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 <Nepomuk2/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_clearSelectionBeforeSelectingNewItems(false),
 105     m_versionControlObserver(0)
 106 {
 107     m_topLayout = new QVBoxLayout(this);
 108     m_topLayout->setSpacing(0);
 109     m_topLayout->setMargin(0);
 110
 111     // When a new item has been created by the "Create New..." menu, the item should
 112     // get selected and it must be assured that the item will get visible. As the
 113     // creation is done asynchronously, several signals must be checked:
 114     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 115             this, SLOT(observeCreatedItem(KUrl)));
 116
 117     m_selectionChangedTimer = new QTimer(this);
 118     m_selectionChangedTimer->setSingleShot(true);
 119     m_selectionChangedTimer->setInterval(300);
 120     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 121             this, SLOT(emitSelectionChangedSignal()));
 122
 123     m_model = new KFileItemModel(this);
 124     m_view = new DolphinItemListView();
 125     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 126     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 127     applyModeToView();
 128
 129     KItemListController* controller = new KItemListController(m_model, m_view, this);
 130     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 131     controller->setAutoActivationDelay(delay);
 132
 133     // The EnlargeSmallPreviews setting can only be changed after the model
 134     // has been set in the view by KItemListController.
 135     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 136
 137     m_container = new KItemListContainer(controller, this);
 138     m_container->installEventFilter(this);
 139     setFocusProxy(m_container);
 140     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 141     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 142
 143     controller->setSelectionBehavior(KItemListController::MultiSelection);
 144     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 145     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 146     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 147     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 148     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 149     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 150     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 151     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 152     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 153     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 154     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 155
 156     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 157     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 158     connect(m_model, SIGNAL(directoryLoadingCanceled()),      this, SIGNAL(directoryLoadingCanceled()));
 159     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 160     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 161     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 162             this, SLOT(slotItemsChanged()));
 163     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 164     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 165     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 166     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 167     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 168     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 169
 170     m_view->installEventFilter(this);
 171     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 172             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 173     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 174             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 175     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 176             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 177     connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 178             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 179     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 180             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 181
 182     KItemListSelectionManager* selectionManager = controller->selectionManager();
 183     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 184             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 185
 186     m_toolTipManager = new ToolTipManager(this);
 187
 188     m_versionControlObserver = new VersionControlObserver(this);
 189     m_versionControlObserver->setModel(m_model);
 190     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 191     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 192     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 193
 194     applyViewProperties();
 195     m_topLayout->addWidget(m_container);
 196
 197     loadDirectory(url);
 198 }
 199
 200 DolphinView::~DolphinView()
 201 {
 202 }
 203
 204 KUrl DolphinView::url() const
 205 {
 206     return m_url;
 207 }
 208
 209 void DolphinView::setActive(bool active)
 210 {
 211     if (active == m_active) {
 212         return;
 213     }
 214
 215     m_active = active;
 216
 217     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 218     if (!active) {
 219         color.setAlpha(150);
 220     }
 221
 222     QWidget* viewport = m_container->viewport();
 223     if (viewport) {
 224         QPalette palette;
 225         palette.setColor(viewport->backgroundRole(), color);
 226         viewport->setPalette(palette);
 227     }
 228
 229     update();
 230
 231     if (active) {
 232         m_container->setFocus();
 233         emit activated();
 234         emit writeStateChanged(m_isFolderWritable);
 235     }
 236 }
 237
 238 bool DolphinView::isActive() const
 239 {
 240     return m_active;
 241 }
 242
 243 void DolphinView::setMode(Mode mode)
 244 {
 245     if (mode != m_mode) {
 246         ViewProperties props(viewPropertiesUrl());
 247         props.setViewMode(mode);
 248         props.save();
 249
 250         applyViewProperties();
 251     }
 252 }
 253
 254 DolphinView::Mode DolphinView::mode() const
 255 {
 256     return m_mode;
 257 }
 258
 259 void DolphinView::setPreviewsShown(bool show)
 260 {
 261     if (previewsShown() == show) {
 262         return;
 263     }
 264
 265     ViewProperties props(viewPropertiesUrl());
 266     props.setPreviewsShown(show);
 267
 268     const int oldZoomLevel = m_view->zoomLevel();
 269     m_view->setPreviewsShown(show);
 270     emit previewsShownChanged(show);
 271
 272     const int newZoomLevel = m_view->zoomLevel();
 273     if (newZoomLevel != oldZoomLevel) {
 274         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 275     }
 276 }
 277
 278 bool DolphinView::previewsShown() const
 279 {
 280     return m_view->previewsShown();
 281 }
 282
 283 void DolphinView::setHiddenFilesShown(bool show)
 284 {
 285     if (m_model->showHiddenFiles() == show) {
 286         return;
 287     }
 288
 289     const KFileItemList itemList = selectedItems();
 290     m_selectedUrls.clear();
 291     m_selectedUrls = itemList.urlList();
 292
 293     ViewProperties props(viewPropertiesUrl());
 294     props.setHiddenFilesShown(show);
 295
 296     m_model->setShowHiddenFiles(show);
 297     emit hiddenFilesShownChanged(show);
 298 }
 299
 300 bool DolphinView::hiddenFilesShown() const
 301 {
 302     return m_model->showHiddenFiles();
 303 }
 304
 305 void DolphinView::setGroupedSorting(bool grouped)
 306 {
 307     if (grouped == groupedSorting()) {
 308         return;
 309     }
 310
 311     ViewProperties props(viewPropertiesUrl());
 312     props.setGroupedSorting(grouped);
 313     props.save();
 314
 315     m_container->controller()->model()->setGroupedSorting(grouped);
 316
 317     emit groupedSortingChanged(grouped);
 318 }
 319
 320 bool DolphinView::groupedSorting() const
 321 {
 322     return m_model->groupedSorting();
 323 }
 324
 325 KFileItemList DolphinView::items() const
 326 {
 327     KFileItemList list;
 328     const int itemCount = m_model->count();
 329     list.reserve(itemCount);
 330
 331     for (int i = 0; i < itemCount; ++i) {
 332         list.append(m_model->fileItem(i));
 333     }
 334
 335     return list;
 336 }
 337
 338 int DolphinView::itemsCount() const
 339 {
 340     return m_model->count();
 341 }
 342
 343 KFileItemList DolphinView::selectedItems() const
 344 {
 345     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 346     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 347
 348     KFileItemList selectedItems;
 349     QSetIterator<int> it(selectedIndexes);
 350     while (it.hasNext()) {
 351         const int index = it.next();
 352         selectedItems.append(m_model->fileItem(index));
 353     }
 354     return selectedItems;
 355 }
 356
 357 int DolphinView::selectedItemsCount() const
 358 {
 359     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 360     return selectionManager->selectedItems().count();
 361 }
 362
 363 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 364 {
 365     m_selectedUrls = urls;
 366 }
 367
 368 void DolphinView::markUrlAsCurrent(const KUrl& url)
 369 {
 370     m_currentItemUrl = url;
 371     m_scrollToCurrentItem = true;
 372 }
 373
 374 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 375 {
 376     const KItemListSelectionManager::SelectionMode mode = enabled
 377                                                         ? KItemListSelectionManager::Select
 378                                                         : KItemListSelectionManager::Deselect;
 379     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 380
 381     for (int index = 0; index < m_model->count(); index++) {
 382         const KFileItem item = m_model->fileItem(index);
 383         if (pattern.exactMatch(item.text())) {
 384             // An alternative approach would be to store the matching items in a QSet<int> and
 385             // select them in one go after the loop, but we'd need a new function
 386             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 387             // for that.
 388             selectionManager->setSelected(index, 1, mode);
 389         }
 390     }
 391 }
 392
 393 void DolphinView::setZoomLevel(int level)
 394 {
 395     const int oldZoomLevel = zoomLevel();
 396     m_view->setZoomLevel(level);
 397     if (zoomLevel() != oldZoomLevel) {
 398         hideToolTip();
 399         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 400     }
 401 }
 402
 403 int DolphinView::zoomLevel() const
 404 {
 405     return m_view->zoomLevel();
 406 }
 407
 408 void DolphinView::setSortRole(const QByteArray& role)
 409 {
 410     if (role != sortRole()) {
 411         updateSortRole(role);
 412     }
 413 }
 414
 415 QByteArray DolphinView::sortRole() const
 416 {
 417     const KItemModelBase* model = m_container->controller()->model();
 418     return model->sortRole();
 419 }
 420
 421 void DolphinView::setSortOrder(Qt::SortOrder order)
 422 {
 423     if (sortOrder() != order) {
 424         updateSortOrder(order);
 425     }
 426 }
 427
 428 Qt::SortOrder DolphinView::sortOrder() const
 429 {
 430     return m_model->sortOrder();
 431 }
 432
 433 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 434 {
 435     if (sortFoldersFirst() != foldersFirst) {
 436         updateSortFoldersFirst(foldersFirst);
 437     }
 438 }
 439
 440 bool DolphinView::sortFoldersFirst() const
 441 {
 442     return m_model->sortDirectoriesFirst();
 443 }
 444
 445 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 446 {
 447     const QList<QByteArray> previousRoles = roles;
 448
 449     ViewProperties props(viewPropertiesUrl());
 450     props.setVisibleRoles(roles);
 451
 452     m_visibleRoles = roles;
 453     m_view->setVisibleRoles(roles);
 454
 455     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 456 }
 457
 458 QList<QByteArray> DolphinView::visibleRoles() const
 459 {
 460     return m_visibleRoles;
 461 }
 462
 463 void DolphinView::reload()
 464 {
 465     QByteArray viewState;
 466     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 467     saveState(saveStream);
 468
 469     const KFileItemList itemList = selectedItems();
 470     m_selectedUrls.clear();
 471     m_selectedUrls = itemList.urlList();
 472
 473     setUrl(url());
 474     loadDirectory(url(), true);
 475
 476     QDataStream restoreStream(viewState);
 477     restoreState(restoreStream);
 478 }
 479
 480 void DolphinView::stopLoading()
 481 {
 482     m_model->cancelDirectoryLoading();
 483 }
 484
 485 void DolphinView::readSettings()
 486 {
 487     const int oldZoomLevel = m_view->zoomLevel();
 488
 489     GeneralSettings::self()->readConfig();
 490     m_view->readSettings();
 491     applyViewProperties();
 492
 493     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 494     m_container->controller()->setAutoActivationDelay(delay);
 495
 496     const int newZoomLevel = m_view->zoomLevel();
 497     if (newZoomLevel != oldZoomLevel) {
 498         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 499     }
 500 }
 501
 502 void DolphinView::writeSettings()
 503 {
 504     GeneralSettings::self()->writeConfig();
 505     m_view->writeSettings();
 506 }
 507
 508 void DolphinView::setNameFilter(const QString& nameFilter)
 509 {
 510     m_model->setNameFilter(nameFilter);
 511 }
 512
 513 QString DolphinView::nameFilter() const
 514 {
 515     return m_model->nameFilter();
 516 }
 517
 518 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 519 {
 520     return m_model->setMimeTypeFilters(filters);
 521 }
 522
 523 QStringList DolphinView::mimeTypeFilters() const
 524 {
 525     return m_model->mimeTypeFilters();
 526 }
 527
 528 QString DolphinView::statusBarText() const
 529 {
 530     QString summary;
 531     QString foldersText;
 532     QString filesText;
 533
 534     int folderCount = 0;
 535     int fileCount = 0;
 536     KIO::filesize_t totalFileSize = 0;
 537
 538     if (m_container->controller()->selectionManager()->hasSelection()) {
 539         // Give a summary of the status of the selected files
 540         const KFileItemList list = selectedItems();
 541         foreach (const KFileItem& item, list) {
 542             if (item.isDir()) {
 543                 ++folderCount;
 544             } else {
 545                 ++fileCount;
 546                 totalFileSize += item.size();
 547             }
 548         }
 549
 550         if (folderCount + fileCount == 1) {
 551             // If only one item is selected, show the filename
 552             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 553         } else {
 554             // At least 2 items are selected
 555             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 556             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 557         }
 558     } else {
 559         calculateItemCount(fileCount, folderCount, totalFileSize);
 560         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 561         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 562     }
 563
 564     if (fileCount > 0 && folderCount > 0) {
 565         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 566                         foldersText, filesText,
 567                         KGlobal::locale()->formatByteSize(totalFileSize));
 568     } else if (fileCount > 0) {
 569         summary = i18nc("@info:status files (size)", "%1 (%2)",
 570                         filesText,
 571                         KGlobal::locale()->formatByteSize(totalFileSize));
 572     } else if (folderCount > 0) {
 573         summary = foldersText;
 574     } else {
 575         summary = i18nc("@info:status", "0 Folders, 0 Files");
 576     }
 577
 578     return summary;
 579 }
 580
 581 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 582 {
 583     QList<QAction*> actions;
 584
 585     if (items.isEmpty()) {
 586         const KFileItem item = m_model->rootItem();
 587         if (!item.isNull()) {
 588             actions = m_versionControlObserver->actions(KFileItemList() << item);
 589         }
 590     } else {
 591         actions = m_versionControlObserver->actions(items);
 592     }
 593
 594     return actions;
 595 }
 596
 597 void DolphinView::setUrl(const KUrl& url)
 598 {
 599     if (url == m_url) {
 600         return;
 601     }
 602
 603     clearSelection();
 604
 605     emit urlAboutToBeChanged(url);
 606     m_url = url;
 607
 608     hideToolTip();
 609
 610     // It is important to clear the items from the model before
 611     // applying the view properties, otherwise expensive operations
 612     // might be done on the existing items although they get cleared
 613     // anyhow afterwards by loadDirectory().
 614     m_model->clear();
 615     applyViewProperties();
 616     loadDirectory(url);
 617
 618     emit urlChanged(url);
 619 }
 620
 621 void DolphinView::selectAll()
 622 {
 623     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 624     selectionManager->setSelected(0, m_model->count());
 625 }
 626
 627 void DolphinView::invertSelection()
 628 {
 629     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 630     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 631 }
 632
 633 void DolphinView::clearSelection()
 634 {
 635     m_selectedUrls.clear();
 636     m_container->controller()->selectionManager()->clearSelection();
 637 }
 638
 639 void DolphinView::renameSelectedItems()
 640 {
 641     const KFileItemList items = selectedItems();
 642     if (items.isEmpty()) {
 643         return;
 644     }
 645
 646     if (items.count() == 1 && GeneralSettings::renameInline()) {
 647         const int index = m_model->index(items.first());
 648         m_view->editRole(index, "text");
 649     } else {
 650         RenameDialog* dialog = new RenameDialog(this, items);
 651         dialog->setAttribute(Qt::WA_DeleteOnClose);
 652         dialog->show();
 653         dialog->raise();
 654         dialog->activateWindow();
 655     }
 656
 657     // Assure that the current index remains visible when KFileItemModel
 658     // will notify the view about changed items (which might result in
 659     // a changed sorting).
 660     m_assureVisibleCurrentIndex = true;
 661 }
 662
 663 void DolphinView::trashSelectedItems()
 664 {
 665     const KUrl::List list = simplifiedSelectedUrls();
 666     KonqOperations::del(this, KonqOperations::TRASH, list);
 667 }
 668
 669 void DolphinView::deleteSelectedItems()
 670 {
 671     const KUrl::List list = simplifiedSelectedUrls();
 672     const bool del = KonqOperations::askDeleteConfirmation(list,
 673                      KonqOperations::DEL,
 674                      KonqOperations::DEFAULT_CONFIRMATION,
 675                      this);
 676
 677     if (del) {
 678         KIO::Job* job = KIO::del(list);
 679         if (job->ui()) {
 680             job->ui()->setWindow(this);
 681         }
 682         connect(job, SIGNAL(result(KJob*)),
 683                 this, SLOT(slotDeleteFileFinished(KJob*)));
 684     }
 685 }
 686
 687 void DolphinView::cutSelectedItems()
 688 {
 689     QMimeData* mimeData = selectionMimeData();
 690     KonqMimeData::addIsCutSelection(mimeData, true);
 691     QApplication::clipboard()->setMimeData(mimeData);
 692 }
 693
 694 void DolphinView::copySelectedItems()
 695 {
 696     QMimeData* mimeData = selectionMimeData();
 697     QApplication::clipboard()->setMimeData(mimeData);
 698 }
 699
 700 void DolphinView::paste()
 701 {
 702     pasteToUrl(url());
 703 }
 704
 705 void DolphinView::pasteIntoFolder()
 706 {
 707     const KFileItemList items = selectedItems();
 708     if ((items.count() == 1) && items.first().isDir()) {
 709         pasteToUrl(items.first().url());
 710     }
 711 }
 712
 713 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 714 {
 715     switch (event->type()) {
 716     case QEvent::FocusIn:
 717         if (watched == m_container) {
 718             setActive(true);
 719         }
 720         break;
 721
 722     case QEvent::GraphicsSceneDragEnter:
 723         if (watched == m_view) {
 724             m_dragging = true;
 725         }
 726         break;
 727
 728     case QEvent::GraphicsSceneDragLeave:
 729         if (watched == m_view) {
 730             m_dragging = false;
 731         }
 732         break;
 733
 734     case QEvent::GraphicsSceneDrop:
 735         if (watched == m_view) {
 736             m_dragging = false;
 737         }
 738     default:
 739         break;
 740     }
 741
 742     return QWidget::eventFilter(watched, event);
 743 }
 744
 745 void DolphinView::wheelEvent(QWheelEvent* event)
 746 {
 747     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 748         const int numDegrees = event->delta() / 8;
 749         const int numSteps = numDegrees / 15;
 750
 751         setZoomLevel(zoomLevel() + numSteps);
 752         event->accept();
 753     } else {
 754         event->ignore();
 755     }
 756 }
 757
 758 void DolphinView::hideEvent(QHideEvent* event)
 759 {
 760     hideToolTip();
 761     QWidget::hideEvent(event);
 762 }
 763
 764 bool DolphinView::event(QEvent* event)
 765 {
 766     /* See Bug 297355
 767      * Dolphin leaves file preview tooltips open even when is not visible.
 768      *
 769      * Hide tool-tip when Dolphin loses focus.
 770      */
 771     if (event->type() == QEvent::WindowDeactivate) {
 772         hideToolTip();
 773     }
 774
 775     return QWidget::event(event);
 776 }
 777
 778 void DolphinView::activate()
 779 {
 780     setActive(true);
 781 }
 782
 783 void DolphinView::slotItemActivated(int index)
 784 {
 785     const KFileItem item = m_model->fileItem(index);
 786     if (!item.isNull()) {
 787         emit itemActivated(item);
 788     }
 789 }
 790
 791 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 792 {
 793     Q_ASSERT(indexes.count() >= 2);
 794
 795     if (indexes.count() > 5) {
 796         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 797         const int answer = KMessageBox::warningYesNo(this, question);
 798         if (answer != KMessageBox::Yes) {
 799             return;
 800         }
 801     }
 802
 803     KFileItemList items;
 804     items.reserve(indexes.count());
 805
 806     QSetIterator<int> it(indexes);
 807     while (it.hasNext()) {
 808         const int index = it.next();
 809         KFileItem item = m_model->fileItem(index);
 810
 811         if (item.isDir()) { // Open folders in new tabs
 812             emit tabRequested(item.url());
 813         } else {
 814             items.append(item);
 815         }
 816     }
 817
 818     if (items.count() == 1) {
 819         emit itemActivated(items.first());
 820     } else if (items.count() > 1) {
 821         emit itemsActivated(items);
 822     }
 823 }
 824
 825 void DolphinView::slotItemMiddleClicked(int index)
 826 {
 827     const KFileItem item = m_model->fileItem(index);
 828     if (item.isDir() || isTabsForFilesEnabled()) {
 829         emit tabRequested(item.url());
 830     }
 831 }
 832
 833 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 834 {
 835     const KFileItem item = m_model->fileItem(index);
 836     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 837 }
 838
 839 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 840 {
 841     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 842 }
 843
 844 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 845 {
 846     ViewProperties props(viewPropertiesUrl());
 847
 848     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 849
 850     KItemListView* view = m_container->controller()->view();
 851     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 852
 853     bool nepomukRunning = false;
 854     bool indexingEnabled = false;
 855 #ifdef HAVE_NEPOMUK
 856     nepomukRunning = (Nepomuk2::ResourceManager::instance()->initialized());
 857     if (nepomukRunning) {
 858         KConfig config("nepomukserverrc");
 859         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
 860     }
 861 #endif
 862
 863     QString groupName;
 864     QMenu* groupMenu = 0;
 865
 866     // Add all roles to the menu that can be shown or hidden by the user
 867     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 868     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 869         if (info.role == "text") {
 870             // It should not be possible to hide the "text" role
 871             continue;
 872         }
 873
 874         const QString text = m_model->roleDescription(info.role);
 875         QAction* action = 0;
 876         if (info.group.isEmpty()) {
 877             action = menu->addAction(text);
 878         } else {
 879             if (!groupMenu || info.group != groupName) {
 880                 groupName = info.group;
 881                 groupMenu = menu->addMenu(groupName);
 882             }
 883
 884             action = groupMenu->addAction(text);
 885         }
 886
 887         action->setCheckable(true);
 888         action->setChecked(visibleRolesSet.contains(info.role));
 889         action->setData(info.role);
 890
 891         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 892                             (info.requiresNepomuk && nepomukRunning) ||
 893                             (info.requiresIndexer && indexingEnabled);
 894         action->setEnabled(enable);
 895     }
 896
 897     menu->addSeparator();
 898
 899     QActionGroup* widthsGroup = new QActionGroup(menu);
 900     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 901
 902     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 903     autoAdjustWidthsAction->setCheckable(true);
 904     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 905     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 906
 907     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 908     customWidthsAction->setCheckable(true);
 909     customWidthsAction->setChecked(!autoColumnWidths);
 910     customWidthsAction->setActionGroup(widthsGroup);
 911
 912     QAction* action = menu->exec(pos.toPoint());
 913     if (menu && action) {
 914         KItemListHeader* header = view->header();
 915
 916         if (action == autoAdjustWidthsAction) {
 917             // Clear the column-widths from the viewproperties and turn on
 918             // the automatic resizing of the columns
 919             props.setHeaderColumnWidths(QList<int>());
 920             header->setAutomaticColumnResizing(true);
 921         } else if (action == customWidthsAction) {
 922             // Apply the current column-widths as custom column-widths and turn
 923             // off the automatic resizing of the columns
 924             QList<int> columnWidths;
 925             foreach (const QByteArray& role, view->visibleRoles()) {
 926                 columnWidths.append(header->columnWidth(role));
 927             }
 928             props.setHeaderColumnWidths(columnWidths);
 929             header->setAutomaticColumnResizing(false);
 930         } else {
 931             // Show or hide the selected role
 932             const QByteArray selectedRole = action->data().toByteArray();
 933
 934             QList<QByteArray> visibleRoles = view->visibleRoles();
 935             if (action->isChecked()) {
 936                 visibleRoles.append(selectedRole);
 937             } else {
 938                 visibleRoles.removeOne(selectedRole);
 939             }
 940
 941             view->setVisibleRoles(visibleRoles);
 942             props.setVisibleRoles(visibleRoles);
 943
 944             QList<int> columnWidths;
 945             if (!header->automaticColumnResizing()) {
 946                 foreach (const QByteArray& role, view->visibleRoles()) {
 947                     columnWidths.append(header->columnWidth(role));
 948                 }
 949             }
 950             props.setHeaderColumnWidths(columnWidths);
 951         }
 952     }
 953
 954     delete menu;
 955 }
 956
 957 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 958 {
 959     Q_UNUSED(previous);
 960
 961     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 962
 963     ViewProperties props(viewPropertiesUrl());
 964     QList<int> columnWidths = props.headerColumnWidths();
 965     if (columnWidths.count() != visibleRoles.count()) {
 966         columnWidths.clear();
 967         columnWidths.reserve(visibleRoles.count());
 968         const KItemListHeader* header = m_view->header();
 969         foreach (const QByteArray& role, visibleRoles) {
 970             const int width = header->columnWidth(role);
 971             columnWidths.append(width);
 972         }
 973     }
 974
 975     const int roleIndex = visibleRoles.indexOf(role);
 976     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 977     columnWidths[roleIndex] = current;
 978
 979     props.setHeaderColumnWidths(columnWidths);
 980 }
 981
 982 void DolphinView::slotItemHovered(int index)
 983 {
 984     const KFileItem item = m_model->fileItem(index);
 985
 986     if (GeneralSettings::showToolTips() && !m_dragging) {
 987         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 988         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 989         itemRect.moveTo(pos);
 990
 991         m_toolTipManager->showToolTip(item, itemRect);
 992     }
 993
 994     emit requestItemInfo(item);
 995 }
 996
 997 void DolphinView::slotItemUnhovered(int index)
 998 {
 999     Q_UNUSED(index);
1000     hideToolTip();
1001     emit requestItemInfo(KFileItem());
1002 }
1003
1004 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1005 {
1006     KUrl destUrl;
1007     KFileItem destItem = m_model->fileItem(index);
1008     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1009         // Use the URL of the view as drop target if the item is no directory
1010         // or desktop-file
1011         destItem = m_model->rootItem();
1012         destUrl = url();
1013     } else {
1014         // The item represents a directory or desktop-file
1015         destUrl = destItem.url();
1016     }
1017
1018     QDropEvent dropEvent(event->pos().toPoint(),
1019                          event->possibleActions(),
1020                          event->mimeData(),
1021                          event->buttons(),
1022                          event->modifiers());
1023
1024     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
1025     if (!error.isEmpty()) {
1026         emit errorMessage(error);
1027     }
1028
1029     if (destUrl == url()) {
1030         // Mark the dropped urls as selected.
1031         markPastedUrlsAsSelected(event->mimeData());
1032     }
1033 }
1034
1035 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1036 {
1037     if (previous != 0) {
1038         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1039         m_versionControlObserver->setModel(0);
1040     }
1041
1042     if (current) {
1043         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1044         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1045
1046         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1047         m_versionControlObserver->setModel(fileItemModel);
1048     }
1049 }
1050
1051 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1052 {
1053     hideToolTip();
1054
1055     if (itemIndex < 0) {
1056         // Trigger the history navigation only when clicking on the viewport:
1057         // Above an item the XButtons provide a simple way to select items in
1058         // the singleClick mode.
1059         if (buttons & Qt::XButton1) {
1060             emit goBackRequested();
1061         } else if (buttons & Qt::XButton2) {
1062             emit goForwardRequested();
1063         }
1064     }
1065 }
1066
1067 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1068 {
1069     const int currentCount = current.count();
1070     const int previousCount = previous.count();
1071     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1072                                        (currentCount >  0 && previousCount == 0);
1073
1074     // If nothing has been selected before and something got selected (or if something
1075     // was selected before and now nothing is selected) the selectionChangedSignal must
1076     // be emitted asynchronously as fast as possible to update the edit-actions.
1077     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1078     m_selectionChangedTimer->start();
1079 }
1080
1081 void DolphinView::emitSelectionChangedSignal()
1082 {
1083     m_selectionChangedTimer->stop();
1084     emit selectionChanged(selectedItems());
1085 }
1086
1087 void DolphinView::updateSortRole(const QByteArray& role)
1088 {
1089     ViewProperties props(viewPropertiesUrl());
1090     props.setSortRole(role);
1091
1092     KItemModelBase* model = m_container->controller()->model();
1093     model->setSortRole(role);
1094
1095     emit sortRoleChanged(role);
1096 }
1097
1098 void DolphinView::updateSortOrder(Qt::SortOrder order)
1099 {
1100     ViewProperties props(viewPropertiesUrl());
1101     props.setSortOrder(order);
1102
1103     m_model->setSortOrder(order);
1104
1105     emit sortOrderChanged(order);
1106 }
1107
1108 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1109 {
1110     ViewProperties props(viewPropertiesUrl());
1111     props.setSortFoldersFirst(foldersFirst);
1112
1113     m_model->setSortDirectoriesFirst(foldersFirst);
1114
1115     emit sortFoldersFirstChanged(foldersFirst);
1116 }
1117
1118 QPair<bool, QString> DolphinView::pasteInfo() const
1119 {
1120     return KonqOperations::pasteInfo(url());
1121 }
1122
1123 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1124 {
1125     m_tabsForFiles = tabsForFiles;
1126 }
1127
1128 bool DolphinView::isTabsForFilesEnabled() const
1129 {
1130     return m_tabsForFiles;
1131 }
1132
1133 bool DolphinView::itemsExpandable() const
1134 {
1135     return m_mode == DetailsView;
1136 }
1137
1138 void DolphinView::restoreState(QDataStream& stream)
1139 {
1140     // Restore the current item that had the keyboard focus
1141     stream >> m_currentItemUrl;
1142
1143     // Restore the view position
1144     stream >> m_restoredContentsPosition;
1145
1146     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1147     QSet<KUrl> urls;
1148     stream >> urls;
1149     m_model->restoreExpandedDirectories(urls);
1150 }
1151
1152 void DolphinView::saveState(QDataStream& stream)
1153 {
1154     // Save the current item that has the keyboard focus
1155     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1156     if (currentIndex != -1) {
1157         KFileItem item = m_model->fileItem(currentIndex);
1158         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1159         KUrl currentItemUrl = item.url();
1160         stream << currentItemUrl;
1161     } else {
1162         stream << KUrl();
1163     }
1164
1165     // Save view position
1166     const qreal x = m_container->horizontalScrollBar()->value();
1167     const qreal y = m_container->verticalScrollBar()->value();
1168     stream << QPoint(x, y);
1169
1170     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1171     stream << m_model->expandedDirectories();
1172 }
1173
1174 KFileItem DolphinView::rootItem() const
1175 {
1176     return m_model->rootItem();
1177 }
1178
1179 void DolphinView::setViewPropertiesContext(const QString& context)
1180 {
1181     m_viewPropertiesContext = context;
1182 }
1183
1184 QString DolphinView::viewPropertiesContext() const
1185 {
1186     return m_viewPropertiesContext;
1187 }
1188
1189 void DolphinView::observeCreatedItem(const KUrl& url)
1190 {
1191     if (m_active) {
1192         clearSelection();
1193         markUrlAsCurrent(url);
1194         markUrlsAsSelected(QList<KUrl>() << url);
1195     }
1196 }
1197
1198 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1199 {
1200     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1201         emit redirection(oldUrl, newUrl);
1202         m_url = newUrl; // #186947
1203     }
1204 }
1205
1206 void DolphinView::updateViewState()
1207 {
1208     if (m_currentItemUrl != KUrl()) {
1209         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1210         const int currentIndex = m_model->index(m_currentItemUrl);
1211         if (currentIndex != -1) {
1212             selectionManager->setCurrentItem(currentIndex);
1213
1214             // scroll to current item and reset the state
1215             if (m_scrollToCurrentItem) {
1216                 m_view->scrollToItem(currentIndex);
1217                 m_scrollToCurrentItem = false;
1218             }
1219         } else {
1220             selectionManager->setCurrentItem(0);
1221         }
1222         m_currentItemUrl = KUrl();
1223     }
1224
1225     if (!m_restoredContentsPosition.isNull()) {
1226         const int x = m_restoredContentsPosition.x();
1227         const int y = m_restoredContentsPosition.y();
1228         m_restoredContentsPosition = QPoint();
1229
1230         m_container->horizontalScrollBar()->setValue(x);
1231         m_container->verticalScrollBar()->setValue(y);
1232     }
1233
1234     if (!m_selectedUrls.isEmpty()) {
1235         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1236
1237         if (m_clearSelectionBeforeSelectingNewItems) {
1238             selectionManager->clearSelection();
1239             m_clearSelectionBeforeSelectingNewItems = false;
1240         }
1241
1242         QSet<int> selectedItems = selectionManager->selectedItems();
1243
1244         QList<KUrl>::iterator it = m_selectedUrls.begin();
1245         while (it != m_selectedUrls.end()) {
1246             const int index = m_model->index(*it);
1247             if (index >= 0) {
1248                 selectedItems.insert(index);
1249                 it = m_selectedUrls.erase(it);
1250             } else {
1251                  ++it;
1252             }
1253         }
1254
1255         selectionManager->setSelectedItems(selectedItems);
1256     }
1257 }
1258
1259 void DolphinView::hideToolTip()
1260 {
1261     if (GeneralSettings::showToolTips()) {
1262         m_toolTipManager->hideToolTip();
1263     }
1264 }
1265
1266 void DolphinView::calculateItemCount(int& fileCount,
1267                                      int& folderCount,
1268                                      KIO::filesize_t& totalFileSize) const
1269 {
1270     const int itemCount = m_model->count();
1271     for (int i = 0; i < itemCount; ++i) {
1272         const KFileItem item = m_model->fileItem(i);
1273         if (item.isDir()) {
1274             ++folderCount;
1275         } else {
1276             ++fileCount;
1277             totalFileSize += item.size();
1278         }
1279     }
1280 }
1281
1282 void DolphinView::showHoverInformation(const KFileItem& item)
1283 {
1284     emit requestItemInfo(item);
1285 }
1286
1287 void DolphinView::clearHoverInformation()
1288 {
1289     emit requestItemInfo(KFileItem());
1290 }
1291
1292 void DolphinView::slotDeleteFileFinished(KJob* job)
1293 {
1294     if (job->error() == 0) {
1295         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1296     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1297         emit errorMessage(job->errorString());
1298     }
1299 }
1300
1301 void DolphinView::slotDirectoryLoadingStarted()
1302 {
1303     // Disable the writestate temporary until it can be determined in a fast way
1304     // in DolphinView::slotLoadingCompleted()
1305     if (m_isFolderWritable) {
1306         m_isFolderWritable = false;
1307         emit writeStateChanged(m_isFolderWritable);
1308     }
1309
1310     emit directoryLoadingStarted();
1311 }
1312
1313 void DolphinView::slotDirectoryLoadingCompleted()
1314 {
1315     // Update the view-state. This has to be done asynchronously
1316     // because the view might not be in its final state yet.
1317     QTimer::singleShot(0, this, SLOT(updateViewState()));
1318
1319     emit directoryLoadingCompleted();
1320
1321     updateWritableState();
1322 }
1323
1324 void DolphinView::slotItemsChanged()
1325 {
1326     m_assureVisibleCurrentIndex = false;
1327 }
1328
1329 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1330 {
1331     Q_UNUSED(previous);
1332     Q_ASSERT(m_model->sortOrder() == current);
1333
1334     ViewProperties props(viewPropertiesUrl());
1335     props.setSortOrder(current);
1336
1337     emit sortOrderChanged(current);
1338 }
1339
1340 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1341 {
1342     Q_UNUSED(previous);
1343     Q_ASSERT(m_model->sortRole() == current);
1344
1345     ViewProperties props(viewPropertiesUrl());
1346     props.setSortRole(current);
1347
1348     emit sortRoleChanged(current);
1349 }
1350
1351 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1352                                                   const QList<QByteArray>& previous)
1353 {
1354     Q_UNUSED(previous);
1355     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1356
1357     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1358
1359     m_visibleRoles = current;
1360
1361     ViewProperties props(viewPropertiesUrl());
1362     props.setVisibleRoles(m_visibleRoles);
1363
1364     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1365 }
1366
1367 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1368 {
1369     if (index < 0 || index >= m_model->count()) {
1370         return;
1371     }
1372
1373     if (role == "text") {
1374         const KFileItem oldItem = m_model->fileItem(index);
1375         const QString newName = value.toString();
1376         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1377             const KUrl oldUrl = oldItem.url();
1378
1379             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1380             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1381             if (!newNameExistsAlready) {
1382                 // Only change the data in the model if no item with the new name
1383                 // is in the model yet. If there is an item with the new name
1384                 // already, calling KonqOperations::rename() will open a dialog
1385                 // asking for a new name, and KFileItemModel will update the
1386                 // data when the dir lister signals that the file name has changed.
1387                 QHash<QByteArray, QVariant> data;
1388                 data.insert(role, value);
1389                 m_model->setData(index, data);
1390             }
1391
1392             KonqOperations::rename(this, oldUrl, newName);
1393         }
1394     }
1395 }
1396
1397 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1398 {
1399     if (!url.isValid()) {
1400         const QString location(url.pathOrUrl());
1401         if (location.isEmpty()) {
1402             emit errorMessage(i18nc("@info:status", "The location is empty."));
1403         } else {
1404             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1405         }
1406         return;
1407     }
1408
1409     if (reload) {
1410         m_model->refreshDirectory(url);
1411     } else {
1412         m_model->loadDirectory(url);
1413     }
1414 }
1415
1416 void DolphinView::applyViewProperties()
1417 {
1418     m_view->beginTransaction();
1419
1420     const ViewProperties props(viewPropertiesUrl());
1421
1422     const Mode mode = props.viewMode();
1423     if (m_mode != mode) {
1424         const Mode previousMode = m_mode;
1425         m_mode = mode;
1426
1427         // Changing the mode might result in changing
1428         // the zoom level. Remember the old zoom level so
1429         // that zoomLevelChanged() can get emitted.
1430         const int oldZoomLevel = m_view->zoomLevel();
1431         applyModeToView();
1432
1433         emit modeChanged(m_mode, previousMode);
1434
1435         if (m_view->zoomLevel() != oldZoomLevel) {
1436             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1437         }
1438     }
1439
1440     const bool hiddenFilesShown = props.hiddenFilesShown();
1441     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1442         m_model->setShowHiddenFiles(hiddenFilesShown);
1443         emit hiddenFilesShownChanged(hiddenFilesShown);
1444     }
1445
1446     const bool groupedSorting = props.groupedSorting();
1447     if (groupedSorting != m_model->groupedSorting()) {
1448         m_model->setGroupedSorting(groupedSorting);
1449         emit groupedSortingChanged(groupedSorting);
1450     }
1451
1452     const QByteArray sortRole = props.sortRole();
1453     if (sortRole != m_model->sortRole()) {
1454         m_model->setSortRole(sortRole);
1455         emit sortRoleChanged(sortRole);
1456     }
1457
1458     const Qt::SortOrder sortOrder = props.sortOrder();
1459     if (sortOrder != m_model->sortOrder()) {
1460         m_model->setSortOrder(sortOrder);
1461         emit sortOrderChanged(sortOrder);
1462     }
1463
1464     const bool sortFoldersFirst = props.sortFoldersFirst();
1465     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1466         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1467         emit sortFoldersFirstChanged(sortFoldersFirst);
1468     }
1469
1470     const QList<QByteArray> visibleRoles = props.visibleRoles();
1471     if (visibleRoles != m_visibleRoles) {
1472         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1473         m_visibleRoles = visibleRoles;
1474         m_view->setVisibleRoles(visibleRoles);
1475         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1476     }
1477
1478     const bool previewsShown = props.previewsShown();
1479     if (previewsShown != m_view->previewsShown()) {
1480         const int oldZoomLevel = zoomLevel();
1481
1482         m_view->setPreviewsShown(previewsShown);
1483         emit previewsShownChanged(previewsShown);
1484
1485         // Changing the preview-state might result in a changed zoom-level
1486         if (oldZoomLevel != zoomLevel()) {
1487             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1488         }
1489     }
1490
1491     KItemListView* itemListView = m_container->controller()->view();
1492     if (itemListView->isHeaderVisible()) {
1493         KItemListHeader* header = itemListView->header();
1494         const QList<int> headerColumnWidths = props.headerColumnWidths();
1495         const int rolesCount = m_visibleRoles.count();
1496         if (headerColumnWidths.count() == rolesCount) {
1497             header->setAutomaticColumnResizing(false);
1498
1499             QHash<QByteArray, qreal> columnWidths;
1500             for (int i = 0; i < rolesCount; ++i) {
1501                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1502             }
1503             header->setColumnWidths(columnWidths);
1504         } else {
1505             header->setAutomaticColumnResizing(true);
1506         }
1507     }
1508
1509     m_view->endTransaction();
1510 }
1511
1512 void DolphinView::applyModeToView()
1513 {
1514     switch (m_mode) {
1515     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1516     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1517     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1518     default: Q_ASSERT(false); break;
1519     }
1520 }
1521
1522 void DolphinView::pasteToUrl(const KUrl& url)
1523 {
1524     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1525     KonqOperations::doPaste(this, url);
1526 }
1527
1528 KUrl::List DolphinView::simplifiedSelectedUrls() const
1529 {
1530     KUrl::List urls;
1531
1532     const KFileItemList items = selectedItems();
1533     foreach (const KFileItem& item, items) {
1534         urls.append(item.url());
1535     }
1536
1537     if (itemsExpandable()) {
1538         // TODO: Check if we still need KDirModel for this in KDE 5.0
1539         urls = KDirModel::simplifiedUrlList(urls);
1540     }
1541
1542     return urls;
1543 }
1544
1545 QMimeData* DolphinView::selectionMimeData() const
1546 {
1547     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1548     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1549
1550     return m_model->createMimeData(selectedIndexes);
1551 }
1552
1553 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1554 {
1555     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1556     KUrl::List destUrls;
1557     foreach (const KUrl& source, sourceUrls) {
1558         KUrl destination(url().url() + '/' + source.fileName());
1559         destUrls << destination;
1560     }
1561     markUrlsAsSelected(destUrls);
1562     m_clearSelectionBeforeSelectingNewItems = true;
1563 }
1564
1565 void DolphinView::updateWritableState()
1566 {
1567     const bool wasFolderWritable = m_isFolderWritable;
1568     m_isFolderWritable = true;
1569
1570     const KFileItem item = m_model->rootItem();
1571     if (!item.isNull()) {
1572         KFileItemListProperties capabilities(KFileItemList() << item);
1573         m_isFolderWritable = capabilities.supportsWriting();
1574     }
1575     if (m_isFolderWritable != wasFolderWritable) {
1576         emit writeStateChanged(m_isFolderWritable);
1577     }
1578 }
1579
1580 KUrl DolphinView::viewPropertiesUrl() const
1581 {
1582     if (m_viewPropertiesContext.isEmpty()) {
1583         return m_url;
1584     }
1585
1586     KUrl url;
1587     url.setProtocol(m_url.protocol());
1588     url.setPath(m_viewPropertiesContext);
1589     return url;
1590 }
1591
1592 #include "dolphinview.moc"