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