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 <KDesktopFile>
  37 #include <KProtocolManager>
  38 #include <KActionCollection>
  39 #include <KColorScheme>
  40 #include <KDirModel>
  41 #include <KIconEffect>
  42 #include <KFileItem>
  43 #include <KFileItemListProperties>
  44 #include <KLocale>
  45 #include <kitemviews/kfileitemmodel.h>
  46 #include <kitemviews/kfileitemlistview.h>
  47 #include <kitemviews/kitemlistcontainer.h>
  48 #include <kitemviews/kitemlistheader.h>
  49 #include <kitemviews/kitemlistselectionmanager.h>
  50 #include <kitemviews/kitemlistview.h>
  51 #include <kitemviews/kitemlistcontroller.h>
  52 #include <KIO/DeleteJob>
  53 #include <KIO/JobUiDelegate>
  54 #include <KIO/NetAccess>
  55 #include <KIO/PreviewJob>
  56 #include <KJob>
  57 #include <KMenu>
  58 #include <KMessageBox>
  59 #include <konq_fileitemcapabilities.h>
  60 #include <konq_operations.h>
  61 #include <konqmimedata.h>
  62 #include <KToggleAction>
  63 #include <KUrl>
  64
  65 #include "dolphinnewfilemenuobserver.h"
  66 #include "dolphin_detailsmodesettings.h"
  67 #include "dolphin_generalsettings.h"
  68 #include "dolphinitemlistview.h"
  69 #include "draganddrophelper.h"
  70 #include "renamedialog.h"
  71 #include "versioncontrol/versioncontrolobserver.h"
  72 #include "viewmodecontroller.h"
  73 #include "viewproperties.h"
  74 #include "views/tooltips/tooltipmanager.h"
  75 #include "zoomlevelinfo.h"
  76
  77 #ifdef HAVE_NEPOMUK
  78     #include <Nepomuk2/ResourceManager>
  79 #endif
  80
  81 namespace {
  82     const int MaxModeEnum = DolphinView::CompactView;
  83 };
  84
  85 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  86     QWidget(parent),
  87     m_active(true),
  88     m_tabsForFiles(false),
  89     m_assureVisibleCurrentIndex(false),
  90     m_isFolderWritable(true),
  91     m_dragging(false),
  92     m_url(url),
  93     m_viewPropertiesContext(),
  94     m_mode(DolphinView::IconsView),
  95     m_visibleRoles(),
  96     m_topLayout(0),
  97     m_model(0),
  98     m_view(0),
  99     m_container(0),
 100     m_toolTipManager(0),
 101     m_selectionChangedTimer(0),
 102     m_currentItemUrl(),
 103     m_scrollToCurrentItem(false),
 104     m_restoredContentsPosition(),
 105     m_selectedUrls(),
 106     m_clearSelectionBeforeSelectingNewItems(false),
 107     m_markFirstNewlySelectedItemAsCurrent(false),
 108     m_versionControlObserver(0)
 109 {
 110     m_topLayout = new QVBoxLayout(this);
 111     m_topLayout->setSpacing(0);
 112     m_topLayout->setMargin(0);
 113
 114     // When a new item has been created by the "Create New..." menu, the item should
 115     // get selected and it must be assured that the item will get visible. As the
 116     // creation is done asynchronously, several signals must be checked:
 117     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 118             this, SLOT(observeCreatedItem(KUrl)));
 119
 120     m_selectionChangedTimer = new QTimer(this);
 121     m_selectionChangedTimer->setSingleShot(true);
 122     m_selectionChangedTimer->setInterval(300);
 123     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 124             this, SLOT(emitSelectionChangedSignal()));
 125
 126     m_model = new KFileItemModel(this);
 127     m_view = new DolphinItemListView();
 128     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 129     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 130     applyModeToView();
 131
 132     KItemListController* controller = new KItemListController(m_model, m_view, this);
 133     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 134     controller->setAutoActivationDelay(delay);
 135
 136     // The EnlargeSmallPreviews setting can only be changed after the model
 137     // has been set in the view by KItemListController.
 138     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 139
 140     m_container = new KItemListContainer(controller, this);
 141     m_container->installEventFilter(this);
 142     setFocusProxy(m_container);
 143     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 144     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 145
 146     controller->setSelectionBehavior(KItemListController::MultiSelection);
 147     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 148     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 149     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 150     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 151     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 152     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 153     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 154     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 155     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 156     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 157     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 158
 159     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 160     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 161     connect(m_model, SIGNAL(directoryLoadingCanceled()),      this, SIGNAL(directoryLoadingCanceled()));
 162     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 163     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 164     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 165             this, SLOT(slotItemsChanged()));
 166     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 167     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 168     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 169     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 170     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 171     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 172
 173     m_view->installEventFilter(this);
 174     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 175             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 176     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 177             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 178     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 179             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 180     connect(m_view, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 181             this, SLOT(slotRoleEditingCanceled()));
 182     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 183             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 184
 185     KItemListSelectionManager* selectionManager = controller->selectionManager();
 186     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 187             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 188
 189     m_toolTipManager = new ToolTipManager(this);
 190
 191     m_versionControlObserver = new VersionControlObserver(this);
 192     m_versionControlObserver->setModel(m_model);
 193     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 194     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 195     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 196
 197     applyViewProperties();
 198     m_topLayout->addWidget(m_container);
 199
 200     loadDirectory(url);
 201 }
 202
 203 DolphinView::~DolphinView()
 204 {
 205 }
 206
 207 KUrl DolphinView::url() const
 208 {
 209     return m_url;
 210 }
 211
 212 void DolphinView::setActive(bool active)
 213 {
 214     if (active == m_active) {
 215         return;
 216     }
 217
 218     m_active = active;
 219
 220     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 221     if (!active) {
 222         color.setAlpha(150);
 223     }
 224
 225     QWidget* viewport = m_container->viewport();
 226     if (viewport) {
 227         QPalette palette;
 228         palette.setColor(viewport->backgroundRole(), color);
 229         viewport->setPalette(palette);
 230     }
 231
 232     update();
 233
 234     if (active) {
 235         m_container->setFocus();
 236         emit activated();
 237         emit writeStateChanged(m_isFolderWritable);
 238     }
 239 }
 240
 241 bool DolphinView::isActive() const
 242 {
 243     return m_active;
 244 }
 245
 246 void DolphinView::setMode(Mode mode)
 247 {
 248     if (mode != m_mode) {
 249         ViewProperties props(viewPropertiesUrl());
 250         props.setViewMode(mode);
 251         props.save();
 252
 253         applyViewProperties();
 254     }
 255 }
 256
 257 DolphinView::Mode DolphinView::mode() const
 258 {
 259     return m_mode;
 260 }
 261
 262 void DolphinView::setPreviewsShown(bool show)
 263 {
 264     if (previewsShown() == show) {
 265         return;
 266     }
 267
 268     ViewProperties props(viewPropertiesUrl());
 269     props.setPreviewsShown(show);
 270
 271     const int oldZoomLevel = m_view->zoomLevel();
 272     m_view->setPreviewsShown(show);
 273     emit previewsShownChanged(show);
 274
 275     const int newZoomLevel = m_view->zoomLevel();
 276     if (newZoomLevel != oldZoomLevel) {
 277         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 278     }
 279 }
 280
 281 bool DolphinView::previewsShown() const
 282 {
 283     return m_view->previewsShown();
 284 }
 285
 286 void DolphinView::setHiddenFilesShown(bool show)
 287 {
 288     if (m_model->showHiddenFiles() == show) {
 289         return;
 290     }
 291
 292     const KFileItemList itemList = selectedItems();
 293     m_selectedUrls.clear();
 294     m_selectedUrls = itemList.urlList();
 295
 296     ViewProperties props(viewPropertiesUrl());
 297     props.setHiddenFilesShown(show);
 298
 299     m_model->setShowHiddenFiles(show);
 300     emit hiddenFilesShownChanged(show);
 301 }
 302
 303 bool DolphinView::hiddenFilesShown() const
 304 {
 305     return m_model->showHiddenFiles();
 306 }
 307
 308 void DolphinView::setGroupedSorting(bool grouped)
 309 {
 310     if (grouped == groupedSorting()) {
 311         return;
 312     }
 313
 314     ViewProperties props(viewPropertiesUrl());
 315     props.setGroupedSorting(grouped);
 316     props.save();
 317
 318     m_container->controller()->model()->setGroupedSorting(grouped);
 319
 320     emit groupedSortingChanged(grouped);
 321 }
 322
 323 bool DolphinView::groupedSorting() const
 324 {
 325     return m_model->groupedSorting();
 326 }
 327
 328 KFileItemList DolphinView::items() const
 329 {
 330     KFileItemList list;
 331     const int itemCount = m_model->count();
 332     list.reserve(itemCount);
 333
 334     for (int i = 0; i < itemCount; ++i) {
 335         list.append(m_model->fileItem(i));
 336     }
 337
 338     return list;
 339 }
 340
 341 int DolphinView::itemsCount() const
 342 {
 343     return m_model->count();
 344 }
 345
 346 KFileItemList DolphinView::selectedItems() const
 347 {
 348     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 349     QList<int> selectedIndexes = selectionManager->selectedItems().toList();
 350
 351     qSort(selectedIndexes);
 352
 353     KFileItemList selectedItems;
 354     QListIterator<int> it(selectedIndexes);
 355     while (it.hasNext()) {
 356         const int index = it.next();
 357         selectedItems.append(m_model->fileItem(index));
 358     }
 359     return selectedItems;
 360 }
 361
 362 int DolphinView::selectedItemsCount() const
 363 {
 364     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 365     return selectionManager->selectedItems().count();
 366 }
 367
 368 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 369 {
 370     m_selectedUrls = urls;
 371 }
 372
 373 void DolphinView::markUrlAsCurrent(const KUrl& url)
 374 {
 375     m_currentItemUrl = url;
 376     m_scrollToCurrentItem = true;
 377 }
 378
 379 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 380 {
 381     const KItemListSelectionManager::SelectionMode mode = enabled
 382                                                         ? KItemListSelectionManager::Select
 383                                                         : KItemListSelectionManager::Deselect;
 384     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 385
 386     for (int index = 0; index < m_model->count(); index++) {
 387         const KFileItem item = m_model->fileItem(index);
 388         if (pattern.exactMatch(item.text())) {
 389             // An alternative approach would be to store the matching items in a QSet<int> and
 390             // select them in one go after the loop, but we'd need a new function
 391             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 392             // for that.
 393             selectionManager->setSelected(index, 1, mode);
 394         }
 395     }
 396 }
 397
 398 void DolphinView::setZoomLevel(int level)
 399 {
 400     const int oldZoomLevel = zoomLevel();
 401     m_view->setZoomLevel(level);
 402     if (zoomLevel() != oldZoomLevel) {
 403         hideToolTip();
 404         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 405     }
 406 }
 407
 408 int DolphinView::zoomLevel() const
 409 {
 410     return m_view->zoomLevel();
 411 }
 412
 413 void DolphinView::setSortRole(const QByteArray& role)
 414 {
 415     if (role != sortRole()) {
 416         updateSortRole(role);
 417     }
 418 }
 419
 420 QByteArray DolphinView::sortRole() const
 421 {
 422     const KItemModelBase* model = m_container->controller()->model();
 423     return model->sortRole();
 424 }
 425
 426 void DolphinView::setSortOrder(Qt::SortOrder order)
 427 {
 428     if (sortOrder() != order) {
 429         updateSortOrder(order);
 430     }
 431 }
 432
 433 Qt::SortOrder DolphinView::sortOrder() const
 434 {
 435     return m_model->sortOrder();
 436 }
 437
 438 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 439 {
 440     if (sortFoldersFirst() != foldersFirst) {
 441         updateSortFoldersFirst(foldersFirst);
 442     }
 443 }
 444
 445 bool DolphinView::sortFoldersFirst() const
 446 {
 447     return m_model->sortDirectoriesFirst();
 448 }
 449
 450 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 451 {
 452     const QList<QByteArray> previousRoles = roles;
 453
 454     ViewProperties props(viewPropertiesUrl());
 455     props.setVisibleRoles(roles);
 456
 457     m_visibleRoles = roles;
 458     m_view->setVisibleRoles(roles);
 459
 460     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 461 }
 462
 463 QList<QByteArray> DolphinView::visibleRoles() const
 464 {
 465     return m_visibleRoles;
 466 }
 467
 468 void DolphinView::reload()
 469 {
 470     QByteArray viewState;
 471     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 472     saveState(saveStream);
 473
 474     const KFileItemList itemList = selectedItems();
 475     m_selectedUrls.clear();
 476     m_selectedUrls = itemList.urlList();
 477
 478     setUrl(url());
 479     loadDirectory(url(), true);
 480
 481     QDataStream restoreStream(viewState);
 482     restoreState(restoreStream);
 483 }
 484
 485 void DolphinView::stopLoading()
 486 {
 487     m_model->cancelDirectoryLoading();
 488 }
 489
 490 void DolphinView::readSettings()
 491 {
 492     const int oldZoomLevel = m_view->zoomLevel();
 493
 494     GeneralSettings::self()->readConfig();
 495     m_view->readSettings();
 496     applyViewProperties();
 497
 498     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 499     m_container->controller()->setAutoActivationDelay(delay);
 500
 501     const int newZoomLevel = m_view->zoomLevel();
 502     if (newZoomLevel != oldZoomLevel) {
 503         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 504     }
 505 }
 506
 507 void DolphinView::writeSettings()
 508 {
 509     GeneralSettings::self()->writeConfig();
 510     m_view->writeSettings();
 511 }
 512
 513 void DolphinView::setNameFilter(const QString& nameFilter)
 514 {
 515     m_model->setNameFilter(nameFilter);
 516 }
 517
 518 QString DolphinView::nameFilter() const
 519 {
 520     return m_model->nameFilter();
 521 }
 522
 523 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 524 {
 525     return m_model->setMimeTypeFilters(filters);
 526 }
 527
 528 QStringList DolphinView::mimeTypeFilters() const
 529 {
 530     return m_model->mimeTypeFilters();
 531 }
 532
 533 QString DolphinView::statusBarText() const
 534 {
 535     QString summary;
 536     QString foldersText;
 537     QString filesText;
 538
 539     int folderCount = 0;
 540     int fileCount = 0;
 541     KIO::filesize_t totalFileSize = 0;
 542
 543     if (m_container->controller()->selectionManager()->hasSelection()) {
 544         // Give a summary of the status of the selected files
 545         const KFileItemList list = selectedItems();
 546         foreach (const KFileItem& item, list) {
 547             if (item.isDir()) {
 548                 ++folderCount;
 549             } else {
 550                 ++fileCount;
 551                 totalFileSize += item.size();
 552             }
 553         }
 554
 555         if (folderCount + fileCount == 1) {
 556             // If only one item is selected, show the filename
 557             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 558         } else {
 559             // At least 2 items are selected
 560             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 561             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 562         }
 563     } else {
 564         calculateItemCount(fileCount, folderCount, totalFileSize);
 565         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 566         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 567     }
 568
 569     if (fileCount > 0 && folderCount > 0) {
 570         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 571                         foldersText, filesText,
 572                         KGlobal::locale()->formatByteSize(totalFileSize));
 573     } else if (fileCount > 0) {
 574         summary = i18nc("@info:status files (size)", "%1 (%2)",
 575                         filesText,
 576                         KGlobal::locale()->formatByteSize(totalFileSize));
 577     } else if (folderCount > 0) {
 578         summary = foldersText;
 579     } else {
 580         summary = i18nc("@info:status", "0 Folders, 0 Files");
 581     }
 582
 583     return summary;
 584 }
 585
 586 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 587 {
 588     QList<QAction*> actions;
 589
 590     if (items.isEmpty()) {
 591         const KFileItem item = m_model->rootItem();
 592         if (!item.isNull()) {
 593             actions = m_versionControlObserver->actions(KFileItemList() << item);
 594         }
 595     } else {
 596         actions = m_versionControlObserver->actions(items);
 597     }
 598
 599     return actions;
 600 }
 601
 602 void DolphinView::setUrl(const KUrl& url)
 603 {
 604     if (url == m_url) {
 605         return;
 606     }
 607
 608     clearSelection();
 609
 610     emit urlAboutToBeChanged(url);
 611     m_url = url;
 612
 613     hideToolTip();
 614
 615     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 616                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 617
 618     // It is important to clear the items from the model before
 619     // applying the view properties, otherwise expensive operations
 620     // might be done on the existing items although they get cleared
 621     // anyhow afterwards by loadDirectory().
 622     m_model->clear();
 623     applyViewProperties();
 624     loadDirectory(url);
 625
 626     emit urlChanged(url);
 627 }
 628
 629 void DolphinView::selectAll()
 630 {
 631     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 632     selectionManager->setSelected(0, m_model->count());
 633 }
 634
 635 void DolphinView::invertSelection()
 636 {
 637     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 638     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 639 }
 640
 641 void DolphinView::clearSelection()
 642 {
 643     m_selectedUrls.clear();
 644     m_container->controller()->selectionManager()->clearSelection();
 645 }
 646
 647 void DolphinView::renameSelectedItems()
 648 {
 649     const KFileItemList items = selectedItems();
 650     if (items.isEmpty()) {
 651         return;
 652     }
 653
 654     if (items.count() == 1 && GeneralSettings::renameInline()) {
 655         const int index = m_model->index(items.first());
 656         m_view->editRole(index, "text");
 657
 658         connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 659                 this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 660     } else {
 661         RenameDialog* dialog = new RenameDialog(this, items);
 662         dialog->setAttribute(Qt::WA_DeleteOnClose);
 663         dialog->show();
 664         dialog->raise();
 665         dialog->activateWindow();
 666     }
 667
 668     // Assure that the current index remains visible when KFileItemModel
 669     // will notify the view about changed items (which might result in
 670     // a changed sorting).
 671     m_assureVisibleCurrentIndex = true;
 672 }
 673
 674 void DolphinView::trashSelectedItems()
 675 {
 676     const KUrl::List list = simplifiedSelectedUrls();
 677     KonqOperations::del(this, KonqOperations::TRASH, list);
 678 }
 679
 680 void DolphinView::deleteSelectedItems()
 681 {
 682     const KUrl::List list = simplifiedSelectedUrls();
 683     const bool del = KonqOperations::askDeleteConfirmation(list,
 684                      KonqOperations::DEL,
 685                      KonqOperations::DEFAULT_CONFIRMATION,
 686                      this);
 687
 688     if (del) {
 689         KIO::Job* job = KIO::del(list);
 690         if (job->ui()) {
 691             job->ui()->setWindow(this);
 692         }
 693         connect(job, SIGNAL(result(KJob*)),
 694                 this, SLOT(slotDeleteFileFinished(KJob*)));
 695     }
 696 }
 697
 698 void DolphinView::cutSelectedItems()
 699 {
 700     QMimeData* mimeData = selectionMimeData();
 701     KonqMimeData::addIsCutSelection(mimeData, true);
 702     QApplication::clipboard()->setMimeData(mimeData);
 703 }
 704
 705 void DolphinView::copySelectedItems()
 706 {
 707     QMimeData* mimeData = selectionMimeData();
 708     QApplication::clipboard()->setMimeData(mimeData);
 709 }
 710
 711 void DolphinView::paste()
 712 {
 713     pasteToUrl(url());
 714 }
 715
 716 void DolphinView::pasteIntoFolder()
 717 {
 718     const KFileItemList items = selectedItems();
 719     if ((items.count() == 1) && items.first().isDir()) {
 720         pasteToUrl(items.first().url());
 721     }
 722 }
 723
 724 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 725 {
 726     switch (event->type()) {
 727     case QEvent::FocusIn:
 728         if (watched == m_container) {
 729             setActive(true);
 730         }
 731         break;
 732
 733     case QEvent::GraphicsSceneDragEnter:
 734         if (watched == m_view) {
 735             m_dragging = true;
 736         }
 737         break;
 738
 739     case QEvent::GraphicsSceneDragLeave:
 740         if (watched == m_view) {
 741             m_dragging = false;
 742         }
 743         break;
 744
 745     case QEvent::GraphicsSceneDrop:
 746         if (watched == m_view) {
 747             m_dragging = false;
 748         }
 749     default:
 750         break;
 751     }
 752
 753     return QWidget::eventFilter(watched, event);
 754 }
 755
 756 void DolphinView::wheelEvent(QWheelEvent* event)
 757 {
 758     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 759         const int numDegrees = event->delta() / 8;
 760         const int numSteps = numDegrees / 15;
 761
 762         setZoomLevel(zoomLevel() + numSteps);
 763         event->accept();
 764     } else {
 765         event->ignore();
 766     }
 767 }
 768
 769 void DolphinView::hideEvent(QHideEvent* event)
 770 {
 771     hideToolTip();
 772     QWidget::hideEvent(event);
 773 }
 774
 775 bool DolphinView::event(QEvent* event)
 776 {
 777     /* See Bug 297355
 778      * Dolphin leaves file preview tooltips open even when is not visible.
 779      *
 780      * Hide tool-tip when Dolphin loses focus.
 781      */
 782     if (event->type() == QEvent::WindowDeactivate) {
 783         hideToolTip();
 784     }
 785
 786     return QWidget::event(event);
 787 }
 788
 789 void DolphinView::activate()
 790 {
 791     setActive(true);
 792 }
 793
 794 void DolphinView::slotItemActivated(int index)
 795 {
 796     const KFileItem item = m_model->fileItem(index);
 797     if (!item.isNull()) {
 798         emit itemActivated(item);
 799     }
 800 }
 801
 802 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 803 {
 804     Q_ASSERT(indexes.count() >= 2);
 805
 806     if (indexes.count() > 5) {
 807         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 808         const int answer = KMessageBox::warningYesNo(this, question);
 809         if (answer != KMessageBox::Yes) {
 810             return;
 811         }
 812     }
 813
 814     KFileItemList items;
 815     items.reserve(indexes.count());
 816
 817     QSetIterator<int> it(indexes);
 818     while (it.hasNext()) {
 819         const int index = it.next();
 820         KFileItem item = m_model->fileItem(index);
 821         const KUrl& url = openItemAsFolderUrl(item);
 822
 823         if (!url.isEmpty()) { // Open folders in new tabs
 824             emit tabRequested(url);
 825         } else {
 826             items.append(item);
 827         }
 828     }
 829
 830     if (items.count() == 1) {
 831         emit itemActivated(items.first());
 832     } else if (items.count() > 1) {
 833         emit itemsActivated(items);
 834     }
 835 }
 836
 837 void DolphinView::slotItemMiddleClicked(int index)
 838 {
 839     const KFileItem& item = m_model->fileItem(index);
 840     const KUrl& url = openItemAsFolderUrl(item);
 841     if (!url.isEmpty()) {
 842         emit tabRequested(url);
 843     } else if (isTabsForFilesEnabled()) {
 844         emit tabRequested(item.url());
 845     }
 846 }
 847
 848 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 849 {
 850     const KFileItem item = m_model->fileItem(index);
 851     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 852 }
 853
 854 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 855 {
 856     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 857 }
 858
 859 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 860 {
 861     ViewProperties props(viewPropertiesUrl());
 862
 863     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 864
 865     KItemListView* view = m_container->controller()->view();
 866     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 867
 868     bool nepomukRunning = false;
 869     bool indexingEnabled = false;
 870 #ifdef HAVE_NEPOMUK
 871     nepomukRunning = (Nepomuk2::ResourceManager::instance()->initialized());
 872     if (nepomukRunning) {
 873         KConfig config("nepomukserverrc");
 874         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
 875     }
 876 #endif
 877
 878     QString groupName;
 879     QMenu* groupMenu = 0;
 880
 881     // Add all roles to the menu that can be shown or hidden by the user
 882     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 883     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 884         if (info.role == "text") {
 885             // It should not be possible to hide the "text" role
 886             continue;
 887         }
 888
 889         const QString text = m_model->roleDescription(info.role);
 890         QAction* action = 0;
 891         if (info.group.isEmpty()) {
 892             action = menu->addAction(text);
 893         } else {
 894             if (!groupMenu || info.group != groupName) {
 895                 groupName = info.group;
 896                 groupMenu = menu->addMenu(groupName);
 897             }
 898
 899             action = groupMenu->addAction(text);
 900         }
 901
 902         action->setCheckable(true);
 903         action->setChecked(visibleRolesSet.contains(info.role));
 904         action->setData(info.role);
 905
 906         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 907                             (info.requiresNepomuk && nepomukRunning) ||
 908                             (info.requiresIndexer && indexingEnabled);
 909         action->setEnabled(enable);
 910     }
 911
 912     menu->addSeparator();
 913
 914     QActionGroup* widthsGroup = new QActionGroup(menu);
 915     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 916
 917     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 918     autoAdjustWidthsAction->setCheckable(true);
 919     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 920     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 921
 922     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 923     customWidthsAction->setCheckable(true);
 924     customWidthsAction->setChecked(!autoColumnWidths);
 925     customWidthsAction->setActionGroup(widthsGroup);
 926
 927     QAction* action = menu->exec(pos.toPoint());
 928     if (menu && action) {
 929         KItemListHeader* header = view->header();
 930
 931         if (action == autoAdjustWidthsAction) {
 932             // Clear the column-widths from the viewproperties and turn on
 933             // the automatic resizing of the columns
 934             props.setHeaderColumnWidths(QList<int>());
 935             header->setAutomaticColumnResizing(true);
 936         } else if (action == customWidthsAction) {
 937             // Apply the current column-widths as custom column-widths and turn
 938             // off the automatic resizing of the columns
 939             QList<int> columnWidths;
 940             foreach (const QByteArray& role, view->visibleRoles()) {
 941                 columnWidths.append(header->columnWidth(role));
 942             }
 943             props.setHeaderColumnWidths(columnWidths);
 944             header->setAutomaticColumnResizing(false);
 945         } else {
 946             // Show or hide the selected role
 947             const QByteArray selectedRole = action->data().toByteArray();
 948
 949             QList<QByteArray> visibleRoles = view->visibleRoles();
 950             if (action->isChecked()) {
 951                 visibleRoles.append(selectedRole);
 952             } else {
 953                 visibleRoles.removeOne(selectedRole);
 954             }
 955
 956             view->setVisibleRoles(visibleRoles);
 957             props.setVisibleRoles(visibleRoles);
 958
 959             QList<int> columnWidths;
 960             if (!header->automaticColumnResizing()) {
 961                 foreach (const QByteArray& role, view->visibleRoles()) {
 962                     columnWidths.append(header->columnWidth(role));
 963                 }
 964             }
 965             props.setHeaderColumnWidths(columnWidths);
 966         }
 967     }
 968
 969     delete menu;
 970 }
 971
 972 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 973 {
 974     Q_UNUSED(previous);
 975
 976     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 977
 978     ViewProperties props(viewPropertiesUrl());
 979     QList<int> columnWidths = props.headerColumnWidths();
 980     if (columnWidths.count() != visibleRoles.count()) {
 981         columnWidths.clear();
 982         columnWidths.reserve(visibleRoles.count());
 983         const KItemListHeader* header = m_view->header();
 984         foreach (const QByteArray& role, visibleRoles) {
 985             const int width = header->columnWidth(role);
 986             columnWidths.append(width);
 987         }
 988     }
 989
 990     const int roleIndex = visibleRoles.indexOf(role);
 991     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 992     columnWidths[roleIndex] = current;
 993
 994     props.setHeaderColumnWidths(columnWidths);
 995 }
 996
 997 void DolphinView::slotItemHovered(int index)
 998 {
 999     const KFileItem item = m_model->fileItem(index);
1000
1001     if (GeneralSettings::showToolTips() && !m_dragging) {
1002         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1003         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1004         itemRect.moveTo(pos);
1005
1006         m_toolTipManager->showToolTip(item, itemRect);
1007     }
1008
1009     emit requestItemInfo(item);
1010 }
1011
1012 void DolphinView::slotItemUnhovered(int index)
1013 {
1014     Q_UNUSED(index);
1015     hideToolTip();
1016     emit requestItemInfo(KFileItem());
1017 }
1018
1019 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1020 {
1021     KUrl destUrl;
1022     KFileItem destItem = m_model->fileItem(index);
1023     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1024         // Use the URL of the view as drop target if the item is no directory
1025         // or desktop-file
1026         destItem = m_model->rootItem();
1027         destUrl = url();
1028     } else {
1029         // The item represents a directory or desktop-file
1030         destUrl = destItem.url();
1031     }
1032
1033     QDropEvent dropEvent(event->pos().toPoint(),
1034                          event->possibleActions(),
1035                          event->mimeData(),
1036                          event->buttons(),
1037                          event->modifiers());
1038
1039     QString error;
1040     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1041     if (!error.isEmpty()) {
1042         emit infoMessage(error);
1043     }
1044
1045     if (op && destUrl == url()) {
1046         // Mark the dropped urls as selected.
1047         m_clearSelectionBeforeSelectingNewItems = true;
1048         connect(op, SIGNAL(urlPasted(KUrl)), this, SLOT(slotUrlPasted(KUrl)));
1049     }
1050
1051     setActive(true);
1052 }
1053
1054 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1055 {
1056     if (previous != 0) {
1057         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1058         m_versionControlObserver->setModel(0);
1059     }
1060
1061     if (current) {
1062         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1063         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1064
1065         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1066         m_versionControlObserver->setModel(fileItemModel);
1067     }
1068 }
1069
1070 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1071 {
1072     hideToolTip();
1073
1074     if (itemIndex < 0) {
1075         // Trigger the history navigation only when clicking on the viewport:
1076         // Above an item the XButtons provide a simple way to select items in
1077         // the singleClick mode.
1078         if (buttons & Qt::XButton1) {
1079             emit goBackRequested();
1080         } else if (buttons & Qt::XButton2) {
1081             emit goForwardRequested();
1082         }
1083     }
1084 }
1085
1086 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1087 {
1088     if (!urls.isEmpty()) {
1089         if (m_markFirstNewlySelectedItemAsCurrent) {
1090             markUrlAsCurrent(urls.first());
1091             m_markFirstNewlySelectedItemAsCurrent = false;
1092         }
1093         m_selectedUrls << urls;
1094     }
1095 }
1096
1097 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1098 {
1099     const int currentCount = current.count();
1100     const int previousCount = previous.count();
1101     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1102                                        (currentCount >  0 && previousCount == 0);
1103
1104     // If nothing has been selected before and something got selected (or if something
1105     // was selected before and now nothing is selected) the selectionChangedSignal must
1106     // be emitted asynchronously as fast as possible to update the edit-actions.
1107     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1108     m_selectionChangedTimer->start();
1109 }
1110
1111 void DolphinView::emitSelectionChangedSignal()
1112 {
1113     m_selectionChangedTimer->stop();
1114     emit selectionChanged(selectedItems());
1115 }
1116
1117 void DolphinView::updateSortRole(const QByteArray& role)
1118 {
1119     ViewProperties props(viewPropertiesUrl());
1120     props.setSortRole(role);
1121
1122     KItemModelBase* model = m_container->controller()->model();
1123     model->setSortRole(role);
1124
1125     emit sortRoleChanged(role);
1126 }
1127
1128 void DolphinView::updateSortOrder(Qt::SortOrder order)
1129 {
1130     ViewProperties props(viewPropertiesUrl());
1131     props.setSortOrder(order);
1132
1133     m_model->setSortOrder(order);
1134
1135     emit sortOrderChanged(order);
1136 }
1137
1138 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1139 {
1140     ViewProperties props(viewPropertiesUrl());
1141     props.setSortFoldersFirst(foldersFirst);
1142
1143     m_model->setSortDirectoriesFirst(foldersFirst);
1144
1145     emit sortFoldersFirstChanged(foldersFirst);
1146 }
1147
1148 QPair<bool, QString> DolphinView::pasteInfo() const
1149 {
1150     return KonqOperations::pasteInfo(url());
1151 }
1152
1153 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1154 {
1155     m_tabsForFiles = tabsForFiles;
1156 }
1157
1158 bool DolphinView::isTabsForFilesEnabled() const
1159 {
1160     return m_tabsForFiles;
1161 }
1162
1163 bool DolphinView::itemsExpandable() const
1164 {
1165     return m_mode == DetailsView;
1166 }
1167
1168 void DolphinView::restoreState(QDataStream& stream)
1169 {
1170     // Restore the current item that had the keyboard focus
1171     stream >> m_currentItemUrl;
1172
1173     // Restore the view position
1174     stream >> m_restoredContentsPosition;
1175
1176     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1177     QSet<KUrl> urls;
1178     stream >> urls;
1179     m_model->restoreExpandedDirectories(urls);
1180 }
1181
1182 void DolphinView::saveState(QDataStream& stream)
1183 {
1184     // Save the current item that has the keyboard focus
1185     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1186     if (currentIndex != -1) {
1187         KFileItem item = m_model->fileItem(currentIndex);
1188         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1189         KUrl currentItemUrl = item.url();
1190         stream << currentItemUrl;
1191     } else {
1192         stream << KUrl();
1193     }
1194
1195     // Save view position
1196     const qreal x = m_container->horizontalScrollBar()->value();
1197     const qreal y = m_container->verticalScrollBar()->value();
1198     stream << QPoint(x, y);
1199
1200     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1201     stream << m_model->expandedDirectories();
1202 }
1203
1204 KFileItem DolphinView::rootItem() const
1205 {
1206     return m_model->rootItem();
1207 }
1208
1209 void DolphinView::setViewPropertiesContext(const QString& context)
1210 {
1211     m_viewPropertiesContext = context;
1212 }
1213
1214 QString DolphinView::viewPropertiesContext() const
1215 {
1216     return m_viewPropertiesContext;
1217 }
1218
1219 KUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1220 {
1221     if (item.isNull()) {
1222         return KUrl();
1223     }
1224
1225     KUrl url = item.targetUrl();
1226
1227     if (item.isDir()) {
1228         return url;
1229     }
1230
1231     if (item.isMimeTypeKnown()) {
1232         const QString& mimetype = item.mimetype();
1233
1234         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1235             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1236             // zip:/<path>/ when clicking on a zip file, etc.
1237             // The .protocol file specifies the mimetype that the kioslave handles.
1238             // Note that we don't use mimetype inheritance since we don't want to
1239             // open OpenDocument files as zip folders...
1240             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1241             if (!protocol.isEmpty()) {
1242                 url.setProtocol(protocol);
1243                 return url;
1244             }
1245         }
1246
1247         if (mimetype == QLatin1String("application/x-desktop")) {
1248             // Redirect to the URL in Type=Link desktop files
1249             KDesktopFile desktopFile(url.toLocalFile());
1250             if (desktopFile.hasLinkType()) {
1251                 return desktopFile.readUrl();
1252             }
1253         }
1254     }
1255
1256     return KUrl();
1257 }
1258
1259 void DolphinView::observeCreatedItem(const KUrl& url)
1260 {
1261     if (m_active) {
1262         clearSelection();
1263         markUrlAsCurrent(url);
1264         markUrlsAsSelected(QList<KUrl>() << url);
1265     }
1266 }
1267
1268 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1269 {
1270     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1271         emit redirection(oldUrl, newUrl);
1272         m_url = newUrl; // #186947
1273     }
1274 }
1275
1276 void DolphinView::updateViewState()
1277 {
1278     if (m_currentItemUrl != KUrl()) {
1279         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1280         const int currentIndex = m_model->index(m_currentItemUrl);
1281         if (currentIndex != -1) {
1282             selectionManager->setCurrentItem(currentIndex);
1283
1284             // scroll to current item and reset the state
1285             if (m_scrollToCurrentItem) {
1286                 m_view->scrollToItem(currentIndex);
1287                 m_scrollToCurrentItem = false;
1288             }
1289
1290             m_currentItemUrl = KUrl();
1291         } else {
1292             selectionManager->setCurrentItem(0);
1293         }
1294     }
1295
1296     if (!m_restoredContentsPosition.isNull()) {
1297         const int x = m_restoredContentsPosition.x();
1298         const int y = m_restoredContentsPosition.y();
1299         m_restoredContentsPosition = QPoint();
1300
1301         m_container->horizontalScrollBar()->setValue(x);
1302         m_container->verticalScrollBar()->setValue(y);
1303     }
1304
1305     if (!m_selectedUrls.isEmpty()) {
1306         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1307
1308         if (m_clearSelectionBeforeSelectingNewItems) {
1309             selectionManager->clearSelection();
1310             m_clearSelectionBeforeSelectingNewItems = false;
1311         }
1312
1313         QSet<int> selectedItems = selectionManager->selectedItems();
1314
1315         QList<KUrl>::iterator it = m_selectedUrls.begin();
1316         while (it != m_selectedUrls.end()) {
1317             const int index = m_model->index(*it);
1318             if (index >= 0) {
1319                 selectedItems.insert(index);
1320                 it = m_selectedUrls.erase(it);
1321             } else {
1322                  ++it;
1323             }
1324         }
1325
1326         selectionManager->setSelectedItems(selectedItems);
1327     }
1328 }
1329
1330 void DolphinView::hideToolTip()
1331 {
1332     if (GeneralSettings::showToolTips()) {
1333         m_toolTipManager->hideToolTip();
1334     }
1335 }
1336
1337 void DolphinView::calculateItemCount(int& fileCount,
1338                                      int& folderCount,
1339                                      KIO::filesize_t& totalFileSize) const
1340 {
1341     const int itemCount = m_model->count();
1342     for (int i = 0; i < itemCount; ++i) {
1343         const KFileItem item = m_model->fileItem(i);
1344         if (item.isDir()) {
1345             ++folderCount;
1346         } else {
1347             ++fileCount;
1348             totalFileSize += item.size();
1349         }
1350     }
1351 }
1352
1353 void DolphinView::showHoverInformation(const KFileItem& item)
1354 {
1355     emit requestItemInfo(item);
1356 }
1357
1358 void DolphinView::clearHoverInformation()
1359 {
1360     emit requestItemInfo(KFileItem());
1361 }
1362
1363 void DolphinView::slotDeleteFileFinished(KJob* job)
1364 {
1365     if (job->error() == 0) {
1366         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1367     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1368         emit errorMessage(job->errorString());
1369     }
1370 }
1371
1372 void DolphinView::slotRenamingFailed(const KUrl& oldUrl, const KUrl& newUrl)
1373 {
1374     const int index = m_model->index(newUrl);
1375     if (index >= 0) {
1376         QHash<QByteArray, QVariant> data;
1377         data.insert("text", oldUrl.fileName());
1378         m_model->setData(index, data);
1379     }
1380 }
1381
1382 void DolphinView::slotDirectoryLoadingStarted()
1383 {
1384     // Disable the writestate temporary until it can be determined in a fast way
1385     // in DolphinView::slotLoadingCompleted()
1386     if (m_isFolderWritable) {
1387         m_isFolderWritable = false;
1388         emit writeStateChanged(m_isFolderWritable);
1389     }
1390
1391     emit directoryLoadingStarted();
1392 }
1393
1394 void DolphinView::slotDirectoryLoadingCompleted()
1395 {
1396     // Update the view-state. This has to be done asynchronously
1397     // because the view might not be in its final state yet.
1398     QTimer::singleShot(0, this, SLOT(updateViewState()));
1399
1400     emit directoryLoadingCompleted();
1401
1402     updateWritableState();
1403 }
1404
1405 void DolphinView::slotItemsChanged()
1406 {
1407     m_assureVisibleCurrentIndex = false;
1408 }
1409
1410 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1411 {
1412     Q_UNUSED(previous);
1413     Q_ASSERT(m_model->sortOrder() == current);
1414
1415     ViewProperties props(viewPropertiesUrl());
1416     props.setSortOrder(current);
1417
1418     emit sortOrderChanged(current);
1419 }
1420
1421 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1422 {
1423     Q_UNUSED(previous);
1424     Q_ASSERT(m_model->sortRole() == current);
1425
1426     ViewProperties props(viewPropertiesUrl());
1427     props.setSortRole(current);
1428
1429     emit sortRoleChanged(current);
1430 }
1431
1432 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1433                                                   const QList<QByteArray>& previous)
1434 {
1435     Q_UNUSED(previous);
1436     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1437
1438     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1439
1440     m_visibleRoles = current;
1441
1442     ViewProperties props(viewPropertiesUrl());
1443     props.setVisibleRoles(m_visibleRoles);
1444
1445     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1446 }
1447
1448 void DolphinView::slotRoleEditingCanceled()
1449 {
1450     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1451                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1452 }
1453
1454 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1455 {
1456     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1457                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1458
1459     if (index < 0 || index >= m_model->count()) {
1460         return;
1461     }
1462
1463     if (role == "text") {
1464         const KFileItem oldItem = m_model->fileItem(index);
1465         const QString newName = value.toString();
1466         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1467             const KUrl oldUrl = oldItem.url();
1468
1469             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1470             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1471             if (!newNameExistsAlready) {
1472                 // Only change the data in the model if no item with the new name
1473                 // is in the model yet. If there is an item with the new name
1474                 // already, calling KonqOperations::rename() will open a dialog
1475                 // asking for a new name, and KFileItemModel will update the
1476                 // data when the dir lister signals that the file name has changed.
1477                 QHash<QByteArray, QVariant> data;
1478                 data.insert(role, value);
1479                 m_model->setData(index, data);
1480             }
1481
1482             KonqOperations* op = KonqOperations::renameV2(this, oldUrl, newName);
1483             if (op) {
1484                 connect(op, SIGNAL(renamingFailed(KUrl,KUrl)), SLOT(slotRenamingFailed(KUrl,KUrl)));
1485             }
1486         }
1487     }
1488 }
1489
1490 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1491 {
1492     if (!url.isValid()) {
1493         const QString location(url.pathOrUrl());
1494         if (location.isEmpty()) {
1495             emit errorMessage(i18nc("@info:status", "The location is empty."));
1496         } else {
1497             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1498         }
1499         return;
1500     }
1501
1502     if (reload) {
1503         m_model->refreshDirectory(url);
1504     } else {
1505         m_model->loadDirectory(url);
1506     }
1507 }
1508
1509 void DolphinView::applyViewProperties()
1510 {
1511     m_view->beginTransaction();
1512
1513     const ViewProperties props(viewPropertiesUrl());
1514
1515     const Mode mode = props.viewMode();
1516     if (m_mode != mode) {
1517         const Mode previousMode = m_mode;
1518         m_mode = mode;
1519
1520         // Changing the mode might result in changing
1521         // the zoom level. Remember the old zoom level so
1522         // that zoomLevelChanged() can get emitted.
1523         const int oldZoomLevel = m_view->zoomLevel();
1524         applyModeToView();
1525
1526         emit modeChanged(m_mode, previousMode);
1527
1528         if (m_view->zoomLevel() != oldZoomLevel) {
1529             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1530         }
1531     }
1532
1533     const bool hiddenFilesShown = props.hiddenFilesShown();
1534     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1535         m_model->setShowHiddenFiles(hiddenFilesShown);
1536         emit hiddenFilesShownChanged(hiddenFilesShown);
1537     }
1538
1539     const bool groupedSorting = props.groupedSorting();
1540     if (groupedSorting != m_model->groupedSorting()) {
1541         m_model->setGroupedSorting(groupedSorting);
1542         emit groupedSortingChanged(groupedSorting);
1543     }
1544
1545     const QByteArray sortRole = props.sortRole();
1546     if (sortRole != m_model->sortRole()) {
1547         m_model->setSortRole(sortRole);
1548         emit sortRoleChanged(sortRole);
1549     }
1550
1551     const Qt::SortOrder sortOrder = props.sortOrder();
1552     if (sortOrder != m_model->sortOrder()) {
1553         m_model->setSortOrder(sortOrder);
1554         emit sortOrderChanged(sortOrder);
1555     }
1556
1557     const bool sortFoldersFirst = props.sortFoldersFirst();
1558     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1559         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1560         emit sortFoldersFirstChanged(sortFoldersFirst);
1561     }
1562
1563     const QList<QByteArray> visibleRoles = props.visibleRoles();
1564     if (visibleRoles != m_visibleRoles) {
1565         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1566         m_visibleRoles = visibleRoles;
1567         m_view->setVisibleRoles(visibleRoles);
1568         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1569     }
1570
1571     const bool previewsShown = props.previewsShown();
1572     if (previewsShown != m_view->previewsShown()) {
1573         const int oldZoomLevel = zoomLevel();
1574
1575         m_view->setPreviewsShown(previewsShown);
1576         emit previewsShownChanged(previewsShown);
1577
1578         // Changing the preview-state might result in a changed zoom-level
1579         if (oldZoomLevel != zoomLevel()) {
1580             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1581         }
1582     }
1583
1584     KItemListView* itemListView = m_container->controller()->view();
1585     if (itemListView->isHeaderVisible()) {
1586         KItemListHeader* header = itemListView->header();
1587         const QList<int> headerColumnWidths = props.headerColumnWidths();
1588         const int rolesCount = m_visibleRoles.count();
1589         if (headerColumnWidths.count() == rolesCount) {
1590             header->setAutomaticColumnResizing(false);
1591
1592             QHash<QByteArray, qreal> columnWidths;
1593             for (int i = 0; i < rolesCount; ++i) {
1594                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1595             }
1596             header->setColumnWidths(columnWidths);
1597         } else {
1598             header->setAutomaticColumnResizing(true);
1599         }
1600     }
1601
1602     m_view->endTransaction();
1603 }
1604
1605 void DolphinView::applyModeToView()
1606 {
1607     switch (m_mode) {
1608     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1609     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1610     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1611     default: Q_ASSERT(false); break;
1612     }
1613 }
1614
1615 void DolphinView::pasteToUrl(const KUrl& url)
1616 {
1617     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1618     if (op) {
1619         m_clearSelectionBeforeSelectingNewItems = true;
1620         m_markFirstNewlySelectedItemAsCurrent = true;
1621         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1622     }
1623 }
1624
1625 KUrl::List DolphinView::simplifiedSelectedUrls() const
1626 {
1627     KUrl::List urls;
1628
1629     const KFileItemList items = selectedItems();
1630     foreach (const KFileItem& item, items) {
1631         urls.append(item.url());
1632     }
1633
1634     if (itemsExpandable()) {
1635         // TODO: Check if we still need KDirModel for this in KDE 5.0
1636         urls = KDirModel::simplifiedUrlList(urls);
1637     }
1638
1639     return urls;
1640 }
1641
1642 QMimeData* DolphinView::selectionMimeData() const
1643 {
1644     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1645     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1646
1647     return m_model->createMimeData(selectedIndexes);
1648 }
1649
1650 void DolphinView::updateWritableState()
1651 {
1652     const bool wasFolderWritable = m_isFolderWritable;
1653     m_isFolderWritable = true;
1654
1655     const KFileItem item = m_model->rootItem();
1656     if (!item.isNull()) {
1657         KFileItemListProperties capabilities(KFileItemList() << item);
1658         m_isFolderWritable = capabilities.supportsWriting();
1659     }
1660     if (m_isFolderWritable != wasFolderWritable) {
1661         emit writeStateChanged(m_isFolderWritable);
1662     }
1663 }
1664
1665 KUrl DolphinView::viewPropertiesUrl() const
1666 {
1667     if (m_viewPropertiesContext.isEmpty()) {
1668         return m_url;
1669     }
1670
1671     KUrl url;
1672     url.setProtocol(m_url.protocol());
1673     url.setPath(m_viewPropertiesContext);
1674     return url;
1675 }
1676
1677 #include "dolphinview.moc"