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