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 <KDirLister>
  39 #include <KDirModel>
  40 #include <KIconEffect>
  41 #include <KFileItem>
  42 #include <KFileItemListProperties>
  43 #include <KLocale>
  44 #include <kitemviews/kfileitemmodel.h>
  45 #include <kitemviews/kfileitemlistview.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/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 "dolphindirlister.h"
  63 #include "dolphinnewfilemenuobserver.h"
  64 #include "dolphin_detailsmodesettings.h"
  65 #include "dolphin_generalsettings.h"
  66 #include "dolphinitemlistcontainer.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_dirLister(0),
  95     m_container(0),
  96     m_toolTipManager(0),
  97     m_selectionChangedTimer(0),
  98     m_currentItemUrl(),
  99     m_restoredContentsPosition(),
 100     m_createdItemUrl(),
 101     m_selectedUrls(),
 102     m_versionControlObserver(0)
 103 {
 104     m_topLayout = new QVBoxLayout(this);
 105     m_topLayout->setSpacing(0);
 106     m_topLayout->setMargin(0);
 107
 108     // When a new item has been created by the "Create New..." menu, the item should
 109     // get selected and it must be assured that the item will get visible. As the
 110     // creation is done asynchronously, several signals must be checked:
 111     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 112             this, SLOT(observeCreatedItem(KUrl)));
 113
 114     m_selectionChangedTimer = new QTimer(this);
 115     m_selectionChangedTimer->setSingleShot(true);
 116     m_selectionChangedTimer->setInterval(300);
 117     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 118             this, SLOT(emitSelectionChangedSignal()));
 119
 120     m_dirLister = new DolphinDirLister(this);
 121     m_dirLister->setAutoUpdate(true);
 122     m_dirLister->setDelayedMimeTypes(true);
 123
 124     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
 125     connect(m_dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
 126     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
 127             this, SLOT(slotRefreshItems()));
 128
 129     connect(m_dirLister, SIGNAL(clear()),                     this, SIGNAL(itemCountChanged()));
 130     connect(m_dirLister, SIGNAL(newItems(KFileItemList)),     this, SIGNAL(itemCountChanged()));
 131     connect(m_dirLister, SIGNAL(infoMessage(QString)),        this, SIGNAL(infoMessage(QString)));
 132     connect(m_dirLister, SIGNAL(errorMessage(QString)),       this, SIGNAL(infoMessage(QString)));
 133     connect(m_dirLister, SIGNAL(percent(int)),                this, SIGNAL(pathLoadingProgress(int)));
 134     connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)),        this, SIGNAL(urlIsFileError(KUrl)));
 135     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
 136
 137     m_container = new DolphinItemListContainer(m_dirLister, this);
 138     m_container->setVisibleRoles(QList<QByteArray>() << "name");
 139     m_container->installEventFilter(this);
 140     setFocusProxy(m_container);
 141     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 142     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 143
 144     KItemListController* controller = m_container->controller();
 145     controller->setSelectionBehavior(KItemListController::MultiSelection);
 146     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 147     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 148     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 149     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 150     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 151     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 152     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 153     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 154     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 155     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 156     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 157
 158     KFileItemModel* model = fileItemModel();
 159     if (model) {
 160         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 161     }
 162
 163     KItemListView* view = controller->view();
 164     view->installEventFilter(this);
 165     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 166             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 167     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 168             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 169     connect(view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 170             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 171     connect(view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 172             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 173
 174     KItemListSelectionManager* selectionManager = controller->selectionManager();
 175     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 176             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 177
 178     m_toolTipManager = new ToolTipManager(this);
 179
 180     m_versionControlObserver = new VersionControlObserver(this);
 181     m_versionControlObserver->setModel(model);
 182     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 183     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 184     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 185
 186     applyViewProperties();
 187     m_topLayout->addWidget(m_container);
 188
 189     loadDirectory(url);
 190 }
 191
 192 DolphinView::~DolphinView()
 193 {
 194 }
 195
 196 KUrl DolphinView::url() const
 197 {
 198     return m_url;
 199 }
 200
 201 void DolphinView::setActive(bool active)
 202 {
 203     if (active == m_active) {
 204         return;
 205     }
 206
 207     m_active = active;
 208
 209     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 210     if (!active) {
 211         color.setAlpha(150);
 212     }
 213
 214     QWidget* viewport = m_container->viewport();
 215     if (viewport) {
 216         QPalette palette;
 217         palette.setColor(viewport->backgroundRole(), color);
 218         viewport->setPalette(palette);
 219     }
 220
 221     update();
 222
 223     if (active) {
 224         m_container->setFocus();
 225         emit activated();
 226         emit writeStateChanged(m_isFolderWritable);
 227     }
 228 }
 229
 230 bool DolphinView::isActive() const
 231 {
 232     return m_active;
 233 }
 234
 235 void DolphinView::setMode(Mode mode)
 236 {
 237     if (mode != m_mode) {
 238         ViewProperties props(url());
 239         props.setViewMode(mode);
 240         props.save();
 241
 242         applyViewProperties();
 243     }
 244 }
 245
 246 DolphinView::Mode DolphinView::mode() const
 247 {
 248     return m_mode;
 249 }
 250
 251 void DolphinView::setPreviewsShown(bool show)
 252 {
 253     if (previewsShown() == show) {
 254         return;
 255     }
 256
 257     ViewProperties props(url());
 258     props.setPreviewsShown(show);
 259
 260     m_container->setPreviewsShown(show);
 261     emit previewsShownChanged(show);
 262 }
 263
 264 bool DolphinView::previewsShown() const
 265 {
 266     return m_container->previewsShown();
 267 }
 268
 269 void DolphinView::setHiddenFilesShown(bool show)
 270 {
 271     if (m_dirLister->showingDotFiles() == show) {
 272         return;
 273     }
 274
 275     const KFileItemList itemList = selectedItems();
 276     m_selectedUrls.clear();
 277     m_selectedUrls = itemList.urlList();
 278
 279     ViewProperties props(url());
 280     props.setHiddenFilesShown(show);
 281
 282     fileItemModel()->setShowHiddenFiles(show);
 283     emit hiddenFilesShownChanged(show);
 284 }
 285
 286 bool DolphinView::hiddenFilesShown() const
 287 {
 288     return m_dirLister->showingDotFiles();
 289 }
 290
 291 void DolphinView::setGroupedSorting(bool grouped)
 292 {
 293     if (grouped == groupedSorting()) {
 294         return;
 295     }
 296
 297     ViewProperties props(url());
 298     props.setGroupedSorting(grouped);
 299     props.save();
 300
 301     m_container->controller()->model()->setGroupedSorting(grouped);
 302
 303     emit groupedSortingChanged(grouped);
 304 }
 305
 306 bool DolphinView::groupedSorting() const
 307 {
 308     return fileItemModel()->groupedSorting();
 309 }
 310
 311 KFileItemList DolphinView::items() const
 312 {
 313     return m_dirLister->items();
 314 }
 315
 316 KFileItemList DolphinView::selectedItems() const
 317 {
 318     const KFileItemModel* model = fileItemModel();
 319     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 320     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 321
 322     KFileItemList selectedItems;
 323     QSetIterator<int> it(selectedIndexes);
 324     while (it.hasNext()) {
 325         const int index = it.next();
 326         selectedItems.append(model->fileItem(index));
 327     }
 328     return selectedItems;
 329 }
 330
 331 int DolphinView::selectedItemsCount() const
 332 {
 333     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 334     return selectionManager->selectedItems().count();
 335 }
 336
 337 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 338 {
 339     m_selectedUrls = urls;
 340 }
 341
 342 void DolphinView::markUrlAsCurrent(const KUrl& url)
 343 {
 344     m_currentItemUrl = url;
 345 }
 346
 347 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 348 {
 349     const KItemListSelectionManager::SelectionMode mode = enabled
 350                                                         ? KItemListSelectionManager::Select
 351                                                         : KItemListSelectionManager::Deselect;
 352     const KFileItemModel* model = fileItemModel();
 353     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 354
 355     for (int index = 0; index < model->count(); index++) {
 356         const KFileItem item = model->fileItem(index);
 357         if (pattern.exactMatch(item.text())) {
 358             // An alternative approach would be to store the matching items in a QSet<int> and
 359             // select them in one go after the loop, but we'd need a new function
 360             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 361             // for that.
 362             selectionManager->setSelected(index, 1, mode);
 363         }
 364     }
 365 }
 366
 367 void DolphinView::setZoomLevel(int level)
 368 {
 369     const int oldZoomLevel = zoomLevel();
 370     m_container->setZoomLevel(level);
 371     if (zoomLevel() != oldZoomLevel) {
 372         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 373     }
 374 }
 375
 376 int DolphinView::zoomLevel() const
 377 {
 378     return m_container->zoomLevel();
 379 }
 380
 381 void DolphinView::setSortRole(const QByteArray& role)
 382 {
 383     if (role != sortRole()) {
 384         updateSortRole(role);
 385     }
 386 }
 387
 388 QByteArray DolphinView::sortRole() const
 389 {
 390     const KItemModelBase* model = m_container->controller()->model();
 391     return model->sortRole();
 392 }
 393
 394 void DolphinView::setSortOrder(Qt::SortOrder order)
 395 {
 396     if (sortOrder() != order) {
 397         updateSortOrder(order);
 398     }
 399 }
 400
 401 Qt::SortOrder DolphinView::sortOrder() const
 402 {
 403     KItemModelBase* model = fileItemModel();
 404     return model->sortOrder();
 405 }
 406
 407 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 408 {
 409     if (sortFoldersFirst() != foldersFirst) {
 410         updateSortFoldersFirst(foldersFirst);
 411     }
 412 }
 413
 414 bool DolphinView::sortFoldersFirst() const
 415 {
 416     KFileItemModel* model = fileItemModel();
 417     return model->sortFoldersFirst();
 418 }
 419
 420 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 421 {
 422     const QList<QByteArray> previousRoles = roles;
 423
 424     ViewProperties props(url());
 425     props.setVisibleRoles(roles);
 426
 427     m_visibleRoles = roles;
 428     m_container->setVisibleRoles(roles);
 429
 430     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 431 }
 432
 433 QList<QByteArray> DolphinView::visibleRoles() const
 434 {
 435     return m_visibleRoles;
 436 }
 437
 438 void DolphinView::reload()
 439 {
 440     QByteArray viewState;
 441     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 442     saveState(saveStream);
 443
 444     const KFileItemList itemList = selectedItems();
 445     m_selectedUrls.clear();
 446     m_selectedUrls = itemList.urlList();
 447
 448     setUrl(url());
 449     loadDirectory(url(), true);
 450
 451     QDataStream restoreStream(viewState);
 452     restoreState(restoreStream);
 453 }
 454
 455 void DolphinView::stopLoading()
 456 {
 457     m_dirLister->stop();
 458 }
 459
 460 void DolphinView::readSettings()
 461 {
 462     const int oldZoomLevel = m_container->zoomLevel();
 463
 464     GeneralSettings::self()->readConfig();
 465     m_container->readSettings();
 466     applyViewProperties();
 467
 468     const int newZoomLevel = m_container->zoomLevel();
 469     if (newZoomLevel != oldZoomLevel) {
 470         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 471     }
 472 }
 473
 474 void DolphinView::writeSettings()
 475 {
 476     GeneralSettings::self()->writeConfig();
 477     m_container->writeSettings();
 478 }
 479
 480 void DolphinView::setNameFilter(const QString& nameFilter)
 481 {
 482     fileItemModel()->setNameFilter(nameFilter);
 483 }
 484
 485 QString DolphinView::nameFilter() const
 486 {
 487     return fileItemModel()->nameFilter();
 488 }
 489
 490 void DolphinView::calculateItemCount(int& fileCount,
 491                                      int& folderCount,
 492                                      KIO::filesize_t& totalFileSize) const
 493 {
 494     foreach (const KFileItem& item, m_dirLister->items()) {
 495         if (item.isDir()) {
 496             ++folderCount;
 497         } else {
 498             ++fileCount;
 499             totalFileSize += item.size();
 500         }
 501     }
 502 }
 503
 504 QString DolphinView::statusBarText() const
 505 {
 506     QString summary;
 507     QString foldersText;
 508     QString filesText;
 509
 510     int folderCount = 0;
 511     int fileCount = 0;
 512     KIO::filesize_t totalFileSize = 0;
 513
 514     if (hasSelection()) {
 515         // Give a summary of the status of the selected files
 516         const KFileItemList list = selectedItems();
 517         foreach (const KFileItem& item, list) {
 518             if (item.isDir()) {
 519                 ++folderCount;
 520             } else {
 521                 ++fileCount;
 522                 totalFileSize += item.size();
 523             }
 524         }
 525
 526         if (folderCount + fileCount == 1) {
 527             // If only one item is selected, show the filename
 528             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 529         } else {
 530             // At least 2 items are selected
 531             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 532             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 533         }
 534     } else {
 535         calculateItemCount(fileCount, folderCount, totalFileSize);
 536         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 537         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 538     }
 539
 540     if (fileCount > 0 && folderCount > 0) {
 541         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 542                         foldersText, filesText,
 543                         KGlobal::locale()->formatByteSize(totalFileSize));
 544     } else if (fileCount > 0) {
 545         summary = i18nc("@info:status files (size)", "%1 (%2)",
 546                         filesText,
 547                         KGlobal::locale()->formatByteSize(totalFileSize));
 548     } else if (folderCount > 0) {
 549         summary = foldersText;
 550     }
 551
 552     return summary;
 553 }
 554
 555 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 556 {
 557     QList<QAction*> actions;
 558
 559     if (items.isEmpty()) {
 560         const KFileItem item = fileItemModel()->rootItem();
 561         actions = m_versionControlObserver->actions(KFileItemList() << item);
 562     } else {
 563         actions = m_versionControlObserver->actions(items);
 564     }
 565
 566     return actions;
 567 }
 568
 569 void DolphinView::setUrl(const KUrl& url)
 570 {
 571     if (url == m_url) {
 572         return;
 573     }
 574
 575     emit urlAboutToBeChanged(url);
 576     m_url = url;
 577
 578     hideToolTip();
 579
 580     // It is important to clear the items from the model before
 581     // applying the view properties, otherwise expensive operations
 582     // might be done on the existing items although they get cleared
 583     // anyhow afterwards by loadDirectory().
 584     fileItemModel()->clear();
 585     applyViewProperties();
 586     loadDirectory(url);
 587
 588     emit urlChanged(url);
 589 }
 590
 591 void DolphinView::selectAll()
 592 {
 593     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 594     selectionManager->setSelected(0, fileItemModel()->count());
 595 }
 596
 597 void DolphinView::invertSelection()
 598 {
 599     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 600     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 601 }
 602
 603 void DolphinView::clearSelection()
 604 {
 605     m_container->controller()->selectionManager()->clearSelection();
 606 }
 607
 608 void DolphinView::renameSelectedItems()
 609 {
 610     KFileItemList items = selectedItems();
 611     const int itemCount = items.count();
 612     if (itemCount < 1) {
 613         return;
 614     }
 615
 616     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 617     // renaming yet.
 618     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 619         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 620         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 621         m_viewAccessor.itemView()->edit(proxyIndex);
 622     } else {*/
 623         RenameDialog* dialog = new RenameDialog(this, items);
 624         dialog->setAttribute(Qt::WA_DeleteOnClose);
 625         dialog->show();
 626         dialog->raise();
 627         dialog->activateWindow();
 628     //}
 629
 630     // assure that the current index remains visible when KDirLister
 631     // will notify the view about changed items
 632     m_assureVisibleCurrentIndex = true;
 633 }
 634
 635 void DolphinView::trashSelectedItems()
 636 {
 637     const KUrl::List list = simplifiedSelectedUrls();
 638     KonqOperations::del(this, KonqOperations::TRASH, list);
 639 }
 640
 641 void DolphinView::deleteSelectedItems()
 642 {
 643     const KUrl::List list = simplifiedSelectedUrls();
 644     const bool del = KonqOperations::askDeleteConfirmation(list,
 645                      KonqOperations::DEL,
 646                      KonqOperations::DEFAULT_CONFIRMATION,
 647                      this);
 648
 649     if (del) {
 650         KIO::Job* job = KIO::del(list);
 651         connect(job, SIGNAL(result(KJob*)),
 652                 this, SLOT(slotDeleteFileFinished(KJob*)));
 653     }
 654 }
 655
 656 void DolphinView::cutSelectedItems()
 657 {
 658     QMimeData* mimeData = selectionMimeData();
 659     KonqMimeData::addIsCutSelection(mimeData, true);
 660     QApplication::clipboard()->setMimeData(mimeData);
 661 }
 662
 663 void DolphinView::copySelectedItems()
 664 {
 665     QMimeData* mimeData = selectionMimeData();
 666     QApplication::clipboard()->setMimeData(mimeData);
 667 }
 668
 669 void DolphinView::paste()
 670 {
 671     pasteToUrl(url());
 672 }
 673
 674 void DolphinView::pasteIntoFolder()
 675 {
 676     const KFileItemList items = selectedItems();
 677     if ((items.count() == 1) && items.first().isDir()) {
 678         pasteToUrl(items.first().url());
 679     }
 680 }
 681
 682 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 683 {
 684     switch (event->type()) {
 685     case QEvent::FocusIn:
 686         if (watched == m_container) {
 687             setActive(true);
 688         }
 689         break;
 690
 691     case QEvent::GraphicsSceneDragEnter:
 692         if (watched == m_container->controller()->view()) {
 693             m_dragging = true;
 694         }
 695         break;
 696
 697     case QEvent::GraphicsSceneDragLeave:
 698         if (watched == m_container->controller()->view()) {
 699             m_dragging = false;
 700         }
 701         break;
 702
 703     case QEvent::GraphicsSceneDrop:
 704         if (watched == m_container->controller()->view()) {
 705             m_dragging = false;
 706         }
 707     default:
 708         break;
 709     }
 710
 711     return QWidget::eventFilter(watched, event);
 712 }
 713
 714 void DolphinView::wheelEvent(QWheelEvent* event)
 715 {
 716     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 717         const int numDegrees = event->delta() / 8;
 718         const int numSteps = numDegrees / 15;
 719
 720         setZoomLevel(zoomLevel() + numSteps);
 721         event->accept();
 722     } else {
 723         event->ignore();
 724     }
 725 }
 726
 727 void DolphinView::hideEvent(QHideEvent* event)
 728 {
 729     hideToolTip();
 730     QWidget::hideEvent(event);
 731 }
 732
 733 void DolphinView::activate()
 734 {
 735     setActive(true);
 736 }
 737
 738 void DolphinView::slotItemActivated(int index)
 739 {
 740     const KFileItem item = fileItemModel()->fileItem(index);
 741     if (!item.isNull()) {
 742         emit itemActivated(item);
 743     }
 744 }
 745
 746 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 747 {
 748     Q_ASSERT(indexes.count() >= 2);
 749
 750     KFileItemList items;
 751
 752     KFileItemModel* model = fileItemModel();
 753     QSetIterator<int> it(indexes);
 754     while (it.hasNext()) {
 755         const int index = it.next();
 756         items.append(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 = fileItemModel()->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 = fileItemModel()->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()->init() == 0);
 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 == "name") {
 813             // It should not be possible to hide the "name" role
 814             continue;
 815         }
 816
 817         const QString text = fileItemModel()->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_container->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_container->controller()->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 = fileItemModel()->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 = fileItemModel()->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 = fileItemModel()->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(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 982     }
 983
 984     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 985     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
 986
 987     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 988     m_versionControlObserver->setModel(fileItemModel);
 989 }
 990
 991 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
 992 {
 993     hideToolTip();
 994
 995     if (itemIndex < 0) {
 996         // Trigger the history navigation only when clicking on the viewport:
 997         // Above an item the XButtons provide a simple way to select items in
 998         // the singleClick mode.
 999         if (buttons & Qt::XButton1) {
1000             emit goBackRequested();
1001         } else if (buttons & Qt::XButton2) {
1002             emit goForwardRequested();
1003         }
1004     }
1005 }
1006
1007 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1008 {
1009     const int currentCount = current.count();
1010     const int previousCount = previous.count();
1011     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1012                                        (currentCount >  0 && previousCount == 0);
1013
1014     // If nothing has been selected before and something got selected (or if something
1015     // was selected before and now nothing is selected) the selectionChangedSignal must
1016     // be emitted asynchronously as fast as possible to update the edit-actions.
1017     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1018     m_selectionChangedTimer->start();
1019 }
1020
1021 void DolphinView::emitSelectionChangedSignal()
1022 {
1023     m_selectionChangedTimer->stop();
1024     emit selectionChanged(selectedItems());
1025 }
1026
1027 void DolphinView::updateSortRole(const QByteArray& role)
1028 {
1029     ViewProperties props(url());
1030     props.setSortRole(role);
1031
1032     KItemModelBase* model = m_container->controller()->model();
1033     model->setSortRole(role);
1034
1035     emit sortRoleChanged(role);
1036 }
1037
1038 void DolphinView::updateSortOrder(Qt::SortOrder order)
1039 {
1040     ViewProperties props(url());
1041     props.setSortOrder(order);
1042
1043     KItemModelBase* model = fileItemModel();
1044     model->setSortOrder(order);
1045
1046     emit sortOrderChanged(order);
1047 }
1048
1049 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1050 {
1051     ViewProperties props(url());
1052     props.setSortFoldersFirst(foldersFirst);
1053
1054     KFileItemModel* model = fileItemModel();
1055     model->setSortFoldersFirst(foldersFirst);
1056
1057     emit sortFoldersFirstChanged(foldersFirst);
1058 }
1059
1060 QPair<bool, QString> DolphinView::pasteInfo() const
1061 {
1062     return KonqOperations::pasteInfo(url());
1063 }
1064
1065 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1066 {
1067     m_tabsForFiles = tabsForFiles;
1068 }
1069
1070 bool DolphinView::isTabsForFilesEnabled() const
1071 {
1072     return m_tabsForFiles;
1073 }
1074
1075 bool DolphinView::itemsExpandable() const
1076 {
1077     return m_mode == DetailsView;
1078 }
1079
1080 void DolphinView::restoreState(QDataStream& stream)
1081 {
1082     // Restore the current item that had the keyboard focus
1083     stream >> m_currentItemUrl;
1084
1085     // Restore the view position
1086     stream >> m_restoredContentsPosition;
1087
1088     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1089     QSet<KUrl> urls;
1090     stream >> urls;
1091     fileItemModel()->restoreExpandedUrls(urls);
1092 }
1093
1094 void DolphinView::saveState(QDataStream& stream)
1095 {
1096     // Save the current item that has the keyboard focus
1097     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1098     if (currentIndex != -1) {
1099         KFileItem item = fileItemModel()->fileItem(currentIndex);
1100         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1101         KUrl currentItemUrl = item.url();
1102         stream << currentItemUrl;
1103     } else {
1104         stream << KUrl();
1105     }
1106
1107     // Save view position
1108     const qreal x = m_container->horizontalScrollBar()->value();
1109     const qreal y = m_container->verticalScrollBar()->value();
1110     stream << QPoint(x, y);
1111
1112     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1113     stream << fileItemModel()->expandedUrls();
1114 }
1115
1116 bool DolphinView::hasSelection() const
1117 {
1118     return m_container->controller()->selectionManager()->hasSelection();
1119 }
1120
1121 KFileItem DolphinView::rootItem() const
1122 {
1123     return m_dirLister->rootItem();
1124 }
1125
1126 void DolphinView::observeCreatedItem(const KUrl& url)
1127 {
1128     m_createdItemUrl = url;
1129     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
1130     //        this, SLOT(selectAndScrollToCreatedItem()));
1131 }
1132
1133 void DolphinView::selectAndScrollToCreatedItem()
1134 {
1135     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1136     if (dirIndex.isValid()) {
1137         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1138         QAbstractItemView* view = m_viewAccessor.itemView();
1139         if (view) {
1140             view->setCurrentIndex(proxyIndex);
1141         }
1142     }
1143
1144     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1145                this, SLOT(selectAndScrollToCreatedItem()));*/
1146     m_createdItemUrl = KUrl();
1147 }
1148
1149 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1150 {
1151     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1152         emit redirection(oldUrl, newUrl);
1153         m_url = newUrl; // #186947
1154     }
1155 }
1156
1157 void DolphinView::updateViewState()
1158 {
1159     if (m_currentItemUrl != KUrl()) {
1160         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1161         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1162         if (currentIndex != -1) {
1163             selectionManager->setCurrentItem(currentIndex);
1164         } else {
1165             selectionManager->setCurrentItem(0);
1166         }
1167         m_currentItemUrl = KUrl();
1168     }
1169
1170     if (!m_restoredContentsPosition.isNull()) {
1171         const int x = m_restoredContentsPosition.x();
1172         const int y = m_restoredContentsPosition.y();
1173         m_restoredContentsPosition = QPoint();
1174
1175         m_container->horizontalScrollBar()->setValue(x);
1176         m_container->verticalScrollBar()->setValue(y);
1177     }
1178
1179     if (!m_selectedUrls.isEmpty()) {
1180         clearSelection();
1181
1182         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1183         QSet<int> selectedItems = selectionManager->selectedItems();
1184         const KFileItemModel* model = fileItemModel();
1185
1186         foreach (const KUrl& url, m_selectedUrls) {
1187             const int index = model->index(url);
1188             if (index >= 0) {
1189                 selectedItems.insert(index);
1190             }
1191         }
1192
1193         selectionManager->setSelectedItems(selectedItems);
1194         m_selectedUrls.clear();
1195     }
1196 }
1197
1198 void DolphinView::hideToolTip()
1199 {
1200     if (GeneralSettings::showToolTips()) {
1201         m_toolTipManager->hideToolTip();
1202     }
1203 }
1204
1205 void DolphinView::showHoverInformation(const KFileItem& item)
1206 {
1207     emit requestItemInfo(item);
1208 }
1209
1210 void DolphinView::clearHoverInformation()
1211 {
1212     emit requestItemInfo(KFileItem());
1213 }
1214
1215 void DolphinView::slotDeleteFileFinished(KJob* job)
1216 {
1217     if (job->error() == 0) {
1218         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1219     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1220         emit errorMessage(job->errorString());
1221     }
1222 }
1223
1224 void DolphinView::slotDirListerStarted(const KUrl& url)
1225 {
1226     // Disable the writestate temporary until it can be determined in a fast way
1227     // in DolphinView::slotLoadingCompleted()
1228     if (m_isFolderWritable) {
1229         m_isFolderWritable = false;
1230         emit writeStateChanged(m_isFolderWritable);
1231     }
1232
1233     emit startedPathLoading(url);
1234 }
1235
1236 void DolphinView::slotLoadingCompleted()
1237 {
1238     // Update the view-state. This has to be done using a Qt::QueuedConnection
1239     // because the view might not be in its final state yet.
1240     QTimer::singleShot(0, this, SLOT(updateViewState()));
1241
1242     emit finishedPathLoading(url());
1243
1244     updateWritableState();
1245 }
1246
1247 void DolphinView::slotRefreshItems()
1248 {
1249     if (m_assureVisibleCurrentIndex) {
1250         m_assureVisibleCurrentIndex = false;
1251         //QAbstractItemView* view = m_viewAccessor.itemView();
1252         //if (view) {
1253         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1254         //}
1255     }
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 KFileItemModel* DolphinView::fileItemModel() const
1297 {
1298     return static_cast<KFileItemModel*>(m_container->controller()->model());
1299 }
1300
1301 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1302 {
1303     if (!url.isValid()) {
1304         const QString location(url.pathOrUrl());
1305         if (location.isEmpty()) {
1306             emit errorMessage(i18nc("@info:status", "The location is empty."));
1307         } else {
1308             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1309         }
1310         return;
1311     }
1312
1313     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1314 }
1315
1316 void DolphinView::applyViewProperties()
1317 {
1318     m_container->beginTransaction();
1319
1320     const ViewProperties props(url());
1321     KFileItemModel* model = fileItemModel();
1322
1323     const Mode mode = props.viewMode();
1324     if (m_mode != mode) {
1325         const Mode previousMode = m_mode;
1326         m_mode = mode;
1327
1328         // Changing the mode might result in changing
1329         // the zoom level. Remember the old zoom level so
1330         // that zoomLevelChanged() can get emitted.
1331         const int oldZoomLevel = m_container->zoomLevel();
1332
1333         switch (m_mode) {
1334         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1335         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1336         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1337         default: Q_ASSERT(false); break;
1338         }
1339
1340         emit modeChanged(m_mode, previousMode);
1341
1342         if (m_container->zoomLevel() != oldZoomLevel) {
1343             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1344         }
1345     }
1346
1347     const bool hiddenFilesShown = props.hiddenFilesShown();
1348     if (hiddenFilesShown != model->showHiddenFiles()) {
1349         model->setShowHiddenFiles(hiddenFilesShown);
1350         emit hiddenFilesShownChanged(hiddenFilesShown);
1351     }
1352
1353     const bool groupedSorting = props.groupedSorting();
1354     if (groupedSorting != model->groupedSorting()) {
1355         model->setGroupedSorting(groupedSorting);
1356         emit groupedSortingChanged(groupedSorting);
1357     }
1358
1359     const QByteArray sortRole = props.sortRole();
1360     if (sortRole != model->sortRole()) {
1361         model->setSortRole(sortRole);
1362         emit sortRoleChanged(sortRole);
1363     }
1364
1365     const Qt::SortOrder sortOrder = props.sortOrder();
1366     if (sortOrder != model->sortOrder()) {
1367         model->setSortOrder(sortOrder);
1368         emit sortOrderChanged(sortOrder);
1369     }
1370
1371     const bool sortFoldersFirst = props.sortFoldersFirst();
1372     if (sortFoldersFirst != model->sortFoldersFirst()) {
1373         model->setSortFoldersFirst(sortFoldersFirst);
1374         emit sortFoldersFirstChanged(sortFoldersFirst);
1375     }
1376
1377     const QList<QByteArray> visibleRoles = props.visibleRoles();
1378     if (visibleRoles != m_visibleRoles) {
1379         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1380         m_visibleRoles = visibleRoles;
1381         m_container->setVisibleRoles(visibleRoles);
1382         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1383     }
1384
1385     const bool previewsShown = props.previewsShown();
1386     if (previewsShown != m_container->previewsShown()) {
1387         const int oldZoomLevel = zoomLevel();
1388
1389         m_container->setPreviewsShown(previewsShown);
1390         emit previewsShownChanged(previewsShown);
1391
1392         // Changing the preview-state might result in a changed zoom-level
1393         if (oldZoomLevel != zoomLevel()) {
1394             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1395         }
1396     }
1397
1398     KItemListView* itemListView = m_container->controller()->view();
1399     if (itemListView->isHeaderVisible()) {
1400         KItemListHeader* header = itemListView->header();
1401         const QList<int> headerColumnWidths = props.headerColumnWidths();
1402         const int rolesCount = m_visibleRoles.count();
1403         if (headerColumnWidths.count() == rolesCount) {
1404             header->setAutomaticColumnResizing(false);
1405
1406             QHash<QByteArray, qreal> columnWidths;
1407             for (int i = 0; i < rolesCount; ++i) {
1408                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1409             }
1410             header->setColumnWidths(columnWidths);
1411         } else {
1412             header->setAutomaticColumnResizing(true);
1413         }
1414     }
1415
1416     m_container->endTransaction();
1417 }
1418
1419 void DolphinView::pasteToUrl(const KUrl& url)
1420 {
1421     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1422     KonqOperations::doPaste(this, url);
1423 }
1424
1425 KUrl::List DolphinView::simplifiedSelectedUrls() const
1426 {
1427     KUrl::List urls;
1428
1429     const KFileItemList items = selectedItems();
1430     foreach (const KFileItem &item, items) {
1431         urls.append(item.url());
1432     }
1433
1434     if (itemsExpandable()) {
1435         // TODO: Check if we still need KDirModel for this in KDE 5.0
1436         urls = KDirModel::simplifiedUrlList(urls);
1437     }
1438
1439     return urls;
1440 }
1441
1442 QMimeData* DolphinView::selectionMimeData() const
1443 {
1444     const KFileItemModel* model = fileItemModel();
1445     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1446     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1447
1448     return model->createMimeData(selectedIndexes);
1449 }
1450
1451 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1452 {
1453     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1454     KUrl::List destUrls;
1455     foreach (const KUrl& source, sourceUrls) {
1456         KUrl destination(url().url() + "/" + source.fileName());
1457         destUrls << destination;
1458     }
1459     markUrlsAsSelected(destUrls);
1460 }
1461
1462 void DolphinView::updateWritableState()
1463 {
1464     const bool wasFolderWritable = m_isFolderWritable;
1465     m_isFolderWritable = true;
1466
1467     const KFileItem item = m_dirLister->rootItem();
1468     if (!item.isNull()) {
1469         KFileItemListProperties capabilities(KFileItemList() << item);
1470         m_isFolderWritable = capabilities.supportsWriting();
1471     }
1472     if (m_isFolderWritable != wasFolderWritable) {
1473         emit writeStateChanged(m_isFolderWritable);
1474     }
1475 }
1476
1477 #include "dolphinview.moc"