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     Q_UNUSED(index);
 707
 708     const KFileItemList items = selectedItems();
 709     if (items.isEmpty()) {
 710         return;
 711     }
 712
 713     if (items.count() == 1) {
 714         emit itemActivated(items.at(0)); // caught by DolphinViewContainer or DolphinPart
 715     } else {
 716         foreach (const KFileItem& item, items) {
 717             if (item.isDir()) {
 718                 emit tabRequested(item.url());
 719             } else {
 720                 emit itemActivated(item);
 721             }
 722         }
 723     }
 724 }
 725
 726 void DolphinView::slotItemMiddleClicked(int index)
 727 {
 728     const KFileItem item = fileItemModel()->fileItem(index);
 729     if (item.isDir() || isTabsForFilesEnabled()) {
 730         emit tabRequested(item.url());
 731     }
 732 }
 733
 734 void DolphinView::slotContextMenuRequested(int index, const QPointF& pos)
 735 {
 736     Q_UNUSED(pos);
 737     if (GeneralSettings::showToolTips()) {
 738         m_toolTipManager->hideToolTip();
 739     }
 740     const KFileItem item = fileItemModel()->fileItem(index);
 741     emit requestContextMenu(item, url(), QList<QAction*>());
 742 }
 743
 744 void DolphinView::slotItemExpansionToggleClicked(int index)
 745 {
 746     // TODO: When doing a model->setExpanded(false) it should
 747     // be checked here whether the current index is part of the
 748     // closed sub-tree. If this is the case, the current index
 749     // should be adjusted to the parent index.
 750     KFileItemModel* model = fileItemModel();
 751     const bool expanded = model->isExpanded(index);
 752     model->setExpanded(index, !expanded);
 753 }
 754
 755 void DolphinView::slotItemHovered(int index)
 756 {
 757     const KFileItem item = fileItemModel()->fileItem(index);
 758
 759     if (GeneralSettings::showToolTips()) {
 760         QRectF itemRect = m_container->controller()->view()->itemBoundingRect(index);
 761         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 762         itemRect.moveTo(pos);
 763
 764         m_toolTipManager->showToolTip(item, itemRect);
 765     }
 766
 767     emit requestItemInfo(item);
 768 }
 769
 770 void DolphinView::slotItemUnhovered(int index)
 771 {
 772     Q_UNUSED(index);
 773     if (GeneralSettings::showToolTips()) {
 774         m_toolTipManager->hideToolTip();
 775     }
 776     emit requestItemInfo(KFileItem());
 777 }
 778
 779 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 780 {
 781     const int currentCount = current.count();
 782     const int previousCount = previous.count();
 783     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
 784                                        (currentCount >  0 && previousCount == 0);
 785
 786     // If nothing has been selected before and something got selected (or if something
 787     // was selected before and now nothing is selected) the selectionChangedSignal must
 788     // be emitted asynchronously as fast as possible to update the edit-actions.
 789     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
 790     m_selectionChangedTimer->start();
 791 }
 792
 793 void DolphinView::emitSelectionChangedSignal()
 794 {
 795     m_selectionChangedTimer->stop();
 796     emit selectionChanged(selectedItems());
 797 }
 798
 799 void DolphinView::openContextMenu(const QPoint& pos,
 800                                   const QList<QAction*>& customActions)
 801 {
 802     KFileItem item;
 803     const int index = m_container->controller()->view()->itemAt(pos);
 804     if (index >= 0) {
 805         item = fileItemModel()->fileItem(index);
 806     }
 807
 808     emit requestContextMenu(item, url(), customActions);
 809 }
 810
 811 void DolphinView::dropUrls(const KFileItem& destItem,
 812                            const KUrl& destPath,
 813                            QDropEvent* event)
 814 {
 815     Q_UNUSED(destItem);
 816     Q_UNUSED(destPath);
 817     markPastedUrlsAsSelected(event->mimeData());
 818     //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
 819 }
 820
 821 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 822 {
 823     ViewProperties props(url());
 824     props.setSorting(sorting);
 825
 826     KItemModelBase* model = m_container->controller()->model();
 827     model->setSortRole(sortRoleForSorting(sorting));
 828
 829     emit sortingChanged(sorting);
 830 }
 831
 832 void DolphinView::updateSortOrder(Qt::SortOrder order)
 833 {
 834     ViewProperties props(url());
 835     props.setSortOrder(order);
 836
 837     //m_viewAccessor.proxyModel()->setSortOrder(order);
 838
 839     emit sortOrderChanged(order);
 840 }
 841
 842 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
 843 {
 844     ViewProperties props(url());
 845     props.setSortFoldersFirst(foldersFirst);
 846
 847     //m_viewAccessor.proxyModel()->setSortFoldersFirst(foldersFirst);
 848
 849     emit sortFoldersFirstChanged(foldersFirst);
 850 }
 851
 852 QPair<bool, QString> DolphinView::pasteInfo() const
 853 {
 854     return KonqOperations::pasteInfo(url());
 855 }
 856
 857 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
 858 {
 859     m_tabsForFiles = tabsForFiles;
 860 }
 861
 862 bool DolphinView::isTabsForFilesEnabled() const
 863 {
 864     return m_tabsForFiles;
 865 }
 866
 867 bool DolphinView::itemsExpandable() const
 868 {
 869     return m_mode == DetailsView;
 870 }
 871
 872 void DolphinView::restoreState(QDataStream& stream)
 873 {
 874     // Restore the current item that had the keyboard focus
 875     stream >> m_currentItemIndex;
 876
 877     // Restore the view position
 878     stream >> m_restoredContentsPosition;
 879
 880     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
 881     QSet<KUrl> urlsToExpand;
 882     stream >> urlsToExpand;
 883     /*const DolphinDetailsViewExpander* expander = m_viewAccessor.setExpandedUrls(urlsToExpand);
 884     if (expander) {
 885         m_expanderActive = true;
 886         connect (expander, SIGNAL(completed()), this, SLOT(slotLoadingCompleted()));
 887     }
 888     else {
 889         m_expanderActive = false;
 890     }*/
 891 }
 892
 893 void DolphinView::saveState(QDataStream& stream)
 894 {
 895     // Save the current item that has the keyboard focus
 896     stream << m_container->controller()->selectionManager()->currentItem();
 897
 898     // Save view position
 899     const qreal x = m_container->horizontalScrollBar()->value();
 900     const qreal y = m_container->verticalScrollBar()->value();
 901     stream << QPoint(x, y);
 902
 903     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
 904     //stream << m_viewAccessor.expandedUrls();
 905 }
 906
 907 bool DolphinView::hasSelection() const
 908 {
 909     return m_container->controller()->selectionManager()->hasSelection();
 910 }
 911
 912 KFileItem DolphinView::rootItem() const
 913 {
 914     return m_dirLister->rootItem();
 915 }
 916
 917 void DolphinView::observeCreatedItem(const KUrl& url)
 918 {
 919     m_createdItemUrl = url;
 920     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 921     //        this, SLOT(selectAndScrollToCreatedItem()));
 922 }
 923
 924 void DolphinView::selectAndScrollToCreatedItem()
 925 {
 926     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
 927     if (dirIndex.isValid()) {
 928         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 929         QAbstractItemView* view = m_viewAccessor.itemView();
 930         if (view) {
 931             view->setCurrentIndex(proxyIndex);
 932         }
 933     }
 934
 935     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 936                this, SLOT(selectAndScrollToCreatedItem()));*/
 937     m_createdItemUrl = KUrl();
 938 }
 939
 940 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
 941 {
 942     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
 943         emit redirection(oldUrl, newUrl);
 944         m_url = newUrl; // #186947
 945     }
 946 }
 947
 948 void DolphinView::updateViewState()
 949 {
 950     if (m_currentItemIndex >= 0) {
 951         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 952         selectionManager->setCurrentItem(m_currentItemIndex);
 953         m_currentItemIndex =-1;
 954     }
 955
 956     if (!m_restoredContentsPosition.isNull()) {
 957         const int x = m_restoredContentsPosition.x();
 958         const int y = m_restoredContentsPosition.y();
 959         m_restoredContentsPosition = QPoint();
 960
 961         m_container->horizontalScrollBar()->setValue(x);
 962         m_container->verticalScrollBar()->setValue(y);
 963     }
 964
 965     if (!m_selectedItems.isEmpty()) {
 966         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 967         QSet<int> selectedItems = selectionManager->selectedItems();
 968         const KFileItemModel* model = fileItemModel();
 969
 970         foreach (const KFileItem& selectedItem, m_selectedItems) {
 971             const int index = model->index(selectedItem);
 972             if (index >= 0) {
 973                 selectedItems.insert(index);
 974             }
 975         }
 976
 977         selectionManager->setSelectedItems(selectedItems);
 978         m_selectedItems.clear();
 979     }
 980 }
 981
 982 void DolphinView::showHoverInformation(const KFileItem& item)
 983 {
 984     emit requestItemInfo(item);
 985 }
 986
 987 void DolphinView::clearHoverInformation()
 988 {
 989     emit requestItemInfo(KFileItem());
 990 }
 991
 992 void DolphinView::slotDeleteFileFinished(KJob* job)
 993 {
 994     if (job->error() == 0) {
 995         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
 996     } else if (job->error() != KIO::ERR_USER_CANCELED) {
 997         emit errorMessage(job->errorString());
 998     }
 999 }
1000
1001 void DolphinView::slotDirListerStarted(const KUrl& url)
1002 {
1003     // Disable the writestate temporary until it can be determined in a fast way
1004     // in DolphinView::slotDirListerCompleted()
1005     if (m_isFolderWritable) {
1006         m_isFolderWritable = false;
1007         emit writeStateChanged(m_isFolderWritable);
1008     }
1009
1010     emit startedPathLoading(url);
1011 }
1012
1013 void DolphinView::slotDirListerCompleted()
1014 {
1015     // Update the view-state. This has to be done using a Qt::QueuedConnection
1016     // because the view might not be in its final state yet (the view also
1017     // listens to the completed()-signal from KDirLister and the order of
1018     // of slots is undefined).
1019     QTimer::singleShot(0, this, SLOT(updateViewState()));
1020
1021     emit finishedPathLoading(url());
1022
1023     updateWritableState();
1024 }
1025
1026 void DolphinView::slotRefreshItems()
1027 {
1028     if (m_assureVisibleCurrentIndex) {
1029         m_assureVisibleCurrentIndex = false;
1030         //QAbstractItemView* view = m_viewAccessor.itemView();
1031         //if (view) {
1032         //    m_viewAccessor.itemView()->scrollTo(m_viewAccessor.itemView()->currentIndex());
1033         //}
1034     }
1035 }
1036
1037 KFileItemModel* DolphinView::fileItemModel() const
1038 {
1039     return static_cast<KFileItemModel*>(m_container->controller()->model());
1040 }
1041
1042 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1043 {
1044     if (!url.isValid()) {
1045         const QString location(url.pathOrUrl());
1046         if (location.isEmpty()) {
1047             emit errorMessage(i18nc("@info:status", "The location is empty."));
1048         } else {
1049             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1050         }
1051         return;
1052     }
1053
1054     m_dirLister->openUrl(url, reload ? KDirLister::Reload : KDirLister::NoFlags);
1055 }
1056
1057 void DolphinView::applyViewProperties()
1058 {
1059     m_container->beginTransaction();
1060
1061     const ViewProperties props(url());
1062
1063     const Mode mode = props.viewMode();
1064     if (m_mode != mode) {
1065         const Mode previousMode = m_mode;
1066         m_mode = mode;
1067
1068         // Changing the mode might result in changing
1069         // the zoom level. Remember the old zoom level so
1070         // that zoomLevelChanged() can get emitted.
1071         const int oldZoomLevel = m_container->zoomLevel();
1072
1073         switch (m_mode) {
1074         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1075         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1076         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1077         default: Q_ASSERT(false); break;
1078         }
1079
1080         emit modeChanged(m_mode, previousMode);
1081
1082         if (m_container->zoomLevel() != oldZoomLevel) {
1083             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1084         }
1085     }
1086
1087     const bool hiddenFilesShown = props.hiddenFilesShown();
1088     if (hiddenFilesShown != m_dirLister->showingDotFiles()) {
1089         m_dirLister->setShowingDotFiles(hiddenFilesShown);
1090         m_dirLister->emitChanges();
1091         emit hiddenFilesShownChanged(hiddenFilesShown);
1092     }
1093
1094 /*    m_storedCategorizedSorting = props.categorizedSorting();
1095     const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
1096     if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
1097         m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
1098         emit categorizedSortingChanged();
1099     }*/
1100
1101     const DolphinView::Sorting sorting = props.sorting();
1102     KItemModelBase* model = m_container->controller()->model();
1103     const QByteArray newSortRole = sortRoleForSorting(sorting);
1104     if (newSortRole != model->sortRole()) {
1105         model->setSortRole(newSortRole);
1106         emit sortingChanged(sorting);
1107     }
1108 /*
1109     const Qt::SortOrder sortOrder = props.sortOrder();
1110     if (sortOrder != m_viewAccessor.proxyModel()->sortOrder()) {
1111         m_viewAccessor.proxyModel()->setSortOrder(sortOrder);
1112         emit sortOrderChanged(sortOrder);
1113     }
1114
1115     const bool sortFoldersFirst = props.sortFoldersFirst();
1116     if (sortFoldersFirst != m_viewAccessor.proxyModel()->sortFoldersFirst()) {
1117         m_viewAccessor.proxyModel()->setSortFoldersFirst(sortFoldersFirst);
1118         emit sortFoldersFirstChanged(sortFoldersFirst);
1119     }
1120 */
1121     const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
1122     if (infoList != m_additionalInfoList) {
1123         const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
1124         m_additionalInfoList = infoList;
1125         applyAdditionalInfoListToView();
1126         emit additionalInfoListChanged(m_additionalInfoList, previousList);
1127     }
1128
1129     const bool previewsShown = props.previewsShown();
1130     if (previewsShown != m_container->previewsShown()) {
1131         const int oldZoomLevel = zoomLevel();
1132
1133         m_container->setPreviewsShown(previewsShown);
1134         emit previewsShownChanged(previewsShown);
1135
1136         // Changing the preview-state might result in a changed zoom-level
1137         if (oldZoomLevel != zoomLevel()) {
1138             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1139         }
1140     }
1141
1142     m_container->endTransaction();
1143 }
1144
1145 void DolphinView::applyAdditionalInfoListToView()
1146 {
1147     const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
1148
1149     QHash<QByteArray, int> visibleRoles;
1150     visibleRoles.insert("name", 0);
1151
1152     int index = 1;
1153     foreach (AdditionalInfo info, m_additionalInfoList) {
1154         visibleRoles.insert(infoAccessor.role(info), index);
1155         ++index;
1156     }
1157
1158     m_container->setVisibleRoles(visibleRoles);
1159 }
1160
1161 void DolphinView::pasteToUrl(const KUrl& url)
1162 {
1163     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1164     KonqOperations::doPaste(this, url);
1165 }
1166
1167 void DolphinView::updateZoomLevel(int oldZoomLevel)
1168 {
1169     Q_UNUSED(oldZoomLevel);
1170  /*   const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
1171     if (oldZoomLevel != newZoomLevel) {
1172         m_viewModeController->setZoomLevel(newZoomLevel);
1173         emit zoomLevelChanged(newZoomLevel);
1174     }*/
1175 }
1176
1177 KUrl::List DolphinView::simplifiedSelectedUrls() const
1178 {
1179     KUrl::List urls;
1180
1181     const KFileItemList items = selectedItems();
1182     foreach (const KFileItem &item, items) {
1183         urls.append(item.url());
1184     }
1185
1186     if (itemsExpandable()) {
1187         // TODO: Check if we still need KDirModel for this in KDE 5.0
1188         urls = KDirModel::simplifiedUrlList(urls);
1189     }
1190
1191     return urls;
1192 }
1193
1194 QMimeData* DolphinView::selectionMimeData() const
1195 {
1196     const KFileItemModel* model = fileItemModel();
1197     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1198     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1199
1200     return model->createMimeData(selectedIndexes);
1201 }
1202
1203 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1204 {
1205     const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
1206     markUrlsAsSelected(urls);
1207 }
1208
1209 void DolphinView::updateWritableState()
1210 {
1211     const bool wasFolderWritable = m_isFolderWritable;
1212     m_isFolderWritable = true;
1213
1214     const KFileItem item = m_dirLister->rootItem();
1215     if (!item.isNull()) {
1216         KFileItemListProperties capabilities(KFileItemList() << item);
1217         m_isFolderWritable = capabilities.supportsWriting();
1218     }
1219     if (m_isFolderWritable != wasFolderWritable) {
1220         emit writeStateChanged(m_isFolderWritable);
1221     }
1222 }
1223
1224 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1225 {
1226     switch (sorting) {
1227     case SortByName:        return "name";
1228     case SortBySize:        return "size";
1229     case SortByDate:        return "date";
1230     case SortByPermissions: return "permissions";
1231     case SortByOwner:       return "owner";
1232     case SortByGroup:       return "group";
1233     case SortByType:        return "type";
1234     case SortByDestination: return "destination";
1235     case SortByPath:        return "path";
1236     default: break;
1237     }
1238
1239     return QByteArray();
1240 }
1241
1242 #include "dolphinview.moc"