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