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