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 <kiconeffect.h>
  35 #include <kfileitem.h>
  36 #include <klocale.h>
  37 #include <kio/deletejob.h>
  38 #include <kio/netaccess.h>
  39 #include <kio/previewjob.h>
  40 #include <kjob.h>
  41 #include <kmenu.h>
  42 #include <kmessagebox.h>
  43 #include <kmimetyperesolver.h>
  44 #include <konq_fileitemcapabilities.h>
  45 #include <konq_operations.h>
  46 #include <konqmimedata.h>
  47 #include <kstringhandler.h>
  48 #include <ktoggleaction.h>
  49 #include <kurl.h>
  50
  51 #include "dolphinmodel.h"
  52 #include "dolphincolumnviewcontainer.h"
  53 #include "dolphincontroller.h"
  54 #include "dolphindetailsview.h"
  55 #include "dolphinfileitemdelegate.h"
  56 #include "dolphinnewmenuobserver.h"
  57 #include "dolphinsortfilterproxymodel.h"
  58 #include "dolphin_detailsmodesettings.h"
  59 #include "dolphiniconsview.h"
  60 #include "dolphin_generalsettings.h"
  61 #include "draganddrophelper.h"
  62 #include "folderexpander.h"
  63 #include "renamedialog.h"
  64 #include "settings/dolphinsettings.h"
  65 #include "versioncontrolobserver.h"
  66 #include "viewproperties.h"
  67 #include "zoomlevelinfo.h"
  68
  69 /**
  70  * Helper function for sorting items with qSort() in
  71  * DolphinView::renameSelectedItems().
  72  */
  73 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  74 {
  75     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  76 }
  77
  78 DolphinView::DolphinView(QWidget* parent,
  79                          const KUrl& url,
  80                          DolphinSortFilterProxyModel* proxyModel) :
  81     QWidget(parent),
  82     m_active(true),
  83     m_showPreview(false),
  84     m_loadingDirectory(false),
  85     m_storedCategorizedSorting(false),
  86     m_tabsForFiles(false),
  87     m_isContextMenuOpen(false),
  88     m_ignoreViewProperties(false),
  89     m_assureVisibleCurrentIndex(false),
  90     m_mode(DolphinView::IconsView),
  91     m_topLayout(0),
  92     m_controller(0),
  93     m_fileItemDelegate(0),
  94     m_viewAccessor(proxyModel),
  95     m_selectionModel(0),
  96     m_selectionChangedTimer(0),
  97     m_versionControlObserver(0),
  98     m_rootUrl(),
  99     m_activeItemUrl(),
 100     m_createdItemUrl(),
 101     m_selectedItems(),
 102     m_newFileNames(),
 103     m_expandedDragSource(0)
 104 {
 105     m_topLayout = new QVBoxLayout(this);
 106     m_topLayout->setSpacing(0);
 107     m_topLayout->setMargin(0);
 108
 109     m_controller = new DolphinController(this);
 110     m_controller->setUrl(url);
 111
 112     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 113             this, SIGNAL(urlChanged(const KUrl&)));
 114     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
 115             this, SLOT(slotRequestUrlChange(const KUrl&)));
 116
 117     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&, const QList<QAction*>&)),
 118             this, SLOT(openContextMenu(const QPoint&, const QList<QAction*>&)));
 119     connect(m_controller, SIGNAL(urlsDropped(const KFileItem&, const KUrl&, QDropEvent*)),
 120             this, SLOT(dropUrls(const KFileItem&, const KUrl&, QDropEvent*)));
 121     connect(m_controller, SIGNAL(sortingChanged(DolphinView::Sorting)),
 122             this, SLOT(updateSorting(DolphinView::Sorting)));
 123     connect(m_controller, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 124             this, SLOT(updateSortOrder(Qt::SortOrder)));
 125     connect(m_controller, SIGNAL(sortFoldersFirstChanged(bool)),
 126             this, SLOT(updateSortFoldersFirst(bool)));
 127     connect(m_controller, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 128             this, SLOT(updateAdditionalInfo(const KFileItemDelegate::InformationList&)));
 129     connect(m_controller, SIGNAL(itemTriggered(const KFileItem&)),
 130             this, SLOT(triggerItem(const KFileItem&)));
 131     connect(m_controller, SIGNAL(tabRequested(const KUrl&)),
 132             this, SIGNAL(tabRequested(const KUrl&)));
 133     connect(m_controller, SIGNAL(activated()),
 134             this, SLOT(activate()));
 135     connect(m_controller, SIGNAL(itemEntered(const KFileItem&)),
 136             this, SLOT(showHoverInformation(const KFileItem&)));
 137     connect(m_controller, SIGNAL(viewportEntered()),
 138             this, SLOT(clearHoverInformation()));
 139
 140     KDirLister* dirLister = m_viewAccessor.dirLister();
 141     connect(dirLister, SIGNAL(redirection(KUrl, KUrl)),
 142             this, SIGNAL(redirection(KUrl, KUrl)));
 143     connect(dirLister, SIGNAL(completed()),
 144             this, SLOT(slotDirListerCompleted()));
 145     connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
 146             this, SLOT(slotRefreshItems()));
 147
 148     // When a new item has been created by the "Create New..." menu, the item should
 149     // get selected and it must be assured that the item will get visible. As the
 150     // creation is done asynchronously, several signals must be checked:
 151     connect(&DolphinNewMenuObserver::instance(), SIGNAL(itemCreated(const KUrl&)),
 152             this, SLOT(observeCreatedItem(const KUrl&)));
 153
 154     applyViewProperties();
 155     m_topLayout->addWidget(m_viewAccessor.itemView());
 156 }
 157
 158 DolphinView::~DolphinView()
 159 {
 160     delete m_expandedDragSource;
 161     m_expandedDragSource = 0;
 162 }
 163
 164 const KUrl& DolphinView::url() const
 165 {
 166     return m_controller->url();
 167 }
 168
 169 KUrl DolphinView::rootUrl() const
 170 {
 171     const KUrl viewUrl = url();
 172     const KUrl root = m_viewAccessor.rootUrl();
 173     if (root.isEmpty() || !root.isParentOf(viewUrl)) {
 174         return viewUrl;
 175     }
 176     return root;
 177 }
 178
 179 void DolphinView::setActive(bool active)
 180 {
 181     if (active == m_active) {
 182         return;
 183     }
 184
 185     m_active = active;
 186
 187     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 188     if (active) {
 189         emitSelectionChangedSignal();
 190     } else {
 191         color.setAlpha(150);
 192     }
 193
 194     QWidget* viewport = m_viewAccessor.itemView()->viewport();
 195     QPalette palette;
 196     palette.setColor(viewport->backgroundRole(), color);
 197     viewport->setPalette(palette);
 198
 199     update();
 200
 201     if (active) {
 202         m_viewAccessor.itemView()->setFocus();
 203         emit activated();
 204     }
 205
 206     m_controller->indicateActivationChange(active);
 207 }
 208
 209 bool DolphinView::isActive() const
 210 {
 211     return m_active;
 212 }
 213
 214 void DolphinView::setMode(Mode mode)
 215 {
 216     if (mode == m_mode) {
 217         return; // the wished mode is already set
 218     }
 219
 220     const int oldZoomLevel = m_controller->zoomLevel();
 221     m_mode = mode;
 222
 223     deleteView();
 224
 225     const KUrl viewPropsUrl = rootUrl();
 226     ViewProperties props(viewPropsUrl);
 227     props.setViewMode(m_mode);
 228     createView();
 229
 230     // the file item delegate has been recreated, apply the current
 231     // additional information manually
 232     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
 233     m_fileItemDelegate->setShowInformation(infoList);
 234     emit additionalInfoChanged();
 235
 236     // Not all view modes support categorized sorting. Adjust the sorting model
 237     // if changing the view mode results in a change of the categorized sorting
 238     // capabilities.
 239     m_storedCategorizedSorting = props.categorizedSorting();
 240     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
 241     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
 242         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 243         emit categorizedSortingChanged();
 244     }
 245
 246     emit modeChanged();
 247
 248     updateZoomLevel(oldZoomLevel);
 249     if (m_showPreview) {
 250         loadDirectory(viewPropsUrl);
 251     }
 252 }
 253
 254 DolphinView::Mode DolphinView::mode() const
 255 {
 256     return m_mode;
 257 }
 258
 259 bool DolphinView::showPreview() const
 260 {
 261     return m_showPreview;
 262 }
 263
 264 bool DolphinView::showHiddenFiles() const
 265 {
 266     return m_viewAccessor.dirLister()->showingDotFiles();
 267 }
 268
 269 bool DolphinView::categorizedSorting() const
 270 {
 271     // If all view modes would support categorized sorting, returning
 272     // m_viewAccessor.proxyModel()->isCategorizedModel() would be the way to go. As
 273     // currently only the icons view supports caterized sorting, we remember
 274     // the stored view properties state in m_storedCategorizedSorting and
 275     // return this state. The application takes care to disable the corresponding
 276     // checkbox by checking DolphinView::supportsCategorizedSorting() to indicate
 277     // that this setting is not applied to the current view mode.
 278     return m_storedCategorizedSorting;
 279 }
 280
 281 bool DolphinView::supportsCategorizedSorting() const
 282 {
 283     return m_viewAccessor.supportsCategorizedSorting();
 284 }
 285
 286 void DolphinView::selectAll()
 287 {
 288     QAbstractItemView* view = m_viewAccessor.itemView();
 289     // TODO: there seems to be a bug in QAbstractItemView::selectAll(); if
 290     // the Ctrl-key is pressed (e. g. for Ctrl+A), selectAll() inverts the
 291     // selection instead of selecting all items. This is bypassed for KDE 4.0
 292     // by invoking clearSelection() first.
 293     view->clearSelection();
 294     view->selectAll();
 295 }
 296
 297 void DolphinView::invertSelection()
 298 {
 299     QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
 300     const QAbstractItemModel* itemModel = selectionModel->model();
 301
 302     const QModelIndex topLeft = itemModel->index(0, 0);
 303     const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
 304                                                      itemModel->columnCount() - 1);
 305
 306     const QItemSelection selection(topLeft, bottomRight);
 307     selectionModel->select(selection, QItemSelectionModel::Toggle);
 308 }
 309
 310 bool DolphinView::hasSelection() const
 311 {
 312     return m_viewAccessor.itemView()->selectionModel()->hasSelection();
 313 }
 314
 315 void DolphinView::clearSelection()
 316 {
 317     QItemSelectionModel* selModel = m_viewAccessor.itemView()->selectionModel();
 318     const QModelIndex currentIndex = selModel->currentIndex();
 319     selModel->setCurrentIndex(currentIndex, QItemSelectionModel::Current |
 320                                             QItemSelectionModel::Clear);
 321     m_selectedItems.clear();
 322 }
 323
 324 KFileItemList DolphinView::selectedItems() const
 325 {
 326     const QAbstractItemView* view = m_viewAccessor.itemView();
 327
 328     // Our view has a selection, we will map them back to the DolphinModel
 329     // and then fill the KFileItemList.
 330     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
 331
 332     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
 333     KFileItemList itemList;
 334
 335     const QModelIndexList indexList = selection.indexes();
 336     foreach (const QModelIndex &index, indexList) {
 337         KFileItem item = m_viewAccessor.dirModel()->itemForIndex(index);
 338         if (!item.isNull()) {
 339             itemList.append(item);
 340         }
 341     }
 342
 343     return itemList;
 344 }
 345
 346 KUrl::List DolphinView::selectedUrls() const
 347 {
 348     KUrl::List urls;
 349     const KFileItemList list = selectedItems();
 350     foreach (const KFileItem &item, list) {
 351         urls.append(item.url());
 352     }
 353     return urls;
 354 }
 355
 356 int DolphinView::selectedItemsCount() const
 357 {
 358     return m_viewAccessor.itemView()->selectionModel()->selectedIndexes().count();
 359 }
 360
 361 void DolphinView::setContentsPosition(int x, int y)
 362 {
 363     QAbstractItemView* view = m_viewAccessor.itemView();
 364     view->horizontalScrollBar()->setValue(x);
 365     view->verticalScrollBar()->setValue(y);
 366
 367     m_loadingDirectory = false;
 368 }
 369
 370 QPoint DolphinView::contentsPosition() const
 371 {
 372     const int x = m_viewAccessor.itemView()->horizontalScrollBar()->value();
 373     const int y = m_viewAccessor.itemView()->verticalScrollBar()->value();
 374     return QPoint(x, y);
 375 }
 376
 377 void DolphinView::setZoomLevel(int level)
 378 {
 379     if (level < ZoomLevelInfo::minimumLevel()) {
 380         level = ZoomLevelInfo::minimumLevel();
 381     } else if (level > ZoomLevelInfo::maximumLevel()) {
 382         level = ZoomLevelInfo::maximumLevel();
 383     }
 384
 385     if (level != zoomLevel()) {
 386         m_controller->setZoomLevel(level);
 387         emit zoomLevelChanged(level);
 388     }
 389 }
 390
 391 int DolphinView::zoomLevel() const
 392 {
 393     return m_controller->zoomLevel();
 394 }
 395
 396 void DolphinView::setSorting(Sorting sorting)
 397 {
 398     if (sorting != this->sorting()) {
 399         updateSorting(sorting);
 400     }
 401 }
 402
 403 DolphinView::Sorting DolphinView::sorting() const
 404 {
 405     return m_viewAccessor.proxyModel()->sorting();
 406 }
 407
 408 void DolphinView::setSortOrder(Qt::SortOrder order)
 409 {
 410     if (sortOrder() != order) {
 411         updateSortOrder(order);
 412     }
 413 }
 414
 415 Qt::SortOrder DolphinView::sortOrder() const
 416 {
 417     return m_viewAccessor.proxyModel()->sortOrder();
 418 }
 419
 420 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 421 {
 422     if (sortFoldersFirst() != foldersFirst) {
 423         updateSortFoldersFirst(foldersFirst);
 424     }
 425 }
 426
 427 bool DolphinView::sortFoldersFirst() const
 428 {
 429     return m_viewAccessor.proxyModel()->sortFoldersFirst();
 430 }
 431
 432 void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
 433 {
 434     const KUrl viewPropsUrl = rootUrl();
 435     ViewProperties props(viewPropsUrl);
 436     props.setAdditionalInfo(info);
 437     m_fileItemDelegate->setShowInformation(info);
 438
 439     emit additionalInfoChanged();
 440
 441     if (m_viewAccessor.reloadOnAdditionalInfoChange()) {
 442         loadDirectory(viewPropsUrl);
 443     }
 444 }
 445
 446 KFileItemDelegate::InformationList DolphinView::additionalInfo() const
 447 {
 448     return m_fileItemDelegate->showInformation();
 449 }
 450
 451 void DolphinView::reload()
 452 {
 453     setUrl(url());
 454     loadDirectory(url(), true);
 455 }
 456
 457 void DolphinView::refresh()
 458 {
 459     m_ignoreViewProperties = false;
 460
 461     const bool oldActivationState = m_active;
 462     const int oldZoomLevel = m_controller->zoomLevel();
 463     m_active = true;
 464
 465     createView();
 466     applyViewProperties();
 467     reload();
 468
 469     setActive(oldActivationState);
 470     updateZoomLevel(oldZoomLevel);
 471 }
 472
 473 void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
 474 {
 475     Q_UNUSED(rootUrl); // TODO: remove after columnview-cleanup has been finished
 476
 477     if (m_controller->url() == url) {
 478         return;
 479     }
 480
 481     m_controller->setUrl(url); // emits urlChanged, which we forward
 482     if (m_viewAccessor.prepareUrlChange(url)) {
 483         initializeView();
 484     }
 485     applyViewProperties();
 486     loadDirectory(url);
 487
 488     // When changing the URL there is no need to keep the version
 489     // data of the previous URL.
 490     m_viewAccessor.dirModel()->clearVersionData();
 491
 492     emit startedPathLoading(url);
 493 }
 494
 495 void DolphinView::setNameFilter(const QString& nameFilter)
 496 {
 497     m_controller->setNameFilter(nameFilter);
 498 }
 499
 500 void DolphinView::calculateItemCount(int& fileCount,
 501                                      int& folderCount,
 502                                      KIO::filesize_t& totalFileSize) const
 503 {
 504     foreach (const KFileItem& item, m_viewAccessor.dirLister()->items()) {
 505         if (item.isDir()) {
 506             ++folderCount;
 507         } else {
 508             ++fileCount;
 509             totalFileSize += item.size();
 510         }
 511     }
 512 }
 513
 514 QString DolphinView::statusBarText() const
 515 {
 516     QString text;
 517     int folderCount = 0;
 518     int fileCount = 0;
 519     KIO::filesize_t totalFileSize = 0;
 520
 521     if (hasSelection()) {
 522         // give a summary of the status of the selected files
 523         const KFileItemList list = selectedItems();
 524         if (list.isEmpty()) {
 525             // when an item is triggered, it is temporary selected but selectedItems()
 526             // will return an empty list
 527             return text;
 528         }
 529
 530         KFileItemList::const_iterator it = list.begin();
 531         const KFileItemList::const_iterator end = list.end();
 532         while (it != end) {
 533             const KFileItem& item = *it;
 534             if (item.isDir()) {
 535                 ++folderCount;
 536             } else {
 537                 ++fileCount;
 538                 totalFileSize += item.size();
 539             }
 540             ++it;
 541         }
 542
 543         if (folderCount + fileCount == 1) {
 544             // if only one item is selected, show the filename
 545             const QString name = list.first().name();
 546             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 547                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 548                                               name, KIO::convertSize(totalFileSize));
 549         } else {
 550             // at least 2 items are selected
 551             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 552             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 553             if ((folderCount > 0) && (fileCount > 0)) {
 554                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 555                              foldersText, filesText, KIO::convertSize(totalFileSize));
 556             } else if (fileCount > 0) {
 557                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 558             } else {
 559                 Q_ASSERT(folderCount > 0);
 560                 text = foldersText;
 561             }
 562         }
 563     } else {
 564         calculateItemCount(fileCount, folderCount, totalFileSize);
 565         text = KIO::itemsSummaryString(fileCount + folderCount,
 566                                        fileCount, folderCount,
 567                                        totalFileSize, true);
 568     }
 569
 570     return text;
 571 }
 572
 573 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 574 {
 575     return items.isEmpty()
 576            ? m_versionControlObserver->contextMenuActions(url().path(KUrl::AddTrailingSlash))
 577            : m_versionControlObserver->contextMenuActions(items);
 578 }
 579
 580 void DolphinView::setUrl(const KUrl& url)
 581 {
 582     m_newFileNames.clear();
 583     updateView(url, KUrl());
 584 }
 585
 586 void DolphinView::changeSelection(const KFileItemList& selection)
 587 {
 588     clearSelection();
 589     if (selection.isEmpty()) {
 590         return;
 591     }
 592     const KUrl& baseUrl = url();
 593     KUrl url;
 594     QItemSelection newSelection;
 595     foreach(const KFileItem& item, selection) {
 596         url = item.url().upUrl();
 597         if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
 598             QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
 599             newSelection.select(index, index);
 600         }
 601     }
 602     m_viewAccessor.itemView()->selectionModel()->select(newSelection,
 603                                          QItemSelectionModel::ClearAndSelect
 604                                          | QItemSelectionModel::Current);
 605 }
 606
 607 void DolphinView::renameSelectedItems()
 608 {
 609     KFileItemList items = selectedItems();
 610     const int itemCount = items.count();
 611     if (itemCount < 1) {
 612         return;
 613     }
 614
 615     if (itemCount > 1) {
 616         // More than one item has been selected for renaming. Open
 617         // a rename dialog and rename all items afterwards.
 618         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 619         if (dialog->exec() == QDialog::Rejected) {
 620             delete dialog;
 621             return;
 622         }
 623
 624         const QString newName = dialog->newName();
 625         if (newName.isEmpty()) {
 626             emit errorMessage(dialog->errorString());
 627             delete dialog;
 628             return;
 629         }
 630         delete dialog;
 631
 632         // the selection would be invalid after renaming the items, so just clear
 633         // it before
 634         clearSelection();
 635
 636         // TODO: check how this can be integrated into KIO::FileUndoManager/KonqOperations
 637         // as one operation instead of n rename operations like it is done now...
 638         Q_ASSERT(newName.contains('#'));
 639
 640         // currently the items are sorted by the selection order, resort
 641         // them by the file name
 642         qSort(items.begin(), items.end(), lessThan);
 643
 644         // iterate through all selected items and rename them...
 645         int index = 1;
 646         foreach (const KFileItem& item, items) {
 647             const KUrl& oldUrl = item.url();
 648             QString number;
 649             number.setNum(index++);
 650
 651             QString name = newName;
 652             name.replace('#', number);
 653
 654             if (oldUrl.fileName() != name) {
 655                 KUrl newUrl = oldUrl;
 656                 newUrl.setFileName(name);
 657                 KonqOperations::rename(this, oldUrl, newUrl);
 658             }
 659         }
 660     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
 661         Q_ASSERT(itemCount == 1);
 662         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 663         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 664         m_viewAccessor.itemView()->edit(proxyIndex);
 665     } else {
 666         Q_ASSERT(itemCount == 1);
 667
 668         QPointer<RenameDialog> dialog = new RenameDialog(this, items);
 669         if (dialog->exec() == QDialog::Rejected) {
 670             delete dialog;
 671             return;
 672         }
 673
 674         const QString newName = dialog->newName();
 675         if (newName.isEmpty()) {
 676             emit errorMessage(dialog->errorString());
 677             delete dialog;
 678             return;
 679         }
 680         delete dialog;
 681
 682         const KUrl& oldUrl = items.first().url();
 683         KUrl newUrl = oldUrl;
 684         newUrl.setFileName(newName);
 685         KonqOperations::rename(this, oldUrl, newUrl);
 686     }
 687
 688     // assure that the current index remains visible when KDirLister
 689     // will notify the view about changed items
 690     m_assureVisibleCurrentIndex = true;
 691 }
 692
 693 void DolphinView::trashSelectedItems()
 694 {
 695     const KUrl::List list = simplifiedSelectedUrls();
 696     KonqOperations::del(this, KonqOperations::TRASH, list);
 697 }
 698
 699 void DolphinView::deleteSelectedItems()
 700 {
 701     const KUrl::List list = simplifiedSelectedUrls();
 702     const bool del = KonqOperations::askDeleteConfirmation(list,
 703                      KonqOperations::DEL,
 704                      KonqOperations::DEFAULT_CONFIRMATION,
 705                      this);
 706
 707     if (del) {
 708         KIO::Job* job = KIO::del(list);
 709         connect(job, SIGNAL(result(KJob*)),
 710                 this, SLOT(slotDeleteFileFinished(KJob*)));
 711     }
 712 }
 713
 714 void DolphinView::cutSelectedItems()
 715 {
 716     QMimeData* mimeData = selectionMimeData();
 717     KonqMimeData::addIsCutSelection(mimeData, true);
 718     QApplication::clipboard()->setMimeData(mimeData);
 719 }
 720
 721 void DolphinView::copySelectedItems()
 722 {
 723     QMimeData* mimeData = selectionMimeData();
 724     QApplication::clipboard()->setMimeData(mimeData);
 725 }
 726
 727 void DolphinView::paste()
 728 {
 729     pasteToUrl(url());
 730 }
 731
 732 void DolphinView::pasteIntoFolder()
 733 {
 734     const KFileItemList items = selectedItems();
 735     if ((items.count() == 1) && items.first().isDir()) {
 736         pasteToUrl(items.first().url());
 737     }
 738 }
 739
 740 void DolphinView::setShowPreview(bool show)
 741 {
 742     if (m_showPreview == show) {
 743         return;
 744     }
 745
 746     const KUrl viewPropsUrl = rootUrl();
 747     ViewProperties props(viewPropsUrl);
 748     props.setShowPreview(show);
 749
 750     m_showPreview = show;
 751     const int oldZoomLevel = m_controller->zoomLevel();
 752     emit showPreviewChanged();
 753
 754     // Enabling or disabling the preview might change the icon size of the view.
 755     // As the view does not emit a signal when the icon size has been changed,
 756     // the used zoom level of the controller must be adjusted manually:
 757     updateZoomLevel(oldZoomLevel);
 758
 759     loadDirectory(viewPropsUrl);
 760 }
 761
 762 void DolphinView::setShowHiddenFiles(bool show)
 763 {
 764     if (m_viewAccessor.dirLister()->showingDotFiles() == show) {
 765         return;
 766     }
 767
 768     const KUrl viewPropsUrl = rootUrl();
 769     ViewProperties props(viewPropsUrl);
 770     props.setShowHiddenFiles(show);
 771
 772     m_viewAccessor.dirLister()->setShowingDotFiles(show);
 773     emit showHiddenFilesChanged();
 774
 775     loadDirectory(viewPropsUrl);
 776 }
 777
 778 void DolphinView::setCategorizedSorting(bool categorized)
 779 {
 780     if (categorized == categorizedSorting()) {
 781         return;
 782     }
 783
 784     // setCategorizedSorting(true) may only get invoked
 785     // if the view supports categorized sorting
 786     Q_ASSERT(!categorized || supportsCategorizedSorting());
 787
 788     ViewProperties props(rootUrl());
 789     props.setCategorizedSorting(categorized);
 790     props.save();
 791
 792     m_storedCategorizedSorting = categorized;
 793     m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 794
 795     emit categorizedSortingChanged();
 796 }
 797
 798 void DolphinView::toggleSortOrder()
 799 {
 800     const Qt::SortOrder order = (sortOrder() == Qt::AscendingOrder) ?
 801                                 Qt::DescendingOrder :
 802                                 Qt::AscendingOrder;
 803     setSortOrder(order);
 804 }
 805
 806 void DolphinView::toggleSortFoldersFirst()
 807 {
 808     setSortFoldersFirst(!sortFoldersFirst());
 809 }
 810
 811 void DolphinView::toggleAdditionalInfo(QAction* action)
 812 {
 813     const KFileItemDelegate::Information info =
 814         static_cast<KFileItemDelegate::Information>(action->data().toInt());
 815
 816     KFileItemDelegate::InformationList list = additionalInfo();
 817
 818     const bool show = action->isChecked();
 819
 820     const int index = list.indexOf(info);
 821     const bool containsInfo = (index >= 0);
 822     if (show && !containsInfo) {
 823         list.append(info);
 824         setAdditionalInfo(list);
 825     } else if (!show && containsInfo) {
 826         list.removeAt(index);
 827         setAdditionalInfo(list);
 828         Q_ASSERT(list.indexOf(info) < 0);
 829     }
 830 }
 831
 832 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 833 {
 834     QWidget::mouseReleaseEvent(event);
 835     setActive(true);
 836 }
 837
 838 void DolphinView::wheelEvent(QWheelEvent* event)
 839 {
 840     if (event->modifiers() & Qt::ControlModifier) {
 841         const int delta = event->delta();
 842         const int level = zoomLevel();
 843         if (delta > 0) {
 844             setZoomLevel(level + 1);
 845         } else if (delta < 0) {
 846             setZoomLevel(level - 1);
 847         }
 848         event->accept();
 849     }
 850 }
 851
 852 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 853 {
 854     switch (event->type()) {
 855     case QEvent::FocusIn:
 856         if (watched == m_viewAccessor.itemView()) {
 857             m_controller->requestActivation();
 858         }
 859         break;
 860
 861     case QEvent::MouseButtonPress:
 862         if ((watched == m_viewAccessor.itemView()->viewport()) && (m_expandedDragSource != 0)) {
 863             // Listening to a mousebutton press event to delete expanded views is a
 864             // workaround, as it seems impossible for the FolderExpander to know when
 865             // a dragging outside a view has been finished. However it works quite well:
 866             // A mousebutton press event indicates that a drag operation must be
 867             // finished already.
 868             m_expandedDragSource->deleteLater();
 869             m_expandedDragSource = 0;
 870         }
 871         break;
 872
 873     case QEvent::DragEnter:
 874         if (watched == m_viewAccessor.itemView()->viewport()) {
 875             setActive(true);
 876         }
 877         break;
 878
 879     case QEvent::KeyPress:
 880         if (watched == m_viewAccessor.itemView()) {
 881             // clear the selection when Escape has been pressed
 882             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 883             if (keyEvent->key() == Qt::Key_Escape) {
 884                 clearSelection();
 885             }
 886         }
 887         break;
 888
 889     default:
 890         break;
 891     }
 892
 893     return QWidget::eventFilter(watched, event);
 894 }
 895
 896 void DolphinView::activate()
 897 {
 898     setActive(true);
 899 }
 900
 901 void DolphinView::triggerItem(const KFileItem& item)
 902 {
 903     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 904     if ((modifier & Qt::ShiftModifier) || (modifier & Qt::ControlModifier)) {
 905         // items are selected by the user, hence don't trigger the
 906         // item specified by 'index'
 907         return;
 908     }
 909
 910     // TODO: the m_isContextMenuOpen check is a workaround for Qt-issue 207192
 911     if (item.isNull() || m_isContextMenuOpen) {
 912         return;
 913     }
 914
 915     emit itemTriggered(item); // caught by DolphinViewContainer or DolphinPart
 916 }
 917
 918 void DolphinView::emitDelayedSelectionChangedSignal()
 919 {
 920     // Invoke emitSelectionChangedSignal() with a delay of 300 ms. This assures
 921     // that fast selection changes don't result in expensive operations to
 922     // collect all file items for the signal (see DolphinView::selectedItems()).
 923     m_selectionChangedTimer->start();
 924 }
 925
 926 void DolphinView::emitSelectionChangedSignal()
 927 {
 928     emit selectionChanged(DolphinView::selectedItems());
 929 }
 930
 931 void DolphinView::openContextMenu(const QPoint& pos,
 932                                   const QList<QAction*>& customActions)
 933 {
 934     KFileItem item;
 935     const QModelIndex index = m_viewAccessor.itemView()->indexAt(pos);
 936     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 937         const QModelIndex dolphinModelIndex = m_viewAccessor.proxyModel()->mapToSource(index);
 938         item = m_viewAccessor.dirModel()->itemForIndex(dolphinModelIndex);
 939     }
 940
 941     m_isContextMenuOpen = true; // TODO: workaround for Qt-issue 207192
 942     emit requestContextMenu(item, url(), customActions);
 943     m_isContextMenuOpen = false;
 944 }
 945
 946 void DolphinView::dropUrls(const KFileItem& destItem,
 947                            const KUrl& destPath,
 948                            QDropEvent* event)
 949 {
 950     addNewFileNames(event->mimeData());
 951     DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 952 }
 953
 954 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 955 {
 956     ViewProperties props(rootUrl());
 957     props.setSorting(sorting);
 958
 959     m_viewAccessor.proxyModel()->setSorting(sorting);
 960
 961     emit sortingChanged(sorting);
 962 }
 963
 964 void DolphinView::updateSortOrder(Qt::SortOrder order)
 965 {
 966     ViewProperties props(rootUrl());
 967     props.setSortOrder(order);
 968
 969     m_viewAccessor.proxyModel()->setSortOrder(order);
 970
 971     emit sortOrderChanged(order);
 972 }
 973
 974 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 975 {
 976     ViewProperties props(rootUrl());
 977     props.setSortFoldersFirst(foldersFirst);
 978
 979     m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 980
 981     emit sortFoldersFirstChanged(foldersFirst);
 982 }
 983
 984 void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList& info)
 985 {
 986     ViewProperties props(rootUrl());
 987     props.setAdditionalInfo(info);
 988     props.save();
 989
 990     m_fileItemDelegate->setShowInformation(info);
 991
 992     emit additionalInfoChanged();
 993 }
 994
 995 void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
 996 {
 997     const bool enable = (m_mode == DolphinView::DetailsView) ||
 998                         (m_mode == DolphinView::IconsView);
 999
1000     QAction* showSizeInfo = collection->action("show_size_info");
1001     QAction* showDateInfo = collection->action("show_date_info");
1002     QAction* showPermissionsInfo = collection->action("show_permissions_info");
1003     QAction* showOwnerInfo = collection->action("show_owner_info");
1004     QAction* showGroupInfo = collection->action("show_group_info");
1005     QAction* showMimeInfo = collection->action("show_mime_info");
1006
1007     showSizeInfo->setChecked(false);
1008     showDateInfo->setChecked(false);
1009     showPermissionsInfo->setChecked(false);
1010     showOwnerInfo->setChecked(false);
1011     showGroupInfo->setChecked(false);
1012     showMimeInfo->setChecked(false);
1013
1014     showSizeInfo->setEnabled(enable);
1015     showDateInfo->setEnabled(enable);
1016     showPermissionsInfo->setEnabled(enable);
1017     showOwnerInfo->setEnabled(enable);
1018     showGroupInfo->setEnabled(enable);
1019     showMimeInfo->setEnabled(enable);
1020
1021     foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
1022         switch (info) {
1023         case KFileItemDelegate::Size:
1024             showSizeInfo->setChecked(true);
1025             break;
1026         case KFileItemDelegate::ModificationTime:
1027             showDateInfo->setChecked(true);
1028             break;
1029         case KFileItemDelegate::Permissions:
1030             showPermissionsInfo->setChecked(true);
1031             break;
1032         case KFileItemDelegate::Owner:
1033             showOwnerInfo->setChecked(true);
1034             break;
1035         case KFileItemDelegate::OwnerAndGroup:
1036             showGroupInfo->setChecked(true);
1037             break;
1038         case KFileItemDelegate::FriendlyMimeType:
1039             showMimeInfo->setChecked(true);
1040             break;
1041         default:
1042             break;
1043         }
1044     }
1045 }
1046
1047 QPair<bool, QString> DolphinView::pasteInfo() const
1048 {
1049     return KonqOperations::pasteInfo(url());
1050 }
1051
1052 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1053 {
1054     m_tabsForFiles = tabsForFiles;
1055 }
1056
1057 bool DolphinView::isTabsForFilesEnabled() const
1058 {
1059     return m_tabsForFiles;
1060 }
1061
1062 void DolphinView::activateItem(const KUrl& url)
1063 {
1064     m_activeItemUrl = url;
1065 }
1066
1067 bool DolphinView::itemsExpandable() const
1068 {
1069     return m_viewAccessor.itemsExpandable();
1070 }
1071
1072 void DolphinView::deleteWhenNotDragSource(QAbstractItemView *view)
1073 {
1074     if (view == 0)
1075         return;
1076
1077     if (DragAndDropHelper::instance().isDragSource(view)) {
1078         // We must store for later deletion.
1079         if (m_expandedDragSource != 0) {
1080             // The old stored view is obviously not the drag source anymore.
1081             m_expandedDragSource->deleteLater();
1082             m_expandedDragSource = 0;
1083         }
1084         view->hide();
1085         m_expandedDragSource = view;
1086     }
1087     else {
1088         view->deleteLater();
1089     }
1090 }
1091
1092 void DolphinView::observeCreatedItem(const KUrl& url)
1093 {
1094     m_createdItemUrl = url;
1095     connect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1096             this, SLOT(selectAndScrollToCreatedItem()));
1097 }
1098
1099 void DolphinView::selectAndScrollToCreatedItem()
1100 {
1101     const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1102     if (dirIndex.isValid()) {
1103         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1104         m_viewAccessor.itemView()->setCurrentIndex(proxyIndex);
1105     }
1106
1107     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(const QModelIndex&, int, int)),
1108                this, SLOT(selectAndScrollToCreatedItem()));
1109     m_createdItemUrl = KUrl();
1110 }
1111
1112 void DolphinView::restoreSelection()
1113 {
1114     disconnect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1115     changeSelection(m_selectedItems);
1116 }
1117
1118 void DolphinView::emitContentsMoved()
1119 {
1120     // only emit the contents moved signal if no directory loading is ongoing
1121     // (this would reset the contents position always to (0, 0))
1122     if (!m_loadingDirectory) {
1123         const QPoint pos(contentsPosition());
1124         emit contentsMoved(pos.x(), pos.y());
1125     }
1126 }
1127
1128 void DolphinView::showHoverInformation(const KFileItem& item)
1129 {
1130     emit requestItemInfo(item);
1131 }
1132
1133 void DolphinView::clearHoverInformation()
1134 {
1135     emit requestItemInfo(KFileItem());
1136 }
1137
1138 void DolphinView::slotDeleteFileFinished(KJob* job)
1139 {
1140     if (job->error() == 0) {
1141         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1142     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1143         emit errorMessage(job->errorString());
1144     }
1145 }
1146
1147 void DolphinView::slotRequestUrlChange(const KUrl& url)
1148 {
1149     emit requestUrlChange(url);
1150     m_controller->setUrl(url);
1151 }
1152
1153 void DolphinView::slotDirListerCompleted()
1154 {
1155     if (!m_activeItemUrl.isEmpty()) {
1156         // assure that the current item remains visible
1157         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_activeItemUrl);
1158         if (dirIndex.isValid()) {
1159             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1160             QAbstractItemView* view = m_viewAccessor.itemView();
1161             const bool clearSelection = !hasSelection();
1162             view->setCurrentIndex(proxyIndex);
1163             if (clearSelection) {
1164                 view->clearSelection();
1165             }
1166             m_activeItemUrl.clear();
1167         }
1168     }
1169
1170     if (!m_newFileNames.isEmpty()) {
1171         // select all newly added items created by a paste operation or
1172         // a drag & drop operation
1173         const int rowCount = m_viewAccessor.proxyModel()->rowCount();
1174         QItemSelection selection;
1175         for (int row = 0; row < rowCount; ++row) {
1176             const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->index(row, 0);
1177             const QModelIndex dirIndex = m_viewAccessor.proxyModel()->mapToSource(proxyIndex);
1178             const KUrl url = m_viewAccessor.dirModel()->itemForIndex(dirIndex).url();
1179             if (m_newFileNames.contains(url.fileName())) {
1180                 selection.merge(QItemSelection(proxyIndex, proxyIndex), QItemSelectionModel::Select);
1181             }
1182         }
1183         m_viewAccessor.itemView()->selectionModel()->select(selection, QItemSelectionModel::Select);
1184
1185         m_newFileNames.clear();
1186     }
1187 }
1188
1189 void DolphinView::slotRefreshItems()
1190 {
1191     if (m_assureVisibleCurrentIndex) {
1192         m_assureVisibleCurrentIndex = false;
1193         m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1194     }
1195 }
1196
1197 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1198 {
1199     if (!url.isValid()) {
1200         const QString location(url.pathOrUrl());
1201         if (location.isEmpty()) {
1202             emit errorMessage(i18nc("@info:status", "The location is empty."));
1203         } else {
1204             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1205         }
1206         return;
1207     }
1208
1209     m_loadingDirectory = true;
1210
1211     if (reload) {
1212         m_selectedItems = selectedItems();
1213         connect(m_viewAccessor.dirLister(), SIGNAL(completed()), this, SLOT(restoreSelection()));
1214     }
1215
1216     m_viewAccessor.dirLister()->stop();
1217     m_viewAccessor.dirLister()->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1218 }
1219
1220 void DolphinView::applyViewProperties()
1221 {
1222     if (m_ignoreViewProperties) {
1223         return;
1224     }
1225
1226     const ViewProperties props(rootUrl());
1227
1228     const Mode mode = props.viewMode();
1229     if (m_mode != mode) {
1230         const int oldZoomLevel = m_controller->zoomLevel();
1231
1232         m_mode = mode;
1233         createView();
1234         emit modeChanged();
1235
1236         updateZoomLevel(oldZoomLevel);
1237     }
1238     if (m_viewAccessor.itemView() == 0) {
1239         createView();
1240     }
1241     Q_ASSERT(m_viewAccessor.itemView() != 0);
1242     Q_ASSERT(m_fileItemDelegate != 0);
1243
1244     const bool showHiddenFiles = props.showHiddenFiles();
1245     if (showHiddenFiles != m_viewAccessor.dirLister()->showingDotFiles()) {
1246         m_viewAccessor.dirLister()->setShowingDotFiles(showHiddenFiles);
1247         emit showHiddenFilesChanged();
1248     }
1249
1250     m_storedCategorizedSorting = props.categorizedSorting();
1251     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1252     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1253         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1254         emit categorizedSortingChanged();
1255     }
1256
1257     const DolphinView::Sorting sorting = props.sorting();
1258     if (sorting != m_viewAccessor.proxyModel()->sorting()) {
1259         m_viewAccessor.proxyModel()->setSorting(sorting);
1260         emit sortingChanged(sorting);
1261     }
1262
1263     const Qt::SortOrder sortOrder = props.sortOrder();
1264     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1265         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1266         emit sortOrderChanged(sortOrder);
1267     }
1268
1269     const bool sortFoldersFirst = props.sortFoldersFirst();
1270     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1271         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1272         emit sortFoldersFirstChanged(sortFoldersFirst);
1273     }
1274
1275     KFileItemDelegate::InformationList info = props.additionalInfo();
1276     if (info != m_fileItemDelegate->showInformation()) {
1277         m_fileItemDelegate->setShowInformation(info);
1278         emit additionalInfoChanged();
1279     }
1280
1281     const bool showPreview = props.showPreview();
1282     if (showPreview != m_showPreview) {
1283         m_showPreview = showPreview;
1284         const int oldZoomLevel = m_controller->zoomLevel();
1285         emit showPreviewChanged();
1286
1287         // Enabling or disabling the preview might change the icon size of the view.
1288         // As the view does not emit a signal when the icon size has been changed,
1289         // the used zoom level of the controller must be adjusted manually:
1290         updateZoomLevel(oldZoomLevel);
1291     }
1292
1293     if (DolphinSettings::instance().generalSettings()->globalViewProps()) {
1294         // During the lifetime of a DolphinView instance the global view properties
1295         // should not be changed. This allows e. g. to split a view and use different
1296         // view properties for each view.
1297         m_ignoreViewProperties = true;
1298     }
1299 }
1300
1301 void DolphinView::createView()
1302 {
1303     deleteView();
1304     Q_ASSERT(m_viewAccessor.itemView() == 0);
1305     m_viewAccessor.createView(this, m_controller, m_mode);
1306     initializeView();
1307     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
1308 }
1309
1310 void DolphinView::deleteView()
1311 {
1312     QAbstractItemView* view = m_viewAccessor.itemView();
1313     if (view != 0) {
1314         // It's important to set the keyboard focus to the parent
1315         // before deleting the view: Otherwise when having a split
1316         // view the other view will get the focus and will request
1317         // an activation (see DolphinView::eventFilter()).
1318         setFocusProxy(0);
1319         setFocus();
1320
1321         m_topLayout->removeWidget(view);
1322         view->close();
1323
1324         disconnect(view);
1325         m_controller->disconnect(view);
1326         view->disconnect();
1327
1328         // TODO: move this code into ViewAccessor::deleteView()
1329         deleteWhenNotDragSource(view);
1330         view = 0;
1331
1332         m_viewAccessor.deleteView();
1333         m_fileItemDelegate = 0;
1334     }
1335 }
1336
1337 void DolphinView::initializeView()
1338 {
1339     QAbstractItemView* view = m_viewAccessor.itemView();
1340     Q_ASSERT(view != 0);
1341     view->installEventFilter(this);
1342     view->viewport()->installEventFilter(this);
1343     setFocusProxy(view);
1344
1345     //if (m_mode != ColumnView) {
1346         // Give the view the ability to auto-expand its directories on hovering
1347         // (the column view takes care about this itself). If the details view
1348         // uses expandable folders, the auto-expanding should be used always.
1349         FolderExpander* folderExpander = new FolderExpander(view, m_viewAccessor.proxyModel());
1350         folderExpander->setEnabled(m_viewAccessor.hasExpandableFolders());
1351         connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
1352                 m_controller, SLOT(triggerItem(const QModelIndex&)));
1353
1354     // TODO: enable again later
1355     /*}
1356     else {
1357         // Listen out for requests to delete the current column.
1358         connect(m_viewAccessor.columnsContainer(), SIGNAL(requestColumnDeletion(QAbstractItemView*)),
1359                 this, SLOT(deleteWhenNotDragSource(QAbstractItemView*)));
1360     }*/
1361
1362     m_controller->setItemView(view);
1363
1364     m_fileItemDelegate = new DolphinFileItemDelegate(view);
1365     m_fileItemDelegate->setShowToolTipWhenElided(false);
1366     m_fileItemDelegate->setMinimizedNameColumn(m_mode == DetailsView);
1367     view->setItemDelegate(m_fileItemDelegate);
1368
1369     view->setModel(m_viewAccessor.proxyModel());
1370     if (m_selectionModel != 0) {
1371         view->setSelectionModel(m_selectionModel);
1372     } else {
1373         m_selectionModel = view->selectionModel();
1374     }
1375
1376     m_selectionChangedTimer = new QTimer(this);
1377     m_selectionChangedTimer->setSingleShot(true);
1378     m_selectionChangedTimer->setInterval(300);
1379     connect(m_selectionChangedTimer, SIGNAL(timeout()),
1380             this, SLOT(emitSelectionChangedSignal()));
1381
1382     // reparent the selection model, as it should not be deleted
1383     // when deleting the model
1384     m_selectionModel->setParent(this);
1385
1386     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
1387
1388     m_versionControlObserver = new VersionControlObserver(view);
1389     connect(m_versionControlObserver, SIGNAL(infoMessage(const QString&)),
1390             this, SIGNAL(infoMessage(const QString&)));
1391     connect(m_versionControlObserver, SIGNAL(errorMessage(const QString&)),
1392             this, SIGNAL(errorMessage(const QString&)));
1393     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(const QString&)),
1394             this, SIGNAL(operationCompletedMessage(const QString&)));
1395
1396     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
1397             this, SLOT(emitDelayedSelectionChangedSignal()));
1398     connect(view->verticalScrollBar(), SIGNAL(valueChanged(int)),
1399             this, SLOT(emitContentsMoved()));
1400     connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)),
1401             this, SLOT(emitContentsMoved()));
1402 }
1403
1404 void DolphinView::pasteToUrl(const KUrl& url)
1405 {
1406     addNewFileNames(QApplication::clipboard()->mimeData());
1407     KonqOperations::doPaste(this, url);
1408 }
1409
1410 void DolphinView::updateZoomLevel(int oldZoomLevel)
1411 {
1412     const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1413     if (oldZoomLevel != newZoomLevel) {
1414         m_controller->setZoomLevel(newZoomLevel);
1415         emit zoomLevelChanged(newZoomLevel);
1416     }
1417 }
1418
1419 KUrl::List DolphinView::simplifiedSelectedUrls() const
1420 {
1421     KUrl::List list = selectedUrls();
1422     if (itemsExpandable() ) {
1423         list = KDirModel::simplifiedUrlList(list);
1424     }
1425     return list;
1426 }
1427
1428 QMimeData* DolphinView::selectionMimeData() const
1429 {
1430     const QAbstractItemView* view = m_viewAccessor.itemView();
1431     Q_ASSERT((view != 0) && (view->selectionModel() != 0));
1432     const QItemSelection selection = m_viewAccessor.proxyModel()->mapSelectionToSource(view->selectionModel()->selection());
1433     return m_viewAccessor.dirModel()->mimeData(selection.indexes());
1434 }
1435
1436 void DolphinView::addNewFileNames(const QMimeData* mimeData)
1437 {
1438     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1439     foreach (const KUrl& url, urls) {
1440         m_newFileNames.insert(url.fileName());
1441     }
1442 }
1443
1444 DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
1445     m_iconsView(0),
1446     m_detailsView(0),
1447     m_columnsContainer(0),
1448     m_proxyModel(proxyModel)
1449 {
1450 }
1451
1452 void DolphinView::ViewAccessor::createView(QWidget* parent,
1453                                            DolphinController* controller,
1454                                            Mode mode)
1455 {
1456     Q_ASSERT(itemView() == 0);
1457
1458     switch (mode) {
1459     case IconsView:
1460         m_iconsView = new DolphinIconsView(parent, controller, m_proxyModel);
1461         break;
1462
1463     case DetailsView:
1464         m_detailsView = new DolphinDetailsView(parent, controller, m_proxyModel);
1465         break;
1466
1467     case ColumnView:
1468         m_columnsContainer = new DolphinColumnViewContainer(parent, controller);
1469         break;
1470
1471     default:
1472         Q_ASSERT(false);
1473     }
1474 }
1475
1476 void DolphinView::ViewAccessor::deleteView()
1477 {
1478     // TODO: Move the deleteWhenNotDragSource() code into the view
1479     // accessor, so that creating and deleting is fully done by
1480     // the view accessor.
1481     m_iconsView = 0;
1482     m_detailsView = 0;
1483
1484     m_columnsContainer->deleteLater();
1485     m_columnsContainer = 0;
1486 }
1487
1488
1489 bool DolphinView::ViewAccessor::prepareUrlChange(const KUrl& url)
1490 {
1491     if (m_columnsContainer != 0) {
1492         return m_columnsContainer->showColumn(url);
1493     }
1494     return false;
1495 }
1496
1497 QAbstractItemView* DolphinView::ViewAccessor::itemView() const
1498 {
1499     if (m_iconsView != 0) {
1500         return m_iconsView;
1501     }
1502
1503     if (m_detailsView != 0) {
1504         return m_detailsView;
1505     }
1506
1507     if (m_columnsContainer != 0) {
1508         return m_columnsContainer->activeColumn();
1509     }
1510
1511     return 0;
1512 }
1513
1514 QWidget* DolphinView::ViewAccessor::layoutTarget() const
1515 {
1516     if (m_columnsContainer != 0) {
1517         return m_columnsContainer;
1518     }
1519     return itemView();
1520 }
1521
1522 KUrl DolphinView::ViewAccessor::rootUrl() const
1523 {
1524     return (m_columnsContainer != 0) ? m_columnsContainer->rootUrl() : KUrl();
1525 }
1526
1527 bool DolphinView::ViewAccessor::supportsCategorizedSorting() const
1528 {
1529     return m_iconsView != 0;
1530 }
1531
1532 bool DolphinView::ViewAccessor::hasExpandableFolders() const
1533 {
1534     const DolphinSettings& settings = DolphinSettings::instance();
1535     return settings.generalSettings()->autoExpandFolders() ||
1536            ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
1537 }
1538
1539 bool DolphinView::ViewAccessor::itemsExpandable() const
1540 {
1541     return (m_detailsView != 0) && m_detailsView->itemsExpandable();
1542 }
1543
1544 bool DolphinView::ViewAccessor::reloadOnAdditionalInfoChange() const
1545 {
1546     // the details view requires no reloading of the directory, as it maps
1547     // the file item delegate info to its columns internally
1548     return m_detailsView != 0;
1549 }
1550
1551
1552 DolphinModel* DolphinView::ViewAccessor::dirModel() const
1553 {
1554     return static_cast<DolphinModel*>(proxyModel()->sourceModel());
1555 }
1556
1557 DolphinSortFilterProxyModel* DolphinView::ViewAccessor::proxyModel() const
1558 {
1559     if (m_columnsContainer != 0) {
1560         return static_cast<DolphinSortFilterProxyModel*>(m_columnsContainer->activeColumn()->model());
1561     }
1562     return m_proxyModel;
1563 }
1564
1565 KDirLister* DolphinView::ViewAccessor::dirLister() const
1566 {
1567     return dirModel()->dirLister();
1568 }
1569
1570 #include "dolphinview.moc"