src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <config-nepomuk.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QBoxLayout>
  28 #include <QClipboard>
  29 #include <QDropEvent>
  30 #include <QGraphicsSceneDragDropEvent>
  31 #include <QKeyEvent>
  32 #include <QItemSelection>
  33 #include <QTimer>
  34 #include <QScrollBar>
  35
  36 #include <KActionCollection>
  37 #include <KColorScheme>
  38 #include <KDirModel>
  39 #include <KIconEffect>
  40 #include <KFileItem>
  41 #include <KFileItemListProperties>
  42 #include <KLocale>
  43 #include <kitemviews/kfileitemmodel.h>
  44 #include <kitemviews/kfileitemlistview.h>
  45 #include <kitemviews/kitemlistcontainer.h>
  46 #include <kitemviews/kitemlistheader.h>
  47 #include <kitemviews/kitemlistselectionmanager.h>
  48 #include <kitemviews/kitemlistview.h>
  49 #include <kitemviews/kitemlistcontroller.h>
  50 #include <KIO/DeleteJob>
  51 #include <KIO/JobUiDelegate>
  52 #include <KIO/NetAccess>
  53 #include <KIO/PreviewJob>
  54 #include <KJob>
  55 #include <KMenu>
  56 #include <KMessageBox>
  57 #include <konq_fileitemcapabilities.h>
  58 #include <konq_operations.h>
  59 #include <konqmimedata.h>
  60 #include <KToggleAction>
  61 #include <KUrl>
  62
  63 #include "dolphinnewfilemenuobserver.h"
  64 #include "dolphin_detailsmodesettings.h"
  65 #include "dolphin_generalsettings.h"
  66 #include "dolphinitemlistview.h"
  67 #include "draganddrophelper.h"
  68 #include "renamedialog.h"
  69 #include "versioncontrol/versioncontrolobserver.h"
  70 #include "viewmodecontroller.h"
  71 #include "viewproperties.h"
  72 #include "views/tooltips/tooltipmanager.h"
  73 #include "zoomlevelinfo.h"
  74
  75 #ifdef HAVE_NEPOMUK
  76     #include <Nepomuk/ResourceManager>
  77 #endif
  78
  79 namespace {
  80     const int MaxModeEnum = DolphinView::CompactView;
  81 };
  82
  83 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  84     QWidget(parent),
  85     m_active(true),
  86     m_tabsForFiles(false),
  87     m_assureVisibleCurrentIndex(false),
  88     m_isFolderWritable(true),
  89     m_dragging(false),
  90     m_url(url),
  91     m_viewPropertiesContext(),
  92     m_mode(DolphinView::IconsView),
  93     m_visibleRoles(),
  94     m_topLayout(0),
  95     m_model(0),
  96     m_view(0),
  97     m_container(0),
  98     m_toolTipManager(0),
  99     m_selectionChangedTimer(0),
 100     m_currentItemUrl(),
 101     m_scrollToCurrentItem(false),
 102     m_restoredContentsPosition(),
 103     m_selectedUrls(),
 104     m_versionControlObserver(0)
 105 {
 106     m_topLayout = new QVBoxLayout(this);
 107     m_topLayout->setSpacing(0);
 108     m_topLayout->setMargin(0);
 109
 110     // When a new item has been created by the "Create New..." menu, the item should
 111     // get selected and it must be assured that the item will get visible. As the
 112     // creation is done asynchronously, several signals must be checked:
 113     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 114             this, SLOT(observeCreatedItem(KUrl)));
 115
 116     m_selectionChangedTimer = new QTimer(this);
 117     m_selectionChangedTimer->setSingleShot(true);
 118     m_selectionChangedTimer->setInterval(300);
 119     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 120             this, SLOT(emitSelectionChangedSignal()));
 121
 122     m_model = new KFileItemModel(this);
 123     m_view = new DolphinItemListView();
 124     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 125     m_view->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     // The EnlargeSmallPreviews setting can only be changed after the model
 133     // has been set in the view by KItemListController.
 134     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 135
 136     m_container = new KItemListContainer(controller, this);
 137     m_container->installEventFilter(this);
 138     setFocusProxy(m_container);
 139     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 140     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 141
 142     controller->setSelectionBehavior(KItemListController::MultiSelection);
 143     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 144     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 145     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 146     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 147     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 148     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 149     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 150     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 151     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 152     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 153     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 154
 155     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 156     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 157     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 158     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 159     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 160             this, SLOT(slotItemsChanged()));
 161     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 162     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 163     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 164     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 165     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 166     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 167
 168     m_view->installEventFilter(this);
 169     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 170             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 171     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 172             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 173     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 174             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 175     connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 176             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 177     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 178             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 179
 180     KItemListSelectionManager* selectionManager = controller->selectionManager();
 181     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 182             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 183
 184     m_toolTipManager = new ToolTipManager(this);
 185
 186     m_versionControlObserver = new VersionControlObserver(this);
 187     m_versionControlObserver->setModel(m_model);
 188     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 189     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 190     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 191
 192     applyViewProperties();
 193     m_topLayout->addWidget(m_container);
 194
 195     loadDirectory(url);
 196 }
 197
 198 DolphinView::~DolphinView()
 199 {
 200 }
 201
 202 KUrl DolphinView::url() const
 203 {
 204     return m_url;
 205 }
 206
 207 void DolphinView::setActive(bool active)
 208 {
 209     if (active == m_active) {
 210         return;
 211     }
 212
 213     m_active = active;
 214
 215     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 216     if (!active) {
 217         color.setAlpha(150);
 218     }
 219
 220     QWidget* viewport = m_container->viewport();
 221     if (viewport) {
 222         QPalette palette;
 223         palette.setColor(viewport->backgroundRole(), color);
 224         viewport->setPalette(palette);
 225     }
 226
 227     update();
 228
 229     if (active) {
 230         m_container->setFocus();
 231         emit activated();
 232         emit writeStateChanged(m_isFolderWritable);
 233     }
 234 }
 235
 236 bool DolphinView::isActive() const
 237 {
 238     return m_active;
 239 }
 240
 241 void DolphinView::setMode(Mode mode)
 242 {
 243     if (mode != m_mode) {
 244         ViewProperties props(viewPropertiesUrl());
 245         props.setViewMode(mode);
 246         props.save();
 247
 248         applyViewProperties();
 249     }
 250 }
 251
 252 DolphinView::Mode DolphinView::mode() const
 253 {
 254     return m_mode;
 255 }
 256
 257 void DolphinView::setPreviewsShown(bool show)
 258 {
 259     if (previewsShown() == show) {
 260         return;
 261     }
 262
 263     ViewProperties props(viewPropertiesUrl());
 264     props.setPreviewsShown(show);
 265
 266     const int oldZoomLevel = m_view->zoomLevel();
 267     m_view->setPreviewsShown(show);
 268     emit previewsShownChanged(show);
 269
 270     const int newZoomLevel = m_view->zoomLevel();
 271     if (newZoomLevel != oldZoomLevel) {
 272         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 273     }
 274 }
 275
 276 bool DolphinView::previewsShown() const
 277 {
 278     return m_view->previewsShown();
 279 }
 280
 281 void DolphinView::setHiddenFilesShown(bool show)
 282 {
 283     if (m_model->showHiddenFiles() == show) {
 284         return;
 285     }
 286
 287     const KFileItemList itemList = selectedItems();
 288     m_selectedUrls.clear();
 289     m_selectedUrls = itemList.urlList();
 290
 291     ViewProperties props(viewPropertiesUrl());
 292     props.setHiddenFilesShown(show);
 293
 294     m_model->setShowHiddenFiles(show);
 295     emit hiddenFilesShownChanged(show);
 296 }
 297
 298 bool DolphinView::hiddenFilesShown() const
 299 {
 300     return m_model->showHiddenFiles();
 301 }
 302
 303 void DolphinView::setGroupedSorting(bool grouped)
 304 {
 305     if (grouped == groupedSorting()) {
 306         return;
 307     }
 308
 309     ViewProperties props(viewPropertiesUrl());
 310     props.setGroupedSorting(grouped);
 311     props.save();
 312
 313     m_container->controller()->model()->setGroupedSorting(grouped);
 314
 315     emit groupedSortingChanged(grouped);
 316 }
 317
 318 bool DolphinView::groupedSorting() const
 319 {
 320     return m_model->groupedSorting();
 321 }
 322
 323 KFileItemList DolphinView::items() const
 324 {
 325     KFileItemList list;
 326     const int itemCount = m_model->count();
 327     list.reserve(itemCount);
 328
 329     for (int i = 0; i < itemCount; ++i) {
 330         list.append(m_model->fileItem(i));
 331     }
 332
 333     return list;
 334 }
 335
 336 int DolphinView::itemsCount() const
 337 {
 338     return m_model->count();
 339 }
 340
 341 KFileItemList DolphinView::selectedItems() const
 342 {
 343     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 344     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 345
 346     KFileItemList selectedItems;
 347     QSetIterator<int> it(selectedIndexes);
 348     while (it.hasNext()) {
 349         const int index = it.next();
 350         selectedItems.append(m_model->fileItem(index));
 351     }
 352     return selectedItems;
 353 }
 354
 355 int DolphinView::selectedItemsCount() const
 356 {
 357     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 358     return selectionManager->selectedItems().count();
 359 }
 360
 361 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 362 {
 363     m_selectedUrls = urls;
 364 }
 365
 366 void DolphinView::markUrlAsCurrent(const KUrl& url)
 367 {
 368     m_currentItemUrl = url;
 369     m_scrollToCurrentItem = true;
 370 }
 371
 372 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 373 {
 374     const KItemListSelectionManager::SelectionMode mode = enabled
 375                                                         ? KItemListSelectionManager::Select
 376                                                         : KItemListSelectionManager::Deselect;
 377     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 378
 379     for (int index = 0; index < m_model->count(); index++) {
 380         const KFileItem item = m_model->fileItem(index);
 381         if (pattern.exactMatch(item.text())) {
 382             // An alternative approach would be to store the matching items in a QSet<int> and
 383             // select them in one go after the loop, but we'd need a new function
 384             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 385             // for that.
 386             selectionManager->setSelected(index, 1, mode);
 387         }
 388     }
 389 }
 390
 391 void DolphinView::setZoomLevel(int level)
 392 {
 393     const int oldZoomLevel = zoomLevel();
 394     m_view->setZoomLevel(level);
 395     if (zoomLevel() != oldZoomLevel) {
 396         hideToolTip();
 397         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 398     }
 399 }
 400
 401 int DolphinView::zoomLevel() const
 402 {
 403     return m_view->zoomLevel();
 404 }
 405
 406 void DolphinView::setSortRole(const QByteArray& role)
 407 {
 408     if (role != sortRole()) {
 409         updateSortRole(role);
 410     }
 411 }
 412
 413 QByteArray DolphinView::sortRole() const
 414 {
 415     const KItemModelBase* model = m_container->controller()->model();
 416     return model->sortRole();
 417 }
 418
 419 void DolphinView::setSortOrder(Qt::SortOrder order)
 420 {
 421     if (sortOrder() != order) {
 422         updateSortOrder(order);
 423     }
 424 }
 425
 426 Qt::SortOrder DolphinView::sortOrder() const
 427 {
 428     return m_model->sortOrder();
 429 }
 430
 431 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 432 {
 433     if (sortFoldersFirst() != foldersFirst) {
 434         updateSortFoldersFirst(foldersFirst);
 435     }
 436 }
 437
 438 bool DolphinView::sortFoldersFirst() const
 439 {
 440     return m_model->sortDirectoriesFirst();
 441 }
 442
 443 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 444 {
 445     const QList<QByteArray> previousRoles = roles;
 446
 447     ViewProperties props(viewPropertiesUrl());
 448     props.setVisibleRoles(roles);
 449
 450     m_visibleRoles = roles;
 451     m_view->setVisibleRoles(roles);
 452
 453     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 454 }
 455
 456 QList<QByteArray> DolphinView::visibleRoles() const
 457 {
 458     return m_visibleRoles;
 459 }
 460
 461 void DolphinView::reload()
 462 {
 463     QByteArray viewState;
 464     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 465     saveState(saveStream);
 466
 467     const KFileItemList itemList = selectedItems();
 468     m_selectedUrls.clear();
 469     m_selectedUrls = itemList.urlList();
 470
 471     setUrl(url());
 472     loadDirectory(url(), true);
 473
 474     QDataStream restoreStream(viewState);
 475     restoreState(restoreStream);
 476 }
 477
 478 void DolphinView::stopLoading()
 479 {
 480     m_model->cancelDirectoryLoading();
 481 }
 482
 483 void DolphinView::readSettings()
 484 {
 485     const int oldZoomLevel = m_view->zoomLevel();
 486
 487     GeneralSettings::self()->readConfig();
 488     m_view->readSettings();
 489     applyViewProperties();
 490
 491     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 492     m_container->controller()->setAutoActivationDelay(delay);
 493
 494     const int newZoomLevel = m_view->zoomLevel();
 495     if (newZoomLevel != oldZoomLevel) {
 496         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 497     }
 498 }
 499
 500 void DolphinView::writeSettings()
 501 {
 502     GeneralSettings::self()->writeConfig();
 503     m_view->writeSettings();
 504 }
 505
 506 void DolphinView::setNameFilter(const QString& nameFilter)
 507 {
 508     m_model->setNameFilter(nameFilter);
 509 }
 510
 511 QString DolphinView::nameFilter() const
 512 {
 513     return m_model->nameFilter();
 514 }
 515
 516 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 517 {
 518     return m_model->setMimeTypeFilters(filters);
 519 }
 520
 521 QStringList DolphinView::mimeTypeFilters() const
 522 {
 523     return m_model->mimeTypeFilters();
 524 }
 525
 526 QString DolphinView::statusBarText() const
 527 {
 528     QString summary;
 529     QString foldersText;
 530     QString filesText;
 531
 532     int folderCount = 0;
 533     int fileCount = 0;
 534     KIO::filesize_t totalFileSize = 0;
 535
 536     if (m_container->controller()->selectionManager()->hasSelection()) {
 537         // Give a summary of the status of the selected files
 538         const KFileItemList list = selectedItems();
 539         foreach (const KFileItem& item, list) {
 540             if (item.isDir()) {
 541                 ++folderCount;
 542             } else {
 543                 ++fileCount;
 544                 totalFileSize += item.size();
 545             }
 546         }
 547
 548         if (folderCount + fileCount == 1) {
 549             // If only one item is selected, show the filename
 550             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 551         } else {
 552             // At least 2 items are selected
 553             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 554             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 555         }
 556     } else {
 557         calculateItemCount(fileCount, folderCount, totalFileSize);
 558         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 559         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 560     }
 561
 562     if (fileCount > 0 && folderCount > 0) {
 563         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 564                         foldersText, filesText,
 565                         KGlobal::locale()->formatByteSize(totalFileSize));
 566     } else if (fileCount > 0) {
 567         summary = i18nc("@info:status files (size)", "%1 (%2)",
 568                         filesText,
 569                         KGlobal::locale()->formatByteSize(totalFileSize));
 570     } else if (folderCount > 0) {
 571         summary = foldersText;
 572     } else {
 573         summary = i18nc("@info:status", "0 Folders, 0 Files");
 574     }
 575
 576     return summary;
 577 }
 578
 579 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 580 {
 581     QList<QAction*> actions;
 582
 583     if (items.isEmpty()) {
 584         const KFileItem item = m_model->rootItem();
 585         if (!item.isNull()) {
 586             actions = m_versionControlObserver->actions(KFileItemList() << item);
 587         }
 588     } else {
 589         actions = m_versionControlObserver->actions(items);
 590     }
 591
 592     return actions;
 593 }
 594
 595 void DolphinView::setUrl(const KUrl& url)
 596 {
 597     if (url == m_url) {
 598         return;
 599     }
 600
 601     emit urlAboutToBeChanged(url);
 602     m_url = url;
 603
 604     hideToolTip();
 605
 606     // It is important to clear the items from the model before
 607     // applying the view properties, otherwise expensive operations
 608     // might be done on the existing items although they get cleared
 609     // anyhow afterwards by loadDirectory().
 610     m_model->clear();
 611     applyViewProperties();
 612     loadDirectory(url);
 613
 614     emit urlChanged(url);
 615 }
 616
 617 void DolphinView::selectAll()
 618 {
 619     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 620     selectionManager->setSelected(0, m_model->count());
 621 }
 622
 623 void DolphinView::invertSelection()
 624 {
 625     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 626     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 627 }
 628
 629 void DolphinView::clearSelection()
 630 {
 631     m_container->controller()->selectionManager()->clearSelection();
 632 }
 633
 634 void DolphinView::renameSelectedItems()
 635 {
 636     const KFileItemList items = selectedItems();
 637      if (items.isEmpty()) {
 638          return;
 639      }
 640
 641      if (items.count() == 1 && GeneralSettings::renameInline()) {
 642          const int index = m_model->index(items.first());
 643          m_view->editRole(index, "text");
 644      } else {
 645          RenameDialog* dialog = new RenameDialog(this, items);
 646          dialog->setAttribute(Qt::WA_DeleteOnClose);
 647          dialog->show();
 648          dialog->raise();
 649          dialog->activateWindow();
 650      }
 651
 652      // Assure that the current index remains visible when KFileItemModel
 653      // will notify the view about changed items (which might result in
 654      // a changed sorting).
 655      m_assureVisibleCurrentIndex = true;
 656 }
 657
 658 void DolphinView::trashSelectedItems()
 659 {
 660     const KUrl::List list = simplifiedSelectedUrls();
 661     KonqOperations::del(this, KonqOperations::TRASH, list);
 662 }
 663
 664 void DolphinView::deleteSelectedItems()
 665 {
 666     const KUrl::List list = simplifiedSelectedUrls();
 667     const bool del = KonqOperations::askDeleteConfirmation(list,
 668                      KonqOperations::DEL,
 669                      KonqOperations::DEFAULT_CONFIRMATION,
 670                      this);
 671
 672     if (del) {
 673         KIO::Job* job = KIO::del(list);
 674         if (job->ui()) {
 675             job->ui()->setWindow(this);
 676         }
 677         connect(job, SIGNAL(result(KJob*)),
 678                 this, SLOT(slotDeleteFileFinished(KJob*)));
 679     }
 680 }
 681
 682 void DolphinView::cutSelectedItems()
 683 {
 684     QMimeData* mimeData = selectionMimeData();
 685     KonqMimeData::addIsCutSelection(mimeData, true);
 686     QApplication::clipboard()->setMimeData(mimeData);
 687 }
 688
 689 void DolphinView::copySelectedItems()
 690 {
 691     QMimeData* mimeData = selectionMimeData();
 692     QApplication::clipboard()->setMimeData(mimeData);
 693 }
 694
 695 void DolphinView::paste()
 696 {
 697     pasteToUrl(url());
 698 }
 699
 700 void DolphinView::pasteIntoFolder()
 701 {
 702     const KFileItemList items = selectedItems();
 703     if ((items.count() == 1) && items.first().isDir()) {
 704         pasteToUrl(items.first().url());
 705     }
 706 }
 707
 708 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 709 {
 710     switch (event->type()) {
 711     case QEvent::FocusIn:
 712         if (watched == m_container) {
 713             setActive(true);
 714         }
 715         break;
 716
 717     case QEvent::GraphicsSceneDragEnter:
 718         if (watched == m_view) {
 719             m_dragging = true;
 720         }
 721         break;
 722
 723     case QEvent::GraphicsSceneDragLeave:
 724         if (watched == m_view) {
 725             m_dragging = false;
 726         }
 727         break;
 728
 729     case QEvent::GraphicsSceneDrop:
 730         if (watched == m_view) {
 731             m_dragging = false;
 732         }
 733     default:
 734         break;
 735     }
 736
 737     return QWidget::eventFilter(watched, event);
 738 }
 739
 740 void DolphinView::wheelEvent(QWheelEvent* event)
 741 {
 742     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 743         const int numDegrees = event->delta() / 8;
 744         const int numSteps = numDegrees / 15;
 745
 746         setZoomLevel(zoomLevel() + numSteps);
 747         event->accept();
 748     } else {
 749         event->ignore();
 750     }
 751 }
 752
 753 void DolphinView::hideEvent(QHideEvent* event)
 754 {
 755     hideToolTip();
 756     QWidget::hideEvent(event);
 757 }
 758
 759 bool DolphinView::event(QEvent* event)
 760 {
 761     /* See Bug 297355
 762      * Dolphin leaves file preview tooltips open even when is not visible.
 763      *
 764      * Hide tool-tip when Dolphin loses focus.
 765      */
 766     if (event->type() == QEvent::WindowDeactivate) {
 767         hideToolTip();
 768     }
 769
 770     return QWidget::event(event);
 771 }
 772
 773 void DolphinView::activate()
 774 {
 775     setActive(true);
 776 }
 777
 778 void DolphinView::slotItemActivated(int index)
 779 {
 780     const KFileItem item = m_model->fileItem(index);
 781     if (!item.isNull()) {
 782         emit itemActivated(item);
 783     }
 784 }
 785
 786 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 787 {
 788     Q_ASSERT(indexes.count() >= 2);
 789
 790     KFileItemList items;
 791
 792     QSetIterator<int> it(indexes);
 793     while (it.hasNext()) {
 794         const int index = it.next();
 795         items.append(m_model->fileItem(index));
 796     }
 797
 798     if (items.count() > 5) {
 799         QString question = QString("Are you sure you want to open %1 items?").arg(items.count());
 800         const int answer = KMessageBox::warningYesNo(this, question);
 801         if (answer != KMessageBox::Yes) {
 802             return;
 803         }
 804     }
 805
 806     foreach (const KFileItem& item, items) {
 807         if (item.isDir()) {
 808             emit tabRequested(item.url());
 809         } else {
 810             emit itemActivated(item);
 811         }
 812     }
 813 }
 814
 815 void DolphinView::slotItemMiddleClicked(int index)
 816 {
 817     const KFileItem item = m_model->fileItem(index);
 818     if (item.isDir() || isTabsForFilesEnabled()) {
 819         emit tabRequested(item.url());
 820     }
 821 }
 822
 823 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 824 {
 825     const KFileItem item = m_model->fileItem(index);
 826     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 827 }
 828
 829 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 830 {
 831     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 832 }
 833
 834 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 835 {
 836     ViewProperties props(viewPropertiesUrl());
 837
 838     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 839
 840     KItemListView* view = m_container->controller()->view();
 841     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 842
 843     bool nepomukRunning = false;
 844     bool indexingEnabled = false;
 845 #ifdef HAVE_NEPOMUK
 846     nepomukRunning = (Nepomuk::ResourceManager::instance()->initialized());
 847     if (nepomukRunning) {
 848         KConfig config("nepomukserverrc");
 849         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", false);
 850     }
 851 #endif
 852
 853     QString groupName;
 854     QMenu* groupMenu = 0;
 855
 856     // Add all roles to the menu that can be shown or hidden by the user
 857     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 858     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 859         if (info.role == "text") {
 860             // It should not be possible to hide the "text" role
 861             continue;
 862         }
 863
 864         const QString text = m_model->roleDescription(info.role);
 865         QAction* action = 0;
 866         if (info.group.isEmpty()) {
 867             action = menu->addAction(text);
 868         } else {
 869             if (!groupMenu || info.group != groupName) {
 870                 groupName = info.group;
 871                 groupMenu = menu->addMenu(groupName);
 872             }
 873
 874             action = groupMenu->addAction(text);
 875         }
 876
 877         action->setCheckable(true);
 878         action->setChecked(visibleRolesSet.contains(info.role));
 879         action->setData(info.role);
 880
 881         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 882                             (info.requiresNepomuk && nepomukRunning) ||
 883                             (info.requiresIndexer && indexingEnabled);
 884         action->setEnabled(enable);
 885     }
 886
 887     menu->addSeparator();
 888
 889     QActionGroup* widthsGroup = new QActionGroup(menu);
 890     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 891
 892     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 893     autoAdjustWidthsAction->setCheckable(true);
 894     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 895     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 896
 897     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 898     customWidthsAction->setCheckable(true);
 899     customWidthsAction->setChecked(!autoColumnWidths);
 900     customWidthsAction->setActionGroup(widthsGroup);
 901
 902     QAction* action = menu->exec(pos.toPoint());
 903     if (menu && action) {
 904         KItemListHeader* header = view->header();
 905
 906         if (action == autoAdjustWidthsAction) {
 907             // Clear the column-widths from the viewproperties and turn on
 908             // the automatic resizing of the columns
 909             props.setHeaderColumnWidths(QList<int>());
 910             header->setAutomaticColumnResizing(true);
 911         } else if (action == customWidthsAction) {
 912             // Apply the current column-widths as custom column-widths and turn
 913             // off the automatic resizing of the columns
 914             QList<int> columnWidths;
 915             foreach (const QByteArray& role, view->visibleRoles()) {
 916                 columnWidths.append(header->columnWidth(role));
 917             }
 918             props.setHeaderColumnWidths(columnWidths);
 919             header->setAutomaticColumnResizing(false);
 920         } else {
 921             // Show or hide the selected role
 922             const QByteArray selectedRole = action->data().toByteArray();
 923
 924             QList<QByteArray> visibleRoles = view->visibleRoles();
 925             if (action->isChecked()) {
 926                 visibleRoles.append(selectedRole);
 927             } else {
 928                 visibleRoles.removeOne(selectedRole);
 929             }
 930
 931             view->setVisibleRoles(visibleRoles);
 932             props.setVisibleRoles(visibleRoles);
 933
 934             QList<int> columnWidths;
 935             if (!header->automaticColumnResizing()) {
 936                 foreach (const QByteArray& role, view->visibleRoles()) {
 937                     columnWidths.append(header->columnWidth(role));
 938                 }
 939             }
 940             props.setHeaderColumnWidths(columnWidths);
 941         }
 942     }
 943
 944     delete menu;
 945 }
 946
 947 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 948 {
 949     Q_UNUSED(previous);
 950
 951     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 952
 953     ViewProperties props(viewPropertiesUrl());
 954     QList<int> columnWidths = props.headerColumnWidths();
 955     if (columnWidths.count() != visibleRoles.count()) {
 956         columnWidths.clear();
 957         columnWidths.reserve(visibleRoles.count());
 958         const KItemListHeader* header = m_view->header();
 959         foreach (const QByteArray& role, visibleRoles) {
 960             const int width = header->columnWidth(role);
 961             columnWidths.append(width);
 962         }
 963     }
 964
 965     const int roleIndex = visibleRoles.indexOf(role);
 966     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 967     columnWidths[roleIndex] = current;
 968
 969     props.setHeaderColumnWidths(columnWidths);
 970 }
 971
 972 void DolphinView::slotItemHovered(int index)
 973 {
 974     const KFileItem item = m_model->fileItem(index);
 975
 976     if (GeneralSettings::showToolTips() && !m_dragging) {
 977         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 978         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 979         itemRect.moveTo(pos);
 980
 981         m_toolTipManager->showToolTip(item, itemRect);
 982     }
 983
 984     emit requestItemInfo(item);
 985 }
 986
 987 void DolphinView::slotItemUnhovered(int index)
 988 {
 989     Q_UNUSED(index);
 990     hideToolTip();
 991     emit requestItemInfo(KFileItem());
 992 }
 993
 994 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 995 {
 996     KUrl destUrl;
 997     KFileItem destItem = m_model->fileItem(index);
 998     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
 999         // Use the URL of the view as drop target if the item is no directory
1000         // or desktop-file
1001         destItem = m_model->rootItem();
1002         destUrl = url();
1003     } else {
1004         // The item represents a directory or desktop-file
1005         destUrl = destItem.url();
1006     }
1007
1008     QDropEvent dropEvent(event->pos().toPoint(),
1009                          event->possibleActions(),
1010                          event->mimeData(),
1011                          event->buttons(),
1012                          event->modifiers());
1013
1014     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
1015     if (!error.isEmpty()) {
1016         emit errorMessage(error);
1017     }
1018
1019     if (destUrl == url()) {
1020         // Mark the dropped urls as selected.
1021         markPastedUrlsAsSelected(event->mimeData());
1022     }
1023 }
1024
1025 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1026 {
1027     if (previous != 0) {
1028         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1029         m_versionControlObserver->setModel(0);
1030     }
1031
1032     if (current) {
1033         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1034         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1035
1036         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1037         m_versionControlObserver->setModel(fileItemModel);
1038     }
1039 }
1040
1041 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1042 {
1043     hideToolTip();
1044
1045     if (itemIndex < 0) {
1046         // Trigger the history navigation only when clicking on the viewport:
1047         // Above an item the XButtons provide a simple way to select items in
1048         // the singleClick mode.
1049         if (buttons & Qt::XButton1) {
1050             emit goBackRequested();
1051         } else if (buttons & Qt::XButton2) {
1052             emit goForwardRequested();
1053         }
1054     }
1055 }
1056
1057 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1058 {
1059     const int currentCount = current.count();
1060     const int previousCount = previous.count();
1061     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1062                                        (currentCount >  0 && previousCount == 0);
1063
1064     // If nothing has been selected before and something got selected (or if something
1065     // was selected before and now nothing is selected) the selectionChangedSignal must
1066     // be emitted asynchronously as fast as possible to update the edit-actions.
1067     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1068     m_selectionChangedTimer->start();
1069 }
1070
1071 void DolphinView::emitSelectionChangedSignal()
1072 {
1073     m_selectionChangedTimer->stop();
1074     emit selectionChanged(selectedItems());
1075 }
1076
1077 void DolphinView::updateSortRole(const QByteArray& role)
1078 {
1079     ViewProperties props(viewPropertiesUrl());
1080     props.setSortRole(role);
1081
1082     KItemModelBase* model = m_container->controller()->model();
1083     model->setSortRole(role);
1084
1085     emit sortRoleChanged(role);
1086 }
1087
1088 void DolphinView::updateSortOrder(Qt::SortOrder order)
1089 {
1090     ViewProperties props(viewPropertiesUrl());
1091     props.setSortOrder(order);
1092
1093     m_model->setSortOrder(order);
1094
1095     emit sortOrderChanged(order);
1096 }
1097
1098 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1099 {
1100     ViewProperties props(viewPropertiesUrl());
1101     props.setSortFoldersFirst(foldersFirst);
1102
1103     m_model->setSortDirectoriesFirst(foldersFirst);
1104
1105     emit sortFoldersFirstChanged(foldersFirst);
1106 }
1107
1108 QPair<bool, QString> DolphinView::pasteInfo() const
1109 {
1110     return KonqOperations::pasteInfo(url());
1111 }
1112
1113 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1114 {
1115     m_tabsForFiles = tabsForFiles;
1116 }
1117
1118 bool DolphinView::isTabsForFilesEnabled() const
1119 {
1120     return m_tabsForFiles;
1121 }
1122
1123 bool DolphinView::itemsExpandable() const
1124 {
1125     return m_mode == DetailsView;
1126 }
1127
1128 void DolphinView::restoreState(QDataStream& stream)
1129 {
1130     // Restore the current item that had the keyboard focus
1131     stream >> m_currentItemUrl;
1132
1133     // Restore the view position
1134     stream >> m_restoredContentsPosition;
1135
1136     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1137     QSet<KUrl> urls;
1138     stream >> urls;
1139     m_model->restoreExpandedDirectories(urls);
1140 }
1141
1142 void DolphinView::saveState(QDataStream& stream)
1143 {
1144     // Save the current item that has the keyboard focus
1145     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1146     if (currentIndex != -1) {
1147         KFileItem item = m_model->fileItem(currentIndex);
1148         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1149         KUrl currentItemUrl = item.url();
1150         stream << currentItemUrl;
1151     } else {
1152         stream << KUrl();
1153     }
1154
1155     // Save view position
1156     const qreal x = m_container->horizontalScrollBar()->value();
1157     const qreal y = m_container->verticalScrollBar()->value();
1158     stream << QPoint(x, y);
1159
1160     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1161     stream << m_model->expandedDirectories();
1162 }
1163
1164 KFileItem DolphinView::rootItem() const
1165 {
1166     return m_model->rootItem();
1167 }
1168
1169 void DolphinView::setViewPropertiesContext(const QString& context)
1170 {
1171     m_viewPropertiesContext = context;
1172 }
1173
1174 QString DolphinView::viewPropertiesContext() const
1175 {
1176     return m_viewPropertiesContext;
1177 }
1178
1179 void DolphinView::observeCreatedItem(const KUrl& url)
1180 {
1181     markUrlAsCurrent(url);
1182     markUrlsAsSelected(QList<KUrl>() << url);
1183 }
1184
1185 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1186 {
1187     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1188         emit redirection(oldUrl, newUrl);
1189         m_url = newUrl; // #186947
1190     }
1191 }
1192
1193 void DolphinView::updateViewState()
1194 {
1195     if (m_currentItemUrl != KUrl()) {
1196         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1197         const int currentIndex = m_model->index(m_currentItemUrl);
1198         if (currentIndex != -1) {
1199             selectionManager->setCurrentItem(currentIndex);
1200
1201             // scroll to current item and reset the state
1202             if (m_scrollToCurrentItem) {
1203                 m_view->scrollToItem(currentIndex);
1204                 m_scrollToCurrentItem = false;
1205             }
1206         } else {
1207             selectionManager->setCurrentItem(0);
1208         }
1209         m_currentItemUrl = KUrl();
1210     }
1211
1212     if (!m_restoredContentsPosition.isNull()) {
1213         const int x = m_restoredContentsPosition.x();
1214         const int y = m_restoredContentsPosition.y();
1215         m_restoredContentsPosition = QPoint();
1216
1217         m_container->horizontalScrollBar()->setValue(x);
1218         m_container->verticalScrollBar()->setValue(y);
1219     }
1220
1221     if (!m_selectedUrls.isEmpty()) {
1222         clearSelection();
1223
1224         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1225         QSet<int> selectedItems = selectionManager->selectedItems();
1226
1227         foreach (const KUrl& url, m_selectedUrls) {
1228             const int index = m_model->index(url);
1229             if (index >= 0) {
1230                 selectedItems.insert(index);
1231             }
1232         }
1233
1234         selectionManager->setSelectedItems(selectedItems);
1235         m_selectedUrls.clear();
1236     }
1237 }
1238
1239 void DolphinView::hideToolTip()
1240 {
1241     if (GeneralSettings::showToolTips()) {
1242         m_toolTipManager->hideToolTip();
1243     }
1244 }
1245
1246 void DolphinView::calculateItemCount(int& fileCount,
1247                                      int& folderCount,
1248                                      KIO::filesize_t& totalFileSize) const
1249 {
1250     const int itemCount = m_model->count();
1251     for (int i = 0; i < itemCount; ++i) {
1252         const KFileItem item = m_model->fileItem(i);
1253         if (item.isDir()) {
1254             ++folderCount;
1255         } else {
1256             ++fileCount;
1257             totalFileSize += item.size();
1258         }
1259     }
1260 }
1261
1262 void DolphinView::showHoverInformation(const KFileItem& item)
1263 {
1264     emit requestItemInfo(item);
1265 }
1266
1267 void DolphinView::clearHoverInformation()
1268 {
1269     emit requestItemInfo(KFileItem());
1270 }
1271
1272 void DolphinView::slotDeleteFileFinished(KJob* job)
1273 {
1274     if (job->error() == 0) {
1275         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1276     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1277         emit errorMessage(job->errorString());
1278     }
1279 }
1280
1281 void DolphinView::slotDirectoryLoadingStarted()
1282 {
1283     // Disable the writestate temporary until it can be determined in a fast way
1284     // in DolphinView::slotLoadingCompleted()
1285     if (m_isFolderWritable) {
1286         m_isFolderWritable = false;
1287         emit writeStateChanged(m_isFolderWritable);
1288     }
1289
1290     emit directoryLoadingStarted();
1291 }
1292
1293 void DolphinView::slotDirectoryLoadingCompleted()
1294 {
1295     // Update the view-state. This has to be done asynchronously
1296     // because the view might not be in its final state yet.
1297     QTimer::singleShot(0, this, SLOT(updateViewState()));
1298
1299     emit directoryLoadingCompleted();
1300
1301     updateWritableState();
1302 }
1303
1304 void DolphinView::slotItemsChanged()
1305 {
1306     m_assureVisibleCurrentIndex = false;
1307 }
1308
1309 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1310 {
1311     Q_UNUSED(previous);
1312     Q_ASSERT(m_model->sortOrder() == current);
1313
1314     ViewProperties props(viewPropertiesUrl());
1315     props.setSortOrder(current);
1316
1317     emit sortOrderChanged(current);
1318 }
1319
1320 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1321 {
1322     Q_UNUSED(previous);
1323     Q_ASSERT(m_model->sortRole() == current);
1324
1325     ViewProperties props(viewPropertiesUrl());
1326     props.setSortRole(current);
1327
1328     emit sortRoleChanged(current);
1329 }
1330
1331 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1332                                                   const QList<QByteArray>& previous)
1333 {
1334     Q_UNUSED(previous);
1335     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1336
1337     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1338
1339     m_visibleRoles = current;
1340
1341     ViewProperties props(viewPropertiesUrl());
1342     props.setVisibleRoles(m_visibleRoles);
1343
1344     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1345 }
1346
1347 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1348 {
1349     if (index < 0 || index >= m_model->count()) {
1350         return;
1351     }
1352
1353     if (role == "text") {
1354         const KFileItem oldItem = m_model->fileItem(index);
1355         const QString newName = value.toString();
1356         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1357             const KUrl oldUrl = oldItem.url();
1358
1359             QHash<QByteArray, QVariant> data;
1360             data.insert(role, value);
1361             m_model->setData(index, data);
1362
1363             KonqOperations::rename(this, oldUrl, newName);
1364         }
1365     }
1366 }
1367
1368 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1369 {
1370     if (!url.isValid()) {
1371         const QString location(url.pathOrUrl());
1372         if (location.isEmpty()) {
1373             emit errorMessage(i18nc("@info:status", "The location is empty."));
1374         } else {
1375             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1376         }
1377         return;
1378     }
1379
1380     if (reload) {
1381         m_model->refreshDirectory(url);
1382     } else {
1383         m_model->loadDirectory(url);
1384     }
1385 }
1386
1387 void DolphinView::applyViewProperties()
1388 {
1389     m_view->beginTransaction();
1390
1391     const ViewProperties props(viewPropertiesUrl());
1392
1393     const Mode mode = props.viewMode();
1394     if (m_mode != mode) {
1395         const Mode previousMode = m_mode;
1396         m_mode = mode;
1397
1398         // Changing the mode might result in changing
1399         // the zoom level. Remember the old zoom level so
1400         // that zoomLevelChanged() can get emitted.
1401         const int oldZoomLevel = m_view->zoomLevel();
1402         applyModeToView();
1403
1404         emit modeChanged(m_mode, previousMode);
1405
1406         if (m_view->zoomLevel() != oldZoomLevel) {
1407             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1408         }
1409     }
1410
1411     const bool hiddenFilesShown = props.hiddenFilesShown();
1412     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1413         m_model->setShowHiddenFiles(hiddenFilesShown);
1414         emit hiddenFilesShownChanged(hiddenFilesShown);
1415     }
1416
1417     const bool groupedSorting = props.groupedSorting();
1418     if (groupedSorting != m_model->groupedSorting()) {
1419         m_model->setGroupedSorting(groupedSorting);
1420         emit groupedSortingChanged(groupedSorting);
1421     }
1422
1423     const QByteArray sortRole = props.sortRole();
1424     if (sortRole != m_model->sortRole()) {
1425         m_model->setSortRole(sortRole);
1426         emit sortRoleChanged(sortRole);
1427     }
1428
1429     const Qt::SortOrder sortOrder = props.sortOrder();
1430     if (sortOrder != m_model->sortOrder()) {
1431         m_model->setSortOrder(sortOrder);
1432         emit sortOrderChanged(sortOrder);
1433     }
1434
1435     const bool sortFoldersFirst = props.sortFoldersFirst();
1436     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1437         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1438         emit sortFoldersFirstChanged(sortFoldersFirst);
1439     }
1440
1441     const QList<QByteArray> visibleRoles = props.visibleRoles();
1442     if (visibleRoles != m_visibleRoles) {
1443         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1444         m_visibleRoles = visibleRoles;
1445         m_view->setVisibleRoles(visibleRoles);
1446         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1447     }
1448
1449     const bool previewsShown = props.previewsShown();
1450     if (previewsShown != m_view->previewsShown()) {
1451         const int oldZoomLevel = zoomLevel();
1452
1453         m_view->setPreviewsShown(previewsShown);
1454         emit previewsShownChanged(previewsShown);
1455
1456         // Changing the preview-state might result in a changed zoom-level
1457         if (oldZoomLevel != zoomLevel()) {
1458             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1459         }
1460     }
1461
1462     KItemListView* itemListView = m_container->controller()->view();
1463     if (itemListView->isHeaderVisible()) {
1464         KItemListHeader* header = itemListView->header();
1465         const QList<int> headerColumnWidths = props.headerColumnWidths();
1466         const int rolesCount = m_visibleRoles.count();
1467         if (headerColumnWidths.count() == rolesCount) {
1468             header->setAutomaticColumnResizing(false);
1469
1470             QHash<QByteArray, qreal> columnWidths;
1471             for (int i = 0; i < rolesCount; ++i) {
1472                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1473             }
1474             header->setColumnWidths(columnWidths);
1475         } else {
1476             header->setAutomaticColumnResizing(true);
1477         }
1478     }
1479
1480     m_view->endTransaction();
1481 }
1482
1483 void DolphinView::applyModeToView()
1484 {
1485     switch (m_mode) {
1486     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1487     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1488     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1489     default: Q_ASSERT(false); break;
1490     }
1491 }
1492
1493 void DolphinView::pasteToUrl(const KUrl& url)
1494 {
1495     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1496     KonqOperations::doPaste(this, url);
1497 }
1498
1499 KUrl::List DolphinView::simplifiedSelectedUrls() const
1500 {
1501     KUrl::List urls;
1502
1503     const KFileItemList items = selectedItems();
1504     foreach (const KFileItem& item, items) {
1505         urls.append(item.url());
1506     }
1507
1508     if (itemsExpandable()) {
1509         // TODO: Check if we still need KDirModel for this in KDE 5.0
1510         urls = KDirModel::simplifiedUrlList(urls);
1511     }
1512
1513     return urls;
1514 }
1515
1516 QMimeData* DolphinView::selectionMimeData() const
1517 {
1518     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1519     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1520
1521     return m_model->createMimeData(selectedIndexes);
1522 }
1523
1524 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1525 {
1526     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1527     KUrl::List destUrls;
1528     foreach (const KUrl& source, sourceUrls) {
1529         KUrl destination(url().url() + '/' + source.fileName());
1530         destUrls << destination;
1531     }
1532     markUrlsAsSelected(destUrls);
1533 }
1534
1535 void DolphinView::updateWritableState()
1536 {
1537     const bool wasFolderWritable = m_isFolderWritable;
1538     m_isFolderWritable = true;
1539
1540     const KFileItem item = m_model->rootItem();
1541     if (!item.isNull()) {
1542         KFileItemListProperties capabilities(KFileItemList() << item);
1543         m_isFolderWritable = capabilities.supportsWriting();
1544     }
1545     if (m_isFolderWritable != wasFolderWritable) {
1546         emit writeStateChanged(m_isFolderWritable);
1547     }
1548 }
1549
1550 KUrl DolphinView::viewPropertiesUrl() const
1551 {
1552     if (m_viewPropertiesContext.isEmpty()) {
1553         return m_url;
1554     }
1555
1556     KUrl url;
1557     url.setProtocol(m_url.protocol());
1558     url.setPath(m_viewPropertiesContext);
1559     return url;
1560 }
1561
1562 #include "dolphinview.moc"