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 <config-nepomuk.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QBoxLayout>
  28 #include <QClipboard>
  29 #include <QDropEvent>
  30 #include <QGraphicsSceneDragDropEvent>
  31 #include <QKeyEvent>
  32 #include <QItemSelection>
  33 #include <QTimer>
  34 #include <QScrollBar>
  35
  36 #include <KActionCollection>
  37 #include <KColorScheme>
  38 #include <KDirModel>
  39 #include <KIconEffect>
  40 #include <KFileItem>
  41 #include <KFileItemListProperties>
  42 #include <KLocale>
  43 #include <kitemviews/kfileitemmodel.h>
  44 #include <kitemviews/kfileitemlistview.h>
  45 #include <kitemviews/kitemlistcontainer.h>
  46 #include <kitemviews/kitemlistheader.h>
  47 #include <kitemviews/kitemlistselectionmanager.h>
  48 #include <kitemviews/kitemlistview.h>
  49 #include <kitemviews/kitemlistcontroller.h>
  50 #include <KIO/DeleteJob>
  51 #include <KIO/JobUiDelegate>
  52 #include <KIO/NetAccess>
  53 #include <KIO/PreviewJob>
  54 #include <KJob>
  55 #include <KMenu>
  56 #include <KMessageBox>
  57 #include <konq_fileitemcapabilities.h>
  58 #include <konq_operations.h>
  59 #include <konqmimedata.h>
  60 #include <KToggleAction>
  61 #include <KUrl>
  62
  63 #include "dolphinnewfilemenuobserver.h"
  64 #include "dolphin_detailsmodesettings.h"
  65 #include "dolphin_generalsettings.h"
  66 #include "dolphinitemlistview.h"
  67 #include "draganddrophelper.h"
  68 #include "renamedialog.h"
  69 #include "versioncontrol/versioncontrolobserver.h"
  70 #include "viewmodecontroller.h"
  71 #include "viewproperties.h"
  72 #include "views/tooltips/tooltipmanager.h"
  73 #include "zoomlevelinfo.h"
  74
  75 #ifdef HAVE_NEPOMUK
  76     #include <Nepomuk/ResourceManager>
  77 #endif
  78
  79 namespace {
  80     const int MaxModeEnum = DolphinView::CompactView;
  81 };
  82
  83 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  84     QWidget(parent),
  85     m_active(true),
  86     m_tabsForFiles(false),
  87     m_assureVisibleCurrentIndex(false),
  88     m_isFolderWritable(true),
  89     m_dragging(false),
  90     m_url(url),
  91     m_mode(DolphinView::IconsView),
  92     m_visibleRoles(),
  93     m_topLayout(0),
  94     m_model(0),
  95     m_view(0),
  96     m_container(0),
  97     m_toolTipManager(0),
  98     m_selectionChangedTimer(0),
  99     m_currentItemUrl(),
 100     m_restoredContentsPosition(),
 101     m_createdItemUrl(),
 102     m_selectedUrls(),
 103     m_versionControlObserver(0)
 104 {
 105     m_topLayout = new QVBoxLayout(this);
 106     m_topLayout->setSpacing(0);
 107     m_topLayout->setMargin(0);
 108
 109     // When a new item has been created by the "Create New..." menu, the item should
 110     // get selected and it must be assured that the item will get visible. As the
 111     // creation is done asynchronously, several signals must be checked:
 112     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 113             this, SLOT(observeCreatedItem(KUrl)));
 114
 115     m_selectionChangedTimer = new QTimer(this);
 116     m_selectionChangedTimer->setSingleShot(true);
 117     m_selectionChangedTimer->setInterval(300);
 118     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 119             this, SLOT(emitSelectionChangedSignal()));
 120
 121     m_model = new KFileItemModel(this);
 122     m_view = new DolphinItemListView();
 123     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 124     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 125     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 126     applyModeToView();
 127
 128     KItemListController* controller = new KItemListController(m_model, m_view, this);
 129     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 130     controller->setAutoActivationDelay(delay);
 131
 132     m_container = new KItemListContainer(controller, this);
 133     m_container->installEventFilter(this);
 134     setFocusProxy(m_container);
 135     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 136     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 137
 138     controller->setSelectionBehavior(KItemListController::MultiSelection);
 139     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 140     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 141     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 142     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 143     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 144     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 145     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 146     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 147     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 148     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 149     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 150
 151     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 152     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 153     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 154     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 155     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 156             this, SLOT(slotItemsChanged()));
 157     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 158     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 159     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 160     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 161     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 162
 163     m_view->installEventFilter(this);
 164     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 165             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 166     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 167             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 168     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 169             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 170     connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 171             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 172     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 173             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 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     m_versionControlObserver = new VersionControlObserver(this);
 182     m_versionControlObserver->setModel(m_model);
 183     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 184     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 185     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 186
 187     applyViewProperties();
 188     m_topLayout->addWidget(m_container);
 189
 190     loadDirectory(url);
 191 }
 192
 193 DolphinView::~DolphinView()
 194 {
 195 }
 196
 197 KUrl DolphinView::url() const
 198 {
 199     return m_url;
 200 }
 201
 202 void DolphinView::setActive(bool active)
 203 {
 204     if (active == m_active) {
 205         return;
 206     }
 207
 208     m_active = active;
 209
 210     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 211     if (!active) {
 212         color.setAlpha(150);
 213     }
 214
 215     QWidget* viewport = m_container->viewport();
 216     if (viewport) {
 217         QPalette palette;
 218         palette.setColor(viewport->backgroundRole(), color);
 219         viewport->setPalette(palette);
 220     }
 221
 222     update();
 223
 224     if (active) {
 225         m_container->setFocus();
 226         emit activated();
 227         emit writeStateChanged(m_isFolderWritable);
 228     }
 229 }
 230
 231 bool DolphinView::isActive() const
 232 {
 233     return m_active;
 234 }
 235
 236 void DolphinView::setMode(Mode mode)
 237 {
 238     if (mode != m_mode) {
 239         ViewProperties props(url());
 240         props.setViewMode(mode);
 241         props.save();
 242
 243         applyViewProperties();
 244     }
 245 }
 246
 247 DolphinView::Mode DolphinView::mode() const
 248 {
 249     return m_mode;
 250 }
 251
 252 void DolphinView::setPreviewsShown(bool show)
 253 {
 254     if (previewsShown() == show) {
 255         return;
 256     }
 257
 258     ViewProperties props(url());
 259     props.setPreviewsShown(show);
 260
 261     m_view->setPreviewsShown(show);
 262     emit previewsShownChanged(show);
 263 }
 264
 265 bool DolphinView::previewsShown() const
 266 {
 267     return m_view->previewsShown();
 268 }
 269
 270 void DolphinView::setHiddenFilesShown(bool show)
 271 {
 272     if (m_model->showHiddenFiles() == show) {
 273         return;
 274     }
 275
 276     const KFileItemList itemList = selectedItems();
 277     m_selectedUrls.clear();
 278     m_selectedUrls = itemList.urlList();
 279
 280     ViewProperties props(url());
 281     props.setHiddenFilesShown(show);
 282
 283     m_model->setShowHiddenFiles(show);
 284     emit hiddenFilesShownChanged(show);
 285 }
 286
 287 bool DolphinView::hiddenFilesShown() const
 288 {
 289     return m_model->showHiddenFiles();
 290 }
 291
 292 void DolphinView::setGroupedSorting(bool grouped)
 293 {
 294     if (grouped == groupedSorting()) {
 295         return;
 296     }
 297
 298     ViewProperties props(url());
 299     props.setGroupedSorting(grouped);
 300     props.save();
 301
 302     m_container->controller()->model()->setGroupedSorting(grouped);
 303
 304     emit groupedSortingChanged(grouped);
 305 }
 306
 307 bool DolphinView::groupedSorting() const
 308 {
 309     return m_model->groupedSorting();
 310 }
 311
 312 KFileItemList DolphinView::items() const
 313 {
 314     KFileItemList list;
 315     const int itemCount = m_model->count();
 316     list.reserve(itemCount);
 317
 318     for (int i = 0; i < itemCount; ++i) {
 319         list.append(m_model->fileItem(i));
 320     }
 321
 322     return list;
 323 }
 324
 325 int DolphinView::itemsCount() const
 326 {
 327     return m_model->count();
 328 }
 329
 330 KFileItemList DolphinView::selectedItems() const
 331 {
 332     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 333     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 334
 335     KFileItemList selectedItems;
 336     QSetIterator<int> it(selectedIndexes);
 337     while (it.hasNext()) {
 338         const int index = it.next();
 339         selectedItems.append(m_model->fileItem(index));
 340     }
 341     return selectedItems;
 342 }
 343
 344 int DolphinView::selectedItemsCount() const
 345 {
 346     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 347     return selectionManager->selectedItems().count();
 348 }
 349
 350 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 351 {
 352     m_selectedUrls = urls;
 353 }
 354
 355 void DolphinView::markUrlAsCurrent(const KUrl& url)
 356 {
 357     m_currentItemUrl = url;
 358 }
 359
 360 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 361 {
 362     const KItemListSelectionManager::SelectionMode mode = enabled
 363                                                         ? KItemListSelectionManager::Select
 364                                                         : KItemListSelectionManager::Deselect;
 365     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 366
 367     for (int index = 0; index < m_model->count(); index++) {
 368         const KFileItem item = m_model->fileItem(index);
 369         if (pattern.exactMatch(item.text())) {
 370             // An alternative approach would be to store the matching items in a QSet<int> and
 371             // select them in one go after the loop, but we'd need a new function
 372             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 373             // for that.
 374             selectionManager->setSelected(index, 1, mode);
 375         }
 376     }
 377 }
 378
 379 void DolphinView::setZoomLevel(int level)
 380 {
 381     const int oldZoomLevel = zoomLevel();
 382     m_view->setZoomLevel(level);
 383     if (zoomLevel() != oldZoomLevel) {
 384         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 385     }
 386 }
 387
 388 int DolphinView::zoomLevel() const
 389 {
 390     return m_view->zoomLevel();
 391 }
 392
 393 void DolphinView::setSortRole(const QByteArray& role)
 394 {
 395     if (role != sortRole()) {
 396         updateSortRole(role);
 397     }
 398 }
 399
 400 QByteArray DolphinView::sortRole() const
 401 {
 402     const KItemModelBase* model = m_container->controller()->model();
 403     return model->sortRole();
 404 }
 405
 406 void DolphinView::setSortOrder(Qt::SortOrder order)
 407 {
 408     if (sortOrder() != order) {
 409         updateSortOrder(order);
 410     }
 411 }
 412
 413 Qt::SortOrder DolphinView::sortOrder() const
 414 {
 415     return m_model->sortOrder();
 416 }
 417
 418 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 419 {
 420     if (sortFoldersFirst() != foldersFirst) {
 421         updateSortFoldersFirst(foldersFirst);
 422     }
 423 }
 424
 425 bool DolphinView::sortFoldersFirst() const
 426 {
 427     return m_model->sortDirectoriesFirst();
 428 }
 429
 430 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 431 {
 432     const QList<QByteArray> previousRoles = roles;
 433
 434     ViewProperties props(url());
 435     props.setVisibleRoles(roles);
 436
 437     m_visibleRoles = roles;
 438     m_view->setVisibleRoles(roles);
 439
 440     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 441 }
 442
 443 QList<QByteArray> DolphinView::visibleRoles() const
 444 {
 445     return m_visibleRoles;
 446 }
 447
 448 void DolphinView::reload()
 449 {
 450     QByteArray viewState;
 451     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 452     saveState(saveStream);
 453
 454     const KFileItemList itemList = selectedItems();
 455     m_selectedUrls.clear();
 456     m_selectedUrls = itemList.urlList();
 457
 458     setUrl(url());
 459     loadDirectory(url(), true);
 460
 461     QDataStream restoreStream(viewState);
 462     restoreState(restoreStream);
 463 }
 464
 465 void DolphinView::stopLoading()
 466 {
 467     m_model->cancelDirectoryLoading();
 468 }
 469
 470 void DolphinView::readSettings()
 471 {
 472     const int oldZoomLevel = m_view->zoomLevel();
 473
 474     GeneralSettings::self()->readConfig();
 475     m_view->readSettings();
 476     applyViewProperties();
 477
 478     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 479     m_container->controller()->setAutoActivationDelay(delay);
 480
 481     const int newZoomLevel = m_view->zoomLevel();
 482     if (newZoomLevel != oldZoomLevel) {
 483         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 484     }
 485 }
 486
 487 void DolphinView::writeSettings()
 488 {
 489     GeneralSettings::self()->writeConfig();
 490     m_view->writeSettings();
 491 }
 492
 493 void DolphinView::setNameFilter(const QString& nameFilter)
 494 {
 495     m_model->setNameFilter(nameFilter);
 496 }
 497
 498 QString DolphinView::nameFilter() const
 499 {
 500     return m_model->nameFilter();
 501 }
 502
 503 QString DolphinView::statusBarText() const
 504 {
 505     QString summary;
 506     QString foldersText;
 507     QString filesText;
 508
 509     int folderCount = 0;
 510     int fileCount = 0;
 511     KIO::filesize_t totalFileSize = 0;
 512
 513     if (m_container->controller()->selectionManager()->hasSelection()) {
 514         // Give a summary of the status of the selected files
 515         const KFileItemList list = selectedItems();
 516         foreach (const KFileItem& item, list) {
 517             if (item.isDir()) {
 518                 ++folderCount;
 519             } else {
 520                 ++fileCount;
 521                 totalFileSize += item.size();
 522             }
 523         }
 524
 525         if (folderCount + fileCount == 1) {
 526             // If only one item is selected, show the filename
 527             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 528         } else {
 529             // At least 2 items are selected
 530             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 531             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 532         }
 533     } else {
 534         calculateItemCount(fileCount, folderCount, totalFileSize);
 535         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 536         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 537     }
 538
 539     if (fileCount > 0 && folderCount > 0) {
 540         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 541                         foldersText, filesText,
 542                         KGlobal::locale()->formatByteSize(totalFileSize));
 543     } else if (fileCount > 0) {
 544         summary = i18nc("@info:status files (size)", "%1 (%2)",
 545                         filesText,
 546                         KGlobal::locale()->formatByteSize(totalFileSize));
 547     } else if (folderCount > 0) {
 548         summary = foldersText;
 549     } else {
 550         summary = i18nc("@info:status", "0 Folders, 0 Files");
 551     }
 552
 553     return summary;
 554 }
 555
 556 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 557 {
 558     QList<QAction*> actions;
 559
 560     if (items.isEmpty()) {
 561         const KFileItem item = m_model->rootItem();
 562         if (!item.isNull()) {
 563             actions = m_versionControlObserver->actions(KFileItemList() << item);
 564         }
 565     } else {
 566         actions = m_versionControlObserver->actions(items);
 567     }
 568
 569     return actions;
 570 }
 571
 572 void DolphinView::setUrl(const KUrl& url)
 573 {
 574     if (url == m_url) {
 575         return;
 576     }
 577
 578     emit urlAboutToBeChanged(url);
 579     m_url = url;
 580
 581     hideToolTip();
 582
 583     // It is important to clear the items from the model before
 584     // applying the view properties, otherwise expensive operations
 585     // might be done on the existing items although they get cleared
 586     // anyhow afterwards by loadDirectory().
 587     m_model->clear();
 588     applyViewProperties();
 589     loadDirectory(url);
 590
 591     emit urlChanged(url);
 592 }
 593
 594 void DolphinView::selectAll()
 595 {
 596     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 597     selectionManager->setSelected(0, m_model->count());
 598 }
 599
 600 void DolphinView::invertSelection()
 601 {
 602     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 603     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 604 }
 605
 606 void DolphinView::clearSelection()
 607 {
 608     m_container->controller()->selectionManager()->clearSelection();
 609 }
 610
 611 void DolphinView::renameSelectedItems()
 612 {
 613     const KFileItemList items = selectedItems();
 614      if (items.isEmpty()) {
 615          return;
 616      }
 617
 618      if (items.count() == 1) {
 619          const int index = m_model->index(items.first());
 620          m_container->controller()->view()->editRole(index, "text");
 621      } else {
 622          RenameDialog* dialog = new RenameDialog(this, items);
 623          dialog->setAttribute(Qt::WA_DeleteOnClose);
 624          dialog->show();
 625          dialog->raise();
 626          dialog->activateWindow();
 627      }
 628
 629      // Assure that the current index remains visible when KFileItemModel
 630      // will notify the view about changed items (which might result in
 631      // a changed sorting).
 632      m_assureVisibleCurrentIndex = true;
 633 }
 634
 635 void DolphinView::trashSelectedItems()
 636 {
 637     const KUrl::List list = simplifiedSelectedUrls();
 638     KonqOperations::del(this, KonqOperations::TRASH, list);
 639 }
 640
 641 void DolphinView::deleteSelectedItems()
 642 {
 643     const KUrl::List list = simplifiedSelectedUrls();
 644     const bool del = KonqOperations::askDeleteConfirmation(list,
 645                      KonqOperations::DEL,
 646                      KonqOperations::DEFAULT_CONFIRMATION,
 647                      this);
 648
 649     if (del) {
 650         KIO::Job* job = KIO::del(list);
 651         if (job->ui()) {
 652             job->ui()->setWindow(this);
 653         }
 654         connect(job, SIGNAL(result(KJob*)),
 655                 this, SLOT(slotDeleteFileFinished(KJob*)));
 656     }
 657 }
 658
 659 void DolphinView::cutSelectedItems()
 660 {
 661     QMimeData* mimeData = selectionMimeData();
 662     KonqMimeData::addIsCutSelection(mimeData, true);
 663     QApplication::clipboard()->setMimeData(mimeData);
 664 }
 665
 666 void DolphinView::copySelectedItems()
 667 {
 668     QMimeData* mimeData = selectionMimeData();
 669     QApplication::clipboard()->setMimeData(mimeData);
 670 }
 671
 672 void DolphinView::paste()
 673 {
 674     pasteToUrl(url());
 675 }
 676
 677 void DolphinView::pasteIntoFolder()
 678 {
 679     const KFileItemList items = selectedItems();
 680     if ((items.count() == 1) && items.first().isDir()) {
 681         pasteToUrl(items.first().url());
 682     }
 683 }
 684
 685 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 686 {
 687     switch (event->type()) {
 688     case QEvent::FocusIn:
 689         if (watched == m_container) {
 690             setActive(true);
 691         }
 692         break;
 693
 694     case QEvent::GraphicsSceneDragEnter:
 695         if (watched == m_view) {
 696             m_dragging = true;
 697         }
 698         break;
 699
 700     case QEvent::GraphicsSceneDragLeave:
 701         if (watched == m_view) {
 702             m_dragging = false;
 703         }
 704         break;
 705
 706     case QEvent::GraphicsSceneDrop:
 707         if (watched == m_view) {
 708             m_dragging = false;
 709         }
 710     default:
 711         break;
 712     }
 713
 714     return QWidget::eventFilter(watched, event);
 715 }
 716
 717 void DolphinView::wheelEvent(QWheelEvent* event)
 718 {
 719     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 720         const int numDegrees = event->delta() / 8;
 721         const int numSteps = numDegrees / 15;
 722
 723         setZoomLevel(zoomLevel() + numSteps);
 724         event->accept();
 725     } else {
 726         event->ignore();
 727     }
 728 }
 729
 730 void DolphinView::hideEvent(QHideEvent* event)
 731 {
 732     hideToolTip();
 733     QWidget::hideEvent(event);
 734 }
 735
 736 void DolphinView::activate()
 737 {
 738     setActive(true);
 739 }
 740
 741 void DolphinView::slotItemActivated(int index)
 742 {
 743     const KFileItem item = m_model->fileItem(index);
 744     if (!item.isNull()) {
 745         emit itemActivated(item);
 746     }
 747 }
 748
 749 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 750 {
 751     Q_ASSERT(indexes.count() >= 2);
 752
 753     KFileItemList items;
 754
 755     QSetIterator<int> it(indexes);
 756     while (it.hasNext()) {
 757         const int index = it.next();
 758         items.append(m_model->fileItem(index));
 759     }
 760
 761     foreach (const KFileItem& item, items) {
 762         if (item.isDir()) {
 763             emit tabRequested(item.url());
 764         } else {
 765             emit itemActivated(item);
 766         }
 767     }
 768 }
 769
 770 void DolphinView::slotItemMiddleClicked(int index)
 771 {
 772     const KFileItem item = m_model->fileItem(index);
 773     if (item.isDir() || isTabsForFilesEnabled()) {
 774         emit tabRequested(item.url());
 775     }
 776 }
 777
 778 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 779 {
 780     const KFileItem item = m_model->fileItem(index);
 781     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 782 }
 783
 784 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 785 {
 786     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 787 }
 788
 789 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 790 {
 791     ViewProperties props(url());
 792
 793     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 794
 795     KItemListView* view = m_container->controller()->view();
 796     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 797
 798     bool nepomukRunning = false;
 799     bool indexingEnabled = false;
 800 #ifdef HAVE_NEPOMUK
 801     nepomukRunning = (Nepomuk::ResourceManager::instance()->initialized());
 802     if (nepomukRunning) {
 803         KConfig config("nepomukserverrc");
 804         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", false);
 805     }
 806 #endif
 807
 808     QString groupName;
 809     QMenu* groupMenu = 0;
 810
 811     // Add all roles to the menu that can be shown or hidden by the user
 812     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 813     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 814         if (info.role == "text") {
 815             // It should not be possible to hide the "text" role
 816             continue;
 817         }
 818
 819         const QString text = m_model->roleDescription(info.role);
 820         QAction* action = 0;
 821         if (info.group.isEmpty()) {
 822             action = menu->addAction(text);
 823         } else {
 824             if (!groupMenu || info.group != groupName) {
 825                 groupName = info.group;
 826                 groupMenu = menu->addMenu(groupName);
 827             }
 828
 829             action = groupMenu->addAction(text);
 830         }
 831
 832         action->setCheckable(true);
 833         action->setChecked(visibleRolesSet.contains(info.role));
 834         action->setData(info.role);
 835
 836         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 837                             (info.requiresNepomuk && nepomukRunning) ||
 838                             (info.requiresIndexer && indexingEnabled);
 839         action->setEnabled(enable);
 840     }
 841
 842     menu->addSeparator();
 843
 844     QActionGroup* widthsGroup = new QActionGroup(menu);
 845     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 846
 847     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 848     autoAdjustWidthsAction->setCheckable(true);
 849     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 850     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 851
 852     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 853     customWidthsAction->setCheckable(true);
 854     customWidthsAction->setChecked(!autoColumnWidths);
 855     customWidthsAction->setActionGroup(widthsGroup);
 856
 857     QAction* action = menu->exec(pos.toPoint());
 858     if (menu && action) {
 859         KItemListHeader* header = view->header();
 860
 861         if (action == autoAdjustWidthsAction) {
 862             // Clear the column-widths from the viewproperties and turn on
 863             // the automatic resizing of the columns
 864             props.setHeaderColumnWidths(QList<int>());
 865             header->setAutomaticColumnResizing(true);
 866         } else if (action == customWidthsAction) {
 867             // Apply the current column-widths as custom column-widths and turn
 868             // off the automatic resizing of the columns
 869             QList<int> columnWidths;
 870             foreach (const QByteArray& role, view->visibleRoles()) {
 871                 columnWidths.append(header->columnWidth(role));
 872             }
 873             props.setHeaderColumnWidths(columnWidths);
 874             header->setAutomaticColumnResizing(false);
 875         } else {
 876             // Show or hide the selected role
 877             const QByteArray selectedRole = action->data().toByteArray();
 878
 879             QList<QByteArray> visibleRoles = view->visibleRoles();
 880             if (action->isChecked()) {
 881                 visibleRoles.append(selectedRole);
 882             } else {
 883                 visibleRoles.removeOne(selectedRole);
 884             }
 885
 886             view->setVisibleRoles(visibleRoles);
 887             props.setVisibleRoles(visibleRoles);
 888
 889             QList<int> columnWidths;
 890             if (!header->automaticColumnResizing()) {
 891                 foreach (const QByteArray& role, view->visibleRoles()) {
 892                     columnWidths.append(header->columnWidth(role));
 893                 }
 894             }
 895             props.setHeaderColumnWidths(columnWidths);
 896         }
 897     }
 898
 899     delete menu;
 900 }
 901
 902 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 903 {
 904     Q_UNUSED(previous);
 905
 906     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 907
 908     ViewProperties props(url());
 909     QList<int> columnWidths = props.headerColumnWidths();
 910     if (columnWidths.count() != visibleRoles.count()) {
 911         columnWidths.clear();
 912         columnWidths.reserve(visibleRoles.count());
 913         const KItemListHeader* header = m_view->header();
 914         foreach (const QByteArray& role, visibleRoles) {
 915             const int width = header->columnWidth(role);
 916             columnWidths.append(width);
 917         }
 918     }
 919
 920     const int roleIndex = visibleRoles.indexOf(role);
 921     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 922     columnWidths[roleIndex] = current;
 923
 924     props.setHeaderColumnWidths(columnWidths);
 925 }
 926
 927 void DolphinView::slotItemHovered(int index)
 928 {
 929     const KFileItem item = m_model->fileItem(index);
 930
 931     if (GeneralSettings::showToolTips() && !m_dragging) {
 932         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 933         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 934         itemRect.moveTo(pos);
 935
 936         m_toolTipManager->showToolTip(item, itemRect);
 937     }
 938
 939     emit requestItemInfo(item);
 940 }
 941
 942 void DolphinView::slotItemUnhovered(int index)
 943 {
 944     Q_UNUSED(index);
 945     hideToolTip();
 946     emit requestItemInfo(KFileItem());
 947 }
 948
 949 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 950 {
 951     KUrl destUrl;
 952     KFileItem destItem = m_model->fileItem(index);
 953     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
 954         // Use the URL of the view as drop target if the item is no directory
 955         // or desktop-file
 956         destItem = m_model->rootItem();
 957         destUrl = url();
 958     } else {
 959         // The item represents a directory or desktop-file
 960         destUrl = destItem.url();
 961     }
 962
 963     QDropEvent dropEvent(event->pos().toPoint(),
 964                          event->possibleActions(),
 965                          event->mimeData(),
 966                          event->buttons(),
 967                          event->modifiers());
 968
 969     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
 970     if (!error.isEmpty()) {
 971         emit errorMessage(error);
 972     }
 973
 974     if (destUrl == url()) {
 975         // Mark the dropped urls as selected.
 976         markPastedUrlsAsSelected(event->mimeData());
 977     }
 978 }
 979
 980 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 981 {
 982     if (previous != 0) {
 983         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
 984         m_versionControlObserver->setModel(0);
 985     }
 986
 987     if (current) {
 988         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 989         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
 990
 991         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 992         m_versionControlObserver->setModel(fileItemModel);
 993     }
 994 }
 995
 996 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
 997 {
 998     hideToolTip();
 999
1000     if (itemIndex < 0) {
1001         // Trigger the history navigation only when clicking on the viewport:
1002         // Above an item the XButtons provide a simple way to select items in
1003         // the singleClick mode.
1004         if (buttons & Qt::XButton1) {
1005             emit goBackRequested();
1006         } else if (buttons & Qt::XButton2) {
1007             emit goForwardRequested();
1008         }
1009     }
1010 }
1011
1012 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1013 {
1014     const int currentCount = current.count();
1015     const int previousCount = previous.count();
1016     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1017                                        (currentCount >  0 && previousCount == 0);
1018
1019     // If nothing has been selected before and something got selected (or if something
1020     // was selected before and now nothing is selected) the selectionChangedSignal must
1021     // be emitted asynchronously as fast as possible to update the edit-actions.
1022     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1023     m_selectionChangedTimer->start();
1024 }
1025
1026 void DolphinView::emitSelectionChangedSignal()
1027 {
1028     m_selectionChangedTimer->stop();
1029     emit selectionChanged(selectedItems());
1030 }
1031
1032 void DolphinView::updateSortRole(const QByteArray& role)
1033 {
1034     ViewProperties props(url());
1035     props.setSortRole(role);
1036
1037     KItemModelBase* model = m_container->controller()->model();
1038     model->setSortRole(role);
1039
1040     emit sortRoleChanged(role);
1041 }
1042
1043 void DolphinView::updateSortOrder(Qt::SortOrder order)
1044 {
1045     ViewProperties props(url());
1046     props.setSortOrder(order);
1047
1048     m_model->setSortOrder(order);
1049
1050     emit sortOrderChanged(order);
1051 }
1052
1053 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1054 {
1055     ViewProperties props(url());
1056     props.setSortFoldersFirst(foldersFirst);
1057
1058     m_model->setSortDirectoriesFirst(foldersFirst);
1059
1060     emit sortFoldersFirstChanged(foldersFirst);
1061 }
1062
1063 QPair<bool, QString> DolphinView::pasteInfo() const
1064 {
1065     return KonqOperations::pasteInfo(url());
1066 }
1067
1068 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1069 {
1070     m_tabsForFiles = tabsForFiles;
1071 }
1072
1073 bool DolphinView::isTabsForFilesEnabled() const
1074 {
1075     return m_tabsForFiles;
1076 }
1077
1078 bool DolphinView::itemsExpandable() const
1079 {
1080     return m_mode == DetailsView;
1081 }
1082
1083 void DolphinView::restoreState(QDataStream& stream)
1084 {
1085     // Restore the current item that had the keyboard focus
1086     stream >> m_currentItemUrl;
1087
1088     // Restore the view position
1089     stream >> m_restoredContentsPosition;
1090
1091     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1092     QSet<KUrl> urls;
1093     stream >> urls;
1094     m_model->restoreExpandedDirectories(urls);
1095 }
1096
1097 void DolphinView::saveState(QDataStream& stream)
1098 {
1099     // Save the current item that has the keyboard focus
1100     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1101     if (currentIndex != -1) {
1102         KFileItem item = m_model->fileItem(currentIndex);
1103         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1104         KUrl currentItemUrl = item.url();
1105         stream << currentItemUrl;
1106     } else {
1107         stream << KUrl();
1108     }
1109
1110     // Save view position
1111     const qreal x = m_container->horizontalScrollBar()->value();
1112     const qreal y = m_container->verticalScrollBar()->value();
1113     stream << QPoint(x, y);
1114
1115     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1116     stream << m_model->expandedDirectories();
1117 }
1118
1119 KFileItem DolphinView::rootItem() const
1120 {
1121     return m_model->rootItem();
1122 }
1123
1124 void DolphinView::observeCreatedItem(const KUrl& url)
1125 {
1126     m_createdItemUrl = url;
1127     connect(m_model, SIGNAL(directoryLoadingCompleted()),
1128             this, SLOT(selectAndScrollToCreatedItem()));
1129 }
1130
1131 void DolphinView::selectAndScrollToCreatedItem()
1132 {
1133     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1134     const int index = m_model->index(m_createdItemUrl);
1135     if (index != -1) {
1136         selectionManager->setCurrentItem(index);
1137         selectionManager->clearSelection();
1138         selectionManager->setSelected(index);
1139         m_view->scrollToItem(index);
1140     }
1141
1142     disconnect(m_model, SIGNAL(directoryLoadingCompleted()),
1143                this, SLOT(selectAndScrollToCreatedItem()));
1144     m_createdItemUrl = KUrl();
1145 }
1146
1147 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1148 {
1149     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1150         emit redirection(oldUrl, newUrl);
1151         m_url = newUrl; // #186947
1152     }
1153 }
1154
1155 void DolphinView::updateViewState()
1156 {
1157     if (m_currentItemUrl != KUrl()) {
1158         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1159         const int currentIndex = m_model->index(m_currentItemUrl);
1160         if (currentIndex != -1) {
1161             selectionManager->setCurrentItem(currentIndex);
1162         } else {
1163             selectionManager->setCurrentItem(0);
1164         }
1165         m_currentItemUrl = KUrl();
1166     }
1167
1168     if (!m_restoredContentsPosition.isNull()) {
1169         const int x = m_restoredContentsPosition.x();
1170         const int y = m_restoredContentsPosition.y();
1171         m_restoredContentsPosition = QPoint();
1172
1173         m_container->horizontalScrollBar()->setValue(x);
1174         m_container->verticalScrollBar()->setValue(y);
1175     }
1176
1177     if (!m_selectedUrls.isEmpty()) {
1178         clearSelection();
1179
1180         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1181         QSet<int> selectedItems = selectionManager->selectedItems();
1182
1183         foreach (const KUrl& url, m_selectedUrls) {
1184             const int index = m_model->index(url);
1185             if (index >= 0) {
1186                 selectedItems.insert(index);
1187             }
1188         }
1189
1190         selectionManager->setSelectedItems(selectedItems);
1191         m_selectedUrls.clear();
1192     }
1193 }
1194
1195 void DolphinView::hideToolTip()
1196 {
1197     if (GeneralSettings::showToolTips()) {
1198         m_toolTipManager->hideToolTip();
1199     }
1200 }
1201
1202 void DolphinView::calculateItemCount(int& fileCount,
1203                                      int& folderCount,
1204                                      KIO::filesize_t& totalFileSize) const
1205 {
1206     const int itemCount = m_model->count();
1207     for (int i = 0; i < itemCount; ++i) {
1208         const KFileItem item = m_model->fileItem(i);
1209         if (item.isDir()) {
1210             ++folderCount;
1211         } else {
1212             ++fileCount;
1213             totalFileSize += item.size();
1214         }
1215     }
1216 }
1217
1218 void DolphinView::showHoverInformation(const KFileItem& item)
1219 {
1220     emit requestItemInfo(item);
1221 }
1222
1223 void DolphinView::clearHoverInformation()
1224 {
1225     emit requestItemInfo(KFileItem());
1226 }
1227
1228 void DolphinView::slotDeleteFileFinished(KJob* job)
1229 {
1230     if (job->error() == 0) {
1231         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1232     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1233         emit errorMessage(job->errorString());
1234     }
1235 }
1236
1237 void DolphinView::slotDirectoryLoadingStarted()
1238 {
1239     // Disable the writestate temporary until it can be determined in a fast way
1240     // in DolphinView::slotLoadingCompleted()
1241     if (m_isFolderWritable) {
1242         m_isFolderWritable = false;
1243         emit writeStateChanged(m_isFolderWritable);
1244     }
1245
1246     emit directoryLoadingStarted();
1247 }
1248
1249 void DolphinView::slotDirectoryLoadingCompleted()
1250 {
1251     // Update the view-state. This has to be done asynchronously
1252     // because the view might not be in its final state yet.
1253     QTimer::singleShot(0, this, SLOT(updateViewState()));
1254
1255     emit directoryLoadingCompleted();
1256
1257     updateWritableState();
1258 }
1259
1260 void DolphinView::slotItemsChanged()
1261 {
1262     m_assureVisibleCurrentIndex = false;
1263 }
1264
1265 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1266 {
1267     Q_UNUSED(previous);
1268     Q_ASSERT(m_model->sortOrder() == current);
1269
1270     ViewProperties props(url());
1271     props.setSortOrder(current);
1272
1273     emit sortOrderChanged(current);
1274 }
1275
1276 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1277 {
1278     Q_UNUSED(previous);
1279     Q_ASSERT(m_model->sortRole() == current);
1280
1281     ViewProperties props(url());
1282     props.setSortRole(current);
1283
1284     emit sortRoleChanged(current);
1285 }
1286
1287 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1288                                                   const QList<QByteArray>& previous)
1289 {
1290     Q_UNUSED(previous);
1291     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1292
1293     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1294
1295     m_visibleRoles = current;
1296
1297     ViewProperties props(url());
1298     props.setVisibleRoles(m_visibleRoles);
1299
1300     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1301 }
1302
1303 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1304 {
1305     if (role == "text") {
1306         const KFileItem item = m_model->fileItem(index);
1307         const QString newName = value.toString();
1308         if (!newName.isEmpty() && newName != item.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1309             KonqOperations::rename(this, item.url(), newName);
1310         }
1311     }
1312 }
1313
1314 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1315 {
1316     if (!url.isValid()) {
1317         const QString location(url.pathOrUrl());
1318         if (location.isEmpty()) {
1319             emit errorMessage(i18nc("@info:status", "The location is empty."));
1320         } else {
1321             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1322         }
1323         return;
1324     }
1325
1326     if (reload) {
1327         m_model->refreshDirectory(url);
1328     } else {
1329         m_model->loadDirectory(url);
1330     }
1331 }
1332
1333 void DolphinView::applyViewProperties()
1334 {
1335     m_view->beginTransaction();
1336
1337     const ViewProperties props(url());
1338
1339     const Mode mode = props.viewMode();
1340     if (m_mode != mode) {
1341         const Mode previousMode = m_mode;
1342         m_mode = mode;
1343
1344         // Changing the mode might result in changing
1345         // the zoom level. Remember the old zoom level so
1346         // that zoomLevelChanged() can get emitted.
1347         const int oldZoomLevel = m_view->zoomLevel();
1348         applyModeToView();
1349
1350         emit modeChanged(m_mode, previousMode);
1351
1352         if (m_view->zoomLevel() != oldZoomLevel) {
1353             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1354         }
1355     }
1356
1357     const bool hiddenFilesShown = props.hiddenFilesShown();
1358     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1359         m_model->setShowHiddenFiles(hiddenFilesShown);
1360         emit hiddenFilesShownChanged(hiddenFilesShown);
1361     }
1362
1363     const bool groupedSorting = props.groupedSorting();
1364     if (groupedSorting != m_model->groupedSorting()) {
1365         m_model->setGroupedSorting(groupedSorting);
1366         emit groupedSortingChanged(groupedSorting);
1367     }
1368
1369     const QByteArray sortRole = props.sortRole();
1370     if (sortRole != m_model->sortRole()) {
1371         m_model->setSortRole(sortRole);
1372         emit sortRoleChanged(sortRole);
1373     }
1374
1375     const Qt::SortOrder sortOrder = props.sortOrder();
1376     if (sortOrder != m_model->sortOrder()) {
1377         m_model->setSortOrder(sortOrder);
1378         emit sortOrderChanged(sortOrder);
1379     }
1380
1381     const bool sortFoldersFirst = props.sortFoldersFirst();
1382     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1383         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1384         emit sortFoldersFirstChanged(sortFoldersFirst);
1385     }
1386
1387     const QList<QByteArray> visibleRoles = props.visibleRoles();
1388     if (visibleRoles != m_visibleRoles) {
1389         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1390         m_visibleRoles = visibleRoles;
1391         m_view->setVisibleRoles(visibleRoles);
1392         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1393     }
1394
1395     const bool previewsShown = props.previewsShown();
1396     if (previewsShown != m_view->previewsShown()) {
1397         const int oldZoomLevel = zoomLevel();
1398
1399         m_view->setPreviewsShown(previewsShown);
1400         emit previewsShownChanged(previewsShown);
1401
1402         // Changing the preview-state might result in a changed zoom-level
1403         if (oldZoomLevel != zoomLevel()) {
1404             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1405         }
1406     }
1407
1408     KItemListView* itemListView = m_container->controller()->view();
1409     if (itemListView->isHeaderVisible()) {
1410         KItemListHeader* header = itemListView->header();
1411         const QList<int> headerColumnWidths = props.headerColumnWidths();
1412         const int rolesCount = m_visibleRoles.count();
1413         if (headerColumnWidths.count() == rolesCount) {
1414             header->setAutomaticColumnResizing(false);
1415
1416             QHash<QByteArray, qreal> columnWidths;
1417             for (int i = 0; i < rolesCount; ++i) {
1418                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1419             }
1420             header->setColumnWidths(columnWidths);
1421         } else {
1422             header->setAutomaticColumnResizing(true);
1423         }
1424     }
1425
1426     m_view->endTransaction();
1427 }
1428
1429 void DolphinView::applyModeToView()
1430 {
1431     switch (m_mode) {
1432     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1433     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1434     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1435     default: Q_ASSERT(false); break;
1436     }
1437 }
1438
1439 void DolphinView::pasteToUrl(const KUrl& url)
1440 {
1441     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1442     KonqOperations::doPaste(this, url);
1443 }
1444
1445 KUrl::List DolphinView::simplifiedSelectedUrls() const
1446 {
1447     KUrl::List urls;
1448
1449     const KFileItemList items = selectedItems();
1450     foreach (const KFileItem &item, items) {
1451         urls.append(item.url());
1452     }
1453
1454     if (itemsExpandable()) {
1455         // TODO: Check if we still need KDirModel for this in KDE 5.0
1456         urls = KDirModel::simplifiedUrlList(urls);
1457     }
1458
1459     return urls;
1460 }
1461
1462 QMimeData* DolphinView::selectionMimeData() const
1463 {
1464     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1465     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1466
1467     return m_model->createMimeData(selectedIndexes);
1468 }
1469
1470 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1471 {
1472     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1473     KUrl::List destUrls;
1474     foreach (const KUrl& source, sourceUrls) {
1475         KUrl destination(url().url() + "/" + source.fileName());
1476         destUrls << destination;
1477     }
1478     markUrlsAsSelected(destUrls);
1479 }
1480
1481 void DolphinView::updateWritableState()
1482 {
1483     const bool wasFolderWritable = m_isFolderWritable;
1484     m_isFolderWritable = true;
1485
1486     const KFileItem item = m_model->rootItem();
1487     if (!item.isNull()) {
1488         KFileItemListProperties capabilities(KFileItemList() << item);
1489         m_isFolderWritable = capabilities.supportsWriting();
1490     }
1491     if (m_isFolderWritable != wasFolderWritable) {
1492         emit writeStateChanged(m_isFolderWritable);
1493     }
1494 }
1495
1496 #include "dolphinview.moc"