src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   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 <config-nepomuk.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QBoxLayout>
  28 #include <QClipboard>
  29 #include <QDropEvent>
  30 #include <QGraphicsSceneDragDropEvent>
  31 #include <QKeyEvent>
  32 #include <QItemSelection>
  33 #include <QTimer>
  34 #include <QScrollBar>
  35
  36 #include <KDesktopFile>
  37 #include <KProtocolManager>
  38 #include <KActionCollection>
  39 #include <KColorScheme>
  40 #include <KDirModel>
  41 #include <KIconEffect>
  42 #include <KFileItem>
  43 #include <KFileItemListProperties>
  44 #include <KLocale>
  45 #include <kitemviews/kfileitemmodel.h>
  46 #include <kitemviews/kfileitemlistview.h>
  47 #include <kitemviews/kitemlistcontainer.h>
  48 #include <kitemviews/kitemlistheader.h>
  49 #include <kitemviews/kitemlistselectionmanager.h>
  50 #include <kitemviews/kitemlistview.h>
  51 #include <kitemviews/kitemlistcontroller.h>
  52 #include <KIO/DeleteJob>
  53 #include <KIO/JobUiDelegate>
  54 #include <KIO/NetAccess>
  55 #include <KIO/PreviewJob>
  56 #include <KJob>
  57 #include <KMenu>
  58 #include <KMessageBox>
  59 #include <konq_fileitemcapabilities.h>
  60 #include <konq_operations.h>
  61 #include <konqmimedata.h>
  62 #include <KToggleAction>
  63 #include <KUrl>
  64
  65 #include "dolphinnewfilemenuobserver.h"
  66 #include "dolphin_detailsmodesettings.h"
  67 #include "dolphin_generalsettings.h"
  68 #include "dolphinitemlistview.h"
  69 #include "draganddrophelper.h"
  70 #include "renamedialog.h"
  71 #include "versioncontrol/versioncontrolobserver.h"
  72 #include "viewmodecontroller.h"
  73 #include "viewproperties.h"
  74 #include "views/tooltips/tooltipmanager.h"
  75 #include "zoomlevelinfo.h"
  76
  77 #ifdef HAVE_NEPOMUK
  78     #include <Nepomuk2/ResourceManager>
  79 #endif
  80
  81 namespace {
  82     const int MaxModeEnum = DolphinView::CompactView;
  83 };
  84
  85 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  86     QWidget(parent),
  87     m_active(true),
  88     m_tabsForFiles(false),
  89     m_assureVisibleCurrentIndex(false),
  90     m_isFolderWritable(true),
  91     m_dragging(false),
  92     m_url(url),
  93     m_viewPropertiesContext(),
  94     m_mode(DolphinView::IconsView),
  95     m_visibleRoles(),
  96     m_topLayout(0),
  97     m_model(0),
  98     m_view(0),
  99     m_container(0),
 100     m_toolTipManager(0),
 101     m_selectionChangedTimer(0),
 102     m_currentItemUrl(),
 103     m_scrollToCurrentItem(false),
 104     m_restoredContentsPosition(),
 105     m_selectedUrls(),
 106     m_clearSelectionBeforeSelectingNewItems(false),
 107     m_markFirstNewlySelectedItemAsCurrent(false),
 108     m_versionControlObserver(0)
 109 {
 110     m_topLayout = new QVBoxLayout(this);
 111     m_topLayout->setSpacing(0);
 112     m_topLayout->setMargin(0);
 113
 114     // When a new item has been created by the "Create New..." menu, the item should
 115     // get selected and it must be assured that the item will get visible. As the
 116     // creation is done asynchronously, several signals must be checked:
 117     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 118             this, SLOT(observeCreatedItem(KUrl)));
 119
 120     m_selectionChangedTimer = new QTimer(this);
 121     m_selectionChangedTimer->setSingleShot(true);
 122     m_selectionChangedTimer->setInterval(300);
 123     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 124             this, SLOT(emitSelectionChangedSignal()));
 125
 126     m_model = new KFileItemModel(this);
 127     m_view = new DolphinItemListView();
 128     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 129     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 130     applyModeToView();
 131
 132     KItemListController* controller = new KItemListController(m_model, m_view, this);
 133     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 134     controller->setAutoActivationDelay(delay);
 135
 136     // The EnlargeSmallPreviews setting can only be changed after the model
 137     // has been set in the view by KItemListController.
 138     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 139
 140     m_container = new KItemListContainer(controller, this);
 141     m_container->installEventFilter(this);
 142     setFocusProxy(m_container);
 143     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 144     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 145
 146     controller->setSelectionBehavior(KItemListController::MultiSelection);
 147     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 148     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 149     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 150     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 151     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 152     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 153     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 154     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 155     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 156     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 157     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 158
 159     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 160     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 161     connect(m_model, SIGNAL(directoryLoadingCanceled()),      this, SIGNAL(directoryLoadingCanceled()));
 162     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 163     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 164     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 165             this, SLOT(slotItemsChanged()));
 166     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 167     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 168     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 169     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 170     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 171     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 172
 173     m_view->installEventFilter(this);
 174     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 175             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 176     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 177             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 178     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 179             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 180     connect(m_view, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 181             this, SLOT(slotRoleEditingCanceled()));
 182     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 183             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 184
 185     KItemListSelectionManager* selectionManager = controller->selectionManager();
 186     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 187             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 188
 189     m_toolTipManager = new ToolTipManager(this);
 190
 191     m_versionControlObserver = new VersionControlObserver(this);
 192     m_versionControlObserver->setModel(m_model);
 193     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 194     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 195     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 196
 197     applyViewProperties();
 198     m_topLayout->addWidget(m_container);
 199
 200     loadDirectory(url);
 201 }
 202
 203 DolphinView::~DolphinView()
 204 {
 205 }
 206
 207 KUrl DolphinView::url() const
 208 {
 209     return m_url;
 210 }
 211
 212 void DolphinView::setActive(bool active)
 213 {
 214     if (active == m_active) {
 215         return;
 216     }
 217
 218     m_active = active;
 219
 220     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 221     if (!active) {
 222         color.setAlpha(150);
 223     }
 224
 225     QWidget* viewport = m_container->viewport();
 226     if (viewport) {
 227         QPalette palette;
 228         palette.setColor(viewport->backgroundRole(), color);
 229         viewport->setPalette(palette);
 230     }
 231
 232     update();
 233
 234     if (active) {
 235         m_container->setFocus();
 236         emit activated();
 237         emit writeStateChanged(m_isFolderWritable);
 238     }
 239 }
 240
 241 bool DolphinView::isActive() const
 242 {
 243     return m_active;
 244 }
 245
 246 void DolphinView::setMode(Mode mode)
 247 {
 248     if (mode != m_mode) {
 249         ViewProperties props(viewPropertiesUrl());
 250         props.setViewMode(mode);
 251
 252         // We pass the new ViewProperties to applyViewProperties, rather than
 253         // storing them on disk and letting applyViewProperties() read them
 254         // from there, to prevent that changing the view mode fails if the
 255         // .directory file is not writable (see bug 318534).
 256         applyViewProperties(props);
 257     }
 258 }
 259
 260 DolphinView::Mode DolphinView::mode() const
 261 {
 262     return m_mode;
 263 }
 264
 265 void DolphinView::setPreviewsShown(bool show)
 266 {
 267     if (previewsShown() == show) {
 268         return;
 269     }
 270
 271     ViewProperties props(viewPropertiesUrl());
 272     props.setPreviewsShown(show);
 273
 274     const int oldZoomLevel = m_view->zoomLevel();
 275     m_view->setPreviewsShown(show);
 276     emit previewsShownChanged(show);
 277
 278     const int newZoomLevel = m_view->zoomLevel();
 279     if (newZoomLevel != oldZoomLevel) {
 280         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 281     }
 282 }
 283
 284 bool DolphinView::previewsShown() const
 285 {
 286     return m_view->previewsShown();
 287 }
 288
 289 void DolphinView::setHiddenFilesShown(bool show)
 290 {
 291     if (m_model->showHiddenFiles() == show) {
 292         return;
 293     }
 294
 295     const KFileItemList itemList = selectedItems();
 296     m_selectedUrls.clear();
 297     m_selectedUrls = itemList.urlList();
 298
 299     ViewProperties props(viewPropertiesUrl());
 300     props.setHiddenFilesShown(show);
 301
 302     m_model->setShowHiddenFiles(show);
 303     emit hiddenFilesShownChanged(show);
 304 }
 305
 306 bool DolphinView::hiddenFilesShown() const
 307 {
 308     return m_model->showHiddenFiles();
 309 }
 310
 311 void DolphinView::setGroupedSorting(bool grouped)
 312 {
 313     if (grouped == groupedSorting()) {
 314         return;
 315     }
 316
 317     ViewProperties props(viewPropertiesUrl());
 318     props.setGroupedSorting(grouped);
 319     props.save();
 320
 321     m_container->controller()->model()->setGroupedSorting(grouped);
 322
 323     emit groupedSortingChanged(grouped);
 324 }
 325
 326 bool DolphinView::groupedSorting() const
 327 {
 328     return m_model->groupedSorting();
 329 }
 330
 331 KFileItemList DolphinView::items() const
 332 {
 333     KFileItemList list;
 334     const int itemCount = m_model->count();
 335     list.reserve(itemCount);
 336
 337     for (int i = 0; i < itemCount; ++i) {
 338         list.append(m_model->fileItem(i));
 339     }
 340
 341     return list;
 342 }
 343
 344 int DolphinView::itemsCount() const
 345 {
 346     return m_model->count();
 347 }
 348
 349 KFileItemList DolphinView::selectedItems() const
 350 {
 351     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 352     QList<int> selectedIndexes = selectionManager->selectedItems().toList();
 353
 354     qSort(selectedIndexes);
 355
 356     KFileItemList selectedItems;
 357     QListIterator<int> it(selectedIndexes);
 358     while (it.hasNext()) {
 359         const int index = it.next();
 360         selectedItems.append(m_model->fileItem(index));
 361     }
 362     return selectedItems;
 363 }
 364
 365 int DolphinView::selectedItemsCount() const
 366 {
 367     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 368     return selectionManager->selectedItems().count();
 369 }
 370
 371 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 372 {
 373     m_selectedUrls = urls;
 374 }
 375
 376 void DolphinView::markUrlAsCurrent(const KUrl& url)
 377 {
 378     m_currentItemUrl = url;
 379     m_scrollToCurrentItem = true;
 380 }
 381
 382 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 383 {
 384     const KItemListSelectionManager::SelectionMode mode = enabled
 385                                                         ? KItemListSelectionManager::Select
 386                                                         : KItemListSelectionManager::Deselect;
 387     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 388
 389     for (int index = 0; index < m_model->count(); index++) {
 390         const KFileItem item = m_model->fileItem(index);
 391         if (pattern.exactMatch(item.text())) {
 392             // An alternative approach would be to store the matching items in a QSet<int> and
 393             // select them in one go after the loop, but we'd need a new function
 394             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 395             // for that.
 396             selectionManager->setSelected(index, 1, mode);
 397         }
 398     }
 399 }
 400
 401 void DolphinView::setZoomLevel(int level)
 402 {
 403     const int oldZoomLevel = zoomLevel();
 404     m_view->setZoomLevel(level);
 405     if (zoomLevel() != oldZoomLevel) {
 406         hideToolTip();
 407         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 408     }
 409 }
 410
 411 int DolphinView::zoomLevel() const
 412 {
 413     return m_view->zoomLevel();
 414 }
 415
 416 void DolphinView::setSortRole(const QByteArray& role)
 417 {
 418     if (role != sortRole()) {
 419         updateSortRole(role);
 420     }
 421 }
 422
 423 QByteArray DolphinView::sortRole() const
 424 {
 425     const KItemModelBase* model = m_container->controller()->model();
 426     return model->sortRole();
 427 }
 428
 429 void DolphinView::setSortOrder(Qt::SortOrder order)
 430 {
 431     if (sortOrder() != order) {
 432         updateSortOrder(order);
 433     }
 434 }
 435
 436 Qt::SortOrder DolphinView::sortOrder() const
 437 {
 438     return m_model->sortOrder();
 439 }
 440
 441 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 442 {
 443     if (sortFoldersFirst() != foldersFirst) {
 444         updateSortFoldersFirst(foldersFirst);
 445     }
 446 }
 447
 448 bool DolphinView::sortFoldersFirst() const
 449 {
 450     return m_model->sortDirectoriesFirst();
 451 }
 452
 453 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 454 {
 455     const QList<QByteArray> previousRoles = roles;
 456
 457     ViewProperties props(viewPropertiesUrl());
 458     props.setVisibleRoles(roles);
 459
 460     m_visibleRoles = roles;
 461     m_view->setVisibleRoles(roles);
 462
 463     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 464 }
 465
 466 QList<QByteArray> DolphinView::visibleRoles() const
 467 {
 468     return m_visibleRoles;
 469 }
 470
 471 void DolphinView::reload()
 472 {
 473     QByteArray viewState;
 474     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 475     saveState(saveStream);
 476
 477     const KFileItemList itemList = selectedItems();
 478     m_selectedUrls.clear();
 479     m_selectedUrls = itemList.urlList();
 480
 481     setUrl(url());
 482     loadDirectory(url(), true);
 483
 484     QDataStream restoreStream(viewState);
 485     restoreState(restoreStream);
 486 }
 487
 488 void DolphinView::stopLoading()
 489 {
 490     m_model->cancelDirectoryLoading();
 491 }
 492
 493 void DolphinView::readSettings()
 494 {
 495     const int oldZoomLevel = m_view->zoomLevel();
 496
 497     GeneralSettings::self()->readConfig();
 498     m_view->readSettings();
 499     applyViewProperties();
 500
 501     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 502     m_container->controller()->setAutoActivationDelay(delay);
 503
 504     const int newZoomLevel = m_view->zoomLevel();
 505     if (newZoomLevel != oldZoomLevel) {
 506         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 507     }
 508 }
 509
 510 void DolphinView::writeSettings()
 511 {
 512     GeneralSettings::self()->writeConfig();
 513     m_view->writeSettings();
 514 }
 515
 516 void DolphinView::setNameFilter(const QString& nameFilter)
 517 {
 518     m_model->setNameFilter(nameFilter);
 519 }
 520
 521 QString DolphinView::nameFilter() const
 522 {
 523     return m_model->nameFilter();
 524 }
 525
 526 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 527 {
 528     return m_model->setMimeTypeFilters(filters);
 529 }
 530
 531 QStringList DolphinView::mimeTypeFilters() const
 532 {
 533     return m_model->mimeTypeFilters();
 534 }
 535
 536 QString DolphinView::statusBarText() const
 537 {
 538     QString summary;
 539     QString foldersText;
 540     QString filesText;
 541
 542     int folderCount = 0;
 543     int fileCount = 0;
 544     KIO::filesize_t totalFileSize = 0;
 545
 546     if (m_container->controller()->selectionManager()->hasSelection()) {
 547         // Give a summary of the status of the selected files
 548         const KFileItemList list = selectedItems();
 549         foreach (const KFileItem& item, list) {
 550             if (item.isDir()) {
 551                 ++folderCount;
 552             } else {
 553                 ++fileCount;
 554                 totalFileSize += item.size();
 555             }
 556         }
 557
 558         if (folderCount + fileCount == 1) {
 559             // If only one item is selected, show the filename
 560             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 561         } else {
 562             // At least 2 items are selected
 563             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 564             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 565         }
 566     } else {
 567         calculateItemCount(fileCount, folderCount, totalFileSize);
 568         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 569         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 570     }
 571
 572     if (fileCount > 0 && folderCount > 0) {
 573         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 574                         foldersText, filesText,
 575                         KGlobal::locale()->formatByteSize(totalFileSize));
 576     } else if (fileCount > 0) {
 577         summary = i18nc("@info:status files (size)", "%1 (%2)",
 578                         filesText,
 579                         KGlobal::locale()->formatByteSize(totalFileSize));
 580     } else if (folderCount > 0) {
 581         summary = foldersText;
 582     } else {
 583         summary = i18nc("@info:status", "0 Folders, 0 Files");
 584     }
 585
 586     return summary;
 587 }
 588
 589 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 590 {
 591     QList<QAction*> actions;
 592
 593     if (items.isEmpty()) {
 594         const KFileItem item = m_model->rootItem();
 595         if (!item.isNull()) {
 596             actions = m_versionControlObserver->actions(KFileItemList() << item);
 597         }
 598     } else {
 599         actions = m_versionControlObserver->actions(items);
 600     }
 601
 602     return actions;
 603 }
 604
 605 void DolphinView::setUrl(const KUrl& url)
 606 {
 607     if (url == m_url) {
 608         return;
 609     }
 610
 611     clearSelection();
 612
 613     emit urlAboutToBeChanged(url);
 614     m_url = url;
 615
 616     hideToolTip();
 617
 618     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 619                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 620
 621     // It is important to clear the items from the model before
 622     // applying the view properties, otherwise expensive operations
 623     // might be done on the existing items although they get cleared
 624     // anyhow afterwards by loadDirectory().
 625     m_model->clear();
 626     applyViewProperties();
 627     loadDirectory(url);
 628
 629     emit urlChanged(url);
 630 }
 631
 632 void DolphinView::selectAll()
 633 {
 634     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 635     selectionManager->setSelected(0, m_model->count());
 636 }
 637
 638 void DolphinView::invertSelection()
 639 {
 640     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 641     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 642 }
 643
 644 void DolphinView::clearSelection()
 645 {
 646     m_selectedUrls.clear();
 647     m_container->controller()->selectionManager()->clearSelection();
 648 }
 649
 650 void DolphinView::renameSelectedItems()
 651 {
 652     const KFileItemList items = selectedItems();
 653     if (items.isEmpty()) {
 654         return;
 655     }
 656
 657     if (items.count() == 1 && GeneralSettings::renameInline()) {
 658         const int index = m_model->index(items.first());
 659         m_view->editRole(index, "text");
 660
 661         connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 662                 this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 663     } else {
 664         RenameDialog* dialog = new RenameDialog(this, items);
 665         dialog->setAttribute(Qt::WA_DeleteOnClose);
 666         dialog->show();
 667         dialog->raise();
 668         dialog->activateWindow();
 669     }
 670
 671     // Assure that the current index remains visible when KFileItemModel
 672     // will notify the view about changed items (which might result in
 673     // a changed sorting).
 674     m_assureVisibleCurrentIndex = true;
 675 }
 676
 677 void DolphinView::trashSelectedItems()
 678 {
 679     const KUrl::List list = simplifiedSelectedUrls();
 680     KonqOperations::del(this, KonqOperations::TRASH, list);
 681 }
 682
 683 void DolphinView::deleteSelectedItems()
 684 {
 685     const KUrl::List list = simplifiedSelectedUrls();
 686     const bool del = KonqOperations::askDeleteConfirmation(list,
 687                      KonqOperations::DEL,
 688                      KonqOperations::DEFAULT_CONFIRMATION,
 689                      this);
 690
 691     if (del) {
 692         KIO::Job* job = KIO::del(list);
 693         if (job->ui()) {
 694             job->ui()->setWindow(this);
 695         }
 696         connect(job, SIGNAL(result(KJob*)),
 697                 this, SLOT(slotDeleteFileFinished(KJob*)));
 698     }
 699 }
 700
 701 void DolphinView::cutSelectedItems()
 702 {
 703     QMimeData* mimeData = selectionMimeData();
 704     KonqMimeData::addIsCutSelection(mimeData, true);
 705     QApplication::clipboard()->setMimeData(mimeData);
 706 }
 707
 708 void DolphinView::copySelectedItems()
 709 {
 710     QMimeData* mimeData = selectionMimeData();
 711     QApplication::clipboard()->setMimeData(mimeData);
 712 }
 713
 714 void DolphinView::paste()
 715 {
 716     pasteToUrl(url());
 717 }
 718
 719 void DolphinView::pasteIntoFolder()
 720 {
 721     const KFileItemList items = selectedItems();
 722     if ((items.count() == 1) && items.first().isDir()) {
 723         pasteToUrl(items.first().url());
 724     }
 725 }
 726
 727 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 728 {
 729     switch (event->type()) {
 730     case QEvent::FocusIn:
 731         if (watched == m_container) {
 732             setActive(true);
 733         }
 734         break;
 735
 736     case QEvent::GraphicsSceneDragEnter:
 737         if (watched == m_view) {
 738             m_dragging = true;
 739         }
 740         break;
 741
 742     case QEvent::GraphicsSceneDragLeave:
 743         if (watched == m_view) {
 744             m_dragging = false;
 745         }
 746         break;
 747
 748     case QEvent::GraphicsSceneDrop:
 749         if (watched == m_view) {
 750             m_dragging = false;
 751         }
 752     default:
 753         break;
 754     }
 755
 756     return QWidget::eventFilter(watched, event);
 757 }
 758
 759 void DolphinView::wheelEvent(QWheelEvent* event)
 760 {
 761     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 762         const int numDegrees = event->delta() / 8;
 763         const int numSteps = numDegrees / 15;
 764
 765         setZoomLevel(zoomLevel() + numSteps);
 766         event->accept();
 767     } else {
 768         event->ignore();
 769     }
 770 }
 771
 772 void DolphinView::hideEvent(QHideEvent* event)
 773 {
 774     hideToolTip();
 775     QWidget::hideEvent(event);
 776 }
 777
 778 bool DolphinView::event(QEvent* event)
 779 {
 780     /* See Bug 297355
 781      * Dolphin leaves file preview tooltips open even when is not visible.
 782      *
 783      * Hide tool-tip when Dolphin loses focus.
 784      */
 785     if (event->type() == QEvent::WindowDeactivate) {
 786         hideToolTip();
 787     }
 788
 789     return QWidget::event(event);
 790 }
 791
 792 void DolphinView::activate()
 793 {
 794     setActive(true);
 795 }
 796
 797 void DolphinView::slotItemActivated(int index)
 798 {
 799     const KFileItem item = m_model->fileItem(index);
 800     if (!item.isNull()) {
 801         emit itemActivated(item);
 802     }
 803 }
 804
 805 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 806 {
 807     Q_ASSERT(indexes.count() >= 2);
 808
 809     if (indexes.count() > 5) {
 810         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 811         const int answer = KMessageBox::warningYesNo(this, question);
 812         if (answer != KMessageBox::Yes) {
 813             return;
 814         }
 815     }
 816
 817     KFileItemList items;
 818     items.reserve(indexes.count());
 819
 820     QSetIterator<int> it(indexes);
 821     while (it.hasNext()) {
 822         const int index = it.next();
 823         KFileItem item = m_model->fileItem(index);
 824         const KUrl& url = openItemAsFolderUrl(item);
 825
 826         if (!url.isEmpty()) { // Open folders in new tabs
 827             emit tabRequested(url);
 828         } else {
 829             items.append(item);
 830         }
 831     }
 832
 833     if (items.count() == 1) {
 834         emit itemActivated(items.first());
 835     } else if (items.count() > 1) {
 836         emit itemsActivated(items);
 837     }
 838 }
 839
 840 void DolphinView::slotItemMiddleClicked(int index)
 841 {
 842     const KFileItem& item = m_model->fileItem(index);
 843     const KUrl& url = openItemAsFolderUrl(item);
 844     if (!url.isEmpty()) {
 845         emit tabRequested(url);
 846     } else if (isTabsForFilesEnabled()) {
 847         emit tabRequested(item.url());
 848     }
 849 }
 850
 851 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 852 {
 853     // Force emit of a selection changed signal before we request the
 854     // context menu, to update the edit-actions first. (See Bug 294013)
 855     if (m_selectionChangedTimer->isActive()) {
 856         emitSelectionChangedSignal();
 857     }
 858
 859     const KFileItem item = m_model->fileItem(index);
 860     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 861 }
 862
 863 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 864 {
 865     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 866 }
 867
 868 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 869 {
 870     ViewProperties props(viewPropertiesUrl());
 871
 872     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 873
 874     KItemListView* view = m_container->controller()->view();
 875     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 876
 877     bool nepomukRunning = false;
 878     bool indexingEnabled = false;
 879 #ifdef HAVE_NEPOMUK
 880     nepomukRunning = (Nepomuk2::ResourceManager::instance()->initialized());
 881     if (nepomukRunning) {
 882         KConfig config("nepomukserverrc");
 883         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
 884     }
 885 #endif
 886
 887     QString groupName;
 888     QMenu* groupMenu = 0;
 889
 890     // Add all roles to the menu that can be shown or hidden by the user
 891     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 892     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 893         if (info.role == "text") {
 894             // It should not be possible to hide the "text" role
 895             continue;
 896         }
 897
 898         const QString text = m_model->roleDescription(info.role);
 899         QAction* action = 0;
 900         if (info.group.isEmpty()) {
 901             action = menu->addAction(text);
 902         } else {
 903             if (!groupMenu || info.group != groupName) {
 904                 groupName = info.group;
 905                 groupMenu = menu->addMenu(groupName);
 906             }
 907
 908             action = groupMenu->addAction(text);
 909         }
 910
 911         action->setCheckable(true);
 912         action->setChecked(visibleRolesSet.contains(info.role));
 913         action->setData(info.role);
 914
 915         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 916                             (info.requiresNepomuk && nepomukRunning) ||
 917                             (info.requiresIndexer && indexingEnabled);
 918         action->setEnabled(enable);
 919     }
 920
 921     menu->addSeparator();
 922
 923     QActionGroup* widthsGroup = new QActionGroup(menu);
 924     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 925
 926     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 927     autoAdjustWidthsAction->setCheckable(true);
 928     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 929     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 930
 931     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 932     customWidthsAction->setCheckable(true);
 933     customWidthsAction->setChecked(!autoColumnWidths);
 934     customWidthsAction->setActionGroup(widthsGroup);
 935
 936     QAction* action = menu->exec(pos.toPoint());
 937     if (menu && action) {
 938         KItemListHeader* header = view->header();
 939
 940         if (action == autoAdjustWidthsAction) {
 941             // Clear the column-widths from the viewproperties and turn on
 942             // the automatic resizing of the columns
 943             props.setHeaderColumnWidths(QList<int>());
 944             header->setAutomaticColumnResizing(true);
 945         } else if (action == customWidthsAction) {
 946             // Apply the current column-widths as custom column-widths and turn
 947             // off the automatic resizing of the columns
 948             QList<int> columnWidths;
 949             foreach (const QByteArray& role, view->visibleRoles()) {
 950                 columnWidths.append(header->columnWidth(role));
 951             }
 952             props.setHeaderColumnWidths(columnWidths);
 953             header->setAutomaticColumnResizing(false);
 954         } else {
 955             // Show or hide the selected role
 956             const QByteArray selectedRole = action->data().toByteArray();
 957
 958             QList<QByteArray> visibleRoles = view->visibleRoles();
 959             if (action->isChecked()) {
 960                 visibleRoles.append(selectedRole);
 961             } else {
 962                 visibleRoles.removeOne(selectedRole);
 963             }
 964
 965             view->setVisibleRoles(visibleRoles);
 966             props.setVisibleRoles(visibleRoles);
 967
 968             QList<int> columnWidths;
 969             if (!header->automaticColumnResizing()) {
 970                 foreach (const QByteArray& role, view->visibleRoles()) {
 971                     columnWidths.append(header->columnWidth(role));
 972                 }
 973             }
 974             props.setHeaderColumnWidths(columnWidths);
 975         }
 976     }
 977
 978     delete menu;
 979 }
 980
 981 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 982 {
 983     Q_UNUSED(previous);
 984
 985     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 986
 987     ViewProperties props(viewPropertiesUrl());
 988     QList<int> columnWidths = props.headerColumnWidths();
 989     if (columnWidths.count() != visibleRoles.count()) {
 990         columnWidths.clear();
 991         columnWidths.reserve(visibleRoles.count());
 992         const KItemListHeader* header = m_view->header();
 993         foreach (const QByteArray& role, visibleRoles) {
 994             const int width = header->columnWidth(role);
 995             columnWidths.append(width);
 996         }
 997     }
 998
 999     const int roleIndex = visibleRoles.indexOf(role);
1000     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1001     columnWidths[roleIndex] = current;
1002
1003     props.setHeaderColumnWidths(columnWidths);
1004 }
1005
1006 void DolphinView::slotItemHovered(int index)
1007 {
1008     const KFileItem item = m_model->fileItem(index);
1009
1010     if (GeneralSettings::showToolTips() && !m_dragging) {
1011         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1012         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1013         itemRect.moveTo(pos);
1014
1015         m_toolTipManager->showToolTip(item, itemRect);
1016     }
1017
1018     emit requestItemInfo(item);
1019 }
1020
1021 void DolphinView::slotItemUnhovered(int index)
1022 {
1023     Q_UNUSED(index);
1024     hideToolTip();
1025     emit requestItemInfo(KFileItem());
1026 }
1027
1028 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1029 {
1030     KUrl destUrl;
1031     KFileItem destItem = m_model->fileItem(index);
1032     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1033         // Use the URL of the view as drop target if the item is no directory
1034         // or desktop-file
1035         destItem = m_model->rootItem();
1036         destUrl = url();
1037     } else {
1038         // The item represents a directory or desktop-file
1039         destUrl = destItem.url();
1040     }
1041
1042     QDropEvent dropEvent(event->pos().toPoint(),
1043                          event->possibleActions(),
1044                          event->mimeData(),
1045                          event->buttons(),
1046                          event->modifiers());
1047
1048     QString error;
1049     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1050     if (!error.isEmpty()) {
1051         emit infoMessage(error);
1052     }
1053
1054     if (op && destUrl == url()) {
1055         // Mark the dropped urls as selected.
1056         m_clearSelectionBeforeSelectingNewItems = true;
1057         connect(op, SIGNAL(urlPasted(KUrl)), this, SLOT(slotUrlPasted(KUrl)));
1058     }
1059
1060     setActive(true);
1061 }
1062
1063 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1064 {
1065     if (previous != 0) {
1066         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1067         m_versionControlObserver->setModel(0);
1068     }
1069
1070     if (current) {
1071         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1072         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1073
1074         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1075         m_versionControlObserver->setModel(fileItemModel);
1076     }
1077 }
1078
1079 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1080 {
1081     hideToolTip();
1082
1083     if (itemIndex < 0) {
1084         // Trigger the history navigation only when clicking on the viewport:
1085         // Above an item the XButtons provide a simple way to select items in
1086         // the singleClick mode.
1087         if (buttons & Qt::XButton1) {
1088             emit goBackRequested();
1089         } else if (buttons & Qt::XButton2) {
1090             emit goForwardRequested();
1091         }
1092     }
1093 }
1094
1095 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1096 {
1097     if (!urls.isEmpty()) {
1098         if (m_markFirstNewlySelectedItemAsCurrent) {
1099             markUrlAsCurrent(urls.first());
1100             m_markFirstNewlySelectedItemAsCurrent = false;
1101         }
1102         m_selectedUrls << urls;
1103     }
1104 }
1105
1106 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1107 {
1108     const int currentCount = current.count();
1109     const int previousCount = previous.count();
1110     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1111                                        (currentCount >  0 && previousCount == 0);
1112
1113     // If nothing has been selected before and something got selected (or if something
1114     // was selected before and now nothing is selected) the selectionChangedSignal must
1115     // be emitted asynchronously as fast as possible to update the edit-actions.
1116     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1117     m_selectionChangedTimer->start();
1118 }
1119
1120 void DolphinView::emitSelectionChangedSignal()
1121 {
1122     m_selectionChangedTimer->stop();
1123     emit selectionChanged(selectedItems());
1124 }
1125
1126 void DolphinView::updateSortRole(const QByteArray& role)
1127 {
1128     ViewProperties props(viewPropertiesUrl());
1129     props.setSortRole(role);
1130
1131     KItemModelBase* model = m_container->controller()->model();
1132     model->setSortRole(role);
1133
1134     emit sortRoleChanged(role);
1135 }
1136
1137 void DolphinView::updateSortOrder(Qt::SortOrder order)
1138 {
1139     ViewProperties props(viewPropertiesUrl());
1140     props.setSortOrder(order);
1141
1142     m_model->setSortOrder(order);
1143
1144     emit sortOrderChanged(order);
1145 }
1146
1147 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1148 {
1149     ViewProperties props(viewPropertiesUrl());
1150     props.setSortFoldersFirst(foldersFirst);
1151
1152     m_model->setSortDirectoriesFirst(foldersFirst);
1153
1154     emit sortFoldersFirstChanged(foldersFirst);
1155 }
1156
1157 QPair<bool, QString> DolphinView::pasteInfo() const
1158 {
1159     return KonqOperations::pasteInfo(url());
1160 }
1161
1162 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1163 {
1164     m_tabsForFiles = tabsForFiles;
1165 }
1166
1167 bool DolphinView::isTabsForFilesEnabled() const
1168 {
1169     return m_tabsForFiles;
1170 }
1171
1172 bool DolphinView::itemsExpandable() const
1173 {
1174     return m_mode == DetailsView;
1175 }
1176
1177 void DolphinView::restoreState(QDataStream& stream)
1178 {
1179     // Restore the current item that had the keyboard focus
1180     stream >> m_currentItemUrl;
1181
1182     // Restore the view position
1183     stream >> m_restoredContentsPosition;
1184
1185     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1186     QSet<KUrl> urls;
1187     stream >> urls;
1188     m_model->restoreExpandedDirectories(urls);
1189 }
1190
1191 void DolphinView::saveState(QDataStream& stream)
1192 {
1193     // Save the current item that has the keyboard focus
1194     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1195     if (currentIndex != -1) {
1196         KFileItem item = m_model->fileItem(currentIndex);
1197         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1198         KUrl currentItemUrl = item.url();
1199         stream << currentItemUrl;
1200     } else {
1201         stream << KUrl();
1202     }
1203
1204     // Save view position
1205     const qreal x = m_container->horizontalScrollBar()->value();
1206     const qreal y = m_container->verticalScrollBar()->value();
1207     stream << QPoint(x, y);
1208
1209     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1210     stream << m_model->expandedDirectories();
1211 }
1212
1213 KFileItem DolphinView::rootItem() const
1214 {
1215     return m_model->rootItem();
1216 }
1217
1218 void DolphinView::setViewPropertiesContext(const QString& context)
1219 {
1220     m_viewPropertiesContext = context;
1221 }
1222
1223 QString DolphinView::viewPropertiesContext() const
1224 {
1225     return m_viewPropertiesContext;
1226 }
1227
1228 KUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1229 {
1230     if (item.isNull()) {
1231         return KUrl();
1232     }
1233
1234     KUrl url = item.targetUrl();
1235
1236     if (item.isDir()) {
1237         return url;
1238     }
1239
1240     if (item.isMimeTypeKnown()) {
1241         const QString& mimetype = item.mimetype();
1242
1243         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1244             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1245             // zip:/<path>/ when clicking on a zip file, etc.
1246             // The .protocol file specifies the mimetype that the kioslave handles.
1247             // Note that we don't use mimetype inheritance since we don't want to
1248             // open OpenDocument files as zip folders...
1249             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1250             if (!protocol.isEmpty()) {
1251                 url.setProtocol(protocol);
1252                 return url;
1253             }
1254         }
1255
1256         if (mimetype == QLatin1String("application/x-desktop")) {
1257             // Redirect to the URL in Type=Link desktop files
1258             KDesktopFile desktopFile(url.toLocalFile());
1259             if (desktopFile.hasLinkType()) {
1260                 return desktopFile.readUrl();
1261             }
1262         }
1263     }
1264
1265     return KUrl();
1266 }
1267
1268 void DolphinView::observeCreatedItem(const KUrl& url)
1269 {
1270     if (m_active) {
1271         clearSelection();
1272         markUrlAsCurrent(url);
1273         markUrlsAsSelected(QList<KUrl>() << url);
1274     }
1275 }
1276
1277 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1278 {
1279     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1280         emit redirection(oldUrl, newUrl);
1281         m_url = newUrl; // #186947
1282     }
1283 }
1284
1285 void DolphinView::updateViewState()
1286 {
1287     if (m_currentItemUrl != KUrl()) {
1288         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1289         const int currentIndex = m_model->index(m_currentItemUrl);
1290         if (currentIndex != -1) {
1291             selectionManager->setCurrentItem(currentIndex);
1292
1293             // scroll to current item and reset the state
1294             if (m_scrollToCurrentItem) {
1295                 m_view->scrollToItem(currentIndex);
1296                 m_scrollToCurrentItem = false;
1297             }
1298
1299             m_currentItemUrl = KUrl();
1300         } else {
1301             selectionManager->setCurrentItem(0);
1302         }
1303     }
1304
1305     if (!m_restoredContentsPosition.isNull()) {
1306         const int x = m_restoredContentsPosition.x();
1307         const int y = m_restoredContentsPosition.y();
1308         m_restoredContentsPosition = QPoint();
1309
1310         m_container->horizontalScrollBar()->setValue(x);
1311         m_container->verticalScrollBar()->setValue(y);
1312     }
1313
1314     if (!m_selectedUrls.isEmpty()) {
1315         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1316
1317         if (m_clearSelectionBeforeSelectingNewItems) {
1318             selectionManager->clearSelection();
1319             m_clearSelectionBeforeSelectingNewItems = false;
1320         }
1321
1322         QSet<int> selectedItems = selectionManager->selectedItems();
1323
1324         QList<KUrl>::iterator it = m_selectedUrls.begin();
1325         while (it != m_selectedUrls.end()) {
1326             const int index = m_model->index(*it);
1327             if (index >= 0) {
1328                 selectedItems.insert(index);
1329                 it = m_selectedUrls.erase(it);
1330             } else {
1331                  ++it;
1332             }
1333         }
1334
1335         selectionManager->setSelectedItems(selectedItems);
1336     }
1337 }
1338
1339 void DolphinView::hideToolTip()
1340 {
1341     if (GeneralSettings::showToolTips()) {
1342         m_toolTipManager->hideToolTip();
1343     }
1344 }
1345
1346 void DolphinView::calculateItemCount(int& fileCount,
1347                                      int& folderCount,
1348                                      KIO::filesize_t& totalFileSize) const
1349 {
1350     const int itemCount = m_model->count();
1351     for (int i = 0; i < itemCount; ++i) {
1352         const KFileItem item = m_model->fileItem(i);
1353         if (item.isDir()) {
1354             ++folderCount;
1355         } else {
1356             ++fileCount;
1357             totalFileSize += item.size();
1358         }
1359     }
1360 }
1361
1362 void DolphinView::showHoverInformation(const KFileItem& item)
1363 {
1364     emit requestItemInfo(item);
1365 }
1366
1367 void DolphinView::clearHoverInformation()
1368 {
1369     emit requestItemInfo(KFileItem());
1370 }
1371
1372 void DolphinView::slotDeleteFileFinished(KJob* job)
1373 {
1374     if (job->error() == 0) {
1375         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1376     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1377         emit errorMessage(job->errorString());
1378     }
1379 }
1380
1381 void DolphinView::slotRenamingFailed(const KUrl& oldUrl, const KUrl& newUrl)
1382 {
1383     const int index = m_model->index(newUrl);
1384     if (index >= 0) {
1385         QHash<QByteArray, QVariant> data;
1386         data.insert("text", oldUrl.fileName());
1387         m_model->setData(index, data);
1388     }
1389 }
1390
1391 void DolphinView::slotDirectoryLoadingStarted()
1392 {
1393     // Disable the writestate temporary until it can be determined in a fast way
1394     // in DolphinView::slotLoadingCompleted()
1395     if (m_isFolderWritable) {
1396         m_isFolderWritable = false;
1397         emit writeStateChanged(m_isFolderWritable);
1398     }
1399
1400     emit directoryLoadingStarted();
1401 }
1402
1403 void DolphinView::slotDirectoryLoadingCompleted()
1404 {
1405     // Update the view-state. This has to be done asynchronously
1406     // because the view might not be in its final state yet.
1407     QTimer::singleShot(0, this, SLOT(updateViewState()));
1408
1409     emit directoryLoadingCompleted();
1410
1411     updateWritableState();
1412 }
1413
1414 void DolphinView::slotItemsChanged()
1415 {
1416     m_assureVisibleCurrentIndex = false;
1417 }
1418
1419 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1420 {
1421     Q_UNUSED(previous);
1422     Q_ASSERT(m_model->sortOrder() == current);
1423
1424     ViewProperties props(viewPropertiesUrl());
1425     props.setSortOrder(current);
1426
1427     emit sortOrderChanged(current);
1428 }
1429
1430 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1431 {
1432     Q_UNUSED(previous);
1433     Q_ASSERT(m_model->sortRole() == current);
1434
1435     ViewProperties props(viewPropertiesUrl());
1436     props.setSortRole(current);
1437
1438     emit sortRoleChanged(current);
1439 }
1440
1441 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1442                                                   const QList<QByteArray>& previous)
1443 {
1444     Q_UNUSED(previous);
1445     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1446
1447     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1448
1449     m_visibleRoles = current;
1450
1451     ViewProperties props(viewPropertiesUrl());
1452     props.setVisibleRoles(m_visibleRoles);
1453
1454     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1455 }
1456
1457 void DolphinView::slotRoleEditingCanceled()
1458 {
1459     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1460                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1461 }
1462
1463 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1464 {
1465     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1466                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1467
1468     if (index < 0 || index >= m_model->count()) {
1469         return;
1470     }
1471
1472     if (role == "text") {
1473         const KFileItem oldItem = m_model->fileItem(index);
1474         const QString newName = value.toString();
1475         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1476             const KUrl oldUrl = oldItem.url();
1477
1478             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1479             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1480             if (!newNameExistsAlready) {
1481                 // Only change the data in the model if no item with the new name
1482                 // is in the model yet. If there is an item with the new name
1483                 // already, calling KonqOperations::rename() will open a dialog
1484                 // asking for a new name, and KFileItemModel will update the
1485                 // data when the dir lister signals that the file name has changed.
1486                 QHash<QByteArray, QVariant> data;
1487                 data.insert(role, value);
1488                 m_model->setData(index, data);
1489             }
1490
1491             KonqOperations* op = KonqOperations::renameV2(this, oldUrl, newName);
1492             if (op) {
1493                 connect(op, SIGNAL(renamingFailed(KUrl,KUrl)), SLOT(slotRenamingFailed(KUrl,KUrl)));
1494             }
1495         }
1496     }
1497 }
1498
1499 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1500 {
1501     if (!url.isValid()) {
1502         const QString location(url.pathOrUrl());
1503         if (location.isEmpty()) {
1504             emit errorMessage(i18nc("@info:status", "The location is empty."));
1505         } else {
1506             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1507         }
1508         return;
1509     }
1510
1511     if (reload) {
1512         m_model->refreshDirectory(url);
1513     } else {
1514         m_model->loadDirectory(url);
1515     }
1516 }
1517
1518 void DolphinView::applyViewProperties()
1519 {
1520     const ViewProperties props(viewPropertiesUrl());
1521     applyViewProperties(props);
1522 }
1523
1524 void DolphinView::applyViewProperties(const ViewProperties& props)
1525 {
1526     m_view->beginTransaction();
1527
1528     const Mode mode = props.viewMode();
1529     if (m_mode != mode) {
1530         const Mode previousMode = m_mode;
1531         m_mode = mode;
1532
1533         // Changing the mode might result in changing
1534         // the zoom level. Remember the old zoom level so
1535         // that zoomLevelChanged() can get emitted.
1536         const int oldZoomLevel = m_view->zoomLevel();
1537         applyModeToView();
1538
1539         emit modeChanged(m_mode, previousMode);
1540
1541         if (m_view->zoomLevel() != oldZoomLevel) {
1542             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1543         }
1544     }
1545
1546     const bool hiddenFilesShown = props.hiddenFilesShown();
1547     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1548         m_model->setShowHiddenFiles(hiddenFilesShown);
1549         emit hiddenFilesShownChanged(hiddenFilesShown);
1550     }
1551
1552     const bool groupedSorting = props.groupedSorting();
1553     if (groupedSorting != m_model->groupedSorting()) {
1554         m_model->setGroupedSorting(groupedSorting);
1555         emit groupedSortingChanged(groupedSorting);
1556     }
1557
1558     const QByteArray sortRole = props.sortRole();
1559     if (sortRole != m_model->sortRole()) {
1560         m_model->setSortRole(sortRole);
1561         emit sortRoleChanged(sortRole);
1562     }
1563
1564     const Qt::SortOrder sortOrder = props.sortOrder();
1565     if (sortOrder != m_model->sortOrder()) {
1566         m_model->setSortOrder(sortOrder);
1567         emit sortOrderChanged(sortOrder);
1568     }
1569
1570     const bool sortFoldersFirst = props.sortFoldersFirst();
1571     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1572         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1573         emit sortFoldersFirstChanged(sortFoldersFirst);
1574     }
1575
1576     const QList<QByteArray> visibleRoles = props.visibleRoles();
1577     if (visibleRoles != m_visibleRoles) {
1578         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1579         m_visibleRoles = visibleRoles;
1580         m_view->setVisibleRoles(visibleRoles);
1581         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1582     }
1583
1584     const bool previewsShown = props.previewsShown();
1585     if (previewsShown != m_view->previewsShown()) {
1586         const int oldZoomLevel = zoomLevel();
1587
1588         m_view->setPreviewsShown(previewsShown);
1589         emit previewsShownChanged(previewsShown);
1590
1591         // Changing the preview-state might result in a changed zoom-level
1592         if (oldZoomLevel != zoomLevel()) {
1593             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1594         }
1595     }
1596
1597     KItemListView* itemListView = m_container->controller()->view();
1598     if (itemListView->isHeaderVisible()) {
1599         KItemListHeader* header = itemListView->header();
1600         const QList<int> headerColumnWidths = props.headerColumnWidths();
1601         const int rolesCount = m_visibleRoles.count();
1602         if (headerColumnWidths.count() == rolesCount) {
1603             header->setAutomaticColumnResizing(false);
1604
1605             QHash<QByteArray, qreal> columnWidths;
1606             for (int i = 0; i < rolesCount; ++i) {
1607                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1608             }
1609             header->setColumnWidths(columnWidths);
1610         } else {
1611             header->setAutomaticColumnResizing(true);
1612         }
1613     }
1614
1615     m_view->endTransaction();
1616 }
1617
1618 void DolphinView::applyModeToView()
1619 {
1620     switch (m_mode) {
1621     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1622     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1623     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1624     default: Q_ASSERT(false); break;
1625     }
1626 }
1627
1628 void DolphinView::pasteToUrl(const KUrl& url)
1629 {
1630     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1631     if (op) {
1632         m_clearSelectionBeforeSelectingNewItems = true;
1633         m_markFirstNewlySelectedItemAsCurrent = true;
1634         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1635     }
1636 }
1637
1638 KUrl::List DolphinView::simplifiedSelectedUrls() const
1639 {
1640     KUrl::List urls;
1641
1642     const KFileItemList items = selectedItems();
1643     foreach (const KFileItem& item, items) {
1644         urls.append(item.url());
1645     }
1646
1647     if (itemsExpandable()) {
1648         // TODO: Check if we still need KDirModel for this in KDE 5.0
1649         urls = KDirModel::simplifiedUrlList(urls);
1650     }
1651
1652     return urls;
1653 }
1654
1655 QMimeData* DolphinView::selectionMimeData() const
1656 {
1657     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1658     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1659
1660     return m_model->createMimeData(selectedIndexes);
1661 }
1662
1663 void DolphinView::updateWritableState()
1664 {
1665     const bool wasFolderWritable = m_isFolderWritable;
1666     m_isFolderWritable = true;
1667
1668     const KFileItem item = m_model->rootItem();
1669     if (!item.isNull()) {
1670         KFileItemListProperties capabilities(KFileItemList() << item);
1671         m_isFolderWritable = capabilities.supportsWriting();
1672     }
1673     if (m_isFolderWritable != wasFolderWritable) {
1674         emit writeStateChanged(m_isFolderWritable);
1675     }
1676 }
1677
1678 KUrl DolphinView::viewPropertiesUrl() const
1679 {
1680     if (m_viewPropertiesContext.isEmpty()) {
1681         return m_url;
1682     }
1683
1684     KUrl url;
1685     url.setProtocol(m_url.protocol());
1686     url.setPath(m_viewPropertiesContext);
1687     return url;
1688 }
1689
1690 #include "dolphinview.moc"