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-baloo.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 #include <QPointer>
  36 #include <QMenu>
  37
  38 #include <KDesktopFile>
  39 #include <KProtocolManager>
  40 #include <KActionCollection>
  41 #include <KColorScheme>
  42 #include <KDirModel>
  43 #include <KIconEffect>
  44 #include <KFileItem>
  45 #include <KFileItemListProperties>
  46 #include <KLocale>
  47 #include <kitemviews/kfileitemmodel.h>
  48 #include <kitemviews/kfileitemlistview.h>
  49 #include <kitemviews/kitemlistcontainer.h>
  50 #include <kitemviews/kitemlistheader.h>
  51 #include <kitemviews/kitemlistselectionmanager.h>
  52 #include <kitemviews/kitemlistview.h>
  53 #include <kitemviews/kitemlistcontroller.h>
  54 #include <KIO/DeleteJob>
  55 #include <KIO/JobUiDelegate>
  56 #include <KIO/NetAccess>
  57 #include <KIO/PreviewJob>
  58 #include <KJob>
  59 #include <KMenu>
  60 #include <KGlobal>
  61 #include <KMessageBox>
  62 #include <KJobWidgets>
  63 #include <konq_fileitemcapabilities.h>
  64 #include <konq_operations.h>
  65 #include <konqmimedata.h>
  66 #include <KToggleAction>
  67 #include <KUrl>
  68
  69 #include "dolphinnewfilemenuobserver.h"
  70 #include "dolphin_detailsmodesettings.h"
  71 #include "dolphin_generalsettings.h"
  72 #include "dolphinitemlistview.h"
  73 #include "draganddrophelper.h"
  74 #include "renamedialog.h"
  75 #include "versioncontrol/versioncontrolobserver.h"
  76 #include "viewmodecontroller.h"
  77 #include "viewproperties.h"
  78 #include "views/tooltips/tooltipmanager.h"
  79 #include "zoomlevelinfo.h"
  80
  81 #ifdef HAVE_BALOO
  82     #include <baloo/indexerconfig.h>
  83 #endif
  84
  85 namespace {
  86     const int MaxModeEnum = DolphinView::CompactView;
  87 };
  88
  89 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  90     QWidget(parent),
  91     m_active(true),
  92     m_tabsForFiles(false),
  93     m_assureVisibleCurrentIndex(false),
  94     m_isFolderWritable(true),
  95     m_dragging(false),
  96     m_url(url),
  97     m_viewPropertiesContext(),
  98     m_mode(DolphinView::IconsView),
  99     m_visibleRoles(),
 100     m_topLayout(0),
 101     m_model(0),
 102     m_view(0),
 103     m_container(0),
 104     m_toolTipManager(0),
 105     m_selectionChangedTimer(0),
 106     m_currentItemUrl(),
 107     m_scrollToCurrentItem(false),
 108     m_restoredContentsPosition(),
 109     m_selectedUrls(),
 110     m_clearSelectionBeforeSelectingNewItems(false),
 111     m_markFirstNewlySelectedItemAsCurrent(false),
 112     m_versionControlObserver(0)
 113 {
 114     m_topLayout = new QVBoxLayout(this);
 115     m_topLayout->setSpacing(0);
 116     m_topLayout->setMargin(0);
 117
 118     // When a new item has been created by the "Create New..." menu, the item should
 119     // get selected and it must be assured that the item will get visible. As the
 120     // creation is done asynchronously, several signals must be checked:
 121     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 122             this, SLOT(observeCreatedItem(KUrl)));
 123
 124     m_selectionChangedTimer = new QTimer(this);
 125     m_selectionChangedTimer->setSingleShot(true);
 126     m_selectionChangedTimer->setInterval(300);
 127     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 128             this, SLOT(emitSelectionChangedSignal()));
 129
 130     m_model = new KFileItemModel(this);
 131     m_view = new DolphinItemListView();
 132     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 133     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 134     applyModeToView();
 135
 136     KItemListController* controller = new KItemListController(m_model, m_view, this);
 137     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 138     controller->setAutoActivationDelay(delay);
 139
 140     // The EnlargeSmallPreviews setting can only be changed after the model
 141     // has been set in the view by KItemListController.
 142     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 143
 144     m_container = new KItemListContainer(controller, this);
 145     m_container->installEventFilter(this);
 146     setFocusProxy(m_container);
 147     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 148     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 149
 150     controller->setSelectionBehavior(KItemListController::MultiSelection);
 151     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 152     connect(controller, SIGNAL(itemsActivated(KItemSet)), this, SLOT(slotItemsActivated(KItemSet)));
 153     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 154     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 155     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 156     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 157     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 158     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 159     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 160     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 161     connect(controller, SIGNAL(escapePressed()), this, SLOT(stopLoading()));
 162     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 163
 164     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 165     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 166     connect(m_model, SIGNAL(directoryLoadingCanceled()),      this, SIGNAL(directoryLoadingCanceled()));
 167     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 168     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 169     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 170             this, SLOT(slotItemsChanged()));
 171     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 172     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 173     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 174     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 175     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 176     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 177
 178     m_view->installEventFilter(this);
 179     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 180             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 181     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 182             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 183     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 184             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 185     connect(m_view, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 186             this, SLOT(slotRoleEditingCanceled()));
 187     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 188             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 189
 190     KItemListSelectionManager* selectionManager = controller->selectionManager();
 191     connect(selectionManager, SIGNAL(selectionChanged(KItemSet,KItemSet)),
 192             this, SLOT(slotSelectionChanged(KItemSet,KItemSet)));
 193
 194     m_toolTipManager = new ToolTipManager(this);
 195
 196     m_versionControlObserver = new VersionControlObserver(this);
 197     m_versionControlObserver->setModel(m_model);
 198     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 199     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 200     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 201
 202     applyViewProperties();
 203     m_topLayout->addWidget(m_container);
 204
 205     loadDirectory(url);
 206 }
 207
 208 DolphinView::~DolphinView()
 209 {
 210 }
 211
 212 KUrl DolphinView::url() const
 213 {
 214     return m_url;
 215 }
 216
 217 void DolphinView::setActive(bool active)
 218 {
 219     if (active == m_active) {
 220         return;
 221     }
 222
 223     m_active = active;
 224
 225     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 226     if (!active) {
 227         color.setAlpha(150);
 228     }
 229
 230     QWidget* viewport = m_container->viewport();
 231     if (viewport) {
 232         QPalette palette;
 233         palette.setColor(viewport->backgroundRole(), color);
 234         viewport->setPalette(palette);
 235     }
 236
 237     update();
 238
 239     if (active) {
 240         m_container->setFocus();
 241         emit activated();
 242         emit writeStateChanged(m_isFolderWritable);
 243     }
 244 }
 245
 246 bool DolphinView::isActive() const
 247 {
 248     return m_active;
 249 }
 250
 251 void DolphinView::setMode(Mode mode)
 252 {
 253     if (mode != m_mode) {
 254         ViewProperties props(viewPropertiesUrl());
 255         props.setViewMode(mode);
 256
 257         // We pass the new ViewProperties to applyViewProperties, rather than
 258         // storing them on disk and letting applyViewProperties() read them
 259         // from there, to prevent that changing the view mode fails if the
 260         // .directory file is not writable (see bug 318534).
 261         applyViewProperties(props);
 262     }
 263 }
 264
 265 DolphinView::Mode DolphinView::mode() const
 266 {
 267     return m_mode;
 268 }
 269
 270 void DolphinView::setPreviewsShown(bool show)
 271 {
 272     if (previewsShown() == show) {
 273         return;
 274     }
 275
 276     ViewProperties props(viewPropertiesUrl());
 277     props.setPreviewsShown(show);
 278
 279     const int oldZoomLevel = m_view->zoomLevel();
 280     m_view->setPreviewsShown(show);
 281     emit previewsShownChanged(show);
 282
 283     const int newZoomLevel = m_view->zoomLevel();
 284     if (newZoomLevel != oldZoomLevel) {
 285         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 286     }
 287 }
 288
 289 bool DolphinView::previewsShown() const
 290 {
 291     return m_view->previewsShown();
 292 }
 293
 294 void DolphinView::setHiddenFilesShown(bool show)
 295 {
 296     if (m_model->showHiddenFiles() == show) {
 297         return;
 298     }
 299
 300     const KFileItemList itemList = selectedItems();
 301     m_selectedUrls.clear();
 302     m_selectedUrls = KUrl::List(itemList.urlList());
 303
 304     ViewProperties props(viewPropertiesUrl());
 305     props.setHiddenFilesShown(show);
 306
 307     m_model->setShowHiddenFiles(show);
 308     emit hiddenFilesShownChanged(show);
 309 }
 310
 311 bool DolphinView::hiddenFilesShown() const
 312 {
 313     return m_model->showHiddenFiles();
 314 }
 315
 316 void DolphinView::setGroupedSorting(bool grouped)
 317 {
 318     if (grouped == groupedSorting()) {
 319         return;
 320     }
 321
 322     ViewProperties props(viewPropertiesUrl());
 323     props.setGroupedSorting(grouped);
 324     props.save();
 325
 326     m_container->controller()->model()->setGroupedSorting(grouped);
 327
 328     emit groupedSortingChanged(grouped);
 329 }
 330
 331 bool DolphinView::groupedSorting() const
 332 {
 333     return m_model->groupedSorting();
 334 }
 335
 336 KFileItemList DolphinView::items() const
 337 {
 338     KFileItemList list;
 339     const int itemCount = m_model->count();
 340     list.reserve(itemCount);
 341
 342     for (int i = 0; i < itemCount; ++i) {
 343         list.append(m_model->fileItem(i));
 344     }
 345
 346     return list;
 347 }
 348
 349 int DolphinView::itemsCount() const
 350 {
 351     return m_model->count();
 352 }
 353
 354 KFileItemList DolphinView::selectedItems() const
 355 {
 356     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 357
 358     KFileItemList selectedItems;
 359     foreach (int index, selectionManager->selectedItems()) {
 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 KItemSet and
 393             // select them in one go after the loop, but we'd need a new function
 394             // KItemListSelectionManager::setSelected(KItemSet, 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 = KUrl::List(itemList.urlList());
 480
 481     setUrl(url());
 482     loadDirectory(url(), true);
 483
 484     QDataStream restoreStream(viewState);
 485     restoreState(restoreStream);
 486 }
 487
 488 void DolphinView::readSettings()
 489 {
 490     const int oldZoomLevel = m_view->zoomLevel();
 491
 492     GeneralSettings::self()->readConfig();
 493     m_view->readSettings();
 494     applyViewProperties();
 495
 496     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 497     m_container->controller()->setAutoActivationDelay(delay);
 498
 499     const int newZoomLevel = m_view->zoomLevel();
 500     if (newZoomLevel != oldZoomLevel) {
 501         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 502     }
 503 }
 504
 505 void DolphinView::writeSettings()
 506 {
 507     GeneralSettings::self()->writeConfig();
 508     m_view->writeSettings();
 509 }
 510
 511 void DolphinView::setNameFilter(const QString& nameFilter)
 512 {
 513     m_model->setNameFilter(nameFilter);
 514 }
 515
 516 QString DolphinView::nameFilter() const
 517 {
 518     return m_model->nameFilter();
 519 }
 520
 521 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 522 {
 523     return m_model->setMimeTypeFilters(filters);
 524 }
 525
 526 QStringList DolphinView::mimeTypeFilters() const
 527 {
 528     return m_model->mimeTypeFilters();
 529 }
 530
 531 QString DolphinView::statusBarText() const
 532 {
 533     QString summary;
 534     QString foldersText;
 535     QString filesText;
 536
 537     int folderCount = 0;
 538     int fileCount = 0;
 539     KIO::filesize_t totalFileSize = 0;
 540
 541     if (m_container->controller()->selectionManager()->hasSelection()) {
 542         // Give a summary of the status of the selected files
 543         const KFileItemList list = selectedItems();
 544         foreach (const KFileItem& item, list) {
 545             if (item.isDir()) {
 546                 ++folderCount;
 547             } else {
 548                 ++fileCount;
 549                 totalFileSize += item.size();
 550             }
 551         }
 552
 553         if (folderCount + fileCount == 1) {
 554             // If only one item is selected, show info about it
 555             return list.first().getStatusBarInfo();
 556         } else {
 557             // At least 2 items are selected
 558             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 559             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 560         }
 561     } else {
 562         calculateItemCount(fileCount, folderCount, totalFileSize);
 563         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 564         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 565     }
 566
 567     if (fileCount > 0 && folderCount > 0) {
 568         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 569                         foldersText, filesText,
 570                         KGlobal::locale()->formatByteSize(totalFileSize));
 571     } else if (fileCount > 0) {
 572         summary = i18nc("@info:status files (size)", "%1 (%2)",
 573                         filesText,
 574                         KGlobal::locale()->formatByteSize(totalFileSize));
 575     } else if (folderCount > 0) {
 576         summary = foldersText;
 577     } else {
 578         summary = i18nc("@info:status", "0 Folders, 0 Files");
 579     }
 580
 581     return summary;
 582 }
 583
 584 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 585 {
 586     QList<QAction*> actions;
 587
 588     if (items.isEmpty()) {
 589         const KFileItem item = m_model->rootItem();
 590         if (!item.isNull()) {
 591             actions = m_versionControlObserver->actions(KFileItemList() << item);
 592         }
 593     } else {
 594         actions = m_versionControlObserver->actions(items);
 595     }
 596
 597     return actions;
 598 }
 599
 600 void DolphinView::setUrl(const KUrl& url)
 601 {
 602     if (url == m_url) {
 603         return;
 604     }
 605
 606     clearSelection();
 607
 608     emit urlAboutToBeChanged(url);
 609     m_url = url;
 610
 611     hideToolTip();
 612
 613     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 614                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 615
 616     // It is important to clear the items from the model before
 617     // applying the view properties, otherwise expensive operations
 618     // might be done on the existing items although they get cleared
 619     // anyhow afterwards by loadDirectory().
 620     m_model->clear();
 621     applyViewProperties();
 622     loadDirectory(url);
 623
 624     emit urlChanged(url);
 625 }
 626
 627 void DolphinView::selectAll()
 628 {
 629     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 630     selectionManager->setSelected(0, m_model->count());
 631 }
 632
 633 void DolphinView::invertSelection()
 634 {
 635     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 636     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 637 }
 638
 639 void DolphinView::clearSelection()
 640 {
 641     m_selectedUrls.clear();
 642     m_container->controller()->selectionManager()->clearSelection();
 643 }
 644
 645 void DolphinView::renameSelectedItems()
 646 {
 647     const KFileItemList items = selectedItems();
 648     if (items.isEmpty()) {
 649         return;
 650     }
 651
 652     if (items.count() == 1 && GeneralSettings::renameInline()) {
 653         const int index = m_model->index(items.first());
 654         m_view->editRole(index, "text");
 655
 656         hideToolTip();
 657
 658         connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 659                 this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 660     } else {
 661         RenameDialog* dialog = new RenameDialog(this, items);
 662         dialog->setAttribute(Qt::WA_DeleteOnClose);
 663         dialog->show();
 664         dialog->raise();
 665         dialog->activateWindow();
 666     }
 667
 668     // Assure that the current index remains visible when KFileItemModel
 669     // will notify the view about changed items (which might result in
 670     // a changed sorting).
 671     m_assureVisibleCurrentIndex = true;
 672 }
 673
 674 void DolphinView::trashSelectedItems()
 675 {
 676     const KUrl::List list = simplifiedSelectedUrls();
 677     KonqOperations::del(this, KonqOperations::TRASH, list);
 678 }
 679
 680 void DolphinView::deleteSelectedItems()
 681 {
 682     const KUrl::List list = simplifiedSelectedUrls();
 683     const bool del = KonqOperations::askDeleteConfirmation(list,
 684                      KonqOperations::DEL,
 685                      KonqOperations::DEFAULT_CONFIRMATION,
 686                      this);
 687
 688     if (del) {
 689         KIO::Job* job = KIO::del(list);
 690         if (job->ui()) {
 691             KJobWidgets::setWindow(job, this);
 692         }
 693         connect(job, SIGNAL(result(KJob*)),
 694                 this, SLOT(slotDeleteFileFinished(KJob*)));
 695     }
 696 }
 697
 698 void DolphinView::cutSelectedItems()
 699 {
 700     QMimeData* mimeData = selectionMimeData();
 701     KonqMimeData::addIsCutSelection(mimeData, true);
 702     QApplication::clipboard()->setMimeData(mimeData);
 703 }
 704
 705 void DolphinView::copySelectedItems()
 706 {
 707     QMimeData* mimeData = selectionMimeData();
 708     QApplication::clipboard()->setMimeData(mimeData);
 709 }
 710
 711 void DolphinView::paste()
 712 {
 713     pasteToUrl(url());
 714 }
 715
 716 void DolphinView::pasteIntoFolder()
 717 {
 718     const KFileItemList items = selectedItems();
 719     if ((items.count() == 1) && items.first().isDir()) {
 720         pasteToUrl(items.first().url());
 721     }
 722 }
 723
 724 void DolphinView::stopLoading()
 725 {
 726     m_model->cancelDirectoryLoading();
 727 }
 728
 729 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 730 {
 731     switch (event->type()) {
 732     case QEvent::FocusIn:
 733         if (watched == m_container) {
 734             setActive(true);
 735         }
 736         break;
 737
 738     case QEvent::GraphicsSceneDragEnter:
 739         if (watched == m_view) {
 740             m_dragging = true;
 741         }
 742         break;
 743
 744     case QEvent::GraphicsSceneDragLeave:
 745         if (watched == m_view) {
 746             m_dragging = false;
 747         }
 748         break;
 749
 750     case QEvent::GraphicsSceneDrop:
 751         if (watched == m_view) {
 752             m_dragging = false;
 753         }
 754     default:
 755         break;
 756     }
 757
 758     return QWidget::eventFilter(watched, event);
 759 }
 760
 761 void DolphinView::wheelEvent(QWheelEvent* event)
 762 {
 763     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 764         const int numDegrees = event->delta() / 8;
 765         const int numSteps = numDegrees / 15;
 766
 767         setZoomLevel(zoomLevel() + numSteps);
 768         event->accept();
 769     } else {
 770         event->ignore();
 771     }
 772 }
 773
 774 void DolphinView::hideEvent(QHideEvent* event)
 775 {
 776     hideToolTip();
 777     QWidget::hideEvent(event);
 778 }
 779
 780 bool DolphinView::event(QEvent* event)
 781 {
 782     /* See Bug 297355
 783      * Dolphin leaves file preview tooltips open even when is not visible.
 784      *
 785      * Hide tool-tip when Dolphin loses focus.
 786      */
 787     if (event->type() == QEvent::WindowDeactivate) {
 788         hideToolTip();
 789     }
 790
 791     return QWidget::event(event);
 792 }
 793
 794 void DolphinView::activate()
 795 {
 796     setActive(true);
 797 }
 798
 799 void DolphinView::slotItemActivated(int index)
 800 {
 801     const KFileItem item = m_model->fileItem(index);
 802     if (!item.isNull()) {
 803         emit itemActivated(item);
 804     }
 805 }
 806
 807 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 808 {
 809     Q_ASSERT(indexes.count() >= 2);
 810
 811     if (indexes.count() > 5) {
 812         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 813         const int answer = KMessageBox::warningYesNo(this, question);
 814         if (answer != KMessageBox::Yes) {
 815             return;
 816         }
 817     }
 818
 819     KFileItemList items;
 820     items.reserve(indexes.count());
 821
 822     foreach (int index, indexes) {
 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 indexingEnabled = false;
 878 #ifdef HAVE_BALOO
 879     Baloo::IndexerConfig config;
 880     indexingEnabled = config.fileIndexingEnabled();
 881 #endif
 882
 883     QString groupName;
 884     QMenu* groupMenu = 0;
 885
 886     // Add all roles to the menu that can be shown or hidden by the user
 887     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 888     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 889         if (info.role == "text") {
 890             // It should not be possible to hide the "text" role
 891             continue;
 892         }
 893
 894         const QString text = m_model->roleDescription(info.role);
 895         QAction* action = 0;
 896         if (info.group.isEmpty()) {
 897             action = menu->addAction(text);
 898         } else {
 899             if (!groupMenu || info.group != groupName) {
 900                 groupName = info.group;
 901                 groupMenu = menu->addMenu(groupName);
 902             }
 903
 904             action = groupMenu->addAction(text);
 905         }
 906
 907         action->setCheckable(true);
 908         action->setChecked(visibleRolesSet.contains(info.role));
 909         action->setData(info.role);
 910
 911         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 912                             (info.requiresBaloo) ||
 913                             (info.requiresIndexer && indexingEnabled);
 914         action->setEnabled(enable);
 915     }
 916
 917     menu->addSeparator();
 918
 919     QActionGroup* widthsGroup = new QActionGroup(menu);
 920     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 921
 922     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 923     autoAdjustWidthsAction->setCheckable(true);
 924     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 925     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 926
 927     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 928     customWidthsAction->setCheckable(true);
 929     customWidthsAction->setChecked(!autoColumnWidths);
 930     customWidthsAction->setActionGroup(widthsGroup);
 931
 932     QAction* action = menu->exec(pos.toPoint());
 933     if (menu && action) {
 934         KItemListHeader* header = view->header();
 935
 936         if (action == autoAdjustWidthsAction) {
 937             // Clear the column-widths from the viewproperties and turn on
 938             // the automatic resizing of the columns
 939             props.setHeaderColumnWidths(QList<int>());
 940             header->setAutomaticColumnResizing(true);
 941         } else if (action == customWidthsAction) {
 942             // Apply the current column-widths as custom column-widths and turn
 943             // off the automatic resizing of the columns
 944             QList<int> columnWidths;
 945             foreach (const QByteArray& role, view->visibleRoles()) {
 946                 columnWidths.append(header->columnWidth(role));
 947             }
 948             props.setHeaderColumnWidths(columnWidths);
 949             header->setAutomaticColumnResizing(false);
 950         } else {
 951             // Show or hide the selected role
 952             const QByteArray selectedRole = action->data().toByteArray();
 953
 954             QList<QByteArray> visibleRoles = view->visibleRoles();
 955             if (action->isChecked()) {
 956                 visibleRoles.append(selectedRole);
 957             } else {
 958                 visibleRoles.removeOne(selectedRole);
 959             }
 960
 961             view->setVisibleRoles(visibleRoles);
 962             props.setVisibleRoles(visibleRoles);
 963
 964             QList<int> columnWidths;
 965             if (!header->automaticColumnResizing()) {
 966                 foreach (const QByteArray& role, view->visibleRoles()) {
 967                     columnWidths.append(header->columnWidth(role));
 968                 }
 969             }
 970             props.setHeaderColumnWidths(columnWidths);
 971         }
 972     }
 973
 974     delete menu;
 975 }
 976
 977 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 978 {
 979     Q_UNUSED(previous);
 980
 981     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 982
 983     ViewProperties props(viewPropertiesUrl());
 984     QList<int> columnWidths = props.headerColumnWidths();
 985     if (columnWidths.count() != visibleRoles.count()) {
 986         columnWidths.clear();
 987         columnWidths.reserve(visibleRoles.count());
 988         const KItemListHeader* header = m_view->header();
 989         foreach (const QByteArray& role, visibleRoles) {
 990             const int width = header->columnWidth(role);
 991             columnWidths.append(width);
 992         }
 993     }
 994
 995     const int roleIndex = visibleRoles.indexOf(role);
 996     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 997     columnWidths[roleIndex] = current;
 998
 999     props.setHeaderColumnWidths(columnWidths);
1000 }
1001
1002 void DolphinView::slotItemHovered(int index)
1003 {
1004     const KFileItem item = m_model->fileItem(index);
1005
1006     if (GeneralSettings::showToolTips() && !m_dragging) {
1007         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1008         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1009         itemRect.moveTo(pos);
1010
1011         m_toolTipManager->showToolTip(item, itemRect);
1012     }
1013
1014     emit requestItemInfo(item);
1015 }
1016
1017 void DolphinView::slotItemUnhovered(int index)
1018 {
1019     Q_UNUSED(index);
1020     hideToolTip();
1021     emit requestItemInfo(KFileItem());
1022 }
1023
1024 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1025 {
1026     KUrl destUrl;
1027     KFileItem destItem = m_model->fileItem(index);
1028     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1029         // Use the URL of the view as drop target if the item is no directory
1030         // or desktop-file
1031         destItem = m_model->rootItem();
1032         destUrl = url();
1033     } else {
1034         // The item represents a directory or desktop-file
1035         destUrl = destItem.url();
1036     }
1037
1038     QDropEvent dropEvent(event->pos().toPoint(),
1039                          event->possibleActions(),
1040                          event->mimeData(),
1041                          event->buttons(),
1042                          event->modifiers());
1043
1044     QString error;
1045     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1046     if (!error.isEmpty()) {
1047         emit infoMessage(error);
1048     }
1049
1050     if (op && destUrl == url()) {
1051         // Mark the dropped urls as selected.
1052         m_clearSelectionBeforeSelectingNewItems = true;
1053         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1054     }
1055
1056     setActive(true);
1057 }
1058
1059 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1060 {
1061     if (previous != 0) {
1062         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1063         m_versionControlObserver->setModel(0);
1064     }
1065
1066     if (current) {
1067         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1068         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1069
1070         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1071         m_versionControlObserver->setModel(fileItemModel);
1072     }
1073 }
1074
1075 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1076 {
1077     hideToolTip();
1078
1079     if (itemIndex < 0) {
1080         // Trigger the history navigation only when clicking on the viewport:
1081         // Above an item the XButtons provide a simple way to select items in
1082         // the singleClick mode.
1083         if (buttons & Qt::XButton1) {
1084             emit goBackRequested();
1085         } else if (buttons & Qt::XButton2) {
1086             emit goForwardRequested();
1087         }
1088     }
1089 }
1090
1091 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1092 {
1093     if (!urls.isEmpty()) {
1094         if (m_markFirstNewlySelectedItemAsCurrent) {
1095             markUrlAsCurrent(urls.first());
1096             m_markFirstNewlySelectedItemAsCurrent = false;
1097         }
1098         m_selectedUrls << KUrl::List(KDirModel::simplifiedUrlList(urls));
1099     }
1100 }
1101
1102 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1103 {
1104     const int currentCount = current.count();
1105     const int previousCount = previous.count();
1106     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1107                                        (currentCount >  0 && previousCount == 0);
1108
1109     // If nothing has been selected before and something got selected (or if something
1110     // was selected before and now nothing is selected) the selectionChangedSignal must
1111     // be emitted asynchronously as fast as possible to update the edit-actions.
1112     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1113     m_selectionChangedTimer->start();
1114 }
1115
1116 void DolphinView::emitSelectionChangedSignal()
1117 {
1118     m_selectionChangedTimer->stop();
1119     emit selectionChanged(selectedItems());
1120 }
1121
1122 void DolphinView::updateSortRole(const QByteArray& role)
1123 {
1124     ViewProperties props(viewPropertiesUrl());
1125     props.setSortRole(role);
1126
1127     KItemModelBase* model = m_container->controller()->model();
1128     model->setSortRole(role);
1129
1130     emit sortRoleChanged(role);
1131 }
1132
1133 void DolphinView::updateSortOrder(Qt::SortOrder order)
1134 {
1135     ViewProperties props(viewPropertiesUrl());
1136     props.setSortOrder(order);
1137
1138     m_model->setSortOrder(order);
1139
1140     emit sortOrderChanged(order);
1141 }
1142
1143 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1144 {
1145     ViewProperties props(viewPropertiesUrl());
1146     props.setSortFoldersFirst(foldersFirst);
1147
1148     m_model->setSortDirectoriesFirst(foldersFirst);
1149
1150     emit sortFoldersFirstChanged(foldersFirst);
1151 }
1152
1153 QPair<bool, QString> DolphinView::pasteInfo() const
1154 {
1155     return KonqOperations::pasteInfo(url());
1156 }
1157
1158 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1159 {
1160     m_tabsForFiles = tabsForFiles;
1161 }
1162
1163 bool DolphinView::isTabsForFilesEnabled() const
1164 {
1165     return m_tabsForFiles;
1166 }
1167
1168 bool DolphinView::itemsExpandable() const
1169 {
1170     return m_mode == DetailsView;
1171 }
1172
1173 void DolphinView::restoreState(QDataStream& stream)
1174 {
1175     // Restore the current item that had the keyboard focus
1176     stream >> m_currentItemUrl;
1177
1178     // Restore the view position
1179     stream >> m_restoredContentsPosition;
1180
1181     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1182     QSet<KUrl> urls;
1183     stream >> urls;
1184     m_model->restoreExpandedDirectories(urls);
1185 }
1186
1187 void DolphinView::saveState(QDataStream& stream)
1188 {
1189     // Save the current item that has the keyboard focus
1190     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1191     if (currentIndex != -1) {
1192         KFileItem item = m_model->fileItem(currentIndex);
1193         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1194         KUrl currentItemUrl = item.url();
1195         stream << currentItemUrl;
1196     } else {
1197         stream << KUrl();
1198     }
1199
1200     // Save view position
1201     const qreal x = m_container->horizontalScrollBar()->value();
1202     const qreal y = m_container->verticalScrollBar()->value();
1203     stream << QPoint(x, y);
1204
1205     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1206     stream << m_model->expandedDirectories();
1207 }
1208
1209 KFileItem DolphinView::rootItem() const
1210 {
1211     return m_model->rootItem();
1212 }
1213
1214 void DolphinView::setViewPropertiesContext(const QString& context)
1215 {
1216     m_viewPropertiesContext = context;
1217 }
1218
1219 QString DolphinView::viewPropertiesContext() const
1220 {
1221     return m_viewPropertiesContext;
1222 }
1223
1224 KUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1225 {
1226     if (item.isNull()) {
1227         return KUrl();
1228     }
1229
1230     KUrl url = item.targetUrl();
1231
1232     if (item.isDir()) {
1233         return url;
1234     }
1235
1236     if (item.isMimeTypeKnown()) {
1237         const QString& mimetype = item.mimetype();
1238
1239         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1240             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1241             // zip:/<path>/ when clicking on a zip file, etc.
1242             // The .protocol file specifies the mimetype that the kioslave handles.
1243             // Note that we don't use mimetype inheritance since we don't want to
1244             // open OpenDocument files as zip folders...
1245             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1246             if (!protocol.isEmpty()) {
1247                 url.setProtocol(protocol);
1248                 return url;
1249             }
1250         }
1251
1252         if (mimetype == QLatin1String("application/x-desktop")) {
1253             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1254             KDesktopFile desktopFile(url.toLocalFile());
1255             if (desktopFile.hasLinkType()) {
1256                 const QString linkUrl = desktopFile.readUrl();
1257                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1258                     return linkUrl;
1259                 }
1260             }
1261         }
1262     }
1263
1264     return KUrl();
1265 }
1266
1267 void DolphinView::observeCreatedItem(const KUrl& url)
1268 {
1269     if (m_active) {
1270         clearSelection();
1271         markUrlAsCurrent(url);
1272         markUrlsAsSelected(QList<KUrl>() << url);
1273     }
1274 }
1275
1276 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1277 {
1278     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1279         emit redirection(oldUrl, newUrl);
1280         m_url = newUrl; // #186947
1281     }
1282 }
1283
1284 void DolphinView::updateViewState()
1285 {
1286     if (m_currentItemUrl != KUrl()) {
1287         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1288         const int currentIndex = m_model->index(m_currentItemUrl);
1289         if (currentIndex != -1) {
1290             selectionManager->setCurrentItem(currentIndex);
1291
1292             // scroll to current item and reset the state
1293             if (m_scrollToCurrentItem) {
1294                 m_view->scrollToItem(currentIndex);
1295                 m_scrollToCurrentItem = false;
1296             }
1297
1298             m_currentItemUrl = KUrl();
1299         } else {
1300             selectionManager->setCurrentItem(0);
1301         }
1302     }
1303
1304     if (!m_restoredContentsPosition.isNull()) {
1305         const int x = m_restoredContentsPosition.x();
1306         const int y = m_restoredContentsPosition.y();
1307         m_restoredContentsPosition = QPoint();
1308
1309         m_container->horizontalScrollBar()->setValue(x);
1310         m_container->verticalScrollBar()->setValue(y);
1311     }
1312
1313     if (!m_selectedUrls.isEmpty()) {
1314         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1315
1316         if (m_clearSelectionBeforeSelectingNewItems) {
1317             selectionManager->clearSelection();
1318             m_clearSelectionBeforeSelectingNewItems = false;
1319         }
1320
1321         KItemSet selectedItems = selectionManager->selectedItems();
1322
1323         QList<KUrl>::iterator it = m_selectedUrls.begin();
1324         while (it != m_selectedUrls.end()) {
1325             const int index = m_model->index(*it);
1326             if (index >= 0) {
1327                 selectedItems.insert(index);
1328                 it = m_selectedUrls.erase(it);
1329             } else {
1330                  ++it;
1331             }
1332         }
1333
1334         selectionManager->setSelectedItems(selectedItems);
1335     }
1336 }
1337
1338 void DolphinView::hideToolTip()
1339 {
1340     if (GeneralSettings::showToolTips()) {
1341         m_toolTipManager->hideToolTip();
1342     }
1343 }
1344
1345 void DolphinView::calculateItemCount(int& fileCount,
1346                                      int& folderCount,
1347                                      KIO::filesize_t& totalFileSize) const
1348 {
1349     const int itemCount = m_model->count();
1350     for (int i = 0; i < itemCount; ++i) {
1351         const KFileItem item = m_model->fileItem(i);
1352         if (item.isDir()) {
1353             ++folderCount;
1354         } else {
1355             ++fileCount;
1356             totalFileSize += item.size();
1357         }
1358     }
1359 }
1360
1361 void DolphinView::showHoverInformation(const KFileItem& item)
1362 {
1363     emit requestItemInfo(item);
1364 }
1365
1366 void DolphinView::clearHoverInformation()
1367 {
1368     emit requestItemInfo(KFileItem());
1369 }
1370
1371 void DolphinView::slotDeleteFileFinished(KJob* job)
1372 {
1373     if (job->error() == 0) {
1374         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1375     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1376         emit errorMessage(job->errorString());
1377     }
1378 }
1379
1380 void DolphinView::slotRenamingFailed(const KUrl& oldUrl, const KUrl& newUrl)
1381 {
1382     const int index = m_model->index(newUrl);
1383     if (index >= 0) {
1384         QHash<QByteArray, QVariant> data;
1385         data.insert("text", oldUrl.fileName());
1386         m_model->setData(index, data);
1387     }
1388 }
1389
1390 void DolphinView::slotDirectoryLoadingStarted()
1391 {
1392     // Disable the writestate temporary until it can be determined in a fast way
1393     // in DolphinView::slotLoadingCompleted()
1394     if (m_isFolderWritable) {
1395         m_isFolderWritable = false;
1396         emit writeStateChanged(m_isFolderWritable);
1397     }
1398
1399     emit directoryLoadingStarted();
1400 }
1401
1402 void DolphinView::slotDirectoryLoadingCompleted()
1403 {
1404     // Update the view-state. This has to be done asynchronously
1405     // because the view might not be in its final state yet.
1406     QTimer::singleShot(0, this, SLOT(updateViewState()));
1407
1408     emit directoryLoadingCompleted();
1409
1410     updateWritableState();
1411 }
1412
1413 void DolphinView::slotItemsChanged()
1414 {
1415     m_assureVisibleCurrentIndex = false;
1416 }
1417
1418 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1419 {
1420     Q_UNUSED(previous);
1421     Q_ASSERT(m_model->sortOrder() == current);
1422
1423     ViewProperties props(viewPropertiesUrl());
1424     props.setSortOrder(current);
1425
1426     emit sortOrderChanged(current);
1427 }
1428
1429 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1430 {
1431     Q_UNUSED(previous);
1432     Q_ASSERT(m_model->sortRole() == current);
1433
1434     ViewProperties props(viewPropertiesUrl());
1435     props.setSortRole(current);
1436
1437     emit sortRoleChanged(current);
1438 }
1439
1440 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1441                                                   const QList<QByteArray>& previous)
1442 {
1443     Q_UNUSED(previous);
1444     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1445
1446     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1447
1448     m_visibleRoles = current;
1449
1450     ViewProperties props(viewPropertiesUrl());
1451     props.setVisibleRoles(m_visibleRoles);
1452
1453     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1454 }
1455
1456 void DolphinView::slotRoleEditingCanceled()
1457 {
1458     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1459                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1460 }
1461
1462 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1463 {
1464     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1465                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1466
1467     if (index < 0 || index >= m_model->count()) {
1468         return;
1469     }
1470
1471     if (role == "text") {
1472         const KFileItem oldItem = m_model->fileItem(index);
1473         const QString newName = value.toString();
1474         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1475             const KUrl oldUrl = oldItem.url();
1476
1477             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1478             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1479             if (!newNameExistsAlready) {
1480                 // Only change the data in the model if no item with the new name
1481                 // is in the model yet. If there is an item with the new name
1482                 // already, calling KonqOperations::rename() will open a dialog
1483                 // asking for a new name, and KFileItemModel will update the
1484                 // data when the dir lister signals that the file name has changed.
1485                 QHash<QByteArray, QVariant> data;
1486                 data.insert(role, value);
1487                 m_model->setData(index, data);
1488             }
1489
1490             KonqOperations* op = KonqOperations::renameV2(this, oldUrl, newName);
1491             if (op && !newNameExistsAlready) {
1492                 // Only connect the renamingFailed signal if there is no item with the new name
1493                 // in the model yet, see bug 328262.
1494                 connect(op, SIGNAL(renamingFailed(KUrl,KUrl)), SLOT(slotRenamingFailed(KUrl,KUrl)));
1495             }
1496         }
1497     }
1498 }
1499
1500 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1501 {
1502     if (!url.isValid()) {
1503         const QString location(url.pathOrUrl());
1504         if (location.isEmpty()) {
1505             emit errorMessage(i18nc("@info:status", "The location is empty."));
1506         } else {
1507             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1508         }
1509         return;
1510     }
1511
1512     if (reload) {
1513         m_model->refreshDirectory(url);
1514     } else {
1515         m_model->loadDirectory(url);
1516     }
1517 }
1518
1519 void DolphinView::applyViewProperties()
1520 {
1521     const ViewProperties props(viewPropertiesUrl());
1522     applyViewProperties(props);
1523 }
1524
1525 void DolphinView::applyViewProperties(const ViewProperties& props)
1526 {
1527     m_view->beginTransaction();
1528
1529     const Mode mode = props.viewMode();
1530     if (m_mode != mode) {
1531         const Mode previousMode = m_mode;
1532         m_mode = mode;
1533
1534         // Changing the mode might result in changing
1535         // the zoom level. Remember the old zoom level so
1536         // that zoomLevelChanged() can get emitted.
1537         const int oldZoomLevel = m_view->zoomLevel();
1538         applyModeToView();
1539
1540         emit modeChanged(m_mode, previousMode);
1541
1542         if (m_view->zoomLevel() != oldZoomLevel) {
1543             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1544         }
1545     }
1546
1547     const bool hiddenFilesShown = props.hiddenFilesShown();
1548     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1549         m_model->setShowHiddenFiles(hiddenFilesShown);
1550         emit hiddenFilesShownChanged(hiddenFilesShown);
1551     }
1552
1553     const bool groupedSorting = props.groupedSorting();
1554     if (groupedSorting != m_model->groupedSorting()) {
1555         m_model->setGroupedSorting(groupedSorting);
1556         emit groupedSortingChanged(groupedSorting);
1557     }
1558
1559     const QByteArray sortRole = props.sortRole();
1560     if (sortRole != m_model->sortRole()) {
1561         m_model->setSortRole(sortRole);
1562         emit sortRoleChanged(sortRole);
1563     }
1564
1565     const Qt::SortOrder sortOrder = props.sortOrder();
1566     if (sortOrder != m_model->sortOrder()) {
1567         m_model->setSortOrder(sortOrder);
1568         emit sortOrderChanged(sortOrder);
1569     }
1570
1571     const bool sortFoldersFirst = props.sortFoldersFirst();
1572     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1573         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1574         emit sortFoldersFirstChanged(sortFoldersFirst);
1575     }
1576
1577     const QList<QByteArray> visibleRoles = props.visibleRoles();
1578     if (visibleRoles != m_visibleRoles) {
1579         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1580         m_visibleRoles = visibleRoles;
1581         m_view->setVisibleRoles(visibleRoles);
1582         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1583     }
1584
1585     const bool previewsShown = props.previewsShown();
1586     if (previewsShown != m_view->previewsShown()) {
1587         const int oldZoomLevel = zoomLevel();
1588
1589         m_view->setPreviewsShown(previewsShown);
1590         emit previewsShownChanged(previewsShown);
1591
1592         // Changing the preview-state might result in a changed zoom-level
1593         if (oldZoomLevel != zoomLevel()) {
1594             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1595         }
1596     }
1597
1598     KItemListView* itemListView = m_container->controller()->view();
1599     if (itemListView->isHeaderVisible()) {
1600         KItemListHeader* header = itemListView->header();
1601         const QList<int> headerColumnWidths = props.headerColumnWidths();
1602         const int rolesCount = m_visibleRoles.count();
1603         if (headerColumnWidths.count() == rolesCount) {
1604             header->setAutomaticColumnResizing(false);
1605
1606             QHash<QByteArray, qreal> columnWidths;
1607             for (int i = 0; i < rolesCount; ++i) {
1608                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1609             }
1610             header->setColumnWidths(columnWidths);
1611         } else {
1612             header->setAutomaticColumnResizing(true);
1613         }
1614     }
1615
1616     m_view->endTransaction();
1617 }
1618
1619 void DolphinView::applyModeToView()
1620 {
1621     switch (m_mode) {
1622     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1623     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1624     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1625     default: Q_ASSERT(false); break;
1626     }
1627 }
1628
1629 void DolphinView::pasteToUrl(const KUrl& url)
1630 {
1631     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1632     if (op) {
1633         m_clearSelectionBeforeSelectingNewItems = true;
1634         m_markFirstNewlySelectedItemAsCurrent = true;
1635         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1636     }
1637 }
1638
1639 KUrl::List DolphinView::simplifiedSelectedUrls() const
1640 {
1641     KUrl::List urls;
1642
1643     const KFileItemList items = selectedItems();
1644     foreach (const KFileItem& item, items) {
1645         urls.append(item.url());
1646     }
1647
1648     if (itemsExpandable()) {
1649         // TODO: Check if we still need KDirModel for this in KDE 5.0
1650         urls = KDirModel::simplifiedUrlList(urls);
1651     }
1652
1653     return urls;
1654 }
1655
1656 QMimeData* DolphinView::selectionMimeData() const
1657 {
1658     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1659     const KItemSet selectedIndexes = selectionManager->selectedItems();
1660
1661     return m_model->createMimeData(selectedIndexes);
1662 }
1663
1664 void DolphinView::updateWritableState()
1665 {
1666     const bool wasFolderWritable = m_isFolderWritable;
1667     m_isFolderWritable = false;
1668
1669     KFileItem item = m_model->rootItem();
1670     if (item.isNull()) {
1671         // Try to find out if the URL is writable even if the "root item" is
1672         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1673         item = KFileItem(KFileItem::Unknown, KFileItem::Unknown, url(), true);
1674     }
1675
1676     KFileItemListProperties capabilities(KFileItemList() << item);
1677     m_isFolderWritable = capabilities.supportsWriting();
1678
1679     if (m_isFolderWritable != wasFolderWritable) {
1680         emit writeStateChanged(m_isFolderWritable);
1681     }
1682 }
1683
1684 KUrl DolphinView::viewPropertiesUrl() const
1685 {
1686     if (m_viewPropertiesContext.isEmpty()) {
1687         return m_url;
1688     }
1689
1690     KUrl url;
1691     url.setProtocol(m_url.protocol());
1692     url.setPath(m_viewPropertiesContext);
1693     return url;
1694 }
1695
1696 #include "dolphinview.moc"