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_markFirstNewlySelectedItemAsCurrent(false),
 106     m_versionControlObserver(0)
 107 {
 108     m_topLayout = new QVBoxLayout(this);
 109     m_topLayout->setSpacing(0);
 110     m_topLayout->setMargin(0);
 111
 112     // When a new item has been created by the "Create New..." menu, the item should
 113     // get selected and it must be assured that the item will get visible. As the
 114     // creation is done asynchronously, several signals must be checked:
 115     connect(&DolphinNewFileMenuObserver::instance(), SIGNAL(itemCreated(KUrl)),
 116             this, SLOT(observeCreatedItem(KUrl)));
 117
 118     m_selectionChangedTimer = new QTimer(this);
 119     m_selectionChangedTimer->setSingleShot(true);
 120     m_selectionChangedTimer->setInterval(300);
 121     connect(m_selectionChangedTimer, SIGNAL(timeout()),
 122             this, SLOT(emitSelectionChangedSignal()));
 123
 124     m_model = new KFileItemModel(this);
 125     m_view = new DolphinItemListView();
 126     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 127     m_view->setVisibleRoles(QList<QByteArray>() << "text");
 128     applyModeToView();
 129
 130     KItemListController* controller = new KItemListController(m_model, m_view, this);
 131     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 132     controller->setAutoActivationDelay(delay);
 133
 134     // The EnlargeSmallPreviews setting can only be changed after the model
 135     // has been set in the view by KItemListController.
 136     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 137
 138     m_container = new KItemListContainer(controller, this);
 139     m_container->installEventFilter(this);
 140     setFocusProxy(m_container);
 141     connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 142     connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 143
 144     controller->setSelectionBehavior(KItemListController::MultiSelection);
 145     connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
 146     connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
 147     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
 148     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
 149     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
 150     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
 151     connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
 152     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
 153     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
 154     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
 155     connect(controller, SIGNAL(modelChanged(KItemModelBase*,KItemModelBase*)), this, SLOT(slotModelChanged(KItemModelBase*,KItemModelBase*)));
 156
 157     connect(m_model, SIGNAL(directoryLoadingStarted()),       this, SLOT(slotDirectoryLoadingStarted()));
 158     connect(m_model, SIGNAL(directoryLoadingCompleted()),     this, SLOT(slotDirectoryLoadingCompleted()));
 159     connect(m_model, SIGNAL(directoryLoadingCanceled()),      this, SIGNAL(directoryLoadingCanceled()));
 160     connect(m_model, SIGNAL(directoryLoadingProgress(int)),   this, SIGNAL(directoryLoadingProgress(int)));
 161     connect(m_model, SIGNAL(directorySortingProgress(int)),   this, SIGNAL(directorySortingProgress(int)));
 162     connect(m_model, SIGNAL(itemsChanged(KItemRangeList,QSet<QByteArray>)),
 163             this, SLOT(slotItemsChanged()));
 164     connect(m_model, SIGNAL(itemsRemoved(KItemRangeList)),    this, SIGNAL(itemCountChanged()));
 165     connect(m_model, SIGNAL(itemsInserted(KItemRangeList)),   this, SIGNAL(itemCountChanged()));
 166     connect(m_model, SIGNAL(infoMessage(QString)),            this, SIGNAL(infoMessage(QString)));
 167     connect(m_model, SIGNAL(errorMessage(QString)),           this, SIGNAL(errorMessage(QString)));
 168     connect(m_model, SIGNAL(directoryRedirection(KUrl,KUrl)), this, SLOT(slotDirectoryRedirection(KUrl,KUrl)));
 169     connect(m_model, SIGNAL(urlIsFileError(KUrl)),            this, SIGNAL(urlIsFileError(KUrl)));
 170
 171     m_view->installEventFilter(this);
 172     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
 173             this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
 174     connect(m_view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
 175             this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
 176     connect(m_view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
 177             this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
 178     connect(m_view, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 179             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 180     connect(m_view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
 181             this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
 182
 183     KItemListSelectionManager* selectionManager = controller->selectionManager();
 184     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
 185             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
 186
 187     m_toolTipManager = new ToolTipManager(this);
 188
 189     m_versionControlObserver = new VersionControlObserver(this);
 190     m_versionControlObserver->setModel(m_model);
 191     connect(m_versionControlObserver, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
 192     connect(m_versionControlObserver, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
 193     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(QString)), this, SIGNAL(operationCompletedMessage(QString)));
 194
 195     applyViewProperties();
 196     m_topLayout->addWidget(m_container);
 197
 198     loadDirectory(url);
 199 }
 200
 201 DolphinView::~DolphinView()
 202 {
 203 }
 204
 205 KUrl DolphinView::url() const
 206 {
 207     return m_url;
 208 }
 209
 210 void DolphinView::setActive(bool active)
 211 {
 212     if (active == m_active) {
 213         return;
 214     }
 215
 216     m_active = active;
 217
 218     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 219     if (!active) {
 220         color.setAlpha(150);
 221     }
 222
 223     QWidget* viewport = m_container->viewport();
 224     if (viewport) {
 225         QPalette palette;
 226         palette.setColor(viewport->backgroundRole(), color);
 227         viewport->setPalette(palette);
 228     }
 229
 230     update();
 231
 232     if (active) {
 233         m_container->setFocus();
 234         emit activated();
 235         emit writeStateChanged(m_isFolderWritable);
 236     }
 237 }
 238
 239 bool DolphinView::isActive() const
 240 {
 241     return m_active;
 242 }
 243
 244 void DolphinView::setMode(Mode mode)
 245 {
 246     if (mode != m_mode) {
 247         ViewProperties props(viewPropertiesUrl());
 248         props.setViewMode(mode);
 249         props.save();
 250
 251         applyViewProperties();
 252     }
 253 }
 254
 255 DolphinView::Mode DolphinView::mode() const
 256 {
 257     return m_mode;
 258 }
 259
 260 void DolphinView::setPreviewsShown(bool show)
 261 {
 262     if (previewsShown() == show) {
 263         return;
 264     }
 265
 266     ViewProperties props(viewPropertiesUrl());
 267     props.setPreviewsShown(show);
 268
 269     const int oldZoomLevel = m_view->zoomLevel();
 270     m_view->setPreviewsShown(show);
 271     emit previewsShownChanged(show);
 272
 273     const int newZoomLevel = m_view->zoomLevel();
 274     if (newZoomLevel != oldZoomLevel) {
 275         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 276     }
 277 }
 278
 279 bool DolphinView::previewsShown() const
 280 {
 281     return m_view->previewsShown();
 282 }
 283
 284 void DolphinView::setHiddenFilesShown(bool show)
 285 {
 286     if (m_model->showHiddenFiles() == show) {
 287         return;
 288     }
 289
 290     const KFileItemList itemList = selectedItems();
 291     m_selectedUrls.clear();
 292     m_selectedUrls = itemList.urlList();
 293
 294     ViewProperties props(viewPropertiesUrl());
 295     props.setHiddenFilesShown(show);
 296
 297     m_model->setShowHiddenFiles(show);
 298     emit hiddenFilesShownChanged(show);
 299 }
 300
 301 bool DolphinView::hiddenFilesShown() const
 302 {
 303     return m_model->showHiddenFiles();
 304 }
 305
 306 void DolphinView::setGroupedSorting(bool grouped)
 307 {
 308     if (grouped == groupedSorting()) {
 309         return;
 310     }
 311
 312     ViewProperties props(viewPropertiesUrl());
 313     props.setGroupedSorting(grouped);
 314     props.save();
 315
 316     m_container->controller()->model()->setGroupedSorting(grouped);
 317
 318     emit groupedSortingChanged(grouped);
 319 }
 320
 321 bool DolphinView::groupedSorting() const
 322 {
 323     return m_model->groupedSorting();
 324 }
 325
 326 KFileItemList DolphinView::items() const
 327 {
 328     KFileItemList list;
 329     const int itemCount = m_model->count();
 330     list.reserve(itemCount);
 331
 332     for (int i = 0; i < itemCount; ++i) {
 333         list.append(m_model->fileItem(i));
 334     }
 335
 336     return list;
 337 }
 338
 339 int DolphinView::itemsCount() const
 340 {
 341     return m_model->count();
 342 }
 343
 344 KFileItemList DolphinView::selectedItems() const
 345 {
 346     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 347     QList<int> selectedIndexes = selectionManager->selectedItems().toList();
 348
 349     qSort(selectedIndexes);
 350
 351     KFileItemList selectedItems;
 352     QListIterator<int> it(selectedIndexes);
 353     while (it.hasNext()) {
 354         const int index = it.next();
 355         selectedItems.append(m_model->fileItem(index));
 356     }
 357     return selectedItems;
 358 }
 359
 360 int DolphinView::selectedItemsCount() const
 361 {
 362     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 363     return selectionManager->selectedItems().count();
 364 }
 365
 366 void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
 367 {
 368     m_selectedUrls = urls;
 369 }
 370
 371 void DolphinView::markUrlAsCurrent(const KUrl& url)
 372 {
 373     m_currentItemUrl = url;
 374     m_scrollToCurrentItem = true;
 375 }
 376
 377 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 378 {
 379     const KItemListSelectionManager::SelectionMode mode = enabled
 380                                                         ? KItemListSelectionManager::Select
 381                                                         : KItemListSelectionManager::Deselect;
 382     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 383
 384     for (int index = 0; index < m_model->count(); index++) {
 385         const KFileItem item = m_model->fileItem(index);
 386         if (pattern.exactMatch(item.text())) {
 387             // An alternative approach would be to store the matching items in a QSet<int> and
 388             // select them in one go after the loop, but we'd need a new function
 389             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
 390             // for that.
 391             selectionManager->setSelected(index, 1, mode);
 392         }
 393     }
 394 }
 395
 396 void DolphinView::setZoomLevel(int level)
 397 {
 398     const int oldZoomLevel = zoomLevel();
 399     m_view->setZoomLevel(level);
 400     if (zoomLevel() != oldZoomLevel) {
 401         hideToolTip();
 402         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 403     }
 404 }
 405
 406 int DolphinView::zoomLevel() const
 407 {
 408     return m_view->zoomLevel();
 409 }
 410
 411 void DolphinView::setSortRole(const QByteArray& role)
 412 {
 413     if (role != sortRole()) {
 414         updateSortRole(role);
 415     }
 416 }
 417
 418 QByteArray DolphinView::sortRole() const
 419 {
 420     const KItemModelBase* model = m_container->controller()->model();
 421     return model->sortRole();
 422 }
 423
 424 void DolphinView::setSortOrder(Qt::SortOrder order)
 425 {
 426     if (sortOrder() != order) {
 427         updateSortOrder(order);
 428     }
 429 }
 430
 431 Qt::SortOrder DolphinView::sortOrder() const
 432 {
 433     return m_model->sortOrder();
 434 }
 435
 436 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 437 {
 438     if (sortFoldersFirst() != foldersFirst) {
 439         updateSortFoldersFirst(foldersFirst);
 440     }
 441 }
 442
 443 bool DolphinView::sortFoldersFirst() const
 444 {
 445     return m_model->sortDirectoriesFirst();
 446 }
 447
 448 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 449 {
 450     const QList<QByteArray> previousRoles = roles;
 451
 452     ViewProperties props(viewPropertiesUrl());
 453     props.setVisibleRoles(roles);
 454
 455     m_visibleRoles = roles;
 456     m_view->setVisibleRoles(roles);
 457
 458     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 459 }
 460
 461 QList<QByteArray> DolphinView::visibleRoles() const
 462 {
 463     return m_visibleRoles;
 464 }
 465
 466 void DolphinView::reload()
 467 {
 468     QByteArray viewState;
 469     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 470     saveState(saveStream);
 471
 472     const KFileItemList itemList = selectedItems();
 473     m_selectedUrls.clear();
 474     m_selectedUrls = itemList.urlList();
 475
 476     setUrl(url());
 477     loadDirectory(url(), true);
 478
 479     QDataStream restoreStream(viewState);
 480     restoreState(restoreStream);
 481 }
 482
 483 void DolphinView::stopLoading()
 484 {
 485     m_model->cancelDirectoryLoading();
 486 }
 487
 488 void DolphinView::readSettings()
 489 {
 490     const int oldZoomLevel = m_view->zoomLevel();
 491
 492     GeneralSettings::self()->readConfig();
 493     m_view->readSettings();
 494     applyViewProperties();
 495
 496     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 497     m_container->controller()->setAutoActivationDelay(delay);
 498
 499     const int newZoomLevel = m_view->zoomLevel();
 500     if (newZoomLevel != oldZoomLevel) {
 501         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 502     }
 503 }
 504
 505 void DolphinView::writeSettings()
 506 {
 507     GeneralSettings::self()->writeConfig();
 508     m_view->writeSettings();
 509 }
 510
 511 void DolphinView::setNameFilter(const QString& nameFilter)
 512 {
 513     m_model->setNameFilter(nameFilter);
 514 }
 515
 516 QString DolphinView::nameFilter() const
 517 {
 518     return m_model->nameFilter();
 519 }
 520
 521 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 522 {
 523     return m_model->setMimeTypeFilters(filters);
 524 }
 525
 526 QStringList DolphinView::mimeTypeFilters() const
 527 {
 528     return m_model->mimeTypeFilters();
 529 }
 530
 531 QString DolphinView::statusBarText() const
 532 {
 533     QString summary;
 534     QString foldersText;
 535     QString filesText;
 536
 537     int folderCount = 0;
 538     int fileCount = 0;
 539     KIO::filesize_t totalFileSize = 0;
 540
 541     if (m_container->controller()->selectionManager()->hasSelection()) {
 542         // Give a summary of the status of the selected files
 543         const KFileItemList list = selectedItems();
 544         foreach (const KFileItem& item, list) {
 545             if (item.isDir()) {
 546                 ++folderCount;
 547             } else {
 548                 ++fileCount;
 549                 totalFileSize += item.size();
 550             }
 551         }
 552
 553         if (folderCount + fileCount == 1) {
 554             // If only one item is selected, show the filename
 555             filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
 556         } else {
 557             // At least 2 items are selected
 558             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 559             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 560         }
 561     } else {
 562         calculateItemCount(fileCount, folderCount, totalFileSize);
 563         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 564         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 565     }
 566
 567     if (fileCount > 0 && folderCount > 0) {
 568         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 569                         foldersText, filesText,
 570                         KGlobal::locale()->formatByteSize(totalFileSize));
 571     } else if (fileCount > 0) {
 572         summary = i18nc("@info:status files (size)", "%1 (%2)",
 573                         filesText,
 574                         KGlobal::locale()->formatByteSize(totalFileSize));
 575     } else if (folderCount > 0) {
 576         summary = foldersText;
 577     } else {
 578         summary = i18nc("@info:status", "0 Folders, 0 Files");
 579     }
 580
 581     return summary;
 582 }
 583
 584 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 585 {
 586     QList<QAction*> actions;
 587
 588     if (items.isEmpty()) {
 589         const KFileItem item = m_model->rootItem();
 590         if (!item.isNull()) {
 591             actions = m_versionControlObserver->actions(KFileItemList() << item);
 592         }
 593     } else {
 594         actions = m_versionControlObserver->actions(items);
 595     }
 596
 597     return actions;
 598 }
 599
 600 void DolphinView::setUrl(const KUrl& url)
 601 {
 602     if (url == m_url) {
 603         return;
 604     }
 605
 606     clearSelection();
 607
 608     emit urlAboutToBeChanged(url);
 609     m_url = url;
 610
 611     hideToolTip();
 612
 613     // It is important to clear the items from the model before
 614     // applying the view properties, otherwise expensive operations
 615     // might be done on the existing items although they get cleared
 616     // anyhow afterwards by loadDirectory().
 617     m_model->clear();
 618     applyViewProperties();
 619     loadDirectory(url);
 620
 621     emit urlChanged(url);
 622 }
 623
 624 void DolphinView::selectAll()
 625 {
 626     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 627     selectionManager->setSelected(0, m_model->count());
 628 }
 629
 630 void DolphinView::invertSelection()
 631 {
 632     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 633     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 634 }
 635
 636 void DolphinView::clearSelection()
 637 {
 638     m_selectedUrls.clear();
 639     m_container->controller()->selectionManager()->clearSelection();
 640 }
 641
 642 void DolphinView::renameSelectedItems()
 643 {
 644     const KFileItemList items = selectedItems();
 645     if (items.isEmpty()) {
 646         return;
 647     }
 648
 649     if (items.count() == 1 && GeneralSettings::renameInline()) {
 650         const int index = m_model->index(items.first());
 651         m_view->editRole(index, "text");
 652     } else {
 653         RenameDialog* dialog = new RenameDialog(this, items);
 654         dialog->setAttribute(Qt::WA_DeleteOnClose);
 655         dialog->show();
 656         dialog->raise();
 657         dialog->activateWindow();
 658     }
 659
 660     // Assure that the current index remains visible when KFileItemModel
 661     // will notify the view about changed items (which might result in
 662     // a changed sorting).
 663     m_assureVisibleCurrentIndex = true;
 664 }
 665
 666 void DolphinView::trashSelectedItems()
 667 {
 668     const KUrl::List list = simplifiedSelectedUrls();
 669     KonqOperations::del(this, KonqOperations::TRASH, list);
 670 }
 671
 672 void DolphinView::deleteSelectedItems()
 673 {
 674     const KUrl::List list = simplifiedSelectedUrls();
 675     const bool del = KonqOperations::askDeleteConfirmation(list,
 676                      KonqOperations::DEL,
 677                      KonqOperations::DEFAULT_CONFIRMATION,
 678                      this);
 679
 680     if (del) {
 681         KIO::Job* job = KIO::del(list);
 682         if (job->ui()) {
 683             job->ui()->setWindow(this);
 684         }
 685         connect(job, SIGNAL(result(KJob*)),
 686                 this, SLOT(slotDeleteFileFinished(KJob*)));
 687     }
 688 }
 689
 690 void DolphinView::cutSelectedItems()
 691 {
 692     QMimeData* mimeData = selectionMimeData();
 693     KonqMimeData::addIsCutSelection(mimeData, true);
 694     QApplication::clipboard()->setMimeData(mimeData);
 695 }
 696
 697 void DolphinView::copySelectedItems()
 698 {
 699     QMimeData* mimeData = selectionMimeData();
 700     QApplication::clipboard()->setMimeData(mimeData);
 701 }
 702
 703 void DolphinView::paste()
 704 {
 705     pasteToUrl(url());
 706 }
 707
 708 void DolphinView::pasteIntoFolder()
 709 {
 710     const KFileItemList items = selectedItems();
 711     if ((items.count() == 1) && items.first().isDir()) {
 712         pasteToUrl(items.first().url());
 713     }
 714 }
 715
 716 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 717 {
 718     switch (event->type()) {
 719     case QEvent::FocusIn:
 720         if (watched == m_container) {
 721             setActive(true);
 722         }
 723         break;
 724
 725     case QEvent::GraphicsSceneDragEnter:
 726         if (watched == m_view) {
 727             m_dragging = true;
 728         }
 729         break;
 730
 731     case QEvent::GraphicsSceneDragLeave:
 732         if (watched == m_view) {
 733             m_dragging = false;
 734         }
 735         break;
 736
 737     case QEvent::GraphicsSceneDrop:
 738         if (watched == m_view) {
 739             m_dragging = false;
 740         }
 741     default:
 742         break;
 743     }
 744
 745     return QWidget::eventFilter(watched, event);
 746 }
 747
 748 void DolphinView::wheelEvent(QWheelEvent* event)
 749 {
 750     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 751         const int numDegrees = event->delta() / 8;
 752         const int numSteps = numDegrees / 15;
 753
 754         setZoomLevel(zoomLevel() + numSteps);
 755         event->accept();
 756     } else {
 757         event->ignore();
 758     }
 759 }
 760
 761 void DolphinView::hideEvent(QHideEvent* event)
 762 {
 763     hideToolTip();
 764     QWidget::hideEvent(event);
 765 }
 766
 767 bool DolphinView::event(QEvent* event)
 768 {
 769     /* See Bug 297355
 770      * Dolphin leaves file preview tooltips open even when is not visible.
 771      *
 772      * Hide tool-tip when Dolphin loses focus.
 773      */
 774     if (event->type() == QEvent::WindowDeactivate) {
 775         hideToolTip();
 776     }
 777
 778     return QWidget::event(event);
 779 }
 780
 781 void DolphinView::activate()
 782 {
 783     setActive(true);
 784 }
 785
 786 void DolphinView::slotItemActivated(int index)
 787 {
 788     const KFileItem item = m_model->fileItem(index);
 789     if (!item.isNull()) {
 790         emit itemActivated(item);
 791     }
 792 }
 793
 794 void DolphinView::slotItemsActivated(const QSet<int>& indexes)
 795 {
 796     Q_ASSERT(indexes.count() >= 2);
 797
 798     if (indexes.count() > 5) {
 799         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 800         const int answer = KMessageBox::warningYesNo(this, question);
 801         if (answer != KMessageBox::Yes) {
 802             return;
 803         }
 804     }
 805
 806     KFileItemList items;
 807     items.reserve(indexes.count());
 808
 809     QSetIterator<int> it(indexes);
 810     while (it.hasNext()) {
 811         const int index = it.next();
 812         KFileItem item = m_model->fileItem(index);
 813
 814         if (item.isDir()) { // Open folders in new tabs
 815             emit tabRequested(item.url());
 816         } else {
 817             items.append(item);
 818         }
 819     }
 820
 821     if (items.count() == 1) {
 822         emit itemActivated(items.first());
 823     } else if (items.count() > 1) {
 824         emit itemsActivated(items);
 825     }
 826 }
 827
 828 void DolphinView::slotItemMiddleClicked(int index)
 829 {
 830     const KFileItem item = m_model->fileItem(index);
 831     if (item.isDir() || isTabsForFilesEnabled()) {
 832         emit tabRequested(item.url());
 833     }
 834 }
 835
 836 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 837 {
 838     const KFileItem item = m_model->fileItem(index);
 839     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 840 }
 841
 842 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 843 {
 844     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 845 }
 846
 847 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 848 {
 849     ViewProperties props(viewPropertiesUrl());
 850
 851     QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 852
 853     KItemListView* view = m_container->controller()->view();
 854     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 855
 856     bool nepomukRunning = false;
 857     bool indexingEnabled = false;
 858 #ifdef HAVE_NEPOMUK
 859     nepomukRunning = (Nepomuk2::ResourceManager::instance()->initialized());
 860     if (nepomukRunning) {
 861         KConfig config("nepomukserverrc");
 862         indexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
 863     }
 864 #endif
 865
 866     QString groupName;
 867     QMenu* groupMenu = 0;
 868
 869     // Add all roles to the menu that can be shown or hidden by the user
 870     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 871     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 872         if (info.role == "text") {
 873             // It should not be possible to hide the "text" role
 874             continue;
 875         }
 876
 877         const QString text = m_model->roleDescription(info.role);
 878         QAction* action = 0;
 879         if (info.group.isEmpty()) {
 880             action = menu->addAction(text);
 881         } else {
 882             if (!groupMenu || info.group != groupName) {
 883                 groupName = info.group;
 884                 groupMenu = menu->addMenu(groupName);
 885             }
 886
 887             action = groupMenu->addAction(text);
 888         }
 889
 890         action->setCheckable(true);
 891         action->setChecked(visibleRolesSet.contains(info.role));
 892         action->setData(info.role);
 893
 894         const bool enable = (!info.requiresNepomuk && !info.requiresIndexer) ||
 895                             (info.requiresNepomuk && nepomukRunning) ||
 896                             (info.requiresIndexer && indexingEnabled);
 897         action->setEnabled(enable);
 898     }
 899
 900     menu->addSeparator();
 901
 902     QActionGroup* widthsGroup = new QActionGroup(menu);
 903     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 904
 905     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 906     autoAdjustWidthsAction->setCheckable(true);
 907     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 908     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 909
 910     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 911     customWidthsAction->setCheckable(true);
 912     customWidthsAction->setChecked(!autoColumnWidths);
 913     customWidthsAction->setActionGroup(widthsGroup);
 914
 915     QAction* action = menu->exec(pos.toPoint());
 916     if (menu && action) {
 917         KItemListHeader* header = view->header();
 918
 919         if (action == autoAdjustWidthsAction) {
 920             // Clear the column-widths from the viewproperties and turn on
 921             // the automatic resizing of the columns
 922             props.setHeaderColumnWidths(QList<int>());
 923             header->setAutomaticColumnResizing(true);
 924         } else if (action == customWidthsAction) {
 925             // Apply the current column-widths as custom column-widths and turn
 926             // off the automatic resizing of the columns
 927             QList<int> columnWidths;
 928             foreach (const QByteArray& role, view->visibleRoles()) {
 929                 columnWidths.append(header->columnWidth(role));
 930             }
 931             props.setHeaderColumnWidths(columnWidths);
 932             header->setAutomaticColumnResizing(false);
 933         } else {
 934             // Show or hide the selected role
 935             const QByteArray selectedRole = action->data().toByteArray();
 936
 937             QList<QByteArray> visibleRoles = view->visibleRoles();
 938             if (action->isChecked()) {
 939                 visibleRoles.append(selectedRole);
 940             } else {
 941                 visibleRoles.removeOne(selectedRole);
 942             }
 943
 944             view->setVisibleRoles(visibleRoles);
 945             props.setVisibleRoles(visibleRoles);
 946
 947             QList<int> columnWidths;
 948             if (!header->automaticColumnResizing()) {
 949                 foreach (const QByteArray& role, view->visibleRoles()) {
 950                     columnWidths.append(header->columnWidth(role));
 951                 }
 952             }
 953             props.setHeaderColumnWidths(columnWidths);
 954         }
 955     }
 956
 957     delete menu;
 958 }
 959
 960 void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 961 {
 962     Q_UNUSED(previous);
 963
 964     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
 965
 966     ViewProperties props(viewPropertiesUrl());
 967     QList<int> columnWidths = props.headerColumnWidths();
 968     if (columnWidths.count() != visibleRoles.count()) {
 969         columnWidths.clear();
 970         columnWidths.reserve(visibleRoles.count());
 971         const KItemListHeader* header = m_view->header();
 972         foreach (const QByteArray& role, visibleRoles) {
 973             const int width = header->columnWidth(role);
 974             columnWidths.append(width);
 975         }
 976     }
 977
 978     const int roleIndex = visibleRoles.indexOf(role);
 979     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
 980     columnWidths[roleIndex] = current;
 981
 982     props.setHeaderColumnWidths(columnWidths);
 983 }
 984
 985 void DolphinView::slotItemHovered(int index)
 986 {
 987     const KFileItem item = m_model->fileItem(index);
 988
 989     if (GeneralSettings::showToolTips() && !m_dragging) {
 990         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
 991         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
 992         itemRect.moveTo(pos);
 993
 994         m_toolTipManager->showToolTip(item, itemRect);
 995     }
 996
 997     emit requestItemInfo(item);
 998 }
 999
1000 void DolphinView::slotItemUnhovered(int index)
1001 {
1002     Q_UNUSED(index);
1003     hideToolTip();
1004     emit requestItemInfo(KFileItem());
1005 }
1006
1007 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1008 {
1009     KUrl destUrl;
1010     KFileItem destItem = m_model->fileItem(index);
1011     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1012         // Use the URL of the view as drop target if the item is no directory
1013         // or desktop-file
1014         destItem = m_model->rootItem();
1015         destUrl = url();
1016     } else {
1017         // The item represents a directory or desktop-file
1018         destUrl = destItem.url();
1019     }
1020
1021     QDropEvent dropEvent(event->pos().toPoint(),
1022                          event->possibleActions(),
1023                          event->mimeData(),
1024                          event->buttons(),
1025                          event->modifiers());
1026
1027     QString error;
1028     KonqOperations* op = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent, error);
1029     if (!error.isEmpty()) {
1030         emit infoMessage(error);
1031     }
1032
1033     if (op && destUrl == url()) {
1034         // Mark the dropped urls as selected.
1035         m_clearSelectionBeforeSelectingNewItems = true;
1036         connect(op, SIGNAL(urlPasted(KUrl)), this, SLOT(slotUrlPasted(KUrl)));
1037     }
1038 }
1039
1040 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1041 {
1042     if (previous != 0) {
1043         disconnect(previous, SIGNAL(directoryLoadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1044         m_versionControlObserver->setModel(0);
1045     }
1046
1047     if (current) {
1048         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1049         connect(current, SIGNAL(loadingCompleted()), this, SLOT(slotDirectoryLoadingCompleted()));
1050
1051         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1052         m_versionControlObserver->setModel(fileItemModel);
1053     }
1054 }
1055
1056 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1057 {
1058     hideToolTip();
1059
1060     if (itemIndex < 0) {
1061         // Trigger the history navigation only when clicking on the viewport:
1062         // Above an item the XButtons provide a simple way to select items in
1063         // the singleClick mode.
1064         if (buttons & Qt::XButton1) {
1065             emit goBackRequested();
1066         } else if (buttons & Qt::XButton2) {
1067             emit goForwardRequested();
1068         }
1069     }
1070 }
1071
1072 void DolphinView::slotAboutToCreate(const KUrl::List& urls)
1073 {
1074     if (!urls.isEmpty()) {
1075         if (m_markFirstNewlySelectedItemAsCurrent) {
1076             markUrlAsCurrent(urls.first());
1077             m_markFirstNewlySelectedItemAsCurrent = false;
1078         }
1079         m_selectedUrls << urls;
1080     }
1081 }
1082
1083 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
1084 {
1085     const int currentCount = current.count();
1086     const int previousCount = previous.count();
1087     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1088                                        (currentCount >  0 && previousCount == 0);
1089
1090     // If nothing has been selected before and something got selected (or if something
1091     // was selected before and now nothing is selected) the selectionChangedSignal must
1092     // be emitted asynchronously as fast as possible to update the edit-actions.
1093     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1094     m_selectionChangedTimer->start();
1095 }
1096
1097 void DolphinView::emitSelectionChangedSignal()
1098 {
1099     m_selectionChangedTimer->stop();
1100     emit selectionChanged(selectedItems());
1101 }
1102
1103 void DolphinView::updateSortRole(const QByteArray& role)
1104 {
1105     ViewProperties props(viewPropertiesUrl());
1106     props.setSortRole(role);
1107
1108     KItemModelBase* model = m_container->controller()->model();
1109     model->setSortRole(role);
1110
1111     emit sortRoleChanged(role);
1112 }
1113
1114 void DolphinView::updateSortOrder(Qt::SortOrder order)
1115 {
1116     ViewProperties props(viewPropertiesUrl());
1117     props.setSortOrder(order);
1118
1119     m_model->setSortOrder(order);
1120
1121     emit sortOrderChanged(order);
1122 }
1123
1124 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1125 {
1126     ViewProperties props(viewPropertiesUrl());
1127     props.setSortFoldersFirst(foldersFirst);
1128
1129     m_model->setSortDirectoriesFirst(foldersFirst);
1130
1131     emit sortFoldersFirstChanged(foldersFirst);
1132 }
1133
1134 QPair<bool, QString> DolphinView::pasteInfo() const
1135 {
1136     return KonqOperations::pasteInfo(url());
1137 }
1138
1139 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1140 {
1141     m_tabsForFiles = tabsForFiles;
1142 }
1143
1144 bool DolphinView::isTabsForFilesEnabled() const
1145 {
1146     return m_tabsForFiles;
1147 }
1148
1149 bool DolphinView::itemsExpandable() const
1150 {
1151     return m_mode == DetailsView;
1152 }
1153
1154 void DolphinView::restoreState(QDataStream& stream)
1155 {
1156     // Restore the current item that had the keyboard focus
1157     stream >> m_currentItemUrl;
1158
1159     // Restore the view position
1160     stream >> m_restoredContentsPosition;
1161
1162     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1163     QSet<KUrl> urls;
1164     stream >> urls;
1165     m_model->restoreExpandedDirectories(urls);
1166 }
1167
1168 void DolphinView::saveState(QDataStream& stream)
1169 {
1170     // Save the current item that has the keyboard focus
1171     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1172     if (currentIndex != -1) {
1173         KFileItem item = m_model->fileItem(currentIndex);
1174         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1175         KUrl currentItemUrl = item.url();
1176         stream << currentItemUrl;
1177     } else {
1178         stream << KUrl();
1179     }
1180
1181     // Save view position
1182     const qreal x = m_container->horizontalScrollBar()->value();
1183     const qreal y = m_container->verticalScrollBar()->value();
1184     stream << QPoint(x, y);
1185
1186     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1187     stream << m_model->expandedDirectories();
1188 }
1189
1190 KFileItem DolphinView::rootItem() const
1191 {
1192     return m_model->rootItem();
1193 }
1194
1195 void DolphinView::setViewPropertiesContext(const QString& context)
1196 {
1197     m_viewPropertiesContext = context;
1198 }
1199
1200 QString DolphinView::viewPropertiesContext() const
1201 {
1202     return m_viewPropertiesContext;
1203 }
1204
1205 void DolphinView::observeCreatedItem(const KUrl& url)
1206 {
1207     if (m_active) {
1208         clearSelection();
1209         markUrlAsCurrent(url);
1210         markUrlsAsSelected(QList<KUrl>() << url);
1211     }
1212 }
1213
1214 void DolphinView::slotDirectoryRedirection(const KUrl& oldUrl, const KUrl& newUrl)
1215 {
1216     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
1217         emit redirection(oldUrl, newUrl);
1218         m_url = newUrl; // #186947
1219     }
1220 }
1221
1222 void DolphinView::updateViewState()
1223 {
1224     if (m_currentItemUrl != KUrl()) {
1225         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1226         const int currentIndex = m_model->index(m_currentItemUrl);
1227         if (currentIndex != -1) {
1228             selectionManager->setCurrentItem(currentIndex);
1229
1230             // scroll to current item and reset the state
1231             if (m_scrollToCurrentItem) {
1232                 m_view->scrollToItem(currentIndex);
1233                 m_scrollToCurrentItem = false;
1234             }
1235
1236             m_currentItemUrl = KUrl();
1237         } else {
1238             selectionManager->setCurrentItem(0);
1239         }
1240     }
1241
1242     if (!m_restoredContentsPosition.isNull()) {
1243         const int x = m_restoredContentsPosition.x();
1244         const int y = m_restoredContentsPosition.y();
1245         m_restoredContentsPosition = QPoint();
1246
1247         m_container->horizontalScrollBar()->setValue(x);
1248         m_container->verticalScrollBar()->setValue(y);
1249     }
1250
1251     if (!m_selectedUrls.isEmpty()) {
1252         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1253
1254         if (m_clearSelectionBeforeSelectingNewItems) {
1255             selectionManager->clearSelection();
1256             m_clearSelectionBeforeSelectingNewItems = false;
1257         }
1258
1259         QSet<int> selectedItems = selectionManager->selectedItems();
1260
1261         QList<KUrl>::iterator it = m_selectedUrls.begin();
1262         while (it != m_selectedUrls.end()) {
1263             const int index = m_model->index(*it);
1264             if (index >= 0) {
1265                 selectedItems.insert(index);
1266                 it = m_selectedUrls.erase(it);
1267             } else {
1268                  ++it;
1269             }
1270         }
1271
1272         selectionManager->setSelectedItems(selectedItems);
1273     }
1274 }
1275
1276 void DolphinView::hideToolTip()
1277 {
1278     if (GeneralSettings::showToolTips()) {
1279         m_toolTipManager->hideToolTip();
1280     }
1281 }
1282
1283 void DolphinView::calculateItemCount(int& fileCount,
1284                                      int& folderCount,
1285                                      KIO::filesize_t& totalFileSize) const
1286 {
1287     const int itemCount = m_model->count();
1288     for (int i = 0; i < itemCount; ++i) {
1289         const KFileItem item = m_model->fileItem(i);
1290         if (item.isDir()) {
1291             ++folderCount;
1292         } else {
1293             ++fileCount;
1294             totalFileSize += item.size();
1295         }
1296     }
1297 }
1298
1299 void DolphinView::showHoverInformation(const KFileItem& item)
1300 {
1301     emit requestItemInfo(item);
1302 }
1303
1304 void DolphinView::clearHoverInformation()
1305 {
1306     emit requestItemInfo(KFileItem());
1307 }
1308
1309 void DolphinView::slotDeleteFileFinished(KJob* job)
1310 {
1311     if (job->error() == 0) {
1312         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1313     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1314         emit errorMessage(job->errorString());
1315     }
1316 }
1317
1318 void DolphinView::slotDirectoryLoadingStarted()
1319 {
1320     // Disable the writestate temporary until it can be determined in a fast way
1321     // in DolphinView::slotLoadingCompleted()
1322     if (m_isFolderWritable) {
1323         m_isFolderWritable = false;
1324         emit writeStateChanged(m_isFolderWritable);
1325     }
1326
1327     emit directoryLoadingStarted();
1328 }
1329
1330 void DolphinView::slotDirectoryLoadingCompleted()
1331 {
1332     // Update the view-state. This has to be done asynchronously
1333     // because the view might not be in its final state yet.
1334     QTimer::singleShot(0, this, SLOT(updateViewState()));
1335
1336     emit directoryLoadingCompleted();
1337
1338     updateWritableState();
1339 }
1340
1341 void DolphinView::slotItemsChanged()
1342 {
1343     m_assureVisibleCurrentIndex = false;
1344 }
1345
1346 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1347 {
1348     Q_UNUSED(previous);
1349     Q_ASSERT(m_model->sortOrder() == current);
1350
1351     ViewProperties props(viewPropertiesUrl());
1352     props.setSortOrder(current);
1353
1354     emit sortOrderChanged(current);
1355 }
1356
1357 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1358 {
1359     Q_UNUSED(previous);
1360     Q_ASSERT(m_model->sortRole() == current);
1361
1362     ViewProperties props(viewPropertiesUrl());
1363     props.setSortRole(current);
1364
1365     emit sortRoleChanged(current);
1366 }
1367
1368 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1369                                                   const QList<QByteArray>& previous)
1370 {
1371     Q_UNUSED(previous);
1372     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1373
1374     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1375
1376     m_visibleRoles = current;
1377
1378     ViewProperties props(viewPropertiesUrl());
1379     props.setVisibleRoles(m_visibleRoles);
1380
1381     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1382 }
1383
1384 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
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     KonqOperations* op = KonqOperations::doPasteV2(this, url);
1542     if (op) {
1543         m_clearSelectionBeforeSelectingNewItems = true;
1544         m_markFirstNewlySelectedItemAsCurrent = true;
1545         connect(op, SIGNAL(aboutToCreate(KUrl::List)), this, SLOT(slotAboutToCreate(KUrl::List)));
1546     }
1547 }
1548
1549 KUrl::List DolphinView::simplifiedSelectedUrls() const
1550 {
1551     KUrl::List urls;
1552
1553     const KFileItemList items = selectedItems();
1554     foreach (const KFileItem& item, items) {
1555         urls.append(item.url());
1556     }
1557
1558     if (itemsExpandable()) {
1559         // TODO: Check if we still need KDirModel for this in KDE 5.0
1560         urls = KDirModel::simplifiedUrlList(urls);
1561     }
1562
1563     return urls;
1564 }
1565
1566 QMimeData* DolphinView::selectionMimeData() const
1567 {
1568     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1569     const QSet<int> selectedIndexes = selectionManager->selectedItems();
1570
1571     return m_model->createMimeData(selectedIndexes);
1572 }
1573
1574 void DolphinView::updateWritableState()
1575 {
1576     const bool wasFolderWritable = m_isFolderWritable;
1577     m_isFolderWritable = true;
1578
1579     const KFileItem item = m_model->rootItem();
1580     if (!item.isNull()) {
1581         KFileItemListProperties capabilities(KFileItemList() << item);
1582         m_isFolderWritable = capabilities.supportsWriting();
1583     }
1584     if (m_isFolderWritable != wasFolderWritable) {
1585         emit writeStateChanged(m_isFolderWritable);
1586     }
1587 }
1588
1589 KUrl DolphinView::viewPropertiesUrl() const
1590 {
1591     if (m_viewPropertiesContext.isEmpty()) {
1592         return m_url;
1593     }
1594
1595     KUrl url;
1596     url.setProtocol(m_url.protocol());
1597     url.setPath(m_viewPropertiesContext);
1598     return url;
1599 }
1600
1601 #include "dolphinview.moc"