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_viewPropertiesContext(),
  92     m_mode(DolphinView::IconsView),
  93     m_visibleRoles(),
  94     m_topLayout(0),
  95     m_model(0),
  96     m_view(0),
  97     m_container(0),
  98     m_toolTipManager(0),
  99     m_selectionChangedTimer(0),
 100     m_currentItemUrl(),
 101     m_scrollToCurrentItem(false),
 102     m_restoredContentsPosition(),
 103     m_selectedUrls(),
 104     m_clearSelectionBeforeSelectingNewItems(false),
 105     m_versionControlObserver(0)
 106 {
 107     m_topLayout = new QVBoxLayout(this);
 108     m_topLayout->setSpacing(0);
 109     m_topLayout->setMargin(0);
 110
 111     // When a new item has been created by the "Create New..." menu, the item should
 112     // get selected and it must be assured that the item will get visible. As the
 113     // creation is done asynchronously, several signals must be checked:
 114     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 115             this, SLOT(observeCreatedItem(KUrl)));
 116
 117     m_selectionChangedTimer = new QTimer(this);
 118     m_selectionChangedTimer->setSingleShot(true);
 119     m_selectionChangedTimer->setInterval(300);
 120     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 121             this, SLOT(emitSelectionChangedSignal()));
 122
 123     m_model = new KFileItemModel(this);
 124     m_view = new DolphinItemListView();
 125     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 126     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 127     applyModeToView();
 128
 129     KItemListController* controller = new KItemListController(m_model, m_view, this);
 130     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 131     controller->setAutoActivationDelay(delay);
 132
 133     // The EnlargeSmallPreviews setting can only be changed after the model
 134     // has been set in the view by KItemListController.
 135     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 136
 137     m_container = new KItemListContainer(controller, this);
 138     m_container->installEventFilter(this);
 139     setFocusProxy(m_container);
 140     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 141     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 142
 143     controller->setSelectionBehavior(KItemListController::MultiSelection);
 144     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 145     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 146     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 147     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 148     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 149     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 150     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 151     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 152     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 153     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 154     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 155
 156     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 157     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 158     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 159     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 160     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 161             this, SLOT(slotItemsChanged()));
 162     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 163     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 164     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 165     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 166     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 167     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 168
 169     m_view->installEventFilter(this);
 170     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 171             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 172     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 173             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 174     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 175             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 176     connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 177             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 178     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 179             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 180
 181     KItemListSelectionManager* selectionManager = controller->selectionManager();
 182     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 183             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 184
 185     m_toolTipManager = new ToolTipManager(this);
 186
 187     m_versionControlObserver = new VersionControlObserver(this);
 188     m_versionControlObserver->setModel(m_model);
 189     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 190     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 191     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 192
 193     applyViewProperties();
 194     m_topLayout->addWidget(m_container);
 195
 196     loadDirectory(url);
 197 }
 198
 199 DolphinView::~DolphinView()
 200 {
 201 }
 202
 203 KUrl DolphinView::url() const
 204 {
 205     return m_url;
 206 }
 207
 208 void DolphinView::setActive(bool active)
 209 {
 210     if (active == m_active) {
 211         return;
 212     }
 213
 214     m_active = active;
 215
 216     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 217     if (!active) {
 218         color.setAlpha(150);
 219     }
 220
 221     QWidget* viewport = m_container->viewport();
 222     if (viewport) {
 223         QPalette palette;
 224         palette.setColor(viewport->backgroundRole(), color);
 225         viewport->setPalette(palette);
 226     }
 227
 228     update();
 229
 230     if (active) {
 231         m_container->setFocus();
 232         emit activated();
 233         emit writeStateChanged(m_isFolderWritable);
 234     }
 235 }
 236
 237 bool DolphinView::isActive() const
 238 {
 239     return m_active;
 240 }
 241
 242 void DolphinView::setMode(Mode mode)
 243 {
 244     if (mode != m_mode) {
 245         ViewProperties props(viewPropertiesUrl());
 246         props.setViewMode(mode);
 247         props.save();
 248
 249         applyViewProperties();
 250     }
 251 }
 252
 253 DolphinView::Mode DolphinView::mode() const
 254 {
 255     return m_mode;
 256 }
 257
 258 void DolphinView::setPreviewsShown(bool show)
 259 {
 260     if (previewsShown() == show) {
 261         return;
 262     }
 263
 264     ViewProperties props(viewPropertiesUrl());
 265     props.setPreviewsShown(show);
 266
 267     const int oldZoomLevel = m_view->zoomLevel();
 268     m_view->setPreviewsShown(show);
 269     emit previewsShownChanged(show);
 270
 271     const int newZoomLevel = m_view->zoomLevel();
 272     if (newZoomLevel != oldZoomLevel) {
 273         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 274     }
 275 }
 276
 277 bool DolphinView::previewsShown() const
 278 {
 279     return m_view->previewsShown();
 280 }
 281
 282 void DolphinView::setHiddenFilesShown(bool show)
 283 {
 284     if (m_model->showHiddenFiles() == show) {
 285         return;
 286     }
 287
 288     const KFileItemList itemList = selectedItems();
 289     m_selectedUrls.clear();
 290     m_selectedUrls = itemList.urlList();
 291
 292     ViewProperties props(viewPropertiesUrl());
 293     props.setHiddenFilesShown(show);
 294
 295     m_model->setShowHiddenFiles(show);
 296     emit hiddenFilesShownChanged(show);
 297 }
 298
 299 bool DolphinView::hiddenFilesShown() const
 300 {
 301     return m_model->showHiddenFiles();
 302 }
 303
 304 void DolphinView::setGroupedSorting(bool grouped)
 305 {
 306     if (grouped == groupedSorting()) {
 307         return;
 308     }
 309
 310     ViewProperties props(viewPropertiesUrl());
 311     props.setGroupedSorting(grouped);
 312     props.save();
 313
 314     m_container->controller()->model()->setGroupedSorting(grouped);
 315
 316     emit groupedSortingChanged(grouped);
 317 }
 318
 319 bool DolphinView::groupedSorting() const
 320 {
 321     return m_model->groupedSorting();
 322 }
 323
 324 KFileItemList DolphinView::items() const
 325 {
 326     KFileItemList list;
 327     const int itemCount = m_model->count();
 328     list.reserve(itemCount);
 329
 330     for (int i = 0; i < itemCount; ++i) {
 331         list.append(m_model->fileItem(i));
 332     }
 333
 334     return list;
 335 }
 336
 337 int DolphinView::itemsCount() const
 338 {
 339     return m_model->count();
 340 }
 341
 342 KFileItemList DolphinView::selectedItems() const
 343 {
 344     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 345     QList<int> selectedIndexes = selectionManager->selectedItems().toList();
 346
 347     qSort(selectedIndexes);
 348
 349     KFileItemList selectedItems;
 350     QListIterator<int> it(selectedIndexes);
 351     while (it.hasNext()) {
 352         const int index = it.next();
 353         selectedItems.append(m_model->fileItem(index));
 354     }
 355     return selectedItems;
 356 }
 357
 358 int DolphinView::selectedItemsCount() const
 359 {
 360     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 361     return selectionManager->selectedItems().count();
 362 }
 363
 364 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 365 {
 366     m_selectedUrls = urls;
 367 }
 368
 369 void DolphinView::markUrlAsCurrent(const KUrl& url)
 370 {
 371     m_currentItemUrl = url;
 372     m_scrollToCurrentItem = true;
 373 }
 374
 375 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 376 {
 377     const KItemListSelectionManager::SelectionMode mode = enabled
 378                                                         ? KItemListSelectionManager::Select
 379                                                         : KItemListSelectionManager::Deselect;
 380     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 381
 382     for (int index = 0; index < m_model->count(); index++) {
 383         const KFileItem item = m_model->fileItem(index);
 384         if (pattern.exactMatch(item.text())) {
 385             // An alternative approach would be to store the matching items in a QSet<int> and
 386             // select them in one go after the loop, but we'd need a new function
 387             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 388             // for that.
 389             selectionManager->setSelected(index, 1, mode);
 390         }
 391     }
 392 }
 393
 394 void DolphinView::setZoomLevel(int level)
 395 {
 396     const int oldZoomLevel = zoomLevel();
 397     m_view->setZoomLevel(level);
 398     if (zoomLevel() != oldZoomLevel) {
 399         hideToolTip();
 400         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 401     }
 402 }
 403
 404 int DolphinView::zoomLevel() const
 405 {
 406     return m_view->zoomLevel();
 407 }
 408
 409 void DolphinView::setSortRole(const QByteArray& role)
 410 {
 411     if (role != sortRole()) {
 412         updateSortRole(role);
 413     }
 414 }
 415
 416 QByteArray DolphinView::sortRole() const
 417 {
 418     const KItemModelBase* model = m_container->controller()->model();
 419     return model->sortRole();
 420 }
 421
 422 void DolphinView::setSortOrder(Qt::SortOrder order)
 423 {
 424     if (sortOrder() != order) {
 425         updateSortOrder(order);
 426     }
 427 }
 428
 429 Qt::SortOrder DolphinView::sortOrder() const
 430 {
 431     return m_model->sortOrder();
 432 }
 433
 434 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 435 {
 436     if (sortFoldersFirst() != foldersFirst) {
 437         updateSortFoldersFirst(foldersFirst);
 438     }
 439 }
 440
 441 bool DolphinView::sortFoldersFirst() const
 442 {
 443     return m_model->sortDirectoriesFirst();
 444 }
 445
 446 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 447 {
 448     const QList<QByteArray> previousRoles = roles;
 449
 450     ViewProperties props(viewPropertiesUrl());
 451     props.setVisibleRoles(roles);
 452
 453     m_visibleRoles = roles;
 454     m_view->setVisibleRoles(roles);
 455
 456     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 457 }
 458
 459 QList<QByteArray> DolphinView::visibleRoles() const
 460 {
 461     return m_visibleRoles;
 462 }
 463
 464 void DolphinView::reload()
 465 {
 466     QByteArray viewState;
 467     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 468     saveState(saveStream);
 469
 470     const KFileItemList itemList = selectedItems();
 471     m_selectedUrls.clear();
 472     m_selectedUrls = itemList.urlList();
 473
 474     setUrl(url());
 475     loadDirectory(url(), true);
 476
 477     QDataStream restoreStream(viewState);
 478     restoreState(restoreStream);
 479 }
 480
 481 void DolphinView::stopLoading()
 482 {
 483     m_model->cancelDirectoryLoading();
 484 }
 485
 486 void DolphinView::readSettings()
 487 {
 488     const int oldZoomLevel = m_view->zoomLevel();
 489
 490     GeneralSettings::self()->readConfig();
 491     m_view->readSettings();
 492     applyViewProperties();
 493
 494     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 495     m_container->controller()->setAutoActivationDelay(delay);
 496
 497     const int newZoomLevel = m_view->zoomLevel();
 498     if (newZoomLevel != oldZoomLevel) {
 499         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 500     }
 501 }
 502
 503 void DolphinView::writeSettings()
 504 {
 505     GeneralSettings::self()->writeConfig();
 506     m_view->writeSettings();
 507 }
 508
 509 void DolphinView::setNameFilter(const QString& nameFilter)
 510 {
 511     m_model->setNameFilter(nameFilter);
 512 }
 513
 514 QString DolphinView::nameFilter() const
 515 {
 516     return m_model->nameFilter();
 517 }
 518
 519 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 520 {
 521     return m_model->setMimeTypeFilters(filters);
 522 }
 523
 524 QStringList DolphinView::mimeTypeFilters() const
 525 {
 526     return m_model->mimeTypeFilters();
 527 }
 528
 529 QString DolphinView::statusBarText() const
 530 {
 531     QString summary;
 532     QString foldersText;
 533     QString filesText;
 534
 535     int folderCount = 0;
 536     int fileCount = 0;
 537     KIO::filesize_t totalFileSize = 0;
 538
 539     if (m_container->controller()->selectionManager()->hasSelection()) {
 540         // Give a summary of the status of the selected files
 541         const KFileItemList list = selectedItems();
 542         foreach (const KFileItem& item, list) {
 543             if (item.isDir()) {
 544                 ++folderCount;
 545             } else {
 546                 ++fileCount;
 547                 totalFileSize += item.size();
 548             }
 549         }
 550
 551         if (folderCount + fileCount == 1) {
 552             // If only one item is selected, show the filename
 553             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 554         } else {
 555             // At least 2 items are selected
 556             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 557             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 558         }
 559     } else {
 560         calculateItemCount(fileCount, folderCount, totalFileSize);
 561         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 562         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 563     }
 564
 565     if (fileCount > 0 && folderCount > 0) {
 566         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 567                         foldersText, filesText,
 568                         KGlobal::locale()->formatByteSize(totalFileSize));
 569     } else if (fileCount > 0) {
 570         summary = i18nc("@info:status files (size)", "%1 (%2)",
 571                         filesText,
 572                         KGlobal::locale()->formatByteSize(totalFileSize));
 573     } else if (folderCount > 0) {
 574         summary = foldersText;
 575     } else {
 576         summary = i18nc("@info:status", "0 Folders, 0 Files");
 577     }
 578
 579     return summary;
 580 }
 581
 582 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 583 {
 584     QList<QAction*> actions;
 585
 586     if (items.isEmpty()) {
 587         const KFileItem item = m_model->rootItem();
 588         if (!item.isNull()) {
 589             actions = m_versionControlObserver->actions(KFileItemList() << item);
 590         }
 591     } else {
 592         actions = m_versionControlObserver->actions(items);
 593     }
 594
 595     return actions;
 596 }
 597
 598 void DolphinView::setUrl(const KUrl& url)
 599 {
 600     if (url == m_url) {
 601         return;
 602     }
 603
 604     clearSelection();
 605
 606     emit urlAboutToBeChanged(url);
 607     m_url = url;
 608
 609     hideToolTip();
 610
 611     // It is important to clear the items from the model before
 612     // applying the view properties, otherwise expensive operations
 613     // might be done on the existing items although they get cleared
 614     // anyhow afterwards by loadDirectory().
 615     m_model->clear();
 616     applyViewProperties();
 617     loadDirectory(url);
 618
 619     emit urlChanged(url);
 620 }
 621
 622 void DolphinView::selectAll()
 623 {
 624     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 625     selectionManager->setSelected(0, m_model->count());
 626 }
 627
 628 void DolphinView::invertSelection()
 629 {
 630     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 631     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 632 }
 633
 634 void DolphinView::clearSelection()
 635 {
 636     m_selectedUrls.clear();
 637     m_container->controller()->selectionManager()->clearSelection();
 638 }
 639
 640 void DolphinView::renameSelectedItems()
 641 {
 642     const KFileItemList items = selectedItems();
 643      if (items.isEmpty()) {
 644          return;
 645      }
 646
 647      if (items.count() == 1 && GeneralSettings::renameInline()) {
 648          const int index = m_model->index(items.first());
 649          m_view->editRole(index, "text");
 650      } else {
 651          RenameDialog* dialog = new RenameDialog(this, items);
 652          dialog->setAttribute(Qt::WA_DeleteOnClose);
 653          dialog->show();
 654          dialog->raise();
 655          dialog->activateWindow();
 656      }
 657
 658      // Assure that the current index remains visible when KFileItemModel
 659      // will notify the view about changed items (which might result in
 660      // a changed sorting).
 661      m_assureVisibleCurrentIndex = true;
 662 }
 663
 664 void DolphinView::trashSelectedItems()
 665 {
 666     const KUrl::List list = simplifiedSelectedUrls();
 667     KonqOperations::del(this, KonqOperations::TRASH, list);
 668 }
 669
 670 void DolphinView::deleteSelectedItems()
 671 {
 672     const KUrl::List list = simplifiedSelectedUrls();
 673     const bool del = KonqOperations::askDeleteConfirmation(list,
 674                      KonqOperations::DEL,
 675                      KonqOperations::DEFAULT_CONFIRMATION,
 676                      this);
 677
 678     if (del) {
 679         KIO::Job* job = KIO::del(list);
 680         if (job->ui()) {
 681             job->ui()->setWindow(this);
 682         }
 683         connect(job, SIGNAL(result(KJob*)),
 684                 this, SLOT(slotDeleteFileFinished(KJob*)));
 685     }
 686 }
 687
 688 void DolphinView::cutSelectedItems()
 689 {
 690     QMimeData* mimeData = selectionMimeData();
 691     KonqMimeData::addIsCutSelection(mimeData, true);
 692     QApplication::clipboard()->setMimeData(mimeData);
 693 }
 694
 695 void DolphinView::copySelectedItems()
 696 {
 697     QMimeData* mimeData = selectionMimeData();
 698     QApplication::clipboard()->setMimeData(mimeData);
 699 }
 700
 701 void DolphinView::paste()
 702 {
 703     pasteToUrl(url());
 704 }
 705
 706 void DolphinView::pasteIntoFolder()
 707 {
 708     const KFileItemList items = selectedItems();
 709     if ((items.count() == 1) && items.first().isDir()) {
 710         pasteToUrl(items.first().url());
 711     }
 712 }
 713
 714 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 715 {
 716     switch (event->type()) {
 717     case QEvent::FocusIn:
 718         if (watched == m_container) {
 719             setActive(true);
 720         }
 721         break;
 722
 723     case QEvent::GraphicsSceneDragEnter:
 724         if (watched == m_view) {
 725             m_dragging = true;
 726         }
 727         break;
 728
 729     case QEvent::GraphicsSceneDragLeave:
 730         if (watched == m_view) {
 731             m_dragging = false;
 732         }
 733         break;
 734
 735     case QEvent::GraphicsSceneDrop:
 736         if (watched == m_view) {
 737             m_dragging = false;
 738         }
 739     default:
 740         break;
 741     }
 742
 743     return QWidget::eventFilter(watched, event);
 744 }
 745
 746 void DolphinView::wheelEvent(QWheelEvent* event)
 747 {
 748     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 749         const int numDegrees = event->delta() / 8;
 750         const int numSteps = numDegrees / 15;
 751
 752         setZoomLevel(zoomLevel() + numSteps);
 753         event->accept();
 754     } else {
 755         event->ignore();
 756     }
 757 }
 758
 759 void DolphinView::hideEvent(QHideEvent* event)
 760 {
 761     hideToolTip();
 762     QWidget::hideEvent(event);
 763 }
 764
 765 bool DolphinView::event(QEvent* event)
 766 {
 767     /* See Bug 297355
 768      * Dolphin leaves file preview tooltips open even when is not visible.
 769      *
 770      * Hide tool-tip when Dolphin loses focus.
 771      */
 772     if (event->type() == QEvent::WindowDeactivate) {
 773         hideToolTip();
 774     }
 775
 776     return QWidget::event(event);
 777 }
 778
 779 void DolphinView::activate()
 780 {
 781     setActive(true);
 782 }
 783
 784 void DolphinView::slotItemActivated(int index)
 785 {
 786     const KFileItem item = m_model->fileItem(index);
 787     if (!item.isNull()) {
 788         emit itemActivated(item);
 789     }
 790 }
 791
 792 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 793 {
 794     Q_ASSERT(indexes.count() >= 2);
 795
 796     KFileItemList items;
 797
 798     QSetIterator<int> it(indexes);
 799     while (it.hasNext()) {
 800         const int index = it.next();
 801         items.append(m_model->fileItem(index));
 802     }
 803
 804     foreach (const KFileItem& item, items) {
 805         if (item.isDir()) {
 806             emit tabRequested(item.url());
 807         } else {
 808             emit itemActivated(item);
 809         }
 810     }
 811 }
 812
 813 void DolphinView::slotItemMiddleClicked(int index)
 814 {
 815     const KFileItem item = m_model->fileItem(index);
 816     if (item.isDir() || isTabsForFilesEnabled()) {
 817         emit tabRequested(item.url());
 818     }
 819 }
 820
 821 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 822 {
 823     const KFileItem item = m_model->fileItem(index);
 824     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 825 }
 826
 827 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 828 {
 829     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 830 }
 831
 832 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 833 {
 834     ViewProperties props(viewPropertiesUrl());
 835
 836     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 837
 838     KItemListView* view = m_container->controller()->view();
 839     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 840
 841     bool nepomukRunning = false;
 842     bool indexingEnabled = false;
 843 #ifdef HAVE_NEPOMUK
 844     nepomukRunning = (Nepomuk::ResourceManager::instance()->initialized());
 845     if (nepomukRunning) {
 846         KConfig config("nepomukserverrc");
 847         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", false);
 848     }
 849 #endif
 850
 851     QString groupName;
 852     QMenu* groupMenu = 0;
 853
 854     // Add all roles to the menu that can be shown or hidden by the user
 855     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 856     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 857         if (info.role == "text") {
 858             // It should not be possible to hide the "text" role
 859             continue;
 860         }
 861
 862         const QString text = m_model->roleDescription(info.role);
 863         QAction* action = 0;
 864         if (info.group.isEmpty()) {
 865             action = menu->addAction(text);
 866         } else {
 867             if (!groupMenu || info.group != groupName) {
 868                 groupName = info.group;
 869                 groupMenu = menu->addMenu(groupName);
 870             }
 871
 872             action = groupMenu->addAction(text);
 873         }
 874
 875         action->setCheckable(true);
 876         action->setChecked(visibleRolesSet.contains(info.role));
 877         action->setData(info.role);
 878
 879         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 880                             (info.requiresNepomuk && nepomukRunning) ||
 881                             (info.requiresIndexer && indexingEnabled);
 882         action->setEnabled(enable);
 883     }
 884
 885     menu->addSeparator();
 886
 887     QActionGroup* widthsGroup = new QActionGroup(menu);
 888     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 889
 890     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 891     autoAdjustWidthsAction->setCheckable(true);
 892     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 893     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 894
 895     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 896     customWidthsAction->setCheckable(true);
 897     customWidthsAction->setChecked(!autoColumnWidths);
 898     customWidthsAction->setActionGroup(widthsGroup);
 899
 900     QAction* action = menu->exec(pos.toPoint());
 901     if (menu && action) {
 902         KItemListHeader* header = view->header();
 903
 904         if (action == autoAdjustWidthsAction) {
 905             // Clear the column-widths from the viewproperties and turn on
 906             // the automatic resizing of the columns
 907             props.setHeaderColumnWidths(QList<int>());
 908             header->setAutomaticColumnResizing(true);
 909         } else if (action == customWidthsAction) {
 910             // Apply the current column-widths as custom column-widths and turn
 911             // off the automatic resizing of the columns
 912             QList<int> columnWidths;
 913             foreach (const QByteArray& role, view->visibleRoles()) {
 914                 columnWidths.append(header->columnWidth(role));
 915             }
 916             props.setHeaderColumnWidths(columnWidths);
 917             header->setAutomaticColumnResizing(false);
 918         } else {
 919             // Show or hide the selected role
 920             const QByteArray selectedRole = action->data().toByteArray();
 921
 922             QList<QByteArray> visibleRoles = view->visibleRoles();
 923             if (action->isChecked()) {
 924                 visibleRoles.append(selectedRole);
 925             } else {
 926                 visibleRoles.removeOne(selectedRole);
 927             }
 928
 929             view->setVisibleRoles(visibleRoles);
 930             props.setVisibleRoles(visibleRoles);
 931
 932             QList<int> columnWidths;
 933             if (!header->automaticColumnResizing()) {
 934                 foreach (const QByteArray& role, view->visibleRoles()) {
 935                     columnWidths.append(header->columnWidth(role));
 936                 }
 937             }
 938             props.setHeaderColumnWidths(columnWidths);
 939         }
 940     }
 941
 942     delete menu;
 943 }
 944
 945 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 946 {
 947     Q_UNUSED(previous);
 948
 949     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 950
 951     ViewProperties props(viewPropertiesUrl());
 952     QList<int> columnWidths = props.headerColumnWidths();
 953     if (columnWidths.count() != visibleRoles.count()) {
 954         columnWidths.clear();
 955         columnWidths.reserve(visibleRoles.count());
 956         const KItemListHeader* header = m_view->header();
 957         foreach (const QByteArray& role, visibleRoles) {
 958             const int width = header->columnWidth(role);
 959             columnWidths.append(width);
 960         }
 961     }
 962
 963     const int roleIndex = visibleRoles.indexOf(role);
 964     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 965     columnWidths[roleIndex] = current;
 966
 967     props.setHeaderColumnWidths(columnWidths);
 968 }
 969
 970 void DolphinView::slotItemHovered(int index)
 971 {
 972     const KFileItem item = m_model->fileItem(index);
 973
 974     if (GeneralSettings::showToolTips() && !m_dragging) {
 975         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 976         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 977         itemRect.moveTo(pos);
 978
 979         m_toolTipManager->showToolTip(item, itemRect);
 980     }
 981
 982     emit requestItemInfo(item);
 983 }
 984
 985 void DolphinView::slotItemUnhovered(int index)
 986 {
 987     Q_UNUSED(index);
 988     hideToolTip();
 989     emit requestItemInfo(KFileItem());
 990 }
 991
 992 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 993 {
 994     KUrl destUrl;
 995     KFileItem destItem = m_model->fileItem(index);
 996     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
 997         // Use the URL of the view as drop target if the item is no directory
 998         // or desktop-file
 999         destItem = m_model->rootItem();
1000         destUrl = url();
1001     } else {
1002         // The item represents a directory or desktop-file
1003         destUrl = destItem.url();
1004     }
1005
1006     QDropEvent dropEvent(event->pos().toPoint(),
1007                          event->possibleActions(),
1008                          event->mimeData(),
1009                          event->buttons(),
1010                          event->modifiers());
1011
1012     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
1013     if (!error.isEmpty()) {
1014         emit errorMessage(error);
1015     }
1016
1017     if (destUrl == url()) {
1018         // Mark the dropped urls as selected.
1019         markPastedUrlsAsSelected(event->mimeData());
1020     }
1021 }
1022
1023 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1024 {
1025     if (previous != 0) {
1026         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1027         m_versionControlObserver->setModel(0);
1028     }
1029
1030     if (current) {
1031         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1032         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1033
1034         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1035         m_versionControlObserver->setModel(fileItemModel);
1036     }
1037 }
1038
1039 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1040 {
1041     hideToolTip();
1042
1043     if (itemIndex < 0) {
1044         // Trigger the history navigation only when clicking on the viewport:
1045         // Above an item the XButtons provide a simple way to select items in
1046         // the singleClick mode.
1047         if (buttons & Qt::XButton1) {
1048             emit goBackRequested();
1049         } else if (buttons & Qt::XButton2) {
1050             emit goForwardRequested();
1051         }
1052     }
1053 }
1054
1055 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1056 {
1057     const int currentCount = current.count();
1058     const int previousCount = previous.count();
1059     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1060                                        (currentCount >  0 && previousCount == 0);
1061
1062     // If nothing has been selected before and something got selected (or if something
1063     // was selected before and now nothing is selected) the selectionChangedSignal must
1064     // be emitted asynchronously as fast as possible to update the edit-actions.
1065     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1066     m_selectionChangedTimer->start();
1067 }
1068
1069 void DolphinView::emitSelectionChangedSignal()
1070 {
1071     m_selectionChangedTimer->stop();
1072     emit selectionChanged(selectedItems());
1073 }
1074
1075 void DolphinView::updateSortRole(const QByteArray& role)
1076 {
1077     ViewProperties props(viewPropertiesUrl());
1078     props.setSortRole(role);
1079
1080     KItemModelBase* model = m_container->controller()->model();
1081     model->setSortRole(role);
1082
1083     emit sortRoleChanged(role);
1084 }
1085
1086 void DolphinView::updateSortOrder(Qt::SortOrder order)
1087 {
1088     ViewProperties props(viewPropertiesUrl());
1089     props.setSortOrder(order);
1090
1091     m_model->setSortOrder(order);
1092
1093     emit sortOrderChanged(order);
1094 }
1095
1096 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1097 {
1098     ViewProperties props(viewPropertiesUrl());
1099     props.setSortFoldersFirst(foldersFirst);
1100
1101     m_model->setSortDirectoriesFirst(foldersFirst);
1102
1103     emit sortFoldersFirstChanged(foldersFirst);
1104 }
1105
1106 QPair<bool, QString> DolphinView::pasteInfo() const
1107 {
1108     return KonqOperations::pasteInfo(url());
1109 }
1110
1111 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1112 {
1113     m_tabsForFiles = tabsForFiles;
1114 }
1115
1116 bool DolphinView::isTabsForFilesEnabled() const
1117 {
1118     return m_tabsForFiles;
1119 }
1120
1121 bool DolphinView::itemsExpandable() const
1122 {
1123     return m_mode == DetailsView;
1124 }
1125
1126 void DolphinView::restoreState(QDataStream& stream)
1127 {
1128     // Restore the current item that had the keyboard focus
1129     stream >> m_currentItemUrl;
1130
1131     // Restore the view position
1132     stream >> m_restoredContentsPosition;
1133
1134     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1135     QSet<KUrl> urls;
1136     stream >> urls;
1137     m_model->restoreExpandedDirectories(urls);
1138 }
1139
1140 void DolphinView::saveState(QDataStream& stream)
1141 {
1142     // Save the current item that has the keyboard focus
1143     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1144     if (currentIndex != -1) {
1145         KFileItem item = m_model->fileItem(currentIndex);
1146         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1147         KUrl currentItemUrl = item.url();
1148         stream << currentItemUrl;
1149     } else {
1150         stream << KUrl();
1151     }
1152
1153     // Save view position
1154     const qreal x = m_container->horizontalScrollBar()->value();
1155     const qreal y = m_container->verticalScrollBar()->value();
1156     stream << QPoint(x, y);
1157
1158     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1159     stream << m_model->expandedDirectories();
1160 }
1161
1162 KFileItem DolphinView::rootItem() const
1163 {
1164     return m_model->rootItem();
1165 }
1166
1167 void DolphinView::setViewPropertiesContext(const QString& context)
1168 {
1169     m_viewPropertiesContext = context;
1170 }
1171
1172 QString DolphinView::viewPropertiesContext() const
1173 {
1174     return m_viewPropertiesContext;
1175 }
1176
1177 void DolphinView::observeCreatedItem(const KUrl& url)
1178 {
1179     if (m_active) {
1180         clearSelection();
1181         markUrlAsCurrent(url);
1182         markUrlsAsSelected(QList<KUrl>() << url);
1183     }
1184 }
1185
1186 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1187 {
1188     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1189         emit redirection(oldUrl, newUrl);
1190         m_url = newUrl; // #186947
1191     }
1192 }
1193
1194 void DolphinView::updateViewState()
1195 {
1196     if (m_currentItemUrl != KUrl()) {
1197         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1198         const int currentIndex = m_model->index(m_currentItemUrl);
1199         if (currentIndex != -1) {
1200             selectionManager->setCurrentItem(currentIndex);
1201
1202             // scroll to current item and reset the state
1203             if (m_scrollToCurrentItem) {
1204                 m_view->scrollToItem(currentIndex);
1205                 m_scrollToCurrentItem = false;
1206             }
1207         } else {
1208             selectionManager->setCurrentItem(0);
1209         }
1210         m_currentItemUrl = KUrl();
1211     }
1212
1213     if (!m_restoredContentsPosition.isNull()) {
1214         const int x = m_restoredContentsPosition.x();
1215         const int y = m_restoredContentsPosition.y();
1216         m_restoredContentsPosition = QPoint();
1217
1218         m_container->horizontalScrollBar()->setValue(x);
1219         m_container->verticalScrollBar()->setValue(y);
1220     }
1221
1222     if (!m_selectedUrls.isEmpty()) {
1223         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1224
1225         if (m_clearSelectionBeforeSelectingNewItems) {
1226             selectionManager->clearSelection();
1227             m_clearSelectionBeforeSelectingNewItems = false;
1228         }
1229
1230         QSet<int> selectedItems = selectionManager->selectedItems();
1231
1232         QList<KUrl>::iterator it = m_selectedUrls.begin();
1233         while (it != m_selectedUrls.end()) {
1234             const int index = m_model->index(*it);
1235             if (index >= 0) {
1236                 selectedItems.insert(index);
1237                 it = m_selectedUrls.erase(it);
1238             } else {
1239                  ++it;
1240             }
1241         }
1242
1243         selectionManager->setSelectedItems(selectedItems);
1244     }
1245 }
1246
1247 void DolphinView::hideToolTip()
1248 {
1249     if (GeneralSettings::showToolTips()) {
1250         m_toolTipManager->hideToolTip();
1251     }
1252 }
1253
1254 void DolphinView::calculateItemCount(int& fileCount,
1255                                      int& folderCount,
1256                                      KIO::filesize_t& totalFileSize) const
1257 {
1258     const int itemCount = m_model->count();
1259     for (int i = 0; i < itemCount; ++i) {
1260         const KFileItem item = m_model->fileItem(i);
1261         if (item.isDir()) {
1262             ++folderCount;
1263         } else {
1264             ++fileCount;
1265             totalFileSize += item.size();
1266         }
1267     }
1268 }
1269
1270 void DolphinView::showHoverInformation(const KFileItem& item)
1271 {
1272     emit requestItemInfo(item);
1273 }
1274
1275 void DolphinView::clearHoverInformation()
1276 {
1277     emit requestItemInfo(KFileItem());
1278 }
1279
1280 void DolphinView::slotDeleteFileFinished(KJob* job)
1281 {
1282     if (job->error() == 0) {
1283         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1284     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1285         emit errorMessage(job->errorString());
1286     }
1287 }
1288
1289 void DolphinView::slotDirectoryLoadingStarted()
1290 {
1291     // Disable the writestate temporary until it can be determined in a fast way
1292     // in DolphinView::slotLoadingCompleted()
1293     if (m_isFolderWritable) {
1294         m_isFolderWritable = false;
1295         emit writeStateChanged(m_isFolderWritable);
1296     }
1297
1298     emit directoryLoadingStarted();
1299 }
1300
1301 void DolphinView::slotDirectoryLoadingCompleted()
1302 {
1303     // Update the view-state. This has to be done asynchronously
1304     // because the view might not be in its final state yet.
1305     QTimer::singleShot(0, this, SLOT(updateViewState()));
1306
1307     emit directoryLoadingCompleted();
1308
1309     updateWritableState();
1310 }
1311
1312 void DolphinView::slotItemsChanged()
1313 {
1314     m_assureVisibleCurrentIndex = false;
1315 }
1316
1317 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1318 {
1319     Q_UNUSED(previous);
1320     Q_ASSERT(m_model->sortOrder() == current);
1321
1322     ViewProperties props(viewPropertiesUrl());
1323     props.setSortOrder(current);
1324
1325     emit sortOrderChanged(current);
1326 }
1327
1328 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1329 {
1330     Q_UNUSED(previous);
1331     Q_ASSERT(m_model->sortRole() == current);
1332
1333     ViewProperties props(viewPropertiesUrl());
1334     props.setSortRole(current);
1335
1336     emit sortRoleChanged(current);
1337 }
1338
1339 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1340                                                   const QList<QByteArray>& previous)
1341 {
1342     Q_UNUSED(previous);
1343     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1344
1345     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1346
1347     m_visibleRoles = current;
1348
1349     ViewProperties props(viewPropertiesUrl());
1350     props.setVisibleRoles(m_visibleRoles);
1351
1352     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1353 }
1354
1355 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1356 {
1357     if (index < 0 || index >= m_model->count()) {
1358         return;
1359     }
1360
1361     if (role == "text") {
1362         const KFileItem oldItem = m_model->fileItem(index);
1363         const QString newName = value.toString();
1364         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1365             const KUrl oldUrl = oldItem.url();
1366
1367             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1368             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1369             if (!newNameExistsAlready) {
1370                 // Only change the data in the model if no item with the new name
1371                 // is in the model yet. If there is an item with the new name
1372                 // already, calling KonqOperations::rename() will open a dialog
1373                 // asking for a new name, and KFileItemModel will update the
1374                 // data when the dir lister signals that the file name has changed.
1375                 QHash<QByteArray, QVariant> data;
1376                 data.insert(role, value);
1377                 m_model->setData(index, data);
1378             }
1379
1380             KonqOperations::rename(this, oldUrl, newName);
1381         }
1382     }
1383 }
1384
1385 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1386 {
1387     if (!url.isValid()) {
1388         const QString location(url.pathOrUrl());
1389         if (location.isEmpty()) {
1390             emit errorMessage(i18nc("@info:status", "The location is empty."));
1391         } else {
1392             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1393         }
1394         return;
1395     }
1396
1397     if (reload) {
1398         m_model->refreshDirectory(url);
1399     } else {
1400         m_model->loadDirectory(url);
1401     }
1402 }
1403
1404 void DolphinView::applyViewProperties()
1405 {
1406     m_view->beginTransaction();
1407
1408     const ViewProperties props(viewPropertiesUrl());
1409
1410     const Mode mode = props.viewMode();
1411     if (m_mode != mode) {
1412         const Mode previousMode = m_mode;
1413         m_mode = mode;
1414
1415         // Changing the mode might result in changing
1416         // the zoom level. Remember the old zoom level so
1417         // that zoomLevelChanged() can get emitted.
1418         const int oldZoomLevel = m_view->zoomLevel();
1419         applyModeToView();
1420
1421         emit modeChanged(m_mode, previousMode);
1422
1423         if (m_view->zoomLevel() != oldZoomLevel) {
1424             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1425         }
1426     }
1427
1428     const bool hiddenFilesShown = props.hiddenFilesShown();
1429     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1430         m_model->setShowHiddenFiles(hiddenFilesShown);
1431         emit hiddenFilesShownChanged(hiddenFilesShown);
1432     }
1433
1434     const bool groupedSorting = props.groupedSorting();
1435     if (groupedSorting != m_model->groupedSorting()) {
1436         m_model->setGroupedSorting(groupedSorting);
1437         emit groupedSortingChanged(groupedSorting);
1438     }
1439
1440     const QByteArray sortRole = props.sortRole();
1441     if (sortRole != m_model->sortRole()) {
1442         m_model->setSortRole(sortRole);
1443         emit sortRoleChanged(sortRole);
1444     }
1445
1446     const Qt::SortOrder sortOrder = props.sortOrder();
1447     if (sortOrder != m_model->sortOrder()) {
1448         m_model->setSortOrder(sortOrder);
1449         emit sortOrderChanged(sortOrder);
1450     }
1451
1452     const bool sortFoldersFirst = props.sortFoldersFirst();
1453     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1454         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1455         emit sortFoldersFirstChanged(sortFoldersFirst);
1456     }
1457
1458     const QList<QByteArray> visibleRoles = props.visibleRoles();
1459     if (visibleRoles != m_visibleRoles) {
1460         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1461         m_visibleRoles = visibleRoles;
1462         m_view->setVisibleRoles(visibleRoles);
1463         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1464     }
1465
1466     const bool previewsShown = props.previewsShown();
1467     if (previewsShown != m_view->previewsShown()) {
1468         const int oldZoomLevel = zoomLevel();
1469
1470         m_view->setPreviewsShown(previewsShown);
1471         emit previewsShownChanged(previewsShown);
1472
1473         // Changing the preview-state might result in a changed zoom-level
1474         if (oldZoomLevel != zoomLevel()) {
1475             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1476         }
1477     }
1478
1479     KItemListView* itemListView = m_container->controller()->view();
1480     if (itemListView->isHeaderVisible()) {
1481         KItemListHeader* header = itemListView->header();
1482         const QList<int> headerColumnWidths = props.headerColumnWidths();
1483         const int rolesCount = m_visibleRoles.count();
1484         if (headerColumnWidths.count() == rolesCount) {
1485             header->setAutomaticColumnResizing(false);
1486
1487             QHash<QByteArray, qreal> columnWidths;
1488             for (int i = 0; i < rolesCount; ++i) {
1489                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1490             }
1491             header->setColumnWidths(columnWidths);
1492         } else {
1493             header->setAutomaticColumnResizing(true);
1494         }
1495     }
1496
1497     m_view->endTransaction();
1498 }
1499
1500 void DolphinView::applyModeToView()
1501 {
1502     switch (m_mode) {
1503     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1504     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1505     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1506     default: Q_ASSERT(false); break;
1507     }
1508 }
1509
1510 void DolphinView::pasteToUrl(const KUrl& url)
1511 {
1512     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1513     KonqOperations::doPaste(this, url);
1514 }
1515
1516 KUrl::List DolphinView::simplifiedSelectedUrls() const
1517 {
1518     KUrl::List urls;
1519
1520     const KFileItemList items = selectedItems();
1521     foreach (const KFileItem& item, items) {
1522         urls.append(item.url());
1523     }
1524
1525     if (itemsExpandable()) {
1526         // TODO: Check if we still need KDirModel for this in KDE 5.0
1527         urls = KDirModel::simplifiedUrlList(urls);
1528     }
1529
1530     return urls;
1531 }
1532
1533 QMimeData* DolphinView::selectionMimeData() const
1534 {
1535     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1536     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1537
1538     return m_model->createMimeData(selectedIndexes);
1539 }
1540
1541 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1542 {
1543     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1544     KUrl::List destUrls;
1545     foreach (const KUrl& source, sourceUrls) {
1546         KUrl destination(url().url() + '/' + source.fileName());
1547         destUrls << destination;
1548     }
1549     markUrlsAsSelected(destUrls);
1550     m_clearSelectionBeforeSelectingNewItems = true;
1551 }
1552
1553 void DolphinView::updateWritableState()
1554 {
1555     const bool wasFolderWritable = m_isFolderWritable;
1556     m_isFolderWritable = true;
1557
1558     const KFileItem item = m_model->rootItem();
1559     if (!item.isNull()) {
1560         KFileItemListProperties capabilities(KFileItemList() << item);
1561         m_isFolderWritable = capabilities.supportsWriting();
1562     }
1563     if (m_isFolderWritable != wasFolderWritable) {
1564         emit writeStateChanged(m_isFolderWritable);
1565     }
1566 }
1567
1568 KUrl DolphinView::viewPropertiesUrl() const
1569 {
1570     if (m_viewPropertiesContext.isEmpty()) {
1571         return m_url;
1572     }
1573
1574     KUrl url;
1575     url.setProtocol(m_url.protocol());
1576     url.setPath(m_viewPropertiesContext);
1577     return url;
1578 }
1579
1580 #include "dolphinview.moc"