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 <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QBoxLayout>
  26 #include <QClipboard>
  27 #include <QDropEvent>
  28 #include <QGraphicsSceneDragDropEvent>
  29 #include <QKeyEvent>
  30 #include <QItemSelection>
  31 #include <QTimer>
  32 #include <QScrollBar>
  33
  34 #include <KActionCollection>
  35 #include <KColorScheme>
  36 #include <KDirLister>
  37 #include <KDirModel>
  38 #include <KIconEffect>
  39 #include <KFileItem>
  40 #include <KFileItemListProperties>
  41 #include <KLocale>
  42 #include <kitemviews/kfileitemmodel.h>
  43 #include <kitemviews/kfileitemlistview.h>
  44 #include <kitemviews/kitemlistselectionmanager.h>
  45 #include <kitemviews/kitemlistview.h>
  46 #include <kitemviews/kitemlistcontroller.h>
  47 #include <KIO/DeleteJob>
  48 #include <KIO/NetAccess>
  49 #include <KIO/PreviewJob>
  50 #include <KJob>
  51 #include <KMenu>
  52 #include <KMessageBox>
  53 #include <konq_fileitemcapabilities.h>
  54 #include <konq_operations.h>
  55 #include <konqmimedata.h>
  56 #include <KToggleAction>
  57 #include <KUrl>
  58
  59 #include "additionalinfoaccessor.h"
  60 #include "dolphindirlister.h"
  61 #include "dolphinnewfilemenuobserver.h"
  62 #include "dolphin_detailsmodesettings.h"
  63 #include "dolphin_generalsettings.h"
  64 #include "dolphinitemlistcontainer.h"
  65 #include "draganddrophelper.h"
  66 #include "renamedialog.h"
  67 #include "settings/dolphinsettings.h"
  68 #include "versioncontrol/versioncontrolobserver.h"
  69 #include "viewmodecontroller.h"
  70 #include "viewproperties.h"
  71 #include "views/tooltips/tooltipmanager.h"
  72 #include "zoomlevelinfo.h"
  73
  74 namespace {
  75     const int MaxModeEnum = DolphinView::CompactView;
  76     const int MaxSortingEnum = DolphinView::SortByPath;
  77 };
  78
  79 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  80     QWidget(parent),
  81     m_active(true),
  82     m_tabsForFiles(false),
  83     m_assureVisibleCurrentIndex(false),
  84     m_isFolderWritable(true),
  85     m_url(url),
  86     m_mode(DolphinView::IconsView),
  87     m_additionalInfoList(),
  88     m_topLayout(0),
  89     m_dirLister(0),
  90     m_container(0),
  91     m_toolTipManager(0),
  92     m_selectionChangedTimer(0),
  93     m_currentItemIndex(-1),
  94     m_restoredContentsPosition(),
  95     m_createdItemUrl(),
  96     m_selectedItems(),
  97     m_versionControlObserver(0)
  98 {
  99     m_topLayout = new QVBoxLayout(this);
 100     m_topLayout->setSpacing(0);
 101     m_topLayout->setMargin(0);
 102
 103     //m_dolphinViewController = new DolphinViewController(this);
 104
 105     //m_viewModeController = new ViewModeController(this);
 106     //m_viewModeController->setUrl(url);
 107
 108     /*connect(m_viewModeController, SIGNAL(urlChanged(KUrl)),
 109             this, SIGNAL(urlChanged(KUrl)));
 110
 111     connect(m_dolphinViewController, SIGNAL(requestContextMenu(QPoint,QList<QAction*>)),
 112             this, SLOT(openContextMenu(QPoint,QList<QAction*>)));
 113     connect(m_dolphinViewController, SIGNAL(urlsDropped(KFileItem,KUrl,QDropEvent*)),
 114             this, SLOT(dropUrls(KFileItem,KUrl,QDropEvent*)));
 115     connect(m_dolphinViewController, SIGNAL(sortingChanged(DolphinView::Sorting)),
 116             this, SLOT(updateSorting(DolphinView::Sorting)));
 117     connect(m_dolphinViewController, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 118             this, SLOT(updateSortOrder(Qt::SortOrder)));
 119     connect(m_dolphinViewController, SIGNAL(sortFoldersFirstChanged(bool)),
 120             this, SLOT(updateSortFoldersFirst(bool)));
 121     connect(m_dolphinViewController, SIGNAL(additionalInfoChanged(QList<DolphinView::AdditionalInfo>)),
 122             this, SLOT(updateAdditionalInfo(QList<DolphinView::AdditionalInfo>)));*/
 123     //connect(m_dolphinViewController, SIGNAL(itemActivated(KFileItem)),
 124     //        this, SLOT(triggerItem(KFileItem)));
 125     //connect(m_dolphinViewController, SIGNAL(tabRequested(KUrl)),
 126     //        this, SIGNAL(tabRequested(KUrl)));
 127     /*connect(m_dolphinViewController, SIGNAL(activated()),
 128             this, SLOT(activate()));
 129     connect(m_dolphinViewController, SIGNAL(itemEntered(KFileItem)),
 130             this, SLOT(showHoverInformation(KFileItem)));
 131     connect(m_dolphinViewController, SIGNAL(viewportEntered()),
 132             this, SLOT(clearHoverInformation()));
 133     connect(m_dolphinViewController, SIGNAL(urlChangeRequested(KUrl)),
 134             this, SLOT(slotUrlChangeRequested(KUrl)));*/
 135
 136     // When a new item has been created by the "Create New..." menu, the item should
 137     // get selected and it must be assured that the item will get visible. As the
 138     // creation is done asynchronously, several signals must be checked:
 139     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 140             this, SLOT(observeCreatedItem(KUrl)));
 141
 142     m_selectionChangedTimer = new QTimer(this);
 143     m_selectionChangedTimer->setSingleShot(true);
 144     m_selectionChangedTimer->setInterval(300);
 145     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 146             this, SLOT(emitSelectionChangedSignal()));
 147
 148     m_dirLister = new DolphinDirLister(this);
 149     m_dirLister->setAutoUpdate(true);
 150     m_dirLister->setDelayedMimeTypes(true);
 151
 152     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
 153     connect(m_dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
 154     connect(m_dirLister, SIGNAL(completed()),            this, SLOT(slotDirListerCompleted()));
 155     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
 156             this, SLOT(slotRefreshItems()));
 157
 158     connect(m_dirLister, SIGNAL(clear()),                     this, SIGNAL(itemCountChanged()));
 159     connect(m_dirLister, SIGNAL(newItems(KFileItemList)),     this, SIGNAL(itemCountChanged()));
 160     connect(m_dirLister, SIGNAL(infoMessage(QString)),        this, SIGNAL(infoMessage(QString)));
 161     connect(m_dirLister, SIGNAL(errorMessage(QString)),       this, SIGNAL(infoMessage(QString)));
 162     connect(m_dirLister, SIGNAL(percent(int)),                this, SIGNAL(pathLoadingProgress(int)));
 163     connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)),        this, SIGNAL(urlIsFileError(KUrl)));
 164     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
 165
 166     m_container = new DolphinItemListContainer(m_dirLister, this);
 167     QHash<QByteArray, int> visibleRoles;
 168     visibleRoles.insert("name", 0);
 169     m_container->setVisibleRoles(visibleRoles);
 170
 171     KItemListController* controller = m_container->controller();
 172     controller->setSelectionBehavior(KItemListController::MultiSelection);
 173     connect(controller, SIGNAL(itemActivated(int)),
 174             this, SLOT(slotItemActivated(int)));
 175     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 176     connect(controller, SIGNAL(contextMenuRequested(int,QPointF)), this, SLOT(slotContextMenuRequested(int,QPointF)));
 177     connect(controller, SIGNAL(itemExpansionToggleClicked(int)), this, SLOT(slotItemExpansionToggleClicked(int)));
 178     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 179     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 180     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 181     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 182
 183     KItemListSelectionManager* selectionManager = controller->selectionManager();
 184     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 185             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 186
 187     m_toolTipManager = new ToolTipManager(this);
 188
 189     m_versionControlObserver = new VersionControlObserver(this);
 190     m_versionControlObserver->setModel(fileItemModel());
 191     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 192     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 193     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 194
 195     applyViewProperties();
 196     m_topLayout->addWidget(m_container);
 197
 198     loadDirectory(url);
 199 }
 200
 201 DolphinView::~DolphinView()
 202 {
 203 }
 204
 205 KUrl DolphinView::url() const
 206 {
 207     return m_url;
 208 }
 209
 210 void DolphinView::setActive(bool active)
 211 {
 212     if (active == m_active) {
 213         return;
 214     }
 215
 216     m_active = active;
 217
 218     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 219     if (!active) {
 220         color.setAlpha(150);
 221     }
 222
 223     /*QAbstractItemView* view = m_viewAccessor.itemView();
 224     QWidget* viewport = view ? view->viewport() : 0;
 225     if (viewport) {
 226         QPalette palette;
 227         palette.setColor(viewport->backgroundRole(), color);
 228         viewport->setPalette(palette);
 229     }*/
 230
 231     update();
 232
 233     if (active) {
 234         //if (view) {
 235         //    view->setFocus();
 236         //}
 237         emit activated();
 238         emit writeStateChanged(m_isFolderWritable);
 239     }
 240
 241     //m_viewModeController->indicateActivationChange(active);
 242 }
 243
 244 bool DolphinView::isActive() const
 245 {
 246     return m_active;
 247 }
 248
 249 void DolphinView::setMode(Mode mode)
 250 {
 251     if (mode != m_mode) {
 252         ViewProperties props(url());
 253         props.setViewMode(mode);
 254         props.save();
 255
 256         applyViewProperties();
 257     }
 258 }
 259
 260 DolphinView::Mode DolphinView::mode() const
 261 {
 262     return m_mode;
 263 }
 264
 265 bool DolphinView::previewsShown() const
 266 {
 267     return m_container->previewsShown();
 268 }
 269
 270 bool DolphinView::hiddenFilesShown() const
 271 {
 272     return m_dirLister->showingDotFiles();
 273 }
 274
 275 bool DolphinView::categorizedSorting() const
 276 {
 277     return false; //m_storedCategorizedSorting;
 278 }
 279
 280 KFileItemList DolphinView::items() const
 281 {
 282     return m_dirLister->items();
 283 }
 284
 285 KFileItemList DolphinView::selectedItems() const
 286 {
 287     const KFileItemModel* model = fileItemModel();
 288     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 289     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 290
 291     KFileItemList selectedItems;
 292     QSetIterator<int> it(selectedIndexes);
 293     while (it.hasNext()) {
 294         const int index = it.next();
 295         selectedItems.append(model->fileItem(index));
 296     }
 297     return selectedItems;
 298 }
 299
 300 int DolphinView::selectedItemsCount() const
 301 {
 302     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 303     return selectionManager->selectedItems().count();
 304 }
 305
 306 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 307 {
 308     foreach (const KUrl& url, urls) {
 309         KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 310         m_selectedItems.append(item);
 311     }
 312 }
 313
 314 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 315 {
 316     const KItemListSelectionManager::SelectionMode mode = enabled
 317                                                         ? KItemListSelectionManager::Select
 318                                                         : KItemListSelectionManager::Deselect;
 319     const KFileItemModel* model = fileItemModel();
 320     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 321
 322     for (int index = 0; index < model->count(); index++) {
 323         const KFileItem item = model->fileItem(index);
 324         if (pattern.exactMatch(item.name())) {
 325             // An alternative approach would be to store the matching items in a QSet<int> and
 326             // select them in one go after the loop, but we'd need a new function
 327             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 328             // for that.
 329             selectionManager->setSelected(index, 1, mode);
 330         }
 331     }
 332 }
 333
 334 void DolphinView::setZoomLevel(int level)
 335 {
 336     const int oldZoomLevel = zoomLevel();
 337     m_container->setZoomLevel(level);
 338     if (zoomLevel() != oldZoomLevel) {
 339         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 340     }
 341 }
 342
 343 int DolphinView::zoomLevel() const
 344 {
 345     return m_container->zoomLevel();
 346 }
 347
 348 void DolphinView::setSorting(Sorting sorting)
 349 {
 350     if (sorting != this->sorting()) {
 351         updateSorting(sorting);
 352     }
 353 }
 354
 355 DolphinView::Sorting DolphinView::sorting() const
 356 {
 357     return DolphinView::SortByName;
 358     //return m_viewAccessor.proxyModel()->sorting();
 359 }
 360
 361 void DolphinView::setSortOrder(Qt::SortOrder order)
 362 {
 363     if (sortOrder() != order) {
 364         updateSortOrder(order);
 365     }
 366 }
 367
 368 Qt::SortOrder DolphinView::sortOrder() const
 369 {
 370     return Qt::AscendingOrder; // m_viewAccessor.proxyModel()->sortOrder();
 371 }
 372
 373 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 374 {
 375     if (sortFoldersFirst() != foldersFirst) {
 376         updateSortFoldersFirst(foldersFirst);
 377     }
 378 }
 379
 380 bool DolphinView::sortFoldersFirst() const
 381 {
 382     return true; // m_viewAccessor.proxyModel()->sortFoldersFirst();
 383 }
 384
 385 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 386 {
 387     const QList<AdditionalInfo> previousList = info;
 388
 389     ViewProperties props(url());
 390     props.setAdditionalInfoList(info);
 391
 392     m_additionalInfoList = info;
 393     applyAdditionalInfoListToView();
 394
 395     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 396 }
 397
 398 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 399 {
 400     return m_additionalInfoList;
 401 }
 402
 403 void DolphinView::reload()
 404 {
 405     QByteArray viewState;
 406     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 407     saveState(saveStream);
 408     m_selectedItems= selectedItems();
 409
 410     setUrl(url());
 411     loadDirectory(url(), true);
 412
 413     QDataStream restoreStream(viewState);
 414     restoreState(restoreStream);
 415 }
 416
 417 void DolphinView::stopLoading()
 418 {
 419     m_dirLister->stop();
 420 }
 421
 422 void DolphinView::refresh()
 423 {
 424     const bool oldActivationState = m_active;
 425     const int oldZoomLevel = zoomLevel();
 426     m_active = true;
 427
 428     applyViewProperties();
 429     reload();
 430
 431     setActive(oldActivationState);
 432     updateZoomLevel(oldZoomLevel);
 433 }
 434
 435 void DolphinView::setNameFilter(const QString& nameFilter)
 436 {
 437     Q_UNUSED(nameFilter);
 438     //m_viewModeController->setNameFilter(nameFilter);
 439 }
 440
 441 QString DolphinView::nameFilter() const
 442 {
 443     return QString(); //m_viewModeController->nameFilter();
 444 }
 445
 446 void DolphinView::calculateItemCount(int& fileCount,
 447                                      int& folderCount,
 448                                      KIO::filesize_t& totalFileSize) const
 449 {
 450     foreach (const KFileItem& item, m_dirLister->items()) {
 451         if (item.isDir()) {
 452             ++folderCount;
 453         } else {
 454             ++fileCount;
 455             totalFileSize += item.size();
 456         }
 457     }
 458 }
 459
 460 QString DolphinView::statusBarText() const
 461 {
 462     QString text;
 463     int folderCount = 0;
 464     int fileCount = 0;
 465     KIO::filesize_t totalFileSize = 0;
 466
 467     if (hasSelection()) {
 468         // give a summary of the status of the selected files
 469         const KFileItemList list = selectedItems();
 470         if (list.isEmpty()) {
 471             // when an item is triggered, it is temporary selected but selectedItems()
 472             // will return an empty list
 473             return text;
 474         }
 475
 476         KFileItemList::const_iterator it = list.begin();
 477         const KFileItemList::const_iterator end = list.end();
 478         while (it != end) {
 479             const KFileItem& item = *it;
 480             if (item.isDir()) {
 481                 ++folderCount;
 482             } else {
 483                 ++fileCount;
 484                 totalFileSize += item.size();
 485             }
 486             ++it;
 487         }
 488
 489         if (folderCount + fileCount == 1) {
 490             // if only one item is selected, show the filename
 491             const QString name = list.first().text();
 492             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 493                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 494                                               name, KIO::convertSize(totalFileSize));
 495         } else {
 496             // at least 2 items are selected
 497             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 498             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 499             if ((folderCount > 0) && (fileCount > 0)) {
 500                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 501                              foldersText, filesText, KIO::convertSize(totalFileSize));
 502             } else if (fileCount > 0) {
 503                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 504             } else {
 505                 Q_ASSERT(folderCount > 0);
 506                 text = foldersText;
 507             }
 508         }
 509     } else {
 510         calculateItemCount(fileCount, folderCount, totalFileSize);
 511         text = KIO::itemsSummaryString(fileCount + folderCount,
 512                                        fileCount, folderCount,
 513                                        totalFileSize, true);
 514     }
 515
 516     return text;
 517 }
 518
 519 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 520 {
 521     Q_UNUSED(items);
 522     return QList<QAction*>(); //m_dolphinViewController->versionControlActions(items);
 523 }
 524
 525 void DolphinView::setUrl(const KUrl& url)
 526 {
 527     if (url == m_url) {
 528         return;
 529     }
 530
 531     emit urlAboutToBeChanged(url);
 532     m_url = url;
 533
 534     if (GeneralSettings::showToolTips()) {
 535         m_toolTipManager->hideToolTip();
 536     }
 537
 538     // It is important to clear the items from the model before
 539     // applying the view properties, otherwise expensive operations
 540     // might be done on the existing items although they get cleared
 541     // anyhow afterwards by loadDirectory().
 542     fileItemModel()->clear();
 543     applyViewProperties();
 544     loadDirectory(url);
 545
 546     emit urlChanged(url);
 547 }
 548
 549 void DolphinView::selectAll()
 550 {
 551     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 552     selectionManager->setSelected(0, fileItemModel()->count());
 553 }
 554
 555 void DolphinView::invertSelection()
 556 {
 557     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 558     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 559 }
 560
 561 void DolphinView::clearSelection()
 562 {
 563     m_container->controller()->selectionManager()->clearSelection();
 564 }
 565
 566 void DolphinView::renameSelectedItems()
 567 {
 568     KFileItemList items = selectedItems();
 569     const int itemCount = items.count();
 570     if (itemCount < 1) {
 571         return;
 572     }
 573
 574     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 575         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 576         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 577         m_viewAccessor.itemView()->edit(proxyIndex);
 578     } else {*/
 579         RenameDialog* dialog = new RenameDialog(this, items);
 580         dialog->setAttribute(Qt::WA_DeleteOnClose);
 581         dialog->show();
 582         dialog->raise();
 583         dialog->activateWindow();
 584     //}
 585
 586     // assure that the current index remains visible when KDirLister
 587     // will notify the view about changed items
 588     m_assureVisibleCurrentIndex = true;
 589 }
 590
 591 void DolphinView::trashSelectedItems()
 592 {
 593     const KUrl::List list = simplifiedSelectedUrls();
 594     KonqOperations::del(this, KonqOperations::TRASH, list);
 595 }
 596
 597 void DolphinView::deleteSelectedItems()
 598 {
 599     const KUrl::List list = simplifiedSelectedUrls();
 600     const bool del = KonqOperations::askDeleteConfirmation(list,
 601                      KonqOperations::DEL,
 602                      KonqOperations::DEFAULT_CONFIRMATION,
 603                      this);
 604
 605     if (del) {
 606         KIO::Job* job = KIO::del(list);
 607         connect(job, SIGNAL(result(KJob*)),
 608                 this, SLOT(slotDeleteFileFinished(KJob*)));
 609     }
 610 }
 611
 612 void DolphinView::cutSelectedItems()
 613 {
 614     QMimeData* mimeData = selectionMimeData();
 615     KonqMimeData::addIsCutSelection(mimeData, true);
 616     QApplication::clipboard()->setMimeData(mimeData);
 617 }
 618
 619 void DolphinView::copySelectedItems()
 620 {
 621     QMimeData* mimeData = selectionMimeData();
 622     QApplication::clipboard()->setMimeData(mimeData);
 623 }
 624
 625 void DolphinView::paste()
 626 {
 627     pasteToUrl(url());
 628 }
 629
 630 void DolphinView::pasteIntoFolder()
 631 {
 632     const KFileItemList items = selectedItems();
 633     if ((items.count() == 1) && items.first().isDir()) {
 634         pasteToUrl(items.first().url());
 635     }
 636 }
 637
 638 void DolphinView::setPreviewsShown(bool show)
 639 {
 640     if (previewsShown() == show) {
 641         return;
 642     }
 643
 644     ViewProperties props(url());
 645     props.setPreviewsShown(show);
 646
 647     m_container->setPreviewsShown(show);
 648     emit previewsShownChanged(show);
 649 }
 650
 651 void DolphinView::setHiddenFilesShown(bool show)
 652 {
 653     if (m_dirLister->showingDotFiles() == show) {
 654         return;
 655     }
 656
 657     m_selectedItems = selectedItems();
 658
 659     ViewProperties props(url());
 660     props.setHiddenFilesShown(show);
 661
 662     m_dirLister->setShowingDotFiles(show);
 663     m_dirLister->emitChanges();
 664     emit hiddenFilesShownChanged(show);
 665 }
 666
 667 void DolphinView::setCategorizedSorting(bool categorized)
 668 {
 669     if (categorized == categorizedSorting()) {
 670         return;
 671     }
 672
 673     ViewProperties props(url());
 674     props.setCategorizedSorting(categorized);
 675     props.save();
 676
 677     //m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
 678
 679     emit categorizedSortingChanged(categorized);
 680 }
 681
 682 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 683 {
 684     QWidget::mouseReleaseEvent(event);
 685     setActive(true);
 686 }
 687
 688 void DolphinView::contextMenuEvent(QContextMenuEvent* event)
 689 {
 690     Q_UNUSED(event);
 691
 692     const QPoint pos = m_container->mapFromGlobal(QCursor::pos());
 693     const KItemListView* view = m_container->controller()->view();
 694     if (view->itemAt(pos) < 0) {
 695         // Only open the context-menu if the cursor is above the viewport
 696         // (the context-menu for items is handled in slotContextMenuRequested())
 697         requestContextMenu(KFileItem(), url(), QList<QAction*>());
 698     }
 699 }
 700
 701 void DolphinView::wheelEvent(QWheelEvent* event)
 702 {
 703     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 704         const int numDegrees = event->delta() / 8;
 705         const int numSteps = numDegrees / 15;
 706
 707         setZoomLevel(zoomLevel() + numSteps);
 708     }
 709     event->accept();
 710 }
 711
 712 void DolphinView::activate()
 713 {
 714     setActive(true);
 715 }
 716
 717 void DolphinView::slotItemActivated(int index)
 718 {
 719     Q_UNUSED(index);
 720
 721     const KFileItemList items = selectedItems();
 722     if (items.isEmpty()) {
 723         return;
 724     }
 725
 726     if (items.count() == 1) {
 727         emit itemActivated(items.at(0)); // caught by DolphinViewContainer or DolphinPart
 728     } else {
 729         foreach (const KFileItem& item, items) {
 730             if (item.isDir()) {
 731                 emit tabRequested(item.url());
 732             } else {
 733                 emit itemActivated(item);
 734             }
 735         }
 736     }
 737 }
 738
 739 void DolphinView::slotItemMiddleClicked(int index)
 740 {
 741     const KFileItem item = fileItemModel()->fileItem(index);
 742     if (item.isDir() || isTabsForFilesEnabled()) {
 743         emit tabRequested(item.url());
 744     }
 745 }
 746
 747 void DolphinView::slotContextMenuRequested(int index, const QPointF& pos)
 748 {
 749     Q_UNUSED(pos);
 750     if (GeneralSettings::showToolTips()) {
 751         m_toolTipManager->hideToolTip();
 752     }
 753     const KFileItem item = fileItemModel()->fileItem(index);
 754     emit requestContextMenu(item, url(), QList<QAction*>());
 755 }
 756
 757 void DolphinView::slotItemExpansionToggleClicked(int index)
 758 {
 759     // TODO: When doing a model->setExpanded(false) it should
 760     // be checked here whether the current index is part of the
 761     // closed sub-tree. If this is the case, the current index
 762     // should be adjusted to the parent index.
 763     KFileItemModel* model = fileItemModel();
 764     const bool expanded = model->isExpanded(index);
 765     model->setExpanded(index, !expanded);
 766 }
 767
 768 void DolphinView::slotItemHovered(int index)
 769 {
 770     const KFileItem item = fileItemModel()->fileItem(index);
 771
 772     if (GeneralSettings::showToolTips()) {
 773         QRectF itemRect = m_container->controller()->view()->itemBoundingRect(index);
 774         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 775         itemRect.moveTo(pos);
 776
 777         m_toolTipManager->showToolTip(item, itemRect);
 778     }
 779
 780     emit requestItemInfo(item);
 781 }
 782
 783 void DolphinView::slotItemUnhovered(int index)
 784 {
 785     Q_UNUSED(index);
 786     if (GeneralSettings::showToolTips()) {
 787         m_toolTipManager->hideToolTip();
 788     }
 789     emit requestItemInfo(KFileItem());
 790 }
 791
 792 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 793 {
 794     const KFileItem destItem = fileItemModel()->fileItem(index);
 795
 796     QDropEvent dropEvent(event->pos().toPoint(),
 797                          event->possibleActions(),
 798                          event->mimeData(),
 799                          event->buttons(),
 800                          event->modifiers());
 801
 802     DragAndDropHelper::dropUrls(destItem, url(), &dropEvent, this);
 803 }
 804
 805 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 806 {
 807     Q_UNUSED(previous);
 808     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 809
 810     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 811     m_versionControlObserver->setModel(fileItemModel);
 812 }
 813
 814 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 815 {
 816     const int currentCount = current.count();
 817     const int previousCount = previous.count();
 818     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 819                                        (currentCount >  0 && previousCount == 0);
 820
 821     // If nothing has been selected before and something got selected (or if something
 822     // was selected before and now nothing is selected) the selectionChangedSignal must
 823     // be emitted asynchronously as fast as possible to update the edit-actions.
 824     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 825     m_selectionChangedTimer->start();
 826 }
 827
 828 void DolphinView::emitSelectionChangedSignal()
 829 {
 830     m_selectionChangedTimer->stop();
 831     emit selectionChanged(selectedItems());
 832 }
 833
 834 void DolphinView::openContextMenu(const QPoint& pos,
 835                                   const QList<QAction*>& customActions)
 836 {
 837     KFileItem item;
 838     const int index = m_container->controller()->view()->itemAt(pos);
 839     if (index >= 0) {
 840         item = fileItemModel()->fileItem(index);
 841     }
 842
 843     emit requestContextMenu(item, url(), customActions);
 844 }
 845
 846 void DolphinView::dropUrls(const KFileItem& destItem,
 847                            const KUrl& destPath,
 848                            QDropEvent* event)
 849 {
 850     Q_UNUSED(destItem);
 851     Q_UNUSED(destPath);
 852     markPastedUrlsAsSelected(event->mimeData());
 853     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 854 }
 855
 856 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 857 {
 858     ViewProperties props(url());
 859     props.setSorting(sorting);
 860
 861     KItemModelBase* model = m_container->controller()->model();
 862     model->setSortRole(sortRoleForSorting(sorting));
 863
 864     emit sortingChanged(sorting);
 865 }
 866
 867 void DolphinView::updateSortOrder(Qt::SortOrder order)
 868 {
 869     ViewProperties props(url());
 870     props.setSortOrder(order);
 871
 872     //m_viewAccessor.proxyModel()->setSortOrder(order);
 873
 874     emit sortOrderChanged(order);
 875 }
 876
 877 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 878 {
 879     ViewProperties props(url());
 880     props.setSortFoldersFirst(foldersFirst);
 881
 882     //m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 883
 884     emit sortFoldersFirstChanged(foldersFirst);
 885 }
 886
 887 QPair<bool, QString> DolphinView::pasteInfo() const
 888 {
 889     return KonqOperations::pasteInfo(url());
 890 }
 891
 892 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 893 {
 894     m_tabsForFiles = tabsForFiles;
 895 }
 896
 897 bool DolphinView::isTabsForFilesEnabled() const
 898 {
 899     return m_tabsForFiles;
 900 }
 901
 902 bool DolphinView::itemsExpandable() const
 903 {
 904     return m_mode == DetailsView;
 905 }
 906
 907 void DolphinView::restoreState(QDataStream& stream)
 908 {
 909     // Restore the current item that had the keyboard focus
 910     stream >> m_currentItemIndex;
 911
 912     // Restore the view position
 913     stream >> m_restoredContentsPosition;
 914
 915     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 916     QSet<KUrl> urlsToExpand;
 917     stream >> urlsToExpand;
 918     /*const DolphinDetailsViewExpander* expander = m_viewAccessor.setExpandedUrls(urlsToExpand);
 919     if (expander) {
 920         m_expanderActive = true;
 921         connect (expander, SIGNAL(completed()), this, SLOT(slotLoadingCompleted()));
 922     }
 923     else {
 924         m_expanderActive = false;
 925     }*/
 926 }
 927
 928 void DolphinView::saveState(QDataStream& stream)
 929 {
 930     // Save the current item that has the keyboard focus
 931     stream << m_container->controller()->selectionManager()->currentItem();
 932
 933     // Save view position
 934     const qreal x = m_container->horizontalScrollBar()->value();
 935     const qreal y = m_container->verticalScrollBar()->value();
 936     stream << QPoint(x, y);
 937
 938     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 939     //stream << m_viewAccessor.expandedUrls();
 940 }
 941
 942 bool DolphinView::hasSelection() const
 943 {
 944     return m_container->controller()->selectionManager()->hasSelection();
 945 }
 946
 947 KFileItem DolphinView::rootItem() const
 948 {
 949     return m_dirLister->rootItem();
 950 }
 951
 952 void DolphinView::observeCreatedItem(const KUrl& url)
 953 {
 954     m_createdItemUrl = url;
 955     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 956     //        this, SLOT(selectAndScrollToCreatedItem()));
 957 }
 958
 959 void DolphinView::selectAndScrollToCreatedItem()
 960 {
 961     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 962     if (dirIndex.isValid()) {
 963         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 964         QAbstractItemView* view = m_viewAccessor.itemView();
 965         if (view) {
 966             view->setCurrentIndex(proxyIndex);
 967         }
 968     }
 969
 970     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 971                this, SLOT(selectAndScrollToCreatedItem()));*/
 972     m_createdItemUrl = KUrl();
 973 }
 974
 975 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
 976 {
 977     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
 978         emit redirection(oldUrl, newUrl);
 979         m_url = newUrl; // #186947
 980     }
 981 }
 982
 983 void DolphinView::updateViewState()
 984 {
 985     if (m_currentItemIndex >= 0) {
 986         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 987         selectionManager->setCurrentItem(m_currentItemIndex);
 988         m_currentItemIndex =-1;
 989     }
 990
 991     if (!m_restoredContentsPosition.isNull()) {
 992         const int x = m_restoredContentsPosition.x();
 993         const int y = m_restoredContentsPosition.y();
 994         m_restoredContentsPosition = QPoint();
 995
 996         m_container->horizontalScrollBar()->setValue(x);
 997         m_container->verticalScrollBar()->setValue(y);
 998     }
 999
1000     if (!m_selectedItems.isEmpty()) {
1001         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1002         QSet<int> selectedItems = selectionManager->selectedItems();
1003         const KFileItemModel* model = fileItemModel();
1004
1005         foreach (const KFileItem& selectedItem, m_selectedItems) {
1006             const int index = model->index(selectedItem);
1007             if (index >= 0) {
1008                 selectedItems.insert(index);
1009             }
1010         }
1011
1012         selectionManager->setSelectedItems(selectedItems);
1013         m_selectedItems.clear();
1014     }
1015 }
1016
1017 void DolphinView::showHoverInformation(const KFileItem& item)
1018 {
1019     emit requestItemInfo(item);
1020 }
1021
1022 void DolphinView::clearHoverInformation()
1023 {
1024     emit requestItemInfo(KFileItem());
1025 }
1026
1027 void DolphinView::slotDeleteFileFinished(KJob* job)
1028 {
1029     if (job->error() == 0) {
1030         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1031     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1032         emit errorMessage(job->errorString());
1033     }
1034 }
1035
1036 void DolphinView::slotDirListerStarted(const KUrl& url)
1037 {
1038     // Disable the writestate temporary until it can be determined in a fast way
1039     // in DolphinView::slotDirListerCompleted()
1040     if (m_isFolderWritable) {
1041         m_isFolderWritable = false;
1042         emit writeStateChanged(m_isFolderWritable);
1043     }
1044
1045     emit startedPathLoading(url);
1046 }
1047
1048 void DolphinView::slotDirListerCompleted()
1049 {
1050     // Update the view-state. This has to be done using a Qt::QueuedConnection
1051     // because the view might not be in its final state yet (the view also
1052     // listens to the completed()-signal from KDirLister and the order of
1053     // of slots is undefined).
1054     QTimer::singleShot(0, this, SLOT(updateViewState()));
1055
1056     emit finishedPathLoading(url());
1057
1058     updateWritableState();
1059 }
1060
1061 void DolphinView::slotRefreshItems()
1062 {
1063     if (m_assureVisibleCurrentIndex) {
1064         m_assureVisibleCurrentIndex = false;
1065         //QAbstractItemView* view = m_viewAccessor.itemView();
1066         //if (view) {
1067         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1068         //}
1069     }
1070 }
1071
1072 KFileItemModel* DolphinView::fileItemModel() const
1073 {
1074     return static_cast<KFileItemModel*>(m_container->controller()->model());
1075 }
1076
1077 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1078 {
1079     if (!url.isValid()) {
1080         const QString location(url.pathOrUrl());
1081         if (location.isEmpty()) {
1082             emit errorMessage(i18nc("@info:status", "The location is empty."));
1083         } else {
1084             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1085         }
1086         return;
1087     }
1088
1089     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1090 }
1091
1092 void DolphinView::applyViewProperties()
1093 {
1094     m_container->beginTransaction();
1095
1096     const ViewProperties props(url());
1097
1098     const Mode mode = props.viewMode();
1099     if (m_mode != mode) {
1100         const Mode previousMode = m_mode;
1101         m_mode = mode;
1102
1103         // Changing the mode might result in changing
1104         // the zoom level. Remember the old zoom level so
1105         // that zoomLevelChanged() can get emitted.
1106         const int oldZoomLevel = m_container->zoomLevel();
1107
1108         switch (m_mode) {
1109         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1110         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1111         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1112         default: Q_ASSERT(false); break;
1113         }
1114
1115         emit modeChanged(m_mode, previousMode);
1116
1117         if (m_container->zoomLevel() != oldZoomLevel) {
1118             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1119         }
1120     }
1121
1122     const bool hiddenFilesShown = props.hiddenFilesShown();
1123     if (hiddenFilesShown != m_dirLister->showingDotFiles()) {
1124         m_dirLister->setShowingDotFiles(hiddenFilesShown);
1125         m_dirLister->emitChanges();
1126         emit hiddenFilesShownChanged(hiddenFilesShown);
1127     }
1128
1129 /*    m_storedCategorizedSorting = props.categorizedSorting();
1130     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1131     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1132         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1133         emit categorizedSortingChanged();
1134     }*/
1135
1136     const DolphinView::Sorting sorting = props.sorting();
1137     KItemModelBase* model = m_container->controller()->model();
1138     const QByteArray newSortRole = sortRoleForSorting(sorting);
1139     if (newSortRole != model->sortRole()) {
1140         model->setSortRole(newSortRole);
1141         emit sortingChanged(sorting);
1142     }
1143 /*
1144     const Qt::SortOrder sortOrder = props.sortOrder();
1145     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1146         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1147         emit sortOrderChanged(sortOrder);
1148     }
1149
1150     const bool sortFoldersFirst = props.sortFoldersFirst();
1151     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1152         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1153         emit sortFoldersFirstChanged(sortFoldersFirst);
1154     }
1155 */
1156     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1157     if (infoList != m_additionalInfoList) {
1158         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1159         m_additionalInfoList = infoList;
1160         applyAdditionalInfoListToView();
1161         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1162     }
1163
1164     const bool previewsShown = props.previewsShown();
1165     if (previewsShown != m_container->previewsShown()) {
1166         const int oldZoomLevel = zoomLevel();
1167
1168         m_container->setPreviewsShown(previewsShown);
1169         emit previewsShownChanged(previewsShown);
1170
1171         // Changing the preview-state might result in a changed zoom-level
1172         if (oldZoomLevel != zoomLevel()) {
1173             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1174         }
1175     }
1176
1177     m_container->endTransaction();
1178 }
1179
1180 void DolphinView::applyAdditionalInfoListToView()
1181 {
1182     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1183
1184     QHash<QByteArray, int> visibleRoles;
1185     visibleRoles.insert("name", 0);
1186
1187     int index = 1;
1188     foreach (AdditionalInfo info, m_additionalInfoList) {
1189         visibleRoles.insert(infoAccessor.role(info), index);
1190         ++index;
1191     }
1192
1193     m_container->setVisibleRoles(visibleRoles);
1194 }
1195
1196 void DolphinView::pasteToUrl(const KUrl& url)
1197 {
1198     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1199     KonqOperations::doPaste(this, url);
1200 }
1201
1202 void DolphinView::updateZoomLevel(int oldZoomLevel)
1203 {
1204     Q_UNUSED(oldZoomLevel);
1205  /*   const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1206     if (oldZoomLevel != newZoomLevel) {
1207         m_viewModeController->setZoomLevel(newZoomLevel);
1208         emit zoomLevelChanged(newZoomLevel);
1209     }*/
1210 }
1211
1212 KUrl::List DolphinView::simplifiedSelectedUrls() const
1213 {
1214     KUrl::List urls;
1215
1216     const KFileItemList items = selectedItems();
1217     foreach (const KFileItem &item, items) {
1218         urls.append(item.url());
1219     }
1220
1221     if (itemsExpandable()) {
1222         // TODO: Check if we still need KDirModel for this in KDE 5.0
1223         urls = KDirModel::simplifiedUrlList(urls);
1224     }
1225
1226     return urls;
1227 }
1228
1229 QMimeData* DolphinView::selectionMimeData() const
1230 {
1231     const KFileItemModel* model = fileItemModel();
1232     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1233     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1234
1235     return model->createMimeData(selectedIndexes);
1236 }
1237
1238 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1239 {
1240     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1241     markUrlsAsSelected(urls);
1242 }
1243
1244 void DolphinView::updateWritableState()
1245 {
1246     const bool wasFolderWritable = m_isFolderWritable;
1247     m_isFolderWritable = true;
1248
1249     const KFileItem item = m_dirLister->rootItem();
1250     if (!item.isNull()) {
1251         KFileItemListProperties capabilities(KFileItemList() << item);
1252         m_isFolderWritable = capabilities.supportsWriting();
1253     }
1254     if (m_isFolderWritable != wasFolderWritable) {
1255         emit writeStateChanged(m_isFolderWritable);
1256     }
1257 }
1258
1259 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1260 {
1261     switch (sorting) {
1262     case SortByName:        return "name";
1263     case SortBySize:        return "size";
1264     case SortByDate:        return "date";
1265     case SortByPermissions: return "permissions";
1266     case SortByOwner:       return "owner";
1267     case SortByGroup:       return "group";
1268     case SortByType:        return "type";
1269     case SortByDestination: return "destination";
1270     case SortByPath:        return "path";
1271     default: break;
1272     }
1273
1274     return QByteArray();
1275 }
1276
1277 #include "dolphinview.moc"