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/kitemlistheader.h>
  46 #include <kitemviews/kitemlistselectionmanager.h>
  47 #include <kitemviews/kitemlistview.h>
  48 #include <kitemviews/kitemlistcontroller.h>
  49 #include <KIO/DeleteJob>
  50 #include <KIO/NetAccess>
  51 #include <KIO/PreviewJob>
  52 #include <KJob>
  53 #include <KMenu>
  54 #include <KMessageBox>
  55 #include <konq_fileitemcapabilities.h>
  56 #include <konq_operations.h>
  57 #include <konqmimedata.h>
  58 #include <KToggleAction>
  59 #include <KUrl>
  60
  61 #include "dolphinnewfilemenuobserver.h"
  62 #include "dolphin_detailsmodesettings.h"
  63 #include "dolphin_generalsettings.h"
  64 #include "dolphinitemlistcontainer.h"
  65 #include "draganddrophelper.h"
  66 #include "renamedialog.h"
  67 #include "versioncontrol/versioncontrolobserver.h"
  68 #include "viewmodecontroller.h"
  69 #include "viewproperties.h"
  70 #include "views/tooltips/tooltipmanager.h"
  71 #include "zoomlevelinfo.h"
  72
  73 #ifdef HAVE_NEPOMUK
  74     #include <Nepomuk/ResourceManager>
  75 #endif
  76
  77 namespace {
  78     const int MaxModeEnum = DolphinView::CompactView;
  79 };
  80
  81 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
  82     QWidget(parent),
  83     m_active(true),
  84     m_tabsForFiles(false),
  85     m_assureVisibleCurrentIndex(false),
  86     m_isFolderWritable(true),
  87     m_dragging(false),
  88     m_url(url),
  89     m_mode(DolphinView::IconsView),
  90     m_visibleRoles(),
  91     m_topLayout(0),
  92     m_container(0),
  93     m_toolTipManager(0),
  94     m_selectionChangedTimer(0),
  95     m_currentItemUrl(),
  96     m_restoredContentsPosition(),
  97     m_createdItemUrl(),
  98     m_selectedUrls(),
  99     m_versionControlObserver(0)
 100 {
 101     m_topLayout = new QVBoxLayout(this);
 102     m_topLayout->setSpacing(0);
 103     m_topLayout->setMargin(0);
 104
 105     // When a new item has been created by the "Create New..." menu, the item should
 106     // get selected and it must be assured that the item will get visible. As the
 107     // creation is done asynchronously, several signals must be checked:
 108     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 109             this, SLOT(observeCreatedItem(KUrl)));
 110
 111     m_selectionChangedTimer = new QTimer(this);
 112     m_selectionChangedTimer->setSingleShot(true);
 113     m_selectionChangedTimer->setInterval(300);
 114     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 115             this, SLOT(emitSelectionChangedSignal()));
 116
 117     m_container = new DolphinItemListContainer(this);
 118     m_container->setVisibleRoles(QList<QByteArray>() << "name");
 119     m_container->installEventFilter(this);
 120     setFocusProxy(m_container);
 121     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 122     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 123
 124     KItemListController* controller = m_container->controller();
 125     controller->setSelectionBehavior(KItemListController::MultiSelection);
 126     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 127     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 128     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 129     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 130     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 131     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 132     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 133     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 134     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 135     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 136     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 137
 138     KFileItemModel* model = fileItemModel();
 139     connect(model, SIGNAL(dirLoadingStarted()),            this, SLOT(slotDirLoadingStarted()));
 140     connect(model, SIGNAL(dirLoadingCompleted()),          this, SLOT(slotDirLoadingCompleted()));
 141     connect(model, SIGNAL(dirLoadingProgress(int)),        this, SIGNAL(dirLoadingProgress(int)));
 142     connect(model, SIGNAL(dirSortingProgress(int)),        this, SIGNAL(dirSortingProgress(int)));
 143     connect(model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 144             this, SLOT(slotItemsChanged()));
 145     connect(model, SIGNAL(itemsRemoved(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 146     connect(model, SIGNAL(itemsInserted(KItemRangeList)),  this, SIGNAL(itemCountChanged()));
 147     connect(model, SIGNAL(infoMessage(QString)),           this, SIGNAL(infoMessage(QString)));
 148     connect(model, SIGNAL(errorMessage(QString)),          this, SIGNAL(errorMessage(QString)));
 149     connect(model, SIGNAL(redirection(KUrl,KUrl)),         this, SLOT(slotRedirection(KUrl,KUrl)));
 150
 151     KItemListView* view = controller->view();
 152     view->installEventFilter(this);
 153     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 154             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 155     connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 156             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 157     connect(view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 158             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 159     connect(view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 160             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 161
 162     KItemListSelectionManager* selectionManager = controller->selectionManager();
 163     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 164             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 165
 166     m_toolTipManager = new ToolTipManager(this);
 167
 168     m_versionControlObserver = new VersionControlObserver(this);
 169     m_versionControlObserver->setModel(model);
 170     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 171     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 172     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 173
 174     applyViewProperties();
 175     m_topLayout->addWidget(m_container);
 176
 177     loadDirectory(url);
 178 }
 179
 180 DolphinView::~DolphinView()
 181 {
 182 }
 183
 184 KUrl DolphinView::url() const
 185 {
 186     return m_url;
 187 }
 188
 189 void DolphinView::setActive(bool active)
 190 {
 191     if (active == m_active) {
 192         return;
 193     }
 194
 195     m_active = active;
 196
 197     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 198     if (!active) {
 199         color.setAlpha(150);
 200     }
 201
 202     QWidget* viewport = m_container->viewport();
 203     if (viewport) {
 204         QPalette palette;
 205         palette.setColor(viewport->backgroundRole(), color);
 206         viewport->setPalette(palette);
 207     }
 208
 209     update();
 210
 211     if (active) {
 212         m_container->setFocus();
 213         emit activated();
 214         emit writeStateChanged(m_isFolderWritable);
 215     }
 216 }
 217
 218 bool DolphinView::isActive() const
 219 {
 220     return m_active;
 221 }
 222
 223 void DolphinView::setMode(Mode mode)
 224 {
 225     if (mode != m_mode) {
 226         ViewProperties props(url());
 227         props.setViewMode(mode);
 228         props.save();
 229
 230         applyViewProperties();
 231     }
 232 }
 233
 234 DolphinView::Mode DolphinView::mode() const
 235 {
 236     return m_mode;
 237 }
 238
 239 void DolphinView::setPreviewsShown(bool show)
 240 {
 241     if (previewsShown() == show) {
 242         return;
 243     }
 244
 245     ViewProperties props(url());
 246     props.setPreviewsShown(show);
 247
 248     m_container->setPreviewsShown(show);
 249     emit previewsShownChanged(show);
 250 }
 251
 252 bool DolphinView::previewsShown() const
 253 {
 254     return m_container->previewsShown();
 255 }
 256
 257 void DolphinView::setHiddenFilesShown(bool show)
 258 {
 259     KFileItemModel* model = fileItemModel();
 260     if (model->showHiddenFiles() == show) {
 261         return;
 262     }
 263
 264     const KFileItemList itemList = selectedItems();
 265     m_selectedUrls.clear();
 266     m_selectedUrls = itemList.urlList();
 267
 268     ViewProperties props(url());
 269     props.setHiddenFilesShown(show);
 270
 271     model->setShowHiddenFiles(show);
 272     emit hiddenFilesShownChanged(show);
 273 }
 274
 275 bool DolphinView::hiddenFilesShown() const
 276 {
 277     return fileItemModel()->showHiddenFiles();
 278 }
 279
 280 void DolphinView::setGroupedSorting(bool grouped)
 281 {
 282     if (grouped == groupedSorting()) {
 283         return;
 284     }
 285
 286     ViewProperties props(url());
 287     props.setGroupedSorting(grouped);
 288     props.save();
 289
 290     m_container->controller()->model()->setGroupedSorting(grouped);
 291
 292     emit groupedSortingChanged(grouped);
 293 }
 294
 295 bool DolphinView::groupedSorting() const
 296 {
 297     return fileItemModel()->groupedSorting();
 298 }
 299
 300 KFileItemList DolphinView::items() const
 301 {
 302     KFileItemList list;
 303     const KFileItemModel* model = fileItemModel();
 304     const int itemCount = model->count();
 305     list.reserve(itemCount);
 306
 307     for (int i = 0; i < itemCount; ++i) {
 308         list.append(model->fileItem(i));
 309     }
 310
 311     return list;
 312 }
 313
 314 int DolphinView::itemsCount() const
 315 {
 316     return fileItemModel()->count();
 317 }
 318
 319 KFileItemList DolphinView::selectedItems() const
 320 {
 321     const KFileItemModel* model = fileItemModel();
 322     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 323     const QSet<int> selectedIndexes = selectionManager->selectedItems();
 324
 325     KFileItemList selectedItems;
 326     QSetIterator<int> it(selectedIndexes);
 327     while (it.hasNext()) {
 328         const int index = it.next();
 329         selectedItems.append(model->fileItem(index));
 330     }
 331     return selectedItems;
 332 }
 333
 334 int DolphinView::selectedItemsCount() const
 335 {
 336     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 337     return selectionManager->selectedItems().count();
 338 }
 339
 340 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 341 {
 342     m_selectedUrls = urls;
 343 }
 344
 345 void DolphinView::markUrlAsCurrent(const KUrl& url)
 346 {
 347     m_currentItemUrl = url;
 348 }
 349
 350 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 351 {
 352     const KItemListSelectionManager::SelectionMode mode = enabled
 353                                                         ? KItemListSelectionManager::Select
 354                                                         : KItemListSelectionManager::Deselect;
 355     const KFileItemModel* model = fileItemModel();
 356     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 357
 358     for (int index = 0; index < model->count(); index++) {
 359         const KFileItem item = model->fileItem(index);
 360         if (pattern.exactMatch(item.text())) {
 361             // An alternative approach would be to store the matching items in a QSet<int> and
 362             // select them in one go after the loop, but we'd need a new function
 363             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 364             // for that.
 365             selectionManager->setSelected(index, 1, mode);
 366         }
 367     }
 368 }
 369
 370 void DolphinView::setZoomLevel(int level)
 371 {
 372     const int oldZoomLevel = zoomLevel();
 373     m_container->setZoomLevel(level);
 374     if (zoomLevel() != oldZoomLevel) {
 375         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 376     }
 377 }
 378
 379 int DolphinView::zoomLevel() const
 380 {
 381     return m_container->zoomLevel();
 382 }
 383
 384 void DolphinView::setSortRole(const QByteArray& role)
 385 {
 386     if (role != sortRole()) {
 387         updateSortRole(role);
 388     }
 389 }
 390
 391 QByteArray DolphinView::sortRole() const
 392 {
 393     const KItemModelBase* model = m_container->controller()->model();
 394     return model->sortRole();
 395 }
 396
 397 void DolphinView::setSortOrder(Qt::SortOrder order)
 398 {
 399     if (sortOrder() != order) {
 400         updateSortOrder(order);
 401     }
 402 }
 403
 404 Qt::SortOrder DolphinView::sortOrder() const
 405 {
 406     KItemModelBase* model = fileItemModel();
 407     return model->sortOrder();
 408 }
 409
 410 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 411 {
 412     if (sortFoldersFirst() != foldersFirst) {
 413         updateSortFoldersFirst(foldersFirst);
 414     }
 415 }
 416
 417 bool DolphinView::sortFoldersFirst() const
 418 {
 419     KFileItemModel* model = fileItemModel();
 420     return model->sortFoldersFirst();
 421 }
 422
 423 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 424 {
 425     const QList<QByteArray> previousRoles = roles;
 426
 427     ViewProperties props(url());
 428     props.setVisibleRoles(roles);
 429
 430     m_visibleRoles = roles;
 431     m_container->setVisibleRoles(roles);
 432
 433     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 434 }
 435
 436 QList<QByteArray> DolphinView::visibleRoles() const
 437 {
 438     return m_visibleRoles;
 439 }
 440
 441 void DolphinView::reload()
 442 {
 443     QByteArray viewState;
 444     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 445     saveState(saveStream);
 446
 447     const KFileItemList itemList = selectedItems();
 448     m_selectedUrls.clear();
 449     m_selectedUrls = itemList.urlList();
 450
 451     setUrl(url());
 452     loadDirectory(url(), true);
 453
 454     QDataStream restoreStream(viewState);
 455     restoreState(restoreStream);
 456 }
 457
 458 void DolphinView::stopLoading()
 459 {
 460     fileItemModel()->cancelDirLoading();
 461 }
 462
 463 void DolphinView::readSettings()
 464 {
 465     const int oldZoomLevel = m_container->zoomLevel();
 466
 467     GeneralSettings::self()->readConfig();
 468     m_container->readSettings();
 469     applyViewProperties();
 470
 471     const int newZoomLevel = m_container->zoomLevel();
 472     if (newZoomLevel != oldZoomLevel) {
 473         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 474     }
 475 }
 476
 477 void DolphinView::writeSettings()
 478 {
 479     GeneralSettings::self()->writeConfig();
 480     m_container->writeSettings();
 481 }
 482
 483 void DolphinView::setNameFilter(const QString& nameFilter)
 484 {
 485     fileItemModel()->setNameFilter(nameFilter);
 486 }
 487
 488 QString DolphinView::nameFilter() const
 489 {
 490     return fileItemModel()->nameFilter();
 491 }
 492
 493 void DolphinView::calculateItemCount(int& fileCount,
 494                                      int& folderCount,
 495                                      KIO::filesize_t& totalFileSize) const
 496 {
 497     const KFileItemModel* model = fileItemModel();
 498     const int itemCount = model->count();
 499     for (int i = 0; i < itemCount; ++i) {
 500         const KFileItem item = model->fileItem(i);
 501         if (item.isDir()) {
 502             ++folderCount;
 503         } else {
 504             ++fileCount;
 505             totalFileSize += item.size();
 506         }
 507     }
 508 }
 509
 510 QString DolphinView::statusBarText() const
 511 {
 512     QString summary;
 513     QString foldersText;
 514     QString filesText;
 515
 516     int folderCount = 0;
 517     int fileCount = 0;
 518     KIO::filesize_t totalFileSize = 0;
 519
 520     if (hasSelection()) {
 521         // Give a summary of the status of the selected files
 522         const KFileItemList list = selectedItems();
 523         foreach (const KFileItem& item, list) {
 524             if (item.isDir()) {
 525                 ++folderCount;
 526             } else {
 527                 ++fileCount;
 528                 totalFileSize += item.size();
 529             }
 530         }
 531
 532         if (folderCount + fileCount == 1) {
 533             // If only one item is selected, show the filename
 534             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 535         } else {
 536             // At least 2 items are selected
 537             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 538             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 539         }
 540     } else {
 541         calculateItemCount(fileCount, folderCount, totalFileSize);
 542         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 543         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 544     }
 545
 546     if (fileCount > 0 && folderCount > 0) {
 547         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 548                         foldersText, filesText,
 549                         KGlobal::locale()->formatByteSize(totalFileSize));
 550     } else if (fileCount > 0) {
 551         summary = i18nc("@info:status files (size)", "%1 (%2)",
 552                         filesText,
 553                         KGlobal::locale()->formatByteSize(totalFileSize));
 554     } else if (folderCount > 0) {
 555         summary = foldersText;
 556     }
 557
 558     return summary;
 559 }
 560
 561 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 562 {
 563     QList<QAction*> actions;
 564
 565     if (items.isEmpty()) {
 566         const KFileItem item = fileItemModel()->rootItem();
 567         actions = m_versionControlObserver->actions(KFileItemList() << item);
 568     } else {
 569         actions = m_versionControlObserver->actions(items);
 570     }
 571
 572     return actions;
 573 }
 574
 575 void DolphinView::setUrl(const KUrl& url)
 576 {
 577     if (url == m_url) {
 578         return;
 579     }
 580
 581     emit urlAboutToBeChanged(url);
 582     m_url = url;
 583
 584     hideToolTip();
 585
 586     // It is important to clear the items from the model before
 587     // applying the view properties, otherwise expensive operations
 588     // might be done on the existing items although they get cleared
 589     // anyhow afterwards by loadDirectory().
 590     fileItemModel()->clear();
 591     applyViewProperties();
 592     loadDirectory(url);
 593
 594     emit urlChanged(url);
 595 }
 596
 597 void DolphinView::selectAll()
 598 {
 599     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 600     selectionManager->setSelected(0, fileItemModel()->count());
 601 }
 602
 603 void DolphinView::invertSelection()
 604 {
 605     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 606     selectionManager->setSelected(0, fileItemModel()->count(), KItemListSelectionManager::Toggle);
 607 }
 608
 609 void DolphinView::clearSelection()
 610 {
 611     m_container->controller()->selectionManager()->clearSelection();
 612 }
 613
 614 void DolphinView::renameSelectedItems()
 615 {
 616     KFileItemList items = selectedItems();
 617     const int itemCount = items.count();
 618     if (itemCount < 1) {
 619         return;
 620     }
 621
 622     // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
 623     // renaming yet.
 624     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
 625         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
 626         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
 627         m_viewAccessor.itemView()->edit(proxyIndex);
 628     } else {*/
 629         RenameDialog* dialog = new RenameDialog(this, items);
 630         dialog->setAttribute(Qt::WA_DeleteOnClose);
 631         dialog->show();
 632         dialog->raise();
 633         dialog->activateWindow();
 634     //}
 635
 636     // Assure that the current index remains visible when KFileItemModel
 637     // will notify the view about changed items (which might result in
 638     // a changed sorting).
 639     m_assureVisibleCurrentIndex = true;
 640 }
 641
 642 void DolphinView::trashSelectedItems()
 643 {
 644     const KUrl::List list = simplifiedSelectedUrls();
 645     KonqOperations::del(this, KonqOperations::TRASH, list);
 646 }
 647
 648 void DolphinView::deleteSelectedItems()
 649 {
 650     const KUrl::List list = simplifiedSelectedUrls();
 651     const bool del = KonqOperations::askDeleteConfirmation(list,
 652                      KonqOperations::DEL,
 653                      KonqOperations::DEFAULT_CONFIRMATION,
 654                      this);
 655
 656     if (del) {
 657         KIO::Job* job = KIO::del(list);
 658         connect(job, SIGNAL(result(KJob*)),
 659                 this, SLOT(slotDeleteFileFinished(KJob*)));
 660     }
 661 }
 662
 663 void DolphinView::cutSelectedItems()
 664 {
 665     QMimeData* mimeData = selectionMimeData();
 666     KonqMimeData::addIsCutSelection(mimeData, true);
 667     QApplication::clipboard()->setMimeData(mimeData);
 668 }
 669
 670 void DolphinView::copySelectedItems()
 671 {
 672     QMimeData* mimeData = selectionMimeData();
 673     QApplication::clipboard()->setMimeData(mimeData);
 674 }
 675
 676 void DolphinView::paste()
 677 {
 678     pasteToUrl(url());
 679 }
 680
 681 void DolphinView::pasteIntoFolder()
 682 {
 683     const KFileItemList items = selectedItems();
 684     if ((items.count() == 1) && items.first().isDir()) {
 685         pasteToUrl(items.first().url());
 686     }
 687 }
 688
 689 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 690 {
 691     switch (event->type()) {
 692     case QEvent::FocusIn:
 693         if (watched == m_container) {
 694             setActive(true);
 695         }
 696         break;
 697
 698     case QEvent::GraphicsSceneDragEnter:
 699         if (watched == m_container->controller()->view()) {
 700             m_dragging = true;
 701         }
 702         break;
 703
 704     case QEvent::GraphicsSceneDragLeave:
 705         if (watched == m_container->controller()->view()) {
 706             m_dragging = false;
 707         }
 708         break;
 709
 710     case QEvent::GraphicsSceneDrop:
 711         if (watched == m_container->controller()->view()) {
 712             m_dragging = false;
 713         }
 714     default:
 715         break;
 716     }
 717
 718     return QWidget::eventFilter(watched, event);
 719 }
 720
 721 void DolphinView::wheelEvent(QWheelEvent* event)
 722 {
 723     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 724         const int numDegrees = event->delta() / 8;
 725         const int numSteps = numDegrees / 15;
 726
 727         setZoomLevel(zoomLevel() + numSteps);
 728         event->accept();
 729     } else {
 730         event->ignore();
 731     }
 732 }
 733
 734 void DolphinView::hideEvent(QHideEvent* event)
 735 {
 736     hideToolTip();
 737     QWidget::hideEvent(event);
 738 }
 739
 740 void DolphinView::activate()
 741 {
 742     setActive(true);
 743 }
 744
 745 void DolphinView::slotItemActivated(int index)
 746 {
 747     const KFileItem item = fileItemModel()->fileItem(index);
 748     if (!item.isNull()) {
 749         emit itemActivated(item);
 750     }
 751 }
 752
 753 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 754 {
 755     Q_ASSERT(indexes.count() >= 2);
 756
 757     KFileItemList items;
 758
 759     KFileItemModel* model = fileItemModel();
 760     QSetIterator<int> it(indexes);
 761     while (it.hasNext()) {
 762         const int index = it.next();
 763         items.append(model->fileItem(index));
 764     }
 765
 766     foreach (const KFileItem& item, items) {
 767         if (item.isDir()) {
 768             emit tabRequested(item.url());
 769         } else {
 770             emit itemActivated(item);
 771         }
 772     }
 773 }
 774
 775 void DolphinView::slotItemMiddleClicked(int index)
 776 {
 777     const KFileItem item = fileItemModel()->fileItem(index);
 778     if (item.isDir() || isTabsForFilesEnabled()) {
 779         emit tabRequested(item.url());
 780     }
 781 }
 782
 783 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 784 {
 785     const KFileItem item = fileItemModel()->fileItem(index);
 786     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 787 }
 788
 789 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 790 {
 791     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 792 }
 793
 794 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 795 {
 796     ViewProperties props(url());
 797
 798     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 799
 800     KItemListView* view = m_container->controller()->view();
 801     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 802
 803     bool nepomukRunning = false;
 804     bool indexingEnabled = false;
 805 #ifdef HAVE_NEPOMUK
 806     nepomukRunning = (Nepomuk::ResourceManager::instance()->init() == 0);
 807     if (nepomukRunning) {
 808         KConfig config("nepomukserverrc");
 809         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", false);
 810     }
 811 #endif
 812
 813     QString groupName;
 814     QMenu* groupMenu = 0;
 815
 816     // Add all roles to the menu that can be shown or hidden by the user
 817     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 818     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 819         if (info.role == "name") {
 820             // It should not be possible to hide the "name" role
 821             continue;
 822         }
 823
 824         const QString text = fileItemModel()->roleDescription(info.role);
 825         QAction* action = 0;
 826         if (info.group.isEmpty()) {
 827             action = menu->addAction(text);
 828         } else {
 829             if (!groupMenu || info.group != groupName) {
 830                 groupName = info.group;
 831                 groupMenu = menu->addMenu(groupName);
 832             }
 833
 834             action = groupMenu->addAction(text);
 835         }
 836
 837         action->setCheckable(true);
 838         action->setChecked(visibleRolesSet.contains(info.role));
 839         action->setData(info.role);
 840
 841         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 842                             (info.requiresNepomuk && nepomukRunning) ||
 843                             (info.requiresIndexer && indexingEnabled);
 844         action->setEnabled(enable);
 845     }
 846
 847     menu->addSeparator();
 848
 849     QActionGroup* widthsGroup = new QActionGroup(menu);
 850     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 851
 852     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 853     autoAdjustWidthsAction->setCheckable(true);
 854     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 855     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 856
 857     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 858     customWidthsAction->setCheckable(true);
 859     customWidthsAction->setChecked(!autoColumnWidths);
 860     customWidthsAction->setActionGroup(widthsGroup);
 861
 862     QAction* action = menu->exec(pos.toPoint());
 863     if (menu && action) {
 864         KItemListHeader* header = view->header();
 865
 866         if (action == autoAdjustWidthsAction) {
 867             // Clear the column-widths from the viewproperties and turn on
 868             // the automatic resizing of the columns
 869             props.setHeaderColumnWidths(QList<int>());
 870             header->setAutomaticColumnResizing(true);
 871         } else if (action == customWidthsAction) {
 872             // Apply the current column-widths as custom column-widths and turn
 873             // off the automatic resizing of the columns
 874             QList<int> columnWidths;
 875             foreach (const QByteArray& role, view->visibleRoles()) {
 876                 columnWidths.append(header->columnWidth(role));
 877             }
 878             props.setHeaderColumnWidths(columnWidths);
 879             header->setAutomaticColumnResizing(false);
 880         } else {
 881             // Show or hide the selected role
 882             const QByteArray selectedRole = action->data().toByteArray();
 883
 884             QList<QByteArray> visibleRoles = view->visibleRoles();
 885             if (action->isChecked()) {
 886                 visibleRoles.append(selectedRole);
 887             } else {
 888                 visibleRoles.removeOne(selectedRole);
 889             }
 890
 891             view->setVisibleRoles(visibleRoles);
 892             props.setVisibleRoles(visibleRoles);
 893
 894             QList<int> columnWidths;
 895             if (!header->automaticColumnResizing()) {
 896                 foreach (const QByteArray& role, view->visibleRoles()) {
 897                     columnWidths.append(header->columnWidth(role));
 898                 }
 899             }
 900             props.setHeaderColumnWidths(columnWidths);
 901         }
 902     }
 903
 904     delete menu;
 905 }
 906
 907 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 908 {
 909     Q_UNUSED(previous);
 910
 911     const QList<QByteArray> visibleRoles = m_container->visibleRoles();
 912
 913     ViewProperties props(url());
 914     QList<int> columnWidths = props.headerColumnWidths();
 915     if (columnWidths.count() != visibleRoles.count()) {
 916         columnWidths.clear();
 917         columnWidths.reserve(visibleRoles.count());
 918         const KItemListHeader* header = m_container->controller()->view()->header();
 919         foreach (const QByteArray& role, visibleRoles) {
 920             const int width = header->columnWidth(role);
 921             columnWidths.append(width);
 922         }
 923     }
 924
 925     const int roleIndex = visibleRoles.indexOf(role);
 926     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 927     columnWidths[roleIndex] = current;
 928
 929     props.setHeaderColumnWidths(columnWidths);
 930 }
 931
 932 void DolphinView::slotItemHovered(int index)
 933 {
 934     const KFileItem item = fileItemModel()->fileItem(index);
 935
 936     if (GeneralSettings::showToolTips() && !m_dragging) {
 937         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 938         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 939         itemRect.moveTo(pos);
 940
 941         m_toolTipManager->showToolTip(item, itemRect);
 942     }
 943
 944     emit requestItemInfo(item);
 945 }
 946
 947 void DolphinView::slotItemUnhovered(int index)
 948 {
 949     Q_UNUSED(index);
 950     hideToolTip();
 951     emit requestItemInfo(KFileItem());
 952 }
 953
 954 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 955 {
 956     KUrl destUrl;
 957     KFileItem destItem = fileItemModel()->fileItem(index);
 958     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
 959         // Use the URL of the view as drop target if the item is no directory
 960         // or desktop-file
 961         destItem = fileItemModel()->rootItem();
 962         destUrl = url();
 963     } else {
 964         // The item represents a directory or desktop-file
 965         destUrl = destItem.url();
 966     }
 967
 968     QDropEvent dropEvent(event->pos().toPoint(),
 969                          event->possibleActions(),
 970                          event->mimeData(),
 971                          event->buttons(),
 972                          event->modifiers());
 973
 974     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
 975     if (!error.isEmpty()) {
 976         emit errorMessage(error);
 977     }
 978
 979     if (destUrl == url()) {
 980         // Mark the dropped urls as selected.
 981         markPastedUrlsAsSelected(event->mimeData());
 982     }
 983 }
 984
 985 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 986 {
 987     if (previous != 0) {
 988         disconnect(previous, SIGNAL(dirLoadingCompleted()), this, SLOT(slotDirLoadingCompleted()));
 989     }
 990
 991     Q_ASSERT(qobject_cast<KFileItemModel*>(current));
 992     connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirLoadingCompleted()));
 993
 994     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
 995     m_versionControlObserver->setModel(fileItemModel);
 996 }
 997
 998 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
 999 {
1000     hideToolTip();
1001
1002     if (itemIndex < 0) {
1003         // Trigger the history navigation only when clicking on the viewport:
1004         // Above an item the XButtons provide a simple way to select items in
1005         // the singleClick mode.
1006         if (buttons & Qt::XButton1) {
1007             emit goBackRequested();
1008         } else if (buttons & Qt::XButton2) {
1009             emit goForwardRequested();
1010         }
1011     }
1012 }
1013
1014 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1015 {
1016     const int currentCount = current.count();
1017     const int previousCount = previous.count();
1018     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1019                                        (currentCount >  0 && previousCount == 0);
1020
1021     // If nothing has been selected before and something got selected (or if something
1022     // was selected before and now nothing is selected) the selectionChangedSignal must
1023     // be emitted asynchronously as fast as possible to update the edit-actions.
1024     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1025     m_selectionChangedTimer->start();
1026 }
1027
1028 void DolphinView::emitSelectionChangedSignal()
1029 {
1030     m_selectionChangedTimer->stop();
1031     emit selectionChanged(selectedItems());
1032 }
1033
1034 void DolphinView::updateSortRole(const QByteArray& role)
1035 {
1036     ViewProperties props(url());
1037     props.setSortRole(role);
1038
1039     KItemModelBase* model = m_container->controller()->model();
1040     model->setSortRole(role);
1041
1042     emit sortRoleChanged(role);
1043 }
1044
1045 void DolphinView::updateSortOrder(Qt::SortOrder order)
1046 {
1047     ViewProperties props(url());
1048     props.setSortOrder(order);
1049
1050     KItemModelBase* model = fileItemModel();
1051     model->setSortOrder(order);
1052
1053     emit sortOrderChanged(order);
1054 }
1055
1056 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1057 {
1058     ViewProperties props(url());
1059     props.setSortFoldersFirst(foldersFirst);
1060
1061     KFileItemModel* model = fileItemModel();
1062     model->setSortFoldersFirst(foldersFirst);
1063
1064     emit sortFoldersFirstChanged(foldersFirst);
1065 }
1066
1067 QPair<bool, QString> DolphinView::pasteInfo() const
1068 {
1069     return KonqOperations::pasteInfo(url());
1070 }
1071
1072 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1073 {
1074     m_tabsForFiles = tabsForFiles;
1075 }
1076
1077 bool DolphinView::isTabsForFilesEnabled() const
1078 {
1079     return m_tabsForFiles;
1080 }
1081
1082 bool DolphinView::itemsExpandable() const
1083 {
1084     return m_mode == DetailsView;
1085 }
1086
1087 void DolphinView::restoreState(QDataStream& stream)
1088 {
1089     // Restore the current item that had the keyboard focus
1090     stream >> m_currentItemUrl;
1091
1092     // Restore the view position
1093     stream >> m_restoredContentsPosition;
1094
1095     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1096     QSet<KUrl> urls;
1097     stream >> urls;
1098     fileItemModel()->restoreExpandedUrls(urls);
1099 }
1100
1101 void DolphinView::saveState(QDataStream& stream)
1102 {
1103     // Save the current item that has the keyboard focus
1104     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1105     if (currentIndex != -1) {
1106         KFileItem item = fileItemModel()->fileItem(currentIndex);
1107         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1108         KUrl currentItemUrl = item.url();
1109         stream << currentItemUrl;
1110     } else {
1111         stream << KUrl();
1112     }
1113
1114     // Save view position
1115     const qreal x = m_container->horizontalScrollBar()->value();
1116     const qreal y = m_container->verticalScrollBar()->value();
1117     stream << QPoint(x, y);
1118
1119     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1120     stream << fileItemModel()->expandedUrls();
1121 }
1122
1123 bool DolphinView::hasSelection() const
1124 {
1125     return m_container->controller()->selectionManager()->hasSelection();
1126 }
1127
1128 KFileItem DolphinView::rootItem() const
1129 {
1130     return fileItemModel()->rootItem();
1131 }
1132
1133 void DolphinView::observeCreatedItem(const KUrl& url)
1134 {
1135     m_createdItemUrl = url;
1136     //connect(m_dirModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
1137     //        this, SLOT(selectAndScrollToCreatedItem()));
1138 }
1139
1140 void DolphinView::selectAndScrollToCreatedItem()
1141 {
1142     /*const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForUrl(m_createdItemUrl);
1143     if (dirIndex.isValid()) {
1144         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
1145         QAbstractItemView* view = m_viewAccessor.itemView();
1146         if (view) {
1147             view->setCurrentIndex(proxyIndex);
1148         }
1149     }
1150
1151     disconnect(m_viewAccessor.dirModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
1152                this, SLOT(selectAndScrollToCreatedItem()));*/
1153     m_createdItemUrl = KUrl();
1154 }
1155
1156 void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1157 {
1158     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1159         emit redirection(oldUrl, newUrl);
1160         m_url = newUrl; // #186947
1161     }
1162 }
1163
1164 void DolphinView::updateViewState()
1165 {
1166     if (m_currentItemUrl != KUrl()) {
1167         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1168         const int currentIndex = fileItemModel()->index(m_currentItemUrl);
1169         if (currentIndex != -1) {
1170             selectionManager->setCurrentItem(currentIndex);
1171         } else {
1172             selectionManager->setCurrentItem(0);
1173         }
1174         m_currentItemUrl = KUrl();
1175     }
1176
1177     if (!m_restoredContentsPosition.isNull()) {
1178         const int x = m_restoredContentsPosition.x();
1179         const int y = m_restoredContentsPosition.y();
1180         m_restoredContentsPosition = QPoint();
1181
1182         m_container->horizontalScrollBar()->setValue(x);
1183         m_container->verticalScrollBar()->setValue(y);
1184     }
1185
1186     if (!m_selectedUrls.isEmpty()) {
1187         clearSelection();
1188
1189         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1190         QSet<int> selectedItems = selectionManager->selectedItems();
1191         const KFileItemModel* model = fileItemModel();
1192
1193         foreach (const KUrl& url, m_selectedUrls) {
1194             const int index = model->index(url);
1195             if (index >= 0) {
1196                 selectedItems.insert(index);
1197             }
1198         }
1199
1200         selectionManager->setSelectedItems(selectedItems);
1201         m_selectedUrls.clear();
1202     }
1203 }
1204
1205 void DolphinView::hideToolTip()
1206 {
1207     if (GeneralSettings::showToolTips()) {
1208         m_toolTipManager->hideToolTip();
1209     }
1210 }
1211
1212 void DolphinView::showHoverInformation(const KFileItem& item)
1213 {
1214     emit requestItemInfo(item);
1215 }
1216
1217 void DolphinView::clearHoverInformation()
1218 {
1219     emit requestItemInfo(KFileItem());
1220 }
1221
1222 void DolphinView::slotDeleteFileFinished(KJob* job)
1223 {
1224     if (job->error() == 0) {
1225         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1226     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1227         emit errorMessage(job->errorString());
1228     }
1229 }
1230
1231 void DolphinView::slotDirLoadingStarted()
1232 {
1233     // Disable the writestate temporary until it can be determined in a fast way
1234     // in DolphinView::slotLoadingCompleted()
1235     if (m_isFolderWritable) {
1236         m_isFolderWritable = false;
1237         emit writeStateChanged(m_isFolderWritable);
1238     }
1239
1240     emit startedDirLoading(url());
1241 }
1242
1243 void DolphinView::slotDirLoadingCompleted()
1244 {
1245     // Update the view-state. This has to be done using a Qt::QueuedConnection
1246     // because the view might not be in its final state yet.
1247     QTimer::singleShot(0, this, SLOT(updateViewState()));
1248
1249     emit finishedDirLoading(url());
1250
1251     updateWritableState();
1252 }
1253
1254 void DolphinView::slotItemsChanged()
1255 {
1256     m_assureVisibleCurrentIndex = false;
1257 }
1258
1259 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1260 {
1261     Q_UNUSED(previous);
1262     Q_ASSERT(fileItemModel()->sortOrder() == current);
1263
1264     ViewProperties props(url());
1265     props.setSortOrder(current);
1266
1267     emit sortOrderChanged(current);
1268 }
1269
1270 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1271 {
1272     Q_UNUSED(previous);
1273     Q_ASSERT(fileItemModel()->sortRole() == current);
1274
1275     ViewProperties props(url());
1276     props.setSortRole(current);
1277
1278     emit sortRoleChanged(current);
1279 }
1280
1281 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1282                                                   const QList<QByteArray>& previous)
1283 {
1284     Q_UNUSED(previous);
1285     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1286
1287     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1288
1289     m_visibleRoles = current;
1290
1291     ViewProperties props(url());
1292     props.setVisibleRoles(m_visibleRoles);
1293
1294     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1295 }
1296
1297 KFileItemModel* DolphinView::fileItemModel() const
1298 {
1299     return static_cast<KFileItemModel*>(m_container->controller()->model());
1300 }
1301
1302 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1303 {
1304     if (!url.isValid()) {
1305         const QString location(url.pathOrUrl());
1306         if (location.isEmpty()) {
1307             emit errorMessage(i18nc("@info:status", "The location is empty."));
1308         } else {
1309             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1310         }
1311         return;
1312     }
1313
1314     KFileItemModel* model = fileItemModel();
1315     if (reload) {
1316         model->refreshDir(url);
1317     } else {
1318         model->loadDir(url);
1319     }
1320 }
1321
1322 void DolphinView::applyViewProperties()
1323 {
1324     m_container->beginTransaction();
1325
1326     const ViewProperties props(url());
1327     KFileItemModel* model = fileItemModel();
1328
1329     const Mode mode = props.viewMode();
1330     if (m_mode != mode) {
1331         const Mode previousMode = m_mode;
1332         m_mode = mode;
1333
1334         // Changing the mode might result in changing
1335         // the zoom level. Remember the old zoom level so
1336         // that zoomLevelChanged() can get emitted.
1337         const int oldZoomLevel = m_container->zoomLevel();
1338
1339         switch (m_mode) {
1340         case IconsView:   m_container->setItemLayout(KFileItemListView::IconsLayout); break;
1341         case CompactView: m_container->setItemLayout(KFileItemListView::CompactLayout); break;
1342         case DetailsView: m_container->setItemLayout(KFileItemListView::DetailsLayout); break;
1343         default: Q_ASSERT(false); break;
1344         }
1345
1346         emit modeChanged(m_mode, previousMode);
1347
1348         if (m_container->zoomLevel() != oldZoomLevel) {
1349             emit zoomLevelChanged(m_container->zoomLevel(), oldZoomLevel);
1350         }
1351     }
1352
1353     const bool hiddenFilesShown = props.hiddenFilesShown();
1354     if (hiddenFilesShown != model->showHiddenFiles()) {
1355         model->setShowHiddenFiles(hiddenFilesShown);
1356         emit hiddenFilesShownChanged(hiddenFilesShown);
1357     }
1358
1359     const bool groupedSorting = props.groupedSorting();
1360     if (groupedSorting != model->groupedSorting()) {
1361         model->setGroupedSorting(groupedSorting);
1362         emit groupedSortingChanged(groupedSorting);
1363     }
1364
1365     const QByteArray sortRole = props.sortRole();
1366     if (sortRole != model->sortRole()) {
1367         model->setSortRole(sortRole);
1368         emit sortRoleChanged(sortRole);
1369     }
1370
1371     const Qt::SortOrder sortOrder = props.sortOrder();
1372     if (sortOrder != model->sortOrder()) {
1373         model->setSortOrder(sortOrder);
1374         emit sortOrderChanged(sortOrder);
1375     }
1376
1377     const bool sortFoldersFirst = props.sortFoldersFirst();
1378     if (sortFoldersFirst != model->sortFoldersFirst()) {
1379         model->setSortFoldersFirst(sortFoldersFirst);
1380         emit sortFoldersFirstChanged(sortFoldersFirst);
1381     }
1382
1383     const QList<QByteArray> visibleRoles = props.visibleRoles();
1384     if (visibleRoles != m_visibleRoles) {
1385         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1386         m_visibleRoles = visibleRoles;
1387         m_container->setVisibleRoles(visibleRoles);
1388         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1389     }
1390
1391     const bool previewsShown = props.previewsShown();
1392     if (previewsShown != m_container->previewsShown()) {
1393         const int oldZoomLevel = zoomLevel();
1394
1395         m_container->setPreviewsShown(previewsShown);
1396         emit previewsShownChanged(previewsShown);
1397
1398         // Changing the preview-state might result in a changed zoom-level
1399         if (oldZoomLevel != zoomLevel()) {
1400             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1401         }
1402     }
1403
1404     KItemListView* itemListView = m_container->controller()->view();
1405     if (itemListView->isHeaderVisible()) {
1406         KItemListHeader* header = itemListView->header();
1407         const QList<int> headerColumnWidths = props.headerColumnWidths();
1408         const int rolesCount = m_visibleRoles.count();
1409         if (headerColumnWidths.count() == rolesCount) {
1410             header->setAutomaticColumnResizing(false);
1411
1412             QHash<QByteArray, qreal> columnWidths;
1413             for (int i = 0; i < rolesCount; ++i) {
1414                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1415             }
1416             header->setColumnWidths(columnWidths);
1417         } else {
1418             header->setAutomaticColumnResizing(true);
1419         }
1420     }
1421
1422     m_container->endTransaction();
1423 }
1424
1425 void DolphinView::pasteToUrl(const KUrl& url)
1426 {
1427     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1428     KonqOperations::doPaste(this, url);
1429 }
1430
1431 KUrl::List DolphinView::simplifiedSelectedUrls() const
1432 {
1433     KUrl::List urls;
1434
1435     const KFileItemList items = selectedItems();
1436     foreach (const KFileItem &item, items) {
1437         urls.append(item.url());
1438     }
1439
1440     if (itemsExpandable()) {
1441         // TODO: Check if we still need KDirModel for this in KDE 5.0
1442         urls = KDirModel::simplifiedUrlList(urls);
1443     }
1444
1445     return urls;
1446 }
1447
1448 QMimeData* DolphinView::selectionMimeData() const
1449 {
1450     const KFileItemModel* model = fileItemModel();
1451     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1452     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1453
1454     return model->createMimeData(selectedIndexes);
1455 }
1456
1457 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1458 {
1459     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1460     KUrl::List destUrls;
1461     foreach (const KUrl& source, sourceUrls) {
1462         KUrl destination(url().url() + "/" + source.fileName());
1463         destUrls << destination;
1464     }
1465     markUrlsAsSelected(destUrls);
1466 }
1467
1468 void DolphinView::updateWritableState()
1469 {
1470     const bool wasFolderWritable = m_isFolderWritable;
1471     m_isFolderWritable = true;
1472
1473     const KFileItem item = fileItemModel()->rootItem();
1474     if (!item.isNull()) {
1475         KFileItemListProperties capabilities(KFileItemList() << item);
1476         m_isFolderWritable = capabilities.supportsWriting();
1477     }
1478     if (m_isFolderWritable != wasFolderWritable) {
1479         emit writeStateChanged(m_isFolderWritable);
1480     }
1481 }
1482
1483 #include "dolphinview.moc"