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