src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QApplication>
  25 #include <QClipboard>
  26 #include <QKeyEvent>
  27 #include <QItemSelection>
  28 #include <QBoxLayout>
  29 #include <QTimer>
  30 #include <QScrollBar>
  31
  32 #include <KActionCollection>
  33 #include <KColorScheme>
  34 #include <KDirLister>
  35 #include <KIconEffect>
  36 #include <KFileItem>
  37 #include <KFileItemListProperties>
  38 #include <KLocale>
  39 #include <kitemviews/kfileitemmodel.h>
  40 #include <kitemviews/kfileitemlistview.h>
  41 #include <kitemviews/kitemlistselectionmanager.h>
  42 #include <kitemviews/kitemlistview.h>
  43 #include <kitemviews/kitemlistcontroller.h>
  44 #include <KIO/DeleteJob>
  45 #include <KIO/NetAccess>
  46 #include <KIO/PreviewJob>
  47 #include <KJob>
  48 #include <KMenu>
  49 #include <KMessageBox>
  50 #include <konq_fileitemcapabilities.h>
  51 #include <konq_operations.h>
  52 #include <konqmimedata.h>
  53 #include <KToggleAction>
  54 #include <KUrl>
  55
  56 #include "additionalinfoaccessor.h"
  57 #include "dolphindirlister.h"
  58 #include "dolphinnewfilemenuobserver.h"
  59 #include "dolphin_detailsmodesettings.h"
  60 #include "dolphin_generalsettings.h"
  61 #include "dolphinitemlistcontainer.h"
  62 #include "renamedialog.h"
  63 #include "settings/dolphinsettings.h"
  64 #include "viewmodecontroller.h"
  65 #include "viewproperties.h"
  66 #include "views/tooltips/tooltipmanager.h"
  67 #include "zoomlevelinfo.h"
  68
  69 namespace {
  70     const int MaxModeEnum = DolphinView::CompactView;
  71     const int MaxSortingEnum = DolphinView::SortByPath;
  72 };
  73
  74 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  75     QWidget(parent),
  76     m_active(true),
  77     m_tabsForFiles(false),
  78     m_assureVisibleCurrentIndex(false),
  79     m_isFolderWritable(true),
  80     m_url(url),
  81     m_mode(DolphinView::IconsView),
  82     m_additionalInfoList(),
  83     m_topLayout(0),
  84     m_dirLister(0),
  85     m_container(0),
  86     m_toolTipManager(0),
  87     m_selectionChangedTimer(0),
  88     m_currentItemIndex(-1),
  89     m_restoredContentsPosition(),
  90     m_createdItemUrl(),
  91     m_selectedItems()
  92 {
  93     m_topLayout = new QVBoxLayout(this);
  94     m_topLayout->setSpacing(0);
  95     m_topLayout->setMargin(0);
  96
  97     //m_dolphinViewController = new DolphinViewController(this);
  98
  99     //m_viewModeController = new ViewModeController(this);
 100     //m_viewModeController->setUrl(url);
 101
 102     /*connect(m_viewModeController, SIGNAL(urlChanged(KUrl)),
 103             this, SIGNAL(urlChanged(KUrl)));
 104
 105     connect(m_dolphinViewController, SIGNAL(requestContextMenu(QPoint,QList<QAction*>)),
 106             this, SLOT(openContextMenu(QPoint,QList<QAction*>)));
 107     connect(m_dolphinViewController, SIGNAL(urlsDropped(KFileItem,KUrl,QDropEvent*)),
 108             this, SLOT(dropUrls(KFileItem,KUrl,QDropEvent*)));
 109     connect(m_dolphinViewController, SIGNAL(sortingChanged(DolphinView::Sorting)),
 110             this, SLOT(updateSorting(DolphinView::Sorting)));
 111     connect(m_dolphinViewController, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 112             this, SLOT(updateSortOrder(Qt::SortOrder)));
 113     connect(m_dolphinViewController, SIGNAL(sortFoldersFirstChanged(bool)),
 114             this, SLOT(updateSortFoldersFirst(bool)));
 115     connect(m_dolphinViewController, SIGNAL(additionalInfoChanged(QList<DolphinView::AdditionalInfo>)),
 116             this, SLOT(updateAdditionalInfo(QList<DolphinView::AdditionalInfo>)));*/
 117     //connect(m_dolphinViewController, SIGNAL(itemTriggered(KFileItem)),
 118     //        this, SLOT(triggerItem(KFileItem)));
 119     //connect(m_dolphinViewController, SIGNAL(tabRequested(KUrl)),
 120     //        this, SIGNAL(tabRequested(KUrl)));
 121     /*connect(m_dolphinViewController, SIGNAL(activated()),
 122             this, SLOT(activate()));
 123     connect(m_dolphinViewController, SIGNAL(itemEntered(KFileItem)),
 124             this, SLOT(showHoverInformation(KFileItem)));
 125     connect(m_dolphinViewController, SIGNAL(viewportEntered()),
 126             this, SLOT(clearHoverInformation()));
 127     connect(m_dolphinViewController, SIGNAL(urlChangeRequested(KUrl)),
 128             this, SLOT(slotUrlChangeRequested(KUrl)));*/
 129
 130     // When a new item has been created by the "Create New..." menu, the item should
 131     // get selected and it must be assured that the item will get visible. As the
 132     // creation is done asynchronously, several signals must be checked:
 133     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 134             this, SLOT(observeCreatedItem(KUrl)));
 135
 136     m_selectionChangedTimer = new QTimer(this);
 137     m_selectionChangedTimer->setSingleShot(true);
 138     m_selectionChangedTimer->setInterval(300);
 139     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 140             this, SLOT(emitSelectionChangedSignal()));
 141
 142     m_dirLister = new DolphinDirLister(this);
 143     m_dirLister->setAutoUpdate(true);
 144     m_dirLister->setDelayedMimeTypes(true);
 145
 146     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
 147     connect(m_dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
 148     connect(m_dirLister, SIGNAL(completed()),            this, SLOT(slotDirListerCompleted()));
 149     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)),
 150             this, SLOT(slotRefreshItems()));
 151
 152     connect(m_dirLister, SIGNAL(clear()),                     this, SIGNAL(itemCountChanged()));
 153     connect(m_dirLister, SIGNAL(newItems(KFileItemList)),     this, SIGNAL(itemCountChanged()));
 154     connect(m_dirLister, SIGNAL(infoMessage(QString)),        this, SIGNAL(infoMessage(QString)));
 155     connect(m_dirLister, SIGNAL(errorMessage(QString)),       this, SIGNAL(infoMessage(QString)));
 156     connect(m_dirLister, SIGNAL(percent(int)),                this, SIGNAL(pathLoadingProgress(int)));
 157     connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)),        this, SIGNAL(urlIsFileError(KUrl)));
 158     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SIGNAL(itemCountChanged()));
 159
 160     m_container = new DolphinItemListContainer(m_dirLister, this);
 161     QHash<QByteArray, int> visibleRoles;
 162     visibleRoles.insert("name", 0);
 163     m_container->setVisibleRoles(visibleRoles);
 164
 165     KItemListController* controller = m_container->controller();
 166     controller->setSelectionBehavior(KItemListController::MultiSelection);
 167     connect(controller, SIGNAL(itemClicked(int,Qt::MouseButton)),
 168             this, SLOT(slotItemClicked(int,Qt::MouseButton)));
 169     connect(controller, SIGNAL(itemExpansionToggleClicked(int)), this, SLOT(slotItemExpansionToggleClicked(int)));
 170     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 171     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 172
 173     KItemListSelectionManager* selectionManager = controller->selectionManager();
 174     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 175             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 176
 177     m_toolTipManager = new ToolTipManager(this);
 178
 179     applyViewProperties();
 180     m_topLayout->addWidget(m_container);
 181
 182     loadDirectory(url);
 183 }
 184
 185 DolphinView::~DolphinView()
 186 {
 187 }
 188
 189 KUrl DolphinView::url() const
 190 {
 191     return m_url;
 192 }
 193
 194 void DolphinView::setActive(bool active)
 195 {
 196     if (active == m_active) {
 197         return;
 198     }
 199
 200     m_active = active;
 201
 202     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 203     if (!active) {
 204         color.setAlpha(150);
 205     }
 206
 207     /*QAbstractItemView* view = m_viewAccessor.itemView();
 208     QWidget* viewport = view ? view->viewport() : 0;
 209     if (viewport) {
 210         QPalette palette;
 211         palette.setColor(viewport->backgroundRole(), color);
 212         viewport->setPalette(palette);
 213     }*/
 214
 215     update();
 216
 217     if (active) {
 218         //if (view) {
 219         //    view->setFocus();
 220         //}
 221         emit activated();
 222         emit writeStateChanged(m_isFolderWritable);
 223     }
 224
 225     //m_viewModeController->indicateActivationChange(active);
 226 }
 227
 228 bool DolphinView::isActive() const
 229 {
 230     return m_active;
 231 }
 232
 233 void DolphinView::setMode(Mode mode)
 234 {
 235     if (mode != m_mode) {
 236         ViewProperties props(url());
 237         props.setViewMode(mode);
 238         props.save();
 239
 240         applyViewProperties();
 241     }
 242 }
 243
 244 DolphinView::Mode DolphinView::mode() const
 245 {
 246     return m_mode;
 247 }
 248
 249 bool DolphinView::previewsShown() const
 250 {
 251     return m_container->previewsShown();
 252 }
 253
 254 bool DolphinView::hiddenFilesShown() const
 255 {
 256     return m_dirLister->showingDotFiles();
 257 }
 258
 259 bool DolphinView::categorizedSorting() const
 260 {
 261     return false; //m_storedCategorizedSorting;
 262 }
 263
 264 KFileItemList DolphinView::items() const
 265 {
 266     return m_dirLister->items();
 267 }
 268
 269 KFileItemList DolphinView::selectedItems() const
 270 {
 271     const KFileItemModel* model = fileItemModel();
 272     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 273     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 274
 275     KFileItemList selectedItems;
 276     QSetIterator<int> it(selectedIndexes);
 277     while (it.hasNext()) {
 278         const int index = it.next();
 279         selectedItems.append(model->fileItem(index));
 280     }
 281     return selectedItems;
 282 }
 283
 284 int DolphinView::selectedItemsCount() const
 285 {
 286     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 287     return selectionManager->selectedItems().count();
 288 }
 289
 290 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 291 {
 292     foreach (const KUrl& url, urls) {
 293         KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 294         m_selectedItems.append(item);
 295     }
 296 }
 297
 298 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 299 {
 300     const KItemListSelectionManager::SelectionMode mode = enabled
 301                                                         ? KItemListSelectionManager::Select
 302                                                         : KItemListSelectionManager::Deselect;
 303     const KFileItemModel* model = fileItemModel();
 304     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 305
 306     for (int index = 0; index < model->count(); index++) {
 307         const KFileItem item = model->fileItem(index);
 308         if (pattern.exactMatch(item.name())) {
 309             // An alternative approach would be to store the matching items in a QSet<int> and
 310             // select them in one go after the loop, but we'd need a new function
 311             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 312             // for that.
 313             selectionManager->setSelected(index, 1, mode);
 314         }
 315     }
 316 }
 317
 318 void DolphinView::setZoomLevel(int level)
 319 {
 320     const int oldZoomLevel = zoomLevel();
 321     m_container->setZoomLevel(level);
 322     if (zoomLevel() != oldZoomLevel) {
 323         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 324     }
 325 }
 326
 327 int DolphinView::zoomLevel() const
 328 {
 329     return m_container->zoomLevel();
 330 }
 331
 332 void DolphinView::setSorting(Sorting sorting)
 333 {
 334     if (sorting != this->sorting()) {
 335         updateSorting(sorting);
 336     }
 337 }
 338
 339 DolphinView::Sorting DolphinView::sorting() const
 340 {
 341     return DolphinView::SortByName;
 342     //return m_viewAccessor.proxyModel()->sorting();
 343 }
 344
 345 void DolphinView::setSortOrder(Qt::SortOrder order)
 346 {
 347     if (sortOrder() != order) {
 348         updateSortOrder(order);
 349     }
 350 }
 351
 352 Qt::SortOrder DolphinView::sortOrder() const
 353 {
 354     return Qt::AscendingOrder; // m_viewAccessor.proxyModel()->sortOrder();
 355 }
 356
 357 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 358 {
 359     if (sortFoldersFirst() != foldersFirst) {
 360         updateSortFoldersFirst(foldersFirst);
 361     }
 362 }
 363
 364 bool DolphinView::sortFoldersFirst() const
 365 {
 366     return true; // m_viewAccessor.proxyModel()->sortFoldersFirst();
 367 }
 368
 369 void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
 370 {
 371     const QList<AdditionalInfo> previousList = info;
 372
 373     ViewProperties props(url());
 374     props.setAdditionalInfoList(info);
 375
 376     m_additionalInfoList = info;
 377     applyAdditionalInfoListToView();
 378
 379     emit additionalInfoListChanged(m_additionalInfoList, previousList);
 380 }
 381
 382 QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
 383 {
 384     return m_additionalInfoList;
 385 }
 386
 387 void DolphinView::reload()
 388 {
 389     QByteArray viewState;
 390     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 391     saveState(saveStream);
 392     m_selectedItems= selectedItems();
 393
 394     setUrl(url());
 395     loadDirectory(url(), true);
 396
 397     QDataStream restoreStream(viewState);
 398     restoreState(restoreStream);
 399 }
 400
 401 void DolphinView::stopLoading()
 402 {
 403     m_dirLister->stop();
 404 }
 405
 406 void DolphinView::refresh()
 407 {
 408     const bool oldActivationState = m_active;
 409     const int oldZoomLevel = zoomLevel();
 410     m_active = true;
 411
 412     applyViewProperties();
 413     reload();
 414
 415     setActive(oldActivationState);
 416     updateZoomLevel(oldZoomLevel);
 417 }
 418
 419 void DolphinView::setNameFilter(const QString& nameFilter)
 420 {
 421     Q_UNUSED(nameFilter);
 422     //m_viewModeController->setNameFilter(nameFilter);
 423 }
 424
 425 QString DolphinView::nameFilter() const
 426 {
 427     return QString(); //m_viewModeController->nameFilter();
 428 }
 429
 430 void DolphinView::calculateItemCount(int& fileCount,
 431                                      int& folderCount,
 432                                      KIO::filesize_t& totalFileSize) const
 433 {
 434     foreach (const KFileItem& item, m_dirLister->items()) {
 435         if (item.isDir()) {
 436             ++folderCount;
 437         } else {
 438             ++fileCount;
 439             totalFileSize += item.size();
 440         }
 441     }
 442 }
 443
 444 QString DolphinView::statusBarText() const
 445 {
 446     QString text;
 447     int folderCount = 0;
 448     int fileCount = 0;
 449     KIO::filesize_t totalFileSize = 0;
 450
 451     if (hasSelection()) {
 452         // give a summary of the status of the selected files
 453         const KFileItemList list = selectedItems();
 454         if (list.isEmpty()) {
 455             // when an item is triggered, it is temporary selected but selectedItems()
 456             // will return an empty list
 457             return text;
 458         }
 459
 460         KFileItemList::const_iterator it = list.begin();
 461         const KFileItemList::const_iterator end = list.end();
 462         while (it != end) {
 463             const KFileItem& item = *it;
 464             if (item.isDir()) {
 465                 ++folderCount;
 466             } else {
 467                 ++fileCount;
 468                 totalFileSize += item.size();
 469             }
 470             ++it;
 471         }
 472
 473         if (folderCount + fileCount == 1) {
 474             // if only one item is selected, show the filename
 475             const QString name = list.first().text();
 476             text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
 477                                         i18nc("@info:status", "<filename>%1</filename> selected (%2)",
 478                                               name, KIO::convertSize(totalFileSize));
 479         } else {
 480             // at least 2 items are selected
 481             const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 482             const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 483             if ((folderCount > 0) && (fileCount > 0)) {
 484                 text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 485                              foldersText, filesText, KIO::convertSize(totalFileSize));
 486             } else if (fileCount > 0) {
 487                 text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
 488             } else {
 489                 Q_ASSERT(folderCount > 0);
 490                 text = foldersText;
 491             }
 492         }
 493     } else {
 494         calculateItemCount(fileCount, folderCount, totalFileSize);
 495         text = KIO::itemsSummaryString(fileCount + folderCount,
 496                                        fileCount, folderCount,
 497                                        totalFileSize, true);
 498     }
 499
 500     return text;
 501 }
 502
 503 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 504 {
 505     Q_UNUSED(items);
 506     return QList<QAction*>(); //m_dolphinViewController->versionControlActions(items);
 507 }
 508
 509 void DolphinView::setUrl(const KUrl& url)
 510 {
 511     if (url == m_url) {
 512         return;
 513     }
 514
 515     emit urlAboutToBeChanged(url);
 516     m_url = url;
 517
 518     if (GeneralSettings::showToolTips()) {
 519         m_toolTipManager->hideToolTip();
 520     }
 521
 522     // It is important to clear the items from the model before
 523     // applying the view properties, otherwise expensive operations
 524     // might be done on the existing items although they get cleared
 525     // anyhow afterwards by loadDirectory().
 526     fileItemModel()->clear();
 527     applyViewProperties();
 528     loadDirectory(url);
 529
 530     emit urlChanged(url);
 531 }
 532
 533 void DolphinView::selectAll()
 534 {
 535     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 536     selectionManager->setSelected(0, fileItemModel()->count());
 537 }
 538
 539 void DolphinView::invertSelection()
 540 {
 541     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 542     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 543 }
 544
 545 void DolphinView::clearSelection()
 546 {
 547     m_container->controller()->selectionManager()->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 KFileItemModel* model = fileItemModel();
1162     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1163     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1164
1165     return model->createMimeData(selectedIndexes);
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 void DolphinView::updateWritableState()
1175 {
1176     const bool wasFolderWritable = m_isFolderWritable;
1177     m_isFolderWritable = true;
1178
1179     const KFileItem item = m_dirLister->rootItem();
1180     if (!item.isNull()) {
1181         KFileItemListProperties capabilities(KFileItemList() << item);
1182         m_isFolderWritable = capabilities.supportsWriting();
1183     }
1184     if (m_isFolderWritable != wasFolderWritable) {
1185         emit writeStateChanged(m_isFolderWritable);
1186     }
1187 }
1188
1189 QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
1190 {
1191     switch (sorting) {
1192     case SortByName:        return "name";
1193     case SortBySize:        return "size";
1194     case SortByDate:        return "date";
1195     case SortByPermissions: return "permissions";
1196     case SortByOwner:       return "owner";
1197     case SortByGroup:       return "group";
1198     case SortByType:        return "type";
1199     case SortByDestination: return "destination";
1200     case SortByPath:        return "path";
1201     default: break;
1202     }
1203
1204     return QByteArray();
1205 }
1206
1207 #include "dolphinview.moc"