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