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