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