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