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(roleEditingCanceled(int,QByteArray,QVariant)),
 178             this, SLOT(slotRoleEditingCanceled(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     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 613                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 614
 615     // It is important to clear the items from the model before
 616     // applying the view properties, otherwise expensive operations
 617     // might be done on the existing items although they get cleared
 618     // anyhow afterwards by loadDirectory().
 619     m_model->clear();
 620     applyViewProperties();
 621     loadDirectory(url);
 622
 623     emit urlChanged(url);
 624 }
 625
 626 void DolphinView::selectAll()
 627 {
 628     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 629     selectionManager->setSelected(0, m_model->count());
 630 }
 631
 632 void DolphinView::invertSelection()
 633 {
 634     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 635     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 636 }
 637
 638 void DolphinView::clearSelection()
 639 {
 640     m_selectedUrls.clear();
 641     m_container->controller()->selectionManager()->clearSelection();
 642 }
 643
 644 void DolphinView::renameSelectedItems()
 645 {
 646     const KFileItemList items = selectedItems();
 647     if (items.isEmpty()) {
 648         return;
 649     }
 650
 651     if (items.count() == 1 && GeneralSettings::renameInline()) {
 652         const int index = m_model->index(items.first());
 653         m_view->editRole(index, "text");
 654
 655         connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 656                 this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 657     } else {
 658         RenameDialog* dialog = new RenameDialog(this, items);
 659         dialog->setAttribute(Qt::WA_DeleteOnClose);
 660         dialog->show();
 661         dialog->raise();
 662         dialog->activateWindow();
 663     }
 664
 665     // Assure that the current index remains visible when KFileItemModel
 666     // will notify the view about changed items (which might result in
 667     // a changed sorting).
 668     m_assureVisibleCurrentIndex = true;
 669 }
 670
 671 void DolphinView::trashSelectedItems()
 672 {
 673     const KUrl::List list = simplifiedSelectedUrls();
 674     KonqOperations::del(this, KonqOperations::TRASH, list);
 675 }
 676
 677 void DolphinView::deleteSelectedItems()
 678 {
 679     const KUrl::List list = simplifiedSelectedUrls();
 680     const bool del = KonqOperations::askDeleteConfirmation(list,
 681                      KonqOperations::DEL,
 682                      KonqOperations::DEFAULT_CONFIRMATION,
 683                      this);
 684
 685     if (del) {
 686         KIO::Job* job = KIO::del(list);
 687         if (job->ui()) {
 688             job->ui()->setWindow(this);
 689         }
 690         connect(job, SIGNAL(result(KJob*)),
 691                 this, SLOT(slotDeleteFileFinished(KJob*)));
 692     }
 693 }
 694
 695 void DolphinView::cutSelectedItems()
 696 {
 697     QMimeData* mimeData = selectionMimeData();
 698     KonqMimeData::addIsCutSelection(mimeData, true);
 699     QApplication::clipboard()->setMimeData(mimeData);
 700 }
 701
 702 void DolphinView::copySelectedItems()
 703 {
 704     QMimeData* mimeData = selectionMimeData();
 705     QApplication::clipboard()->setMimeData(mimeData);
 706 }
 707
 708 void DolphinView::paste()
 709 {
 710     pasteToUrl(url());
 711 }
 712
 713 void DolphinView::pasteIntoFolder()
 714 {
 715     const KFileItemList items = selectedItems();
 716     if ((items.count() == 1) && items.first().isDir()) {
 717         pasteToUrl(items.first().url());
 718     }
 719 }
 720
 721 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 722 {
 723     switch (event->type()) {
 724     case QEvent::FocusIn:
 725         if (watched == m_container) {
 726             setActive(true);
 727         }
 728         break;
 729
 730     case QEvent::GraphicsSceneDragEnter:
 731         if (watched == m_view) {
 732             m_dragging = true;
 733         }
 734         break;
 735
 736     case QEvent::GraphicsSceneDragLeave:
 737         if (watched == m_view) {
 738             m_dragging = false;
 739         }
 740         break;
 741
 742     case QEvent::GraphicsSceneDrop:
 743         if (watched == m_view) {
 744             m_dragging = false;
 745         }
 746     default:
 747         break;
 748     }
 749
 750     return QWidget::eventFilter(watched, event);
 751 }
 752
 753 void DolphinView::wheelEvent(QWheelEvent* event)
 754 {
 755     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 756         const int numDegrees = event->delta() / 8;
 757         const int numSteps = numDegrees / 15;
 758
 759         setZoomLevel(zoomLevel() + numSteps);
 760         event->accept();
 761     } else {
 762         event->ignore();
 763     }
 764 }
 765
 766 void DolphinView::hideEvent(QHideEvent* event)
 767 {
 768     hideToolTip();
 769     QWidget::hideEvent(event);
 770 }
 771
 772 bool DolphinView::event(QEvent* event)
 773 {
 774     /* See Bug 297355
 775      * Dolphin leaves file preview tooltips open even when is not visible.
 776      *
 777      * Hide tool-tip when Dolphin loses focus.
 778      */
 779     if (event->type() == QEvent::WindowDeactivate) {
 780         hideToolTip();
 781     }
 782
 783     return QWidget::event(event);
 784 }
 785
 786 void DolphinView::activate()
 787 {
 788     setActive(true);
 789 }
 790
 791 void DolphinView::slotItemActivated(int index)
 792 {
 793     const KFileItem item = m_model->fileItem(index);
 794     if (!item.isNull()) {
 795         emit itemActivated(item);
 796     }
 797 }
 798
 799 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 800 {
 801     Q_ASSERT(indexes.count() >= 2);
 802
 803     if (indexes.count() > 5) {
 804         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 805         const int answer = KMessageBox::warningYesNo(this, question);
 806         if (answer != KMessageBox::Yes) {
 807             return;
 808         }
 809     }
 810
 811     KFileItemList items;
 812     items.reserve(indexes.count());
 813
 814     QSetIterator<int> it(indexes);
 815     while (it.hasNext()) {
 816         const int index = it.next();
 817         KFileItem item = m_model->fileItem(index);
 818
 819         if (item.isDir()) { // Open folders in new tabs
 820             emit tabRequested(item.url());
 821         } else {
 822             items.append(item);
 823         }
 824     }
 825
 826     if (items.count() == 1) {
 827         emit itemActivated(items.first());
 828     } else if (items.count() > 1) {
 829         emit itemsActivated(items);
 830     }
 831 }
 832
 833 void DolphinView::slotItemMiddleClicked(int index)
 834 {
 835     const KFileItem item = m_model->fileItem(index);
 836     if (item.isDir() || isTabsForFilesEnabled()) {
 837         emit tabRequested(item.url());
 838     }
 839 }
 840
 841 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 842 {
 843     const KFileItem item = m_model->fileItem(index);
 844     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 845 }
 846
 847 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 848 {
 849     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 850 }
 851
 852 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 853 {
 854     ViewProperties props(viewPropertiesUrl());
 855
 856     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 857
 858     KItemListView* view = m_container->controller()->view();
 859     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 860
 861     bool nepomukRunning = false;
 862     bool indexingEnabled = false;
 863 #ifdef HAVE_NEPOMUK
 864     nepomukRunning = (Nepomuk2::ResourceManager::instance()->initialized());
 865     if (nepomukRunning) {
 866         KConfig config("nepomukserverrc");
 867         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
 868     }
 869 #endif
 870
 871     QString groupName;
 872     QMenu* groupMenu = 0;
 873
 874     // Add all roles to the menu that can be shown or hidden by the user
 875     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 876     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 877         if (info.role == "text") {
 878             // It should not be possible to hide the "text" role
 879             continue;
 880         }
 881
 882         const QString text = m_model->roleDescription(info.role);
 883         QAction* action = 0;
 884         if (info.group.isEmpty()) {
 885             action = menu->addAction(text);
 886         } else {
 887             if (!groupMenu || info.group != groupName) {
 888                 groupName = info.group;
 889                 groupMenu = menu->addMenu(groupName);
 890             }
 891
 892             action = groupMenu->addAction(text);
 893         }
 894
 895         action->setCheckable(true);
 896         action->setChecked(visibleRolesSet.contains(info.role));
 897         action->setData(info.role);
 898
 899         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 900                             (info.requiresNepomuk && nepomukRunning) ||
 901                             (info.requiresIndexer && indexingEnabled);
 902         action->setEnabled(enable);
 903     }
 904
 905     menu->addSeparator();
 906
 907     QActionGroup* widthsGroup = new QActionGroup(menu);
 908     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 909
 910     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 911     autoAdjustWidthsAction->setCheckable(true);
 912     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 913     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 914
 915     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 916     customWidthsAction->setCheckable(true);
 917     customWidthsAction->setChecked(!autoColumnWidths);
 918     customWidthsAction->setActionGroup(widthsGroup);
 919
 920     QAction* action = menu->exec(pos.toPoint());
 921     if (menu && action) {
 922         KItemListHeader* header = view->header();
 923
 924         if (action == autoAdjustWidthsAction) {
 925             // Clear the column-widths from the viewproperties and turn on
 926             // the automatic resizing of the columns
 927             props.setHeaderColumnWidths(QList<int>());
 928             header->setAutomaticColumnResizing(true);
 929         } else if (action == customWidthsAction) {
 930             // Apply the current column-widths as custom column-widths and turn
 931             // off the automatic resizing of the columns
 932             QList<int> columnWidths;
 933             foreach (const QByteArray& role, view->visibleRoles()) {
 934                 columnWidths.append(header->columnWidth(role));
 935             }
 936             props.setHeaderColumnWidths(columnWidths);
 937             header->setAutomaticColumnResizing(false);
 938         } else {
 939             // Show or hide the selected role
 940             const QByteArray selectedRole = action->data().toByteArray();
 941
 942             QList<QByteArray> visibleRoles = view->visibleRoles();
 943             if (action->isChecked()) {
 944                 visibleRoles.append(selectedRole);
 945             } else {
 946                 visibleRoles.removeOne(selectedRole);
 947             }
 948
 949             view->setVisibleRoles(visibleRoles);
 950             props.setVisibleRoles(visibleRoles);
 951
 952             QList<int> columnWidths;
 953             if (!header->automaticColumnResizing()) {
 954                 foreach (const QByteArray& role, view->visibleRoles()) {
 955                     columnWidths.append(header->columnWidth(role));
 956                 }
 957             }
 958             props.setHeaderColumnWidths(columnWidths);
 959         }
 960     }
 961
 962     delete menu;
 963 }
 964
 965 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 966 {
 967     Q_UNUSED(previous);
 968
 969     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 970
 971     ViewProperties props(viewPropertiesUrl());
 972     QList<int> columnWidths = props.headerColumnWidths();
 973     if (columnWidths.count() != visibleRoles.count()) {
 974         columnWidths.clear();
 975         columnWidths.reserve(visibleRoles.count());
 976         const KItemListHeader* header = m_view->header();
 977         foreach (const QByteArray& role, visibleRoles) {
 978             const int width = header->columnWidth(role);
 979             columnWidths.append(width);
 980         }
 981     }
 982
 983     const int roleIndex = visibleRoles.indexOf(role);
 984     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 985     columnWidths[roleIndex] = current;
 986
 987     props.setHeaderColumnWidths(columnWidths);
 988 }
 989
 990 void DolphinView::slotItemHovered(int index)
 991 {
 992     const KFileItem item = m_model->fileItem(index);
 993
 994     if (GeneralSettings::showToolTips() && !m_dragging) {
 995         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 996         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 997         itemRect.moveTo(pos);
 998
 999         m_toolTipManager->showToolTip(item, itemRect);
1000     }
1001
1002     emit requestItemInfo(item);
1003 }
1004
1005 void DolphinView::slotItemUnhovered(int index)
1006 {
1007     Q_UNUSED(index);
1008     hideToolTip();
1009     emit requestItemInfo(KFileItem());
1010 }
1011
1012 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1013 {
1014     KUrl destUrl;
1015     KFileItem destItem = m_model->fileItem(index);
1016     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1017         // Use the URL of the view as drop target if the item is no directory
1018         // or desktop-file
1019         destItem = m_model->rootItem();
1020         destUrl = url();
1021     } else {
1022         // The item represents a directory or desktop-file
1023         destUrl = destItem.url();
1024     }
1025
1026     QDropEvent dropEvent(event->pos().toPoint(),
1027                          event->possibleActions(),
1028                          event->mimeData(),
1029                          event->buttons(),
1030                          event->modifiers());
1031
1032     const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
1033     if (!error.isEmpty()) {
1034         emit infoMessage(error);
1035     }
1036
1037     if (destUrl == url()) {
1038         // Mark the dropped urls as selected.
1039         markPastedUrlsAsSelected(event->mimeData());
1040     }
1041 }
1042
1043 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1044 {
1045     if (previous != 0) {
1046         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1047         m_versionControlObserver->setModel(0);
1048     }
1049
1050     if (current) {
1051         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1052         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1053
1054         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1055         m_versionControlObserver->setModel(fileItemModel);
1056     }
1057 }
1058
1059 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1060 {
1061     hideToolTip();
1062
1063     if (itemIndex < 0) {
1064         // Trigger the history navigation only when clicking on the viewport:
1065         // Above an item the XButtons provide a simple way to select items in
1066         // the singleClick mode.
1067         if (buttons & Qt::XButton1) {
1068             emit goBackRequested();
1069         } else if (buttons & Qt::XButton2) {
1070             emit goForwardRequested();
1071         }
1072     }
1073 }
1074
1075 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1076 {
1077     const int currentCount = current.count();
1078     const int previousCount = previous.count();
1079     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1080                                        (currentCount >  0 && previousCount == 0);
1081
1082     // If nothing has been selected before and something got selected (or if something
1083     // was selected before and now nothing is selected) the selectionChangedSignal must
1084     // be emitted asynchronously as fast as possible to update the edit-actions.
1085     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1086     m_selectionChangedTimer->start();
1087 }
1088
1089 void DolphinView::emitSelectionChangedSignal()
1090 {
1091     m_selectionChangedTimer->stop();
1092     emit selectionChanged(selectedItems());
1093 }
1094
1095 void DolphinView::updateSortRole(const QByteArray& role)
1096 {
1097     ViewProperties props(viewPropertiesUrl());
1098     props.setSortRole(role);
1099
1100     KItemModelBase* model = m_container->controller()->model();
1101     model->setSortRole(role);
1102
1103     emit sortRoleChanged(role);
1104 }
1105
1106 void DolphinView::updateSortOrder(Qt::SortOrder order)
1107 {
1108     ViewProperties props(viewPropertiesUrl());
1109     props.setSortOrder(order);
1110
1111     m_model->setSortOrder(order);
1112
1113     emit sortOrderChanged(order);
1114 }
1115
1116 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1117 {
1118     ViewProperties props(viewPropertiesUrl());
1119     props.setSortFoldersFirst(foldersFirst);
1120
1121     m_model->setSortDirectoriesFirst(foldersFirst);
1122
1123     emit sortFoldersFirstChanged(foldersFirst);
1124 }
1125
1126 QPair<bool, QString> DolphinView::pasteInfo() const
1127 {
1128     return KonqOperations::pasteInfo(url());
1129 }
1130
1131 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1132 {
1133     m_tabsForFiles = tabsForFiles;
1134 }
1135
1136 bool DolphinView::isTabsForFilesEnabled() const
1137 {
1138     return m_tabsForFiles;
1139 }
1140
1141 bool DolphinView::itemsExpandable() const
1142 {
1143     return m_mode == DetailsView;
1144 }
1145
1146 void DolphinView::restoreState(QDataStream& stream)
1147 {
1148     // Restore the current item that had the keyboard focus
1149     stream >> m_currentItemUrl;
1150
1151     // Restore the view position
1152     stream >> m_restoredContentsPosition;
1153
1154     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1155     QSet<KUrl> urls;
1156     stream >> urls;
1157     m_model->restoreExpandedDirectories(urls);
1158 }
1159
1160 void DolphinView::saveState(QDataStream& stream)
1161 {
1162     // Save the current item that has the keyboard focus
1163     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1164     if (currentIndex != -1) {
1165         KFileItem item = m_model->fileItem(currentIndex);
1166         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1167         KUrl currentItemUrl = item.url();
1168         stream << currentItemUrl;
1169     } else {
1170         stream << KUrl();
1171     }
1172
1173     // Save view position
1174     const qreal x = m_container->horizontalScrollBar()->value();
1175     const qreal y = m_container->verticalScrollBar()->value();
1176     stream << QPoint(x, y);
1177
1178     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1179     stream << m_model->expandedDirectories();
1180 }
1181
1182 KFileItem DolphinView::rootItem() const
1183 {
1184     return m_model->rootItem();
1185 }
1186
1187 void DolphinView::setViewPropertiesContext(const QString& context)
1188 {
1189     m_viewPropertiesContext = context;
1190 }
1191
1192 QString DolphinView::viewPropertiesContext() const
1193 {
1194     return m_viewPropertiesContext;
1195 }
1196
1197 void DolphinView::observeCreatedItem(const KUrl& url)
1198 {
1199     if (m_active) {
1200         clearSelection();
1201         markUrlAsCurrent(url);
1202         markUrlsAsSelected(QList<KUrl>() << url);
1203     }
1204 }
1205
1206 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1207 {
1208     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1209         emit redirection(oldUrl, newUrl);
1210         m_url = newUrl; // #186947
1211     }
1212 }
1213
1214 void DolphinView::updateViewState()
1215 {
1216     if (m_currentItemUrl != KUrl()) {
1217         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1218         const int currentIndex = m_model->index(m_currentItemUrl);
1219         if (currentIndex != -1) {
1220             selectionManager->setCurrentItem(currentIndex);
1221
1222             // scroll to current item and reset the state
1223             if (m_scrollToCurrentItem) {
1224                 m_view->scrollToItem(currentIndex);
1225                 m_scrollToCurrentItem = false;
1226             }
1227         } else {
1228             selectionManager->setCurrentItem(0);
1229         }
1230         m_currentItemUrl = KUrl();
1231     }
1232
1233     if (!m_restoredContentsPosition.isNull()) {
1234         const int x = m_restoredContentsPosition.x();
1235         const int y = m_restoredContentsPosition.y();
1236         m_restoredContentsPosition = QPoint();
1237
1238         m_container->horizontalScrollBar()->setValue(x);
1239         m_container->verticalScrollBar()->setValue(y);
1240     }
1241
1242     if (!m_selectedUrls.isEmpty()) {
1243         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1244
1245         if (m_clearSelectionBeforeSelectingNewItems) {
1246             selectionManager->clearSelection();
1247             m_clearSelectionBeforeSelectingNewItems = false;
1248         }
1249
1250         QSet<int> selectedItems = selectionManager->selectedItems();
1251
1252         QList<KUrl>::iterator it = m_selectedUrls.begin();
1253         while (it != m_selectedUrls.end()) {
1254             const int index = m_model->index(*it);
1255             if (index >= 0) {
1256                 selectedItems.insert(index);
1257                 it = m_selectedUrls.erase(it);
1258             } else {
1259                  ++it;
1260             }
1261         }
1262
1263         selectionManager->setSelectedItems(selectedItems);
1264     }
1265 }
1266
1267 void DolphinView::hideToolTip()
1268 {
1269     if (GeneralSettings::showToolTips()) {
1270         m_toolTipManager->hideToolTip();
1271     }
1272 }
1273
1274 void DolphinView::calculateItemCount(int& fileCount,
1275                                      int& folderCount,
1276                                      KIO::filesize_t& totalFileSize) const
1277 {
1278     const int itemCount = m_model->count();
1279     for (int i = 0; i < itemCount; ++i) {
1280         const KFileItem item = m_model->fileItem(i);
1281         if (item.isDir()) {
1282             ++folderCount;
1283         } else {
1284             ++fileCount;
1285             totalFileSize += item.size();
1286         }
1287     }
1288 }
1289
1290 void DolphinView::showHoverInformation(const KFileItem& item)
1291 {
1292     emit requestItemInfo(item);
1293 }
1294
1295 void DolphinView::clearHoverInformation()
1296 {
1297     emit requestItemInfo(KFileItem());
1298 }
1299
1300 void DolphinView::slotDeleteFileFinished(KJob* job)
1301 {
1302     if (job->error() == 0) {
1303         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1304     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1305         emit errorMessage(job->errorString());
1306     }
1307 }
1308
1309 void DolphinView::slotDirectoryLoadingStarted()
1310 {
1311     // Disable the writestate temporary until it can be determined in a fast way
1312     // in DolphinView::slotLoadingCompleted()
1313     if (m_isFolderWritable) {
1314         m_isFolderWritable = false;
1315         emit writeStateChanged(m_isFolderWritable);
1316     }
1317
1318     emit directoryLoadingStarted();
1319 }
1320
1321 void DolphinView::slotDirectoryLoadingCompleted()
1322 {
1323     // Update the view-state. This has to be done asynchronously
1324     // because the view might not be in its final state yet.
1325     QTimer::singleShot(0, this, SLOT(updateViewState()));
1326
1327     emit directoryLoadingCompleted();
1328
1329     updateWritableState();
1330 }
1331
1332 void DolphinView::slotItemsChanged()
1333 {
1334     m_assureVisibleCurrentIndex = false;
1335 }
1336
1337 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1338 {
1339     Q_UNUSED(previous);
1340     Q_ASSERT(m_model->sortOrder() == current);
1341
1342     ViewProperties props(viewPropertiesUrl());
1343     props.setSortOrder(current);
1344
1345     emit sortOrderChanged(current);
1346 }
1347
1348 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1349 {
1350     Q_UNUSED(previous);
1351     Q_ASSERT(m_model->sortRole() == current);
1352
1353     ViewProperties props(viewPropertiesUrl());
1354     props.setSortRole(current);
1355
1356     emit sortRoleChanged(current);
1357 }
1358
1359 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1360                                                   const QList<QByteArray>& previous)
1361 {
1362     Q_UNUSED(previous);
1363     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1364
1365     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1366
1367     m_visibleRoles = current;
1368
1369     ViewProperties props(viewPropertiesUrl());
1370     props.setVisibleRoles(m_visibleRoles);
1371
1372     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1373 }
1374
1375 void DolphinView::slotRoleEditingCanceled(int index, const QByteArray& role, const QVariant& value)
1376 {
1377     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1378                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1379 }
1380
1381 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1382 {
1383     disconnect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1384                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1385
1386     if (index < 0 || index >= m_model->count()) {
1387         return;
1388     }
1389
1390     if (role == "text") {
1391         const KFileItem oldItem = m_model->fileItem(index);
1392         const QString newName = value.toString();
1393         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1394             const KUrl oldUrl = oldItem.url();
1395
1396             const KUrl newUrl(url().path(KUrl::AddTrailingSlash) + newName);
1397             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1398             if (!newNameExistsAlready) {
1399                 // Only change the data in the model if no item with the new name
1400                 // is in the model yet. If there is an item with the new name
1401                 // already, calling KonqOperations::rename() will open a dialog
1402                 // asking for a new name, and KFileItemModel will update the
1403                 // data when the dir lister signals that the file name has changed.
1404                 QHash<QByteArray, QVariant> data;
1405                 data.insert(role, value);
1406                 m_model->setData(index, data);
1407             }
1408
1409             KonqOperations::rename(this, oldUrl, newName);
1410         }
1411     }
1412 }
1413
1414 void DolphinView::loadDirectory(const KUrl& url, bool reload)
1415 {
1416     if (!url.isValid()) {
1417         const QString location(url.pathOrUrl());
1418         if (location.isEmpty()) {
1419             emit errorMessage(i18nc("@info:status", "The location is empty."));
1420         } else {
1421             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1422         }
1423         return;
1424     }
1425
1426     if (reload) {
1427         m_model->refreshDirectory(url);
1428     } else {
1429         m_model->loadDirectory(url);
1430     }
1431 }
1432
1433 void DolphinView::applyViewProperties()
1434 {
1435     m_view->beginTransaction();
1436
1437     const ViewProperties props(viewPropertiesUrl());
1438
1439     const Mode mode = props.viewMode();
1440     if (m_mode != mode) {
1441         const Mode previousMode = m_mode;
1442         m_mode = mode;
1443
1444         // Changing the mode might result in changing
1445         // the zoom level. Remember the old zoom level so
1446         // that zoomLevelChanged() can get emitted.
1447         const int oldZoomLevel = m_view->zoomLevel();
1448         applyModeToView();
1449
1450         emit modeChanged(m_mode, previousMode);
1451
1452         if (m_view->zoomLevel() != oldZoomLevel) {
1453             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1454         }
1455     }
1456
1457     const bool hiddenFilesShown = props.hiddenFilesShown();
1458     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1459         m_model->setShowHiddenFiles(hiddenFilesShown);
1460         emit hiddenFilesShownChanged(hiddenFilesShown);
1461     }
1462
1463     const bool groupedSorting = props.groupedSorting();
1464     if (groupedSorting != m_model->groupedSorting()) {
1465         m_model->setGroupedSorting(groupedSorting);
1466         emit groupedSortingChanged(groupedSorting);
1467     }
1468
1469     const QByteArray sortRole = props.sortRole();
1470     if (sortRole != m_model->sortRole()) {
1471         m_model->setSortRole(sortRole);
1472         emit sortRoleChanged(sortRole);
1473     }
1474
1475     const Qt::SortOrder sortOrder = props.sortOrder();
1476     if (sortOrder != m_model->sortOrder()) {
1477         m_model->setSortOrder(sortOrder);
1478         emit sortOrderChanged(sortOrder);
1479     }
1480
1481     const bool sortFoldersFirst = props.sortFoldersFirst();
1482     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1483         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1484         emit sortFoldersFirstChanged(sortFoldersFirst);
1485     }
1486
1487     const QList<QByteArray> visibleRoles = props.visibleRoles();
1488     if (visibleRoles != m_visibleRoles) {
1489         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1490         m_visibleRoles = visibleRoles;
1491         m_view->setVisibleRoles(visibleRoles);
1492         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1493     }
1494
1495     const bool previewsShown = props.previewsShown();
1496     if (previewsShown != m_view->previewsShown()) {
1497         const int oldZoomLevel = zoomLevel();
1498
1499         m_view->setPreviewsShown(previewsShown);
1500         emit previewsShownChanged(previewsShown);
1501
1502         // Changing the preview-state might result in a changed zoom-level
1503         if (oldZoomLevel != zoomLevel()) {
1504             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1505         }
1506     }
1507
1508     KItemListView* itemListView = m_container->controller()->view();
1509     if (itemListView->isHeaderVisible()) {
1510         KItemListHeader* header = itemListView->header();
1511         const QList<int> headerColumnWidths = props.headerColumnWidths();
1512         const int rolesCount = m_visibleRoles.count();
1513         if (headerColumnWidths.count() == rolesCount) {
1514             header->setAutomaticColumnResizing(false);
1515
1516             QHash<QByteArray, qreal> columnWidths;
1517             for (int i = 0; i < rolesCount; ++i) {
1518                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1519             }
1520             header->setColumnWidths(columnWidths);
1521         } else {
1522             header->setAutomaticColumnResizing(true);
1523         }
1524     }
1525
1526     m_view->endTransaction();
1527 }
1528
1529 void DolphinView::applyModeToView()
1530 {
1531     switch (m_mode) {
1532     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1533     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1534     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1535     default: Q_ASSERT(false); break;
1536     }
1537 }
1538
1539 void DolphinView::pasteToUrl(const KUrl& url)
1540 {
1541     markPastedUrlsAsSelected(QApplication::clipboard()->mimeData());
1542     KonqOperations::doPaste(this, url);
1543 }
1544
1545 KUrl::List DolphinView::simplifiedSelectedUrls() const
1546 {
1547     KUrl::List urls;
1548
1549     const KFileItemList items = selectedItems();
1550     foreach (const KFileItem& item, items) {
1551         urls.append(item.url());
1552     }
1553
1554     if (itemsExpandable()) {
1555         // TODO: Check if we still need KDirModel for this in KDE 5.0
1556         urls = KDirModel::simplifiedUrlList(urls);
1557     }
1558
1559     return urls;
1560 }
1561
1562 QMimeData* DolphinView::selectionMimeData() const
1563 {
1564     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1565     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1566
1567     return m_model->createMimeData(selectedIndexes);
1568 }
1569
1570 void DolphinView::markPastedUrlsAsSelected(const QMimeData* mimeData)
1571 {
1572     const KUrl::List sourceUrls = KUrl::List::fromMimeData(mimeData);
1573     KUrl::List destUrls;
1574     foreach (const KUrl& source, sourceUrls) {
1575         KUrl destination(url().url() + '/' + source.fileName());
1576         destUrls << destination;
1577     }
1578     markUrlsAsSelected(destUrls);
1579     m_clearSelectionBeforeSelectingNewItems = true;
1580 }
1581
1582 void DolphinView::updateWritableState()
1583 {
1584     const bool wasFolderWritable = m_isFolderWritable;
1585     m_isFolderWritable = true;
1586
1587     const KFileItem item = m_model->rootItem();
1588     if (!item.isNull()) {
1589         KFileItemListProperties capabilities(KFileItemList() << item);
1590         m_isFolderWritable = capabilities.supportsWriting();
1591     }
1592     if (m_isFolderWritable != wasFolderWritable) {
1593         emit writeStateChanged(m_isFolderWritable);
1594     }
1595 }
1596
1597 KUrl DolphinView::viewPropertiesUrl() const
1598 {
1599     if (m_viewPropertiesContext.isEmpty()) {
1600         return m_url;
1601     }
1602
1603     KUrl url;
1604     url.setProtocol(m_url.protocol());
1605     url.setPath(m_viewPropertiesContext);
1606     return url;
1607 }
1608
1609 #include "dolphinview.moc"