         setAdditionalInfo(list);
 861     } else if (!show && containsInfo) {
 862         list.removeAt(index);
 863         setAdditionalInfo(list);
 864         Q_ASSERT(list.indexOf(info) < 0);
 865     }
 866 }
 867
 868 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 869 {
 870     QWidget::mouseReleaseEvent(event);
 871     setActive(true);
 872 }
 873
 874 void DolphinView::wheelEvent(QWheelEvent* event)
 875 {
 876     if (event->modifiers() & Qt::ControlModifier) {
 877         const int delta = event->delta();
 878         const int level = zoomLevel();
 879         if (delta > 0) {
 880             setZoomLevel(level + 1);
 881         } else if (delta < 0) {
 882             setZoomLevel(level - 1);
 883         }
 884         event->accept();
 885     }
 886 }
 887
 888 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 889 {
 890     switch (event->type()) {
 891     case QEvent::FocusIn:
 892         if (watched == itemView()) {
 893             m_controller->requestActivation();
 894         }
 895         break;
 896
 897     case QEvent::MouseButtonPress:
 898         if ((watched == itemView()->viewport()) && (m_expandedDragSource != 0)) {
 899             // Listening to a mousebutton press event to delete expanded views is a
 900             // workaround, as it seems impossible for the FolderExpander to know when
 901             // a dragging outside a view has been finished. However it works quite well:
 902             // A mousebutton press event indicates that a drag operation must be
 903             // finished already.
 904             m_expandedDragSource->deleteLater();
 905             m_expandedDragSource = 0;
 906         }
 907         break;
 908
 909     case QEvent::DragEnter:
 910         if (watched == itemView()->viewport()) {
 911             setActive(true);
 912         }
 913         break;
 914
 915     case QEvent::KeyPress:
 916         if (watched == itemView()) {
 917             if (m_toolTipManager != 0) {
 918                 m_toolTipManager->hideTip();
 919             }
 920
 921             // clear the selection when Escape has been pressed
 922             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 923             if (keyEvent->key() == Qt::Key_Escape) {
 924                 clearSelection();
 925             }
 926         }
 927         break;
 928
 929     default:
 930         break;
 931     }
 932
 933     return QWidget::eventFilter(watched, event);
 934 }
 935
 936 void DolphinView::activate()
 937 {
 938     setActive(true);
 939 }
 940
 941 void DolphinView::triggerItem(const KFileItem& item)
 942 {
 943     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 944     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 945         // items are selected by the user, hence don't trigger the
 946         // item specified by 'index'
 947         return;
 948     }
 949
 950     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 951     if (item.isNull() || m_isContextMenuOpen) {
 952         return;
 953     }
 954
 955     if (m_toolTipManager != 0) {
 956         m_toolTipManager->hideTip();
 957     }
 958     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 959 }
 960
 961 void DolphinView::emitSelectionChangedSignal()
 962 {
 963     emit selectionChanged(DolphinView::selectedItems());
 964 }
 965
 966 void DolphinView::openContextMenu(const QPoint& pos,
 967                                   const QList<QAction*>& customActions)
 968 {
 969     KFileItem item;
 970     if (isColumnViewActive()) {
 971         item = m_columnView->itemAt(pos);
 972     } else {
 973         const QModelIndex index = itemView()->indexAt(pos);
 974         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 975             const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
 976             item = m_dolphinModel->itemForIndex(dolphinModelIndex);
 977         }
 978     }
 979
 980     if (m_toolTipManager != 0) {
 981         m_toolTipManager->hideTip();
 982     }
 983
 984     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 985     emit requestContextMenu(item, url(), customActions);
 986     m_isContextMenuOpen = false;
 987 }
 988
 989 void DolphinView::dropUrls(const KFileItem& destItem,
 990                            const KUrl& destPath,
 991                            QDropEvent* event)
 992 {
 993     addNewFileNames(event->mimeData());
 994     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 995 }
 996
 997 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 998 {
 999     ViewProperties props(viewPropertiesUrl());
1000     props.setSorting(sorting);
1001
1002     m_proxyModel->setSorting(sorting);
1003
1004     emit sortingChanged(sorting);
1005 }
1006
1007 void DolphinView::updateSortOrder(Qt::SortOrder order)
1008 {
1009     ViewProperties props(viewPropertiesUrl());
1010     props.setSortOrder(order);
1011
1012     m_proxyModel->setSortOrder(order);
1013
1014     emit sortOrderChanged(order);
1015 }
1016
1017 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1018 {
1019     ViewProperties props(viewPropertiesUrl());
1020     props.setSortFoldersFirst(foldersFirst);
1021
1022     m_proxyModel->setSortFoldersFirst(foldersFirst);
1023
1024     emit sortFoldersFirstChanged(foldersFirst);
1025 }
1026
1027 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
1028 {
1029     ViewProperties props(viewPropertiesUrl());
1030     props.setAdditionalInfo(info);
1031     props.save();
1032
1033     m_fileItemDelegate->setShowInformation(info);
1034
1035     emit additionalInfoChanged();
1036 }
1037
1038 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
1039 {
1040     const bool enable = (m_mode == DolphinView::DetailsView) ||
1041                         (m_mode == DolphinView::IconsView);
1042
1043     QAction* showSizeInfo = collection->action("show_size_info");
1044     QAction* showDateInfo = collection->action("show_date_info");
1045     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1046     QAction* showOwnerInfo = collection->action("show_owner_info");
1047     QAction* showGroupInfo = collection->action("show_group_info");
1048     QAction* showMimeInfo = collection->action("show_mime_info");
1049
1050     showSizeInfo->setChecked(false);
1051     showDateInfo->setChecked(false);
1052     showPermissionsInfo->setChecked(false);
1053     showOwnerInfo->setChecked(false);
1054     showGroupInfo->setChecked(false);
1055     showMimeInfo->setChecked(false);
1056
1057     showSizeInfo->setEnabled(enable);
1058     showDateInfo->setEnabled(enable);
1059     showPermissionsInfo->setEnabled(enable);
1060     showOwnerInfo->setEnabled(enable);
1061     showGroupInfo->setEnabled(enable);
1062     showMimeInfo->setEnabled(enable);
1063
1064     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1065         switch (info) {
1066         case KFileItemDelegate::Size:
1067             showSizeInfo->setChecked(true);
1068             break;
1069         case KFileItemDelegate::ModificationTime:
1070             showDateInfo->setChecked(true);
1071             break;
1072         case KFileItemDelegate::Permissions:
1073             showPermissionsInfo->setChecked(true);
1074             break;
1075         case KFileItemDelegate::Owner:
1076             showOwnerInfo->setChecked(true);
1077             break;
1078         case KFileItemDelegate::OwnerAndGroup:
1079             showGroupInfo->setChecked(true);
1080             break;
1081         case KFileItemDelegate::FriendlyMimeType:
1082             showMimeInfo->setChecked(true);
1083             break;
1084         default:
1085             break;
1086         }
1087     }
1088 }
1089
1090 QPair<bool, QString> DolphinView::pasteInfo() const
1091 {
1092     return KonqOperations::pasteInfo(url());
1093 }
1094
1095 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1096 {
1097     m_tabsForFiles = tabsForFiles;
1098 }
1099
1100 bool DolphinView::isTabsForFilesEnabled() const
1101 {
1102     return m_tabsForFiles;
1103 }
1104
1105 void DolphinView::activateItem(const KUrl& url)
1106 {
1107     m_activeItemUrl = url;
1108 }
1109
1110 bool DolphinView::itemsExpandable() const
1111 {
1112     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1113 }
1114
1115 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1116 {
1117     if (view == 0)
1118         return;
1119
1120     if (DragAndDropHelper::instance().isDragSource(view)) {
1121         // We must store for later deletion.
1122         if (m_expandedDragSource != 0) {
1123             // The old stored view is obviously not the drag source anymore.
1124             m_expandedDragSource->deleteLater();
1125             m_expandedDragSource = 0;
1126         }
1127         view->hide();
1128         m_expandedDragSource = view;
1129     }
1130     else {
1131         view->deleteLater();
1132     }
1133 }
1134
1135 void DolphinView::observeCreatedItem(const KUrl& url)
1136 {
1137     m_createdItemUrl = url;
1138     connect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1139             this, SLOT(selectAndScrollToCreatedItem()));
1140 }
1141
1142 void DolphinView::selectAndScrollToCreatedItem()
1143 {
1144     const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_createdItemUrl);
1145     if (dirIndex.isValid()) {
1146         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1147         itemView()->setCurrentIndex(proxyIndex);
1148     }
1149
1150     disconnect(m_dolphinModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1151                this, SLOT(selectAndScrollToCreatedItem()));
1152     m_createdItemUrl = KUrl();
1153 }
1154
1155 void DolphinView::restoreSelection()
1156 {
1157     disconnect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1158     changeSelection(m_selectedItems);
1159 }
1160
1161 void DolphinView::emitContentsMoved()
1162 {
1163     // only emit the contents moved signal if:
1164     // - no directory loading is ongoing (this would reset the contents position
1165     //   always to (0, 0))
1166     // - if the Column View is active: the column view does an automatic
1167     //   positioning during the loading operation, which must be remembered
1168     if (!m_loadingDirectory || isColumnViewActive()) {
1169         const QPoint pos(contentsPosition());
1170         emit contentsMoved(pos.x(), pos.y());
1171     }
1172 }
1173
1174 void DolphinView::showHoverInformation(const KFileItem& item)
1175 {
1176     emit requestItemInfo(item);
1177 }
1178
1179 void DolphinView::clearHoverInformation()
1180 {
1181     emit requestItemInfo(KFileItem());
1182 }
1183
1184 void DolphinView::slotDeleteFileFinished(KJob* job)
1185 {
1186     if (job->error() == 0) {
1187         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1188     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1189         emit errorMessage(job->errorString());
1190     }
1191 }
1192
1193 void DolphinView::slotRequestUrlChange(const KUrl& url)
1194 {
1195     emit requestUrlChange(url);
1196     m_controller->setUrl(url);
1197 }
1198
1199 void DolphinView::slotDirListerCompleted()
1200 {
1201     if (!m_activeItemUrl.isEmpty()) {
1202         // assure that the current item remains visible
1203         const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_activeItemUrl);
1204         if (dirIndex.isValid()) {
1205             const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
1206             QAbstractItemView* view = itemView();
1207             const bool clearSelection = !hasSelection();
1208             view->setCurrentIndex(proxyIndex);
1209             if (clearSelection) {
1210                 view->clearSelection();
1211             }
1212             m_activeItemUrl.clear();
1213         }
1214     }
1215
1216     if (!m_newFileNames.isEmpty()) {
1217         // select all newly added items created by a paste operation or
1218         // a drag & drop operation
1219         QItemSelectionModel* selectionModel = itemView()->selectionModel();
1220         const int rowCount = m_proxyModel->rowCount();
1221         for (int row = 0; row < rowCount; ++row) {
1222             const QModelIndex proxyIndex = m_proxyModel->index(row, 0);
1223             const QModelIndex dirIndex = m_proxyModel->mapToSource(proxyIndex);
1224             const KUrl url = m_dolphinModel->itemForIndex(dirIndex).url();
1225             if (m_newFileNames.contains(url.fileName())) {
1226                 selectionModel->select(proxyIndex, QItemSelectionModel::Select);
1227             }
1228         }
1229
1230         m_newFileNames.clear();
1231     }
1232 }
1233
1234 void DolphinView::slotRefreshItems()
1235 {
1236     if (m_assureVisibleCurrentIndex) {
1237         m_assureVisibleCurrentIndex = false;
1238         itemView()->scrollTo(itemView()->currentIndex());
1239     }
1240 }
1241
1242 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1243 {
1244     if (!url.isValid()) {
1245         const QString location(url.pathOrUrl());
1246         if (location.isEmpty()) {
1247             emit errorMessage(i18nc("@info:status", "The location is empty."));
1248         } else {
1249             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1250         }
1251         return;
1252     }
1253
1254     m_loadingDirectory = true;
1255
1256     if (reload) {
1257         m_selectedItems = selectedItems();
1258         connect(m_dirLister, SIGNAL(completed()), this, SLOT(restoreSelection()));
1259     }
1260
1261     m_dirLister->stop();
1262     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1263
1264     if (isColumnViewActive()) {
1265         // adjusting the directory lister is not enough in the case of the
1266         // column view, as each column has its own directory lister internally...
1267         if (reload) {
1268             m_columnView->reload();
1269         } else {
1270             m_columnView->showColumn(url);
1271         }
1272     }
1273 }
1274
1275 KUrl DolphinView::viewPropertiesUrl() const
1276 {
1277     if (isColumnViewActive()) {
1278         return m_columnView->rootUrl();
1279     }
1280
1281     return url();
1282 }
1283
1284 void DolphinView::applyViewProperties(const KUrl& url)
1285 {
1286     if (m_ignoreViewProperties) {
1287         return;
1288     }
1289
1290     if (isColumnViewActive() && rootUrl().isParentOf(url)) {
1291         // The column view is active, hence don't apply the view properties
1292         // of sub directories (represented by columns) to the view. The
1293         // view always represents the properties of the first column.
1294         return;
1295     }
1296
1297     const ViewProperties props(url);
1298
1299     const Mode mode = props.viewMode();
1300     if (m_mode != mode) {
1301         const int oldZoomLevel = m_controller->zoomLevel();
1302
1303         m_mode = mode;
1304         createView();
1305         emit modeChanged();
1306
1307         updateZoomLevel(oldZoomLevel);
1308     }
1309     if (itemView() == 0) {
1310         createView();
1311     }
1312     Q_ASSERT(itemView() != 0);
1313     Q_ASSERT(m_fileItemDelegate != 0);
1314
1315     const bool showHiddenFiles = props.showHiddenFiles();
1316     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
1317         m_dirLister->setShowingDotFiles(showHiddenFiles);
1318         emit showHiddenFilesChanged();
1319     }
1320
1321     m_storedCategorizedSorting = props.categorizedSorting();
1322     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1323     if (categorized != m_proxyModel->isCategorizedModel()) {
1324         m_proxyModel->setCategorizedModel(categorized);
1325         emit categorizedSortingChanged();
1326     }
1327
1328     const DolphinView::Sorting sorting = props.sorting();
1329     if (sorting != m_proxyModel->sorting()) {
1330         m_proxyModel->setSorting(sorting);
1331         emit sortingChanged(sorting);
1332     }
1333
1334     const Qt::SortOrder sortOrder = props.sortOrder();
1335     if (sortOrder != m_proxyModel->sortOrder()) {
1336         m_proxyModel->setSortOrder(sortOrder);
1337         emit sortOrderChanged(sortOrder);
1338     }
1339
1340     const bool sortFoldersFirst = props.sortFoldersFirst();
1341     if (sortFoldersFirst != m_proxyModel->sortFoldersFirst()) {
1342         m_proxyModel->setSortFoldersFirst(sortFoldersFirst);
1343         emit sortFoldersFirstChanged(sortFoldersFirst);
1344     }
1345
1346     KFileItemDelegate::InformationList info = props.additionalInfo();
1347     if (info != m_fileItemDelegate->showInformation()) {
1348         m_fileItemDelegate->setShowInformation(info);
1349         emit additionalInfoChanged();
1350     }
1351
1352     const bool showPreview = props.showPreview();
1353     if (showPreview != m_showPreview) {
1354         m_showPreview = showPreview;
1355         m_previewGenerator->setPreviewShown(showPreview);
1356
1357         const int oldZoomLevel = m_controller->zoomLevel();
1358         emit showPreviewChanged();
1359
1360         // Enabling or disabling the preview might change the icon size of the view.
1361         // As the view does not emit a signal when the icon size has been changed,
1362         // the used zoom level of the controller must be adjusted manually:
1363         updateZoomLevel(oldZoomLevel);
1364     }
1365
1366     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1367         // During the lifetime of a DolphinView instance the global view properties
1368         // should not be changed. This allows e. g. to split a view and use different
1369         // view properties for each view.
1370         m_ignoreViewProperties = true;
1371     }
1372 }
1373
1374 void DolphinView::createView()
1375 {
1376     deleteView();
1377     Q_ASSERT(m_iconsView == 0);
1378     Q_ASSERT(m_detailsView == 0);
1379     Q_ASSERT(m_columnView == 0);
1380
1381     QAbstractItemView* view = 0;
1382     switch (m_mode) {
1383     case IconsView: {
1384         m_iconsView = new DolphinIconsView(this, m_controller);
1385         view = m_iconsView;
1386         break;
1387     }
1388
1389     case DetailsView:
1390         m_detailsView = new DolphinDetailsView(this, m_controller);
1391         view = m_detailsView;
1392         break;
1393
1394     case ColumnView:
1395         m_columnView = new DolphinColumnView(this, m_controller);
1396         view = m_columnView;
1397         break;
1398     }
1399
1400     Q_ASSERT(view != 0);
1401     view->installEventFilter(this);
1402     view->viewport()->installEventFilter(this);
1403     setFocusProxy(view);
1404
1405     if (m_mode != ColumnView) {
1406         // Give the view the ability to auto-expand its directories on hovering
1407         // (the column view takes care about this itself). If the details view
1408         // uses expandable folders, the auto-expanding should be used always.
1409         DolphinSettings& settings = DolphinSettings::instance();
1410         const bool enabled = settings.generalSettings()->autoExpandFolders() ||
1411                             ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1412
1413         FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
1414         folderExpander->setEnabled(enabled);
1415         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1416                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1417     }
1418     else {
1419         // Listen out for requests to delete the current column.
1420         connect(m_columnView, SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1421                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1422     }
1423
1424     m_controller->setItemView(view);
1425
1426     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1427     m_fileItemDelegate->setShowToolTipWhenElided(false);
1428     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1429     view->setItemDelegate(m_fileItemDelegate);
1430
1431     view->setModel(m_proxyModel);
1432     if (m_selectionModel != 0) {
1433         view->setSelectionModel(m_selectionModel);
1434     } else {
1435         m_selectionModel = view->selectionModel();
1436     }
1437
1438     // reparent the selection model, as it should not be deleted
1439     // when deleting the model
1440     m_selectionModel->setParent(this);
1441
1442     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1443
1444     m_previewGenerator = new KFilePreviewGenerator(view);
1445     m_previewGenerator->setPreviewShown(m_showPreview);
1446
1447     if (DolphinSettings::instance().generalSettings()->showToolTips()) {
1448         m_toolTipManager = new ToolTipManager(view, m_proxyModel);
1449         connect(m_controller, SIGNAL(hideToolTip()),
1450                 m_toolTipManager, SLOT(hideTip()));
1451     }
1452
1453     m_topLayout->insertWidget(1, view);
1454
1455     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1456             this, SLOT(emitSelectionChangedSignal()));
1457     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1458             this, SLOT(emitContentsMoved()));
1459     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1460             this, SLOT(emitContentsMoved()));
1461 }
1462
1463 void DolphinView::deleteView()
1464 {
1465     QAbstractItemView* view = itemView();
1466     if (view != 0) {
1467         // It's important to set the keyboard focus to the parent
1468         // before deleting the view: Otherwise when having a split
1469         // view the other view will get the focus and will request
1470         // an activation (see DolphinView::eventFilter()).
1471         setFocusProxy(0);
1472         setFocus();
1473
1474         m_topLayout->removeWidget(view);
1475         view->close();
1476
1477         // m_previewGenerator's parent is not always destroyed, and we
1478         // don't want two active at once - manually delete.
1479         delete m_previewGenerator;
1480         m_previewGenerator = 0;
1481
1482         disconnect(view);
1483         m_controller->disconnect(view);
1484         view->disconnect();
1485
1486         deleteWhenNotDragSource(view);
1487         view = 0;
1488
1489         m_iconsView = 0;
1490         m_detailsView = 0;
1491         m_columnView = 0;
1492         m_fileItemDelegate = 0;
1493         m_toolTipManager = 0;
1494     }
1495 }
1496
1497 QAbstractItemView* DolphinView::itemView() const
1498 {
1499     if (m_detailsView != 0) {
1500         return m_detailsView;
1501     } else if (m_columnView != 0) {
1502         return m_columnView;
1503     }
1504
1505     return m_iconsView;
1506 }
1507
1508 void DolphinView::pasteToUrl(const KUrl& url)
1509 {
1510     addNewFileNames(QApplication::clipboard()->mimeData());
1511     KonqOperations::doPaste(this, url);
1512 }
1513
1514 void DolphinView::updateZoomLevel(int oldZoomLevel)
1515 {
1516     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(itemView()->iconSize());
1517     if (oldZoomLevel != newZoomLevel) {
1518         m_controller->setZoomLevel(newZoomLevel);
1519         emit zoomLevelChanged(newZoomLevel);
1520     }
1521 }
1522
1523 KUrl::List DolphinView::simplifiedSelectedUrls() const
1524 {
1525     KUrl::List list = selectedUrls();
1526     if (itemsExpandable() ) {
1527         list = KDirModel::simplifiedUrlList(list);
1528     }
1529     return list;
1530 }
1531
1532 QMimeData* DolphinView::selectionMimeData() const
1533 {
1534     if (isColumnViewActive()) {
1535         return m_columnView->selectionMimeData();
1536     }
1537
1538     const QAbstractItemView* view = itemView();
1539     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1540     const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
1541     return m_dolphinModel->mimeData(selection.indexes());
1542 }
1543
1544 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1545 {
1546     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1547     foreach (const KUrl& url, urls) {
1548         m_newFileNames.insert(url.fileName());
1549     }
1550 }
1551
1552 #include "dolphinview.moc"