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 <Nepomuk2/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(directoryLoadingCanceled()),      this, SIGNAL(directoryLoadingCanceled()));
 159     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 160     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 161     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 162             this, SLOT(slotItemsChanged()));
 163     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 164     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 165     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 166     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 167     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 168     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 169
 170     m_view->installEventFilter(this);
 171     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 172             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 173     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 174             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 175     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 176             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 177     connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 178             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 179     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 180             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 181
 182     KItemListSelectionManager* selectionManager = controller->selectionManager();
 183     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 184             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 185
 186     m_toolTipManager = new ToolTipManager(this);
 187
 188     m_versionControlObserver = new VersionControlObserver(this);
 189     m_versionControlObserver->setModel(m_model);
 190     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 191     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 192     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 193
 194     applyViewProperties();
 195     m_topLayout->addWidget(m_container);
 196
 197     loadDirectory(url);
 198 }
 199
 200 DolphinView::~DolphinView()
 201 {
 202 }
 203
 204 KUrl DolphinView::url() const
 205 {
 206     return m_url;
 207 }
 208
 209 void DolphinView::setActive(bool active)
 210 {
 211     if (active == m_active) {
 212         return;
 213     }
 214
 215     m_active = active;
 216
 217     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 218     if (!active) {
 219         color.setAlpha(150);
 220     }
 221
 222     QWidget* viewport = m_container->viewport();
 223     if (viewport) {
 224         QPalette palette;
 225         palette.setColor(viewport->backgroundRole(), color);
 226         viewport->setPalette(palette);
 227     }
 228
 229     update();
 230
 231     if (active) {
 232         m_container->setFocus();
 233         emit activated();
 234         emit writeStateChanged(m_isFolderWritable);
 235     }
 236 }
 237
 238 bool DolphinView::isActive() const
 239 {
 240     return m_active;
 241 }
 242
 243 void DolphinView::setMode(Mode mode)
 244 {
 245     if (mode != m_mode) {
 246         ViewProperties props(viewPropertiesUrl());
 247         props.setViewMode(mode);
 248         props.save();
 249
 250         applyViewProperties();
 251     }
 252 }
 253
 254 DolphinView::Mode DolphinView::mode() const
 255 {
 256     return m_mode;
 257 }
 258
 259 void DolphinView::setPreviewsShown(bool show)
 260 {
 261     if (previewsShown() == show) {
 262         return;
 263     }
 264
 265     ViewProperties props(viewPropertiesUrl());
 266     props.setPreviewsShown(show);
 267
 268     const int oldZoomLevel = m_view->zoomLevel();
 269     m_view->setPreviewsShown(show);
 270     emit previewsShownChanged(show);
 271
 272     const int newZoomLevel = m_view->zoomLevel();
 273     if (newZoomLevel != oldZoomLevel) {
 274         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 275     }
 276 }
 277
 278 bool DolphinView::previewsShown() const
 279 {
 280     return m_view->previewsShown();
 281 }
 282
 283 void DolphinView::setHiddenFilesShown(bool show)
 284 {
 285     if (m_model->showHiddenFiles() == show) {
 286         return;
 287     }
 288
 289     const KFileItemList itemList = selectedItems();
 290     m_selectedUrls.clear();
 291     m_selectedUrls = itemList.urlList();
 292
 293     ViewProperties props(viewPropertiesUrl());
 294     props.setHiddenFilesShown(show);
 295
 296     m_model->setShowHiddenFiles(show);
 297     emit hiddenFilesShownChanged(show);
 298 }
 299
 300 bool DolphinView::hiddenFilesShown() const
 301 {
 302     return m_model->showHiddenFiles();
 303 }
 304
 305 void DolphinView::setGroupedSorting(bool grouped)
 306 {
 307     if (grouped == groupedSorting()) {
 308         return;
 309     }
 310
 311     ViewProperties props(viewPropertiesUrl());
 312     props.setGroupedSorting(grouped);
 313     props.save();
 314
 315     m_container->controller()->model()->setGroupedSorting(grouped);
 316
 317     emit groupedSortingChanged(grouped);
 318 }
 319
 320 bool DolphinView::groupedSorting() const
 321 {
 322     return m_model->groupedSorting();
 323 }
 324
 325 KFileItemList DolphinView::items() const
 326 {
 327     KFileItemList list;
 328     const int itemCount = m_model->count();
 329     list.reserve(itemCount);
 330
 331     for (int i = 0; i < itemCount; ++i) {
 332         list.append(m_model->fileItem(i));
 333     }
 334
 335     return list;
 336 }
 337
 338 int DolphinView::itemsCount() const
 339 {
 340     return m_model->count();
 341 }
 342
 343 KFileItemList DolphinView::selectedItems() const
 344 {
 345     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 346     QList<int> selectedIndexes = selectionManager->selectedItems().toList();
 347
 348     qSort(selectedIndexes);
 349
 350     KFileItemList selectedItems;
 351     QListIterator<int> it(selectedIndexes);
 352     while (it.hasNext()) {
 353         const int index = it.next();
 354         selectedItems.append(m_model->fileItem(index));
 355     }
 356     return selectedItems;
 357 }
 358
 359 int DolphinView::selectedItemsCount() const
 360 {
 361     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 362     return selectionManager->selectedItems().count();
 363 }
 364
 365 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 366 {
 367     m_selectedUrls = urls;
 368 }
 369
 370 void DolphinView::markUrlAsCurrent(const KUrl& url)
 371 {
 372     m_currentItemUrl = url;
 373     m_scrollToCurrentItem = true;
 374 }
 375
 376 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 377 {
 378     const KItemListSelectionManager::SelectionMode mode = enabled
 379                                                         ? KItemListSelectionManager::Select
 380                                                         : KItemListSelectionManager::Deselect;
 381     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 382
 383     for (int index = 0; index < m_model->count(); index++) {
 384         const KFileItem item = m_model->fileItem(index);
 385         if (pattern.exactMatch(item.text())) {
 386             // An alternative approach would be to store the matching items in a QSet<int> and
 387             // select them in one go after the loop, but we'd need a new function
 388             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 389             // for that.
 390             selectionManager->setSelected(index, 1, mode);
 391         }
 392     }
 393 }
 394
 395 void DolphinView::setZoomLevel(int level)
 396 {
 397     const int oldZoomLevel = zoomLevel();
 398     m_view->setZoomLevel(level);
 399     if (zoomLevel() != oldZoomLevel) {
 400         hideToolTip();
 401         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 402     }
 403 }
 404
 405 int DolphinView::zoomLevel() const
 406 {
 407     return m_view->zoomLevel();
 408 }
 409
 410 void DolphinView::setSortRole(const QByteArray& role)
 411 {
 412     if (role != sortRole()) {
 413         updateSortRole(role);
 414     }
 415 }
 416
 417 QByteArray DolphinView::sortRole() const
 418 {
 419     const KItemModelBase* model = m_container->controller()->model();
 420     return model->sortRole();
 421 }
 422
 423 void DolphinView::setSortOrder(Qt::SortOrder order)
 424 {
 425     if (sortOrder() != order) {
 426         updateSortOrder(order);
 427     }
 428 }
 429
 430 Qt::SortOrder DolphinView::sortOrder() const
 431 {
 432     return m_model->sortOrder();
 433 }
 434
 435 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 436 {
 437     if (sortFoldersFirst() != foldersFirst) {
 438         updateSortFoldersFirst(foldersFirst);
 439     }
 440 }
 441
 442 bool DolphinView::sortFoldersFirst() const
 443 {
 444     return m_model->sortDirectoriesFirst();
 445 }
 446
 447 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 448 {
 449     const QList<QByteArray> previousRoles = roles;
 450
 451     ViewProperties props(viewPropertiesUrl());
 452     props.setVisibleRoles(roles);
 453
 454     m_visibleRoles = roles;
 455     m_view->setVisibleRoles(roles);
 456
 457     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 458 }
 459
 460 QList<QByteArray> DolphinView::visibleRoles() const
 461 {
 462     return m_visibleRoles;
 463 }
 464
 465 void DolphinView::reload()
 466 {
 467     QByteArray viewState;
 468     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 469     saveState(saveStream);
 470
 471     const KFileItemList itemList = selectedItems();
 472     m_selectedUrls.clear();
 473     m_selectedUrls = itemList.urlList();
 474
 475     setUrl(url());
 476     loadDirectory(url(), true);
 477
 478     QDataStream restoreStream(viewState);
 479     restoreState(restoreStream);
 480 }
 481
 482 void DolphinView::stopLoading()
 483 {
 484     m_model->cancelDirectoryLoading();
 485 }
 486
 487 void DolphinView::readSettings()
 488 {
 489     const int oldZoomLevel = m_view->zoomLevel();
 490
 491     GeneralSettings::self()->readConfig();
 492     m_view->readSettings();
 493     applyViewProperties();
 494
 495     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 496     m_container->controller()->setAutoActivationDelay(delay);
 497
 498     const int newZoomLevel = m_view->zoomLevel();
 499     if (newZoomLevel != oldZoomLevel) {
 500         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 501     }
 502 }
 503
 504 void DolphinView::writeSettings()
 505 {
 506     GeneralSettings::self()->writeConfig();
 507     m_view->writeSettings();
 508 }
 509
 510 void DolphinView::setNameFilter(const QString& nameFilter)
 511 {
 512     m_model->setNameFilter(nameFilter);
 513 }
 514
 515 QString DolphinView::nameFilter() const
 516 {
 517     return m_model->nameFilter();
 518 }
 519
 520 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 521 {
 522     return m_model->setMimeTypeFilters(filters);
 523 }
 524
 525 QStringList DolphinView::mimeTypeFilters() const
 526 {
 527     return m_model->mimeTypeFilters();
 528 }
 529
 530 QString DolphinView::statusBarText() const
 531 {
 532     QString summary;
 533     QString foldersText;
 534     QString filesText;
 535
 536     int folderCount = 0;
 537     int fileCount = 0;
 538     KIO::filesize_t totalFileSize = 0;
 539
 540     if (m_container->controller()->selectionManager()->hasSelection()) {
 541         // Give a summary of the status of the selected files
 542         const KFileItemList list = selectedItems();
 543         foreach (const KFileItem& item, list) {
 544             if (item.isDir()) {
 545                 ++folderCount;
 546             } else {
 547                 ++fileCount;
 548                 totalFileSize += item.size();
 549             }
 550         }
 551
 552         if (folderCount + fileCount == 1) {
 553             // If only one item is selected, show the filename
 554             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 555         } else {
 556             // At least 2 items are selected
 557             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 558             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 559         }
 560     } else {
 561         calculateItemCount(fileCount, folderCount, totalFileSize);
 562         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 563         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 564     }
 565
 566     if (fileCount > 0 && folderCount > 0) {
 567         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 568                         foldersText, filesText,
 569                         KGlobal::locale()->formatByteSize(totalFileSize));
 570     } else if (fileCount > 0) {
 571         summary = i18nc("@info:status files (size)", "%1 (%2)",
 572                         filesText,
 573                         KGlobal::locale()->formatByteSize(totalFileSize));
 574     } else if (folderCount > 0) {
 575         summary = foldersText;
 576     } else {
 577         summary = i18nc("@info:status", "0 Folders, 0 Files");
 578     }
 579
 580     return summary;
 581 }
 582
 583 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 584 {
 585     QList<QAction*> actions;
 586
 587     if (items.isEmpty()) {
 588         const KFileItem item = m_model->rootItem();
 589         if (!item.isNull()) {
 590             actions = m_versionControlObserver->actions(KFileItemList() << item);
 591         }
 592     } else {
 593         actions = m_versionControlObserver->actions(items);
 594     }
 595
 596     return actions;
 597 }
 598
 599 void DolphinView::setUrl(const KUrl& url)
 600 {
 601     if (url == m_url) {
 602         return;
 603     }
 604
 605     clearSelection();
 606
 607     emit urlAboutToBeChanged(url);
 608     m_url = url;
 609
 610     hideToolTip();
 611
 612     // It is important to clear the items from the model before
 613     // applying the view properties, otherwise expensive operations
 614     // might be done on the existing items although they get cleared
 615     // anyhow afterwards by loadDirectory().
 616     m_model->clear();
 617     applyViewProperties();
 618     loadDirectory(url);
 619
 620     emit urlChanged(url);
 621 }
 622
 623 void DolphinView::selectAll()
 624 {
 625     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 626     selectionManager->setSelected(0, m_model->count());
 627 }
 628
 629 void DolphinView::invertSelection()
 630 {
 631     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 632     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 633 }
 634
 635 void DolphinView::clearSelection()
 636 {
 637     m_selectedUrls.clear();
 638     m_container->controller()->selectionManager()->clearSelection();
 639 }
 640
 641 void DolphinView::renameSelectedItems()
 642 {
 643     const KFileItemList items = selectedItems();
 644     if (items.isEmpty()) {
 645         return;
 646     }
 647
 648     if (items.count() == 1 && GeneralSettings::renameInline()) {
 649         const int index = m_model->index(items.first());
 650         m_view->editRole(index, "text");
 651     } else {
 652         RenameDialog* dialog = new RenameDialog(this, items);
 653         dialog->setAttribute(Qt::WA_DeleteOnClose);
 654         dialog->show();
 655         dialog->raise();
 656         dialog->activateWindow();
 657     }
 658
 659     // Assure that the current index remains visible when KFileItemModel
 660     // will notify the view about changed items (which might result in
 661     // a changed sorting).
 662     m_assureVisibleCurrentIndex = true;
 663 }
 664
 665 void DolphinView::trashSelectedItems()
 666 {
 667     const KUrl::List list = simplifiedSelectedUrls();
 668     KonqOperations::del(this, KonqOperations::TRASH, list);
 669 }
 670
 671 void DolphinView::deleteSelectedItems()
 672 {
 673     const KUrl::List list = simplifiedSelectedUrls();
 674     const bool del = KonqOperations::askDeleteConfirmation(list,
 675                      KonqOperations::DEL,
 676                      KonqOperations::DEFAULT_CONFIRMATION,
 677                      this);
 678
 679     if (del) {
 680         KIO::Job* job = KIO::del(list);
 681         if (job->ui()) {
 682             job->ui()->setWindow(this);
 683         }
 684         connect(job, SIGNAL(result(KJob*)),
 685                 this, SLOT(slotDeleteFileFinished(KJob*)));
 686     }
 687 }
 688
 689 void DolphinView::cutSelectedItems()
 690 {
 691     QMimeData* mimeData = selectionMimeData();
 692     KonqMimeData::addIsCutSelection(mimeData, true);
 693     QApplication::clipboard()->setMimeData(mimeData);
 694 }
 695
 696 void DolphinView::copySelectedItems()
 697 {
 698     QMimeData* mimeData = selectionMimeData();
 699     QApplication::clipboard()->setMimeData(mimeData);
 700 }
 701
 702 void DolphinView::paste()
 703 {
 704     pasteToUrl(url());
 705 }
 706
 707 void DolphinView::pasteIntoFolder()
 708 {
 709     const KFileItemList items = selectedItems();
 710     if ((items.count() == 1) && items.first().isDir()) {
 711         pasteToUrl(items.first().url());
 712     }
 713 }
 714
 715 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 716 {
 717     switch (event->type()) {
 718     case QEvent::FocusIn:
 719         if (watched == m_container) {
 720             setActive(true);
 721         }
 722         break;
 723
 724     case QEvent::GraphicsSceneDragEnter:
 725         if (watched == m_view) {
 726             m_dragging = true;
 727         }
 728         break;
 729
 730     case QEvent::GraphicsSceneDragLeave:
 731         if (watched == m_view) {
 732             m_dragging = false;
 733         }
 734         break;
 735
 736     case QEvent::GraphicsSceneDrop:
 737         if (watched == m_view) {
 738             m_dragging = false;
 739         }
 740     default:
 741         break;
 742     }
 743
 744     return QWidget::eventFilter(watched, event);
 745 }
 746
 747 void DolphinView::wheelEvent(QWheelEvent* event)
 748 {
 749     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 750         const int numDegrees = event->delta() / 8;
 751         const int numSteps = numDegrees / 15;
 752
 753         setZoomLevel(zoomLevel() + numSteps);
 754         event->accept();
 755     } else {
 756         event->ignore();
 757     }
 758 }
 759
 760 void DolphinView::hideEvent(QHideEvent* event)
 761 {
 762     hideToolTip();
 763     QWidget::hideEvent(event);
 764 }
 765
 766 bool DolphinView::event(QEvent* event)
 767 {
 768     /* See Bug 297355
 769      * Dolphin leaves file preview tooltips open even when is not visible.
 770      *
 771      * Hide tool-tip when Dolphin loses focus.
 772      */
 773     if (event->type() == QEvent::WindowDeactivate) {
 774         hideToolTip();
 775     }
 776
 777     return QWidget::event(event);
 778 }
 779
 780 void DolphinView::activate()
 781 {
 782     setActive(true);
 783 }
 784
 785 void DolphinView::slotItemActivated(int index)
 786 {
 787     const KFileItem item = m_model->fileItem(index);
 788     if (!item.isNull()) {
 789         emit itemActivated(item);
 790     }
 791 }
 792
 793 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 794 {
 795     Q_ASSERT(indexes.count() >= 2);
 796
 797     if (indexes.count() > 5) {
 798         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 799         const int answer = KMessageBox::warningYesNo(this, question);
 800         if (answer != KMessageBox::Yes) {
 801             return;
 802         }
 803     }
 804
 805     KFileItemList items;
 806     items.reserve(indexes.count());
 807
 808     QSetIterator<int> it(indexes);
 809     while (it.hasNext()) {
 810         const int index = it.next();
 811         KFileItem item = m_model->fileItem(index);
 812
 813         if (item.isDir()) { // Open folders in new tabs
 814             emit tabRequested(item.url());
 815         } else {
 816             items.append(item);
 817         }
 818     }
 819
 820     if (items.count() == 1) {
 821         emit itemActivated(items.first());
 822     } else if (items.count() > 1) {
 823         emit itemsActivated(items);
 824     }
 825 }
 826
 827 void DolphinView::slotItemMiddleClicked(int index)
 828 {
 829     const KFileItem item = m_model->fileItem(index);
 830     if (item.isDir() || isTabsForFilesEnabled()) {
 831         emit tabRequested(item.url());
 832     }
 833 }
 834
 835 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 836 {
 837     const KFileItem item = m_model->fileItem(index);
 838     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 839 }
 840
 841 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 842 {
 843     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 844 }
 845
 846 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 847 {
 848     ViewProperties props(viewPropertiesUrl());
 849
 850     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 851
 852     KItemListView* view = m_container->controller()->view();
 853     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 854
 855     bool nepomukRunning = false;
 856     bool indexingEnabled = false;
 857 #ifdef HAVE_NEPOMUK
 858     nepomukRunning = (Nepomuk2::ResourceManager::instance()->initialized());
 859     if (nepomukRunning) {
 860         KConfig config("nepomukserverrc");
 861         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
 862     }
 863 #endif
 864
 865     QString groupName;
 866     QMenu* groupMenu = 0;
 867
 868     // Add all roles to the menu that can be shown or hidden by the user
 869     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 870     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 871         if (info.role == "text") {
 872             // It should not be possible to hide the "text" role
 873             continue;
 874         }
 875
 876         const QString text = m_model->roleDescription(info.role);
 877         QAction* action = 0;
 878         if (info.group.isEmpty()) {
 879             action = menu->addAction(text);
 880         } else {
 881             if (!groupMenu || info.group != groupName) {
 882                 groupName = info.group;
 883                 groupMenu = menu->addMenu(groupName);
 884             }
 885
 886             action = groupMenu->addAction(text);
 887         }
 888
 889         action->setCheckable(true);
 890         action->setChecked(visibleRolesSet.contains(info.role));
 891         action->setData(info.role);
 892
 893         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 894                             (info.requiresNepomuk && nepomukRunning) ||
 895                             (info.requiresIndexer && indexingEnabled);
 896         action->setEnabled(enable);
 897     }
 898
 899     menu->addSeparator();
 900
 901     QActionGroup* widthsGroup = new QActionGroup(menu);
 902     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 903
 904     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 905     autoAdjustWidthsAction->setCheckable(true);
 906     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 907     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 908
 909     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 910     customWidthsAction->setCheckable(true);
 911     customWidthsAction->setChecked(!autoColumnWidths);
 912     customWidthsAction->setActionGroup(widthsGroup);
 913
 914     QAction* action = menu->exec(pos.toPoint());
 915     if (menu && action) {
 916         KItemListHeader* header = view->header();
 917
 918         if (action == autoAdjustWidthsAction) {
 919             // Clear the column-widths from the viewproperties and turn on
 920             // the automatic resizing of the columns
 921             props.setHeaderColumnWidths(QList<int>());
 922             header->setAutomaticColumnResizing(true);
 923         } else if (action == customWidthsAction) {
 924             // Apply the current column-widths as custom column-widths and turn
 925             // off the automatic resizing of the columns
 926             QList<int> columnWidths;
 927             foreach (const QByteArray& role, view->visibleRoles()) {
 928                 columnWidths.append(header->columnWidth(role));
 929             }
 930             props.setHeaderColumnWidths(columnWidths);
 931             header->setAutomaticColumnResizing(false);
 932         } else {
 933             // Show or hide the selected role
 934             const QByteArray selectedRole = action->data().toByteArray();
 935
 936             QList<QByteArray> visibleRoles = view->visibleRoles();
 937             if (action->isChecked()) {
 938                 visibleRoles.append(selectedRole);
 939             } else {
 940                 visibleRoles.removeOne(selectedRole);
 941             }
 942
 943             view->setVisibleRoles(visibleRoles);
 944             props.setVisibleRoles(visibleRoles);
 945
 946             QList<int> columnWidths;
 947             if (!header->automaticColumnResizing()) {
 948                 foreach (const QByteArray& role, view->visibleRoles()) {
 949                     columnWidths.append(header->columnWidth(role));
 950                 }
 951             }
 952             props.setHeaderColumnWidths(columnWidths);
 953         }
 954     }
 955
 956     delete menu;
 957 }
 958
 959 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 960 {
 961     Q_UNUSED(previous);
 962
 963     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 964
 965     ViewProperties props(viewPropertiesUrl());
 966     QList<int> columnWidths = props.headerColumnWidths();
 967     if (columnWidths.count() != visibleRoles.count()) {
 968         columnWidths.clear();
 969         columnWidths.reserve(visibleRoles.count());
 970         const KItemListHeader* header = m_view->header();
 971         foreach (const QByteArray& role, visibleRoles) {
 972             const int width = header->columnWidth(role);
 973             columnWidths.append(width);
 974         }
 975     }
 976
 977     const int roleIndex = visibleRoles.indexOf(role);
 978     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 979     columnWidths[roleIndex] = current;
 980
 981     props.setHeaderColumnWidths(columnWidths);
 982 }
 983
 984 void DolphinView::slotItemHovered(int index)
 985 {
 986     const KFileItem item = m_model->fileItem(index);
 987
 988     if (GeneralSettings::showToolTips() && !m_dragging) {
 989         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 990         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 991         itemRect.moveTo(pos);
 992
 993         m_toolTipManager->showToolTip(item, itemRect);
 994     }
 995
 996     emit requestItemInfo(item);
 997 }
 998
 999 void DolphinView::slotItemUnhovered(int index)
1000 {
1001     Q_UNUSED(index);
1002     hideToolTip();
1003     emit requestItemInfo(KFileItem());
1004 }
1005
1006 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1007 {
1008     KUrl destUrl;
1009     KFileItem destItem = m_model->fileItem(index);
1010     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1011         // Use the URL of the view as drop target if the item is no directory
1012         // or desktop-file
1013         destItem = m_model->rootItem();
1014         destUrl = url();
1015     } else {
1016         // The item represents a directory or desktop-file
1017         destUrl = destItem.url();
1018     }
1019
1020     QDropEvent dropEvent(event->pos().toPoint(),
1021                          event->possibleActions(),
1022                          event->mimeData(),
1023                          event->buttons(),
1024                          event->modifiers());
1025
1026     QString error;
1027     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1028     if (!error.isEmpty()) {
1029         emit errorMessage(error);
1030     }
1031
1032     if (op && destUrl == url()) {
1033         // Mark the dropped urls as selected.
1034         m_clearSelectionBeforeSelectingNewItems = true;
1035         connect(op, SIGNAL(urlPasted(KUrl)), this, SLOT(slotUrlPasted(KUrl)));
1036     }
1037 }
1038
1039 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1040 {
1041     if (previous != 0) {
1042         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1043         m_versionControlObserver->setModel(0);
1044     }
1045
1046     if (current) {
1047         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1048         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1049
1050         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1051         m_versionControlObserver->setModel(fileItemModel);
1052     }
1053 }
1054
1055 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1056 {
1057     hideToolTip();
1058
1059     if (itemIndex < 0) {
1060         // Trigger the history navigation only when clicking on the viewport:
1061         // Above an item the XButtons provide a simple way to select items in
1062         // the singleClick mode.
1063         if (buttons & Qt::XButton1) {
1064             emit goBackRequested();
1065         } else if (buttons & Qt::XButton2) {
1066             emit goForwardRequested();
1067         }
1068     }
1069 }
1070
1071 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1072 {
1073     m_selectedUrls << urls;
1074 }
1075
1076 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1077 {
1078     const int currentCount = current.count();
1079     const int previousCount = previous.count();
1080     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1081                                        (currentCount >  0 && previousCount == 0);
1082
1083     // If nothing has been selected before and something got selected (or if something
1084     // was selected before and now nothing is selected) the selectionChangedSignal must
1085     // be emitted asynchronously as fast as possible to update the edit-actions.
1086     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1087     m_selectionChangedTimer->start();
1088 }
1089
1090 void DolphinView::emitSelectionChangedSignal()
1091 {
1092     m_selectionChangedTimer->stop();
1093     emit selectionChanged(selectedItems());
1094 }
1095
1096 void DolphinView::updateSortRole(const QByteArray& role)
1097 {
1098     ViewProperties props(viewPropertiesUrl());
1099     props.setSortRole(role);
1100
1101     KItemModelBase* model = m_container->controller()->model();
1102     model->setSortRole(role);
1103
1104     emit sortRoleChanged(role);
1105 }
1106
1107 void DolphinView::updateSortOrder(Qt::SortOrder order)
1108 {
1109     ViewProperties props(viewPropertiesUrl());
1110     props.setSortOrder(order);
1111
1112     m_model->setSortOrder(order);
1113
1114     emit sortOrderChanged(order);
1115 }
1116
1117 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1118 {
1119     ViewProperties props(viewPropertiesUrl());
1120     props.setSortFoldersFirst(foldersFirst);
1121
1122     m_model->setSortDirectoriesFirst(foldersFirst);
1123
1124     emit sortFoldersFirstChanged(foldersFirst);
1125 }
1126
1127 QPair<bool, QString> DolphinView::pasteInfo() const
1128 {
1129     return KonqOperations::pasteInfo(url());
1130 }
1131
1132 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1133 {
1134     m_tabsForFiles = tabsForFiles;
1135 }
1136
1137 bool DolphinView::isTabsForFilesEnabled() const
1138 {
1139     return m_tabsForFiles;
1140 }
1141
1142 bool DolphinView::itemsExpandable() const
1143 {
1144     return m_mode == DetailsView;
1145 }
1146
1147 void DolphinView::restoreState(QDataStream& stream)
1148 {
1149     // Restore the current item that had the keyboard focus
1150     stream >> m_currentItemUrl;
1151
1152     // Restore the view position
1153     stream >> m_restoredContentsPosition;
1154
1155     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1156     QSet<KUrl> urls;
1157     stream >> urls;
1158     m_model->restoreExpandedDirectories(urls);
1159 }
1160
1161 void DolphinView::saveState(QDataStream& stream)
1162 {
1163     // Save the current item that has the keyboard focus
1164     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1165     if (currentIndex != -1) {
1166         KFileItem item = m_model->fileItem(currentIndex);
1167         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1168         KUrl currentItemUrl = item.url();
1169         stream << currentItemUrl;
1170     } else {
1171         stream << KUrl();
1172     }
1173
1174     // Save view position
1175     const qreal x = m_container->horizontalScrollBar()->value();
1176     const qreal y = m_container->verticalScrollBar()->value();
1177     stream << QPoint(x, y);
1178
1179     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1180     stream << m_model->expandedDirectories();
1181 }
1182
1183 KFileItem DolphinView::rootItem() const
1184 {
1185     return m_model->rootItem();
1186 }
1187
1188 void DolphinView::setViewPropertiesContext(const QString& context)
1189 {
1190     m_viewPropertiesContext = context;
1191 }
1192
1193 QString DolphinView::viewPropertiesContext() const
1194 {
1195     return m_viewPropertiesContext;
1196 }
1197
1198 void DolphinView::observeCreatedItem(const KUrl& url)
1199 {
1200     if (m_active) {
1201         clearSelection();
1202         markUrlAsCurrent(url);
1203         markUrlsAsSelected(QList<KUrl>() << url);
1204     }
1205 }
1206
1207 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1208 {
1209     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1210         emit redirection(oldUrl, newUrl);
1211         m_url = newUrl; // #186947
1212     }
1213 }
1214
1215 void DolphinView::updateViewState()
1216 {
1217     if (m_currentItemUrl != KUrl()) {
1218         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1219         const int currentIndex = m_model->index(m_currentItemUrl);
1220         if (currentIndex != -1) {
1221             selectionManager->setCurrentItem(currentIndex);
1222
1223             // scroll to current item and reset the state
1224             if (m_scrollToCurrentItem) {
1225                 m_view->scrollToItem(currentIndex);
1226                 m_scrollToCurrentItem = false;
1227             }
1228         } else {
1229             selectionManager->setCurrentItem(0);
1230         }
1231         m_currentItemUrl = KUrl();
1232     }
1233
1234     if (!m_restoredContentsPosition.isNull()) {
1235         const int x = m_restoredContentsPosition.x();
1236         const int y = m_restoredContentsPosition.y();
1237         m_restoredContentsPosition = QPoint();
1238
1239         m_container->horizontalScrollBar()->setValue(x);
1240         m_container->verticalScrollBar()->setValue(y);
1241     }
1242
1243     if (!m_selectedUrls.isEmpty()) {
1244         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1245
1246         if (m_clearSelectionBeforeSelectingNewItems) {
1247             selectionManager->clearSelection();
1248             m_clearSelectionBeforeSelectingNewItems = false;
1249         }
1250
1251         QSet<int> selectedItems = selectionManager->selectedItems();
1252
1253         QList<KUrl>::iterator it = m_selectedUrls.begin();
1254         while (it != m_selectedUrls.end()) {
1255             const int index = m_model->index(*it);
1256             if (index >= 0) {
1257                 selectedItems.insert(index);
1258                 it = m_selectedUrls.erase(it);
1259             } else {
1260                  ++it;
1261             }
1262         }
1263
1264         selectionManager->setSelectedItems(selectedItems);
1265     }
1266 }
1267
1268 void DolphinView::hideToolTip()
1269 {
1270     if (GeneralSettings::showToolTips()) {
1271         m_toolTipManager->hideToolTip();
1272     }
1273 }
1274
1275 void DolphinView::calculateItemCount(int& fileCount,
1276                                      int& folderCount,
1277                                      KIO::filesize_t& totalFileSize) const
1278 {
1279     const int itemCount = m_model->count();
1280     for (int i = 0; i < itemCount; ++i) {
1281         const KFileItem item = m_model->fileItem(i);
1282         if (item.isDir()) {
1283             ++folderCount;
1284         } else {
1285             ++fileCount;
1286             totalFileSize += item.size();
1287         }
1288     }
1289 }
1290
1291 void DolphinView::showHoverInformation(const KFileItem& item)
1292 {
1293     emit requestItemInfo(item);
1294 }
1295
1296 void DolphinView::clearHoverInformation()
1297 {
1298     emit requestItemInfo(KFileItem());
1299 }
1300
1301 void DolphinView::slotDeleteFileFinished(KJob* job)
1302 {
1303     if (job->error() == 0) {
1304         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1305     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1306         emit errorMessage(job->errorString());
1307     }
1308 }
1309
1310 void DolphinView::slotDirectoryLoadingStarted()
1311 {
1312     // Disable the writestate temporary until it can be determined in a fast way
1313     // in DolphinView::slotLoadingCompleted()
1314     if (m_isFolderWritable) {
1315         m_isFolderWritable = false;
1316         emit writeStateChanged(m_isFolderWritable);
1317     }
1318
1319     emit directoryLoadingStarted();
1320 }
1321
1322 void DolphinView::slotDirectoryLoadingCompleted()
1323 {
1324     // Update the view-state. This has to be done asynchronously
1325     // because the view might not be in its final state yet.
1326     QTimer::singleShot(0, this, SLOT(updateViewState()));
1327
1328     emit directoryLoadingCompleted();
1329
1330     updateWritableState();
1331 }
1332
1333 void DolphinView::slotItemsChanged()
1334 {
1335     m_assureVisibleCurrentIndex = false;
1336 }
1337
1338 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1339 {
1340     Q_UNUSED(previous);
1341     Q_ASSERT(m_model->sortOrder() == current);
1342
1343     ViewProperties props(viewPropertiesUrl());
1344     props.setSortOrder(current);
1345
1346     emit sortOrderChanged(current);
1347 }
1348
1349 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1350 {
1351     Q_UNUSED(previous);
1352     Q_ASSERT(m_model->sortRole() == current);
1353
1354     ViewProperties props(viewPropertiesUrl());
1355     props.setSortRole(current);
1356
1357     emit sortRoleChanged(current);
1358 }
1359
1360 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1361                                                   const QList<QByteArray>& previous)
1362 {
1363     Q_UNUSED(previous);
1364     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1365
1366     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1367
1368     m_visibleRoles = current;
1369
1370     ViewProperties props(viewPropertiesUrl());
1371     props.setVisibleRoles(m_visibleRoles);
1372
1373     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1374 }
1375
1376 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1377 {
1378     if (index < 0 || index >= m_model->count()) {
1379         return;
1380     }
1381
1382     if (role == "text") {
1383         const KFileItem oldItem = m_model->fileItem(index);
1384         const QString newName = value.toString();
1385         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1386             const KUrl oldUrl = oldItem.url();
1387
1388             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1389             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1390             if (!newNameExistsAlready) {
1391                 // Only change the data in the model if no item with the new name
1392                 // is in the model yet. If there is an item with the new name
1393                 // already, calling KonqOperations::rename() will open a dialog
1394                 // asking for a new name, and KFileItemModel will update the
1395                 // data when the dir lister signals that the file name has changed.
1396                 QHash<QByteArray, QVariant> data;
1397                 data.insert(role, value);
1398                 m_model->setData(index, data);
1399             }
1400
1401             KonqOperations::rename(this, oldUrl, newName);
1402         }
1403     }
1404 }
1405
1406 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1407 {
1408     if (!url.isValid()) {
1409         const QString location(url.pathOrUrl());
1410         if (location.isEmpty()) {
1411             emit errorMessage(i18nc("@info:status", "The location is empty."));
1412         } else {
1413             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1414         }
1415         return;
1416     }
1417
1418     if (reload) {
1419         m_model->refreshDirectory(url);
1420     } else {
1421         m_model->loadDirectory(url);
1422     }
1423 }
1424
1425 void DolphinView::applyViewProperties()
1426 {
1427     m_view->beginTransaction();
1428
1429     const ViewProperties props(viewPropertiesUrl());
1430
1431     const Mode mode = props.viewMode();
1432     if (m_mode != mode) {
1433         const Mode previousMode = m_mode;
1434         m_mode = mode;
1435
1436         // Changing the mode might result in changing
1437         // the zoom level. Remember the old zoom level so
1438         // that zoomLevelChanged() can get emitted.
1439         const int oldZoomLevel = m_view->zoomLevel();
1440         applyModeToView();
1441
1442         emit modeChanged(m_mode, previousMode);
1443
1444         if (m_view->zoomLevel() != oldZoomLevel) {
1445             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1446         }
1447     }
1448
1449     const bool hiddenFilesShown = props.hiddenFilesShown();
1450     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1451         m_model->setShowHiddenFiles(hiddenFilesShown);
1452         emit hiddenFilesShownChanged(hiddenFilesShown);
1453     }
1454
1455     const bool groupedSorting = props.groupedSorting();
1456     if (groupedSorting != m_model->groupedSorting()) {
1457         m_model->setGroupedSorting(groupedSorting);
1458         emit groupedSortingChanged(groupedSorting);
1459     }
1460
1461     const QByteArray sortRole = props.sortRole();
1462     if (sortRole != m_model->sortRole()) {
1463         m_model->setSortRole(sortRole);
1464         emit sortRoleChanged(sortRole);
1465     }
1466
1467     const Qt::SortOrder sortOrder = props.sortOrder();
1468     if (sortOrder != m_model->sortOrder()) {
1469         m_model->setSortOrder(sortOrder);
1470         emit sortOrderChanged(sortOrder);
1471     }
1472
1473     const bool sortFoldersFirst = props.sortFoldersFirst();
1474     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1475         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1476         emit sortFoldersFirstChanged(sortFoldersFirst);
1477     }
1478
1479     const QList<QByteArray> visibleRoles = props.visibleRoles();
1480     if (visibleRoles != m_visibleRoles) {
1481         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1482         m_visibleRoles = visibleRoles;
1483         m_view->setVisibleRoles(visibleRoles);
1484         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1485     }
1486
1487     const bool previewsShown = props.previewsShown();
1488     if (previewsShown != m_view->previewsShown()) {
1489         const int oldZoomLevel = zoomLevel();
1490
1491         m_view->setPreviewsShown(previewsShown);
1492         emit previewsShownChanged(previewsShown);
1493
1494         // Changing the preview-state might result in a changed zoom-level
1495         if (oldZoomLevel != zoomLevel()) {
1496             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1497         }
1498     }
1499
1500     KItemListView* itemListView = m_container->controller()->view();
1501     if (itemListView->isHeaderVisible()) {
1502         KItemListHeader* header = itemListView->header();
1503         const QList<int> headerColumnWidths = props.headerColumnWidths();
1504         const int rolesCount = m_visibleRoles.count();
1505         if (headerColumnWidths.count() == rolesCount) {
1506             header->setAutomaticColumnResizing(false);
1507
1508             QHash<QByteArray, qreal> columnWidths;
1509             for (int i = 0; i < rolesCount; ++i) {
1510                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1511             }
1512             header->setColumnWidths(columnWidths);
1513         } else {
1514             header->setAutomaticColumnResizing(true);
1515         }
1516     }
1517
1518     m_view->endTransaction();
1519 }
1520
1521 void DolphinView::applyModeToView()
1522 {
1523     switch (m_mode) {
1524     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1525     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1526     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1527     default: Q_ASSERT(false); break;
1528     }
1529 }
1530
1531 void DolphinView::pasteToUrl(const KUrl& url)
1532 {
1533     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1534     if (op) {
1535         m_clearSelectionBeforeSelectingNewItems = true;
1536         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1537     }
1538 }
1539
1540 KUrl::List DolphinView::simplifiedSelectedUrls() const
1541 {
1542     KUrl::List urls;
1543
1544     const KFileItemList items = selectedItems();
1545     foreach (const KFileItem& item, items) {
1546         urls.append(item.url());
1547     }
1548
1549     if (itemsExpandable()) {
1550         // TODO: Check if we still need KDirModel for this in KDE 5.0
1551         urls = KDirModel::simplifiedUrlList(urls);
1552     }
1553
1554     return urls;
1555 }
1556
1557 QMimeData* DolphinView::selectionMimeData() const
1558 {
1559     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1560     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1561
1562     return m_model->createMimeData(selectedIndexes);
1563 }
1564
1565 void DolphinView::updateWritableState()
1566 {
1567     const bool wasFolderWritable = m_isFolderWritable;
1568     m_isFolderWritable = true;
1569
1570     const KFileItem item = m_model->rootItem();
1571     if (!item.isNull()) {
1572         KFileItemListProperties capabilities(KFileItemList() << item);
1573         m_isFolderWritable = capabilities.supportsWriting();
1574     }
1575     if (m_isFolderWritable != wasFolderWritable) {
1576         emit writeStateChanged(m_isFolderWritable);
1577     }
1578 }
1579
1580 KUrl DolphinView::viewPropertiesUrl() const
1581 {
1582     if (m_viewPropertiesContext.isEmpty()) {
1583         return m_url;
1584     }
1585
1586     KUrl url;
1587     url.setProtocol(m_url.protocol());
1588     url.setPath(m_viewPropertiesContext);
1589     return url;
1590 }
1591
1592 #include "dolphinview.moc"